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authorMark Purcell <msp@debian.org>2008-06-22 11:00:40 +1000
committeretobi <git@e-tobi.net>2013-09-03 09:48:42 +0200
commit891c51ff368ed700dec6025eeb47ce4d96f76418 (patch)
tree3729664829e4faa691d403274f38eb10890b533c /lib/libucsi/atsc
parent1c6e1f28f54ec2606c23936c1d8689f2be55a86c (diff)
parentab959d7b4194715870128e616b8e29d4a101e488 (diff)
downloadlinux-dvb-apps-a966623153d5c69ef1565422644280751ce04112.tar.gz
Imported Debian patch 1.1.1+rev1207-1debian/1.1.1+rev1207-1
Diffstat (limited to '')
-rw-r--r--lib/libucsi/atsc/Makefile55
-rw-r--r--lib/libucsi/atsc/ac3_descriptor.h112
-rw-r--r--lib/libucsi/atsc/atsc_text.c743
-rw-r--r--lib/libucsi/atsc/caption_service_descriptor.h137
-rw-r--r--lib/libucsi/atsc/component_name_descriptor.h92
-rw-r--r--lib/libucsi/atsc/content_advisory_descriptor.h235
-rw-r--r--lib/libucsi/atsc/cvct_section.c77
-rw-r--r--lib/libucsi/atsc/cvct_section.h228
-rw-r--r--lib/libucsi/atsc/dcc_arriving_request_descriptor.h107
-rw-r--r--lib/libucsi/atsc/dcc_departing_request_descriptor.h108
-rw-r--r--lib/libucsi/atsc/dccsct_section.c109
-rw-r--r--lib/libucsi/atsc/dccsct_section.h327
-rw-r--r--lib/libucsi/atsc/dcct_section.c96
-rw-r--r--lib/libucsi/atsc/dcct_section.h380
-rw-r--r--lib/libucsi/atsc/descriptor.h68
-rw-r--r--lib/libucsi/atsc/eit_section.c71
-rw-r--r--lib/libucsi/atsc/eit_section.h191
-rw-r--r--lib/libucsi/atsc/ett_section.c42
-rw-r--r--lib/libucsi/atsc/ett_section.h91
-rw-r--r--lib/libucsi/atsc/extended_channel_name_descriptor.h92
-rw-r--r--lib/libucsi/atsc/genre_descriptor.h82
-rw-r--r--lib/libucsi/atsc/mgt_section.c76
-rw-r--r--lib/libucsi/atsc/mgt_section.h215
-rw-r--r--lib/libucsi/atsc/rc_descriptor.h83
-rw-r--r--lib/libucsi/atsc/rrt_section.c108
-rw-r--r--lib/libucsi/atsc/rrt_section.h379
-rw-r--r--lib/libucsi/atsc/section.h84
-rw-r--r--lib/libucsi/atsc/service_location_descriptor.h141
-rw-r--r--lib/libucsi/atsc/stt_section.c42
-rw-r--r--lib/libucsi/atsc/stt_section.h105
-rw-r--r--lib/libucsi/atsc/stuffing_descriptor.h82
-rw-r--r--lib/libucsi/atsc/time_shifted_service_descriptor.h136
-rw-r--r--lib/libucsi/atsc/tvct_section.c81
-rw-r--r--lib/libucsi/atsc/tvct_section.h227
-rw-r--r--lib/libucsi/atsc/types.c71
-rw-r--r--lib/libucsi/atsc/types.h227
36 files changed, 5500 insertions, 0 deletions
diff --git a/lib/libucsi/atsc/Makefile b/lib/libucsi/atsc/Makefile
new file mode 100644
index 0000000..c3d8e6b
--- /dev/null
+++ b/lib/libucsi/atsc/Makefile
@@ -0,0 +1,55 @@
+# Makefile for linuxtv.org dvb-apps/lib/libucsi/atsc
+
+.PHONY: sub-error-atsc
+
+sub-error-atsc:
+ $(error You can't use this makefile directly.)
+
+ifneq ($(lib_name),)
+
+objects += atsc/atsc_text.o \
+ atsc/cvct_section.o \
+ atsc/dccsct_section.o \
+ atsc/dcct_section.o \
+ atsc/eit_section.o \
+ atsc/ett_section.o \
+ atsc/mgt_section.o \
+ atsc/rrt_section.o \
+ atsc/stt_section.o \
+ atsc/tvct_section.o \
+ atsc/types.o
+
+sub-install += atsc
+
+else
+
+includes = ac3_descriptor.h \
+ caption_service_descriptor.h \
+ component_name_descriptor.h \
+ content_advisory_descriptor.h \
+ cvct_section.h \
+ dcc_arriving_request_descriptor.h \
+ dcc_departing_request_descriptor.h \
+ dccsct_section.h \
+ dcct_section.h \
+ descriptor.h \
+ eit_section.h \
+ ett_section.h \
+ extended_channel_name_descriptor.h \
+ genre_descriptor.h \
+ mgt_section.h \
+ rc_descriptor.h \
+ rrt_section.h \
+ section.h \
+ service_location_descriptor.h \
+ stt_section.h \
+ stuffing_descriptor.h \
+ time_shifted_service_descriptor.h \
+ tvct_section.h \
+ types.h
+
+include ../../../Make.rules
+
+lib_name = libucsi/atsc
+
+endif
diff --git a/lib/libucsi/atsc/ac3_descriptor.h b/lib/libucsi/atsc/ac3_descriptor.h
new file mode 100644
index 0000000..489695b
--- /dev/null
+++ b/lib/libucsi/atsc/ac3_descriptor.h
@@ -0,0 +1,112 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_atsc@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _UCSI_ATSC_AC3_DESCRIPTOR
+#define _UCSI_ATSC_AC3_DESCRIPTOR 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/descriptor.h>
+#include <libucsi/endianops.h>
+
+enum atsc_ac3_channels {
+ ATSC_AC3_CHANNELS_1_PLUS_1 = 0x0,
+ ATSC_AC3_CHANNELS_1_0 = 0x1,
+ ATSC_AC3_CHANNELS_2_0 = 0x2,
+ ATSC_AC3_CHANNELS_3_0 = 0x3,
+ ATSC_AC3_CHANNELS_2_1 = 0x4,
+ ATSC_AC3_CHANNELS_3_1 = 0x5,
+ ATSC_AC3_CHANNELS_2_2 = 0x6,
+ ATSC_AC3_CHANNELS_3_2 = 0x7,
+ ATSC_AC3_CHANNELS_1 = 0x8,
+ ATSC_AC3_CHANNELS_LTEQ_2 = 0x9,
+ ATSC_AC3_CHANNELS_LTEQ_3 = 0xa,
+ ATSC_AC3_CHANNELS_LTEQ_4 = 0xb,
+ ATSC_AC3_CHANNELS_LTEQ_5 = 0xc,
+ ATSC_AC3_CHANNELS_LTEQ_6 = 0xd,
+};
+
+/**
+ * atsc_ac3_descriptor structure.
+ */
+struct atsc_ac3_descriptor {
+ struct descriptor d;
+
+ EBIT2(uint8_t sample_rate_code : 3; ,
+ uint8_t bsid : 5; );
+ EBIT2(uint8_t bit_rate_code : 6; ,
+ uint8_t surround_mode : 2; );
+ EBIT3(uint8_t bsmod : 3; ,
+ uint8_t num_channels : 4; ,
+ uint8_t full_svc : 1; );
+ /* uint8_t additional_info[] */
+} __ucsi_packed;
+
+/**
+ * Process an atsc_ac3_descriptor.
+ *
+ * @param d Generic descriptor structure.
+ * @return atsc_ac3_descriptor pointer, or NULL on error.
+ */
+static inline struct atsc_ac3_descriptor*
+ atsc_ac3_descriptor_codec(struct descriptor* d)
+{
+ int pos = 0;
+
+ if (d->len < (pos+4))
+ return NULL;
+ pos += 4;
+
+ return (struct atsc_ac3_descriptor*) d;
+}
+
+/**
+ * Retrieve pointer to additional_info field of a atsc_ac3_descriptor.
+ *
+ * @param d atsc_ac3_descriptor pointer.
+ * @return Pointer to additional_info field.
+ */
+static inline uint8_t *atsc_ac3_descriptor_additional_info(struct atsc_ac3_descriptor *d)
+{
+ int pos = sizeof(struct atsc_ac3_descriptor);
+
+ return ((uint8_t *) d) + pos;
+}
+
+/**
+ * Determine length of additional_info field of a atsc_ac3_descriptor.
+ *
+ * @param d atsc_ac3_descriptor pointer.
+ * @return Length of field in bytes.
+ */
+static inline int atsc_ac3_descriptor_additional_info_length(struct atsc_ac3_descriptor* d)
+{
+ return d->d.len - 3;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/lib/libucsi/atsc/atsc_text.c b/lib/libucsi/atsc/atsc_text.c
new file mode 100644
index 0000000..d79c83f
--- /dev/null
+++ b/lib/libucsi/atsc/atsc_text.c
@@ -0,0 +1,743 @@
+/*
+* section and descriptor parser
+*
+* Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation; either
+* version 2.1 of the License, or (at your option) any later version.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this library; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+*/
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include "libucsi/endianops.h"
+#include "libucsi/atsc/types.h"
+
+#define HUFFTREE_LITERAL_MASK 0x80
+#define HUFFSTRING_END 0x00
+#define HUFFSTRING_ESCAPE 0x1b
+
+#define DEST_ALLOC_DELTA 20
+
+struct hufftree_entry {
+ uint8_t left_idx;
+ uint8_t right_idx;
+} __ucsi_packed;
+
+struct huffbuff {
+ uint8_t *buf;
+ uint32_t buf_len;
+
+ uint32_t cur_byte;
+ uint8_t cur_bit;
+};
+
+
+static struct hufftree_entry program_description_hufftree[][128] = {
+ { {0x14, 0x15}, {0x9b, 0xd6}, {0xc9, 0xcf}, {0xd7, 0xc7}, {0x01, 0xa2},
+ {0xce, 0xcb}, {0x02, 0x03}, {0xc5, 0xcc}, {0xc6, 0xc8}, {0x04, 0xc4},
+ {0x05, 0xc2}, {0x06, 0xc3}, {0xd2, 0x07}, {0xd3, 0x08}, {0xca, 0xd4},
+ {0x09, 0xcd}, {0xd0, 0x0a}, {0xc1, 0x0b}, {0x0c, 0x0d}, {0x0e, 0x0f},
+ {0x10, 0x11}, {0x12, 0x13}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x38, 0x39}, {0xad, 0xaf}, {0xb7, 0xda}, {0xa8, 0xb3}, {0xb5, 0x01},
+ {0x02, 0x9b}, {0xb4, 0xf1}, {0xa2, 0xd5}, {0xd6, 0xd9}, {0x03, 0x04},
+ {0x05, 0xcf}, {0x06, 0xc9}, {0xf9, 0xea}, {0xeb, 0xf5}, {0xf6, 0x07},
+ {0x08, 0x09}, {0xb2, 0xc5}, {0xc6, 0xb1}, {0x0a, 0xee}, {0xcb, 0x0b},
+ {0xd4, 0x0c}, {0xc4, 0xc8}, {0xd2, 0x0d}, {0x0e, 0x0f}, {0xc7, 0xca},
+ {0xce, 0xd0}, {0xd7, 0x10}, {0xc2, 0x11}, {0xcc, 0xec}, {0xe5, 0xe7},
+ {0x12, 0xcd}, {0x13, 0x14}, {0xc3, 0x15}, {0x16, 0x17}, {0xed, 0x18},
+ {0x19, 0xf2}, {0x1a, 0xd3}, {0x1b, 0x1c}, {0xe4, 0x1d}, {0xc1, 0xe3},
+ {0x1e, 0xe9}, {0xf0, 0xe2}, {0xf7, 0x1f}, {0xf3, 0xe6}, {0x20, 0x21},
+ {0x22, 0xe8}, {0xef, 0x23}, {0x24, 0x25}, {0x26, 0x27}, {0x28, 0x29},
+ {0x2a, 0xf4}, {0x2b, 0x2c}, {0x2d, 0x2e}, {0x2f, 0xe1}, {0x30, 0x31},
+ {0x32, 0x33}, {0x34, 0x35}, {0x36, 0x37}, },
+ { {0x9b, 0x9b}, },
+ { {0x03, 0x04}, {0x80, 0xae}, {0xc8, 0xd4}, {0x01, 0x02}, {0x9b, 0xa0}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x02, 0xf3}, {0xa0, 0xf4}, {0x9b, 0x01}, },
+ { {0x9b, 0x9b}, },
+ { {0xac, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x01, 0xa0}, {0x9b, 0xa2}, },
+ { {0x07, 0x08}, {0xe2, 0xe4}, {0xe5, 0xe6}, {0xa0, 0xf2}, {0xe1, 0x01},
+ {0x02, 0xf3}, {0xe3, 0x03}, {0x04, 0x05}, {0x9b, 0x06}, },
+ { {0x04, 0x80}, {0xca, 0xd3}, {0xa2, 0x01}, {0x9b, 0x02}, {0x03, 0xa0}, },
+ { {0x9b, 0xa0}, },
+ { {0x03, 0x04}, {0x9b, 0xb7}, {0xf4, 0xa0}, {0xb0, 0xf3}, {0x01, 0x02}, },
+ { {0xb9, 0x02}, {0xb8, 0x9b}, {0xa0, 0x01}, },
+ { {0xae, 0x02}, {0xb6, 0x9b}, {0x01, 0xa0}, },
+ { {0xa0, 0x01}, {0x9b, 0xb0}, },
+ { {0xae, 0x01}, {0x9b, 0xa0}, },
+ { {0xae, 0x01}, {0xa0, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x01}, {0xac, 0xae}, },
+ { {0x9b, 0x9b}, },
+ { {0x02, 0x03}, {0x9b, 0xa0}, {0xb5, 0xb6}, {0xb8, 0x01}, },
+ { {0x9b, 0xa0}, },
+ { {0x9b, 0xa0}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0xa0}, },
+ { {0x9b, 0x9b}, },
+ { {0x08, 0x09}, {0xe6, 0xf5}, {0xf3, 0xf4}, {0x9b, 0xe4}, {0x01, 0xed},
+ {0x02, 0x03}, {0x04, 0xf2}, {0x05, 0x06}, {0xec, 0xee}, {0x07, 0xa0}, },
+ { {0x05, 0x06}, {0x9b, 0xec}, {0xf5, 0x01}, {0x02, 0xe1}, {0xef, 0xe5},
+ {0xe9, 0xf2}, {0x03, 0x04}, },
+ { {0x06, 0x07}, {0x9b, 0xe9}, {0xf9, 0xf2}, {0xf5, 0x01}, {0x02, 0x03},
+ {0xec, 0xef}, {0xe1, 0x04}, {0xe8, 0x05}, },
+ { {0x05, 0x06}, {0xf9, 0xf2}, {0xf5, 0x9b}, {0xe5, 0xef}, {0x01, 0x02},
+ {0xe9, 0xe1}, {0x03, 0x04}, },
+ { {0x06, 0x07}, {0xe1, 0xe9}, {0xee, 0xf6}, {0xe4, 0xec}, {0xf3, 0x01},
+ {0x02, 0xf2}, {0x03, 0x04}, {0x9b, 0x05}, },
+ { {0x02, 0x03}, {0xe5, 0xec}, {0x9b, 0xef}, {0x01, 0xf2}, },
+ { {0x05, 0x06}, {0xf5, 0xef}, {0x9b, 0xec}, {0xe9, 0x01}, {0xe1, 0xf2},
+ {0x02, 0xe5}, {0x03, 0x04}, },
+ { {0x03, 0x04}, {0x9b, 0xe5}, {0xe9, 0xf5}, {0xe1, 0x01}, {0xef, 0x02}, },
+ { {0x04, 0x05}, {0xa0, 0xc9}, {0xf3, 0x9b}, {0xae, 0xf2}, {0x01, 0x02},
+ {0x03, 0xee}, },
+ { {0xef, 0x05}, {0x9b, 0xae}, {0xe9, 0xe5}, {0x01, 0xf5}, {0x02, 0xe1},
+ {0x03, 0x04}, },
+ { {0xe5, 0x03}, {0xe1, 0xe9}, {0xf2, 0x9b}, {0x01, 0x02}, },
+ { {0x03, 0x04}, {0x9b, 0xe9}, {0xf5, 0x01}, {0xe5, 0x02}, {0xef, 0xe1}, },
+ { {0xe1, 0x05}, {0x9b, 0xe3}, {0xef, 0x01}, {0xf5, 0xe5}, {0x02, 0x03},
+ {0xe9, 0x04}, },
+ { {0xe5, 0x03}, {0x9b, 0xe9}, {0x01, 0xe1}, {0xef, 0x02}, },
+ { {0x03, 0x04}, {0xa7, 0xee}, {0xec, 0xf2}, {0xf3, 0x01}, {0x9b, 0x02}, },
+ { {0xe1, 0x06}, {0x9b, 0xe8}, {0xe9, 0x01}, {0xf2, 0xec}, {0x02, 0xef},
+ {0x03, 0xe5}, {0x04, 0x05}, },
+ { {0x9b, 0x9b}, },
+ { {0x03, 0x04}, {0x9b, 0xae}, {0x01, 0xe9}, {0x02, 0xe1}, {0xe5, 0xef}, },
+ { {0x09, 0x0a}, {0xf6, 0xf9}, {0x01, 0xae}, {0xe3, 0xe9}, {0xf5, 0x9b},
+ {0xe5, 0xef}, {0x02, 0x03}, {0xe1, 0x04}, {0xe8, 0x05}, {0x06, 0xf4},
+ {0x07, 0x08}, },
+ { {0xe8, 0x07}, {0xe5, 0xf7}, {0xd6, 0xe1}, {0x9b, 0xe9}, {0xf2, 0x01},
+ {0x02, 0x03}, {0x04, 0xef}, {0x05, 0x06}, },
+ { {0xae, 0x01}, {0x9b, 0xee}, },
+ { {0xe9, 0x02}, {0xe5, 0x9b}, {0xa0, 0x01}, },
+ { {0x03, 0x04}, {0x9b, 0xe8}, {0xe5, 0xe1}, {0xef, 0x01}, {0xe9, 0x02}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0xef}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x18, 0x19}, {0xe8, 0xef}, {0xf8, 0x9b}, {0xa7, 0xf7}, {0xfa, 0x01},
+ {0x02, 0x03}, {0x04, 0xe5}, {0xae, 0x05}, {0xe6, 0xe2}, {0x06, 0xf6},
+ {0xeb, 0xf5}, {0xe9, 0x07}, {0xf0, 0xf9}, {0xe7, 0x08}, {0x09, 0xe4},
+ {0x0a, 0xe3}, {0x0b, 0xed}, {0x0c, 0xf3}, {0x0d, 0x0e}, {0x0f, 0xec},
+ {0x10, 0xf4}, {0x11, 0x12}, {0xf2, 0xa0}, {0x13, 0x14}, {0x15, 0xee},
+ {0x16, 0x17}, },
+ { {0x0b, 0x0c}, {0xe4, 0xf3}, {0x9b, 0xae}, {0xe2, 0x01}, {0x02, 0x03},
+ {0xec, 0xa0}, {0x04, 0xe9}, {0xf2, 0xf5}, {0x05, 0xf9}, {0xe1, 0x06},
+ {0xef, 0x07}, {0xe5, 0x08}, {0x09, 0x0a}, },
+ { {0x0f, 0x10}, {0xf1, 0xae}, {0xc4, 0xf9}, {0xac, 0x01}, {0xe3, 0x02},
+ {0x9b, 0xf2}, {0x03, 0x04}, {0xa0, 0xec}, {0xf5, 0x05}, {0x06, 0xe9},
+ {0x07, 0xeb}, {0x08, 0xf4}, {0x09, 0xe5}, {0x0a, 0xef}, {0xe1, 0xe8},
+ {0x0b, 0x0c}, {0x0d, 0x0e}, },
+ { {0x13, 0x14}, {0xa7, 0xbb}, {0xe6, 0xed}, {0xf7, 0xe7}, {0xf6, 0x01},
+ {0x02, 0x9b}, {0xee, 0x03}, {0x04, 0xec}, {0x05, 0xf5}, {0x06, 0xac},
+ {0xe4, 0xf9}, {0xf2, 0x07}, {0x08, 0x09}, {0xae, 0x0a}, {0xef, 0x0b},
+ {0xe1, 0xf3}, {0x0c, 0xe9}, {0x0d, 0x0e}, {0x0f, 0x10}, {0xe5, 0x11},
+ {0x12, 0xa0}, },
+ { {0x1d, 0x1e}, {0xa9, 0xe8}, {0xf5, 0x9b}, {0x01, 0xad}, {0xbb, 0xeb},
+ {0xfa, 0x02}, {0xa7, 0xe6}, {0xe2, 0xe7}, {0x03, 0x04}, {0x05, 0x06},
+ {0xe9, 0xf8}, {0x07, 0xac}, {0xef, 0xf0}, {0x08, 0xed}, {0xf6, 0xf9},
+ {0x09, 0xf7}, {0x0a, 0x0b}, {0xae, 0x0c}, {0xe3, 0x0d}, {0xe5, 0xf4},
+ {0x0e, 0x0f}, {0xe4, 0x10}, {0xec, 0x11}, {0xe1, 0x12}, {0x13, 0x14},
+ {0x15, 0x16}, {0xee, 0xf3}, {0x17, 0x18}, {0xf2, 0xa0}, {0x19, 0x1a},
+ {0x1b, 0x1c}, },
+ { {0x09, 0x0a}, {0xae, 0x9b}, {0xec, 0x01}, {0xf5, 0x02}, {0xf4, 0xe6},
+ {0x03, 0xe1}, {0xe5, 0xe9}, {0x04, 0xf2}, {0xef, 0x05}, {0x06, 0x07},
+ {0xa0, 0x08}, },
+ { {0x0e, 0x0f}, {0xad, 0xe7}, {0x9b, 0xa7}, {0xf9, 0x01}, {0xec, 0x02},
+ {0xac, 0xf2}, {0x03, 0xae}, {0xf3, 0xf5}, {0x04, 0x05}, {0xef, 0x06},
+ {0x07, 0xe9}, {0xe1, 0x08}, {0x09, 0xe8}, {0x0a, 0x0b}, {0xe5, 0x0c},
+ {0xa0, 0x0d}, },
+ { {0x0d, 0x0e}, {0xa7, 0xac}, {0xf3, 0xad}, {0x01, 0x02}, {0x9b, 0xf9},
+ {0xf5, 0xae}, {0x03, 0xee}, {0x04, 0xf2}, {0x05, 0x06}, {0xf4, 0x07},
+ {0x08, 0x09}, {0xef, 0xe1}, {0xa0, 0x0a}, {0xe9, 0x0b}, {0x0c, 0xe5}, },
+ { {0x14, 0x15}, {0xac, 0xe2}, {0xf8, 0x9b}, {0xae, 0xfa}, {0x01, 0xeb},
+ {0x02, 0xa0}, {0x03, 0x04}, {0xf0, 0x05}, {0x06, 0xe6}, {0xf6, 0x07},
+ {0xe4, 0xed}, {0xe7, 0x08}, {0xe1, 0xef}, {0xf2, 0x09}, {0x0a, 0x0b},
+ {0xec, 0x0c}, {0xe5, 0xe3}, {0x0d, 0xf4}, {0x0e, 0xf3}, {0x0f, 0x10},
+ {0x11, 0xee}, {0x12, 0x13}, },
+ { {0x03, 0xef}, {0x9b, 0xe1}, {0xe5, 0xf5}, {0x01, 0x02}, },
+ { {0x08, 0x09}, {0xec, 0xf9}, {0xa7, 0xee}, {0x01, 0xac}, {0x9b, 0xae},
+ {0x02, 0x03}, {0x04, 0xf3}, {0x05, 0xe9}, {0x06, 0xa0}, {0x07, 0xe5}, },
+ { {0x16, 0x17}, {0xa7, 0xad}, {0xee, 0xe3}, {0xeb, 0xf2}, {0x9b, 0xe2},
+ {0x01, 0x02}, {0xf5, 0x03}, {0xf4, 0xac}, {0x04, 0x05}, {0xe6, 0xed},
+ {0xf6, 0x06}, {0xae, 0xf0}, {0x07, 0x08}, {0xf3, 0x09}, {0x0a, 0xe4},
+ {0x0b, 0x0c}, {0xf9, 0x0d}, {0xef, 0x0e}, {0xe1, 0x0f}, {0x10, 0xe9},
+ {0xec, 0x11}, {0xa0, 0xe5}, {0x12, 0x13}, {0x14, 0x15}, },
+ { {0x0c, 0x0d}, {0xa7, 0xbb}, {0x9b, 0x01}, {0xf9, 0xae}, {0xe2, 0x02},
+ {0xed, 0xf3}, {0x03, 0xf5}, {0xef, 0xf0}, {0x04, 0x05}, {0xe9, 0x06},
+ {0x07, 0x08}, {0x09, 0xa0}, {0xe1, 0xe5}, {0x0a, 0x0b}, },
+ { {0x19, 0x1a}, {0xad, 0xbb}, {0xe2, 0xea}, {0xed, 0xf2}, {0xfa, 0xe6},
+ {0xec, 0x01}, {0x02, 0x03}, {0x9b, 0xf5}, {0x04, 0xa7}, {0xf6, 0xf9},
+ {0x05, 0x06}, {0xeb, 0xef}, {0x07, 0x08}, {0x09, 0x0a}, {0xac, 0x0b},
+ {0x0c, 0xe3}, {0xae, 0x0d}, {0xee, 0xe9}, {0x0e, 0xe1}, {0x0f, 0xf3},
+ {0x10, 0x11}, {0xf4, 0x12}, {0xe7, 0xe5}, {0x13, 0x14}, {0xe4, 0x15},
+ {0x16, 0x17}, {0xa0, 0x18}, },
+ { {0x1a, 0x1b}, {0xc2, 0x9b}, {0xad, 0xac}, {0xf8, 0x01}, {0xae, 0x02},
+ {0x03, 0xe5}, {0xe7, 0xe8}, {0xf9, 0xe9}, {0xeb, 0x04}, {0xe3, 0xe1},
+ {0x05, 0xf6}, {0x06, 0xe4}, {0x07, 0xe2}, {0xf0, 0x08}, {0x09, 0xf3},
+ {0xf4, 0xf7}, {0xef, 0x0a}, {0x0b, 0x0c}, {0x0d, 0xec}, {0x0e, 0x0f},
+ {0x10, 0xf5}, {0xed, 0x11}, {0xe6, 0xa0}, {0x12, 0xf2}, {0x13, 0x14},
+ {0x15, 0xee}, {0x16, 0x17}, {0x18, 0x19}, },
+ { {0x0e, 0x0f}, {0xad, 0xed}, {0xf9, 0x9b}, {0xae, 0x01}, {0xf3, 0x02},
+ {0x03, 0xf5}, {0xf4, 0xf0}, {0x04, 0xef}, {0x05, 0xe9}, {0x06, 0xe8},
+ {0xa0, 0xe1}, {0xec, 0x07}, {0xf2, 0x08}, {0xe5, 0x09}, {0x0a, 0x0b},
+ {0x0c, 0x0d}, },
+ { {0x9b, 0xf5}, },
+ { {0x19, 0x1a}, {0xa9, 0xbb}, {0xf6, 0xe6}, {0x01, 0x9b}, {0xad, 0xe2},
+ {0xf0, 0x02}, {0xa7, 0x03}, {0x04, 0x05}, {0xf5, 0xe3}, {0xac, 0xe7},
+ {0xf2, 0x06}, {0xeb, 0x07}, {0xec, 0xed}, {0xee, 0xf9}, {0x08, 0xae},
+ {0x09, 0x0a}, {0xe4, 0x0b}, {0x0c, 0xf4}, {0x0d, 0xf3}, {0x0e, 0x0f},
+ {0x10, 0xe1}, {0xef, 0x11}, {0xe9, 0x12}, {0x13, 0xe5}, {0x14, 0xa0},
+ {0x15, 0x16}, {0x17, 0x18}, },
+ { {0xa0, 0x16}, {0xa2, 0xa7}, {0xe2, 0xeb}, {0xed, 0xee}, {0x9b, 0xf7},
+ {0x01, 0x02}, {0x03, 0xbb}, {0xf9, 0xf0}, {0x04, 0x05}, {0xec, 0x06},
+ {0x07, 0x08}, {0xf5, 0xe1}, {0x09, 0xac}, {0xe3, 0x0a}, {0xe8, 0x0b},
+ {0xe9, 0x0c}, {0xef, 0xf3}, {0xae, 0x0d}, {0x0e, 0xe5}, {0x0f, 0x10},
+ {0x11, 0xf4}, {0x12, 0x13}, {0x14, 0x15}, },
+ { {0x14, 0x15}, {0xbb, 0xe2}, {0xad, 0xed}, {0x01, 0x9b}, {0xa7, 0xe3},
+ {0xac, 0xec}, {0xee, 0x02}, {0xf7, 0x03}, {0x04, 0xf9}, {0x05, 0x06},
+ {0x07, 0x08}, {0xf4, 0xae}, {0xf5, 0x09}, {0x0a, 0xf2}, {0xe1, 0xf3},
+ {0x0b, 0x0c}, {0x0d, 0xe9}, {0x0e, 0x0f}, {0xef, 0xe5}, {0x10, 0xa0},
+ {0xe8, 0x11}, {0x12, 0x13}, },
+ { {0x11, 0x12}, {0xef, 0xf6}, {0x9b, 0xeb}, {0xf9, 0x01}, {0xa0, 0xe2},
+ {0x02, 0xe1}, {0x03, 0xed}, {0x04, 0xe3}, {0xe9, 0x05}, {0xe4, 0xe5},
+ {0xe7, 0x06}, {0xec, 0xf0}, {0x07, 0x08}, {0x09, 0x0a}, {0x0b, 0xf3},
+ {0x0c, 0xf4}, {0xee, 0x0d}, {0xf2, 0x0e}, {0x0f, 0x10}, },
+ { {0x05, 0xe5}, {0xf3, 0xf9}, {0x9b, 0x01}, {0xef, 0x02}, {0x03, 0xe1},
+ {0x04, 0xe9}, },
+ { {0x0a, 0x0b}, {0xae, 0x9b}, {0xec, 0xed}, {0x01, 0x02}, {0xf3, 0xee},
+ {0xf2, 0x03}, {0xe5, 0x04}, {0xe8, 0xa0}, {0xe1, 0x05}, {0xef, 0x06},
+ {0x07, 0x08}, {0xe9, 0x09}, },
+ { {0x05, 0x06}, {0xa0, 0xac}, {0xad, 0xf4}, {0xe9, 0x01}, {0x02, 0xe1},
+ {0xe5, 0x03}, {0x9b, 0x04}, },
+ { {0x11, 0xa0}, {0xbf, 0xe1}, {0xe2, 0xe6}, {0xed, 0xe4}, {0xe9, 0xf7},
+ {0xa7, 0x01}, {0x02, 0xbb}, {0x03, 0x04}, {0xec, 0x05}, {0x9b, 0xee},
+ {0x06, 0xef}, {0x07, 0xac}, {0xe5, 0xf3}, {0x08, 0x09}, {0x0a, 0xae},
+ {0x0b, 0x0c}, {0x0d, 0x0e}, {0x0f, 0x10}, },
+ { {0x06, 0x07}, {0xa0, 0xae}, {0xe1, 0xe5}, {0xec, 0xfa}, {0x9b, 0xef},
+ {0xe9, 0x01}, {0x02, 0x03}, {0x04, 0x05}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+};
+
+static struct hufftree_entry program_title_hufftree[][128] = {
+ { {0x1b, 0x1c}, {0xb4, 0xa4}, {0xb2, 0xb7}, {0xda, 0x01}, {0xd1, 0x02},
+ {0x03, 0x9b}, {0x04, 0xd5}, {0xd9, 0x05}, {0xcb, 0xd6}, {0x06, 0xcf},
+ {0x07, 0x08}, {0xca, 0x09}, {0xc9, 0xc5}, {0xc6, 0x0a}, {0xd2, 0xc4},
+ {0xc7, 0xcc}, {0xd0, 0xc8}, {0xd7, 0xce}, {0x0b, 0xc1}, {0x0c, 0xc2},
+ {0xcd, 0xc3}, {0x0d, 0x0e}, {0x0f, 0x10}, {0xd3, 0x11}, {0xd4, 0x12},
+ {0x13, 0x14}, {0x15, 0x16}, {0x17, 0x18}, {0x19, 0x1a}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x29, 0x2a}, {0xd8, 0xe5}, {0xb9, 0x01}, {0xa7, 0xb1}, {0xec, 0xd1},
+ {0x02, 0xad}, {0xb2, 0xda}, {0xe3, 0xb3}, {0x03, 0xe4}, {0xe6, 0x04},
+ {0x9b, 0xe2}, {0x05, 0x06}, {0x07, 0x08}, {0x09, 0xd5}, {0x0a, 0xd6},
+ {0x0b, 0xd9}, {0x0c, 0xa6}, {0xe9, 0xcb}, {0xc5, 0xcf}, {0x0d, 0x0e},
+ {0xca, 0xc9}, {0x0f, 0xc7}, {0x10, 0x11}, {0xe1, 0x12}, {0x13, 0xc6},
+ {0xd2, 0xc8}, {0xce, 0xc1}, {0xc4, 0xd0}, {0xcc, 0x14}, {0x15, 0xef},
+ {0xc2, 0xd7}, {0x16, 0xcd}, {0x17, 0xf4}, {0xd4, 0x18}, {0x19, 0x1a},
+ {0xc3, 0xd3}, {0x1b, 0x1c}, {0x1d, 0x1e}, {0x1f, 0x20}, {0x21, 0x22},
+ {0x23, 0x24}, {0x25, 0x26}, {0x27, 0x28}, },
+ { {0x01, 0x80}, {0xa0, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0xb1, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0xa0}, },
+ { {0x04, 0xf3}, {0xe4, 0xb9}, {0x01, 0xf4}, {0xa0, 0x9b}, {0x02, 0x03}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x01, 0x02}, {0x9b, 0xc1}, {0xc8, 0xd3}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0xa0}, },
+ { {0x07, 0x08}, {0xb1, 0xd2}, {0xd3, 0xd4}, {0xd5, 0xad}, {0xcd, 0xc1},
+ {0x01, 0x02}, {0x03, 0xa0}, {0x04, 0x9b}, {0x05, 0x06}, },
+ { {0xa0, 0x05}, {0xc9, 0xd7}, {0xd3, 0x01}, {0x02, 0x9b}, {0xae, 0x80},
+ {0x03, 0x04}, },
+ { {0x9b, 0x9b}, },
+ { {0x02, 0x03}, {0xad, 0x9b}, {0x01, 0x80}, {0xa0, 0xb0}, },
+ { {0x04, 0x05}, {0x80, 0x9b}, {0xb1, 0xb2}, {0xa0, 0xb0}, {0xb9, 0x01},
+ {0x02, 0x03}, },
+ { {0x02, 0x03}, {0xb1, 0xba}, {0x01, 0xb0}, {0x9b, 0x80}, },
+ { {0x80, 0x01}, {0xb0, 0x9b}, },
+ { {0x9b, 0xb8}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0xb0}, },
+ { {0x9b, 0xa0}, },
+ { {0x02, 0x03}, {0xb1, 0xb3}, {0xb9, 0xb0}, {0x01, 0x9b}, },
+ { {0x9b, 0xa0}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x80}, },
+ { {0x9b, 0x9b}, },
+ { {0x13, 0x14}, {0xaa, 0xad}, {0xae, 0xf6}, {0xe7, 0xf4}, {0xe2, 0xe9},
+ {0x01, 0x02}, {0xc2, 0xf0}, {0x9b, 0xf3}, {0xe3, 0xe6}, {0xf7, 0x03},
+ {0xf5, 0x04}, {0x05, 0x06}, {0xf2, 0x07}, {0x08, 0x09}, {0x0a, 0x0b},
+ {0x0c, 0xe4}, {0xa0, 0x0d}, {0xec, 0xee}, {0x0e, 0xed}, {0x0f, 0x10},
+ {0x11, 0x12}, },
+ { {0x08, 0x09}, {0xc1, 0xd3}, {0x9b, 0x01}, {0xc3, 0x02}, {0xe9, 0xec},
+ {0x03, 0xf2}, {0xf5, 0x04}, {0xef, 0xe1}, {0x05, 0xe5}, {0x06, 0x07}, },
+ { {0x0b, 0x0c}, {0xc1, 0xf9}, {0x01, 0xc2}, {0xcf, 0xe5}, {0xf5, 0x9b},
+ {0xe9, 0x02}, {0xa0, 0x03}, {0x04, 0x05}, {0xf2, 0x06}, {0xec, 0x07},
+ {0xe1, 0x08}, {0x09, 0xe8}, {0x0a, 0xef}, },
+ { {0x05, 0x06}, {0xf9, 0x9b}, {0x01, 0xf5}, {0x02, 0xf2}, {0xe9, 0xe5},
+ {0xef, 0x03}, {0xe1, 0x04}, },
+ { {0x0a, 0x0b}, {0xf1, 0xf5}, {0xf3, 0x01}, {0xed, 0xf9}, {0xc3, 0x02},
+ {0xec, 0xee}, {0xe4, 0xf8}, {0x03, 0x9b}, {0xf6, 0x04}, {0x05, 0xe1},
+ {0x06, 0x07}, {0x08, 0x09}, },
+ { {0x07, 0x08}, {0xa0, 0x9b}, {0xcc, 0x01}, {0xe5, 0x02}, {0xec, 0xf5},
+ {0xef, 0x03}, {0xe9, 0xf2}, {0x04, 0x05}, {0xe1, 0x06}, },
+ { {0x09, 0x0a}, {0xae, 0xec}, {0xf9, 0xc1}, {0xe8, 0x01}, {0x9b, 0x02},
+ {0x03, 0x04}, {0xe1, 0xf5}, {0xe9, 0x05}, {0xe5, 0x06}, {0xf2, 0xef},
+ {0x07, 0x08}, },
+ { {0xef, 0x05}, {0x80, 0x9b}, {0xf5, 0x01}, {0x02, 0xe9}, {0xe1, 0x03},
+ {0xe5, 0x04}, },
+ { {0xee, 0x0b}, {0xba, 0xd4}, {0xae, 0xf2}, {0xe3, 0x01}, {0xa0, 0x02},
+ {0x80, 0x9b}, {0xed, 0x03}, {0xc9, 0xf3}, {0xf4, 0x04}, {0x05, 0x06},
+ {0x07, 0x08}, {0x09, 0x0a}, },
+ { {0x02, 0x03}, {0x9b, 0xf5}, {0x01, 0xe1}, {0xef, 0xe5}, },
+ { {0x05, 0xe9}, {0xe1, 0xef}, {0xf5, 0xee}, {0x9b, 0xe5}, {0x01, 0x02},
+ {0x03, 0x04}, },
+ { {0x04, 0x05}, {0xa0, 0x9b}, {0x01, 0xf5}, {0x02, 0xe5}, {0xef, 0x03},
+ {0xe1, 0xe9}, },
+ { {0x08, 0x09}, {0xaa, 0xd4}, {0x01, 0x9b}, {0xe3, 0x02}, {0xf2, 0x03},
+ {0xe5, 0x04}, {0xf5, 0xf9}, {0xe9, 0x05}, {0xef, 0x06}, {0x07, 0xe1}, },
+ { {0xe5, 0x08}, {0xce, 0xa0}, {0xc6, 0xf5}, {0x01, 0x02}, {0x9b, 0xc2},
+ {0x03, 0xe1}, {0x04, 0xef}, {0x05, 0xe9}, {0x06, 0x07}, },
+ { {0x09, 0x0a}, {0xe4, 0xf3}, {0xe6, 0xf6}, {0xf7, 0xf0}, {0xf2, 0x01},
+ {0xec, 0x02}, {0x03, 0xa0}, {0x9b, 0x04}, {0x05, 0xf5}, {0x06, 0x07},
+ {0xee, 0x08}, },
+ { {0x0b, 0x0c}, {0xa0, 0xf3}, {0xf9, 0xae}, {0xd2, 0xc7}, {0x01, 0x9b},
+ {0x02, 0xf5}, {0x03, 0x04}, {0x05, 0xe9}, {0xec, 0x06}, {0xe5, 0x07},
+ {0xef, 0x08}, {0xe1, 0x09}, {0xf2, 0x0a}, },
+ { {0x01, 0xf5}, {0x9b, 0xd6}, },
+ { {0x04, 0x05}, {0xe8, 0x9b}, {0x01, 0xf5}, {0x02, 0xe1}, {0xe9, 0xef},
+ {0x03, 0xe5}, },
+ { {0x10, 0x11}, {0xaa, 0xec}, {0xf1, 0xae}, {0xa0, 0xf7}, {0xed, 0xee},
+ {0x01, 0x02}, {0x9b, 0xeb}, {0x03, 0x04}, {0x05, 0x06}, {0xe3, 0x07},
+ {0xef, 0x08}, {0xe9, 0xf5}, {0x09, 0xe1}, {0xe5, 0xf0}, {0xe8, 0x0a},
+ {0x0b, 0x0c}, {0x0d, 0xf4}, {0x0e, 0x0f}, },
+ { {0xe8, 0x0a}, {0xad, 0xce}, {0x9b, 0x01}, {0xd6, 0x02}, {0xf5, 0xf7},
+ {0x03, 0x04}, {0xe1, 0xe5}, {0xe9, 0x05}, {0xf2, 0x06}, {0xef, 0x07},
+ {0x08, 0x09}, },
+ { {0xee, 0x03}, {0xec, 0xae}, {0x01, 0x9b}, {0x02, 0xf0}, },
+ { {0x06, 0xe9}, {0xa0, 0xc3}, {0xef, 0x9b}, {0xe5, 0x01}, {0x80, 0x02},
+ {0x03, 0xe1}, {0x04, 0x05}, },
+ { {0x06, 0x07}, {0xc6, 0xd7}, {0x01, 0x9b}, {0xf2, 0x02}, {0x03, 0xe8},
+ {0xe5, 0xe1}, {0x04, 0xe9}, {0xef, 0x05}, },
+ { {0x9b, 0x9b}, },
+ { {0x02, 0xef}, {0xe1, 0x9b}, {0x01, 0xe5}, },
+ { {0x01, 0xef}, {0x9b, 0xe1}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x19, 0x1a}, {0x9b, 0xba}, {0xe5, 0xea}, {0xf8, 0x01}, {0x02, 0xe6},
+ {0xa7, 0x03}, {0xfa, 0xe8}, {0x04, 0xf7}, {0x05, 0xf5}, {0xe2, 0x06},
+ {0xeb, 0x07}, {0xf0, 0x08}, {0x80, 0xf6}, {0xe7, 0x09}, {0xe4, 0x0a},
+ {0xa0, 0xe9}, {0x0b, 0xe3}, {0xf9, 0x0c}, {0x0d, 0xed}, {0x0e, 0x0f},
+ {0xf3, 0x10}, {0x11, 0xec}, {0x12, 0xf4}, {0xf2, 0x13}, {0xee, 0x14},
+ {0x15, 0x16}, {0x17, 0x18}, },
+ { {0x0a, 0x0b}, {0xf3, 0x9b}, {0xf5, 0xe2}, {0x01, 0x80}, {0xa0, 0x02},
+ {0xe5, 0xf2}, {0xe9, 0x03}, {0xec, 0x04}, {0xf9, 0x05}, {0xef, 0x06},
+ {0xe1, 0x07}, {0x08, 0x09}, },
+ { {0x10, 0x11}, {0xc3, 0xcc}, {0xc7, 0x9b}, {0xe3, 0x01}, {0x80, 0xec},
+ {0xf9, 0x02}, {0xf3, 0x03}, {0xf5, 0x04}, {0x05, 0xf2}, {0x06, 0xe9},
+ {0xa0, 0x07}, {0x08, 0xef}, {0xf4, 0x09}, {0x0a, 0xe1}, {0x0b, 0xe8},
+ {0xeb, 0xe5}, {0x0c, 0x0d}, {0x0e, 0x0f}, },
+ { {0x0e, 0x0f}, {0xae, 0xf5}, {0xf7, 0x01}, {0xec, 0x02}, {0xe4, 0xe7},
+ {0xf2, 0x03}, {0x9b, 0xef}, {0x04, 0xf6}, {0x05, 0x06}, {0xf9, 0xf3},
+ {0x07, 0xe9}, {0xe1, 0x08}, {0x09, 0x80}, {0x0a, 0x0b}, {0xe5, 0x0c},
+ {0x0d, 0xa0}, },
+ { {0x1e, 0x1f}, {0x9b, 0xa1}, {0xad, 0xe8}, {0xea, 0xf1}, {0xf5, 0xfa},
+ {0x01, 0x02}, {0x03, 0x04}, {0xba, 0xf8}, {0xa7, 0xe2}, {0xe9, 0x05},
+ {0x06, 0x07}, {0xe6, 0xed}, {0xe7, 0xeb}, {0x08, 0x09}, {0xf6, 0xf0},
+ {0x0a, 0xef}, {0x0b, 0xe3}, {0x0c, 0x0d}, {0x0e, 0xf9}, {0x0f, 0xe4},
+ {0xec, 0x10}, {0xe5, 0x11}, {0xf4, 0xf7}, {0x12, 0x13}, {0xe1, 0x14},
+ {0x15, 0x16}, {0xee, 0xf3}, {0x17, 0x80}, {0x18, 0x19}, {0xf2, 0x1a},
+ {0x1b, 0xa0}, {0x1c, 0x1d}, },
+ { {0xa0, 0x0b}, {0xf5, 0x9b}, {0x01, 0xec}, {0xf3, 0xf2}, {0x80, 0xe1},
+ {0x02, 0x03}, {0xf4, 0xe9}, {0xef, 0xe6}, {0x04, 0x05}, {0x06, 0x07},
+ {0xe5, 0x08}, {0x09, 0x0a}, },
+ { {0x0f, 0x10}, {0xba, 0xf9}, {0xa7, 0xf4}, {0x9b, 0x01}, {0xe7, 0xec},
+ {0x02, 0xee}, {0x03, 0xef}, {0xf5, 0x04}, {0xf2, 0x05}, {0x06, 0xe9},
+ {0x07, 0xf3}, {0xe1, 0x08}, {0x09, 0x0a}, {0x0b, 0xe5}, {0x80, 0x0c},
+ {0xe8, 0xa0}, {0x0d, 0x0e}, },
+ { {0xe5, 0x0d}, {0xe2, 0xf5}, {0xf7, 0x9b}, {0xec, 0x01}, {0xf9, 0xee},
+ {0x02, 0x03}, {0x04, 0xf2}, {0x05, 0x80}, {0x06, 0xa0}, {0xe1, 0xef},
+ {0x07, 0xf4}, {0xe9, 0x08}, {0x09, 0x0a}, {0x0b, 0x0c}, },
+ { {0x15, 0x16}, {0xa1, 0xf8}, {0xe9, 0xeb}, {0x01, 0x80}, {0x9b, 0xfa},
+ {0xe2, 0x02}, {0x03, 0x04}, {0xa0, 0xf0}, {0x05, 0x06}, {0x07, 0xe1},
+ {0x08, 0xe6}, {0xf2, 0xed}, {0xf6, 0x09}, {0xe4, 0x0a}, {0xef, 0xf4},
+ {0xec, 0xf3}, {0xe7, 0xe5}, {0x0b, 0xe3}, {0x0c, 0x0d}, {0x0e, 0x0f},
+ {0x10, 0x11}, {0x12, 0x13}, {0xee, 0x14}, },
+ { {0xef, 0x01}, {0x9b, 0xe1}, },
+ { {0x0b, 0x0c}, {0xd4, 0xef}, {0xe6, 0xec}, {0xf7, 0xe1}, {0x01, 0xba},
+ {0x02, 0x9b}, {0xf9, 0x03}, {0x04, 0x05}, {0xf3, 0x06}, {0x07, 0x08},
+ {0xe9, 0xa0}, {0x09, 0x80}, {0xe5, 0x0a}, },
+ { {0x15, 0x16}, {0xa7, 0xba}, {0xe3, 0xf7}, {0xf2, 0xad}, {0xe2, 0x01},
+ {0x02, 0x9b}, {0xe6, 0x03}, {0xed, 0xf6}, {0x04, 0xeb}, {0x05, 0xf4},
+ {0x06, 0x07}, {0x08, 0xf3}, {0x09, 0xf5}, {0x0a, 0xef}, {0x0b, 0x0c},
+ {0x80, 0xf9}, {0xe1, 0x0d}, {0xe4, 0xe9}, {0xa0, 0x0e}, {0x0f, 0xec},
+ {0xe5, 0x10}, {0x11, 0x12}, {0x13, 0x14}, },
+ { {0x0a, 0x0b}, {0xf9, 0x9b}, {0xf5, 0xf3}, {0x01, 0x02}, {0xe2, 0xed},
+ {0x80, 0x03}, {0xf0, 0xef}, {0x04, 0xa0}, {0x05, 0xe9}, {0x06, 0xe1},
+ {0x07, 0x08}, {0x09, 0xe5}, },
+ { {0x18, 0x19}, {0xe2, 0xea}, {0xf2, 0xe8}, {0xec, 0xed}, {0xfa, 0x9b},
+ {0x01, 0xf5}, {0x02, 0x03}, {0xf6, 0x04}, {0xba, 0xe6}, {0x05, 0x06},
+ {0xeb, 0xef}, {0x07, 0xa7}, {0xf9, 0x08}, {0x09, 0x0a}, {0x0b, 0xe3},
+ {0x0c, 0xee}, {0xe1, 0x0d}, {0xf3, 0x0e}, {0xe9, 0x0f}, {0x10, 0xf4},
+ {0x80, 0xe4}, {0xe5, 0x11}, {0x12, 0xe7}, {0xa0, 0x13}, {0x14, 0x15},
+ {0x16, 0x17}, },
+ { {0x1b, 0x1c}, {0xae, 0xfa}, {0xbf, 0x01}, {0xa7, 0x9b}, {0x02, 0xe9},
+ {0xf8, 0xf9}, {0x03, 0xe5}, {0xe8, 0x04}, {0xe1, 0xeb}, {0x05, 0xe2},
+ {0x06, 0x07}, {0xe3, 0x08}, {0xe7, 0xf4}, {0x09, 0x80}, {0xf6, 0xf0},
+ {0x0a, 0xe4}, {0x0b, 0xf3}, {0xf7, 0x0c}, {0x0d, 0xef}, {0xec, 0xa0},
+ {0x0e, 0x0f}, {0xed, 0xe6}, {0x10, 0xf5}, {0x11, 0x12}, {0x13, 0x14},
+ {0x15, 0xf2}, {0x16, 0xee}, {0x17, 0x18}, {0x19, 0x1a}, },
+ { {0x0e, 0x0f}, {0xed, 0xa7}, {0x9b, 0xe4}, {0x01, 0xf9}, {0xf3, 0xf2},
+ {0xf4, 0x02}, {0xe8, 0x03}, {0xec, 0xf0}, {0x04, 0xe1}, {0xe9, 0x05},
+ {0x06, 0x80}, {0xa0, 0x07}, {0x08, 0x09}, {0x0a, 0xe5}, {0xef, 0x0b},
+ {0x0c, 0x0d}, },
+ { {0x9b, 0xf5}, },
+ { {0x18, 0x19}, {0xba, 0xac}, {0xf6, 0x9b}, {0xf0, 0xe2}, {0x01, 0xe6},
+ {0x02, 0xa7}, {0xae, 0xe7}, {0x03, 0xe3}, {0xf5, 0x04}, {0xed, 0x05},
+ {0x06, 0x07}, {0xeb, 0x08}, {0x09, 0xee}, {0xf2, 0x0a}, {0xe4, 0x0b},
+ {0xf9, 0xec}, {0x0c, 0x0d}, {0xf4, 0x80}, {0x0e, 0xef}, {0xf3, 0xa0},
+ {0xe1, 0x0f}, {0xe9, 0x10}, {0x11, 0xe5}, {0x12, 0x13}, {0x14, 0x15},
+ {0x16, 0x17}, },
+ { {0x19, 0x1a}, {0xa7, 0xac}, {0xbf, 0xc3}, {0xc8, 0xe4}, {0xe6, 0xed},
+ {0xf2, 0xae}, {0xec, 0xee}, {0xf9, 0x01}, {0x02, 0x03}, {0x04, 0xba},
+ {0x05, 0x9b}, {0xf5, 0x06}, {0x07, 0x08}, {0x09, 0xeb}, {0xf0, 0x0a},
+ {0x0b, 0x0c}, {0xe1, 0xe3}, {0x0d, 0xe8}, {0x0e, 0x0f}, {0xef, 0x10},
+ {0x11, 0xf3}, {0x12, 0xe9}, {0x13, 0xe5}, {0x14, 0x15}, {0xf4, 0x16},
+ {0x17, 0xa0}, {0x18, 0x80}, },
+ { {0x14, 0x15}, {0xba, 0xbf}, {0xe4, 0xf7}, {0x9b, 0xa7}, {0x01, 0xee},
+ {0x02, 0x03}, {0x04, 0xe3}, {0xe2, 0xed}, {0x05, 0xf9}, {0x06, 0xf4},
+ {0x07, 0xec}, {0x08, 0xf5}, {0xf2, 0x09}, {0xe1, 0xf3}, {0x0a, 0xef},
+ {0x0b, 0x0c}, {0x0d, 0xe9}, {0x80, 0xe5}, {0x0e, 0xa0}, {0x0f, 0xe8},
+ {0x10, 0x11}, {0x12, 0x13}, },
+ { {0x11, 0x12}, {0xeb, 0xfa}, {0x80, 0xe6}, {0x9b, 0x01}, {0xa0, 0x02},
+ {0x03, 0xe9}, {0xe1, 0x04}, {0xe4, 0xf0}, {0xed, 0xe2}, {0xe3, 0xe7},
+ {0xec, 0x05}, {0xe5, 0x06}, {0x07, 0x08}, {0x09, 0xf4}, {0x0a, 0x0b},
+ {0x0c, 0xf3}, {0xee, 0x0d}, {0x0e, 0xf2}, {0x0f, 0x10}, },
+ { {0x04, 0xe5}, {0xf3, 0xef}, {0x9b, 0x01}, {0xe1, 0x02}, {0x03, 0xe9}, },
+ { {0x0b, 0x0c}, {0xa7, 0xe2}, {0xec, 0xe3}, {0xf2, 0x01}, {0x9b, 0x02},
+ {0x03, 0x04}, {0xe9, 0xef}, {0xee, 0xe5}, {0xe1, 0x80}, {0x05, 0xa0},
+ {0x06, 0x07}, {0x08, 0x09}, {0xf3, 0x0a}, },
+ { {0x05, 0x06}, {0x9b, 0xa0}, {0xe1, 0xe5}, {0xe9, 0x01}, {0x80, 0xf0},
+ {0x02, 0xf4}, {0x03, 0x04}, },
+ { {0xa0, 0x13}, {0xe3, 0xad}, {0xe4, 0xe9}, {0xee, 0xef}, {0xf0, 0xf4},
+ {0xf6, 0xa1}, {0xe1, 0xed}, {0x01, 0xe2}, {0x02, 0x03}, {0x04, 0xa7},
+ {0x05, 0x06}, {0xf7, 0x07}, {0x9b, 0xec}, {0x08, 0xe5}, {0x09, 0x0a},
+ {0x0b, 0x0c}, {0x0d, 0x0e}, {0xf3, 0x0f}, {0x10, 0x11}, {0x80, 0x12}, },
+ { {0x05, 0x06}, {0xe5, 0xfa}, {0xa0, 0xf9}, {0x9b, 0x01}, {0x80, 0xe9},
+ {0x02, 0xe1}, {0x03, 0x04}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+ { {0x9b, 0x9b}, },
+};
+
+
+
+static inline void huffbuff_init(struct huffbuff *hbuf, uint8_t *buf, uint32_t buf_len)
+{
+ memset(hbuf, 0, sizeof(struct huffbuff));
+ hbuf->buf = buf;
+ hbuf->buf_len = buf_len;
+}
+
+static inline int huffbuff_bits(struct huffbuff *hbuf, uint8_t nbits)
+{
+ uint8_t result = 0;
+
+ if (nbits > 8)
+ return -1;
+
+ while(nbits--) {
+ if (hbuf->cur_byte >= hbuf->buf_len) {
+ return -1;
+ }
+
+ result <<= 1;
+ if (hbuf->buf[hbuf->cur_byte] & (0x80 >> hbuf->cur_bit))
+ result |= 1;
+
+ if (++hbuf->cur_bit > 7) {
+ hbuf->cur_byte++;
+ hbuf->cur_bit = 0;
+ }
+ }
+
+ return result;
+}
+
+static inline int append_unicode_char(uint8_t **destbuf, size_t *destbuflen, size_t *destbufpos,
+ uint32_t c)
+{
+ uint8_t tmp[3];
+ int tmplen = 0;
+
+ // encode the unicode character first of all
+ if (c < 0x80) {
+ tmp[0] = c;
+ tmplen = 1;
+ } else if (c < 0x800) {
+ tmp[0] = 0xc0 | ((c >> 6) & 0x1f);
+ tmp[1] = 0x80 | (c & 0x3f);
+ tmplen = 2;
+ } else if (c < 0x10000) {
+ tmp[0] = 0xe0 | ((c >> 12) & 0x0f);
+ tmp[1] = 0x80 | ((c >> 6) & 0x3f);
+ tmp[2] = 0x80 | (c & 0x3f);
+ tmplen = 3;
+ } else {
+ return -1;
+ }
+
+ // do we have enough buffer space?
+ if ((*destbufpos + tmplen) >= *destbuflen) {
+ uint8_t *new_dest = realloc(*destbuf, *destbuflen + DEST_ALLOC_DELTA);
+ if (new_dest == NULL)
+ return -ENOMEM;
+ *destbuf = new_dest;
+ *destbuflen += DEST_ALLOC_DELTA;
+ }
+
+ // copy it into position
+ memcpy(*destbuf + *destbufpos, tmp, tmplen);
+ *destbufpos += tmplen;
+
+ return 0;
+}
+
+static inline int unicode_decode(uint8_t *srcbuf, size_t srcbuflen, int mode,
+ uint8_t **destbuf, size_t *destbuflen, size_t *destbufpos)
+{
+ size_t i;
+ uint32_t msb = mode << 8;
+
+ for(i=0; i< srcbuflen; i++) {
+ if (append_unicode_char(destbuf, destbuflen, destbufpos, msb + srcbuf[i]))
+ return -1;
+ }
+
+ return *destbufpos;
+}
+
+static int huffman_decode_uncompressed(struct huffbuff *hbuf,
+ uint8_t **destbuf, size_t *destbuflen, size_t *destbufpos)
+{
+ int c;
+
+ while(hbuf->cur_byte < hbuf->buf_len) {
+ // get next byte
+ if ((c = huffbuff_bits(hbuf, 8)) < 0)
+ return -1;
+
+ switch(c) {
+ case HUFFSTRING_END:
+ return 0;
+
+ case HUFFSTRING_ESCAPE:
+ return HUFFSTRING_ESCAPE;
+
+ default:
+ if (append_unicode_char(destbuf, destbuflen, destbufpos, c))
+ return -1;
+
+ // if it is 7 bit, we swap back to the compressed context
+ if ((c & 0x80) == 0)
+ return c;
+
+ // characters following an 8 bit uncompressed char are uncompressed as well
+ break;
+ }
+ }
+
+ // ran out of string; pretend we saw an end of string char
+ return HUFFSTRING_END;
+}
+
+static int huffman_decode(uint8_t *src, size_t srclen,
+ uint8_t **destbuf, size_t *destbuflen, size_t *destbufpos,
+ struct hufftree_entry hufftree[][128])
+{
+ struct huffbuff hbuf;
+ int bit;
+ struct hufftree_entry *tree = hufftree[0];
+ uint8_t treeidx = 0;
+ uint8_t treeval;
+ int tmp;
+
+ huffbuff_init(&hbuf, src, srclen);
+
+ while(hbuf.cur_byte < hbuf.buf_len) {
+ // get the next bit
+ if ((bit = huffbuff_bits(&hbuf, 1)) < 0)
+ return *destbufpos;
+
+ if (!bit) {
+ treeval = tree[treeidx].left_idx;
+ } else {
+ treeval = tree[treeidx].right_idx;
+ }
+
+ if (treeval & HUFFTREE_LITERAL_MASK) {
+ switch(treeval & ~HUFFTREE_LITERAL_MASK) {
+ case HUFFSTRING_END:
+ return 0;
+
+ case HUFFSTRING_ESCAPE:
+ if ((tmp =
+ huffman_decode_uncompressed(&hbuf,
+ destbuf, destbuflen, destbufpos)) < 0)
+ return tmp;
+ if (tmp == 0)
+ return *destbufpos;
+
+ tree = hufftree[tmp];
+ treeidx = 0;
+ break;
+
+ default:
+ // stash it
+ if (append_unicode_char(destbuf, destbuflen, destbufpos,
+ treeval & ~HUFFTREE_LITERAL_MASK))
+ return -1;
+ tree = hufftree[treeval & ~HUFFTREE_LITERAL_MASK];
+ treeidx = 0;
+ break;
+ }
+ } else {
+ treeidx = treeval;
+ }
+ }
+
+ return *destbufpos;
+}
+
+int atsc_text_segment_decode(struct atsc_text_string_segment *segment,
+ uint8_t **destbuf, size_t *destbufsize, size_t *destbufpos)
+{
+ if (segment->mode > ATSC_TEXT_SEGMENT_MODE_UNICODE_RANGE_MAX)
+ return -1;
+
+ // mode==0 MUST be used for compressed text
+ if ((segment->mode) && (segment->compression_type))
+ return -1;
+
+ uint8_t *buf = atsc_text_string_segment_bytes(segment);
+
+ switch(segment->compression_type) {
+ case ATSC_TEXT_COMPRESS_NONE:
+ return unicode_decode(buf, segment->number_bytes, segment->mode,
+ destbuf, destbufsize, destbufpos);
+
+ case ATSC_TEXT_COMPRESS_PROGRAM_TITLE:
+ return huffman_decode(buf, segment->number_bytes,
+ destbuf, destbufsize, destbufpos,
+ program_title_hufftree);
+
+ case ATSC_TEXT_COMPRESS_PROGRAM_DESCRIPTION:
+ return huffman_decode(buf, segment->number_bytes,
+ destbuf, destbufsize, destbufpos,
+ program_description_hufftree);
+ }
+
+ return -1;
+}
diff --git a/lib/libucsi/atsc/caption_service_descriptor.h b/lib/libucsi/atsc/caption_service_descriptor.h
new file mode 100644
index 0000000..29d1794
--- /dev/null
+++ b/lib/libucsi/atsc/caption_service_descriptor.h
@@ -0,0 +1,137 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _UCSI_ATSC_CAPTION_SERVICE_DESCRIPTOR
+#define _UCSI_ATSC_CAPTION_SERVICE_DESCRIPTOR 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/descriptor.h>
+#include <libucsi/endianops.h>
+#include <libucsi/types.h>
+
+/**
+ * atsc_caption_service_descriptor structure.
+ */
+struct atsc_caption_service_descriptor {
+ struct descriptor d;
+
+ EBIT2(uint8_t reserved : 3; ,
+ uint8_t number_of_services : 5; );
+ /* struct atsc_caption_service_entry entries[] */
+} __ucsi_packed;
+
+/**
+ * An entry in the entries field of a atsc_caption_service_descriptor.
+ */
+struct atsc_caption_service_entry {
+ iso639lang_t language_code;
+ EBIT3(uint8_t digital_cc : 1; ,
+ uint8_t reserved : 1; ,
+ uint8_t value : 6; );
+ EBIT3(uint16_t easy_reader : 1; ,
+ uint16_t wide_aspect_ratio : 1; ,
+ uint16_t reserved1 :14; );
+} __ucsi_packed;
+
+/**
+ * Process an atsc_caption_service_descriptor.
+ *
+ * @param d Generic descriptor pointer.
+ * @return atsc_caption_service_descriptor pointer, or NULL on error.
+ */
+static inline struct atsc_caption_service_descriptor*
+ atsc_caption_service_descriptor_codec(struct descriptor* d)
+{
+ struct atsc_caption_service_descriptor *ret =
+ (struct atsc_caption_service_descriptor *) d;
+ uint8_t *buf = (uint8_t*) d + 2;
+ int pos = 0;
+ int idx;
+
+ if (d->len < 1)
+ return NULL;
+ pos++;
+
+ for(idx = 0; idx < ret->number_of_services; idx++) {
+ if (d->len < (pos + sizeof(struct atsc_caption_service_entry)))
+ return NULL;
+
+ bswap16(buf+pos+4);
+
+ pos += sizeof(struct atsc_caption_service_entry);
+ }
+
+ return (struct atsc_caption_service_descriptor*) d;
+}
+
+/**
+ * Iterator for entries field of a atsc_caption_service_descriptor.
+ *
+ * @param d atsc_caption_service_descriptor pointer.
+ * @param pos Variable holding a pointer to the current atsc_caption_service_entry.
+ * @param idx Field iterator integer.
+ */
+#define atsc_caption_service_descriptor_entries_for_each(d, pos, idx) \
+ for ((pos) = atsc_caption_service_descriptor_entries_first(d), idx=0; \
+ (pos); \
+ (pos) = atsc_caption_service_descriptor_entries_next(d, pos, ++idx))
+
+
+
+
+
+
+
+
+
+
+/******************************** PRIVATE CODE ********************************/
+static inline struct atsc_caption_service_entry*
+ atsc_caption_service_descriptor_entries_first(struct atsc_caption_service_descriptor *d)
+{
+ if (d->number_of_services == 0)
+ return NULL;
+
+ return (struct atsc_caption_service_entry *)
+ ((uint8_t*) d + sizeof(struct atsc_caption_service_descriptor));
+}
+
+static inline struct atsc_caption_service_entry*
+ atsc_caption_service_descriptor_entries_next(struct atsc_caption_service_descriptor *d,
+ struct atsc_caption_service_entry *pos,
+ int idx)
+{
+ if (idx >= d->number_of_services)
+ return NULL;
+
+ return (struct atsc_caption_service_entry *)
+ ((uint8_t *) pos + sizeof(struct atsc_caption_service_entry));
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/lib/libucsi/atsc/component_name_descriptor.h b/lib/libucsi/atsc/component_name_descriptor.h
new file mode 100644
index 0000000..3b9cab7
--- /dev/null
+++ b/lib/libucsi/atsc/component_name_descriptor.h
@@ -0,0 +1,92 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _UCSI_ATSC_COMPONENT_NAME_DESCRIPTOR
+#define _UCSI_ATSC_COMPONENT_NAME_DESCRIPTOR 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/descriptor.h>
+#include <libucsi/endianops.h>
+#include <libucsi/types.h>
+#include <libucsi/atsc/types.h>
+
+/**
+ * atsc_component_name_descriptor structure.
+ */
+struct atsc_component_name_descriptor {
+ struct descriptor d;
+
+ /* struct atsc_text text[] */
+} __ucsi_packed;
+
+/**
+ * Process an atsc_component_name_descriptor.
+ *
+ * @param d Generic descriptor pointer.
+ * @return atsc_component_name_descriptor pointer, or NULL on error.
+ */
+static inline struct atsc_component_name_descriptor*
+ atsc_component_name_descriptor_codec(struct descriptor* d)
+{
+ uint8_t *txt = ((uint8_t*) d) + sizeof(struct atsc_component_name_descriptor);
+
+ if (atsc_text_validate(txt, d->len))
+ return NULL;
+
+ return (struct atsc_component_name_descriptor*) d;
+}
+
+/**
+ * Accessor for the text field of an atsc_component_name_descriptor.
+ *
+ * @param d atsc_component_name_descriptor pointer.
+ * @return Pointer to the atsc_text data, or NULL on error.
+ */
+static inline struct atsc_text*
+ atsc_component_name_descriptor_text(struct atsc_component_name_descriptor *d)
+{
+ uint8_t *txt = ((uint8_t*) d) + sizeof(struct atsc_component_name_descriptor);
+
+ return (struct atsc_text*) txt;
+}
+
+/**
+ * Accessor for the length of the text field of an atsc_component_name_descriptor_text.
+ *
+ * @param d atsc_component_name_descriptor pointer.
+ * @return The length in bytes.
+ */
+static inline int
+ atsc_component_name_descriptor_text_length(struct atsc_component_name_descriptor *d)
+{
+ return d->d.len;
+}
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/lib/libucsi/atsc/content_advisory_descriptor.h b/lib/libucsi/atsc/content_advisory_descriptor.h
new file mode 100644
index 0000000..da19813
--- /dev/null
+++ b/lib/libucsi/atsc/content_advisory_descriptor.h
@@ -0,0 +1,235 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _UCSI_ATSC_CONTENT_ADVISORY_DESCRIPTOR
+#define _UCSI_ATSC_CONTENT_ADVISORY_DESCRIPTOR 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/descriptor.h>
+#include <libucsi/endianops.h>
+#include <libucsi/types.h>
+
+/**
+ * atsc_content_advisory_descriptor structure.
+ */
+struct atsc_content_advisory_descriptor {
+ struct descriptor d;
+
+ EBIT2(uint8_t reserved : 2; ,
+ uint8_t rating_region_count : 6; );
+ /* struct atsc_content_advisory_entry entries[] */
+} __ucsi_packed;
+
+/**
+ * An entry in the entries field of a atsc_content_advisory_descriptor.
+ */
+struct atsc_content_advisory_entry {
+ uint8_t rating_region;
+ uint8_t rated_dimensions;
+ /* struct atsc_content_advisory_entry_dimension dimensions[] */
+ /* struct atsc_content_advisory_entry_part2 part2 */
+} __ucsi_packed;
+
+/**
+ * An entry in the entries field of a atsc_content_advisory_descriptor.
+ */
+struct atsc_content_advisory_entry_dimension {
+ uint8_t rating_dimension_j;
+ EBIT2(uint8_t reserved : 4; ,
+ uint8_t rating_value : 4; );
+} __ucsi_packed;
+
+/**
+ * Part2 of an atsc_content_advisory_entry.
+ */
+struct atsc_content_advisory_entry_part2 {
+ uint8_t rating_description_length;
+ /* struct atsc_text description */
+} __ucsi_packed;
+
+/**
+ * Process an atsc_content_advisory_descriptor.
+ *
+ * @param d Generic descriptor pointer.
+ * @return atsc_content_advisory_descriptor pointer, or NULL on error.
+ */
+static inline struct atsc_content_advisory_descriptor*
+ atsc_content_advisory_descriptor_codec(struct descriptor* d)
+{
+ struct atsc_content_advisory_descriptor *ret =
+ (struct atsc_content_advisory_descriptor *) d;
+ uint8_t *buf = (uint8_t*) d + 2;
+ int pos = 0;
+ int idx;
+
+ if (d->len < 1)
+ return NULL;
+ pos++;
+
+ for(idx = 0; idx < ret->rating_region_count; idx++) {
+ if (d->len < (pos + sizeof(struct atsc_content_advisory_entry)))
+ return NULL;
+ struct atsc_content_advisory_entry *entry =
+ (struct atsc_content_advisory_entry *) (buf + pos);
+ pos += sizeof(struct atsc_content_advisory_entry);
+
+ if (d->len < (pos + (sizeof(struct atsc_content_advisory_entry_dimension) *
+ entry->rated_dimensions)))
+ return NULL;
+ pos += sizeof(struct atsc_content_advisory_entry_dimension) * entry->rated_dimensions;
+
+ if (d->len < (pos + sizeof(struct atsc_content_advisory_entry_part2)))
+ return NULL;
+ struct atsc_content_advisory_entry_part2 *part2 =
+ (struct atsc_content_advisory_entry_part2 *) (buf + pos);
+ pos += sizeof(struct atsc_content_advisory_entry_part2);
+
+ if (d->len < (pos + part2->rating_description_length))
+ return NULL;
+
+ if (atsc_text_validate(buf+pos, part2->rating_description_length))
+ return NULL;
+
+ pos += part2->rating_description_length;
+ }
+
+ return (struct atsc_content_advisory_descriptor*) d;
+}
+
+/**
+ * Iterator for entries field of a atsc_content_advisory_descriptor.
+ *
+ * @param d atsc_content_advisory_descriptor pointer.
+ * @param pos Variable holding a pointer to the current atsc_content_advisory_entry.
+ * @param idx Integer used to count which entry we are in.
+ */
+#define atsc_content_advisory_descriptor_entries_for_each(d, pos, idx) \
+ for ((pos) = atsc_content_advisory_descriptor_entries_first(d), idx=0; \
+ (pos); \
+ (pos) = atsc_content_advisory_descriptor_entries_next(d, pos, ++idx))
+
+/**
+ * Iterator for dimensions field of a atsc_content_advisory_entry.
+ *
+ * @param d atsc_content_advisory_entry pointer.
+ * @param pos Variable holding a pointer to the current atsc_content_advisory_entry_dimension.
+ * @param idx Integer used to count which dimension we are in.
+ */
+#define atsc_content_advisory_entry_dimensions_for_each(d, pos, idx) \
+ for ((pos) = atsc_content_advisory_entry_dimensions_first(d), idx=0; \
+ (pos); \
+ (pos) = atsc_content_advisory_entry_dimensions_next(d, pos, ++idx))
+
+/**
+ * Accessor for the part2 field of an atsc_content_advisory_entry.
+ *
+ * @param entry atsc_content_advisory_entry pointer.
+ * @return struct atsc_content_advisory_entry_part2 pointer.
+ */
+static inline struct atsc_content_advisory_entry_part2 *
+ atsc_content_advisory_entry_part2(struct atsc_content_advisory_entry *entry)
+{
+ int pos = sizeof(struct atsc_content_advisory_entry);
+ pos += entry->rated_dimensions * sizeof(struct atsc_content_advisory_entry_dimension);
+
+ return (struct atsc_content_advisory_entry_part2 *) (((uint8_t*) entry) + pos);
+}
+
+
+/**
+ * Accessor for the description field of an atsc_content_advisory_entry_part2.
+ *
+ * @param part2 atsc_content_advisory_entry_part2 pointer.
+ * @return Pointer to the atsc_text data, or NULL on error.
+ */
+static inline struct atsc_text*
+ atsc_content_advisory_entry_part2_description(struct atsc_content_advisory_entry_part2 *part2)
+{
+ uint8_t *txt = ((uint8_t*) part2) + sizeof(struct atsc_content_advisory_entry_part2);
+
+ return (struct atsc_text *) txt;
+}
+
+
+
+
+
+
+
+
+/******************************** PRIVATE CODE ********************************/
+static inline struct atsc_content_advisory_entry*
+ atsc_content_advisory_descriptor_entries_first(struct atsc_content_advisory_descriptor *d)
+{
+ if (d->rating_region_count == 0)
+ return NULL;
+
+ return (struct atsc_content_advisory_entry *)
+ ((uint8_t*) d + sizeof(struct atsc_content_advisory_descriptor));
+}
+
+static inline struct atsc_content_advisory_entry*
+ atsc_content_advisory_descriptor_entries_next(struct atsc_content_advisory_descriptor *d,
+ struct atsc_content_advisory_entry *pos,
+ int idx)
+{
+ if (idx >= d->rating_region_count)
+ return NULL;
+ struct atsc_content_advisory_entry_part2 *part2 =
+ atsc_content_advisory_entry_part2(pos);
+
+ return (struct atsc_content_advisory_entry *)
+ ((uint8_t *) part2 +
+ sizeof(struct atsc_content_advisory_entry_part2) +
+ part2->rating_description_length);
+}
+
+static inline struct atsc_content_advisory_entry_dimension*
+ atsc_content_advisory_entry_dimensions_first(struct atsc_content_advisory_entry *e)
+{
+ if (e->rated_dimensions == 0)
+ return NULL;
+
+ return (struct atsc_content_advisory_entry_dimension *)
+ ((uint8_t*) e + sizeof(struct atsc_content_advisory_entry));
+}
+
+static inline struct atsc_content_advisory_entry_dimension*
+ atsc_content_advisory_entry_dimensions_next(struct atsc_content_advisory_entry *e,
+ struct atsc_content_advisory_entry_dimension *pos,
+ int idx)
+{
+ uint8_t *next = (uint8_t *) pos + sizeof(struct atsc_content_advisory_entry_dimension);
+
+ if (idx >= e->rated_dimensions)
+ return NULL;
+ return (struct atsc_content_advisory_entry_dimension *) next;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/lib/libucsi/atsc/cvct_section.c b/lib/libucsi/atsc/cvct_section.c
new file mode 100644
index 0000000..6edbc03
--- /dev/null
+++ b/lib/libucsi/atsc/cvct_section.c
@@ -0,0 +1,77 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <libucsi/atsc/cvct_section.h>
+
+struct atsc_cvct_section *atsc_cvct_section_codec(struct atsc_section_psip *psip)
+{
+ uint8_t * buf = (uint8_t *) psip;
+ size_t pos = sizeof(struct atsc_section_psip);
+ size_t len = section_ext_length(&(psip->ext_head));
+ int idx;
+
+ if (len < sizeof(struct atsc_cvct_section))
+ return NULL;
+ struct atsc_cvct_section *cvct = (struct atsc_cvct_section *) psip;
+
+ pos++;
+ for(idx =0; idx < cvct->num_channels_in_section; idx++) {
+ if ((pos + sizeof(struct atsc_cvct_channel)) > len)
+ return NULL;
+ struct atsc_cvct_channel *channel = (struct atsc_cvct_channel *) (buf+pos);
+
+ pos += 7*2;
+
+ bswap32(buf+pos);
+ bswap32(buf+pos+4);
+ bswap16(buf+pos+8);
+ bswap16(buf+pos+10);
+ bswap16(buf+pos+12);
+ bswap16(buf+pos+14);
+ bswap16(buf+pos+16);
+ pos+=18;
+
+ if ((pos + channel->descriptors_length) > len)
+ return NULL;
+ if (verify_descriptors(buf + pos, channel->descriptors_length))
+ return NULL;
+
+ pos += channel->descriptors_length;
+ }
+
+ if ((pos + sizeof(struct atsc_cvct_section_part2)) > len)
+ return NULL;
+ struct atsc_cvct_section_part2 *part2 = (struct atsc_cvct_section_part2 *) (buf+pos);
+
+ bswap16(buf+pos);
+ pos+=2;
+
+ if ((pos + part2->descriptors_length) > len)
+ return NULL;
+ if (verify_descriptors(buf + pos, part2->descriptors_length))
+ return NULL;
+
+ pos += part2->descriptors_length;
+ if (pos != len)
+ return NULL;
+
+ return (struct atsc_cvct_section *) psip;
+}
diff --git a/lib/libucsi/atsc/cvct_section.h b/lib/libucsi/atsc/cvct_section.h
new file mode 100644
index 0000000..c3d418a
--- /dev/null
+++ b/lib/libucsi/atsc/cvct_section.h
@@ -0,0 +1,228 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _UCSI_ATSC_CVCT_SECTION_H
+#define _UCSI_ATSC_CVCT_SECTION_H 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/atsc/section.h>
+
+/**
+ * atsc_cvct_section structure.
+ */
+struct atsc_cvct_section {
+ struct atsc_section_psip head;
+
+ uint8_t num_channels_in_section;
+ /* struct atsc_cvct_channel channels[] */
+ /* struct atsc_cvct_channel_part2 part2 */
+} __ucsi_packed;
+
+struct atsc_cvct_channel {
+ uint16_t short_name[7]; // UTF-16 network ordered
+ EBIT4(uint32_t reserved : 4; ,
+ uint32_t major_channel_number :10; ,
+ uint32_t minor_channel_number :10; ,
+ uint32_t modulation_mode : 8; );
+ uint32_t carrier_frequency;
+ uint16_t channel_TSID;
+ uint16_t program_number;
+ EBIT8(uint16_t ETM_location : 2; ,
+ uint16_t access_controlled : 1; ,
+ uint16_t hidden : 1; ,
+ uint16_t path_select : 1; ,
+ uint16_t out_of_band : 1; ,
+ uint16_t hide_guide : 1; ,
+ uint16_t reserved2 : 3; ,
+ uint16_t service_type : 6; );
+ uint16_t source_id;
+ EBIT2(uint16_t reserved3 : 6; ,
+ uint16_t descriptors_length :10; );
+ /* struct descriptor descriptors[] */
+} __ucsi_packed;
+
+struct atsc_cvct_section_part2 {
+ EBIT2(uint16_t reserved : 6; ,
+ uint16_t descriptors_length :10; );
+ /* struct descriptor descriptors[] */
+} __ucsi_packed;
+
+static inline struct atsc_cvct_channel *atsc_cvct_section_channels_first(struct atsc_cvct_section *cvct);
+static inline struct atsc_cvct_channel *
+ atsc_cvct_section_channels_next(struct atsc_cvct_section *cvct, struct atsc_cvct_channel *pos, int idx);
+
+/**
+ * Process a atsc_cvct_section.
+ *
+ * @param section Pointer to anj atsc_section_psip structure.
+ * @return atsc_cvct_section pointer, or NULL on error.
+ */
+struct atsc_cvct_section *atsc_cvct_section_codec(struct atsc_section_psip *section);
+
+/**
+ * Accessor for the transport_stream_id field of a CVCT.
+ *
+ * @param cvdt CVDT pointer.
+ * @return The transport_stream_id.
+ */
+static inline uint16_t atsc_cvct_section_transport_stream_id(struct atsc_cvct_section *cvct)
+{
+ return cvct->head.ext_head.table_id_ext;
+}
+
+/**
+ * Iterator for the tables field in an atsc_cvct_section.
+ *
+ * @param mgt atsc_cvct_section pointer.
+ * @param pos Variable containing a pointer to the current atsc_cvct_channel.
+ * @param idx Integer used to count which table we in.
+ */
+#define atsc_cvct_section_channels_for_each(mgt, pos, idx) \
+ for ((pos) = atsc_cvct_section_channels_first(mgt), idx=0; \
+ (pos); \
+ (pos) = atsc_cvct_section_channels_next(mgt, pos, ++idx))
+
+/**
+ * Iterator for the descriptors field in a atsc_cvct_channel structure.
+ *
+ * @param table atsc_cvct_channel pointer.
+ * @param pos Variable containing a pointer to the current descriptor.
+ */
+#define atsc_cvct_channel_descriptors_for_each(table, pos) \
+ for ((pos) = atsc_cvct_channel_descriptors_first(table); \
+ (pos); \
+ (pos) = atsc_cvct_channel_descriptors_next(table, pos))
+
+/**
+ * Accessor for the second part of an atsc_cvct_section.
+ *
+ * @param mgt atsc_cvct_section pointer.
+ * @return atsc_cvct_section_part2 pointer.
+ */
+static inline struct atsc_cvct_section_part2 *
+ atsc_cvct_section_part2(struct atsc_cvct_section *mgt)
+{
+ int pos = sizeof(struct atsc_cvct_section);
+
+ struct atsc_cvct_channel *cur_table;
+ int idx;
+ atsc_cvct_section_channels_for_each(mgt, cur_table, idx) {
+ pos += sizeof(struct atsc_cvct_channel);
+ pos += cur_table->descriptors_length;
+ }
+
+ return (struct atsc_cvct_section_part2 *) (((uint8_t*) mgt) + pos);
+}
+
+/**
+ * Iterator for the descriptors field in a atsc_cvct_section structure.
+ *
+ * @param part2 atsc_cvct_section_part2 pointer.
+ * @param pos Variable containing a pointer to the current descriptor.
+ */
+#define atsc_cvct_section_part2_descriptors_for_each(part2, pos) \
+ for ((pos) = atsc_cvct_section_part2_descriptors_first(part2); \
+ (pos); \
+ (pos) = atsc_cvct_section_part2_descriptors_next(part2, pos))
+
+
+
+
+
+
+
+
+
+
+
+/******************************** PRIVATE CODE ********************************/
+static inline struct atsc_cvct_channel *
+ atsc_cvct_section_channels_first(struct atsc_cvct_section *cvct)
+{
+ size_t pos = sizeof(struct atsc_cvct_section);
+
+ if (cvct->num_channels_in_section == 0)
+ return NULL;
+
+ return (struct atsc_cvct_channel*) (((uint8_t *) cvct) + pos);
+}
+
+static inline struct atsc_cvct_channel *
+ atsc_cvct_section_channels_next(struct atsc_cvct_section *cvct,
+ struct atsc_cvct_channel *pos,
+ int idx)
+{
+ if (idx >= cvct->num_channels_in_section)
+ return NULL;
+
+ return (struct atsc_cvct_channel *)
+ (((uint8_t*) pos) + sizeof(struct atsc_cvct_channel) + pos->descriptors_length);
+}
+
+static inline struct descriptor *
+ atsc_cvct_channel_descriptors_first(struct atsc_cvct_channel *table)
+{
+ size_t pos = sizeof(struct atsc_cvct_channel);
+
+ if (table->descriptors_length == 0)
+ return NULL;
+
+ return (struct descriptor*) (((uint8_t *) table) + pos);
+}
+
+static inline struct descriptor *
+ atsc_cvct_channel_descriptors_next(struct atsc_cvct_channel *table,
+ struct descriptor *pos)
+{
+ return next_descriptor((uint8_t*) table + sizeof(struct atsc_cvct_channel),
+ table->descriptors_length,
+ pos);
+}
+
+static inline struct descriptor *
+ atsc_cvct_section_part2_descriptors_first(struct atsc_cvct_section_part2 *part2)
+{
+ size_t pos = sizeof(struct atsc_cvct_section_part2);
+
+ if (part2->descriptors_length == 0)
+ return NULL;
+
+ return (struct descriptor*) (((uint8_t *) part2) + pos);
+}
+
+static inline struct descriptor *
+ atsc_cvct_section_part2_descriptors_next(struct atsc_cvct_section_part2 *part2,
+ struct descriptor *pos)
+{
+ return next_descriptor((uint8_t*) part2 + sizeof(struct atsc_cvct_section_part2),
+ part2->descriptors_length,
+ pos);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/lib/libucsi/atsc/dcc_arriving_request_descriptor.h b/lib/libucsi/atsc/dcc_arriving_request_descriptor.h
new file mode 100644
index 0000000..af76eac
--- /dev/null
+++ b/lib/libucsi/atsc/dcc_arriving_request_descriptor.h
@@ -0,0 +1,107 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _UCSI_ATSC_DCC_ARRIVING_REQUEST_DESCRIPTOR
+#define _UCSI_ATSC_DCC_ARRIVING_REQUEST_DESCRIPTOR 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/descriptor.h>
+#include <libucsi/endianops.h>
+#include <libucsi/types.h>
+
+enum atsc_dcc_arriving_request_type {
+ DCC_ARRIVAL_TYPE_DEFER_10SEC = 0x01,
+ DCC_ARRIVAL_TYPE_DEFER = 0x02,
+};
+
+/**
+ * atsc_dcc_arriving_request_descriptor structure.
+ */
+struct atsc_dcc_arriving_request_descriptor {
+ struct descriptor d;
+
+ uint8_t dcc_arriving_request_type;
+ uint8_t dcc_arriving_request_text_length;
+ /* struct atsc_text text[] */
+} __ucsi_packed;
+
+/**
+ * Process an atsc_dcc_arriving_request_descriptor.
+ *
+ * @param d Generic descriptor pointer.
+ * @return atsc_dcc_arriving_request_descriptor pointer, or NULL on error.
+ */
+static inline struct atsc_dcc_arriving_request_descriptor*
+ atsc_dcc_arriving_request_descriptor_codec(struct descriptor* d)
+{
+ struct atsc_dcc_arriving_request_descriptor *ret =
+ (struct atsc_dcc_arriving_request_descriptor *) d;
+
+ if (d->len < 2)
+ return NULL;
+
+ if (d->len != 2 + ret->dcc_arriving_request_text_length)
+ return NULL;
+
+ if (atsc_text_validate((uint8_t*) d + sizeof(struct atsc_dcc_arriving_request_descriptor),
+ ret->dcc_arriving_request_text_length))
+ return NULL;
+
+ return (struct atsc_dcc_arriving_request_descriptor*) d;
+}
+
+/**
+ * Accessor for the text field of an atsc_dcc_arriving_request_descriptor.
+ *
+ * @param d atsc_dcc_arriving_request_descriptor pointer.
+ * @return Pointer to the atsc_text data, or NULL on error.
+ */
+static inline struct atsc_text*
+ atsc_dcc_arriving_request_descriptor_text(struct atsc_dcc_arriving_request_descriptor *d)
+{
+ uint8_t *txt = ((uint8_t*) d) + sizeof(struct atsc_dcc_arriving_request_descriptor);
+
+ return (struct atsc_text*) txt;
+}
+
+/**
+ * Accessor for the length of the text field of an atsc_dcc_arriving_request_descriptor.
+ *
+ * @param d atsc_dcc_arriving_request_descriptor pointer.
+ * @return The length in bytes.
+ */
+static inline int
+ atsc_dcc_arriving_request_descriptor_text_length(struct
+ atsc_dcc_arriving_request_descriptor *d)
+{
+ return d->d.len - 2;
+}
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/lib/libucsi/atsc/dcc_departing_request_descriptor.h b/lib/libucsi/atsc/dcc_departing_request_descriptor.h
new file mode 100644
index 0000000..851f0cc
--- /dev/null
+++ b/lib/libucsi/atsc/dcc_departing_request_descriptor.h
@@ -0,0 +1,108 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _UCSI_ATSC_DCC_DEPARTING_REQUEST_DESCRIPTOR
+#define _UCSI_ATSC_DCC_DEPARTING_REQUEST_DESCRIPTOR 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/descriptor.h>
+#include <libucsi/endianops.h>
+#include <libucsi/types.h>
+
+enum atsc_dcc_departing_request_type {
+ DCC_DEPART_TYPE_IMMEDIATE = 0x01,
+ DCC_DEPART_TYPE_DEFER_10SEC = 0x02,
+ DCC_DEPART_TYPE_DEFER = 0x03,
+};
+
+/**
+ * atsc_dcc_departing_request_descriptor structure.
+ */
+struct atsc_dcc_departing_request_descriptor {
+ struct descriptor d;
+
+ uint8_t dcc_departing_request_type;
+ uint8_t dcc_departing_request_text_length;
+ /* struct atsc_text text[] */
+} __ucsi_packed;
+
+/**
+ * Process an atsc_dcc_departing_request_descriptor.
+ *
+ * @param d Generic descriptor pointer.
+ * @return atsc_dcc_departing_request_descriptor pointer, or NULL on error.
+ */
+static inline struct atsc_dcc_departing_request_descriptor*
+ atsc_dcc_departing_request_descriptor_codec(struct descriptor* d)
+{
+ struct atsc_dcc_departing_request_descriptor *ret =
+ (struct atsc_dcc_departing_request_descriptor *) d;
+
+ if (d->len < 2)
+ return NULL;
+
+ if (d->len != 2 + ret->dcc_departing_request_text_length)
+ return NULL;
+
+ if (atsc_text_validate(((uint8_t*) d) + sizeof(struct atsc_dcc_departing_request_descriptor),
+ ret->dcc_departing_request_text_length))
+ return NULL;
+
+ return (struct atsc_dcc_departing_request_descriptor*) d;
+}
+
+/**
+ * Accessor for the text field of an atsc_dcc_departing_request_descriptor.
+ *
+ * @param d atsc_dcc_departing_request_descriptor pointer.
+ * @return Pointer to the atsc_text data, or NULL on error.
+ */
+static inline struct atsc_text*
+ atsc_dcc_departing_request_descriptor_text(struct atsc_dcc_departing_request_descriptor *d)
+{
+ uint8_t *txt = ((uint8_t*) d) + sizeof(struct atsc_dcc_departing_request_descriptor);
+
+ return (struct atsc_text*) txt;
+}
+
+/**
+ * Accessor for the length of the text field of an atsc_dcc_departing_request_descriptor.
+ *
+ * @param d atsc_dcc_departing_request_descriptor pointer.
+ * @return The length in bytes.
+ */
+static inline int
+ atsc_dcc_departing_request_descriptor_text_length(struct
+ atsc_dcc_departing_request_descriptor *d)
+{
+ return d->d.len - 2;
+}
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/lib/libucsi/atsc/dccsct_section.c b/lib/libucsi/atsc/dccsct_section.c
new file mode 100644
index 0000000..59ad069
--- /dev/null
+++ b/lib/libucsi/atsc/dccsct_section.c
@@ -0,0 +1,109 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <libucsi/atsc/dccsct_section.h>
+
+struct atsc_dccsct_section *atsc_dccsct_section_codec(struct atsc_section_psip *psip)
+{
+ uint8_t * buf = (uint8_t *) psip;
+ size_t pos = 0;
+ size_t len = section_ext_length(&(psip->ext_head));
+ int idx;
+
+ if (len < sizeof(struct atsc_dccsct_section))
+ return NULL;
+ struct atsc_dccsct_section *dccsct = (struct atsc_dccsct_section *) psip;
+
+ pos += sizeof(struct atsc_dccsct_section);
+ for(idx =0; idx < dccsct->updates_defined; idx++) {
+ if (len < (pos + sizeof(struct atsc_dccsct_update)))
+ return NULL;
+ struct atsc_dccsct_update *update = (struct atsc_dccsct_update *) (buf+pos);
+
+ pos += sizeof(struct atsc_dccsct_update);
+ if (len < (pos + update->update_data_length))
+ return NULL;
+
+ switch(update->update_type) {
+ case ATSC_DCCST_UPDATE_NEW_GENRE: {
+ int sublen = sizeof(struct atsc_dccsct_update_new_genre);
+ if (update->update_data_length < sublen)
+ return NULL;
+
+ if (atsc_text_validate(buf+pos+sublen, update->update_data_length - sublen))
+ return NULL;
+ break;
+ }
+ case ATSC_DCCST_UPDATE_NEW_STATE: {
+ int sublen = sizeof(struct atsc_dccsct_update_new_state);
+ if (update->update_data_length < sublen)
+ return NULL;
+
+ if (atsc_text_validate(buf+pos+sublen, update->update_data_length - sublen))
+ return NULL;
+ break;
+ }
+ case ATSC_DCCST_UPDATE_NEW_COUNTY: {
+ int sublen = sizeof(struct atsc_dccsct_update_new_county);
+ if (update->update_data_length < sublen)
+ return NULL;
+ bswap16(buf+pos+1);
+
+ if (atsc_text_validate(buf+pos+sublen, update->update_data_length - sublen))
+ return NULL;
+ break;
+ }
+ }
+
+ pos += update->update_data_length;
+ if (len < (pos + sizeof(struct atsc_dccsct_update_part2)))
+ return NULL;
+ struct atsc_dccsct_update_part2 *part2 = (struct atsc_dccsct_update_part2 *) buf + pos;
+
+ bswap16(buf+pos);
+
+ pos += sizeof(struct atsc_dccsct_update_part2);
+ if (len < (pos + part2->descriptors_length))
+ return NULL;
+ if (verify_descriptors(buf + pos, part2->descriptors_length))
+ return NULL;
+
+ pos += part2->descriptors_length;
+ }
+
+ if (len < (pos + sizeof(struct atsc_dccsct_section_part2)))
+ return NULL;
+ struct atsc_dccsct_section_part2 *part2 = (struct atsc_dccsct_section_part2 *) (buf+pos);
+
+ bswap16(buf+pos);
+
+ pos += sizeof(struct atsc_dccsct_section_part2);
+ if (len < (pos + part2->descriptors_length))
+ return NULL;
+ if (verify_descriptors(buf + pos, part2->descriptors_length))
+ return NULL;
+
+ pos += part2->descriptors_length;
+ if (pos != len)
+ return NULL;
+
+ return (struct atsc_dccsct_section *) psip;
+}
diff --git a/lib/libucsi/atsc/dccsct_section.h b/lib/libucsi/atsc/dccsct_section.h
new file mode 100644
index 0000000..f9f3522
--- /dev/null
+++ b/lib/libucsi/atsc/dccsct_section.h
@@ -0,0 +1,327 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _UCSI_ATSC_DCCSCT_SECTION_H
+#define _UCSI_ATSC_DCCSCT_SECTION_H 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/atsc/section.h>
+#include <libucsi/atsc/types.h>
+
+enum atsc_dccst_update_types {
+ ATSC_DCCST_UPDATE_NEW_GENRE = 0x01,
+ ATSC_DCCST_UPDATE_NEW_STATE = 0x02,
+ ATSC_DCCST_UPDATE_NEW_COUNTY = 0x03,
+};
+
+/**
+ * atsc_dccsct_section structure.
+ */
+struct atsc_dccsct_section {
+ struct atsc_section_psip head;
+
+ uint8_t updates_defined;
+ /* struct atsc_dccsct_update updates */
+ /* struct atsc_dccsct_section_part2 part2 */
+} __ucsi_packed;
+
+struct atsc_dccsct_update {
+ uint8_t update_type;
+ uint8_t update_data_length;
+ /* struct atsc_dccsct_update_XXX data -- depends on update_type */
+ /* struct atsc_dccsct_update_part2 part2 */
+} __ucsi_packed;
+
+struct atsc_dccsct_update_new_genre {
+ uint8_t genre_category_code;
+ /* atsc_text name */
+} __ucsi_packed;
+
+struct atsc_dccsct_update_new_state {
+ uint8_t dcc_state_location_code;
+ /* atsc_text name */
+} __ucsi_packed;
+
+struct atsc_dccsct_update_new_county {
+ uint8_t state_code;
+ EBIT2(uint16_t reserved : 6; ,
+ uint16_t dcc_county_location_code :10; );
+ /* atsc_text name */
+} __ucsi_packed;
+
+struct atsc_dccsct_update_part2 {
+ EBIT2(uint16_t reserved : 6; ,
+ uint16_t descriptors_length :10; );
+ /* struct descriptor descriptors[] */
+} __ucsi_packed;
+
+struct atsc_dccsct_section_part2 {
+ EBIT2(uint16_t reserved : 6; ,
+ uint16_t descriptors_length :10; );
+ /* struct descriptor descriptors[] */
+} __ucsi_packed;
+
+/**
+ * Process an atsc_dccsct_section.
+ *
+ * @param section Pointer to an atsc_section_psip structure.
+ * @return atsc_dccsct_section pointer, or NULL on error.
+ */
+struct atsc_dccsct_section *atsc_dccsct_section_codec(struct atsc_section_psip *section);
+
+/**
+ * Accessor for the dccsct_type field of a dccsct.
+ *
+ * @param dccsct dccsct pointer.
+ * @return The dccsct_type.
+ */
+static inline uint16_t atsc_dccsct_section_dccsct_type(struct atsc_dccsct_section *dccsct)
+{
+ return dccsct->head.ext_head.table_id_ext;
+}
+
+/**
+ * Iterator for the updates field in an atsc_dccsct_section.
+ *
+ * @param dccsct atsc_dccsct_section pointer.
+ * @param pos Variable containing a pointer to the current atsc_dccsct_update.
+ * @param idx Integer used to count which test we are in.
+ */
+#define atsc_dccsct_section_updates_for_each(dccsct, pos, idx) \
+ for ((pos) = atsc_dccsct_section_updates_first(dccsct), idx=0; \
+ (pos); \
+ (pos) = atsc_dccsct_section_updates_next(dccsct, pos, ++idx))
+
+/**
+ * Accessor for the data field of a new genre atsc_dccsct_update.
+ *
+ * @param update atsc_dccsct_update pointer.
+ * @return struct atsc_dccsct_update_new_genre pointer.
+ */
+static inline struct atsc_dccsct_update_new_genre *atsc_dccsct_update_new_genre(struct atsc_dccsct_update *update)
+{
+ if (update->update_type != ATSC_DCCST_UPDATE_NEW_GENRE)
+ return NULL;
+
+ return (struct atsc_dccsct_update_new_genre *)
+ (((uint8_t*) update) + sizeof(struct atsc_dccsct_update));
+}
+
+/**
+ * Accessor for the name field of an atsc_dccsct_update_new_genre.
+ *
+ * @param update atsc_dccsct_update_new_genre pointer.
+ * @return text pointer.
+ */
+static inline struct atsc_text *atsc_dccsct_update_new_genre_name(struct atsc_dccsct_update *update)
+{
+ if ((update->update_data_length - 1) == 0)
+ return NULL;
+
+ return (struct atsc_text *)
+ (((uint8_t*) update) + sizeof(struct atsc_dccsct_update_new_genre));
+}
+
+/**
+ * Accessor for the data field of a new state atsc_dccsct_update.
+ *
+ * @param update atsc_dccsct_update pointer.
+ * @return struct atsc_dccsct_update_new_state pointer.
+ */
+static inline struct atsc_dccsct_update_new_state *
+ atsc_dccsct_update_new_state(struct atsc_dccsct_update *update)
+{
+ if (update->update_type != ATSC_DCCST_UPDATE_NEW_STATE)
+ return NULL;
+
+ return (struct atsc_dccsct_update_new_state *)
+ (((uint8_t*) update) + sizeof(struct atsc_dccsct_update));
+}
+
+/**
+ * Accessor for the name field of an atsc_dccsct_update_new_state.
+ *
+ * @param update atsc_dccsct_update_new_state pointer.
+ * @return text pointer.
+ */
+static inline struct atsc_text *atsc_dccsct_update_new_state_name(struct atsc_dccsct_update *update)
+{
+ if ((update->update_data_length - 1) == 0)
+ return NULL;
+
+ return (struct atsc_text *)
+ (((uint8_t*) update) + sizeof(struct atsc_dccsct_update_new_state));
+}
+
+/**
+ * Accessor for the data field of a new county atsc_dccsct_update.
+ *
+ * @param update atsc_dccsct_update pointer.
+ * @return struct atsc_dccsct_update_new_county pointer.
+ */
+static inline struct atsc_dccsct_update_new_county *
+ atsc_dccsct_update_new_county(struct atsc_dccsct_update *update)
+{
+ if (update->update_type != ATSC_DCCST_UPDATE_NEW_COUNTY)
+ return NULL;
+
+ return (struct atsc_dccsct_update_new_county *)
+ (((uint8_t*) update) + sizeof(struct atsc_dccsct_update));
+}
+
+/**
+ * Accessor for the name field of an atsc_dccsct_update_new_county.
+ *
+ * @param update atsc_dccsct_update_new_county pointer.
+ * @return text pointer.
+ */
+static inline struct atsc_text *atsc_dccsct_update_new_county_name(struct atsc_dccsct_update *update)
+{
+ if ((update->update_data_length - 3) == 0)
+ return NULL;
+
+ return (struct atsc_text*)
+ (((uint8_t*) update) + sizeof(struct atsc_dccsct_update_new_county));
+}
+
+/**
+ * Accessor for the part2 field of an atsc_dccsct_update.
+ *
+ * @param update atsc_dccsct_update pointer.
+ * @return struct atsc_dccsct_test_part2 pointer.
+ */
+static inline struct atsc_dccsct_update_part2 *atsc_dccsct_update_part2(struct atsc_dccsct_update *update)
+{
+ int pos = sizeof(struct atsc_dccsct_update);
+ pos += update->update_data_length;
+
+ return (struct atsc_dccsct_update_part2 *) (((uint8_t*) update) + pos);
+}
+
+/**
+ * Iterator for the descriptors field in an atsc_dccsct_update_part2 structure.
+ *
+ * @param part2 atsc_dccsct_update_part2 pointer.
+ * @param pos Variable containing a pointer to the current descriptor.
+ */
+#define atsc_dccsct_update_part2_descriptors_for_each(part2, pos) \
+ for ((pos) = atsc_dccsct_update_part2_descriptors_first(part2); \
+ (pos); \
+ (pos) = atsc_dccsct_update_part2_descriptors_next(part2, pos))
+
+/**
+ * Iterator for the descriptors field in a atsc_dccsct_section_part2 structure.
+ *
+ * @param part2 atsc_dccsct_section_part2 pointer.
+ * @param pos Variable containing a pointer to the current descriptor.
+ */
+#define atsc_dccsct_section_part2_descriptors_for_each(part2, pos) \
+ for ((pos) = atsc_dccsct_section_part2_descriptors_first(part2); \
+ (pos); \
+ (pos) = atsc_dccsct_section_part2_descriptors_next(part2, pos))
+
+
+
+
+
+
+
+
+
+
+
+/******************************** PRIVATE CODE ********************************/
+static inline struct atsc_dccsct_update *
+ atsc_dccsct_section_updates_first(struct atsc_dccsct_section *dccsct)
+{
+ size_t pos = sizeof(struct atsc_dccsct_section);
+
+ if (dccsct->updates_defined == 0)
+ return NULL;
+
+ return (struct atsc_dccsct_update*) (((uint8_t *) dccsct) + pos);
+}
+
+static inline struct atsc_dccsct_update*
+ atsc_dccsct_section_updates_next(struct atsc_dccsct_section *dccsct,
+ struct atsc_dccsct_update *pos,
+ int idx)
+{
+ if (idx >= dccsct->updates_defined)
+ return NULL;
+
+ struct atsc_dccsct_update_part2 *part2 = atsc_dccsct_update_part2(pos);
+ int len = sizeof(struct atsc_dccsct_update_part2);
+ len += part2->descriptors_length;
+
+ return (struct atsc_dccsct_update *) (((uint8_t*) part2) + len);
+}
+
+static inline struct descriptor *
+ atsc_dccsct_update_part2_descriptors_first(struct atsc_dccsct_update_part2 *part2)
+{
+ size_t pos = sizeof(struct atsc_dccsct_update_part2);
+
+ if (part2->descriptors_length == 0)
+ return NULL;
+
+ return (struct descriptor*) (((uint8_t *) part2) + pos);
+}
+
+static inline struct descriptor *
+ atsc_dccsct_update_part2_descriptors_next(struct atsc_dccsct_update_part2 *part2,
+ struct descriptor *pos)
+{
+ return next_descriptor((uint8_t*) part2 + sizeof(struct atsc_dccsct_update_part2),
+ part2->descriptors_length,
+ pos);
+}
+
+static inline struct descriptor *
+ atsc_dccsct_section_part2_descriptors_first(struct atsc_dccsct_section_part2 *part2)
+{
+ size_t pos = sizeof(struct atsc_dccsct_section_part2);
+
+ if (part2->descriptors_length == 0)
+ return NULL;
+
+ return (struct descriptor*) (((uint8_t *) part2) + pos);
+}
+
+static inline struct descriptor *
+ atsc_dccsct_section_part2_descriptors_next(struct atsc_dccsct_section_part2 *part2,
+ struct descriptor *pos)
+{
+ return next_descriptor((uint8_t*) part2 + sizeof(struct atsc_dccsct_section_part2),
+ part2->descriptors_length,
+ pos);
+}
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/lib/libucsi/atsc/dcct_section.c b/lib/libucsi/atsc/dcct_section.c
new file mode 100644
index 0000000..7d0b83b
--- /dev/null
+++ b/lib/libucsi/atsc/dcct_section.c
@@ -0,0 +1,96 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <libucsi/atsc/dcct_section.h>
+
+struct atsc_dcct_section *atsc_dcct_section_codec(struct atsc_section_psip *psip)
+{
+ uint8_t * buf = (uint8_t *) psip;
+ size_t pos = 0;
+ size_t len = section_ext_length(&(psip->ext_head));
+ int testidx;
+ int termidx;
+
+ if (len < sizeof(struct atsc_dcct_section))
+ return NULL;
+ struct atsc_dcct_section *dcct = (struct atsc_dcct_section *) psip;
+
+ pos += sizeof(struct atsc_dcct_section);
+ for(testidx =0; testidx < dcct->dcc_test_count; testidx++) {
+ if (len < (pos + sizeof(struct atsc_dcct_test)))
+ return NULL;
+ struct atsc_dcct_test *test = (struct atsc_dcct_test *) (buf+pos);
+
+ bswap24(buf+pos);
+ bswap24(buf+pos+3);
+ bswap32(buf+pos+6);
+ bswap32(buf+pos+10);
+
+ pos += sizeof(struct atsc_dcct_test);
+ for(termidx =0; termidx < test->dcc_term_count; termidx++) {
+ if (len < (pos + sizeof(struct atsc_dcct_term)))
+ return NULL;
+ struct atsc_dcct_term *term = (struct atsc_dcct_term *) (buf+pos);
+
+ bswap64(buf+pos+1);
+ bswap16(buf+pos+9);
+
+ pos += sizeof(struct atsc_dcct_term);
+ if (len < (pos + term->descriptors_length))
+ return NULL;
+ if (verify_descriptors(buf + pos, term->descriptors_length))
+ return NULL;
+
+ pos += term->descriptors_length;
+ }
+
+ if (len < (pos + sizeof(struct atsc_dcct_test_part2)))
+ return NULL;
+ struct atsc_dcct_test_part2 *part2 = (struct atsc_dcct_test_part2 *) (buf+pos);
+
+ bswap16(buf+pos);
+
+ pos += sizeof(struct atsc_dcct_test_part2);
+ if (len < (pos + part2->descriptors_length))
+ return NULL;
+ if (verify_descriptors(buf + pos, part2->descriptors_length))
+ return NULL;
+ pos += part2->descriptors_length;
+ }
+
+ if (len < (pos + sizeof(struct atsc_dcct_section_part2)))
+ return NULL;
+ struct atsc_dcct_section_part2 *part2 = (struct atsc_dcct_section_part2 *) (buf+pos);
+
+ bswap16(buf+pos);
+
+ pos += sizeof(struct atsc_dcct_section_part2);
+ if (len < (pos + part2->descriptors_length))
+ return NULL;
+ if (verify_descriptors(buf + pos, part2->descriptors_length))
+ return NULL;
+
+ pos += part2->descriptors_length;
+ if (pos != len)
+ return NULL;
+
+ return (struct atsc_dcct_section *) psip;
+}
diff --git a/lib/libucsi/atsc/dcct_section.h b/lib/libucsi/atsc/dcct_section.h
new file mode 100644
index 0000000..647bd4b
--- /dev/null
+++ b/lib/libucsi/atsc/dcct_section.h
@@ -0,0 +1,380 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _UCSI_ATSC_DCCT_SECTION_H
+#define _UCSI_ATSC_DCCT_SECTION_H 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/atsc/section.h>
+#include <libucsi/atsc/types.h>
+
+enum atsc_dcc_context {
+ ATSC_DCC_CONTEXT_TEMPORARY_RETUNE = 0,
+ ATSC_DCC_CONTEXT_CHANNEL_REDIRECT = 1,
+};
+
+enum atsc_dcc_selection_type {
+ ATSC_DCC_SELECTION_UNCONDITIONAL_CHANNEL_CHANGE = 0x00,
+ ATSC_DCC_SELECTION_NUMERIC_POSTAL_CODE_INCLUSION = 0x01,
+ ATSC_DCC_SELECTION_ALPHANUMERIC_POSTAL_CODE_INCLUSION = 0x02,
+ ATSC_DCC_SELECTION_DEMOGRAPHIC_CATEGORY_ONE_OR_MORE = 0x05,
+ ATSC_DCC_SELECTION_DEMOGRAPHIC_CATEGORY_ALL = 0x06,
+ ATSC_DCC_SELECTION_GENRE_CATEGORY_ONE_OR_MORE = 0x07,
+ ATSC_DCC_SELECTION_GENRE_CATEGORY_ALL = 0x08,
+ ATSC_DCC_SELECTION_CANNOT_BE_AUTHORIZED = 0x09,
+ ATSC_DCC_SELECTION_GEOGRAPHIC_LOCATION_INCLUSION = 0x0c,
+ ATSC_DCC_SELECTION_RATING_BLOCKED = 0x0d,
+ ATSC_DCC_SELECTION_RETURN_TO_ORIGINAL_CHANNEL = 0x0f,
+ ATSC_DCC_SELECTION_NUMERIC_POSTAL_CODE_EXCLUSION = 0x11,
+ ATSC_DCC_SELECTION_ALPHANUMERIC_POSTAL_CODE_EXCLUSION = 0x12,
+ ATSC_DCC_SELECTION_DEMOGRAPHIC_CATEGORY_NOT_ONE_OR_MORE = 0x15,
+ ATSC_DCC_SELECTION_DEMOGRAPHIC_CATEGORY_NOT_ALL = 0x16,
+ ATSC_DCC_SELECTION_GENRE_CATEGORY_NOT_ONE_OR_MORE = 0x17,
+ ATSC_DCC_SELECTION_GENRE_CATEGORY_NOT_ALL = 0x18,
+ ATSC_DCC_SELECTION_GEOGRAPHIC_LOCATION_EXCLUSION = 0x1c,
+ ATSC_DCC_SELECTION_VIEWER_DIRECT_SELECT_A = 0x20,
+ ATSC_DCC_SELECTION_VIEWER_DIRECT_SELECT_B = 0x21,
+ ATSC_DCC_SELECTION_VIEWER_DIRECT_SELECT_C = 0x22,
+ ATSC_DCC_SELECTION_VIEWER_DIRECT_SELECT_D = 0x23,
+};
+
+/**
+ * atsc_dcct_section structure.
+ */
+struct atsc_dcct_section {
+ struct atsc_section_psip head;
+
+ uint8_t dcc_test_count;
+ /* struct atsc_dcct_test tests */
+ /* struct atsc_dcct_section_part2 part2 */
+} __ucsi_packed;
+
+struct atsc_dcct_test {
+ EBIT4(uint32_t dcc_context : 1; ,
+ uint32_t reserved : 3; ,
+ uint32_t dcc_from_major_channel_number :10; ,
+ uint32_t dcc_from_minor_channel_number :10; );
+ EBIT3(uint32_t reserved1 : 4; ,
+ uint32_t dcc_to_major_channel_number :10; ,
+ uint32_t dcc_to_minor_channel_number :10; );
+ atsctime_t start_time;
+ atsctime_t end_time;
+ uint8_t dcc_term_count;
+ /* struct atsc_dcct_term terms */
+ /* struct atsc_dcct_test_part2 part2 */
+} __ucsi_packed;
+
+struct atsc_dcct_term {
+ uint8_t dcc_selection_type;
+ uint64_t dcc_selection_id;
+ EBIT2(uint16_t reserved : 6; ,
+ uint16_t descriptors_length :10; );
+ /* struct descriptor descriptors[] */
+} __ucsi_packed;
+
+struct atsc_dcct_test_part2 {
+ EBIT2(uint16_t reserved : 6; ,
+ uint16_t descriptors_length :10; );
+ /* struct descriptor descriptors[] */
+} __ucsi_packed;
+
+struct atsc_dcct_section_part2 {
+ EBIT2(uint16_t reserved : 6; ,
+ uint16_t descriptors_length :10; );
+ /* struct descriptor descriptors[] */
+} __ucsi_packed;
+
+static inline struct atsc_dcct_test *
+ atsc_dcct_section_tests_first(struct atsc_dcct_section *dcct);
+static inline struct atsc_dcct_test *
+ atsc_dcct_section_tests_next(struct atsc_dcct_section *dcct,
+ struct atsc_dcct_test *pos,
+ int idx);
+static inline struct atsc_dcct_term *
+ atsc_dcct_test_terms_first(struct atsc_dcct_test *test);
+static inline struct atsc_dcct_term *
+ atsc_dcct_test_terms_next(struct atsc_dcct_test *test,
+ struct atsc_dcct_term *pos,
+ int idx);
+
+
+/**
+ * Process an atsc_dcct_section.
+ *
+ * @param section Pointer to an atsc_section_psip structure.
+ * @return atsc_dcct_section pointer, or NULL on error.
+ */
+struct atsc_dcct_section *atsc_dcct_section_codec(struct atsc_section_psip *section);
+
+/**
+ * Accessor for the dcc_subtype field of a dcct.
+ *
+ * @param dcct dcct pointer.
+ * @return The dcc_subtype.
+ */
+static inline uint8_t atsc_dcct_section_dcc_subtype(struct atsc_dcct_section *dcct)
+{
+ return dcct->head.ext_head.table_id_ext >> 8;
+}
+
+/**
+ * Accessor for the dcc_id field of a dcct.
+ *
+ * @param dcct dcct pointer.
+ * @return The dcc_id.
+ */
+static inline uint8_t atsc_dcct_section_dcc_id(struct atsc_dcct_section *dcct)
+{
+ return dcct->head.ext_head.table_id_ext & 0xff;
+}
+
+/**
+ * Iterator for the tests field in an atsc_dcct_section.
+ *
+ * @param dcct atsc_dcct_section pointer.
+ * @param pos Variable containing a pointer to the current atsc_dcct_test.
+ * @param idx Integer used to count which test we are in.
+ */
+#define atsc_dcct_section_tests_for_each(dcct, pos, idx) \
+ for ((pos) = atsc_dcct_section_tests_first(dcct), idx=0; \
+ (pos); \
+ (pos) = atsc_dcct_section_tests_next(dcct, pos, ++idx))
+
+/**
+ * Iterator for the terms field in an atsc_dcct_test.
+ *
+ * @param test atsc_dcct_test pointer.
+ * @param pos Variable containing a pointer to the current atsc_dcct_term.
+ * @param idx Integer used to count which test we are in.
+ */
+#define atsc_dcct_test_terms_for_each(test, pos, idx) \
+ for ((pos) = atsc_dcct_test_terms_first(test), idx=0; \
+ (pos); \
+ (pos) = atsc_dcct_test_terms_next(test, pos, ++idx))
+
+/**
+ * Iterator for the descriptors field in a atsc_dcct_term structure.
+ *
+ * @param term atsc_dcct_term pointer.
+ * @param pos Variable containing a pointer to the current descriptor.
+ */
+#define atsc_dcct_term_descriptors_for_each(term, pos) \
+ for ((pos) = atsc_dcct_term_descriptors_first(term); \
+ (pos); \
+ (pos) = atsc_dcct_term_descriptors_next(term, pos))
+
+/**
+ * Accessor for the part2 field of an atsc_dcct_test.
+ *
+ * @param test atsc_dcct_test pointer.
+ * @return struct atsc_dcct_test_part2 pointer.
+ */
+static inline struct atsc_dcct_test_part2 *atsc_dcct_test_part2(struct atsc_dcct_test *test)
+{
+ int pos = sizeof(struct atsc_dcct_test);
+
+ struct atsc_dcct_term *cur_term;
+ int idx;
+ atsc_dcct_test_terms_for_each(test, cur_term, idx) {
+ pos += sizeof(struct atsc_dcct_term);
+ pos += cur_term->descriptors_length;
+ }
+
+ return (struct atsc_dcct_test_part2 *) (((uint8_t*) test) + pos);
+}
+
+/**
+ * Iterator for the descriptors field in a atsc_dcct_test_part2 structure.
+ *
+ * @param term atsc_dcct_test_part2 pointer.
+ * @param pos Variable containing a pointer to the current descriptor.
+ */
+#define atsc_dcct_test_part2_descriptors_for_each(part2, pos) \
+ for ((pos) = atsc_dcct_test_part2_descriptors_first(part2); \
+ (pos); \
+ (pos) = atsc_dcct_test_part2_descriptors_next(part2, pos))
+
+/**
+ * Accessor for the part2 field of an atsc_dcct_section.
+ *
+ * @param dcct atsc_dcct_section pointer.
+ * @return struct atsc_dcct_section_part2 pointer.
+ */
+static inline struct atsc_dcct_section_part2 *atsc_dcct_section_part2(struct atsc_dcct_section *dcct)
+{
+ int pos = sizeof(struct atsc_dcct_section);
+
+ struct atsc_dcct_test *cur_test;
+ int testidx;
+ atsc_dcct_section_tests_for_each(dcct, cur_test, testidx) {
+ struct atsc_dcct_test_part2 *part2 = atsc_dcct_test_part2(cur_test);
+ pos += ((uint8_t*) part2 - (uint8_t*) cur_test);
+
+ pos += sizeof(struct atsc_dcct_test_part2);
+ pos += part2->descriptors_length;
+ }
+
+ return (struct atsc_dcct_section_part2 *) (((uint8_t*) dcct) + pos);
+}
+
+/**
+ * Iterator for the descriptors field in a atsc_dcct_section_part2 structure.
+ *
+ * @param part2 atsc_dcct_section_part2 pointer.
+ * @param pos Variable containing a pointer to the current descriptor.
+ */
+#define atsc_dcct_section_part2_descriptors_for_each(part2, pos) \
+ for ((pos) = atsc_dcct_section_part2_descriptors_first(part2); \
+ (pos); \
+ (pos) = atsc_dcct_section_part2_descriptors_next(part2, pos))
+
+
+
+
+
+
+
+
+
+
+
+/******************************** PRIVATE CODE ********************************/
+static inline struct atsc_dcct_test *
+ atsc_dcct_section_tests_first(struct atsc_dcct_section *dcct)
+{
+ size_t pos = sizeof(struct atsc_dcct_section);
+
+ if (dcct->dcc_test_count == 0)
+ return NULL;
+
+ return (struct atsc_dcct_test*) (((uint8_t *) dcct) + pos);
+}
+
+static inline struct atsc_dcct_test *
+ atsc_dcct_section_tests_next(struct atsc_dcct_section *dcct,
+ struct atsc_dcct_test *pos,
+ int idx)
+{
+ if (idx >= dcct->dcc_test_count)
+ return NULL;
+
+ struct atsc_dcct_test_part2 *part2 = atsc_dcct_test_part2(pos);
+ int len = sizeof(struct atsc_dcct_test_part2);
+ len += part2->descriptors_length;
+
+ return (struct atsc_dcct_test *) (((uint8_t*) part2) + len);
+}
+
+static inline struct atsc_dcct_term *
+ atsc_dcct_test_terms_first(struct atsc_dcct_test *test)
+{
+ size_t pos = sizeof(struct atsc_dcct_test);
+
+ if (test->dcc_term_count == 0)
+ return NULL;
+
+ return (struct atsc_dcct_term*) (((uint8_t *) test) + pos);
+}
+
+static inline struct atsc_dcct_term *
+ atsc_dcct_test_terms_next(struct atsc_dcct_test *test,
+ struct atsc_dcct_term *pos,
+ int idx)
+{
+ if (idx >= test->dcc_term_count)
+ return NULL;
+
+ int len = sizeof(struct atsc_dcct_term);
+ len += pos->descriptors_length;
+
+ return (struct atsc_dcct_term *) (((uint8_t*) pos) + len);
+}
+
+static inline struct descriptor *
+ atsc_dcct_term_descriptors_first(struct atsc_dcct_term *term)
+{
+ size_t pos = sizeof(struct atsc_dcct_term);
+
+ if (term->descriptors_length == 0)
+ return NULL;
+
+ return (struct descriptor*) (((uint8_t *) term) + pos);
+}
+
+static inline struct descriptor *
+ atsc_dcct_term_descriptors_next(struct atsc_dcct_term *term,
+ struct descriptor *pos)
+{
+ return next_descriptor((uint8_t*) term + sizeof(struct atsc_dcct_term),
+ term->descriptors_length,
+ pos);
+}
+
+static inline struct descriptor *
+ atsc_dcct_test_part2_descriptors_first(struct atsc_dcct_test_part2 *part2)
+{
+ size_t pos = sizeof(struct atsc_dcct_test_part2);
+
+ if (part2->descriptors_length == 0)
+ return NULL;
+
+ return (struct descriptor*) (((uint8_t *) part2) + pos);
+}
+
+static inline struct descriptor *
+ atsc_dcct_test_part2_descriptors_next(struct atsc_dcct_test_part2 *part2,
+ struct descriptor *pos)
+{
+ return next_descriptor((uint8_t*) part2 + sizeof(struct atsc_dcct_test_part2),
+ part2->descriptors_length,
+ pos);
+}
+
+static inline struct descriptor *
+ atsc_dcct_section_part2_descriptors_first(struct atsc_dcct_section_part2 *part2)
+{
+ size_t pos = sizeof(struct atsc_dcct_section_part2);
+
+ if (part2->descriptors_length == 0)
+ return NULL;
+
+ return (struct descriptor*) (((uint8_t *) part2) + pos);
+}
+
+static inline struct descriptor *
+ atsc_dcct_section_part2_descriptors_next(struct atsc_dcct_section_part2 *part2,
+ struct descriptor *pos)
+{
+ return next_descriptor((uint8_t*) part2 + sizeof(struct atsc_dcct_section_part2),
+ part2->descriptors_length,
+ pos);
+}
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/lib/libucsi/atsc/descriptor.h b/lib/libucsi/atsc/descriptor.h
new file mode 100644
index 0000000..a57176a
--- /dev/null
+++ b/lib/libucsi/atsc/descriptor.h
@@ -0,0 +1,68 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _UCSI_ATSC_DESCRIPTOR_H
+#define _UCSI_ATSC_DESCRIPTOR_H 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/endianops.h>
+#include <libucsi/atsc/stuffing_descriptor.h>
+#include <libucsi/atsc/ac3_descriptor.h>
+#include <libucsi/atsc/caption_service_descriptor.h>
+#include <libucsi/atsc/component_name_descriptor.h>
+#include <libucsi/atsc/content_advisory_descriptor.h>
+#include <libucsi/atsc/dcc_arriving_request_descriptor.h>
+#include <libucsi/atsc/dcc_departing_request_descriptor.h>
+#include <libucsi/atsc/extended_channel_name_descriptor.h>
+#include <libucsi/atsc/genre_descriptor.h>
+#include <libucsi/atsc/rc_descriptor.h>
+#include <libucsi/atsc/service_location_descriptor.h>
+#include <libucsi/atsc/time_shifted_service_descriptor.h>
+
+/**
+ * Enumeration of ATSC descriptor tags.
+ */
+enum atsc_descriptor_tag {
+ dtag_atsc_stuffing = 0x80,
+ dtag_atsc_ac3_audio = 0x81,
+ dtag_atsc_caption_service = 0x86,
+ dtag_atsc_content_advisory = 0x87,
+ dtag_atsc_extended_channel_name = 0xa0,
+ dtag_atsc_service_location = 0xa1,
+ dtag_atsc_time_shifted_service = 0xa2,
+ dtag_atsc_component_name = 0xa3,
+ dtag_atsc_dcc_departing_request = 0xa8,
+ dtag_atsc_dcc_arriving_request = 0xa9,
+ dtag_atsc_redistribution_control = 0xaa,
+ dtag_atsc_private_information = 0xad,
+ dtag_atsc_content_identifier = 0xb6,
+ dtag_atsc_genre = 0xab,
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/lib/libucsi/atsc/eit_section.c b/lib/libucsi/atsc/eit_section.c
new file mode 100644
index 0000000..48cdda6
--- /dev/null
+++ b/lib/libucsi/atsc/eit_section.c
@@ -0,0 +1,71 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <libucsi/atsc/eit_section.h>
+
+struct atsc_eit_section *atsc_eit_section_codec(struct atsc_section_psip *psip)
+{
+ uint8_t * buf = (uint8_t *) psip;
+ size_t pos = 0;
+ size_t len = section_ext_length(&(psip->ext_head));
+ int idx;
+
+ if (len < sizeof(struct atsc_eit_section))
+ return NULL;
+ struct atsc_eit_section *eit = (struct atsc_eit_section *) psip;
+
+ pos += sizeof(struct atsc_eit_section);
+ for(idx =0; idx < eit->num_events_in_section; idx++) {
+ if (len < (pos + sizeof(struct atsc_eit_event)))
+ return NULL;
+ struct atsc_eit_event *event = (struct atsc_eit_event *) (buf+pos);
+
+ bswap16(buf+pos);
+ bswap32(buf+pos+2);
+ bswap32(buf+pos+6);
+
+ pos += sizeof(struct atsc_eit_event);
+ if (len < (pos + event->title_length))
+ return NULL;
+ if (atsc_text_validate(buf+pos, event->title_length))
+ return NULL;
+
+ pos += event->title_length;
+ if (len < (pos + sizeof(struct atsc_eit_event_part2)))
+ return NULL;
+ struct atsc_eit_event_part2 *part2 = (struct atsc_eit_event_part2 *) (buf+pos);
+
+ bswap16(buf+pos);
+
+ pos += sizeof(struct atsc_eit_event_part2);
+ if (len < (pos + part2->descriptors_length))
+ return NULL;
+
+ if (verify_descriptors(buf + pos, part2->descriptors_length))
+ return NULL;
+ pos += part2->descriptors_length;
+ }
+
+ if (pos != len)
+ return NULL;
+
+ return (struct atsc_eit_section *) psip;
+}
diff --git a/lib/libucsi/atsc/eit_section.h b/lib/libucsi/atsc/eit_section.h
new file mode 100644
index 0000000..84bef16
--- /dev/null
+++ b/lib/libucsi/atsc/eit_section.h
@@ -0,0 +1,191 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _UCSI_ATSC_EIT_SECTION_H
+#define _UCSI_ATSC_EIT_SECTION_H 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/atsc/section.h>
+#include <libucsi/atsc/types.h>
+
+/**
+ * atsc_eit_section structure.
+ */
+struct atsc_eit_section {
+ struct atsc_section_psip head;
+
+ uint8_t num_events_in_section;
+ /* struct atsc_eit_event events[] */
+} __ucsi_packed;
+
+struct atsc_eit_event {
+ EBIT2(uint16_t reserved : 2; ,
+ uint16_t event_id :14; );
+ atsctime_t start_time;
+ EBIT4(uint32_t reserved1 : 2; ,
+ uint32_t ETM_location : 2; ,
+ uint32_t length_in_seconds :20; ,
+ uint32_t title_length : 8; );
+ /* struct atsc_text title_text */
+ /* struct atsc_eit_event_part2 part2 */
+} __ucsi_packed;
+
+struct atsc_eit_event_part2 {
+ EBIT2(uint16_t reserved : 4; ,
+ uint16_t descriptors_length :12; );
+ /* struct descriptor descriptors[] */
+} __ucsi_packed;
+
+
+/**
+ * Process a atsc_eit_section.
+ *
+ * @param section Pointer to an atsc_section_psip structure.
+ * @return atsc_eit_section pointer, or NULL on error.
+ */
+struct atsc_eit_section *atsc_eit_section_codec(struct atsc_section_psip *section);
+
+/**
+ * Accessor for the source_id field of an EIT.
+ *
+ * @param eit EIT pointer.
+ * @return The source_id .
+ */
+static inline uint16_t atsc_eit_section_source_id(struct atsc_eit_section *eit)
+{
+ return eit->head.ext_head.table_id_ext;
+}
+
+/**
+ * Iterator for the events field in an atsc_eit_section.
+ *
+ * @param eit atsc_eit_section pointer.
+ * @param pos Variable containing a pointer to the current atsc_eit_event.
+ * @param idx Integer used to count which event we are in.
+ */
+#define atsc_eit_section_events_for_each(eit, pos, idx) \
+ for ((pos) = atsc_eit_section_events_first(eit), idx=0; \
+ (pos); \
+ (pos) = atsc_eit_section_events_next(eit, pos, ++idx))
+
+/**
+ * Accessor for the title_text field of an atsc_eit_event.
+ *
+ * @param event atsc_eit_event pointer.
+ * @return struct atsc_text pointer, or NULL on error.
+ */
+static inline struct atsc_text *atsc_eit_event_name_title_text(struct atsc_eit_event *event)
+{
+ if (event->title_length == 0)
+ return NULL;
+
+ return (struct atsc_text*)(((uint8_t*) event) + sizeof(struct atsc_eit_event));
+}
+
+/**
+ * Accessor for the part2 field of an atsc_eit_event.
+ *
+ * @param event atsc_eit_event pointer.
+ * @return struct atsc_eit_event_part2 pointer.
+ */
+static inline struct atsc_eit_event_part2 *atsc_eit_event_part2(struct atsc_eit_event *event)
+{
+ return (struct atsc_eit_event_part2 *)
+ (((uint8_t*) event) + sizeof(struct atsc_eit_event) + event->title_length);
+}
+
+/**
+ * Iterator for the descriptors field in a atsc_eit_section structure.
+ *
+ * @param part2 atsc_eit_event_part2 pointer.
+ * @param pos Variable containing a pointer to the current descriptor.
+ */
+#define atsc_eit_event_part2_descriptors_for_each(part2, pos) \
+ for ((pos) = atsc_eit_event_part2_descriptors_first(part2); \
+ (pos); \
+ (pos) = atsc_eit_event_part2_descriptors_next(part2, pos))
+
+
+
+
+
+
+
+
+
+
+
+/******************************** PRIVATE CODE ********************************/
+static inline struct atsc_eit_event *
+ atsc_eit_section_events_first(struct atsc_eit_section *eit)
+{
+ size_t pos = sizeof(struct atsc_eit_section);
+
+ if (eit->num_events_in_section == 0)
+ return NULL;
+
+ return (struct atsc_eit_event*) (((uint8_t *) eit) + pos);
+}
+
+static inline struct atsc_eit_event *
+ atsc_eit_section_events_next(struct atsc_eit_section *eit,
+ struct atsc_eit_event *pos,
+ int idx)
+{
+ if (idx >= eit->num_events_in_section)
+ return NULL;
+
+ struct atsc_eit_event_part2 *part2 = atsc_eit_event_part2(pos);
+ int len = sizeof(struct atsc_eit_event_part2);
+ len += part2->descriptors_length;
+
+ return (struct atsc_eit_event *) (((uint8_t*) part2) + len);
+}
+
+static inline struct descriptor *
+ atsc_eit_event_part2_descriptors_first(struct atsc_eit_event_part2 *part2)
+{
+ size_t pos = sizeof(struct atsc_eit_event_part2);
+
+ if (part2->descriptors_length == 0)
+ return NULL;
+
+ return (struct descriptor*) (((uint8_t *) part2) + pos);
+}
+
+static inline struct descriptor *
+ atsc_eit_event_part2_descriptors_next(struct atsc_eit_event_part2 *part2,
+ struct descriptor *pos)
+{
+ return next_descriptor((uint8_t*) part2 + sizeof(struct atsc_eit_event_part2),
+ part2->descriptors_length,
+ pos);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/lib/libucsi/atsc/ett_section.c b/lib/libucsi/atsc/ett_section.c
new file mode 100644
index 0000000..ab2ff9c
--- /dev/null
+++ b/lib/libucsi/atsc/ett_section.c
@@ -0,0 +1,42 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <libucsi/atsc/ett_section.h>
+#include <libucsi/atsc/types.h>
+
+struct atsc_ett_section *atsc_ett_section_codec(struct atsc_section_psip *psip)
+{
+ uint8_t * buf = (uint8_t *) psip;
+ size_t pos = sizeof(struct atsc_section_psip);
+ size_t len = section_ext_length(&(psip->ext_head));
+
+ if (len < sizeof(struct atsc_ett_section))
+ return NULL;
+
+ bswap32(buf + pos);
+ pos += 4;
+
+ if (atsc_text_validate(buf + pos,
+ section_ext_length(&psip->ext_head) - sizeof(struct atsc_ett_section)))
+ return NULL;
+
+ return (struct atsc_ett_section *) psip;
+}
diff --git a/lib/libucsi/atsc/ett_section.h b/lib/libucsi/atsc/ett_section.h
new file mode 100644
index 0000000..e2bb510
--- /dev/null
+++ b/lib/libucsi/atsc/ett_section.h
@@ -0,0 +1,91 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _UCSI_ATSC_ETT_SECTION_H
+#define _UCSI_ATSC_ETT_SECTION_H 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/atsc/section.h>
+
+enum atsc_etm_type {
+ ATSC_ETM_CHANNEL = 0x00,
+ ATSC_ETM_EVENT = 0x02,
+};
+
+/**
+ * atsc_ett_section structure.
+ */
+struct atsc_ett_section {
+ struct atsc_section_psip head;
+
+ EBIT3(uint32_t ETM_source_id :16; ,
+ uint32_t ETM_sub_id :14; ,
+ uint32_t ETM_type : 2; );
+ /* struct atsc_text extended_text_message */
+} __ucsi_packed;
+
+/**
+ * Process a atsc_ett_section.
+ *
+ * @param section Pointer to an atsc_section_psip structure.
+ * @return atsc_ett_section pointer, or NULL on error.
+ */
+struct atsc_ett_section *atsc_ett_section_codec(struct atsc_section_psip *section);
+
+/**
+ * Accessor for the extended_text_message part of an atsc_ett_section.
+ *
+ * @param ett atsc_ett_section pointer.
+ * @return atsc_text pointer, or NULL on error.
+ */
+static inline struct atsc_text*
+ atsc_ett_section_extended_text_message(struct atsc_ett_section *ett)
+{
+ int pos = sizeof(struct atsc_ett_section);
+ int len = section_ext_length(&ett->head.ext_head) - sizeof(struct atsc_ett_section);
+
+ if (len == 0)
+ return NULL;
+
+ return (struct atsc_text*)(((uint8_t*) ett) + pos);
+}
+
+/**
+ * Accessor for the extended_text_message part of an atsc_ett_section.
+ *
+ * @param ett atsc_ett_section pointer.
+ * @return The length.
+ */
+static inline int
+ atsc_ett_section_extended_text_message_length(struct atsc_ett_section *ett)
+{
+ return section_ext_length(&ett->head.ext_head) - sizeof(struct atsc_ett_section);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/lib/libucsi/atsc/extended_channel_name_descriptor.h b/lib/libucsi/atsc/extended_channel_name_descriptor.h
new file mode 100644
index 0000000..d0b714b
--- /dev/null
+++ b/lib/libucsi/atsc/extended_channel_name_descriptor.h
@@ -0,0 +1,92 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _UCSI_ATSC_EXTENDED_CHANNEL_NAME_DESCRIPTOR
+#define _UCSI_ATSC_EXTENDED_CHANNEL_NAME_DESCRIPTOR 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/descriptor.h>
+#include <libucsi/endianops.h>
+#include <libucsi/types.h>
+#include <libucsi/atsc/types.h>
+
+/**
+ * atsc_extended_channel_name_descriptor structure.
+ */
+struct atsc_extended_channel_name_descriptor {
+ struct descriptor d;
+
+ /* struct atsc_text text[] */
+} __ucsi_packed;
+
+/**
+ * Process an atsc_extended_channel_name_descriptor.
+ *
+ * @param d Generic descriptor pointer.
+ * @return atsc_extended_channel_name_descriptor pointer, or NULL on error.
+ */
+static inline struct atsc_extended_channel_name_descriptor*
+ atsc_extended_channel_name_descriptor_codec(struct descriptor* d)
+{
+ if (atsc_text_validate(((uint8_t*) d) + sizeof(struct atsc_extended_channel_name_descriptor),
+ d->len))
+ return NULL;
+
+ return (struct atsc_extended_channel_name_descriptor*) d;
+}
+
+/**
+ * Accessor for the text field of an atsc_extended_channel_name_descriptor.
+ *
+ * @param d atsc_extended_channel_name_descriptor pointer.
+ * @return Pointer to the atsc_text data, or NULL on error.
+ */
+static inline struct atsc_text*
+ atsc_extended_channel_name_descriptor_text(struct atsc_extended_channel_name_descriptor *d)
+{
+ uint8_t *txt = ((uint8_t*) d) + sizeof(struct atsc_extended_channel_name_descriptor);
+
+ return (struct atsc_text*) txt;
+}
+
+/**
+ * Accessor for the length of the text field of an atsc_extended_channel_name_descriptor.
+ *
+ * @param d atsc_extended_channel_name_descriptor pointer.
+ * @return The length in bytes.
+ */
+static inline int
+ atsc_extended_channel_name_descriptor_text_length(struct
+ atsc_extended_channel_name_descriptor *d)
+{
+ return d->d.len;
+}
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/lib/libucsi/atsc/genre_descriptor.h b/lib/libucsi/atsc/genre_descriptor.h
new file mode 100644
index 0000000..a6fc542
--- /dev/null
+++ b/lib/libucsi/atsc/genre_descriptor.h
@@ -0,0 +1,82 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _UCSI_ATSC_GENRE_DESCRIPTOR
+#define _UCSI_ATSC_GENRE_DESCRIPTOR 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/descriptor.h>
+#include <libucsi/endianops.h>
+#include <libucsi/types.h>
+
+/**
+ * atsc_genre_descriptor structure.
+ */
+struct atsc_genre_descriptor {
+ struct descriptor d;
+
+ EBIT2(uint8_t reserved : 3; ,
+ uint8_t attribute_count : 5; );
+ /* uint8_t attributes[] */
+} __ucsi_packed;
+
+/**
+ * Process an atsc_genre_descriptor.
+ *
+ * @param d Generic descriptor pointer.
+ * @return atsc_genre_descriptor pointer, or NULL on error.
+ */
+static inline struct atsc_genre_descriptor*
+ atsc_genre_descriptor_codec(struct descriptor* d)
+{
+ struct atsc_genre_descriptor *ret =
+ (struct atsc_genre_descriptor *) d;
+
+ if (d->len < 1)
+ return NULL;
+
+ if (d->len != (1 + ret->attribute_count))
+ return NULL;
+
+ return (struct atsc_genre_descriptor*) d;
+}
+
+/**
+ * Accessor for the attributes field of an atsc_genre_descriptor.
+ *
+ * @param d atsc_genre_descriptor pointer.
+ * @return Pointer to the attributes.
+ */
+static inline uint8_t*
+ atsc_genre_descriptor_attributes(struct atsc_genre_descriptor *d)
+{
+ return ((uint8_t*) d) + sizeof(struct atsc_genre_descriptor);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/lib/libucsi/atsc/mgt_section.c b/lib/libucsi/atsc/mgt_section.c
new file mode 100644
index 0000000..bc6b3f2
--- /dev/null
+++ b/lib/libucsi/atsc/mgt_section.c
@@ -0,0 +1,76 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <libucsi/atsc/mgt_section.h>
+
+struct atsc_mgt_section *atsc_mgt_section_codec(struct atsc_section_psip *psip)
+{
+ uint8_t * buf = (uint8_t *) psip;
+ size_t pos = sizeof(struct atsc_section_psip);
+ size_t len = section_ext_length(&(psip->ext_head));
+ struct atsc_mgt_section *mgt = (struct atsc_mgt_section *) psip;
+ int i;
+
+ if (len < sizeof(struct atsc_mgt_section))
+ return NULL;
+
+ bswap16(buf + pos);
+ pos += 2;
+
+ // we cannot use the tables_defined value here because of the braindead ATSC spec!
+ for(i=0; i < mgt->tables_defined; i++) {
+ // we think we're still in the tables - process as normal
+ if ((pos + sizeof(struct atsc_mgt_table)) > len)
+ return NULL;
+ struct atsc_mgt_table *table = (struct atsc_mgt_table *) (buf+pos);
+
+ bswap16(buf+pos);
+ bswap16(buf+pos+2);
+ bswap32(buf+pos+5);
+ bswap16(buf+pos+9);
+
+ pos += sizeof(struct atsc_mgt_table);
+ if ((pos + table->table_type_descriptors_length) > len)
+ return NULL;
+ if (verify_descriptors(buf + pos, table->table_type_descriptors_length))
+ return NULL;
+
+ pos += table->table_type_descriptors_length;
+ }
+
+ if ((pos + sizeof(struct atsc_mgt_section_part2)) > len)
+ return NULL;
+ struct atsc_mgt_section_part2 *part2 = (struct atsc_mgt_section_part2 *) (buf+pos);
+
+ bswap16(buf+pos);
+
+ pos += sizeof(struct atsc_mgt_section_part2);
+ if ((pos + part2->descriptors_length) > len)
+ return NULL;
+ if (verify_descriptors(buf + pos, part2->descriptors_length))
+ return NULL;
+ pos += part2->descriptors_length;
+
+ if (pos != len)
+ return NULL;
+
+ return (struct atsc_mgt_section *) psip;
+}
diff --git a/lib/libucsi/atsc/mgt_section.h b/lib/libucsi/atsc/mgt_section.h
new file mode 100644
index 0000000..3102a54
--- /dev/null
+++ b/lib/libucsi/atsc/mgt_section.h
@@ -0,0 +1,215 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _UCSI_ATSC_MGT_SECTION_H
+#define _UCSI_ATSC_MGT_SECTION_H 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/atsc/section.h>
+
+enum atsc_mgt_section_table_type {
+ ATSC_MGT_TABLE_TYPE_TVCT_CURRENT = 0,
+ ATSC_MGT_TABLE_TYPE_TVCT_NEXT = 1,
+ ATSC_MGT_TABLE_TYPE_CVCT_CURRENT = 2,
+ ATSC_MGT_TABLE_TYPE_CVCT_NEXT = 3,
+ ATSC_MGT_TABLE_TYPE_CHANNEL_ETT = 4,
+ ATSC_MGT_TABLE_TYPE_DCCSCT = 5,
+};
+
+/**
+ * atsc_mgt_section structure.
+ */
+struct atsc_mgt_section {
+ struct atsc_section_psip head;
+
+ uint16_t tables_defined;
+ /* struct atsc_mgt_table tables[] */
+ /* struct atsc_mgt_section_part2 part2 */
+} __ucsi_packed;
+
+struct atsc_mgt_table {
+ uint16_t table_type;
+ EBIT2(uint16_t reserved : 3; ,
+ uint16_t table_type_PID :13; );
+ EBIT2(uint8_t reserved1 : 3; ,
+ uint8_t table_type_version_number : 5; );
+ uint32_t number_bytes;
+ EBIT2(uint16_t reserved2 : 4; ,
+ uint16_t table_type_descriptors_length :12; );
+ /* struct descriptor descriptors[] */
+} __ucsi_packed;
+
+struct atsc_mgt_section_part2 {
+ EBIT2(uint16_t reserved : 4; ,
+ uint16_t descriptors_length :12; );
+ /* struct descriptor descriptors[] */
+} __ucsi_packed;
+
+static inline struct atsc_mgt_table * atsc_mgt_section_tables_first(struct atsc_mgt_section *mgt);
+static inline struct atsc_mgt_table *
+ atsc_mgt_section_tables_next(struct atsc_mgt_section *mgt, struct atsc_mgt_table *pos, int idx);
+
+/**
+ * Process a atsc_mgt_section.
+ *
+ * @param section Pointer to an atsc_section_psip structure.
+ * @return atsc_mgt_section pointer, or NULL on error.
+ */
+struct atsc_mgt_section *atsc_mgt_section_codec(struct atsc_section_psip *section);
+
+/**
+ * Iterator for the tables field in an atsc_mgt_section.
+ *
+ * @param mgt atsc_mgt_section pointer.
+ * @param pos Variable containing a pointer to the current atsc_mgt_table.
+ * @param idx Integer used to count which table we in.
+ */
+#define atsc_mgt_section_tables_for_each(mgt, pos, idx) \
+ for ((pos) = atsc_mgt_section_tables_first(mgt), idx=0; \
+ (pos); \
+ (pos) = atsc_mgt_section_tables_next(mgt, pos, ++idx))
+
+/**
+ * Iterator for the descriptors field in a atsc_mgt_table structure.
+ *
+ * @param table atsc_mgt_table pointer.
+ * @param pos Variable containing a pointer to the current descriptor.
+ */
+#define atsc_mgt_table_descriptors_for_each(table, pos) \
+ for ((pos) = atsc_mgt_table_descriptors_first(table); \
+ (pos); \
+ (pos) = atsc_mgt_table_descriptors_next(table, pos))
+
+/**
+ * Accessor for the second part of an atsc_mgt_section.
+ *
+ * @param mgt atsc_mgt_section pointer.
+ * @return atsc_mgt_section_part2 pointer.
+ */
+static inline struct atsc_mgt_section_part2 *
+ atsc_mgt_section_part2(struct atsc_mgt_section *mgt)
+{
+ int pos = sizeof(struct atsc_mgt_section);
+
+ struct atsc_mgt_table *cur_table;
+ int idx;
+ atsc_mgt_section_tables_for_each(mgt, cur_table, idx) {
+ pos += sizeof(struct atsc_mgt_table);
+ pos += cur_table->table_type_descriptors_length;
+ }
+
+ return (struct atsc_mgt_section_part2 *) (((uint8_t*) mgt) + pos);
+}
+
+/**
+ * Iterator for the descriptors field in a atsc_mgt_section structure.
+ *
+ * @param part2 atsc_mgt_section_part2 pointer.
+ * @param pos Variable containing a pointer to the current descriptor.
+ */
+#define atsc_mgt_section_part2_descriptors_for_each(part2, pos) \
+ for ((pos) = atsc_mgt_section_part2_descriptors_first(part2); \
+ (pos); \
+ (pos) = atsc_mgt_section_part2_descriptors_next(part2, pos))
+
+
+
+
+
+
+
+
+
+
+
+/******************************** PRIVATE CODE ********************************/
+static inline struct atsc_mgt_table *
+ atsc_mgt_section_tables_first(struct atsc_mgt_section *mgt)
+{
+ size_t pos = sizeof(struct atsc_mgt_section);
+
+ if (mgt->tables_defined == 0)
+ return NULL;
+
+ return (struct atsc_mgt_table*) (((uint8_t *) mgt) + pos);
+}
+
+static inline struct atsc_mgt_table *
+ atsc_mgt_section_tables_next(struct atsc_mgt_section *mgt,
+ struct atsc_mgt_table *pos,
+ int idx)
+{
+ if (idx >= mgt->tables_defined)
+ return NULL;
+
+ return (struct atsc_mgt_table *)
+ (((uint8_t*) pos) + sizeof(struct atsc_mgt_table) + pos->table_type_descriptors_length);
+}
+
+static inline struct descriptor *
+ atsc_mgt_table_descriptors_first(struct atsc_mgt_table *table)
+{
+ size_t pos = sizeof(struct atsc_mgt_table);
+
+ if (table->table_type_descriptors_length == 0)
+ return NULL;
+
+ return (struct descriptor*) (((uint8_t *) table) + pos);
+}
+
+static inline struct descriptor *
+ atsc_mgt_table_descriptors_next(struct atsc_mgt_table *table,
+ struct descriptor *pos)
+{
+ return next_descriptor((uint8_t*) table + sizeof(struct atsc_mgt_table),
+ table->table_type_descriptors_length,
+ pos);
+}
+
+static inline struct descriptor *
+ atsc_mgt_section_part2_descriptors_first(struct atsc_mgt_section_part2 *part2)
+{
+ size_t pos = sizeof(struct atsc_mgt_section_part2);
+
+ if (part2->descriptors_length == 0)
+ return NULL;
+
+ return (struct descriptor*) (((uint8_t *) part2) + pos);
+}
+
+static inline struct descriptor *
+ atsc_mgt_section_part2_descriptors_next(struct atsc_mgt_section_part2 *part2,
+ struct descriptor *pos)
+{
+ return next_descriptor((uint8_t*) part2 + sizeof(struct atsc_mgt_section_part2),
+ part2->descriptors_length,
+ pos);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/lib/libucsi/atsc/rc_descriptor.h b/lib/libucsi/atsc/rc_descriptor.h
new file mode 100644
index 0000000..4fb0e8e
--- /dev/null
+++ b/lib/libucsi/atsc/rc_descriptor.h
@@ -0,0 +1,83 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _UCSI_ATSC_RC_DESCRIPTOR
+#define _UCSI_ATSC_RC_DESCRIPTOR 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/descriptor.h>
+#include <libucsi/endianops.h>
+#include <libucsi/types.h>
+
+/**
+ * atsc_rc_descriptor structure.
+ */
+struct atsc_rc_descriptor {
+ struct descriptor d;
+
+ /* uint8_t info[] */
+} __ucsi_packed;
+
+/**
+ * Process an atsc_rc_descriptor.
+ *
+ * @param d Generic descriptor pointer.
+ * @return atsc_rc_descriptor pointer, or NULL on error.
+ */
+static inline struct atsc_rc_descriptor*
+ atsc_rc_descriptor_codec(struct descriptor* d)
+{
+ return (struct atsc_rc_descriptor*) d;
+}
+
+/**
+ * Accessor for the info field of an atsc_rc_descriptor.
+ *
+ * @param d atsc_rc_descriptor pointer.
+ * @return Pointer to the atsc_text data.
+ */
+static inline uint8_t*
+ atsc_rc_descriptor_info(struct atsc_rc_descriptor *d)
+{
+ return ((uint8_t*) d) + sizeof(struct atsc_rc_descriptor);
+}
+
+/**
+ * Accessor for the length of the info field of an atsc_rc_descriptor.
+ *
+ * @param d atsc_rc_descriptor pointer.
+ * @return The length
+ */
+static inline int
+ atsc_rc_descriptor_info_length(struct atsc_rc_descriptor *d)
+{
+ return d->d.len;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/lib/libucsi/atsc/rrt_section.c b/lib/libucsi/atsc/rrt_section.c
new file mode 100644
index 0000000..6e96c3a
--- /dev/null
+++ b/lib/libucsi/atsc/rrt_section.c
@@ -0,0 +1,108 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <libucsi/atsc/rrt_section.h>
+
+struct atsc_rrt_section *atsc_rrt_section_codec(struct atsc_section_psip *psip)
+{
+ uint8_t * buf = (uint8_t *) psip;
+ size_t pos = 0;
+ size_t len = section_ext_length(&(psip->ext_head));
+ int idx;
+ int vidx;
+ struct atsc_rrt_section *rrt = (struct atsc_rrt_section *) psip;
+
+ if (len < sizeof(struct atsc_rrt_section))
+ return NULL;
+ pos += sizeof(struct atsc_rrt_section);
+
+ if (len < (pos + rrt->rating_region_name_length))
+ return NULL;
+ if (atsc_text_validate(buf+pos, rrt->rating_region_name_length))
+ return NULL;
+
+ pos += rrt->rating_region_name_length;
+ if (len < (pos + sizeof(struct atsc_rrt_section_part2)))
+ return NULL;
+ struct atsc_rrt_section_part2 *rrtpart2 = (struct atsc_rrt_section_part2 *) (buf+pos);
+
+ pos += sizeof(struct atsc_rrt_section_part2);
+ for(idx =0; idx < rrtpart2->dimensions_defined; idx++) {
+ if (len < (pos + sizeof(struct atsc_rrt_dimension)))
+ return NULL;
+ struct atsc_rrt_dimension *dimension = (struct atsc_rrt_dimension *) (buf+pos);
+
+ pos += sizeof(struct atsc_rrt_dimension);
+ if (len < (pos + dimension->dimension_name_length))
+ return NULL;
+ if (atsc_text_validate(buf+pos, dimension->dimension_name_length))
+ return NULL;
+
+ pos += dimension->dimension_name_length;
+ if (len < (pos + sizeof(struct atsc_rrt_dimension_part2)))
+ return NULL;
+ struct atsc_rrt_dimension_part2 *dpart2 = (struct atsc_rrt_dimension_part2 *) (buf+pos);
+
+ pos += sizeof(struct atsc_rrt_dimension_part2);
+ for(vidx =0; vidx < dpart2->values_defined; vidx++) {
+ if (len < (pos + sizeof(struct atsc_rrt_dimension_value)))
+ return NULL;
+ struct atsc_rrt_dimension_value *value = (struct atsc_rrt_dimension_value *) (buf+pos);
+
+ pos += sizeof(struct atsc_rrt_dimension_value);
+ if (len < (pos + value->abbrev_rating_value_length))
+ return NULL;
+ if (atsc_text_validate(buf+pos, value->abbrev_rating_value_length))
+ return NULL;
+
+ pos += value->abbrev_rating_value_length;
+ if (len < (pos + sizeof(struct atsc_rrt_dimension_value_part2)))
+ return NULL;
+ struct atsc_rrt_dimension_value_part2 *vpart2 =
+ (struct atsc_rrt_dimension_value_part2 *) (buf+pos);
+
+ pos += sizeof(struct atsc_rrt_dimension_value_part2);
+ if (len < (pos + vpart2->rating_value_length))
+ return NULL;
+ if (atsc_text_validate(buf+pos, vpart2->rating_value_length))
+ return NULL;
+
+ pos+= vpart2->rating_value_length;
+ }
+ }
+
+ if (len < (pos + sizeof(struct atsc_rrt_section_part3)))
+ return NULL;
+ struct atsc_rrt_section_part3 *part3 = (struct atsc_rrt_section_part3 *) (buf+pos);
+
+ pos += sizeof(struct atsc_rrt_section_part3);
+ if (len < (pos + part3->descriptors_length))
+ return NULL;
+
+ if (verify_descriptors(buf + pos, part3->descriptors_length))
+ return NULL;
+
+ pos += part3->descriptors_length;
+ if (pos != len)
+ return NULL;
+
+ return (struct atsc_rrt_section *) psip;
+}
diff --git a/lib/libucsi/atsc/rrt_section.h b/lib/libucsi/atsc/rrt_section.h
new file mode 100644
index 0000000..fba4596
--- /dev/null
+++ b/lib/libucsi/atsc/rrt_section.h
@@ -0,0 +1,379 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _UCSI_ATSC_RRT_SECTION_H
+#define _UCSI_ATSC_RRT_SECTION_H 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/atsc/section.h>
+#include <libucsi/atsc/types.h>
+
+/**
+ * atsc_rrt_section structure.
+ */
+struct atsc_rrt_section {
+ struct atsc_section_psip head;
+
+ uint8_t rating_region_name_length;
+ /* struct atsc_text rating_region_name_text */
+ /* struct atsc_rrt_section_part2 part2 */
+} __ucsi_packed;
+
+struct atsc_rrt_section_part2 {
+ uint8_t dimensions_defined;
+ /* struct atsc_rrt_dimension dimensions[] */
+ /* struct atsc_rrt_section_part3 part3 */
+} __ucsi_packed;
+
+struct atsc_rrt_dimension {
+ uint8_t dimension_name_length;
+ /* struct atsc_text dimension_name_text */
+ /* struct atsc_rrt_dimension_part2 part2 */
+} __ucsi_packed;
+
+struct atsc_rrt_dimension_part2 {
+ EBIT3(uint8_t reserved : 3; ,
+ uint8_t graduated_scale : 1; ,
+ uint8_t values_defined : 4; );
+ /* struct atsc_rrt_dimension_value values[] */
+} __ucsi_packed;
+
+struct atsc_rrt_dimension_value {
+ uint8_t abbrev_rating_value_length;
+ /* struct atsc_text abbrev_rating_value_text */
+ /* struct atsc_rrt_dimension_value_part2 */
+} __ucsi_packed;
+
+struct atsc_rrt_dimension_value_part2 {
+ uint8_t rating_value_length;
+ /* struct atsc_text rating_value_text */
+} __ucsi_packed;
+
+struct atsc_rrt_section_part3 {
+ EBIT2(uint16_t reserved : 6; ,
+ uint16_t descriptors_length :10; );
+ /* struct descriptor descriptors[] */
+} __ucsi_packed;
+
+
+static inline struct atsc_rrt_dimension *
+ atsc_rrt_section_dimensions_first(struct atsc_rrt_section_part2 *part2);
+static inline struct atsc_rrt_dimension *
+ atsc_rrt_section_dimensions_next(struct atsc_rrt_section_part2 *part2,
+ struct atsc_rrt_dimension *pos,
+ int idx);
+static inline struct atsc_rrt_dimension_value *
+ atsc_rrt_dimension_part2_values_first(struct atsc_rrt_dimension_part2 *part2);
+static inline struct atsc_rrt_dimension_value *
+ atsc_rrt_dimension_part2_values_next(struct atsc_rrt_dimension_part2 *part2,
+ struct atsc_rrt_dimension_value *pos,
+ int idx);
+
+/**
+ * Process a atsc_rrt_section.
+ *
+ * @param section Pointer to anj atsc_section_psip structure.
+ * @return atsc_rrt_section pointer, or NULL on error.
+ */
+struct atsc_rrt_section *atsc_rrt_section_codec(struct atsc_section_psip *section);
+
+/**
+ * Accessor for the rating_region field of an RRT.
+ *
+ * @param rrt RRT pointer.
+ * @return The transport_stream_id.
+ */
+static inline uint8_t atsc_rrt_section_rating_region(struct atsc_rrt_section *rrt)
+{
+ return rrt->head.ext_head.table_id_ext & 0xff;
+}
+
+/**
+ * Accessor for the rating_region_name_text field of an RRT.
+ *
+ * @param rrt RRT pointer.
+ * @return struct atsc_text pointer, or NULL.
+ */
+static inline struct atsc_text *atsc_rrt_section_rating_region_name_text(struct atsc_rrt_section *rrt)
+{
+ if (rrt->rating_region_name_length == 0)
+ return NULL;
+
+ return (struct atsc_text*)(((uint8_t*) rrt) + sizeof(struct atsc_rrt_section));
+}
+
+/**
+ * Accessor for the part2 field of an RRT.
+ *
+ * @param rrt RRT pointer.
+ * @return struct atsc_rrt_section_part2 pointer.
+ */
+static inline struct atsc_rrt_section_part2 *atsc_rrt_section_part2(struct atsc_rrt_section *rrt)
+{
+ return (struct atsc_rrt_section_part2 *)
+ (((uint8_t*) rrt) + sizeof(struct atsc_rrt_section) +
+ rrt->rating_region_name_length);
+}
+
+/**
+ * Iterator for the dimensions field in an atsc_rrt_section_part2.
+ *
+ * @param rrt atsc_rrt_section pointer.
+ * @param pos Variable containing a pointer to the current atsc_rrt_dimension.
+ * @param idx Integer used to count which dimension we are in.
+ */
+#define atsc_rrt_section_dimensions_for_each(rrt, pos, idx) \
+ for ((pos) = atsc_rrt_section_dimensions_first(rrt), idx=0; \
+ (pos); \
+ (pos) = atsc_rrt_section_dimensions_next(rrt, pos, ++idx))
+
+/**
+ * Accessor for the dimension_name_text field of an atsc_rrt_dimension.
+ *
+ * @param dimension atsc_rrt_dimension pointer.
+ * @return struct atsc_text pointer, or NULL on error.
+ */
+static inline struct atsc_text *atsc_rrt_dimension_name_text(struct atsc_rrt_dimension *dimension)
+{
+ if (dimension->dimension_name_length == 0)
+ return NULL;
+
+ return (struct atsc_text*)(((uint8_t*) dimension) + sizeof(struct atsc_rrt_dimension));
+}
+
+/**
+ * Accessor for the part2 field of an atsc_rrt_dimension.
+ *
+ * @param dimension atsc_rrt_dimension pointer.
+ * @return struct atsc_rrt_dimension_part2 pointer.
+ */
+static inline struct atsc_rrt_dimension_part2 *atsc_rrt_dimension_part2(struct atsc_rrt_dimension *dimension)
+{
+ return (struct atsc_rrt_dimension_part2 *)
+ (((uint8_t*) dimension) +
+ sizeof(struct atsc_rrt_dimension) +
+ dimension->dimension_name_length);
+}
+
+/**
+ * Iterator for the values field in a atsc_rrt_dimension_part2 structure.
+ *
+ * @param part2 atsc_rrt_dimension_part2 pointer.
+ * @param pos Variable containing a pointer to the current value.
+ * @param idx Integer used to count which value we are in
+ */
+#define atsc_rrt_dimension_part2_values_for_each(part2, pos, idx) \
+ for ((pos) = atsc_rrt_dimension_part2_values_first(part2), idx=0; \
+ (pos); \
+ (pos) = atsc_rrt_dimension_part2_values_next(part2, pos, ++idx))
+
+/**
+ * Accessor for the dimension_name_text field of an atsc_rrt_dimension.
+ *
+ * @param dimension atsc_rrt_dimension pointer.
+ * @return struct atsc_text pointer.
+ */
+static inline struct atsc_text *
+ atsc_rrt_dimension_value_abbrev_rating_value_text(struct atsc_rrt_dimension_value *value)
+{
+ if (value->abbrev_rating_value_length == 0)
+ return NULL;
+
+ return (struct atsc_text*)(((uint8_t*) value) + sizeof(struct atsc_rrt_dimension_value));
+}
+
+/**
+ * Accessor for the part2 field of an atsc_rrt_dimension_value.
+ *
+ * @param value atsc_rrt_dimension_value pointer.
+ * @return struct atsc_rrt_dimension_value_part2 pointer.
+ */
+static inline struct atsc_rrt_dimension_value_part2 *atsc_rrt_dimension_value_part2(struct atsc_rrt_dimension_value *value)
+{
+ return (struct atsc_rrt_dimension_value_part2 *)
+ (((uint8_t*) value) +
+ sizeof(struct atsc_rrt_dimension_value) +
+ value->abbrev_rating_value_length);
+}
+
+/**
+ * Accessor for the rating_value_text field of an atsc_rrt_dimension_value_part2.
+ *
+ * @param part2 atsc_rrt_dimension_value_part2 pointer.
+ * @return struct atsc_text pointer.
+ */
+static inline struct atsc_text *atsc_rrt_dimension_value_part2_rating_value_text(struct atsc_rrt_dimension_value_part2 *part2)
+{
+ if (part2->rating_value_length == 0)
+ return NULL;
+
+ return (struct atsc_text*)(((uint8_t*) part2) + sizeof(struct atsc_rrt_dimension_value_part2));
+}
+
+/**
+ * Accessor for the third part of an atsc_rrt_section.
+ *
+ * @param part2 atsc_rrt_section_part2 pointer.
+ * @return atsc_rrt_section_part3 pointer.
+ */
+static inline struct atsc_rrt_section_part3 *
+ atsc_rrt_section_part3(struct atsc_rrt_section_part2 *part2)
+{
+ int pos = sizeof(struct atsc_rrt_section_part2);
+
+ struct atsc_rrt_dimension *cur_dimension;
+ int idx;
+ atsc_rrt_section_dimensions_for_each(part2, cur_dimension, idx) {
+ pos += sizeof(struct atsc_rrt_dimension);
+ pos += cur_dimension->dimension_name_length;
+ pos += sizeof(struct atsc_rrt_dimension_part2);
+
+ // now we need to iterate over the values. yuck
+ struct atsc_rrt_dimension_part2 *dpart2 = atsc_rrt_dimension_part2(cur_dimension);
+ struct atsc_rrt_dimension_value *cur_value;
+ int vidx;
+ atsc_rrt_dimension_part2_values_for_each(dpart2, cur_value, vidx) {
+ pos += sizeof(struct atsc_rrt_dimension_value);
+ pos += cur_value->abbrev_rating_value_length;
+
+ struct atsc_rrt_dimension_value_part2 *vpart2 = atsc_rrt_dimension_value_part2(cur_value);
+ pos += sizeof(struct atsc_rrt_dimension_value_part2);
+ pos += vpart2->rating_value_length;
+ }
+ }
+
+ return (struct atsc_rrt_section_part3 *) (((uint8_t*) part2) + pos);
+}
+
+/**
+ * Iterator for the descriptors field in a atsc_rrt_section structure.
+ *
+ * @param part3 atsc_rrt_section_part3 pointer.
+ * @param pos Variable containing a pointer to the current descriptor.
+ */
+#define atsc_rrt_section_part3_descriptors_for_each(part3, pos) \
+ for ((pos) = atsc_rrt_section_part3_descriptors_first(part3); \
+ (pos); \
+ (pos) = atsc_rrt_section_part3_descriptors_next(part3, pos))
+
+
+
+
+
+
+
+
+
+
+
+/******************************** PRIVATE CODE ********************************/
+static inline struct atsc_rrt_dimension *
+ atsc_rrt_section_dimensions_first(struct atsc_rrt_section_part2 *part2)
+{
+ size_t pos = sizeof(struct atsc_rrt_section_part2);
+
+ if (part2->dimensions_defined == 0)
+ return NULL;
+
+ return (struct atsc_rrt_dimension*) (((uint8_t *) part2) + pos);
+}
+
+static inline struct atsc_rrt_dimension *
+ atsc_rrt_section_dimensions_next(struct atsc_rrt_section_part2 *part2,
+ struct atsc_rrt_dimension *pos,
+ int idx)
+{
+ if (idx >= part2->dimensions_defined)
+ return NULL;
+
+ struct atsc_rrt_dimension_part2 *dpart2 = atsc_rrt_dimension_part2(pos);
+ int len = sizeof(struct atsc_rrt_dimension_part2);
+
+ // now we need to iterate over the values. yuck
+ struct atsc_rrt_dimension_value *cur_value;
+ int vidx;
+ atsc_rrt_dimension_part2_values_for_each(dpart2, cur_value, vidx) {
+ len += sizeof(struct atsc_rrt_dimension_value);
+ len += cur_value->abbrev_rating_value_length;
+
+ struct atsc_rrt_dimension_value_part2 *vpart2 = atsc_rrt_dimension_value_part2(cur_value);
+ len += sizeof(struct atsc_rrt_dimension_value_part2);
+ len += vpart2->rating_value_length;
+ }
+
+ return (struct atsc_rrt_dimension *) (((uint8_t*) dpart2) + len);
+}
+
+static inline struct atsc_rrt_dimension_value *
+ atsc_rrt_dimension_part2_values_first(struct atsc_rrt_dimension_part2 *part2)
+{
+ size_t pos = sizeof(struct atsc_rrt_dimension_part2);
+
+ if (part2->values_defined == 0)
+ return NULL;
+
+ return (struct atsc_rrt_dimension_value*) (((uint8_t *) part2) + pos);
+}
+
+static inline struct atsc_rrt_dimension_value *
+ atsc_rrt_dimension_part2_values_next(struct atsc_rrt_dimension_part2 *part2,
+ struct atsc_rrt_dimension_value *pos,
+ int idx)
+{
+ if (idx >= part2->values_defined)
+ return NULL;
+
+ struct atsc_rrt_dimension_value_part2 *vpart2 = atsc_rrt_dimension_value_part2(pos);
+ int len = sizeof(struct atsc_rrt_dimension_value_part2);
+ len += vpart2->rating_value_length;
+
+ return (struct atsc_rrt_dimension_value *) (((uint8_t*) vpart2) + len);
+}
+
+static inline struct descriptor *
+ atsc_rrt_section_part3_descriptors_first(struct atsc_rrt_section_part3 *part3)
+{
+ size_t pos = sizeof(struct atsc_rrt_section_part3);
+
+ if (part3->descriptors_length == 0)
+ return NULL;
+
+ return (struct descriptor*) (((uint8_t *) part3) + pos);
+}
+
+static inline struct descriptor *
+ atsc_rrt_section_part3_descriptors_next(struct atsc_rrt_section_part3 *part3,
+ struct descriptor *pos)
+{
+ return next_descriptor((uint8_t*) part3 + sizeof(struct atsc_rrt_section_part3),
+ part3->descriptors_length,
+ pos);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/lib/libucsi/atsc/section.h b/lib/libucsi/atsc/section.h
new file mode 100644
index 0000000..23d59ea
--- /dev/null
+++ b/lib/libucsi/atsc/section.h
@@ -0,0 +1,84 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <libucsi/section.h>
+#include <libucsi/atsc/mgt_section.h>
+#include <libucsi/atsc/tvct_section.h>
+#include <libucsi/atsc/cvct_section.h>
+#include <libucsi/atsc/rrt_section.h>
+#include <libucsi/atsc/eit_section.h>
+#include <libucsi/atsc/ett_section.h>
+#include <libucsi/atsc/stt_section.h>
+#include <libucsi/atsc/dcct_section.h>
+#include <libucsi/atsc/dccsct_section.h>
+
+#ifndef _UCSI_ATSC_SECTION_H
+#define _UCSI_ATSC_SECTION_H 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#define ATSC_BASE_PID 0x1ffb
+
+/**
+ * Enumeration of ATSC section tags.
+ */
+enum atsc_section_tag {
+ stag_atsc_master_guide = 0xc7,
+ stag_atsc_terrestrial_virtual_channel = 0xc8,
+ stag_atsc_cable_virtual_channel = 0xc9,
+ stag_atsc_rating_region = 0xca,
+ stag_atsc_event_information = 0xcb,
+ stag_atsc_extended_text = 0xcc,
+ stag_atsc_system_time = 0xcd,
+};
+
+/**
+ * ATSC specific PSIP section structure.
+ */
+struct atsc_section_psip {
+ struct section_ext ext_head;
+ uint8_t protocol_version;
+} __ucsi_packed;
+
+/**
+ * Decode a PSIP section structure.
+ *
+ * @param section_ext Pointer to the processed section_ext structure.
+ * @return Pointer to the parsed section_psip structure, or NULL if invalid.
+ */
+static inline struct atsc_section_psip *atsc_section_psip_decode(struct section_ext *section_ext)
+{
+ size_t len = section_ext_length(section_ext);
+ if (len < sizeof(struct atsc_section_psip)) {
+ return NULL;
+ }
+
+ return (struct atsc_section_psip *) section_ext;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/lib/libucsi/atsc/service_location_descriptor.h b/lib/libucsi/atsc/service_location_descriptor.h
new file mode 100644
index 0000000..aad5b4a
--- /dev/null
+++ b/lib/libucsi/atsc/service_location_descriptor.h
@@ -0,0 +1,141 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _UCSI_ATSC_SERVICE_LOCATION_DESCRIPTOR
+#define _UCSI_ATSC_SERVICE_LOCATION_DESCRIPTOR 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/descriptor.h>
+#include <libucsi/endianops.h>
+#include <libucsi/types.h>
+
+enum atsc_stream_types {
+ ATSC_STREAM_TYPE_VIDEO = 0x02,
+ ATSC_STREAM_TYPE_AUDIO = 0x81,
+};
+
+/**
+ * atsc_service_location_descriptor structure.
+ */
+struct atsc_service_location_descriptor {
+ struct descriptor d;
+
+ EBIT2(uint16_t reserved : 3; ,
+ uint16_t PCR_PID :13; );
+ uint8_t number_elements;
+ /* struct atsc_service_location_element elements[] */
+} __ucsi_packed;
+
+/**
+ * An entry in the elements field of an atsc_service_location_descriptor.
+ */
+struct atsc_caption_service_location_element {
+ uint8_t stream_type;
+ EBIT2(uint16_t reserved : 3; ,
+ uint16_t elementary_PID :13; );
+ iso639lang_t language_code;
+} __ucsi_packed;
+
+/**
+ * Process an atsc_service_location_descriptor.
+ *
+ * @param d Generic descriptor pointer.
+ * @return atsc_service_location_descriptor pointer, or NULL on error.
+ */
+static inline struct atsc_service_location_descriptor*
+ atsc_service_location_descriptor_codec(struct descriptor* d)
+{
+ struct atsc_service_location_descriptor *ret =
+ (struct atsc_service_location_descriptor *) d;
+ uint8_t *buf = (uint8_t*) d + 2;
+ int pos = 0;
+ int idx;
+
+ if (d->len < 3)
+ return NULL;
+ bswap16(buf + pos);
+ pos+=3;
+
+ for(idx = 0; idx < ret->number_elements; idx++) {
+ if (d->len < (pos + sizeof(struct atsc_caption_service_entry)))
+ return NULL;
+
+ bswap16(buf+pos+1);
+
+ pos += sizeof(struct atsc_caption_service_entry);
+ }
+
+ return (struct atsc_service_location_descriptor*) d;
+}
+
+/**
+ * Iterator for elements field of a atsc_service_location_descriptor.
+ *
+ * @param d atsc_service_location_descriptor pointer.
+ * @param pos Variable holding a pointer to the current atsc_service_location_element.
+ * @param idx Integer used to count which dimension we are in.
+ */
+#define atsc_service_location_descriptor_elements_for_each(d, pos, idx) \
+ for ((pos) = atsc_service_location_descriptor_elements_first(d), idx=0; \
+ (pos); \
+ (pos) = atsc_service_location_descriptor_elements_next(d, pos, ++idx))
+
+
+
+
+
+
+
+
+
+
+/******************************** PRIVATE CODE ********************************/
+static inline struct atsc_caption_service_location_element*
+ atsc_service_location_descriptor_elements_first(struct atsc_service_location_descriptor *d)
+{
+ if (d->number_elements == 0)
+ return NULL;
+
+ return (struct atsc_caption_service_location_element *)
+ ((uint8_t*) d + sizeof(struct atsc_service_location_descriptor));
+}
+
+static inline struct atsc_caption_service_location_element*
+ atsc_service_location_descriptor_elements_next(struct atsc_service_location_descriptor *d,
+ struct atsc_caption_service_location_element *pos,
+ int idx)
+{
+ uint8_t *next = (uint8_t *) pos + sizeof(struct atsc_caption_service_location_element);
+
+ if (idx >= d->number_elements)
+ return NULL;
+ return (struct atsc_caption_service_location_element *) next;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/lib/libucsi/atsc/stt_section.c b/lib/libucsi/atsc/stt_section.c
new file mode 100644
index 0000000..23ddd76
--- /dev/null
+++ b/lib/libucsi/atsc/stt_section.c
@@ -0,0 +1,42 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <libucsi/atsc/stt_section.h>
+
+struct atsc_stt_section *atsc_stt_section_codec(struct atsc_section_psip *psip)
+{
+ uint8_t *buf = (uint8_t *) psip;
+ size_t pos = sizeof(struct atsc_section_psip);
+ size_t len = section_ext_length(&(psip->ext_head));
+
+ if (len < sizeof(struct atsc_stt_section))
+ return NULL;
+
+ bswap32(buf + pos);
+ pos += 5;
+ bswap16(buf + pos);
+ pos += 2;
+
+ if (verify_descriptors(buf + pos, len - sizeof(struct atsc_stt_section)))
+ return NULL;
+
+ return (struct atsc_stt_section *) psip;
+}
diff --git a/lib/libucsi/atsc/stt_section.h b/lib/libucsi/atsc/stt_section.h
new file mode 100644
index 0000000..79db5a1
--- /dev/null
+++ b/lib/libucsi/atsc/stt_section.h
@@ -0,0 +1,105 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _UCSI_ATSC_STT_SECTION_H
+#define _UCSI_ATSC_STT_SECTION_H 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/atsc/section.h>
+#include <libucsi/atsc/types.h>
+
+/**
+ * atsc_stt_section structure.
+ */
+struct atsc_stt_section {
+ struct atsc_section_psip head;
+
+ atsctime_t system_time;
+ uint8_t gps_utc_offset;
+ EBIT4(uint16_t DS_status : 1; ,
+ uint16_t reserved : 2; ,
+ uint16_t DS_day_of_month : 5; ,
+ uint16_t DS_hour : 8; );
+ /* struct descriptor descriptors[] */
+} __ucsi_packed;
+
+/**
+ * Process a atsc_stt_section.
+ *
+ * @param section Pointer to an atsc_section_psip structure.
+ * @return atsc_stt_section pointer, or NULL on error.
+ */
+struct atsc_stt_section *atsc_stt_section_codec(struct atsc_section_psip *section);
+
+/**
+ * Iterator for the services field in a atsc_stt_section.
+ *
+ * @param stt atsc_stt_section pointer.
+ * @param pos Variable containing a pointer to the current descriptor.
+ */
+#define atsc_stt_section_descriptors_for_each(stt, pos) \
+ for ((pos) = atsc_stt_section_descriptors_first(stt); \
+ (pos); \
+ (pos) = atsc_stt_section_descriptors_next(stt, pos))
+
+
+
+
+
+
+
+
+
+
+
+/******************************** PRIVATE CODE ********************************/
+static inline struct descriptor *
+ atsc_stt_section_descriptors_first(struct atsc_stt_section *stt)
+{
+ size_t pos = sizeof(struct atsc_stt_section);
+
+ if (pos >= section_ext_length(&stt->head.ext_head))
+ return NULL;
+
+ return (struct descriptor*) ((uint8_t *) stt + pos);
+}
+
+static inline struct descriptor *
+ atsc_stt_section_descriptors_next(struct atsc_stt_section *stt,
+ struct descriptor *pos)
+{
+ int len = section_ext_length(&stt->head.ext_head);
+ len -= sizeof(struct atsc_stt_section);
+
+ return next_descriptor((uint8_t*) stt + sizeof(struct atsc_stt_section),
+ len,
+ pos);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/lib/libucsi/atsc/stuffing_descriptor.h b/lib/libucsi/atsc/stuffing_descriptor.h
new file mode 100644
index 0000000..777c282
--- /dev/null
+++ b/lib/libucsi/atsc/stuffing_descriptor.h
@@ -0,0 +1,82 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_atsc@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _UCSI_ATSC_STUFFING_DESCRIPTOR
+#define _UCSI_ATSC_STUFFING_DESCRIPTOR 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/descriptor.h>
+#include <libucsi/endianops.h>
+
+/**
+ * atsc_stuffing_descriptor.
+ */
+struct atsc_stuffing_descriptor {
+ struct descriptor d;
+
+ /* uint8_t data[] */
+} __ucsi_packed;
+
+/**
+ * Process a atsc_stuffing_descriptor.
+ *
+ * @param d Generic descriptor structure.
+ * @return atsc_stuffing_descriptor pointer, or NULL on error.
+ */
+static inline struct atsc_stuffing_descriptor*
+ atsc_stuffing_descriptor_codec(struct descriptor* d)
+{
+ return (struct atsc_stuffing_descriptor*) d;
+}
+
+/**
+ * Retrieve a pointer to the data field of a atsc_stuffing_descriptor.
+ *
+ * @param d atsc_stuffing_descriptor pointer.
+ * @return Pointer to the field.
+ */
+static inline uint8_t *
+ atsc_stuffing_descriptor_data(struct atsc_stuffing_descriptor *d)
+{
+ return (uint8_t *) d + sizeof(struct atsc_stuffing_descriptor);
+}
+
+/**
+ * Calculate length of the data field of a atsc_stuffing_descriptor.
+ *
+ * @param d atsc_stuffing_descriptor pointer.
+ * @return The length in bytes.
+ */
+static inline int
+ atsc_stuffing_descriptor_data_length(struct atsc_stuffing_descriptor *d)
+{
+ return d->d.len;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/lib/libucsi/atsc/time_shifted_service_descriptor.h b/lib/libucsi/atsc/time_shifted_service_descriptor.h
new file mode 100644
index 0000000..599e66d
--- /dev/null
+++ b/lib/libucsi/atsc/time_shifted_service_descriptor.h
@@ -0,0 +1,136 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _UCSI_ATSC_TIME_SHIFTED_SERVICE_DESCRIPTOR
+#define _UCSI_ATSC_TIME_SHIFTED_SERVICE_DESCRIPTOR 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/descriptor.h>
+#include <libucsi/endianops.h>
+#include <libucsi/types.h>
+
+/**
+ * atsc_time_shifted_service_descriptor structure.
+ */
+struct atsc_time_shifted_service_descriptor {
+ struct descriptor d;
+
+ EBIT2(uint8_t reserved : 3; ,
+ uint8_t number_of_services : 5; );
+ /* struct atsc_time_shifted_service services[] */
+} __ucsi_packed;
+
+/**
+ * An entry in the services field of an atsc_time_shifted_service_descriptor.
+ */
+struct atsc_time_shifted_service {
+ EBIT2(uint16_t reserved : 6; ,
+ uint16_t time_shift :10; );
+ EBIT3(uint32_t reserved2 : 4; ,
+ uint32_t major_channel_number :10; ,
+ uint32_t minor_channel_number :10; );
+} __ucsi_packed;
+
+/**
+ * Process an atsc_time_shifted_service_descriptor.
+ *
+ * @param d Generic descriptor pointer.
+ * @return atsc_time_shifted_service_descriptor pointer, or NULL on error.
+ */
+static inline struct atsc_time_shifted_service_descriptor*
+ atsc_time_shifted_service_descriptor_codec(struct descriptor* d)
+{
+ struct atsc_time_shifted_service_descriptor *ret =
+ (struct atsc_time_shifted_service_descriptor *) d;
+ uint8_t *buf = (uint8_t*) d + 2;
+ int pos = 0;
+ int idx;
+
+ if (d->len < 1)
+ return NULL;
+ pos++;
+
+ for(idx = 0; idx < ret->number_of_services; idx++) {
+ if (d->len < (pos + sizeof(struct atsc_time_shifted_service)))
+ return NULL;
+
+ bswap16(buf+pos);
+ bswap24(buf+pos+2);
+
+ pos += sizeof(struct atsc_time_shifted_service);
+ }
+
+ return (struct atsc_time_shifted_service_descriptor*) d;
+}
+
+/**
+ * Iterator for services field of a atsc_time_shifted_service_descriptor.
+ *
+ * @param d atsc_time_shifted_service_descriptor pointer.
+ * @param pos Variable holding a pointer to the current atsc_service_location_element.
+ * @param idx Integer used to count which service we are in.
+ */
+#define atsc_time_shifted_service_descriptor_services_for_each(d, pos, idx) \
+ for ((pos) = atsc_time_shifted_service_descriptor_services_first(d), idx=0; \
+ (pos); \
+ (pos) = atsc_time_shifted_service_descriptor_services_next(d, pos, ++idx))
+
+
+
+
+
+
+
+
+
+
+/******************************** PRIVATE CODE ********************************/
+static inline struct atsc_time_shifted_service*
+ atsc_time_shifted_service_descriptor_services_first(struct atsc_time_shifted_service_descriptor *d)
+{
+ if (d->number_of_services == 0)
+ return NULL;
+
+ return (struct atsc_time_shifted_service *)
+ ((uint8_t*) d + sizeof(struct atsc_time_shifted_service_descriptor));
+}
+
+static inline struct atsc_time_shifted_service*
+ atsc_time_shifted_service_descriptor_services_next(struct atsc_time_shifted_service_descriptor *d,
+ struct atsc_time_shifted_service *pos,
+ int idx)
+{
+ uint8_t *next = (uint8_t *) pos + sizeof(struct atsc_time_shifted_service);
+
+ if (idx >= d->number_of_services)
+ return NULL;
+ return (struct atsc_time_shifted_service *) next;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/lib/libucsi/atsc/tvct_section.c b/lib/libucsi/atsc/tvct_section.c
new file mode 100644
index 0000000..d187414
--- /dev/null
+++ b/lib/libucsi/atsc/tvct_section.c
@@ -0,0 +1,81 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <libucsi/atsc/tvct_section.h>
+
+struct atsc_tvct_section *atsc_tvct_section_codec(struct atsc_section_psip *psip)
+{
+ uint8_t * buf = (uint8_t *) psip;
+ size_t pos = sizeof(struct atsc_section_psip);
+ size_t len = section_ext_length(&(psip->ext_head));
+ int idx;
+ struct atsc_tvct_section *tvct = (struct atsc_tvct_section *) psip;
+
+ if (len < sizeof(struct atsc_tvct_section))
+ return NULL;
+
+ pos++;
+
+ for(idx =0; idx < tvct->num_channels_in_section; idx++) {
+
+ if ((pos + sizeof(struct atsc_tvct_channel)) > len)
+ return NULL;
+ struct atsc_tvct_channel *channel = (struct atsc_tvct_channel *) (buf+pos);
+
+ pos += 7*2;
+
+ bswap32(buf+pos);
+ bswap32(buf+pos+4);
+ bswap16(buf+pos+8);
+ bswap16(buf+pos+10);
+ bswap16(buf+pos+12);
+ bswap16(buf+pos+14);
+ bswap16(buf+pos+16);
+ pos+=18;
+
+ if ((pos + channel->descriptors_length) > len)
+ return NULL;
+ if (verify_descriptors(buf + pos, channel->descriptors_length))
+ return NULL;
+
+ pos += channel->descriptors_length;
+ }
+
+ if ((pos + sizeof(struct atsc_tvct_section_part2)) > len)
+ return NULL;
+ struct atsc_tvct_section_part2 *part2 = (struct atsc_tvct_section_part2 *) (buf+pos);
+
+ bswap16(buf+pos);
+ pos+=2;
+
+ if ((pos + part2->descriptors_length) > len)
+ return NULL;
+
+ if (verify_descriptors(buf + pos, part2->descriptors_length))
+ return NULL;
+
+ pos += part2->descriptors_length;
+
+ if (pos != len)
+ return NULL;
+
+ return (struct atsc_tvct_section *) psip;
+}
diff --git a/lib/libucsi/atsc/tvct_section.h b/lib/libucsi/atsc/tvct_section.h
new file mode 100644
index 0000000..77bc5f4
--- /dev/null
+++ b/lib/libucsi/atsc/tvct_section.h
@@ -0,0 +1,227 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _UCSI_ATSC_TVCT_SECTION_H
+#define _UCSI_ATSC_TVCT_SECTION_H 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/atsc/section.h>
+
+/**
+ * atsc_tvct_section structure.
+ */
+struct atsc_tvct_section {
+ struct atsc_section_psip head;
+
+ uint8_t num_channels_in_section;
+ /* struct atsc_tvct_channel channels[] */
+ /* struct atsc_tvct_channel_part2 part2 */
+} __ucsi_packed;
+
+struct atsc_tvct_channel {
+ uint16_t short_name[7]; // UTF-16 network ordered
+ EBIT4(uint32_t reserved : 4; ,
+ uint32_t major_channel_number :10; ,
+ uint32_t minor_channel_number :10; ,
+ uint32_t modulation_mode : 8; );
+ uint32_t carrier_frequency;
+ uint16_t channel_TSID;
+ uint16_t program_number;
+ EBIT7(uint16_t ETM_location : 2; ,
+ uint16_t access_controlled : 1; ,
+ uint16_t hidden : 1; ,
+ uint16_t reserved1 : 2; ,
+ uint16_t hide_guide : 1; ,
+ uint16_t reserved2 : 3; ,
+ uint16_t service_type : 6; );
+ uint16_t source_id;
+ EBIT2(uint16_t reserved3 : 6; ,
+ uint16_t descriptors_length :10; );
+ /* struct descriptor descriptors[] */
+} __ucsi_packed;
+
+struct atsc_tvct_section_part2 {
+ EBIT2(uint16_t reserved : 6; ,
+ uint16_t descriptors_length :10; );
+ /* struct descriptor descriptors[] */
+} __ucsi_packed;
+
+static inline struct atsc_tvct_channel *atsc_tvct_section_channels_first(struct atsc_tvct_section *tvct);
+static inline struct atsc_tvct_channel *
+ atsc_tvct_section_channels_next(struct atsc_tvct_section *tvct, struct atsc_tvct_channel *pos, int idx);
+
+/**
+ * Process a atsc_tvct_section.
+ *
+ * @param section Pointer to an atsc_section_psip structure.
+ * @return atsc_tvct_section pointer, or NULL on error.
+ */
+struct atsc_tvct_section *atsc_tvct_section_codec(struct atsc_section_psip *section);
+
+/**
+ * Accessor for the transport_stream_id field of a TVCT.
+ *
+ * @param tvct TVCT pointer.
+ * @return The transport_stream_id.
+ */
+static inline uint16_t atsc_tvct_section_transport_stream_id(struct atsc_tvct_section *tvct)
+{
+ return tvct->head.ext_head.table_id_ext;
+}
+
+/**
+ * Iterator for the channels field in an atsc_tvct_section.
+ *
+ * @param mgt atsc_tvct_section pointer.
+ * @param pos Variable containing a pointer to the current atsc_tvct_channel.
+ * @param idx Integer used to count which channel we in.
+ */
+#define atsc_tvct_section_channels_for_each(mgt, pos, idx) \
+ for ((pos) = atsc_tvct_section_channels_first(mgt), idx=0; \
+ (pos); \
+ (pos) = atsc_tvct_section_channels_next(mgt, pos, ++idx))
+
+/**
+ * Iterator for the descriptors field in a atsc_tvct_channel structure.
+ *
+ * @param channel atsc_tvct_channel pointer.
+ * @param pos Variable containing a pointer to the current descriptor.
+ */
+#define atsc_tvct_channel_descriptors_for_each(channel, pos) \
+ for ((pos) = atsc_tvct_channel_descriptors_first(channel); \
+ (pos); \
+ (pos) = atsc_tvct_channel_descriptors_next(channel, pos))
+
+/**
+ * Accessor for the second part of an atsc_tvct_section.
+ *
+ * @param mgt atsc_tvct_section pointer.
+ * @return atsc_tvct_section_part2 pointer.
+ */
+static inline struct atsc_tvct_section_part2 *
+ atsc_tvct_section_part2(struct atsc_tvct_section *mgt)
+{
+ int pos = sizeof(struct atsc_tvct_section);
+
+ struct atsc_tvct_channel *cur_channel;
+ int idx;
+ atsc_tvct_section_channels_for_each(mgt, cur_channel, idx) {
+ pos += sizeof(struct atsc_tvct_channel);
+ pos += cur_channel->descriptors_length;
+ }
+
+ return (struct atsc_tvct_section_part2 *) (((uint8_t*) mgt) + pos);
+}
+
+/**
+ * Iterator for the descriptors field in a atsc_tvct_section structure.
+ *
+ * @param part2 atsc_tvct_section_part2 pointer.
+ * @param pos Variable containing a pointer to the current descriptor.
+ */
+#define atsc_tvct_section_part2_descriptors_for_each(part2, pos) \
+ for ((pos) = atsc_tvct_section_part2_descriptors_first(part2); \
+ (pos); \
+ (pos) = atsc_tvct_section_part2_descriptors_next(part2, pos))
+
+
+
+
+
+
+
+
+
+
+
+/******************************** PRIVATE CODE ********************************/
+static inline struct atsc_tvct_channel *
+ atsc_tvct_section_channels_first(struct atsc_tvct_section *tvct)
+{
+ size_t pos = sizeof(struct atsc_tvct_section);
+
+ if (tvct->num_channels_in_section == 0)
+ return NULL;
+
+ return (struct atsc_tvct_channel*) (((uint8_t *) tvct) + pos);
+}
+
+static inline struct atsc_tvct_channel *
+ atsc_tvct_section_channels_next(struct atsc_tvct_section *tvct,
+ struct atsc_tvct_channel *pos,
+ int idx)
+{
+ if (idx >= tvct->num_channels_in_section)
+ return NULL;
+
+ return (struct atsc_tvct_channel *)
+ (((uint8_t*) pos) + sizeof(struct atsc_tvct_channel) + pos->descriptors_length);
+}
+
+static inline struct descriptor *
+ atsc_tvct_channel_descriptors_first(struct atsc_tvct_channel *channel)
+{
+ size_t pos = sizeof(struct atsc_tvct_channel);
+
+ if (channel->descriptors_length == 0)
+ return NULL;
+
+ return (struct descriptor*) (((uint8_t *) channel) + pos);
+}
+
+static inline struct descriptor *
+ atsc_tvct_channel_descriptors_next(struct atsc_tvct_channel *channel,
+ struct descriptor *pos)
+{
+ return next_descriptor((uint8_t*) channel + sizeof(struct atsc_tvct_channel),
+ channel->descriptors_length,
+ pos);
+}
+
+static inline struct descriptor *
+ atsc_tvct_section_part2_descriptors_first(struct atsc_tvct_section_part2 *part2)
+{
+ size_t pos = sizeof(struct atsc_tvct_section_part2);
+
+ if (part2->descriptors_length == 0)
+ return NULL;
+
+ return (struct descriptor*) (((uint8_t *) part2) + pos);
+}
+
+static inline struct descriptor *
+ atsc_tvct_section_part2_descriptors_next(struct atsc_tvct_section_part2 *part2,
+ struct descriptor *pos)
+{
+ return next_descriptor((uint8_t*) part2 + sizeof(struct atsc_tvct_section_part2),
+ part2->descriptors_length,
+ pos);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/lib/libucsi/atsc/types.c b/lib/libucsi/atsc/types.c
new file mode 100644
index 0000000..8f4b7ea
--- /dev/null
+++ b/lib/libucsi/atsc/types.c
@@ -0,0 +1,71 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <string.h>
+#include "libucsi/atsc/types.h"
+
+/* GPS epoch == unix time_t at 06/Jan/1980 */
+#define GPS_EPOCH 315964800
+
+
+int atsc_text_validate(uint8_t *buf, int len)
+{
+ int i;
+ int j;
+ int number_strings;
+ int number_segments;
+ int number_bytes;
+ int pos = 0;
+
+ if (len == 0)
+ return 0;
+ number_strings = buf[pos];
+ pos++;
+
+ for(i=0; i< number_strings; i++) {
+ if (len < (pos+4))
+ return -1;
+ number_segments = buf[pos+3];
+ pos+=4;
+
+ for(j=0; j < number_segments; j++) {
+ if (len < (pos+3))
+ return -1;
+ number_bytes = buf[pos+2];
+ pos+=3;
+
+ if (len < (pos + number_bytes))
+ return -1;
+ pos += number_bytes;
+ }
+ }
+
+ return 0;
+}
+
+time_t atsctime_to_unixtime(atsctime_t atsc)
+{
+ return atsc + GPS_EPOCH;
+}
+
+atsctime_t unixtime_to_atsctime(time_t t)
+{
+ return t - GPS_EPOCH;
+}
diff --git a/lib/libucsi/atsc/types.h b/lib/libucsi/atsc/types.h
new file mode 100644
index 0000000..4d4b802
--- /dev/null
+++ b/lib/libucsi/atsc/types.h
@@ -0,0 +1,227 @@
+ /*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _UCSI_ATSC_TYPES_H
+#define _UCSI_ATSC_TYPES_H 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <stdint.h>
+#include <time.h>
+#include <libucsi/types.h>
+
+enum atsc_vct_modulation {
+ ATSC_VCT_MODULATION_ANALOG = 0x01,
+ ATSC_VCT_MODULATION_SCTE_MODE1 = 0x02,
+ ATSC_VCT_MODULATION_SCTE_MODE2 = 0x03,
+ ATSC_VCT_MODULATION_8VSB = 0x04,
+ ATSC_VCT_MODULATION_16VSB = 0x05,
+};
+
+enum atsc_vct_service_type {
+ ATSC_VCT_SERVICE_TYPE_ANALOG = 0x01,
+ ATSC_VCT_SERVICE_TYPE_TV = 0x02,
+ ATSC_VCT_SERVICE_TYPE_AUDIO = 0x03,
+ ATSC_VCT_SERVICE_TYPE_DATA = 0x04,
+};
+
+enum atsc_etm_location {
+ ATSC_VCT_ETM_NONE = 0x00,
+ ATSC_VCT_ETM_IN_THIS_PTC = 0x01,
+ ATSC_VCT_ETM_IN_CHANNEL_TSID = 0x02,
+};
+
+enum atsc_text_compress_type {
+ ATSC_TEXT_COMPRESS_NONE = 0x00,
+ ATSC_TEXT_COMPRESS_PROGRAM_TITLE = 0x01,
+ ATSC_TEXT_COMPRESS_PROGRAM_DESCRIPTION = 0x02,
+};
+
+enum atsc_text_segment_mode {
+ ATSC_TEXT_SEGMENT_MODE_UNICODE_RANGE_MIN = 0x00,
+ ATSC_TEXT_SEGMENT_MODE_UNICODE_RANGE_MAX = 0x33,
+ ATSC_TEXT_SEGMENT_MODE_SCSU = 0x3e,
+ ATSC_TEXT_SEGMENT_MODE_UTF16 = 0x3f,
+ ATSC_TEXT_SEGMENT_MODE_TAIWAN_BITMAP = 0x40,
+ ATSC_TEXT_SEGMENT_MODE_TAIWAN_CODEWORD_BITMAP = 0x41,
+};
+
+typedef uint32_t atsctime_t;
+
+struct atsc_text {
+ uint8_t number_strings;
+ /* struct atsc_text_string strings[] */
+};
+
+struct atsc_text_string {
+ iso639lang_t language_code;
+ uint8_t number_segments;
+ /* struct atsc_text_string_segment segments[] */
+};
+
+struct atsc_text_string_segment {
+ uint8_t compression_type;
+ uint8_t mode;
+ uint8_t number_bytes;
+ /* uint8_t bytes[] */
+};
+
+/**
+ * Iterator for strings field of an atsc_text structure.
+ *
+ * @param txt atsc_text pointer.
+ * @param pos Variable holding a pointer to the current atsc_text_string.
+ * @param idx Iterator variable.
+ */
+#define atsc_text_strings_for_each(txt, pos, idx) \
+ for ((pos) = atsc_text_strings_first(txt), idx=0; \
+ (pos); \
+ (pos) = atsc_text_strings_next(txt, pos, ++idx))
+
+/**
+ * Iterator for segments field of an atsc_text_string structure.
+ *
+ * @param str atsc_text_string pointer.
+ * @param pos Variable holding a pointer to the current atsc_text_string_segment.
+ * @param idx Iterator variable.
+ */
+#define atsc_text_string_segments_for_each(str, pos, idx) \
+ for ((pos) = atsc_text_string_segments_first(str), idx=0; \
+ (pos); \
+ (pos) = atsc_text_string_segments_next(str, pos, ++idx))
+
+/**
+ * Accessor for the bytes field of an atsc_text_string_segment.
+ *
+ * @param seg atsc_text_string_segment pointer.
+ * @return Pointer to the bytes.
+ */
+static inline uint8_t*
+ atsc_text_string_segment_bytes(struct atsc_text_string_segment *d)
+{
+ return ((uint8_t*) d) + sizeof(struct atsc_text_string_segment);
+}
+
+/**
+ * Validate a buffer containing an atsc_text structure.
+ *
+ * @param buf Start of the atsc_text structure.
+ * @param len Length in bytes of the buffer.
+ * @return 0 if valid, nonzero if not.
+ */
+extern int atsc_text_validate(uint8_t *buf, int len);
+
+/**
+ * Decodes an atsc_text_segment with mode < 0x3e. Decompression of the ATSC text encoding IS
+ * supported. The output text will be in the UTF-8 encoding.
+ *
+ * @param segment Pointer to the segment to decode.
+ * @param destbuf Pointer to the malloc()ed buffer to append text to (pass NULL if none).
+ * @param destbufsize Size of destbuf in bytes.
+ * @param destbufpos Position within destbuf. This will be updated to point after the end of the
+ * string on exit.
+ * @return New value of destbufpos, or < 0 on error.
+ */
+extern int atsc_text_segment_decode(struct atsc_text_string_segment *segment,
+ uint8_t **destbuf, size_t *destbufsize, size_t *destbufpos);
+
+/**
+ * Convert from ATSC time to unix time_t.
+ *
+ * @param atsc ATSC time.
+ * @return The time value.
+ */
+extern time_t atsctime_to_unixtime(atsctime_t atsc);
+
+/**
+ * Convert from unix time_t to atsc time.
+ *
+ * @param t unix time_t.
+ * @return The atsc time value.
+ */
+extern atsctime_t unixtime_to_atsctime(time_t t);
+
+
+
+
+
+
+
+/******************************** PRIVATE CODE ********************************/
+static inline struct atsc_text_string*
+ atsc_text_strings_first(struct atsc_text *txt)
+{
+ if (txt->number_strings == 0)
+ return NULL;
+
+ return (struct atsc_text_string *)
+ ((uint8_t*) txt + sizeof(struct atsc_text));
+}
+
+static inline struct atsc_text_string*
+ atsc_text_strings_next(struct atsc_text *txt, struct atsc_text_string *pos, int idx)
+{
+ int i;
+ uint8_t *buf;
+
+ if (idx >= txt->number_strings)
+ return NULL;
+
+ buf = ((uint8_t*) pos) + sizeof(struct atsc_text_string);
+ for(i=0; i < pos->number_segments; i++) {
+ struct atsc_text_string_segment *seg =
+ (struct atsc_text_string_segment *) buf;
+
+ buf += sizeof(struct atsc_text_string_segment);
+ buf += seg->number_bytes;
+ }
+
+ return (struct atsc_text_string *) buf;
+}
+
+static inline struct atsc_text_string_segment*
+ atsc_text_string_segments_first(struct atsc_text_string *str)
+{
+ if (str->number_segments == 0)
+ return NULL;
+
+ return (struct atsc_text_string_segment *)
+ ((uint8_t*) str + sizeof(struct atsc_text_string));
+}
+
+static inline struct atsc_text_string_segment*
+ atsc_text_string_segments_next(struct atsc_text_string *str,
+ struct atsc_text_string_segment *pos, int idx)
+{
+ if (idx >= str->number_segments)
+ return NULL;
+
+ return (struct atsc_text_string_segment *)
+ (((uint8_t*) pos) + sizeof(struct atsc_text_string_segment) + pos->number_bytes);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif