aboutsummaryrefslogtreecommitdiffstats
path: root/lib/libucsi/dvb/service_descriptor.h
diff options
context:
space:
mode:
authoretobi <git@e-tobi.net>2013-09-03 09:48:41 +0200
committeretobi <git@e-tobi.net>2013-09-03 09:48:41 +0200
commitab959d7b4194715870128e616b8e29d4a101e488 (patch)
tree61a746231d30817be73416a7d67763fd677a1042 /lib/libucsi/dvb/service_descriptor.h
parent6b350466c4902c5b137e0efaf1d189128a7f18f5 (diff)
downloadlinux-dvb-apps-ab959d7b4194715870128e616b8e29d4a101e488.tar.gz
Imported Upstream version 1.1.1+rev1207upstream/1.1.1+rev1207
Diffstat (limited to 'lib/libucsi/dvb/service_descriptor.h')
-rw-r--r--lib/libucsi/dvb/service_descriptor.h163
1 files changed, 163 insertions, 0 deletions
diff --git a/lib/libucsi/dvb/service_descriptor.h b/lib/libucsi/dvb/service_descriptor.h
new file mode 100644
index 0000000..dd0f0ec
--- /dev/null
+++ b/lib/libucsi/dvb/service_descriptor.h
@@ -0,0 +1,163 @@
+/*
+ * 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_DVB_SERVICE_DESCRIPTOR
+#define _UCSI_DVB_SERVICE_DESCRIPTOR 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/descriptor.h>
+#include <libucsi/endianops.h>
+
+/**
+ * Possible values for service_type.
+ */
+enum {
+ DVB_SERVICE_TYPE_DIGITAL_TV = 0x01,
+ DVB_SERVICE_TYPE_DIGITAL_RADIO = 0x02,
+ DVB_SERVICE_TYPE_TELETEXT = 0x03,
+ DVB_SERVICE_TYPE_NVOD_REF = 0x04,
+ DVB_SERVICE_TYPE_NVOD_TIMESHIFT = 0x05,
+ DVB_SERVICE_TYPE_MOSAIC = 0x06,
+ DVB_SERVICE_TYPE_PAL = 0x07,
+ DVB_SERVICE_TYPE_SECAM = 0x08,
+ DVB_SERVICE_TYPE_D_D2_MAC = 0x09,
+ DVB_SERVICE_TYPE_FM_RADIO = 0x0a,
+ DVB_SERVICE_TYPE_NTSC = 0x0b,
+ DVB_SERVICE_TYPE_DATA_BCAST = 0x0c,
+ DVB_SERVICE_TYPE_EN50221 = 0x0d,
+ DVB_SERVICE_TYPE_RCS_MAP = 0x0e,
+ DVB_SERVICE_TYPE_RCS_FLS = 0x0f,
+ DVB_SERVICE_TYPE_MHP = 0x10,
+ DVB_SERVICE_TYPE_MPEG2_HD_DIGITAL_TV = 0x11,
+ DVB_SERVICE_TYPE_ADVANCED_CODEC_SD_DIGITAL_TV = 0x16,
+ DVB_SERVICE_TYPE_ADVANCED_CODEC_SD_NVOD_TIMESHIFT = 0x17,
+ DVB_SERVICE_TYPE_ADVANCED_CODEC_SD_NVOD_REF = 0x18,
+ DVB_SERVICE_TYPE_ADVANCED_CODEC_HD_DIGITAL_TV = 0x19,
+ DVB_SERVICE_TYPE_ADVANCED_CODEC_HD_NVOD_TIMESHIFT = 0x1a,
+ DVB_SERVICE_TYPE_ADVANCED_CODEC_HD_NVOD_REF = 0x1b,
+};
+
+/**
+ * dvb_service_descriptor structure.
+ */
+struct dvb_service_descriptor {
+ struct descriptor d;
+
+ uint8_t service_type;
+ uint8_t service_provider_name_length;
+ /* uint8_t service_provider_name[] */
+ /* struct dvb_service_descriptor_part2 part2 */
+} __ucsi_packed;
+
+/**
+ * Second part of a dvb_service_descriptor following the variable length
+ * service_provider_name field.
+ */
+struct dvb_service_descriptor_part2 {
+ uint8_t service_name_length;
+ /* uint8_t service_name[] */
+} __ucsi_packed;
+
+/**
+ * Process a dvb_service_descriptor.
+ *
+ * @param d Generic descriptor pointer.
+ * @return dvb_service_descriptor pointer, or NULL on error.
+ */
+static inline struct dvb_service_descriptor*
+ dvb_service_descriptor_codec(struct descriptor* d)
+{
+ struct dvb_service_descriptor *p =
+ (struct dvb_service_descriptor *) d;
+ struct dvb_service_descriptor_part2 *p2;
+ uint32_t pos = sizeof(struct dvb_service_descriptor) - 2;
+ uint32_t len = d->len;
+
+ if (pos > len)
+ return NULL;
+
+ pos += p->service_provider_name_length;
+
+ if (pos > len)
+ return NULL;
+
+ p2 = (struct dvb_service_descriptor_part2*) ((uint8_t*) d + 2 + pos);
+
+ pos += sizeof(struct dvb_service_descriptor_part2);
+
+ if (pos > len)
+ return NULL;
+
+ pos += p2->service_name_length;
+
+ if (pos != len)
+ return NULL;
+
+ return p;
+}
+
+/**
+ * Accessor for the service_provider_name field of a dvb_service_descriptor.
+ *
+ * @param d dvb_service_descriptor pointer.
+ * @return Pointer to the service_provider_name field.
+ */
+static inline uint8_t *
+ dvb_service_descriptor_service_provider_name(struct dvb_service_descriptor *d)
+{
+ return (uint8_t *) d + sizeof(struct dvb_service_descriptor);
+}
+
+/**
+ * Accessor for the second part of a dvb_service_descriptor.
+ *
+ * @param d dvb_service_descriptor pointer.
+ * @return dvb_service_descriptor_part2 pointer.
+ */
+static inline struct dvb_service_descriptor_part2 *
+ dvb_service_descriptor_part2(struct dvb_service_descriptor *d)
+{
+ return (struct dvb_service_descriptor_part2 *)
+ ((uint8_t*) d + sizeof(struct dvb_service_descriptor) +
+ d->service_provider_name_length);
+}
+
+/**
+ * Accessor for the service_name field of a dvb_service_descriptor_part2.
+ *
+ * @param d dvb_service_descriptor_part2 pointer.
+ * @return Pointer to the service_name field.
+ */
+static inline uint8_t *
+ dvb_service_descriptor_service_name(struct dvb_service_descriptor_part2 *d)
+{
+ return (uint8_t *) d + sizeof(struct dvb_service_descriptor_part2);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif