Imported Upstream version 1.1.1+rev1207upstream/1.1.1+rev1207

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