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/*****************************************************************
* gmerlin-avdecoder - a general purpose multimedia decoding library
*
* Copyright (c) 2001 - 2012 Members of the Gmerlin project
* gmerlin-general@lists.sourceforge.net
* http://gmerlin.sourceforge.net
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* *****************************************************************/
#define MAX_PAT_SECTION_LENGTH 1021
/* Maximum number of programs in one pat section */
#define MAX_PROGRAMS ((MAX_PAT_SECTION_LENGTH-9)/4)
#define MAX_PMT_SECTION_LENGTH 1021
/* Maximum number of streams in one pmt section */
#define MAX_STREAMS ((MAX_PMT_SECTION_LENGTH-13)/5)
/* Transport packet */
/* Stream types (from libavformat) */
#define STREAM_TYPE_VIDEO_MPEG1 0x01
#define STREAM_TYPE_VIDEO_MPEG2 0x02
#define STREAM_TYPE_AUDIO_MPEG1 0x03
#define STREAM_TYPE_AUDIO_MPEG2 0x04
#define STREAM_TYPE_PRIVATE_SECTION 0x05
#define STREAM_TYPE_PRIVATE_DATA 0x06
#define STREAM_TYPE_AUDIO_AAC 0x0f
#define STREAM_TYPE_VIDEO_MPEG4 0x10
#define STREAM_TYPE_VIDEO_H264 0x1b
#define STREAM_TYPE_AUDIO_AC3 0x81
#define STREAM_TYPE_AUDIO_DTS 0x8a
typedef struct
{
int transport_error;
uint16_t pid;
int has_adaption_field;
int has_payload;
int payload_start; /* Payload start indicator */
uint8_t continuity_counter;
int payload_size;
/* Adaption field */
struct
{
int64_t pcr;
int random_access_indicator;
} adaption_field;
} transport_packet_t;
void bgav_transport_packet_dump(transport_packet_t * p);
int bgav_transport_packet_parse(const bgav_options_t * opt,
uint8_t ** data, transport_packet_t * ret);
/* Program association table section */
typedef struct
{
uint8_t table_id;
uint16_t section_length;
uint16_t transport_stream_id;
int current_next_indicator;
uint8_t section_number;
uint8_t last_section_number;
int num_programs; /* Number of program definitions in this section */
struct
{
uint16_t program_number;
uint16_t program_map_pid;
} programs[MAX_PROGRAMS];
} pat_section_t;
int bgav_pat_section_read(uint8_t * data, int size,
pat_section_t * ret);
void bgav_pat_section_dump(pat_section_t * pats);
/* Program map section */
typedef struct
{
uint8_t table_id;
uint16_t section_length;
uint16_t program_number;
int current_next_indicator;
uint8_t section_number;
uint8_t last_section_number;
uint16_t pcr_pid;
uint8_t descriptor[4096];
int descriptor_len;
int num_streams;
struct
{
uint8_t type;
uint16_t pid;
uint8_t descriptor[4096];
int descriptor_len;
int present; // Set by the demuxer to signal, that the stream is present
} streams[MAX_STREAMS];
} pmt_section_t;
int bgav_pmt_section_read(uint8_t * data, int size,
pmt_section_t * ret);
void bgav_pmt_section_dump(pmt_section_t * pmts);
/* Returns number of added streams */
int bgav_pmt_section_setup_track(pmt_section_t * pmts,
bgav_track_t * track,
const bgav_options_t * opt,
int max_audio_streams,
int max_video_streams,
int max_ac3_streams,
int * num_ac3_streams,
int * extra_pcr_pid);
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