FFmpeg
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#include "config_components.h"
#include "libavutil/buffer.h"
#include "libavutil/common.h"
#include "libavutil/crc.h"
#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/log.h"
#include "libavutil/dict.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "libavutil/avassert.h"
#include "libavutil/dovi_meta.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/bytestream.h"
#include "libavcodec/defs.h"
#include "libavcodec/get_bits.h"
#include "libavcodec/opus.h"
#include "avformat.h"
#include "mpegts.h"
#include "internal.h"
#include "avio_internal.h"
#include "demux.h"
#include "mpeg.h"
#include "isom.h"
Go to the source code of this file.
Data Structures | |
struct | MpegTSPESFilter |
struct | MpegTSSectionFilter |
struct | MpegTSFilter |
struct | Stream |
struct | Program |
struct | MpegTSContext |
struct | PESContext |
struct | SectionHeader |
struct | StreamType |
struct | MP4DescrParseContext |
Macros | |
#define | MAX_RESYNC_SIZE 65536 |
#define | MAX_MP4_DESCR_COUNT 16 |
#define | MOD_UNLIKELY(modulus, dividend, divisor, prev_dividend) |
#define | PROBE_PACKET_MAX_BUF 8192 |
#define | PROBE_PACKET_MARGIN 5 |
#define | MAX_STREAMS_PER_PROGRAM 128 |
#define | MAX_PIDS_PER_PROGRAM (MAX_STREAMS_PER_PROGRAM + 2) |
#define | MPEGTS_OPTIONS { "resync_size", "set size limit for looking up a new synchronization", offsetof(MpegTSContext, resync_size), AV_OPT_TYPE_INT, { .i64 = MAX_RESYNC_SIZE}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM } |
#define | PES_START_SIZE 6 |
#define | PES_HEADER_SIZE 9 |
#define | MAX_PES_HEADER_SIZE (9 + 255) |
#define | MAX_LEVEL 4 |
#define | R8_CHECK_CLIP_MAX(dst, maxv) |
#define | CHECK_COUNT 10 |
#define | CHECK_BLOCK 100 |
#define | MAX_PACKET_READAHEAD ((128 * 1024) / 188) |
Typedefs | |
typedef int | PESCallback(MpegTSFilter *f, const uint8_t *buf, int len, int is_start, int64_t pos) |
typedef void | SectionCallback(MpegTSFilter *f, const uint8_t *buf, int len) |
typedef void | SetServiceCallback(void *opaque, int ret) |
Enumerations | |
enum | MpegTSFilterType { MPEGTS_PES, MPEGTS_SECTION, MPEGTS_PCR } |
enum | MpegTSState { MPEGTS_HEADER = 0, MPEGTS_PESHEADER, MPEGTS_PESHEADER_FILL, MPEGTS_PAYLOAD, MPEGTS_SKIP } |
Functions | |
static struct Program * | get_program (MpegTSContext *ts, unsigned int programid) |
static void | clear_avprogram (MpegTSContext *ts, unsigned int programid) |
static void | clear_program (struct Program *p) |
static void | clear_programs (MpegTSContext *ts) |
static struct Program * | add_program (MpegTSContext *ts, unsigned int programid) |
static void | add_pid_to_program (struct Program *p, unsigned int pid) |
static void | update_av_program_info (AVFormatContext *s, unsigned int programid, unsigned int pid, int version) |
static int | discard_pid (MpegTSContext *ts, unsigned int pid) |
discard_pid() decides if the pid is to be discarded according to caller's programs selection More... | |
static void | write_section_data (MpegTSContext *ts, MpegTSFilter *tss1, const uint8_t *buf, int buf_size, int is_start) |
Assemble PES packets out of TS packets, and then call the "section_cb" function when they are complete. More... | |
static MpegTSFilter * | mpegts_open_filter (MpegTSContext *ts, unsigned int pid, enum MpegTSFilterType type) |
static MpegTSFilter * | mpegts_open_section_filter (MpegTSContext *ts, unsigned int pid, SectionCallback *section_cb, void *opaque, int check_crc) |
static MpegTSFilter * | mpegts_open_pes_filter (MpegTSContext *ts, unsigned int pid, PESCallback *pes_cb, void *opaque) |
static MpegTSFilter * | mpegts_open_pcr_filter (MpegTSContext *ts, unsigned int pid) |
static void | mpegts_close_filter (MpegTSContext *ts, MpegTSFilter *filter) |
static int | analyze (const uint8_t *buf, int size, int packet_size, int probe) |
static int | get_packet_size (AVFormatContext *s) |
static int | skip_identical (const SectionHeader *h, MpegTSSectionFilter *tssf) |
static int | get8 (const uint8_t **pp, const uint8_t *p_end) |
static int | get16 (const uint8_t **pp, const uint8_t *p_end) |
static char * | getstr8 (const uint8_t **pp, const uint8_t *p_end) |
static int | parse_section_header (SectionHeader *h, const uint8_t **pp, const uint8_t *p_end) |
static void | mpegts_find_stream_type (AVStream *st, uint32_t stream_type, const StreamType *types) |
static int | mpegts_set_stream_info (AVStream *st, PESContext *pes, uint32_t stream_type, uint32_t prog_reg_desc) |
static void | reset_pes_packet_state (PESContext *pes) |
static void | new_data_packet (const uint8_t *buffer, int len, AVPacket *pkt) |
static int | new_pes_packet (PESContext *pes, AVPacket *pkt) |
static uint64_t | get_ts64 (GetBitContext *gb, int bits) |
static int | read_sl_header (PESContext *pes, SLConfigDescr *sl, const uint8_t *buf, int buf_size) |
static AVBufferRef * | buffer_pool_get (MpegTSContext *ts, int size) |
static int | mpegts_push_data (MpegTSFilter *filter, const uint8_t *buf, int buf_size, int is_start, int64_t pos) |
static PESContext * | add_pes_stream (MpegTSContext *ts, int pid, int pcr_pid) |
static int | init_MP4DescrParseContext (MP4DescrParseContext *d, AVFormatContext *s, const uint8_t *buf, unsigned size, Mp4Descr *descr, int max_descr_count) |
static void | update_offsets (AVIOContext *pb, int64_t *off, int *len) |
static int | parse_mp4_descr (MP4DescrParseContext *d, int64_t off, int len, int target_tag) |
static int | parse_mp4_descr_arr (MP4DescrParseContext *d, int64_t off, int len) |
static int | parse_MP4IODescrTag (MP4DescrParseContext *d, int64_t off, int len) |
static int | parse_MP4ODescrTag (MP4DescrParseContext *d, int64_t off, int len) |
static int | parse_MP4ESDescrTag (MP4DescrParseContext *d, int64_t off, int len) |
static int | parse_MP4DecConfigDescrTag (MP4DescrParseContext *d, int64_t off, int len) |
static int | parse_MP4SLDescrTag (MP4DescrParseContext *d, int64_t off, int len) |
static int | mp4_read_iods (AVFormatContext *s, const uint8_t *buf, unsigned size, Mp4Descr *descr, int *descr_count, int max_descr_count) |
static int | mp4_read_od (AVFormatContext *s, const uint8_t *buf, unsigned size, Mp4Descr *descr, int *descr_count, int max_descr_count) |
static void | m4sl_cb (MpegTSFilter *filter, const uint8_t *section, int section_len) |
static void | scte_data_cb (MpegTSFilter *filter, const uint8_t *section, int section_len) |
int | ff_parse_mpeg2_descriptor (AVFormatContext *fc, AVStream *st, int stream_type, const uint8_t **pp, const uint8_t *desc_list_end, Mp4Descr *mp4_descr, int mp4_descr_count, int pid, MpegTSContext *ts) |
Parse an MPEG-2 descriptor. More... | |
static AVStream * | find_matching_stream (MpegTSContext *ts, int pid, unsigned int programid, int stream_identifier, int pmt_stream_idx, struct Program *p) |
static int | parse_stream_identifier_desc (const uint8_t *p, const uint8_t *p_end) |
static int | is_pes_stream (int stream_type, uint32_t prog_reg_desc) |
static void | pmt_cb (MpegTSFilter *filter, const uint8_t *section, int section_len) |
static void | pat_cb (MpegTSFilter *filter, const uint8_t *section, int section_len) |
static void | eit_cb (MpegTSFilter *filter, const uint8_t *section, int section_len) |
static void | sdt_cb (MpegTSFilter *filter, const uint8_t *section, int section_len) |
static int | parse_pcr (int64_t *ppcr_high, int *ppcr_low, const uint8_t *packet) |
static int | handle_packet (MpegTSContext *ts, const uint8_t *packet, int64_t pos) |
static int | mpegts_resync (AVFormatContext *s, int seekback, const uint8_t *current_packet) |
static int | read_packet (AVFormatContext *s, uint8_t *buf, int raw_packet_size, const uint8_t **data) |
static void | finished_reading_packet (AVFormatContext *s, int raw_packet_size) |
static int | handle_packets (MpegTSContext *ts, int64_t nb_packets) |
static int | mpegts_probe (const AVProbeData *p) |
static void | seek_back (AVFormatContext *s, AVIOContext *pb, int64_t pos) |
static int | mpegts_read_header (AVFormatContext *s) |
static int | mpegts_raw_read_packet (AVFormatContext *s, AVPacket *pkt) |
static int | mpegts_read_packet (AVFormatContext *s, AVPacket *pkt) |
static void | mpegts_free (MpegTSContext *ts) |
static int | mpegts_read_close (AVFormatContext *s) |
static av_unused int64_t | mpegts_get_pcr (AVFormatContext *s, int stream_index, int64_t *ppos, int64_t pos_limit) |
static int64_t | mpegts_get_dts (AVFormatContext *s, int stream_index, int64_t *ppos, int64_t pos_limit) |
MpegTSContext * | avpriv_mpegts_parse_open (AVFormatContext *s) |
int | avpriv_mpegts_parse_packet (MpegTSContext *ts, AVPacket *pkt, const uint8_t *buf, int len) |
void | avpriv_mpegts_parse_close (MpegTSContext *ts) |
Variables | |
static const AVOption | options [] |
static const AVClass | mpegts_class |
static const AVOption | raw_options [] |
static const AVClass | mpegtsraw_class |
const AVInputFormat | ff_mpegts_demuxer |
static const StreamType | ISO_types [] |
static const StreamType | HDMV_types [] |
static const StreamType | SCTE_types [] |
static const StreamType | MISC_types [] |
static const StreamType | HLS_SAMPLE_ENC_types [] |
static const StreamType | REGD_types [] |
static const StreamType | METADATA_types [] |
static const StreamType | DESC_types [] |
static const uint8_t | opus_coupled_stream_cnt [9] |
static const uint8_t | opus_stream_cnt [9] |
static const uint8_t | opus_channel_map [8][8] |
const AVInputFormat | ff_mpegtsraw_demuxer |
#define MOD_UNLIKELY | ( | modulus, | |
dividend, | |||
divisor, | |||
prev_dividend | |||
) |
#define MAX_PIDS_PER_PROGRAM (MAX_STREAMS_PER_PROGRAM + 2) |
#define MPEGTS_OPTIONS { "resync_size", "set size limit for looking up a new synchronization", offsetof(MpegTSContext, resync_size), AV_OPT_TYPE_INT, { .i64 = MAX_RESYNC_SIZE}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM } |
#define R8_CHECK_CLIP_MAX | ( | dst, | |
maxv | |||
) |
#define CHECK_COUNT 10 |
#define CHECK_BLOCK 100 |
typedef void SectionCallback(MpegTSFilter *f, const uint8_t *buf, int len) |
enum MpegTSFilterType |
enum MpegTSState |
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Definition at line 277 of file mpegts.c.
Referenced by add_program(), and pmt_cb().
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Definition at line 303 of file mpegts.c.
Referenced by add_program(), pat_cb(), and pmt_cb().
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Definition at line 312 of file mpegts.c.
Referenced by mpegts_free().
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discard_pid() decides if the pid is to be discarded according to caller's programs selection
ts | : - TS context |
pid | : - pid |
Definition at line 380 of file mpegts.c.
Referenced by handle_packet().
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Assemble PES packets out of TS packets, and then call the "section_cb" function when they are complete.
Definition at line 421 of file mpegts.c.
Referenced by handle_packet().
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Definition at line 488 of file mpegts.c.
Referenced by mpegts_open_pcr_filter(), mpegts_open_pes_filter(), and mpegts_open_section_filter().
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Definition at line 511 of file mpegts.c.
Referenced by avpriv_mpegts_parse_open(), ff_parse_mpeg2_descriptor(), mpegts_read_header(), pat_cb(), and pmt_cb().
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Definition at line 538 of file mpegts.c.
Referenced by add_pes_stream().
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Definition at line 559 of file mpegts.c.
Referenced by mpegts_free(), pat_cb(), and pmt_cb().
Definition at line 580 of file mpegts.c.
Referenced by get_packet_size(), and mpegts_probe().
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Definition at line 609 of file mpegts.c.
Referenced by mpegts_read_header(), and mpegts_resync().
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inlinestatic |
Definition at line 667 of file mpegts.c.
Referenced by ff_parse_mpeg2_descriptor(), getstr8(), parse_section_header(), parse_stream_identifier_desc(), pmt_cb(), and sdt_cb().
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inlinestatic |
Definition at line 680 of file mpegts.c.
Referenced by ff_parse_mpeg2_descriptor(), parse_section_header(), parse_stream_identifier_desc(), pat_cb(), pmt_cb(), and sdt_cb().
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Definition at line 894 of file mpegts.c.
Referenced by ff_parse_mpeg2_descriptor(), mpegts_set_stream_info(), and pmt_cb().
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Definition at line 912 of file mpegts.c.
Referenced by mpegts_push_data(), and pmt_cb().
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Definition at line 996 of file mpegts.c.
Referenced by mpegts_push_data(), and new_pes_packet().
Definition at line 1005 of file mpegts.c.
Referenced by eit_cb(), and scte_data_cb().
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Definition at line 1012 of file mpegts.c.
Referenced by mpegts_push_data(), and mpegts_read_packet().
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Definition at line 1052 of file mpegts.c.
Referenced by read_sl_header().
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Definition at line 1059 of file mpegts.c.
Referenced by mpegts_push_data().
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Definition at line 1130 of file mpegts.c.
Referenced by mpegts_push_data().
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Definition at line 1143 of file mpegts.c.
Referenced by add_pes_stream().
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Definition at line 1434 of file mpegts.c.
Referenced by handle_packet(), and pmt_cb().
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Definition at line 1470 of file mpegts.c.
Referenced by mp4_read_iods(), and mp4_read_od().
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Definition at line 1489 of file mpegts.c.
Referenced by parse_mp4_descr(), parse_mp4_descr_arr(), parse_MP4ESDescrTag(), parse_MP4IODescrTag(), and parse_MP4ODescrTag().
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Definition at line 1616 of file mpegts.c.
Referenced by mp4_read_iods(), parse_mp4_descr_arr(), and parse_MP4ESDescrTag().
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Definition at line 1499 of file mpegts.c.
Referenced by mp4_read_od(), parse_MP4IODescrTag(), and parse_MP4ODescrTag().
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Definition at line 1510 of file mpegts.c.
Referenced by parse_mp4_descr().
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Definition at line 1523 of file mpegts.c.
Referenced by parse_mp4_descr().
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Definition at line 1537 of file mpegts.c.
Referenced by parse_mp4_descr().
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Definition at line 1559 of file mpegts.c.
Referenced by parse_mp4_descr().
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Definition at line 1573 of file mpegts.c.
Referenced by parse_mp4_descr().
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Definition at line 1702 of file mpegts.c.
Referenced by ff_parse_mpeg2_descriptor().
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int ff_parse_mpeg2_descriptor | ( | AVFormatContext * | fc, |
AVStream * | st, | ||
int | stream_type, | ||
const uint8_t ** | pp, | ||
const uint8_t * | desc_list_end, | ||
Mp4Descr * | mp4_descr, | ||
int | mp4_descr_count, | ||
int | pid, | ||
MpegTSContext * | ts | ||
) |
Parse an MPEG-2 descriptor.
[in] | fc | Format context (used for logging only) |
st | Stream | |
stream_type | STREAM_TYPE_xxx | |
pp | Descriptor buffer pointer | |
desc_list_end | End of buffer |
Definition at line 1814 of file mpegts.c.
Referenced by parse_chunks(), and pmt_cb().
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Definition at line 2537 of file mpegts.c.
Referenced by avpriv_mpegts_parse_open(), and mpegts_read_header().
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Service_id 0xFFFF is reserved, it indicates that the current EIT table is scrambled.
In case we receive an EPG packet before mpegts context is fully initialized.
Definition at line 2625 of file mpegts.c.
Referenced by avpriv_mpegts_parse_open(), and mpegts_read_header().
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Definition at line 2679 of file mpegts.c.
Referenced by avpriv_mpegts_parse_open(), and mpegts_read_header().
Definition at line 3071 of file mpegts.c.
Referenced by handle_packet(), mpegts_get_pcr(), mpegts_raw_read_packet(), and mpegts_read_header().
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Definition at line 2769 of file mpegts.c.
Referenced by avpriv_mpegts_parse_packet(), and handle_packets().
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Definition at line 2899 of file mpegts.c.
Referenced by mpegts_get_pcr(), and read_packet().
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Definition at line 2942 of file mpegts.c.
Referenced by handle_packets(), mpegts_raw_read_packet(), and mpegts_read_header().
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Definition at line 2967 of file mpegts.c.
Referenced by handle_packets(), mpegts_raw_read_packet(), and mpegts_read_header().
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Definition at line 2975 of file mpegts.c.
Referenced by mpegts_read_header(), and mpegts_read_packet().
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Definition at line 3097 of file mpegts.c.
Referenced by dhav_read_header(), get_duration(), and mpegts_read_header().
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Definition at line 3286 of file mpegts.c.
Referenced by avpriv_mpegts_parse_close(), and mpegts_read_close().
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MpegTSContext* avpriv_mpegts_parse_open | ( | AVFormatContext * | s | ) |
Definition at line 3382 of file mpegts.c.
Referenced by iec61883_read_header(), and mpegts_init().
int avpriv_mpegts_parse_packet | ( | MpegTSContext * | ts, |
AVPacket * | pkt, | ||
const uint8_t * | buf, | ||
int | len | ||
) |
Definition at line 3404 of file mpegts.c.
Referenced by iec61883_parse_queue_hdv(), and mpegts_handle_packet().
void avpriv_mpegts_parse_close | ( | MpegTSContext * | ts | ) |
Definition at line 3429 of file mpegts.c.
Referenced by ff_rtsp_close_streams(), iec61883_close(), and mpegts_close_context().
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const AVInputFormat ff_mpegts_demuxer |
Definition at line 3435 of file mpegts.c.
Referenced by mpegts_read_header().
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Definition at line 798 of file mpegts.c.
Referenced by mpegts_set_stream_info().
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Definition at line 823 of file mpegts.c.
Referenced by mpegts_set_stream_info().
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Definition at line 845 of file mpegts.c.
Referenced by mpegts_set_stream_info().
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Definition at line 852 of file mpegts.c.
Referenced by mpegts_set_stream_info().
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Definition at line 860 of file mpegts.c.
Referenced by ff_parse_mpeg2_descriptor().
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Definition at line 878 of file mpegts.c.
Referenced by ff_parse_mpeg2_descriptor().
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Definition at line 885 of file mpegts.c.
Referenced by ff_parse_mpeg2_descriptor().
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Definition at line 1795 of file mpegts.c.
Referenced by ff_parse_mpeg2_descriptor().
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Definition at line 1799 of file mpegts.c.
Referenced by ff_parse_mpeg2_descriptor().
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Definition at line 1803 of file mpegts.c.
Referenced by ff_parse_mpeg2_descriptor().
const AVInputFormat ff_mpegtsraw_demuxer |