#include "libavutil/buffer.h"
#include "libavutil/crc.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 "libavcodec/bytestream.h"
#include "libavcodec/get_bits.h"
#include "libavcodec/opus.h"
#include "avformat.h"
#include "mpegts.h"
#include "internal.h"
#include "avio_internal.h"
#include "mpeg.h"
#include "isom.h"

Data Structures
struct	MpegTSPESFilter

struct	MpegTSSectionFilter

struct	MpegTSFilter

struct	Program

struct	MpegTSContext

struct	PESContext

struct	SectionHeader

struct	StreamType

struct	MP4DescrParseContext

Macros
#define	MAX_RESYNC_SIZE 65536

#define	MAX_PES_PAYLOAD 200 * 1024

#define	MAX_MP4_DESCR_COUNT 16

#define	MOD_UNLIKELY(modulus, dividend, divisor, prev_dividend)

#define	MAX_PIDS_PER_PROGRAM 64

#define	SIZE_STAT_THRESHOLD 10

#define	MPEGTS_OPTIONS { "resync_size", "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	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 (MpegTSContext *ts, unsigned int programid)

static void	clear_programs (MpegTSContext *ts)

static void	add_pat_entry (MpegTSContext *ts, unsigned int programid)

static void	add_pid_to_pmt (MpegTSContext *ts, unsigned int programid, unsigned int pid)

static void	set_pmt_found (MpegTSContext *ts, unsigned int programid)

static void	set_pcr_pid (AVFormatContext *s, unsigned int programid, unsigned int pid)

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

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.

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 index, int probe)

static int	get_packet_size (const uint8_t *buf, int size)

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_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 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)

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.

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	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)

static void	reanalyze (MpegTSContext *ts)

static int	mpegts_resync (AVFormatContext *s)

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 (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

AVInputFormat	ff_mpegts_demuxer

static const StreamType	ISO_types []

static const StreamType	HDMV_types []

static const StreamType	MISC_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]

AVInputFormat	ff_mpegtsraw_demuxer

Macro Definition Documentation

#define MAX_RESYNC_SIZE 65536

Definition at line 42 of file mpegts.c.

#define MAX_PES_PAYLOAD 200 * 1024

Definition at line 44 of file mpegts.c.

Referenced by mpegts_push_data(), and new_pes_packet().

#define MAX_MP4_DESCR_COUNT 16

Definition at line 46 of file mpegts.c.

Referenced by m4sl_cb(), and pmt_cb().

#define MOD_UNLIKELY	(	modulus,
		dividend,
		divisor,
		prev_dividend
	)

Value:

do {                                                                       \
        if ((prev_dividend) == 0 || (dividend) - (prev_dividend) != (divisor)) \
            (modulus) = (dividend) % (divisor);                                \
        (prev_dividend) = (dividend);                                          \
    } while (0)

Definition at line 48 of file mpegts.c.

#define MAX_PIDS_PER_PROGRAM 64

Definition at line 97 of file mpegts.c.

Referenced by add_pid_to_pmt().

#define SIZE_STAT_THRESHOLD 10

Definition at line 116 of file mpegts.c.

Referenced by reanalyze().

#define MPEGTS_OPTIONS { "resync_size", "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 }

Definition at line 160 of file mpegts.c.

#define PES_START_SIZE 6

Definition at line 215 of file mpegts.c.

Referenced by mpegts_push_data(), and new_pes_packet().

#define PES_HEADER_SIZE 9

Definition at line 216 of file mpegts.c.

Referenced by mpegts_push_data().

#define MAX_PES_HEADER_SIZE (9 + 255)

Definition at line 217 of file mpegts.c.

#define MAX_LEVEL 4

Definition at line 1217 of file mpegts.c.

Referenced by parse_mp4_descr().

#define CHECK_COUNT 10

#define CHECK_BLOCK 100

Referenced by mpegts_probe().

#define MAX_PACKET_READAHEAD ((128 * 1024) / 188)

Definition at line 2551 of file mpegts.c.

Referenced by mpegts_raw_read_packet().

Typedef Documentation

typedef int PESCallback(MpegTSFilter *f, const uint8_t *buf, int len, int is_start, int64_t pos)

Definition at line 63 of file mpegts.c.

typedef void SectionCallback(MpegTSFilter *f, const uint8_t *buf, int len)

Definition at line 71 of file mpegts.c.

typedef void SetServiceCallback(void *opaque, int ret)

Definition at line 73 of file mpegts.c.

Enumeration Type Documentation

enum MpegTSFilterType

Enumerator:

MPEGTS_PES
MPEGTS_SECTION
MPEGTS_PCR

Definition at line 55 of file mpegts.c.

enum MpegTSState

Enumerator:

MPEGTS_HEADER
MPEGTS_PESHEADER
MPEGTS_PESHEADER_FILL
MPEGTS_PAYLOAD
MPEGTS_SKIP

Definition at line 206 of file mpegts.c.

Function Documentation

static struct Program* get_program	(	MpegTSContext *	ts,
		unsigned int	programid
	)

staticread

Definition at line 243 of file mpegts.c.

Referenced by add_pid_to_pmt(), and set_pmt_found().

static void clear_avprogram	(	MpegTSContext *	ts,
		unsigned int	programid
	)

static

Definition at line 254 of file mpegts.c.

Referenced by clear_program(), and pat_cb().

static void clear_program	(	MpegTSContext *	ts,
		unsigned int	programid
	)

static

Definition at line 269 of file mpegts.c.

Referenced by pmt_cb().

static void clear_programs ( MpegTSContext * ts )

static

Definition at line 281 of file mpegts.c.

Referenced by mpegts_free(), and pat_cb().

static void add_pat_entry	(	MpegTSContext *	ts,
		unsigned int	programid
	)

static

Definition at line 287 of file mpegts.c.

Referenced by pat_cb().

static void add_pid_to_pmt	(	MpegTSContext *	ts,
		unsigned int	programid,
		unsigned int	pid
	)

static

Definition at line 301 of file mpegts.c.

Referenced by pat_cb(), and pmt_cb().

static void set_pmt_found	(	MpegTSContext *	ts,
		unsigned int	programid
	)

static

Definition at line 319 of file mpegts.c.

Referenced by pmt_cb().

static void set_pcr_pid	(	AVFormatContext *	s,
		unsigned int	programid,
		unsigned int	pid
	)

static

Definition at line 328 of file mpegts.c.

Referenced by pmt_cb().

static int discard_pid	(	MpegTSContext *	ts,
		unsigned int	pid
	)

static

discard_pid() decides if the pid is to be discarded according to caller's programs selection

Parameters

ts	: - TS context
pid	: - pid

Returns: 1 if the pid is only comprised in programs that have .discard=AVDISCARD_ALL 0 otherwise

Definition at line 347 of file mpegts.c.

Referenced by handle_packet().

static void write_section_data	(	MpegTSContext *	ts,
		MpegTSFilter *	tss1,
		const uint8_t *	buf,
		int	buf_size,
		int	is_start
	)

static

Assemble PES packets out of TS packets, and then call the "section_cb" function when they are complete.

Definition at line 385 of file mpegts.c.

Referenced by handle_packet().

static MpegTSFilter* mpegts_open_filter	(	MpegTSContext *	ts,
		unsigned int	pid,
		enum MpegTSFilterType	type
	)

static

Definition at line 433 of file mpegts.c.

Referenced by mpegts_open_pcr_filter(), mpegts_open_pes_filter(), and mpegts_open_section_filter().

static MpegTSFilter* mpegts_open_section_filter	(	MpegTSContext *	ts,
		unsigned int	pid,
		SectionCallback *	section_cb,
		void *	opaque,
		int	check_crc
	)

static

Definition at line 456 of file mpegts.c.

Referenced by avpriv_mpegts_parse_open(), ff_parse_mpeg2_descriptor(), mpegts_read_header(), and pat_cb().

static MpegTSFilter* mpegts_open_pes_filter	(	MpegTSContext *	ts,
		unsigned int	pid,
		PESCallback *	pes_cb,
		void *	opaque
	)

static

Definition at line 479 of file mpegts.c.

Referenced by add_pes_stream().

static MpegTSFilter* mpegts_open_pcr_filter	(	MpegTSContext *	ts,
		unsigned int	pid
	)

static

Definition at line 495 of file mpegts.c.

Referenced by pmt_cb().

static void mpegts_close_filter	(	MpegTSContext *	ts,
		MpegTSFilter *	filter
	)

static

Definition at line 500 of file mpegts.c.

Referenced by mpegts_free(), pat_cb(), and pmt_cb().

static int analyze	(	const uint8_t *	buf,
		int	size,
		int	packet_size,
		int *	index,
		int	probe
	)

static

Definition at line 521 of file mpegts.c.

Referenced by get_packet_size(), and mpegts_probe().

static int get_packet_size	(	const uint8_t *	buf,
		int	size
	)

static

Definition at line 549 of file mpegts.c.

Referenced by mpegts_read_header().

static int get8	(	const uint8_t **	pp,
		const uint8_t *	p_end
	)

inlinestatic

Definition at line 580 of file mpegts.c.

Referenced by ff_parse_mpeg2_descriptor(), getstr8(), parse_section_header(), pmt_cb(), and sdt_cb().

static int get16	(	const uint8_t **	pp,
		const uint8_t *	p_end
	)

inlinestatic

Definition at line 593 of file mpegts.c.

Referenced by ff_parse_mpeg2_descriptor(), parse_section_header(), pat_cb(), pmt_cb(), and sdt_cb().

static char* getstr8	(	const uint8_t **	pp,
		const uint8_t *	p_end
	)

static

Definition at line 608 of file mpegts.c.

Referenced by sdt_cb().

static int parse_section_header	(	SectionHeader *	h,
		const uint8_t **	pp,
		const uint8_t *	p_end
	)

static

Definition at line 630 of file mpegts.c.

Referenced by m4sl_cb(), pat_cb(), pmt_cb(), and sdt_cb().

static void mpegts_find_stream_type	(	AVStream *	st,
		uint32_t	stream_type,
		const StreamType *	types
	)

static

Definition at line 737 of file mpegts.c.

Referenced by ff_parse_mpeg2_descriptor(), and mpegts_set_stream_info().

static int mpegts_set_stream_info	(	AVStream *	st,
		PESContext *	pes,
		uint32_t	stream_type,
		uint32_t	prog_reg_desc
	)

static

Definition at line 755 of file mpegts.c.

Referenced by mpegts_push_data(), and pmt_cb().

static void reset_pes_packet_state ( PESContext * pes )

static

Definition at line 820 of file mpegts.c.

Referenced by mpegts_push_data(), and new_pes_packet().

static void new_pes_packet	(	PESContext *	pes,
		AVPacket *	pkt
	)

static

Definition at line 829 of file mpegts.c.

Referenced by mpegts_push_data(), and mpegts_read_packet().

static uint64_t get_ts64	(	GetBitContext *	gb,
		int	bits
	)

static

Definition at line 860 of file mpegts.c.

Referenced by read_sl_header().

static int read_sl_header	(	PESContext *	pes,
		SLConfigDescr *	sl,
		const uint8_t *	buf,
		int	buf_size
	)

static

Definition at line 867 of file mpegts.c.

Referenced by mpegts_push_data().

static int mpegts_push_data	(	MpegTSFilter *	filter,
		const uint8_t *	buf,
		int	buf_size,
		int	is_start,
		int64_t	pos
	)

static

Definition at line 939 of file mpegts.c.

Referenced by add_pes_stream().

static PESContext* add_pes_stream	(	MpegTSContext *	ts,
		int	pid,
		int	pcr_pid
	)

static

Definition at line 1193 of file mpegts.c.

Referenced by handle_packet(), and pmt_cb().

static int init_MP4DescrParseContext	(	MP4DescrParseContext *	d,
		AVFormatContext *	s,
		const uint8_t *	buf,
		unsigned	size,
		Mp4Descr *	descr,
		int	max_descr_count
	)

static

Definition at line 1229 of file mpegts.c.

Referenced by mp4_read_iods(), and mp4_read_od().

static void update_offsets	(	AVIOContext *	pb,
		int64_t *	off,
		int *	len
	)

static

Definition at line 1251 of file mpegts.c.

Referenced by parse_mp4_descr(), parse_mp4_descr_arr(), parse_MP4ESDescrTag(), parse_MP4IODescrTag(), and parse_MP4ODescrTag().

static int parse_mp4_descr	(	MP4DescrParseContext *	d,
		int64_t	off,
		int	len,
		int	target_tag
	)

static

Definition at line 1369 of file mpegts.c.

Referenced by mp4_read_iods(), parse_mp4_descr_arr(), and parse_MP4ESDescrTag().

static int parse_mp4_descr_arr	(	MP4DescrParseContext *	d,
		int64_t	off,
		int	len
	)

static

Definition at line 1261 of file mpegts.c.

Referenced by mp4_read_od(), parse_MP4IODescrTag(), and parse_MP4ODescrTag().

static int parse_MP4IODescrTag	(	MP4DescrParseContext *	d,
		int64_t	off,
		int	len
	)

static

Definition at line 1272 of file mpegts.c.

Referenced by parse_mp4_descr().

static int parse_MP4ODescrTag	(	MP4DescrParseContext *	d,
		int64_t	off,
		int	len
	)

static

Definition at line 1284 of file mpegts.c.

Referenced by parse_mp4_descr().

static int parse_MP4ESDescrTag	(	MP4DescrParseContext *	d,
		int64_t	off,
		int	len
	)

static

Definition at line 1298 of file mpegts.c.

Referenced by parse_mp4_descr().

static int parse_MP4DecConfigDescrTag	(	MP4DescrParseContext *	d,
		int64_t	off,
		int	len
	)

static

Definition at line 1316 of file mpegts.c.

Referenced by parse_mp4_descr().

static int parse_MP4SLDescrTag	(	MP4DescrParseContext *	d,
		int64_t	off,
		int	len
	)

static

Definition at line 1330 of file mpegts.c.

Referenced by parse_mp4_descr().

static int mp4_read_iods	(	AVFormatContext *	s,
		const uint8_t *	buf,
		unsigned	size,
		Mp4Descr *	descr,
		int *	descr_count,
		int	max_descr_count
	)

static

Definition at line 1418 of file mpegts.c.

Referenced by pmt_cb().

static int mp4_read_od	(	AVFormatContext *	s,
		const uint8_t *	buf,
		unsigned	size,
		Mp4Descr *	descr,
		int *	descr_count,
		int	max_descr_count
	)

static

Definition at line 1434 of file mpegts.c.

Referenced by m4sl_cb().

static void m4sl_cb	(	MpegTSFilter *	filter,
		const uint8_t *	section,
		int	section_len
	)

static

Definition at line 1450 of file mpegts.c.

Referenced by ff_parse_mpeg2_descriptor().

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.

Parameters

[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

Returns: <0 to stop processing

Definition at line 1535 of file mpegts.c.

Referenced by parse_chunks(), and pmt_cb().

static void pmt_cb	(	MpegTSFilter *	filter,
		const uint8_t *	section,
		int	section_len
	)

static

Definition at line 1787 of file mpegts.c.

Referenced by pat_cb().

static void pat_cb	(	MpegTSFilter *	filter,
		const uint8_t *	section,
		int	section_len
	)

static

Definition at line 1955 of file mpegts.c.

Referenced by avpriv_mpegts_parse_open(), and mpegts_read_header().

static void sdt_cb	(	MpegTSFilter *	filter,
		const uint8_t *	section,
		int	section_len
	)

static

Definition at line 2027 of file mpegts.c.

Referenced by avpriv_mpegts_parse_open(), and mpegts_read_header().

static int parse_pcr	(	int64_t *	ppcr_high,
		int *	ppcr_low,
		const uint8_t *	packet
	)

static

Definition at line 2420 of file mpegts.c.

Referenced by handle_packet(), mpegts_get_pcr(), mpegts_raw_read_packet(), and mpegts_read_header().

static int handle_packet	(	MpegTSContext *	ts,
		const uint8_t *	packet
	)

static

Definition at line 2111 of file mpegts.c.

Referenced by avpriv_mpegts_parse_packet(), and handle_packets().

static void reanalyze ( MpegTSContext * ts )

static

Definition at line 2240 of file mpegts.c.

Referenced by mpegts_resync().

static int mpegts_resync ( AVFormatContext * s )

static

Definition at line 2275 of file mpegts.c.

Referenced by mpegts_get_pcr(), and read_packet().

static int read_packet	(	AVFormatContext *	s,
		uint8_t *	buf,
		int	raw_packet_size,
		const uint8_t **	data
	)

static

Definition at line 2298 of file mpegts.c.

Referenced by handle_packets(), mpegts_raw_read_packet(), and mpegts_read_header().

static void finished_reading_packet	(	AVFormatContext *	s,
		int	raw_packet_size
	)

static

Definition at line 2325 of file mpegts.c.

Referenced by handle_packets(), mpegts_raw_read_packet(), and mpegts_read_header().

static int handle_packets	(	MpegTSContext *	ts,
		int64_t	nb_packets
	)

static

Definition at line 2333 of file mpegts.c.

Referenced by mpegts_read_header(), and mpegts_read_packet().

static int mpegts_probe ( AVProbeData * p )

static

Definition at line 2384 of file mpegts.c.

static void seek_back	(	AVFormatContext *	s,
		AVIOContext *	pb,
		int64_t	pos
	)

static

Definition at line 2446 of file mpegts.c.

Referenced by mpegts_read_header().

static int mpegts_read_header ( AVFormatContext * s )

static

Definition at line 2455 of file mpegts.c.

static int mpegts_raw_read_packet	(	AVFormatContext *	s,
		AVPacket *	pkt
	)

static

Definition at line 2553 of file mpegts.c.

static int mpegts_read_packet	(	AVFormatContext *	s,
		AVPacket *	pkt
	)

static

Definition at line 2601 of file mpegts.c.

static void mpegts_free ( MpegTSContext * ts )

static

Definition at line 2629 of file mpegts.c.

Referenced by avpriv_mpegts_parse_close(), and mpegts_read_close().

static int mpegts_read_close ( AVFormatContext * s )

static

Definition at line 2640 of file mpegts.c.

static av_unused int64_t mpegts_get_pcr	(	AVFormatContext *	s,
		int	stream_index,
		int64_t *	ppos,
		int64_t	pos_limit
	)

static

Definition at line 2647 of file mpegts.c.

static int64_t mpegts_get_dts	(	AVFormatContext *	s,
		int	stream_index,
		int64_t *	ppos,
		int64_t	pos_limit
	)

static

Definition at line 2682 of file mpegts.c.

MpegTSContext* avpriv_mpegts_parse_open ( AVFormatContext * s )

Definition at line 2717 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 2736 of file mpegts.c.

Referenced by iec61883_parse_queue_hdv(), and mpegts_handle_packet().

void avpriv_mpegts_parse_close ( MpegTSContext * ts )

Definition at line 2761 of file mpegts.c.

Referenced by ff_rtsp_close_streams(), iec61883_close(), and mpegts_close_context().

Variable Documentation

const AVOption options[]

static

Initial value:

= {
    MPEGTS_OPTIONS,
    {"fix_teletext_pts", "Try to fix pts values of dvb teletext streams.", 0x42, AV_OPT_TYPE_INT,
     {.i64 = 1}, 0, 1, AV_OPT_FLAG_DECODING_PARAM },
    {"ts_packetsize", "Output option carrying the raw packet size.", 0x42, AV_OPT_TYPE_INT,
     {.i64 = 0}, 0, 0, AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_EXPORT | AV_OPT_FLAG_READONLY },
    {"scan_all_pmts",   "Scan and combine all PMTs", 0x42, AV_OPT_TYPE_INT,
     { .i64 =  -1}, -1, 1,  AV_OPT_FLAG_DECODING_PARAM },
    {"skip_changes", "Skip changing / adding streams / programs.", 0x42, AV_OPT_TYPE_INT,
     {.i64 = 0}, 0, 1, 0 },
    {"skip_clear", "Skip clearing programs.", 0x42, AV_OPT_TYPE_INT,
     {.i64 = 0}, 0, 1, 0 },
    { NULL },
}

Definition at line 163 of file mpegts.c.

const AVClass mpegts_class

static

Initial value:

= {
    .class_name = "mpegts demuxer",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 178 of file mpegts.c.

const AVOption raw_options[]

static

Initial value:

= {
    MPEGTS_OPTIONS,
    { "compute_pcr",   "Compute exact PCR for each transport stream packet.",
          0x42, AV_OPT_TYPE_INT,
          { .i64 = 0 }, 0, 1,  AV_OPT_FLAG_DECODING_PARAM },
    { "ts_packetsize", "Output option carrying the raw packet size.",
      0x42, AV_OPT_TYPE_INT,
      { .i64 = 0 }, 0, 0,
      AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_EXPORT | AV_OPT_FLAG_READONLY },
    { NULL },
}

Definition at line 185 of file mpegts.c.

const AVClass mpegtsraw_class

static

Initial value:

= {
    .class_name = "mpegtsraw demuxer",
    .item_name  = av_default_item_name,
    .option     = raw_options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 197 of file mpegts.c.

AVInputFormat ff_mpegts_demuxer

Initial value:

= {
    .name           = "mpegts",
    .long_name      = NULL_IF_CONFIG_SMALL("MPEG-TS (MPEG-2 Transport Stream)"),
    .priv_data_size = sizeof(MpegTSContext),
    .read_probe     = mpegts_probe,
    .read_header    = mpegts_read_header,
    .read_packet    = mpegts_read_packet,
    .read_close     = mpegts_read_close,
    .read_timestamp = mpegts_get_dts,
    .flags          = AVFMT_SHOW_IDS | AVFMT_TS_DISCONT,
    .priv_class     = &mpegts_class,
}

Definition at line 2767 of file mpegts.c.

const StreamType ISO_types[]

static

Initial value:

= {
    { 0x01, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_MPEG2VIDEO },
    { 0x02, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_MPEG2VIDEO },
    { 0x03, AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_MP3        },
    { 0x04, AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_MP3        },
    { 0x0f, AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_AAC        },
    { 0x10, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_MPEG4      },
    
    { 0x11, AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_AAC_LATM   }, 
    { 0x1b, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_H264       },
    { 0x20, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_H264       },
    { 0x24, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_HEVC       },
    { 0x42, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_CAVS       },
    { 0xd1, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_DIRAC      },
    { 0xea, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_VC1        },
    { 0 },
}

Definition at line 665 of file mpegts.c.

const StreamType HDMV_types[]

static

Initial value:

= {
    { 0x80, AVMEDIA_TYPE_AUDIO,    AV_CODEC_ID_PCM_BLURAY        },
    { 0x81, AVMEDIA_TYPE_AUDIO,    AV_CODEC_ID_AC3               },
    { 0x82, AVMEDIA_TYPE_AUDIO,    AV_CODEC_ID_DTS               },
    { 0x83, AVMEDIA_TYPE_AUDIO,    AV_CODEC_ID_TRUEHD            },
    { 0x84, AVMEDIA_TYPE_AUDIO,    AV_CODEC_ID_EAC3              },
    { 0x85, AVMEDIA_TYPE_AUDIO,    AV_CODEC_ID_DTS               }, 
    { 0x86, AVMEDIA_TYPE_AUDIO,    AV_CODEC_ID_DTS               }, 
    { 0xa1, AVMEDIA_TYPE_AUDIO,    AV_CODEC_ID_EAC3              }, 
    { 0xa2, AVMEDIA_TYPE_AUDIO,    AV_CODEC_ID_DTS               }, 
    { 0x90, AVMEDIA_TYPE_SUBTITLE, AV_CODEC_ID_HDMV_PGS_SUBTITLE },
    { 0 },
}

Definition at line 686 of file mpegts.c.

const StreamType MISC_types[]

static

Initial value:

= {
    { 0x81, AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_AC3 },
    { 0x8a, AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_DTS },
    { 0 },
}

Definition at line 701 of file mpegts.c.

const StreamType REGD_types[]

static

Initial value:

= {
    { MKTAG('d', 'r', 'a', 'c'), AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_DIRAC },
    { MKTAG('A', 'C', '-', '3'), AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_AC3   },
    { MKTAG('B', 'S', 'S', 'D'), AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_S302M },
    { MKTAG('D', 'T', 'S', '1'), AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_DTS   },
    { MKTAG('D', 'T', 'S', '2'), AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_DTS   },
    { MKTAG('D', 'T', 'S', '3'), AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_DTS   },
    { MKTAG('H', 'E', 'V', 'C'), AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_HEVC  },
    { MKTAG('K', 'L', 'V', 'A'), AVMEDIA_TYPE_DATA,  AV_CODEC_ID_SMPTE_KLV },
    { MKTAG('V', 'C', '-', '1'), AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_VC1   },
    { MKTAG('O', 'p', 'u', 's'), AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_OPUS  },
    { 0 },
}

Definition at line 707 of file mpegts.c.

const StreamType METADATA_types[]

static

Initial value:

= {
    { MKTAG('K','L','V','A'), AVMEDIA_TYPE_DATA, AV_CODEC_ID_SMPTE_KLV },
    { MKTAG('I','D','3',' '), AVMEDIA_TYPE_DATA, AV_CODEC_ID_TIMED_ID3 },
    { 0 },
}

Definition at line 721 of file mpegts.c.

const StreamType DESC_types[]

static

Initial value:

= {
    { 0x6a, AVMEDIA_TYPE_AUDIO,    AV_CODEC_ID_AC3          }, 
    { 0x7a, AVMEDIA_TYPE_AUDIO,    AV_CODEC_ID_EAC3         }, 
    { 0x7b, AVMEDIA_TYPE_AUDIO,    AV_CODEC_ID_DTS          },
    { 0x56, AVMEDIA_TYPE_SUBTITLE, AV_CODEC_ID_DVB_TELETEXT },
    { 0x59, AVMEDIA_TYPE_SUBTITLE, AV_CODEC_ID_DVB_SUBTITLE }, 
    { 0 },
}

Definition at line 728 of file mpegts.c.

const uint8_t opus_coupled_stream_cnt[9]

static

Initial value:

= {
    1, 0, 1, 1, 2, 2, 2, 3, 3
}

Definition at line 1516 of file mpegts.c.

Referenced by ff_parse_mpeg2_descriptor().

const uint8_t opus_stream_cnt[9]

static

Initial value:

= {
    1, 1, 1, 2, 2, 3, 4, 4, 5,
}

Definition at line 1520 of file mpegts.c.

Referenced by ff_parse_mpeg2_descriptor().

const uint8_t opus_channel_map[8][8]

static

Initial value:

= {
    { 0 },
    { 0,1 },
    { 0,2,1 },
    { 0,1,2,3 },
    { 0,4,1,2,3 },
    { 0,4,1,2,3,5 },
    { 0,4,1,2,3,5,6 },
    { 0,6,1,2,3,4,5,7 },
}

Definition at line 1524 of file mpegts.c.

Referenced by ff_parse_mpeg2_descriptor().

AVInputFormat ff_mpegtsraw_demuxer

Initial value:

= {
    .name           = "mpegtsraw",
    .long_name      = NULL_IF_CONFIG_SMALL("raw MPEG-TS (MPEG-2 Transport Stream)"),
    .priv_data_size = sizeof(MpegTSContext),
    .read_header    = mpegts_read_header,
    .read_packet    = mpegts_raw_read_packet,
    .read_close     = mpegts_read_close,
    .read_timestamp = mpegts_get_dts,
    .flags          = AVFMT_SHOW_IDS | AVFMT_TS_DISCONT,
    .priv_class     = &mpegtsraw_class,
}

Definition at line 2780 of file mpegts.c.

Data Structures

Macros

Typedefs

Enumerations

Functions

Variables

Macro Definition Documentation

Typedef Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation