mpegts.c File Reference

#include <gpac/mpegts.h>
#include <string.h>
#include <gpac/constants.h>
#include <gpac/internal/media_dev.h>
#include <gpac/download.h>
#include <gpac/internal/ietf_dev.h>

Include dependency graph for mpegts.c:

Data Structures
struct	ADTSHeader

Macros
#define	DEBUG_TS_PACKET   0
#define	ADJUST_TIMESTAMP(_TS)

Functions
const char *	gf_m2ts_get_stream_name (u32 streamType)
static u32	gf_m2ts_reframe_default (GF_M2TS_Demuxer *ts, GF_M2TS_PES *pes, Bool same_pts, unsigned char *data, u32 data_len)
static u32	gf_m2ts_reframe_reset (GF_M2TS_Demuxer *ts, GF_M2TS_PES *pes, Bool same_pts, unsigned char *data, u32 data_len)
static u32	gf_m2ts_reframe_nalu_video (GF_M2TS_Demuxer *ts, GF_M2TS_PES *pes, Bool same_pts, unsigned char *data, u32 data_len, Bool is_hevc)
static u32	gf_m2ts_reframe_avc_h264 (GF_M2TS_Demuxer *ts, GF_M2TS_PES *pes, Bool same_pts, unsigned char *data, u32 data_len)
static u32	gf_m2ts_reframe_hevc (GF_M2TS_Demuxer *ts, GF_M2TS_PES *pes, Bool same_pts, unsigned char *data, u32 data_len)
static u32	gf_m2ts_reframe_mpeg_video (GF_M2TS_Demuxer *ts, GF_M2TS_PES *pes, Bool same_pts, unsigned char *data, u32 data_len)
static u32	gf_m2ts_reframe_aac_adts (GF_M2TS_Demuxer *ts, GF_M2TS_PES *pes, Bool same_pts, unsigned char *data, u32 data_len)
static u32	gf_m2ts_reframe_aac_latm (GF_M2TS_Demuxer *ts, GF_M2TS_PES *pes, Bool same_pts, unsigned char *data, u32 data_len)
static u32	gf_m2ts_reframe_mpeg_audio (GF_M2TS_Demuxer *ts, GF_M2TS_PES *pes, Bool same_pts, unsigned char *data, u32 data_len)
static u32	gf_m2ts_sync (GF_M2TS_Demuxer *ts, Bool simple_check)
Bool	gf_m2ts_crc32_check (char *data, u32 len)
static GF_M2TS_SectionFilter *	gf_m2ts_section_filter_new (gf_m2ts_section_callback process_section_callback, Bool process_individual)
static void	gf_m2ts_reset_sections (GF_List *sections)
static void	gf_m2ts_section_filter_reset (GF_M2TS_SectionFilter *sf)
static void	gf_m2ts_section_filter_del (GF_M2TS_SectionFilter *sf)
void	gf_m2ts_es_del (GF_M2TS_ES *es, GF_M2TS_Demuxer *ts)
static void	gf_m2ts_reset_sdt (GF_M2TS_Demuxer *ts)
static void	gf_m2ts_section_complete (GF_M2TS_Demuxer *ts, GF_M2TS_SectionFilter *sec, GF_M2TS_SECTION_ES *ses)
static Bool	gf_m2ts_is_long_section (u8 table_id)
static u32	gf_m2ts_get_section_length (char byte0, char byte1, char byte2)
static void	gf_m2ts_gather_section (GF_M2TS_Demuxer *ts, GF_M2TS_SectionFilter *sec, GF_M2TS_SECTION_ES *ses, GF_M2TS_Header *hdr, unsigned char *data, u32 data_size)
static void	gf_m2ts_process_sdt (GF_M2TS_Demuxer *ts, GF_M2TS_SECTION_ES *ses, GF_List *sections, u8 table_id, u16 ex_table_id, u8 version_number, u8 last_section_number, u32 status)
static void	gf_m2ts_process_mpeg4section (GF_M2TS_Demuxer *ts, GF_M2TS_SECTION_ES *es, GF_List *sections, u8 table_id, u16 ex_table_id, u8 version_number, u8 last_section_number, u32 status)
static void	gf_m2ts_process_nit (GF_M2TS_Demuxer *ts, GF_M2TS_SECTION_ES *nit_es, GF_List *sections, u8 table_id, u16 ex_table_id, u8 version_number, u8 last_section_number, u32 status)
static void	dvb_decode_mjd_date (u32 date, u16 *year, u8 *month, u8 *day)
static void	gf_m2ts_process_tdt_tot (GF_M2TS_Demuxer *ts, GF_M2TS_SECTION_ES *tdt_tot_es, GF_List *sections, u8 table_id, u16 ex_table_id, u8 version_number, u8 last_section_number, u32 status)
static void	gf_m2ts_process_pmt (GF_M2TS_Demuxer *ts, GF_M2TS_SECTION_ES *pmt, GF_List *sections, u8 table_id, u16 ex_table_id, u8 version_number, u8 last_section_number, u32 status)
static void	gf_m2ts_process_pat (GF_M2TS_Demuxer *ts, GF_M2TS_SECTION_ES *ses, GF_List *sections, u8 table_id, u16 ex_table_id, u8 version_number, u8 last_section_number, u32 status)
static void	gf_m2ts_process_cat (GF_M2TS_Demuxer *ts, GF_M2TS_SECTION_ES *ses, GF_List *sections, u8 table_id, u16 ex_table_id, u8 version_number, u8 last_section_number, u32 status)
u64	gf_m2ts_get_pts (unsigned char *data)
void	gf_m2ts_pes_header (GF_M2TS_PES *pes, unsigned char *data, u32 data_size, GF_M2TS_PESHeader *pesh)
static void	gf_m2ts_flush_pes (GF_M2TS_Demuxer *ts, GF_M2TS_PES *pes)
static void	gf_m2ts_process_pes (GF_M2TS_Demuxer *ts, GF_M2TS_PES *pes, GF_M2TS_Header *hdr, unsigned char *data, u32 data_size, GF_M2TS_AdaptationField *paf)
static void	gf_m2ts_get_adaptation_field (GF_M2TS_Demuxer *ts, GF_M2TS_AdaptationField *paf, unsigned char *data, u32 size, u32 pid)
static void	gf_m2ts_process_packet (GF_M2TS_Demuxer *ts, unsigned char *data)
GF_Err	gf_m2ts_process_data (GF_M2TS_Demuxer *ts, char *data, u32 data_size)
GF_ESD *	gf_m2ts_get_esd (GF_M2TS_ES *es)
void	gf_m2ts_set_segment_switch (GF_M2TS_Demuxer *ts)
void	gf_m2ts_reset_parsers (GF_M2TS_Demuxer *ts)
static void	gf_m2ts_process_section_discard (GF_M2TS_Demuxer *ts, GF_M2TS_SECTION_ES *es, GF_List *sections, u8 table_id, u16 ex_table_id, u8 version_number, u8 last_section_number, u32 status)
GF_Err	gf_m2ts_set_pes_framing (GF_M2TS_PES *pes, u32 mode)
GF_M2TS_Demuxer *	gf_m2ts_demux_new ()
void	gf_m2ts_demux_dmscc_init (GF_M2TS_Demuxer *ts)
void	gf_m2ts_demux_del (GF_M2TS_Demuxer *ts)
void	gf_m2ts_print_info (GF_M2TS_Demuxer *ts)
GF_Err	gf_m2ts_demux_file (GF_M2TS_Demuxer *ts, const char *fileName, u64 start_byterange, u64 end_byterange, u32 refresh_type, Bool signal_end_of_stream)
static u32	gf_m2ts_demuxer_run (void *_p)
GF_Err	gf_m2ts_get_socket (const char *url, const char *mcast_ifce_or_mobileip, u32 buf_size, GF_Socket **out_socket)
static GF_Err	gf_m2ts_demuxer_setup_live (GF_M2TS_Demuxer *ts, char *url)
static GF_Err	gf_m2ts_demuxer_setup_file (GF_M2TS_Demuxer *ts, char *url)
GF_Err	gf_m2ts_demuxer_setup (GF_M2TS_Demuxer *ts, const char *url, Bool loop)
GF_Err	gf_m2ts_demuxer_close (GF_M2TS_Demuxer *ts)
GF_Err	gf_m2ts_demuxer_play (GF_M2TS_Demuxer *ts)
Bool	gf_m2ts_probe_file (const char *fileName)
static void	rewrite_pts_dts (unsigned char *ptr, u64 TS)
GF_Err	gf_m2ts_restamp (char *buffer, u32 size, s64 ts_shift, u8 *is_pes)

---

Data Structure Documentation

struct ADTSHeader

Collaboration diagram for ADTSHeader:

Data Fields
Bool	is_mp2
Bool	no_crc
u32	profile
u32	sr_idx
u32	nb_ch
u32	frame_size
u32	hdr_size

Macro Definition Documentation

#define DEBUG_TS_PACKET   0

#define ADJUST_TIMESTAMP

(

_TS

)

Value:

if (_TS < (u64) -ts_shift) _TS = pcr_mod + _TS + ts_shift; \
        else _TS = _TS + ts_shift; \
        while (_TS > pcr_mod) _TS -= pcr_mod; \

Function Documentation

const char* gf_m2ts_get_stream_name

(

u32

streamType

)

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static u32 gf_m2ts_reframe_default ( GF_M2TS_Demuxer *  ts, GF_M2TS_PES *  pes, Bool  same_pts, unsigned char *  data, u32  data_len  )

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static u32 gf_m2ts_reframe_reset ( GF_M2TS_Demuxer *  ts, GF_M2TS_PES *  pes, Bool  same_pts, unsigned char *  data, u32  data_len  )

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static u32 gf_m2ts_reframe_nalu_video ( GF_M2TS_Demuxer *  ts, GF_M2TS_PES *  pes, Bool  same_pts, unsigned char *  data, u32  data_len, Bool  is_hevc  )

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static u32 gf_m2ts_reframe_avc_h264 ( GF_M2TS_Demuxer *  ts, GF_M2TS_PES *  pes, Bool  same_pts, unsigned char *  data, u32  data_len  )

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static u32 gf_m2ts_reframe_hevc ( GF_M2TS_Demuxer *  ts, GF_M2TS_PES *  pes, Bool  same_pts, unsigned char *  data, u32  data_len  )

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static u32 gf_m2ts_reframe_mpeg_video ( GF_M2TS_Demuxer *  ts, GF_M2TS_PES *  pes, Bool  same_pts, unsigned char *  data, u32  data_len  )

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static u32 gf_m2ts_reframe_aac_adts ( GF_M2TS_Demuxer *  ts, GF_M2TS_PES *  pes, Bool  same_pts, unsigned char *  data, u32  data_len  )

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static u32 gf_m2ts_reframe_aac_latm ( GF_M2TS_Demuxer *  ts, GF_M2TS_PES *  pes, Bool  same_pts, unsigned char *  data, u32  data_len  )

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static u32 gf_m2ts_reframe_mpeg_audio ( GF_M2TS_Demuxer *  ts, GF_M2TS_PES *  pes, Bool  same_pts, unsigned char *  data, u32  data_len  )

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static u32 gf_m2ts_sync ( GF_M2TS_Demuxer *  ts, Bool  simple_check  )

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Bool gf_m2ts_crc32_check	(	char *	data,
		u32	len
	)

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static GF_M2TS_SectionFilter* gf_m2ts_section_filter_new ( gf_m2ts_section_callback  process_section_callback, Bool  process_individual  )

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static void gf_m2ts_reset_sections ( GF_List *  sections )

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static void gf_m2ts_section_filter_reset ( GF_M2TS_SectionFilter *  sf )

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static void gf_m2ts_section_filter_del ( GF_M2TS_SectionFilter *  sf )

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void gf_m2ts_es_del	(	GF_M2TS_ES *	es,
		GF_M2TS_Demuxer *	ts
	)

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static void gf_m2ts_reset_sdt ( GF_M2TS_Demuxer *  ts )

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static void gf_m2ts_section_complete ( GF_M2TS_Demuxer *  ts, GF_M2TS_SectionFilter *  sec, GF_M2TS_SECTION_ES *  ses  )

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static Bool gf_m2ts_is_long_section ( u8  table_id )

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static u32 gf_m2ts_get_section_length ( char  byte0, char  byte1, char  byte2  )

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static void gf_m2ts_gather_section ( GF_M2TS_Demuxer *  ts, GF_M2TS_SectionFilter *  sec, GF_M2TS_SECTION_ES *  ses, GF_M2TS_Header *  hdr, unsigned char *  data, u32  data_size  )

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static void gf_m2ts_process_sdt ( GF_M2TS_Demuxer *  ts, GF_M2TS_SECTION_ES *  ses, GF_List *  sections, u8  table_id, u16  ex_table_id, u8  version_number, u8  last_section_number, u32  status  )

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static void gf_m2ts_process_mpeg4section ( GF_M2TS_Demuxer *  ts, GF_M2TS_SECTION_ES *  es, GF_List *  sections, u8  table_id, u16  ex_table_id, u8  version_number, u8  last_section_number, u32  status  )

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static void gf_m2ts_process_nit ( GF_M2TS_Demuxer *  ts, GF_M2TS_SECTION_ES *  nit_es, GF_List *  sections, u8  table_id, u16  ex_table_id, u8  version_number, u8  last_section_number, u32  status  )

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static void dvb_decode_mjd_date ( u32  date, u16 *  year, u8 *  month, u8 *  day  )

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static void gf_m2ts_process_tdt_tot ( GF_M2TS_Demuxer *  ts, GF_M2TS_SECTION_ES *  tdt_tot_es, GF_List *  sections, u8  table_id, u16  ex_table_id, u8  version_number, u8  last_section_number, u32  status  )

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static void gf_m2ts_process_pmt ( GF_M2TS_Demuxer *  ts, GF_M2TS_SECTION_ES *  pmt, GF_List *  sections, u8  table_id, u16  ex_table_id, u8  version_number, u8  last_section_number, u32  status  )

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static void gf_m2ts_process_pat ( GF_M2TS_Demuxer *  ts, GF_M2TS_SECTION_ES *  ses, GF_List *  sections, u8  table_id, u16  ex_table_id, u8  version_number, u8  last_section_number, u32  status  )

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static void gf_m2ts_process_cat ( GF_M2TS_Demuxer *  ts, GF_M2TS_SECTION_ES *  ses, GF_List *  sections, u8  table_id, u16  ex_table_id, u8  version_number, u8  last_section_number, u32  status  )

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u64 gf_m2ts_get_pts

(

unsigned char *

data

)

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void gf_m2ts_pes_header	(	GF_M2TS_PES *	pes,
		unsigned char *	data,
		u32	data_size,
		GF_M2TS_PESHeader *	pesh
	)

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static void gf_m2ts_flush_pes ( GF_M2TS_Demuxer *  ts, GF_M2TS_PES *  pes  )

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static void gf_m2ts_process_pes ( GF_M2TS_Demuxer *  ts, GF_M2TS_PES *  pes, GF_M2TS_Header *  hdr, unsigned char *  data, u32  data_size, GF_M2TS_AdaptationField *  paf  )

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static void gf_m2ts_get_adaptation_field ( GF_M2TS_Demuxer *  ts, GF_M2TS_AdaptationField *  paf, unsigned char *  data, u32  size, u32  pid  )

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static void gf_m2ts_process_packet ( GF_M2TS_Demuxer *  ts, unsigned char *  data  )

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GF_Err gf_m2ts_process_data	(	GF_M2TS_Demuxer *	ts,
		char *	data,
		u32	data_size
	)

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GF_ESD* gf_m2ts_get_esd

(

GF_M2TS_ES *

es

)

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void gf_m2ts_set_segment_switch

(

GF_M2TS_Demuxer *

ts

)

void gf_m2ts_reset_parsers

(

GF_M2TS_Demuxer *

ts

)

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static void gf_m2ts_process_section_discard ( GF_M2TS_Demuxer *  ts, GF_M2TS_SECTION_ES *  es, GF_List *  sections, u8  table_id, u16  ex_table_id, u8  version_number, u8  last_section_number, u32  status  )

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GF_Err gf_m2ts_set_pes_framing	(	GF_M2TS_PES *	pes,
		u32	mode
	)

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GF_M2TS_Demuxer* gf_m2ts_demux_new

(

)

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void gf_m2ts_demux_dmscc_init

(

GF_M2TS_Demuxer *

ts

)

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void gf_m2ts_demux_del

(

GF_M2TS_Demuxer *

ts

)

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void gf_m2ts_print_info

(

GF_M2TS_Demuxer *

ts

)

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GF_Err gf_m2ts_demux_file	(	GF_M2TS_Demuxer *	ts,
		const char *	fileName,
		u64	start_byterange,
		u64	end_byterange,
		u32	refresh_type,
		Bool	signal_end_of_stream
	)

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static u32 gf_m2ts_demuxer_run ( void *  _p )

static

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GF_Err gf_m2ts_get_socket	(	const char *	url,
		const char *	mcast_ifce_or_mobileip,
		u32	buf_size,
		GF_Socket **	out_socket
	)

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static GF_Err gf_m2ts_demuxer_setup_live ( GF_M2TS_Demuxer *  ts, char *  url  )

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static GF_Err gf_m2ts_demuxer_setup_file ( GF_M2TS_Demuxer *  ts, char *  url  )

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GF_Err gf_m2ts_demuxer_setup	(	GF_M2TS_Demuxer *	ts,
		const char *	url,
		Bool	loop
	)

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GF_Err gf_m2ts_demuxer_close

(

GF_M2TS_Demuxer *

ts

)

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GF_Err gf_m2ts_demuxer_play

(

GF_M2TS_Demuxer *

ts

)

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Bool gf_m2ts_probe_file

(

const char *

fileName

)

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static void rewrite_pts_dts ( unsigned char *  ptr, u64  TS  )

static

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GF_Err gf_m2ts_restamp	(	char *	buffer,
		u32	size,
		s64	ts_shift,
		u8 *	is_pes
	)

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