#include "libavutil/bswap.h"
#include "libavutil/crc.h"
#include "libavutil/dict.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "libavcodec/internal.h"
#include "avformat.h"
#include "internal.h"
#include "mpegts.h"

Data Structures
struct	MpegTSSection
struct	MpegTSService
struct	MpegTSWrite
struct	MpegTSWriteStream

Macros
#define	PCR_TIME_BASE 27000000
#define	MPEGTS_FLAG_REEMIT_PAT_PMT 0x01
#define	MPEGTS_FLAG_AAC_LATM 0x02
#define	DEFAULT_PES_HEADER_FREQ 16
#define	DEFAULT_PES_PAYLOAD_SIZE ((DEFAULT_PES_HEADER_FREQ - 1) * 184 + 170)
#define	DEFAULT_PROVIDER_NAME "Libav"
#define	DEFAULT_SERVICE_NAME "Service01"
#define	SDT_RETRANS_TIME 500
#define	PAT_RETRANS_TIME 100
#define	PCR_RETRANS_TIME 20

Functions
static void	mpegts_write_section (MpegTSSection s, uint8_t buf, int len)
static void	put16 (uint8_t **q_ptr, int val)
static int	mpegts_write_section1 (MpegTSSection s, int tid, int id, int version, int sec_num, int last_sec_num, uint8_t buf, int len)
static void	mpegts_write_pat (AVFormatContext *s)
static void	mpegts_write_pmt (AVFormatContext s, MpegTSService service)
static void	putstr8 (uint8_t *q_ptr, const char str)
static void	mpegts_write_sdt (AVFormatContext *s)
static MpegTSService *	mpegts_add_service (MpegTSWrite ts, int sid, const char provider_name, const char *name)
static void	section_write_packet (MpegTSSection s, const uint8_t packet)
static int	mpegts_write_header (AVFormatContext *s)
static void	retransmit_si_info (AVFormatContext *s)
static int64_t	get_pcr (const MpegTSWrite ts, AVIOContext pb)
static int	write_pcr_bits (uint8_t *buf, int64_t pcr)
static void	mpegts_insert_null_packet (AVFormatContext *s)
static void	mpegts_insert_pcr_only (AVFormatContext s, AVStream st)
static void	write_pts (uint8_t *q, int fourbits, int64_t pts)
static void	set_af_flag (uint8_t *pkt, int flag)
static void	extend_af (uint8_t *pkt, int size)
static uint8_t *	get_ts_payload_start (uint8_t *pkt)
static void	mpegts_write_pes (AVFormatContext s, AVStream st, const uint8_t *payload, int payload_size, int64_t pts, int64_t dts, int key)
static int	mpegts_write_packet_internal (AVFormatContext s, AVPacket pkt)
static void	mpegts_write_flush (AVFormatContext *s)
static int	mpegts_write_packet (AVFormatContext s, AVPacket pkt)
static int	mpegts_write_end (AVFormatContext *s)

Variables
static const AVOption	options []
static const AVClass	mpegts_muxer_class
AVOutputFormat	ff_mpegts_muxer

Macro Definition Documentation

#define PCR_TIME_BASE 27000000

Definition at line 33 of file mpegtsenc.c.

Referenced by get_pcr(), and mpegts_write_header().

#define MPEGTS_FLAG_REEMIT_PAT_PMT 0x01

Definition at line 82 of file mpegtsenc.c.

Referenced by mpegts_write_packet_internal().

#define MPEGTS_FLAG_AAC_LATM 0x02

Definition at line 83 of file mpegtsenc.c.

Referenced by mpegts_write_header(), and mpegts_write_pmt().

#define DEFAULT_PES_HEADER_FREQ 16

Definition at line 88 of file mpegtsenc.c.

#define DEFAULT_PES_PAYLOAD_SIZE ((DEFAULT_PES_HEADER_FREQ - 1) * 184 + 170)

Definition at line 89 of file mpegtsenc.c.

#define DEFAULT_PROVIDER_NAME "Libav"

Definition at line 212 of file mpegtsenc.c.

Referenced by mpegts_write_header().

#define DEFAULT_SERVICE_NAME "Service01"

Definition at line 213 of file mpegtsenc.c.

Referenced by mpegts_write_header().

#define SDT_RETRANS_TIME 500

Definition at line 216 of file mpegtsenc.c.

Referenced by mpegts_write_header().

#define PAT_RETRANS_TIME 100

Definition at line 217 of file mpegtsenc.c.

Referenced by mpegts_write_header().

#define PCR_RETRANS_TIME 20

Definition at line 218 of file mpegtsenc.c.

Referenced by mpegts_write_header().

Function Documentation

static void mpegts_write_section	(	MpegTSSection *	s,
		uint8_t *	buf,
		int	len
	)

static

Definition at line 127 of file mpegtsenc.c.

Referenced by mpegts_write_section1().

static void put16	(	uint8_t **	q_ptr,
		int	val
	)

inlinestatic

Definition at line 173 of file mpegtsenc.c.

Referenced by mpegts_write_pat(), mpegts_write_pmt(), mpegts_write_sdt(), and mpegts_write_section1().

static int mpegts_write_section1	(	MpegTSSection *	s,
		int	tid,
		int	id,
		int	version,
		int	sec_num,
		int	last_sec_num,
		uint8_t *	buf,
		int	len
	)

static

Definition at line 182 of file mpegtsenc.c.

Referenced by mpegts_write_pat(), mpegts_write_pmt(), and mpegts_write_sdt().

static void mpegts_write_pat ( AVFormatContext * s )

static

Definition at line 233 of file mpegtsenc.c.

Referenced by retransmit_si_info().

static void mpegts_write_pmt	(	AVFormatContext *	s,
		MpegTSService *	service
	)

static

Definition at line 250 of file mpegtsenc.c.

Referenced by retransmit_si_info().

static void putstr8	(	uint8_t **	q_ptr,
		const char *	str
	)

static

Definition at line 388 of file mpegtsenc.c.

Referenced by mpegts_write_sdt().

static void mpegts_write_sdt ( AVFormatContext * s )

static

Definition at line 404 of file mpegtsenc.c.

Referenced by retransmit_si_info().

static MpegTSService* mpegts_add_service	(	MpegTSWrite *	ts,
		int	sid,
		const char *	provider_name,
		const char *	name
	)

static

Definition at line 442 of file mpegtsenc.c.

Referenced by mpegts_write_header().

static void section_write_packet	(	MpegTSSection *	s,
		const uint8_t *	packet
	)

static

Definition at line 461 of file mpegtsenc.c.

Referenced by mpegts_write_header().

static int mpegts_write_header ( AVFormatContext * s )

static

Definition at line 467 of file mpegtsenc.c.

static void retransmit_si_info ( AVFormatContext * s )

static

Definition at line 662 of file mpegtsenc.c.

Referenced by mpegts_write_pes().

static int64_t get_pcr	(	const MpegTSWrite *	ts,
		AVIOContext *	pb
	)

static

Definition at line 680 of file mpegtsenc.c.

Referenced by mpegts_insert_pcr_only(), and mpegts_write_pes().

static int write_pcr_bits	(	uint8_t *	buf,
		int64_t	pcr
	)

static

Definition at line 686 of file mpegtsenc.c.

Referenced by mpegts_insert_pcr_only(), and mpegts_write_pes().

static void mpegts_insert_null_packet ( AVFormatContext * s )

static

Definition at line 701 of file mpegtsenc.c.

Referenced by mpegts_write_pes().

static void mpegts_insert_pcr_only	(	AVFormatContext *	s,
		AVStream *	st
	)

static

Definition at line 716 of file mpegtsenc.c.

Referenced by mpegts_write_pes().

static void write_pts	(	uint8_t *	q,
		int	fourbits,
		int64_t	pts
	)

static

Definition at line 740 of file mpegtsenc.c.

Referenced by mpegts_write_pes().

static void set_af_flag	(	uint8_t *	pkt,
		int	flag
	)

static

Definition at line 755 of file mpegtsenc.c.

Referenced by mpegts_write_pes().

static void extend_af	(	uint8_t *	pkt,
		int	size
	)

static

Definition at line 771 of file mpegtsenc.c.

Referenced by mpegts_write_pes().

static uint8_t* get_ts_payload_start ( uint8_t * pkt )

static

Definition at line 779 of file mpegtsenc.c.

Referenced by mpegts_write_pes().

static void mpegts_write_pes	(	AVFormatContext *	s,
		AVStream *	st,
		const uint8_t *	payload,
		int	payload_size,
		int64_t	pts,
		int64_t	dts,
		int	key
	)

static

Definition at line 792 of file mpegtsenc.c.

Referenced by mpegts_write_flush(), and mpegts_write_packet_internal().

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

static

Definition at line 978 of file mpegtsenc.c.

Referenced by mpegts_write_packet().

static void mpegts_write_flush ( AVFormatContext * s )

static

Definition at line 1110 of file mpegtsenc.c.

Referenced by mpegts_write_end(), and mpegts_write_packet().

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

static

Definition at line 1128 of file mpegtsenc.c.

static int mpegts_write_end ( AVFormatContext * s )

static

Definition at line 1138 of file mpegtsenc.c.

Variable Documentation

const AVOption options[]

static

Initial value:

 {
    { "mpegts_transport_stream_id", "Set transport_stream_id field.",
      0x42, AV_OPT_TYPE_INT, {.i64 = 0x0001 }, 0x0001, 0xffff, AV_OPT_FLAG_ENCODING_PARAM},
    { "mpegts_original_network_id", "Set original_network_id field.",
      0x42, AV_OPT_TYPE_INT, {.i64 = 0x0001 }, 0x0001, 0xffff, AV_OPT_FLAG_ENCODING_PARAM},
    { "mpegts_service_id", "Set service_id field.",
      0x42, AV_OPT_TYPE_INT, {.i64 = 0x0001 }, 0x0001, 0xffff, AV_OPT_FLAG_ENCODING_PARAM},
    { "mpegts_pmt_start_pid", "Set the first pid of the PMT.",
      0x42, AV_OPT_TYPE_INT, {.i64 = 0x1000 }, 0x1000, 0x1f00, AV_OPT_FLAG_ENCODING_PARAM},
    { "mpegts_start_pid", "Set the first pid.",
      0x42, AV_OPT_TYPE_INT, {.i64 = 0x0100 }, 0x0100, 0x0f00, AV_OPT_FLAG_ENCODING_PARAM},
    { "muxrate", NULL, 0x42, AV_OPT_TYPE_INT, {.i64 = 1}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
    { "pes_payload_size", "Minimum PES packet payload in bytes",
      0x42, AV_OPT_TYPE_INT, {.i64 = DEFAULT_PES_PAYLOAD_SIZE}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
    { "mpegts_flags", "MPEG-TS muxing flags", 0x42, AV_OPT_TYPE_FLAGS, {.i64 = 0}, 0, INT_MAX,
      AV_OPT_FLAG_ENCODING_PARAM, "mpegts_flags" },
    { "resend_headers", "Reemit PAT/PMT before writing the next packet",
      0, AV_OPT_TYPE_CONST, {.i64 = MPEGTS_FLAG_REEMIT_PAT_PMT}, 0, INT_MAX,
      AV_OPT_FLAG_ENCODING_PARAM, "mpegts_flags"},
    { "latm", "Use LATM packetization for AAC",
      0, AV_OPT_TYPE_CONST, {.i64 = MPEGTS_FLAG_AAC_LATM}, 0, INT_MAX,
      AV_OPT_FLAG_ENCODING_PARAM, "mpegts_flags"},
    
    { "resend_headers", "Reemit PAT/PMT before writing the next packet",
      0x42, AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
    { NULL },
}

Definition at line 91 of file mpegtsenc.c.

const AVClass mpegts_muxer_class

static

Initial value:

 {
    .class_name     = "MPEGTS muxer",
    .item_name      = av_default_item_name,
    .option         = options,
    .version        = LIBAVUTIL_VERSION_INT,
}

Definition at line 119 of file mpegtsenc.c.

AVOutputFormat ff_mpegts_muxer

Initial value:

 {
    .name              = "mpegts",
    .long_name         = NULL_IF_CONFIG_SMALL("MPEG-TS (MPEG-2 Transport Stream)"),
    .mime_type         = "video/x-mpegts",
    .extensions        = "ts,m2t",
    .priv_data_size    = sizeof(MpegTSWrite),
    .audio_codec       = AV_CODEC_ID_MP2,
    .video_codec       = AV_CODEC_ID_MPEG2VIDEO,
    .write_header      = mpegts_write_header,
    .write_packet      = mpegts_write_packet,
    .write_trailer     = mpegts_write_end,
    .flags             = AVFMT_ALLOW_FLUSH,
    .priv_class        = &mpegts_muxer_class,
}

Definition at line 1167 of file mpegtsenc.c.

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation