#include "config_components.h"
#include <stdint.h>
#include "libavutil/attributes.h"
#include "libavutil/fifo.h"
#include "libavutil/log.h"
#include "libavutil/mathematics.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavcodec/put_bits.h"
#include "avformat.h"
#include "avio_internal.h"
#include "internal.h"
#include "mpeg.h"
#include "mux.h"

Data Structures
struct	PacketDesc

struct	StreamInfo

struct	MpegMuxContext

Macros
#define	MAX_PAYLOAD_SIZE 4096

#define	VCD_PADDING_BITRATE_DEN (2279 * 2294)

#define	OFFSET(x) offsetof(MpegMuxContext, x)

#define	E AV_OPT_FLAG_ENCODING_PARAM

Functions
static int	put_pack_header (AVFormatContext ctx, uint8_t buf, int64_t timestamp)

static int	put_system_header (AVFormatContext ctx, uint8_t buf, int only_for_stream_id)

static int	get_system_header_size (AVFormatContext *ctx)

static av_cold int	mpeg_mux_init (AVFormatContext *ctx)

static void	put_timestamp (AVIOContext *pb, int id, int64_t timestamp)

static int	get_vcd_padding_size (AVFormatContext *ctx, int64_t pts)

static void	put_padding_packet (AVFormatContext ctx, AVIOContext pb, int packet_bytes)

static int	get_nb_frames (AVFormatContext ctx, StreamInfo stream, int len)

static int	fifo_avio_wrapper (void opaque, void buf, size_t *nb_elems)

static int	flush_packet (AVFormatContext *ctx, int stream_index, int64_t pts, int64_t dts, int64_t scr, int trailer_size)

static void	put_vcd_padding_sector (AVFormatContext *ctx)

static int	remove_decoded_packets (AVFormatContext *ctx, int64_t scr)

static int	output_packet (AVFormatContext *ctx, int flush)

static int	mpeg_mux_write_packet (AVFormatContext ctx, AVPacket pkt)

static int	mpeg_mux_end (AVFormatContext *ctx)

static void	mpeg_mux_deinit (AVFormatContext *ctx)

Variables
const FFOutputFormat	ff_mpeg1vcd_muxer

const FFOutputFormat	ff_mpeg2dvd_muxer

const FFOutputFormat	ff_mpeg2svcd_muxer

const FFOutputFormat	ff_mpeg2vob_muxer

static const AVOption	options []

static const AVClass	mpeg_class

Macro Definition Documentation

◆ MAX_PAYLOAD_SIZE

#define MAX_PAYLOAD_SIZE 4096

Definition at line 41 of file mpegenc.c.

◆ VCD_PADDING_BITRATE_DEN

#define VCD_PADDING_BITRATE_DEN (2279 * 2294)

◆ OFFSET

#define OFFSET ( x ) offsetof(MpegMuxContext, x)

Definition at line 1292 of file mpegenc.c.

◆ E

#define E AV_OPT_FLAG_ENCODING_PARAM

Definition at line 1293 of file mpegenc.c.

Function Documentation

◆ put_pack_header()

static int put_pack_header	(	AVFormatContext *	ctx,
		uint8_t *	buf,
		int64_t	timestamp
	)

static

Definition at line 96 of file mpegenc.c.

Referenced by flush_packet().

◆ put_system_header()

static int put_system_header	(	AVFormatContext *	ctx,
		uint8_t *	buf,
		int	only_for_stream_id
	)

static

Definition at line 130 of file mpegenc.c.

Referenced by flush_packet().

◆ get_system_header_size()

static int get_system_header_size ( AVFormatContext * ctx )

static

Definition at line 279 of file mpegenc.c.

Referenced by mpeg_mux_init().

◆ mpeg_mux_init()

static av_cold int mpeg_mux_init ( AVFormatContext * ctx )

static

Definition at line 302 of file mpegenc.c.

◆ put_timestamp()

static void put_timestamp	(	AVIOContext *	pb,
		int	id,
		int64_t	timestamp
	)

inlinestatic

Definition at line 580 of file mpegenc.c.

Referenced by flush_packet().

◆ get_vcd_padding_size()

static int get_vcd_padding_size	(	AVFormatContext *	ctx,
		int64_t	pts
	)

static

Definition at line 589 of file mpegenc.c.

Referenced by output_packet().

◆ put_padding_packet()

static void put_padding_packet	(	AVFormatContext *	ctx,
		AVIOContext *	pb,
		int	packet_bytes
	)

static

Definition at line 612 of file mpegenc.c.

Referenced by flush_packet().

◆ get_nb_frames()

static int get_nb_frames	(	AVFormatContext *	ctx,
		StreamInfo *	stream,
		int	len
	)

static

Definition at line 628 of file mpegenc.c.

Referenced by flush_packet().

◆ fifo_avio_wrapper()

static int fifo_avio_wrapper	(	void *	opaque,
		void *	buf,
		size_t *	nb_elems
	)

static

Definition at line 643 of file mpegenc.c.

Referenced by flush_packet().

◆ flush_packet()

static int flush_packet	(	AVFormatContext *	ctx,
		int	stream_index,
		int64_t	pts,
		int64_t	dts,
		int64_t	scr,
		int	trailer_size
	)

static

Definition at line 650 of file mpegenc.c.

Referenced by output_packet().

◆ put_vcd_padding_sector()

static void put_vcd_padding_sector ( AVFormatContext * ctx )

static

Definition at line 958 of file mpegenc.c.

Referenced by output_packet().

◆ remove_decoded_packets()

static int remove_decoded_packets	(	AVFormatContext *	ctx,
		int64_t	scr
	)

static

Definition at line 981 of file mpegenc.c.

Referenced by output_packet().

◆ output_packet()

static int output_packet	(	AVFormatContext *	ctx,
		int	flush
	)

static

Examples: transcode_aac.c.

Definition at line 1010 of file mpegenc.c.

Referenced by encode_audio_frame(), mpeg_mux_end(), and mpeg_mux_write_packet().

◆ mpeg_mux_write_packet()

static int mpeg_mux_write_packet	(	AVFormatContext *	ctx,
		AVPacket *	pkt
	)

static

Definition at line 1156 of file mpegenc.c.

◆ mpeg_mux_end()

static int mpeg_mux_end ( AVFormatContext * ctx )

static

Definition at line 1251 of file mpegenc.c.

◆ mpeg_mux_deinit()

static void mpeg_mux_deinit ( AVFormatContext * ctx )

static

Definition at line 1277 of file mpegenc.c.

Variable Documentation

◆ ff_mpeg1vcd_muxer

const FFOutputFormat ff_mpeg1vcd_muxer

Referenced by mpeg_mux_init().

◆ ff_mpeg2dvd_muxer

const FFOutputFormat ff_mpeg2dvd_muxer

Referenced by mpeg_mux_init().

◆ ff_mpeg2svcd_muxer

const FFOutputFormat ff_mpeg2svcd_muxer

Referenced by mpeg_mux_init().

◆ ff_mpeg2vob_muxer

const FFOutputFormat ff_mpeg2vob_muxer

Referenced by mpeg_mux_init().

◆ options

const AVOption options[]

static

Initial value:

= {
    { "muxrate", "mux rate as bits/s", OFFSET(user_mux_rate), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, ((1<<22) - 1) * (8 * 50), E },
    { "preload", "initial demux-decode delay in microseconds", OFFSET(preload),  AV_OPT_TYPE_INT, { .i64 = 500000 }, 0, INT_MAX, E },
    { NULL },
}

Definition at line 1294 of file mpegenc.c.

◆ mpeg_class

const AVClass mpeg_class

static

Initial value:

= {
    .class_name = "mpeg/(s)vcd/vob/dvd muxer",
    .item_name  = av_default_item_name,
    .version    = LIBAVUTIL_VERSION_INT,
    .option     = options,
}

Definition at line 1300 of file mpegenc.c.

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

◆ MAX_PAYLOAD_SIZE

◆ VCD_PADDING_BITRATE_DEN

◆ OFFSET

◆ E

Function Documentation

◆ put_pack_header()

◆ put_system_header()

◆ get_system_header_size()

◆ mpeg_mux_init()

◆ put_timestamp()

◆ get_vcd_padding_size()

◆ put_padding_packet()

◆ get_nb_frames()

◆ fifo_avio_wrapper()

◆ flush_packet()

◆ put_vcd_padding_sector()

◆ remove_decoded_packets()

◆ output_packet()

◆ mpeg_mux_write_packet()

◆ mpeg_mux_end()

◆ mpeg_mux_deinit()

Variable Documentation

◆ ff_mpeg1vcd_muxer

◆ ff_mpeg2dvd_muxer

◆ ff_mpeg2svcd_muxer

◆ ff_mpeg2vob_muxer

◆ options

◆ mpeg_class