mpegenc.c File Reference

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

Go to the source code of this file.

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
#define	MPEGENC_CLASS(flavor)

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	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)

Variables
AVOutputFormat	ff_mpeg1vcd_muxer
AVOutputFormat	ff_mpeg2dvd_muxer
AVOutputFormat	ff_mpeg2svcd_muxer
AVOutputFormat	ff_mpeg2vob_muxer
static const AVOption	options []

Macro Definition Documentation

#define MAX_PAYLOAD_SIZE   4096

Definition at line 36 of file mpegenc.c.

#define VCD_PADDING_BITRATE_DEN   (2279 * 2294)

Referenced by get_vcd_padding_size().

#define OFFSET

(

x

)

offsetof(MpegMuxContext, x)

Definition at line 1208 of file mpegenc.c.

#define E   AV_OPT_FLAG_ENCODING_PARAM

Definition at line 1209 of file mpegenc.c.

#define MPEGENC_CLASS

(

flavor

)

Value:

static const AVClass flavor ## _class = {       \
    .class_name = #flavor " muxer",             \
    .item_name  = av_default_item_name,         \
    .version    = LIBAVUTIL_VERSION_INT,        \
    .option     = options,                      \
};

Definition at line 1216 of file mpegenc.c.

Function Documentation

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

static

Definition at line 91 of file mpegenc.c.

Referenced by flush_packet().

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

static

Definition at line 125 of file mpegenc.c.

Referenced by flush_packet().

static int get_system_header_size ( AVFormatContext *  ctx )

static

Definition at line 274 of file mpegenc.c.

Referenced by mpeg_mux_init().

static av_cold int mpeg_mux_init ( AVFormatContext *  ctx )

static

Definition at line 297 of file mpegenc.c.

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

inlinestatic

Definition at line 530 of file mpegenc.c.

Referenced by flush_packet().

static int get_vcd_padding_size ( AVFormatContext *  ctx, int64_t  pts  )

static

Definition at line 539 of file mpegenc.c.

Referenced by output_packet().

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

static

Definition at line 562 of file mpegenc.c.

Referenced by flush_packet().

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

static

Definition at line 580 of file mpegenc.c.

Referenced by 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 596 of file mpegenc.c.

Referenced by output_packet().

static void put_vcd_padding_sector ( AVFormatContext *  ctx )

static

Definition at line 909 of file mpegenc.c.

Referenced by output_packet().

static int remove_decoded_packets ( AVFormatContext *  ctx, int64_t  scr  )

static

Definition at line 934 of file mpegenc.c.

Referenced by output_packet().

static int output_packet ( AVFormatContext *  ctx, int  flush  )

static

Examples:

transcode_aac.c.

Definition at line 961 of file mpegenc.c.

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

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

static

Definition at line 1107 of file mpegenc.c.

static int mpeg_mux_end ( AVFormatContext *  ctx )

static

Definition at line 1180 of file mpegenc.c.

Variable Documentation

AVOutputFormat ff_mpeg1vcd_muxer

Referenced by mpeg_mux_init().

AVOutputFormat ff_mpeg2dvd_muxer

Referenced by mpeg_mux_init().

AVOutputFormat ff_mpeg2svcd_muxer

Referenced by mpeg_mux_init().

AVOutputFormat ff_mpeg2vob_muxer

Referenced by mpeg_mux_init().

const AVOption options[]

static

Initial value:

= {
    { "muxrate", NULL,                                          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 1210 of file mpegenc.c.