adtsenc.c File Reference

#include "libavcodec/get_bits.h"
#include "libavcodec/put_bits.h"
#include "libavcodec/codec_id.h"
#include "libavcodec/codec_par.h"
#include "libavcodec/packet.h"
#include "libavcodec/mpeg4audio.h"
#include "libavcodec/mpeg4audio_copy_pce.h"
#include "libavutil/opt.h"
#include "avformat.h"
#include "apetag.h"
#include "id3v2.h"
#include "mux.h"

Go to the source code of this file.

Data Structures
struct	ADTSContext

Macros
#define	ADTS_HEADER_SIZE   7
#define	ADTS_MAX_FRAME_BYTES   ((1 << 14) - 1)
#define	ENC   AV_OPT_FLAG_ENCODING_PARAM
#define	OFFSET(obj)   offsetof(ADTSContext, obj)

Functions
static int	adts_decode_extradata (AVFormatContext *s, ADTSContext *adts, const uint8_t *buf, int size)
static int	adts_init (AVFormatContext *s)
static int	adts_write_header (AVFormatContext *s)
static int	adts_write_frame_header (ADTSContext *ctx, uint8_t *buf, int size, int pce_size)
static int	adts_write_packet (AVFormatContext *s, AVPacket *pkt)
static int	adts_write_trailer (AVFormatContext *s)

Variables
static const AVOption	options []
static const AVClass	adts_muxer_class
const FFOutputFormat	ff_adts_muxer

Macro Definition Documentation

ADTS_HEADER_SIZE

#define ADTS_HEADER_SIZE   7

Definition at line 36 of file adtsenc.c.

ADTS_MAX_FRAME_BYTES

#define ADTS_MAX_FRAME_BYTES   ((1 << 14) - 1)

Definition at line 51 of file adtsenc.c.

ENC

#define ENC   AV_OPT_FLAG_ENCODING_PARAM

Definition at line 220 of file adtsenc.c.

OFFSET

#define OFFSET

(

obj

)

offsetof(ADTSContext, obj)

Definition at line 221 of file adtsenc.c.

Function Documentation

adts_decode_extradata()

static int adts_decode_extradata ( AVFormatContext *  s, ADTSContext *  adts, const uint8_t *  buf, int  size  )

static

Definition at line 53 of file adtsenc.c.

Referenced by adts_init(), and adts_write_packet().

adts_init()

static int adts_init ( AVFormatContext *  s )

static

Definition at line 104 of file adtsenc.c.

adts_write_header()

static int adts_write_header ( AVFormatContext *  s )

static

Definition at line 120 of file adtsenc.c.

adts_write_frame_header()

static int adts_write_frame_header ( ADTSContext *  ctx, uint8_t *  buf, int  size, int  pce_size  )

static

Definition at line 130 of file adtsenc.c.

Referenced by adts_write_packet().

adts_write_packet()

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

static

Definition at line 168 of file adtsenc.c.

adts_write_trailer()

static int adts_write_trailer ( AVFormatContext *  s )

static

Definition at line 210 of file adtsenc.c.

Variable Documentation

options

const AVOption options[]

static

Initial value:

= {
    { "write_id3v2",  "Enable ID3v2 tag writing",   OFFSET(id3v2tag), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, ENC},
    { "write_apetag", "Enable APE tag writing",     OFFSET(apetag),   AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, ENC},
    { "write_mpeg2",  "Set MPEG version to MPEG-2", OFFSET(mpeg_id),  AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, ENC},
    { NULL },
}

Definition at line 222 of file adtsenc.c.

adts_muxer_class

const AVClass adts_muxer_class

static

Initial value:

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

Definition at line 229 of file adtsenc.c.

ff_adts_muxer

const FFOutputFormat ff_adts_muxer

Initial value:

= {
    .p.name            = "adts",
    .p.long_name       = NULL_IF_CONFIG_SMALL("ADTS AAC (Advanced Audio Coding)"),
    .p.mime_type       = "audio/aac",
    .p.extensions      = "aac,adts",
    .priv_data_size    = sizeof(ADTSContext),
    .p.audio_codec     = AV_CODEC_ID_AAC,
    .p.video_codec     = AV_CODEC_ID_NONE,
    .init              = adts_init,
    .write_header      = adts_write_header,
    .write_packet      = adts_write_packet,
    .write_trailer     = adts_write_trailer,
    .p.priv_class      = &adts_muxer_class,
    .p.flags           = AVFMT_NOTIMESTAMPS,
}

Definition at line 236 of file adtsenc.c.