adtsenc.c File Reference

#include "libavcodec/get_bits.h"
#include "libavcodec/put_bits.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/mpeg4audio.h"
#include "libavutil/opt.h"
#include "avformat.h"
#include "apetag.h"
#include "id3v2.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 << 13) - 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_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
AVOutputFormat	ff_adts_muxer

Macro Definition Documentation

#define ADTS_HEADER_SIZE   7

Definition at line 32 of file adtsenc.c.

Referenced by adts_write_frame_header(), and adts_write_packet().

#define ADTS_MAX_FRAME_BYTES   ((1 << 13) - 1)

Definition at line 46 of file adtsenc.c.

Referenced by adts_write_frame_header().

#define ENC   AV_OPT_FLAG_ENCODING_PARAM

Definition at line 183 of file adtsenc.c.

#define OFFSET

(

obj

)

offsetof(ADTSContext, obj)

Definition at line 184 of file adtsenc.c.

Function Documentation

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

static

Definition at line 48 of file adtsenc.c.

Referenced by adts_write_header().

static int adts_write_header ( AVFormatContext *  s )

static

Definition at line 97 of file adtsenc.c.

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

static

Definition at line 111 of file adtsenc.c.

Referenced by adts_write_packet().

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

static

Definition at line 149 of file adtsenc.c.

static int adts_write_trailer ( AVFormatContext *  s )

static

Definition at line 173 of file adtsenc.c.

Variable Documentation

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},
    { NULL },
}

Definition at line 185 of file adtsenc.c.

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 191 of file adtsenc.c.

AVOutputFormat ff_adts_muxer

Initial value:

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

Definition at line 198 of file adtsenc.c.