FFmpeg
Data Structures | Macros | Functions | Variables
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 "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 << 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 AVOutputFormat ff_adts_muxer
 

Macro Definition Documentation

◆ ADTS_HEADER_SIZE

#define ADTS_HEADER_SIZE   7

Definition at line 34 of file adtsenc.c.

◆ ADTS_MAX_FRAME_BYTES

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

Definition at line 49 of file adtsenc.c.

◆ ENC

#define ENC   AV_OPT_FLAG_ENCODING_PARAM

Definition at line 218 of file adtsenc.c.

◆ OFFSET

#define OFFSET (   obj)    offsetof(ADTSContext, obj)

Definition at line 219 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 51 of file adtsenc.c.

Referenced by adts_init(), and adts_write_packet().

◆ adts_init()

static int adts_init ( AVFormatContext s)
static

Definition at line 102 of file adtsenc.c.

◆ adts_write_header()

static int adts_write_header ( AVFormatContext s)
static

Definition at line 118 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 128 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 166 of file adtsenc.c.

◆ adts_write_trailer()

static int adts_write_trailer ( AVFormatContext s)
static

Definition at line 208 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 220 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,
}

Definition at line 227 of file adtsenc.c.

◆ ff_adts_muxer

const 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,
.priv_class = &adts_muxer_class,
}

Definition at line 234 of file adtsenc.c.

adts_write_trailer
static int adts_write_trailer(AVFormatContext *s)
Definition: adtsenc.c:208
adts_init
static int adts_init(AVFormatContext *s)
Definition: adtsenc.c:102
AVFMT_NOTIMESTAMPS
#define AVFMT_NOTIMESTAMPS
Format does not need / have any timestamps.
Definition: avformat.h:481
options
static const AVOption options[]
Definition: adtsenc.c:220
init
static int init
Definition: av_tx.c:47
adts_write_packet
static int adts_write_packet(AVFormatContext *s, AVPacket *pkt)
Definition: adtsenc.c:166
adts_write_header
static int adts_write_header(AVFormatContext *s)
Definition: adtsenc.c:118
LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
NULL
#define NULL
Definition: coverity.c:32
write_trailer
static int write_trailer(AVFormatContext *s1)
Definition: v4l2enc.c:100
av_default_item_name
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:237
ENC
#define ENC
Definition: adtsenc.c:218
AV_CODEC_ID_AAC
@ AV_CODEC_ID_AAC
Definition: codec_id.h:429
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
AV_CODEC_ID_NONE
@ AV_CODEC_ID_NONE
Definition: codec_id.h:48
adts_muxer_class
static const AVClass adts_muxer_class
Definition: adtsenc.c:227
AV_OPT_TYPE_BOOL
@ AV_OPT_TYPE_BOOL
Definition: opt.h:244
flags
#define flags(name, subs,...)
Definition: cbs_av1.c:561
write_packet
static int write_packet(AVFormatContext *s1, AVPacket *pkt)
Definition: v4l2enc.c:92
write_header
static void write_header(FFV1Context *f)
Definition: ffv1enc.c:346
OFFSET
#define OFFSET(obj)
Definition: adtsenc.c:219
ADTSContext
Definition: adtsenc.c:36