latmenc.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 "internal.h"
#include "rawenc.h"

Go to the source code of this file.

Data Structures
struct	LATMContext

Macros
#define	MAX_EXTRADATA_SIZE   1024

Functions
static int	latm_decode_extradata (AVFormatContext *s, uint8_t *buf, int size)
static int	latm_write_header (AVFormatContext *s)
static void	copy_bits (PutBitContext *pb, const uint8_t *src, int length)
static void	latm_write_frame_header (AVFormatContext *s, PutBitContext *bs)
static int	latm_write_packet (AVFormatContext *s, AVPacket *pkt)
static int	latm_check_bitstream (struct AVFormatContext *s, const AVPacket *pkt)

Variables
static const AVOption	options []
static const AVClass	latm_muxer_class
AVOutputFormat	ff_latm_muxer

Macro Definition Documentation

MAX_EXTRADATA_SIZE

#define MAX_EXTRADATA_SIZE   1024

Definition at line 31 of file latmenc.c.

Function Documentation

latm_decode_extradata()

static int latm_decode_extradata ( AVFormatContext *  s, uint8_t *  buf, int  size  )

static

Definition at line 56 of file latmenc.c.

Referenced by latm_write_header(), and latm_write_packet().

latm_write_header()

static int latm_write_header ( AVFormatContext *  s )

static

Definition at line 86 of file latmenc.c.

copy_bits()

static void copy_bits ( PutBitContext *  pb, const uint8_t *  src, int  length  )

static

Definition at line 104 of file latmenc.c.

Referenced by latm_write_frame_header(), and latm_write_packet().

latm_write_frame_header()

static void latm_write_frame_header ( AVFormatContext *  s, PutBitContext *  bs  )

static

Definition at line 115 of file latmenc.c.

Referenced by latm_write_packet().

latm_write_packet()

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

static

Definition at line 161 of file latmenc.c.

latm_check_bitstream()

static int latm_check_bitstream ( struct AVFormatContext *  s, const AVPacket *  pkt  )

static

Definition at line 246 of file latmenc.c.

Variable Documentation

options

const AVOption options[]

static

Initial value:

= {
    {"smc-interval", "StreamMuxConfig interval.",
     0x42, AV_OPT_TYPE_INT, {.i64 = 0x0014}, 0x0001, 0xffff, AV_OPT_FLAG_ENCODING_PARAM},
    {NULL},
}

Definition at line 43 of file latmenc.c.

latm_muxer_class

const AVClass latm_muxer_class

static

Initial value:

= {
    .class_name = "LATM/LOAS muxer",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 49 of file latmenc.c.

ff_latm_muxer

AVOutputFormat ff_latm_muxer

Initial value:

= {
    .name           = "latm",
    .long_name      = NULL_IF_CONFIG_SMALL("LOAS/LATM"),
    .mime_type      = "audio/MP4A-LATM",
    .extensions     = "latm,loas",
    .priv_data_size = sizeof(LATMContext),
    .audio_codec    = AV_CODEC_ID_AAC,
    .video_codec    = AV_CODEC_ID_NONE,
    .write_header   = latm_write_header,
    .write_packet   = latm_write_packet,
    .priv_class     = &latm_muxer_class,
    .check_bitstream= latm_check_bitstream,
    .flags          = AVFMT_NOTIMESTAMPS,
}

Definition at line 259 of file latmenc.c.