latmenc.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 "internal.h"
#include "mux.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 (AVFormatContext *s, AVStream *st, const AVPacket *pkt)

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

Macro Definition Documentation

MAX_EXTRADATA_SIZE

#define MAX_EXTRADATA_SIZE   1024

Definition at line 35 of file latmenc.c.

Referenced by latm_decode_extradata(), and latm_write_packet().

Function Documentation

latm_decode_extradata()

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

static

Definition at line 60 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 90 of file latmenc.c.

copy_bits()

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

static

Definition at line 108 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 119 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 165 of file latmenc.c.

latm_check_bitstream()

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

static

Definition at line 250 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 47 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 53 of file latmenc.c.

ff_latm_muxer

const FFOutputFormat ff_latm_muxer

Initial value:

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

Definition at line 263 of file latmenc.c.