libfaac.c File Reference

Interface to libfaac for aac encoding. More...

#include <faac.h>
#include "libavutil/channel_layout.h"
#include "libavutil/common.h"
#include "avcodec.h"
#include "audio_frame_queue.h"
#include "internal.h"

Include dependency graph for libfaac.c:

Go to the source code of this file.

Data Structures
struct	FaacAudioContext

Macros
#define	FAAC_DELAY_SAMPLES   1024

Typedefs
typedef struct FaacAudioContext	FaacAudioContext

Functions
static av_cold int	Faac_encode_close (AVCodecContext *avctx)
static av_cold int	Faac_encode_init (AVCodecContext *avctx)
static int	Faac_encode_frame (AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, int *got_packet_ptr)

Variables
static const int	channel_maps [][6]
static const AVProfile	profiles []
static const uint64_t	faac_channel_layouts []
AVCodec	ff_libfaac_encoder

Detailed Description

Interface to libfaac for aac encoding.

Definition in file libfaac.c.

Macro Definition Documentation

#define FAAC_DELAY_SAMPLES   1024

Definition at line 37 of file libfaac.c.

Referenced by Faac_encode_init().

Typedef Documentation

typedef struct FaacAudioContext FaacAudioContext

Function Documentation

static av_cold int Faac_encode_close ( AVCodecContext *  avctx )

static

Definition at line 44 of file libfaac.c.

Referenced by Faac_encode_init().

static int Faac_encode_frame ( AVCodecContext *  avctx, AVPacket *  avpkt, const AVFrame *  frame, int *  got_packet_ptr  )

static

Definition at line 168 of file libfaac.c.

static av_cold int Faac_encode_init ( AVCodecContext *  avctx )

static

Definition at line 64 of file libfaac.c.

Variable Documentation

const int channel_maps[][6]

static

Initial value:

= {
    { 2, 0, 1 },          
    { 2, 0, 1, 3 },       
    { 2, 0, 1, 3, 4 },    
    { 2, 0, 1, 4, 5, 3 }, 
}

Definition at line 57 of file libfaac.c.

Referenced by Faac_encode_init().

const uint64_t faac_channel_layouts[]

static

Initial value:

= {
    AV_CH_LAYOUT_MONO,
    AV_CH_LAYOUT_STEREO,
    AV_CH_LAYOUT_SURROUND,
    AV_CH_LAYOUT_4POINT0,
    AV_CH_LAYOUT_5POINT0_BACK,
    AV_CH_LAYOUT_5POINT1_BACK,
    0
}

Definition at line 213 of file libfaac.c.

AVCodec ff_libfaac_encoder

Initial value:

= {
    .name           = "libfaac",
    .type           = AVMEDIA_TYPE_AUDIO,
    .id             = AV_CODEC_ID_AAC,
    .priv_data_size = sizeof(FaacAudioContext),
    .init           = Faac_encode_init,
    .encode2        = Faac_encode_frame,
    .close          = Faac_encode_close,
    .capabilities   = CODEC_CAP_SMALL_LAST_FRAME | CODEC_CAP_DELAY,
    .sample_fmts    = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_S16,
                                                     AV_SAMPLE_FMT_NONE },
    .long_name      = NULL_IF_CONFIG_SMALL("libfaac AAC (Advanced Audio Coding)"),
    .profiles       = NULL_IF_CONFIG_SMALL(profiles),
    .channel_layouts = faac_channel_layouts,
}

Definition at line 223 of file libfaac.c.

const AVProfile profiles[]

static

Initial value:

= {
    { FF_PROFILE_AAC_MAIN, "Main" },
    { FF_PROFILE_AAC_LOW,  "LC"   },
    { FF_PROFILE_AAC_SSR,  "SSR"  },
    { FF_PROFILE_AAC_LTP,  "LTP"  },
    { FF_PROFILE_UNKNOWN },
}

Definition at line 205 of file libfaac.c.