libavcodec/libfaac.c File Reference

Interface to libfaac for aac encoding. More...

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

Go to the source code of this file.

Data Structures
struct	FaacAudioContext
Defines
#define	FAAC_DELAY_SAMPLES   1024
#define	free   please_use_av_free
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.

---

Define Documentation

#define FAAC_DELAY_SAMPLES   1024

Definition at line 36 of file libfaac.c.

Referenced by Faac_encode_init().

#define free   please_use_av_free

---

Function Documentation

static av_cold int Faac_encode_close

(

AVCodecContext *

avctx

)

[static]

Definition at line 43 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 180 of file libfaac.c.

static av_cold int Faac_encode_init

(

AVCodecContext *

avctx

)

[static]

Definition at line 66 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 59 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 227 of file libfaac.c.

AVCodec ff_libfaac_encoder

Initial value:

 {
    .name           = "libfaac",
    .type           = AVMEDIA_TYPE_AUDIO,
    .id             = 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 Codec)"),
    .profiles       = NULL_IF_CONFIG_SMALL(profiles),
    .channel_layouts = faac_channel_layouts,
}

Definition at line 237 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 219 of file libfaac.c.