libilbc.c File Reference

#include <ilbc.h>
#include "libavutil/channel_layout.h"
#include "libavutil/common.h"
#include "libavutil/opt.h"
#include "avcodec.h"
#include "internal.h"

Include dependency graph for libilbc.c:

Go to the source code of this file.

Data Structures
struct	ILBCDecContext
struct	ILBCEncContext

Typedefs
typedef struct ILBCDecContext	ILBCDecContext
typedef struct ILBCEncContext	ILBCEncContext

Functions
static int	get_mode (AVCodecContext *avctx)
static av_cold int	ilbc_decode_init (AVCodecContext *avctx)
static int	ilbc_decode_frame (AVCodecContext *avctx, void *data, int *got_frame_ptr, AVPacket *avpkt)
static av_cold int	ilbc_encode_init (AVCodecContext *avctx)
static int	ilbc_encode_frame (AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, int *got_packet_ptr)

Variables
static const AVOption	ilbc_dec_options []
static const AVClass	ilbc_dec_class
AVCodec	ff_libilbc_decoder
static const AVOption	ilbc_enc_options []
static const AVClass	ilbc_enc_class
static const AVCodecDefault	ilbc_encode_defaults []
AVCodec	ff_libilbc_encoder

Typedef Documentation

typedef struct ILBCDecContext ILBCDecContext

typedef struct ILBCEncContext ILBCEncContext

Function Documentation

static int get_mode ( AVCodecContext *  avctx )

static

Definition at line 30 of file libilbc.c.

Referenced by ilbc_decode_init(), and ilbc_encode_init().

static int ilbc_decode_frame ( AVCodecContext *  avctx, void *  data, int *  got_frame_ptr, AVPacket *  avpkt  )

static

Definition at line 80 of file libilbc.c.

static av_cold int ilbc_decode_init ( AVCodecContext *  avctx )

static

Definition at line 60 of file libilbc.c.

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

static

Definition at line 164 of file libilbc.c.

static av_cold int ilbc_encode_init ( AVCodecContext *  avctx )

static

Definition at line 137 of file libilbc.c.

Variable Documentation

AVCodec ff_libilbc_decoder

Initial value:

= {
    .name           = "libilbc",
    .type           = AVMEDIA_TYPE_AUDIO,
    .id             = AV_CODEC_ID_ILBC,
    .priv_data_size = sizeof(ILBCDecContext),
    .init           = ilbc_decode_init,
    .decode         = ilbc_decode_frame,
    .capabilities   = CODEC_CAP_DR1,
    .long_name      = NULL_IF_CONFIG_SMALL("iLBC (Internet Low Bitrate Codec)"),
    .priv_class     = &ilbc_dec_class,
}

Definition at line 107 of file libilbc.c.

AVCodec ff_libilbc_encoder

Initial value:

= {
    .name           = "libilbc",
    .type           = AVMEDIA_TYPE_AUDIO,
    .id             = AV_CODEC_ID_ILBC,
    .priv_data_size = sizeof(ILBCEncContext),
    .init           = ilbc_encode_init,
    .encode2        = ilbc_encode_frame,
    .sample_fmts    = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_S16,
                                                     AV_SAMPLE_FMT_NONE },
    .long_name      = NULL_IF_CONFIG_SMALL("iLBC (Internet Low Bitrate Codec)"),
    .defaults       = ilbc_encode_defaults,
    .priv_class     = &ilbc_enc_class,
}

Definition at line 185 of file libilbc.c.

const AVClass ilbc_dec_class

static

Initial value:

= {
    .class_name = "libilbc",
    .item_name  = av_default_item_name,
    .option     = ilbc_dec_options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 53 of file libilbc.c.

const AVOption ilbc_dec_options[]

static

Initial value:

= {
    { "enhance", "Enhance the decoded audio (adds delay)", offsetof(ILBCDecContext, enhance), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM },
    { NULL }
}

Definition at line 48 of file libilbc.c.

const AVClass ilbc_enc_class

static

Initial value:

= {
    .class_name = "libilbc",
    .item_name  = av_default_item_name,
    .option     = ilbc_enc_options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 130 of file libilbc.c.

const AVOption ilbc_enc_options[]

static

Initial value:

= {
    { "mode", "iLBC mode (20 or 30 ms frames)", offsetof(ILBCEncContext, mode), AV_OPT_TYPE_INT, { .i64 = 20 }, 20, 30, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM },
    { NULL }
}

Definition at line 125 of file libilbc.c.

const AVCodecDefault ilbc_encode_defaults[]

static

Initial value:

= {
    { "b", "0" },
    { NULL }
}

Definition at line 180 of file libilbc.c.