libilbc.c File Reference

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

Go to the source code of this file.

Data Structures
struct	ILBCDecContext
struct	ILBCEncContext

Macros
#define	LIBILBC_VERSION_MAJOR   2

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

Macro Definition Documentation

LIBILBC_VERSION_MAJOR

#define LIBILBC_VERSION_MAJOR   2

Definition at line 32 of file libilbc.c.

Function Documentation

get_mode()

static int get_mode ( AVCodecContext *  avctx )

static

Definition at line 35 of file libilbc.c.

Referenced by ilbc_decode_init(), and ilbc_encode_init().

ilbc_decode_init()

static av_cold int ilbc_decode_init ( AVCodecContext *  avctx )

static

Definition at line 69 of file libilbc.c.

ilbc_decode_frame()

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

static

Definition at line 89 of file libilbc.c.

ilbc_encode_init()

static av_cold int ilbc_encode_init ( AVCodecContext *  avctx )

static

Definition at line 154 of file libilbc.c.

ilbc_encode_frame()

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

static

Definition at line 181 of file libilbc.c.

Variable Documentation

ilbc_dec_options

const AVOption ilbc_dec_options[]

static

Initial value:

= {
    { "enhance", "Enhance the decoded audio (adds delay)", 0x42, AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM },
    { NULL }
}

Definition at line 57 of file libilbc.c.

ilbc_dec_class

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 62 of file libilbc.c.

ff_libilbc_decoder

const AVCodec ff_libilbc_decoder

Initial value:

= {
    .name           = "libilbc",
    .long_name      = NULL_IF_CONFIG_SMALL("iLBC (Internet Low Bitrate Codec)"),
    .type           = AVMEDIA_TYPE_AUDIO,
    .id             = AV_CODEC_ID_ILBC,
    .priv_data_size = sizeof(ILBCDecContext),
    .init           = ilbc_decode_init,
    .decode         = ilbc_decode_frame,
    .capabilities   = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_CHANNEL_CONF,
    .priv_class     = &ilbc_dec_class,
}

Definition at line 120 of file libilbc.c.

ilbc_enc_options

const AVOption ilbc_enc_options[]

static

Initial value:

= {
    { "mode", "iLBC mode (20 or 30 ms frames)", 0x42, AV_OPT_TYPE_INT, { .i64 = 20 }, 20, 30, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM },
    { NULL }
}

Definition at line 142 of file libilbc.c.

ilbc_enc_class

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 147 of file libilbc.c.

ilbc_encode_defaults

const AVCodecDefault ilbc_encode_defaults[]

static

Initial value:

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

Definition at line 197 of file libilbc.c.

ff_libilbc_encoder

const AVCodec ff_libilbc_encoder

Initial value:

= {
    .name           = "libilbc",
    .long_name      = NULL_IF_CONFIG_SMALL("iLBC (Internet Low Bitrate Codec)"),
    .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 },
    .defaults       = ilbc_encode_defaults,
    .priv_class     = &ilbc_enc_class,
    .wrapper_name   = "libbilbc",
}

Definition at line 202 of file libilbc.c.