libavcodec/libgsm.c File Reference

Interface to libgsm for gsm encoding/decoding. More...

#include "avcodec.h"
#include <gsm.h>

Go to the source code of this file.

Defines

#define GSM_BLOCK_SIZE   33
#define GSM_MS_BLOCK_SIZE   65
#define GSM_FRAME_SIZE   160

Functions

static av_cold int libgsm_init (AVCodecContext *avctx)
static av_cold int libgsm_close (AVCodecContext *avctx)
static int libgsm_encode_frame (AVCodecContext *avctx, unsigned char *frame, int buf_size, void *data)
static int libgsm_decode_frame (AVCodecContext *avctx, void *data, int *data_size, uint8_t *buf, int buf_size)

Variables

AVCodec libgsm_encoder
AVCodec libgsm_ms_encoder
AVCodec libgsm_decoder
AVCodec libgsm_ms_decoder


Detailed Description

Interface to libgsm for gsm encoding/decoding.

Definition in file libgsm.c.


Define Documentation

#define GSM_BLOCK_SIZE   33

Definition at line 34 of file libgsm.c.

Referenced by libgsm_init().

#define GSM_FRAME_SIZE   160

Definition at line 36 of file libgsm.c.

Referenced by libgsm_decode_frame(), libgsm_encode_frame(), and libgsm_init().

#define GSM_MS_BLOCK_SIZE   65

Definition at line 35 of file libgsm.c.

Referenced by libgsm_init().


Function Documentation

static av_cold int libgsm_close ( AVCodecContext avctx  )  [static]

Definition at line 91 of file libgsm.c.

static int libgsm_decode_frame ( AVCodecContext avctx,
void *  data,
int *  data_size,
uint8_t *  buf,
int  buf_size 
) [static]

Definition at line 139 of file libgsm.c.

static int libgsm_encode_frame ( AVCodecContext avctx,
unsigned char *  frame,
int  buf_size,
void *  data 
) [static]

Definition at line 98 of file libgsm.c.

static av_cold int libgsm_init ( AVCodecContext avctx  )  [static]

Definition at line 38 of file libgsm.c.


Variable Documentation

Initial value:

 {
    "libgsm",
    CODEC_TYPE_AUDIO,
    CODEC_ID_GSM,
    0,
    libgsm_init,
    NULL,
    libgsm_close,
    libgsm_decode_frame,
    .long_name = NULL_IF_CONFIG_SMALL("libgsm GSM"),
}

Definition at line 157 of file libgsm.c.

Initial value:

Definition at line 115 of file libgsm.c.

Initial value:

 {
    "libgsm_ms",
    CODEC_TYPE_AUDIO,
    CODEC_ID_GSM_MS,
    0,
    libgsm_init,
    NULL,
    libgsm_close,
    libgsm_decode_frame,
    .long_name = NULL_IF_CONFIG_SMALL("libgsm GSM Microsoft variant"),
}

Definition at line 169 of file libgsm.c.

Initial value:

 {
    "libgsm_ms",
    CODEC_TYPE_AUDIO,
    CODEC_ID_GSM_MS,
    0,
    libgsm_init,
    libgsm_encode_frame,
    libgsm_close,
    .sample_fmts = (enum SampleFormat[]){SAMPLE_FMT_S16,SAMPLE_FMT_NONE},
    .long_name = NULL_IF_CONFIG_SMALL("libgsm GSM Microsoft variant"),
}

Definition at line 127 of file libgsm.c.


Generated on Fri Oct 26 02:35:43 2012 for FFmpeg by  doxygen 1.5.8