libgsm.c File Reference

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

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

Go to the source code of this file.

Data Structures
struct	LibGSMDecodeContext

Typedefs
typedef struct LibGSMDecodeContext	LibGSMDecodeContext

Functions
static av_cold int	libgsm_encode_init (AVCodecContext *avctx)
static av_cold int	libgsm_encode_close (AVCodecContext *avctx)
static int	libgsm_encode_frame (AVCodecContext *avctx, unsigned char *frame, int buf_size, void *data)
static av_cold int	libgsm_decode_init (AVCodecContext *avctx)
static av_cold int	libgsm_decode_close (AVCodecContext *avctx)
static int	libgsm_decode_frame (AVCodecContext *avctx, void *data, int *got_frame_ptr, AVPacket *avpkt)
static void	libgsm_flush (AVCodecContext *avctx)

Variables
AVCodec	ff_libgsm_encoder
AVCodec	ff_libgsm_ms_encoder
AVCodec	ff_libgsm_decoder
AVCodec	ff_libgsm_ms_decoder

Detailed Description

Interface to libgsm for gsm encoding/decoding.

Definition in file libgsm.c.

Typedef Documentation

typedef struct LibGSMDecodeContext LibGSMDecodeContext

Function Documentation

static av_cold int libgsm_decode_close ( AVCodecContext *  avctx )

static

Definition at line 168 of file libgsm.c.

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

static

Definition at line 176 of file libgsm.c.

static av_cold int libgsm_decode_init ( AVCodecContext *  avctx )

static

Definition at line 130 of file libgsm.c.

static av_cold int libgsm_encode_close ( AVCodecContext *  avctx )

static

Definition at line 79 of file libgsm.c.

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

static

Definition at line 86 of file libgsm.c.

static av_cold int libgsm_encode_init ( AVCodecContext *  avctx )

static

Definition at line 36 of file libgsm.c.

static void libgsm_flush ( AVCodecContext *  avctx )

static

Definition at line 211 of file libgsm.c.

Variable Documentation

AVCodec ff_libgsm_decoder

Initial value:

 {
    .name           = "libgsm",
    .type           = AVMEDIA_TYPE_AUDIO,
    .id             = CODEC_ID_GSM,
    .priv_data_size = sizeof(LibGSMDecodeContext),
    .init           = libgsm_decode_init,
    .close          = libgsm_decode_close,
    .decode         = libgsm_decode_frame,
    .flush          = libgsm_flush,
    .capabilities   = CODEC_CAP_DR1,
    .long_name = NULL_IF_CONFIG_SMALL("libgsm GSM"),
}

Definition at line 221 of file libgsm.c.

AVCodec ff_libgsm_encoder

Initial value:

 {
    .name           = "libgsm",
    .type           = AVMEDIA_TYPE_AUDIO,
    .id             = CODEC_ID_GSM,
    .init           = libgsm_encode_init,
    .encode         = libgsm_encode_frame,
    .close          = libgsm_encode_close,
    .sample_fmts = (const enum AVSampleFormat[]){AV_SAMPLE_FMT_S16,AV_SAMPLE_FMT_NONE},
    .long_name = NULL_IF_CONFIG_SMALL("libgsm GSM"),
}

Definition at line 103 of file libgsm.c.

AVCodec ff_libgsm_ms_decoder

Initial value:

 {
    .name           = "libgsm_ms",
    .type           = AVMEDIA_TYPE_AUDIO,
    .id             = CODEC_ID_GSM_MS,
    .priv_data_size = sizeof(LibGSMDecodeContext),
    .init           = libgsm_decode_init,
    .close          = libgsm_decode_close,
    .decode         = libgsm_decode_frame,
    .flush          = libgsm_flush,
    .capabilities   = CODEC_CAP_DR1,
    .long_name = NULL_IF_CONFIG_SMALL("libgsm GSM Microsoft variant"),
}

Definition at line 234 of file libgsm.c.

AVCodec ff_libgsm_ms_encoder

Initial value:

 {
    .name           = "libgsm_ms",
    .type           = AVMEDIA_TYPE_AUDIO,
    .id             = CODEC_ID_GSM_MS,
    .init           = libgsm_encode_init,
    .encode         = libgsm_encode_frame,
    .close          = libgsm_encode_close,
    .sample_fmts = (const enum AVSampleFormat[]){AV_SAMPLE_FMT_S16,AV_SAMPLE_FMT_NONE},
    .long_name = NULL_IF_CONFIG_SMALL("libgsm GSM Microsoft variant"),
}

Definition at line 114 of file libgsm.c.