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libgsm: decode directly to the user-provided AVFrame

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This commit is contained in:
Justin Ruggles 2012-12-23 18:40:50 -05:00
parent a8ea936a0a
commit 4f69612d3e
1 changed files with 5 additions and 9 deletions
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14
libavcodec/libgsm.c
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@ -148,7 +148,6 @@ AVCodec ff_libgsm_ms_encoder = {
};
typedef struct LibGSMDecodeContext {
AVFrame frame;
struct gsm_state *state;
} LibGSMDecodeContext;
@ -175,9 +174,6 @@ static av_cold int libgsm_decode_init(AVCodecContext *avctx) {
}
}
avcodec_get_frame_defaults(&s->frame);
avctx->coded_frame = &s->frame;
return 0;
}
@ -194,6 +190,7 @@ static int libgsm_decode_frame(AVCodecContext *avctx, void *data,
{
int i, ret;
LibGSMDecodeContext *s = avctx->priv_data;
AVFrame *frame = data;
uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
int16_t *samples;
@ -204,12 +201,12 @@ static int libgsm_decode_frame(AVCodecContext *avctx, void *data,
}
/* get output buffer */
s->frame.nb_samples = avctx->frame_size;
if ((ret = ff_get_buffer(avctx, &s->frame)) < 0) {
frame->nb_samples = avctx->frame_size;
if ((ret = ff_get_buffer(avctx, frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
samples = (int16_t *)s->frame.data[0];
samples = (int16_t *)frame->data[0];
for (i = 0; i < avctx->frame_size / GSM_FRAME_SIZE; i++) {
if ((ret = gsm_decode(s->state, buf, samples)) < 0)
@ -218,8 +215,7 @@ static int libgsm_decode_frame(AVCodecContext *avctx, void *data,
samples += GSM_FRAME_SIZE;
}
*got_frame_ptr = 1;
*(AVFrame *)data = s->frame;
*got_frame_ptr = 1;
return avctx->block_align;
}