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g726: decode directly to the user-provided AVFrame

This commit is contained in:
Justin Ruggles 2012-12-23 17:56:53 -05:00
parent 7e52fd6bca
commit cb7b47a61d
1 changed files with 5 additions and 9 deletions
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14
libavcodec/g726.c
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@ -77,7 +77,6 @@ typedef struct G726Tables {
typedef struct G726Context { typedef struct G726Context {
AVClass *class; AVClass *class;
AVFrame frame;
G726Tables tbls; /**< static tables needed for computation */ G726Tables tbls; /**< static tables needed for computation */
Float11 sr[2]; /**< prev. reconstructed samples */ Float11 sr[2]; /**< prev. reconstructed samples */
@ -434,15 +433,13 @@ static av_cold int g726_decode_init(AVCodecContext *avctx)
avctx->sample_fmt = AV_SAMPLE_FMT_S16; avctx->sample_fmt = AV_SAMPLE_FMT_S16;
avcodec_get_frame_defaults(&c->frame);
avctx->coded_frame = &c->frame;
return 0; return 0;
} }
static int g726_decode_frame(AVCodecContext *avctx, void *data, static int g726_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt) int *got_frame_ptr, AVPacket *avpkt)
{ {
AVFrame *frame = data;
const uint8_t *buf = avpkt->data; const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size; int buf_size = avpkt->size;
G726Context *c = avctx->priv_data; G726Context *c = avctx->priv_data;
@ -453,12 +450,12 @@ static int g726_decode_frame(AVCodecContext *avctx, void *data,
out_samples = buf_size * 8 / c->code_size; out_samples = buf_size * 8 / c->code_size;
/* get output buffer */ /* get output buffer */
c->frame.nb_samples = out_samples; frame->nb_samples = out_samples;
if ((ret = ff_get_buffer(avctx, &c->frame)) < 0) { if ((ret = ff_get_buffer(avctx, frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret; return ret;
} }
samples = (int16_t *)c->frame.data[0]; samples = (int16_t *)frame->data[0];
init_get_bits(&gb, buf, buf_size * 8); init_get_bits(&gb, buf, buf_size * 8);
@ -468,8 +465,7 @@ static int g726_decode_frame(AVCodecContext *avctx, void *data,
if (get_bits_left(&gb) > 0) if (get_bits_left(&gb) > 0)
av_log(avctx, AV_LOG_ERROR, "Frame invalidly split, missing parser?\n"); av_log(avctx, AV_LOG_ERROR, "Frame invalidly split, missing parser?\n");
*got_frame_ptr = 1; *got_frame_ptr = 1;
*(AVFrame *)data = c->frame;
return buf_size; return buf_size;
} }