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sipr: decode directly to the user-provided AVFrame

This commit is contained in:
Justin Ruggles 2012-12-23 19:58:35 -05:00
parent fed74c0ae4
commit 09d6831f49
2 changed files with 6 additions and 10 deletions
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15
libavcodec/sipr.c
View File

@ -516,9 +516,6 @@ static av_cold int sipr_decoder_init(AVCodecContext * avctx)
avctx->channel_layout = AV_CH_LAYOUT_MONO; avctx->channel_layout = AV_CH_LAYOUT_MONO;
avctx->sample_fmt = AV_SAMPLE_FMT_FLT; avctx->sample_fmt = AV_SAMPLE_FMT_FLT;
avcodec_get_frame_defaults(&ctx->frame);
avctx->coded_frame = &ctx->frame;
return 0; return 0;
} }
@ -526,6 +523,7 @@ static int sipr_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt) int *got_frame_ptr, AVPacket *avpkt)
{ {
SiprContext *ctx = avctx->priv_data; SiprContext *ctx = avctx->priv_data;
AVFrame *frame = data;
const uint8_t *buf=avpkt->data; const uint8_t *buf=avpkt->data;
SiprParameters parm; SiprParameters parm;
const SiprModeParam *mode_par = &modes[ctx->mode]; const SiprModeParam *mode_par = &modes[ctx->mode];
@ -543,13 +541,13 @@ static int sipr_decode_frame(AVCodecContext *avctx, void *data,
} }
/* get output buffer */ /* get output buffer */
ctx->frame.nb_samples = mode_par->frames_per_packet * subframe_size * frame->nb_samples = mode_par->frames_per_packet * subframe_size *
mode_par->subframe_count; mode_par->subframe_count;
if ((ret = ff_get_buffer(avctx, &ctx->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 = (float *)ctx->frame.data[0]; samples = (float *)frame->data[0];
init_get_bits(&gb, buf, mode_par->bits_per_frame); init_get_bits(&gb, buf, mode_par->bits_per_frame);
@ -561,8 +559,7 @@ static int sipr_decode_frame(AVCodecContext *avctx, void *data,
samples += subframe_size * mode_par->subframe_count; samples += subframe_size * mode_par->subframe_count;
} }
*got_frame_ptr = 1; *got_frame_ptr = 1;
*(AVFrame *)data = ctx->frame;
return mode_par->bits_per_frame >> 3; return mode_par->bits_per_frame >> 3;
} }

1
libavcodec/sipr.h
View File

@ -65,7 +65,6 @@ typedef struct SiprParameters {
typedef struct SiprContext { typedef struct SiprContext {
AVCodecContext *avctx; AVCodecContext *avctx;
AVFrame frame;
SiprMode mode; SiprMode mode;