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Code Issues Releases Activity

nellymoserdec: Use sidedata to support mid stream sample rate changes.

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-11-30 21:17:57 +01:00
parent 957a593cd9
commit 11828b8885
1 changed files with 3 additions and 0 deletions
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3
libavcodec/nellymoserdec.c
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@ -149,6 +149,7 @@ static int decode_tag(AVCodecContext * avctx,
void *data, int *data_size,
AVPacket *avpkt) {
const uint8_t *buf = avpkt->data;
const uint8_t *side=av_packet_get_side_data(avpkt, 'F', NULL);
int buf_size = avpkt->size;
NellyMoserDecodeContext *s = avctx->priv_data;
int data_max = *data_size;
@ -179,6 +180,8 @@ static int decode_tag(AVCodecContext * avctx,
* 22050 Hz - 4
* 44100 Hz - 8
*/
if(side && blocks>1 && avctx->sample_rate%11025==0 && (1<<((side[0]>>2)&3)) == blocks)
avctx->sample_rate= 11025*(blocks/2);
for (i=0 ; i<blocks ; i++) {
if (avctx->sample_fmt == SAMPLE_FMT_FLT) {