From: Michael Niedermayer <[email protected]>
---
libavcodec/nellymoserdec.c | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/libavcodec/nellymoserdec.c b/libavcodec/nellymoserdec.c
index 278b6b3..aabd07b 100644
--- a/libavcodec/nellymoserdec.c
+++ b/libavcodec/nellymoserdec.c
@@ -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,
AV_PKT_DATA_FLV_FLAGS, NULL);
int buf_size = avpkt->size;
NellyMoserDecodeContext *s = avctx->priv_data;
int blocks, i, block_size;
@@ -176,6 +177,16 @@ static int decode_tag(AVCodecContext * avctx,
* 22050 Hz - 4
* 44100 Hz - 8
*/
+ if (side) {
+ if ((side[0] & 0xf0) == 0x60) { // Custom sample rate
+ if (blocks > 1 && (1 << ((side[0] >> 2) & 3)) == blocks)
+ avctx->sample_rate = 11025*(blocks/2);
+ } else if ((side[0] & 0xf0) == 0x50 && blocks == 1) {
+ avctx->sample_rate = 8000;
+ } else if ((side[0] & 0xf0) == 0x40 && blocks == 3) {
+ avctx->sample_rate = 16000;
+ }
+ }
for (i=0 ; i<blocks ; i++) {
if (avctx->sample_fmt == SAMPLE_FMT_FLT) {
--
1.7.3.1
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