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Diffstat (limited to 'libavcodec/nellymoserdec.c')
-rw-r--r--libavcodec/nellymoserdec.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/libavcodec/nellymoserdec.c b/libavcodec/nellymoserdec.c
index cfd0709f0a..42110a2c0f 100644
--- a/libavcodec/nellymoserdec.c
+++ b/libavcodec/nellymoserdec.c
@@ -142,16 +142,19 @@ static int decode_tag(AVCodecContext *avctx, void *data,
{
AVFrame *frame = data;
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 blocks, i, ret;
float *samples_flt;
blocks = buf_size / NELLY_BLOCK_LEN;
+
if (blocks <= 0) {
av_log(avctx, AV_LOG_ERROR, "Packet is too small\n");
return AVERROR_INVALIDDATA;
}
+
if (buf_size % NELLY_BLOCK_LEN) {
av_log(avctx, AV_LOG_WARNING, "Leftover bytes: %d.\n",
buf_size % NELLY_BLOCK_LEN);
@@ -163,13 +166,13 @@ static int decode_tag(AVCodecContext *avctx, void *data,
* 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);
/* get output buffer */
frame->nb_samples = NELLY_SAMPLES * blocks;
- if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
- av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+ if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
return ret;
- }
samples_flt = (float *)frame->data[0];
for (i=0 ; i<blocks ; i++) {