diff options
| -rw-r--r-- | libavcodec/tta.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/libavcodec/tta.c b/libavcodec/tta.c index afc4907432..593cb6629a 100644 --- a/libavcodec/tta.c +++ b/libavcodec/tta.c @@ -371,8 +371,15 @@ static int tta_decode_frame(AVCodecContext *avctx, void *data, case 3: { // shift samples for 24-bit sample format int32_t *samples = (int32_t *)frame->data[0]; - for (i = 0; i < framelen * s->channels; i++) - *samples++ *= 256; + int overflow = 0; + + for (i = 0; i < framelen * s->channels; i++) { + int scaled = *samples * 256U; + overflow += (scaled >> 8 != *samples); + *samples++ = scaled; + } + if (overflow) + av_log(avctx, AV_LOG_WARNING, "%d overflows occurred on 24bit upscale\n", overflow); // reset decode buffer s->decode_buffer = NULL; break; |