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lavfi/atempo: Avoid false triggering an assertion failure
Steps to reproduce:
1. revert 4240e5b047379b29c33dd3f4438bc4e610527b83
2. ./ffmpeg -f lavfi -i sine=d=1 -af aselect=e=0,atempo=0.5 -y atempo.wav
Signed-off-by: Marton Balint <cus@passwd.hu>
Pavel Koshevoy authored on 2017/09/04 11:44:31Showing 1 changed files
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@@ -914,6 +914,11 @@ static int yae_flush(ATempoContext *atempo, |
| 914 | 914 |
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| 915 | 915 |
atempo->state = YAE_FLUSH_OUTPUT; |
| 916 | 916 |
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+ if (!atempo->nfrag) {
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+ // there is nothing to flush: |
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+ return 0; |
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+ } |
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+ |
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if (atempo->position[0] == frag->position[0] + frag->nsamples && |
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atempo->position[1] == frag->position[1] + frag->nsamples) {
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| 919 | 924 |
// the current fragment is already flushed: |