[FFmpeg-devel] [PATCH 2/2] lavfi/atempo: Avoid false triggering an assertion failure

[Marton Balint]

On Tue, 5 Sep 2017, Marton Balint wrote:

>
> On Sun, 3 Sep 2017, pkoshevoy at gmail.com wrote:
>
>> From: Pavel Koshevoy <pkoshevoy at gmail.com>
>>
>> Steps to reproduce:
>> 1. revert 4240e5b047379b29c33dd3f4438bc4e610527b83
>> 2. ./ffmpeg -f lavfi -i sine=d=1 -af aselect=e=0,atempo=0.5 -y atempo.wav
>> ---
>> libavfilter/af_atempo.c | 5 +++++
>> 1 file changed, 5 insertions(+)
>>
>> diff --git a/libavfilter/af_atempo.c b/libavfilter/af_atempo.c
>> index 9eee8a63a8..41c8c0382a 100644
>> --- a/libavfilter/af_atempo.c
>> +++ b/libavfilter/af_atempo.c
>> @@ -914,6 +914,11 @@ static int yae_flush(ATempoContext *atempo,
>>
>>     atempo->state = YAE_FLUSH_OUTPUT;
>> 
>> +    if (!atempo->nfrag) {
>> +      // there is nothing to flush:
>> +      return 0;
>> +    }
>> +
>>     if (atempo->position[0] == frag->position[0] + frag->nsamples &&
>>         atempo->position[1] == frag->position[1] + frag->nsamples) {
>>         // the current fragment is already flushed:
>
> Thanks, this does the trick. Will apply in 1-2 days.

Applied the series, thanks.

Marton