[FFmpeg-devel] [PATCH] lavfi/avfiltergraph: only return EOF in avfilter_graph_request_oldest if all sinks EOFed

[Marton Balint]

On Sun, 7 May 2017, Marton Balint wrote:

>
>
> On Sun, 7 May 2017, Nicolas George wrote:
>
>> Le septidi 17 floréal, an CCXXV, Marton Balint a écrit :
>>> Fixes a regression introduced in 32c59a115d3cc757676b5384a5ea44b5a7a7b872,
>>> becoming effective in 912969a33e313c57c906e87a7e2367b78a2160f4.
>>>
>>> Fixes trimmed output of
>>> ffmpeg -f lavfi -i "sine=d=0.01" -f lavfi -i "sine=d=1" -filter_complex 
> "[0:a]anull[a1];[1:a]anull[a2]" -map "[a1]" -f null none -map "[a2]" -f 
> framecrc -
>>> ---
>>>  libavfilter/avfiltergraph.c | 9 ++++++---
>>>  1 file changed, 6 insertions(+), 3 deletions(-)
>>
>> LGTM, thanks for finding that.
>>
>> Out of curiosity, how did you arrive to a graph with buffersc and
>> buffersink connected directly?
>
> The original command and filter graph which I used when I hit this bug was 
> quite complex and was operating on a real file, I had to come up with a 
> simplified version to make debugging easier.
>
> Obviously you can replace anull with any audio filter and still experience 
> the trimmed output.

Pushed and backported to 3.3.

Thanks,
Marton