[FFmpeg-devel] [PATCH] lavfi/buffersrc: push the frame deeper if requested.

Paul B Mahol onemda at gmail.com
Sun Jul 9 21:55:57 EEST 2017

On 7/9/17, Marton Balint <cus at passwd.hu> wrote:
> On Sat, 24 Jun 2017, Nicolas George wrote:
>> Le sextidi 6 messidor, an CCXXV, Paul B Mahol a ecrit :
>>> The reverted commit breaks lot of filters and I failed to find fix,
>>> the only logical solution
>> It breaks a corner-case option of, indeed a lot of, filters. I have not
>> yet been able to track down the exact cause of the problem, I still have
>> all this in my work tree.
> The revert itself broke a rather simple buffersrc->buffersink case as
> well:
> ffmpeg -f lavfi -i "testsrc[out0];sine[out1]" -bsf:a noise=dropamount=1
> out.avi
> ffmpeg is now consuming all memory, it seems video frames are stuck in the
> filter graph forever.
> (the dropamount parameter to the noise bitstream filter was just committed
> to be able to drop all packets of a stream)

I believe you are referring to another commit which also needs to be reverted.

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