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

[Michael Niedermayer]

On Fri, Dec 23, 2016 at 09:49:52PM +0100, Nicolas George wrote:
> Reduce peak memory consumption with ffmpeg in certain cases.
> 
> Signed-off-by: Nicolas George <george at nsup.org>
> ---
>  libavfilter/buffersrc.c | 25 +++++++++++++++++++++++++
>  1 file changed, 25 insertions(+)

deadlocks

./ffmpeg -i mpegts_with_dvbsubs.ts   -filter_complex '[#0xf30]scale=320:240:flags=bilinear[sub];[#0xfa8]scale=320:240:flags=bilinear[video];[video][sub]overlay[v]' -map '[v]' -map '#0x1048' -t 1 a.mkv

http://samples.ffmpeg.org/ffmpeg-bugs/trac/ticket4074/mpegts_with_dvbsubs.ts

also this patch changes the output of ffmpeg in many cases


[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

it is not once nor twice but times without number that the same ideas make
their appearance in the world. -- Aristotle
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