[FFmpeg-devel] [PATCH] (for discussion): ffmpeg_filter: initialize cuvid for filter_complex

[Timo Rothenpieler]

On 2/12/2017 8:53 PM, Miroslav Slugeň wrote:
> Dne 12.2.2017 v 20:25 Timo Rothenpieler napsal(a):
>> On 2/12/2017 8:18 PM, Miroslav Slugeň wrote:
>>> This patch is for discussion only, not ready to commit yet.
>>>
>>> We were facing issue when using -hwaccel cuvid, then we were unable to
>>> use -filter_complex filters for video streams, this hack fixed it, but i
>>> am sure that it is not ready to commit, because it is dirty/ugly fix.
>> This collides with the merges and is probably obsolete once they happen.
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> 
> Thx, i am glad that someone is working on fixing this issue. We need to
> have it working year ago, so i created this patch.

I wasn't aware there is any kind of issue.
You can try https://github.com/BtbN/FFmpeg/tree/filter-merge if you want
to test the current state of the merges.

There is some very weird issue with cuvid->nvenc hwaccel transcoding,
which I wasn't able to figure out yet, as nvenc just reports being out
of memory when encoding a frame.