[FFmpeg-user] [Bulk] Re: Using -filter_complex instead of lavfi with amerge hangs.

Tim Nicholson nichot20 at yahoo.com
Wed Jun 27 12:09:14 CEST 2012

On 26/06/12 15:52, Tim Nicholson wrote:
> On 26/06/12 15:42, Tim Nicholson wrote:
>> On 26/06/12 15:17, Nicolas George wrote:
>>> Le nonidi 9 messidor, an CCXX, Tim Nicholson a écrit :
>>>> [..]
>>>> but then hangs after the last frame and eventually returns a:-
>>>> 8424 Killed                  ffmpeg -i.......
>>>> In the meantime kernel CPU goes through the roof, as does swap usage.
>>> This shows that frames are accumulating in the graph, probably in its
>>> inputs. You can avoid swap usage by limiting the total address space ffmpeg
>>> is allowed to use.
>>> That is part of the problem that needs fixing. Can you check that
>>> all streams of your input video have the same length?

What problem is it that needs fixing? I cannot find anything on trac. It
would seem to be somewhat serious if it hangs without good reason.

>> Not sure about that as the original file is huge, *but* all streams were
>> definitely longer than the 10 seconds I was asking it to encode.
> ..and yes all streams in the original file are reported by ffprobe as
> being the same length..



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