Re: Remux problem

>
> Le 29 janv. 08 à 11:49, Michel Bardiaux a écrit :
>
>> Víctor Paesa wrote:
>>> Hi,
>>>
>>> Michel Bardiaux said:
>>>> ffmpeg -i bad_remux.mpg -acodec copy -vcodec copy -b 1200k remuxed.mpg
>>>> FFmpeg version SVN-r11649, Copyright (c) 2000-2008 Fabrice Bellard, et
>>>> al.
>>>>   configuration: --enable-libmp3lame --enable-pp --enable-gpl
>>>>   libavutil version: 49.6.0
>>>>   libavcodec version: 51.50.0
>>>>   libavformat version: 52.6.0
>>>>   libavdevice version: 52.0.0
>>>>   built on Jan 28 2008 15:43:19, gcc: 4.1.2 20061115 (prerelease)
>>>> (Debian 4.1.1-21)
>>>> Input #0, mpeg, from 'bad_remux.mpg':
>>>>   Duration: 00:00:15.8, start: 0.500000, bitrate: 1339 kb/s
>>>>     Stream #0.0[0x1e0]: Video: mpeg1video, yuv420p, 352x288 [PAR 1:1
>>>> DAR 11:9], 104857 kb/s, 25.00 tb(r)
>>>>     Stream #0.1[0x1c0]: Audio: mp2, 48000 Hz, mono, 32 kb/s
>>>> Output #0, mpeg, to 'remuxed.mpg':
>>>>     Stream #0.0: Video: mpeg1video, yuv420p, 352x288 [PAR 0:1 DAR 0:1],
>>>>
>>>> q=2-31, 104857 kb/s, 25.00 tb(c)
>>>>     Stream #0.1: Audio: mp2, 48000 Hz, mono, 32 kb/s
>>>> Stream mapping:
>>>>   Stream #0.0 -> #0.0
>>>>   Stream #0.1 -> #0.1
>>>> Press [q] to stop encoding
>>>> error, non monotone timestamps 442800 >= 442800
>>>> av_interleaved_write_frame(): Error while opening file
>>>>
>>>> Given that such a command is supposed to be *the* way to fix bad
>>>> timestamps, I am "in a maze of little tunnels, all the same". Help
>>>> please?
>>>>
>>>> (I am sure this worked at some point in the past, and I will try to
>>>> find
>>>> the breakup in svn, but this is kind of an emergency)
>>>
>>> Maybe add "-fflags genpts" ?
>>
>> No, same output as above.
>
> genpts did never produce anything at home (with just a -vcodec copy)
> Pehaps it's do the trick with encoding (but we don't care because pts
> are always well generated with an encoding ;-))

>
>> I have found that the change that began the breakage was r10891 "Check
>> av_interleaved_write_frame return", the change itself seems perfectly
>> valid to me. So I will check why genpts does not do what it should. But
>> not right now, I am moving all my bookmarks and search results to
>> another PC, which means better not use my web search tools for a few
>> hours. Anyone can give me a hint?
>
> I use this (it's just a revert of michael's commit)
> and ffmpeg is pretty cool with it and my remuxed streams ;-)