Control: tag -1 moreinfo
Hi Mathieu,
On 30.03.2015 11:35, Mathieu Malaterre wrote:
> The comment displayed by ffmpeg on debian linux is rather useless (as of
> today):
>
> [...]
> [mpeg4 @ 0x1b5de20] Video uses a non-standard and wasteful way to
> store B-frames ('packed B-frames'). Consider using a tool like
> VirtualDub or avidemux to fix it.
> [...]
I think this is much more informative than the previous warning:
"Invalid and inefficient vfw-avi packed B frames detected"
> avidemux is still not part of debian #203211
This should be changed, but that's difficult, because it uses an old
version of FFmpeg with custom patches.
But even if it's not yet in Debian, people can get it from elsewhere.
> and VirtualDub is windows
> only. Please consider suggesting alternatives that works on Debian.
Do you know of an alternative in Debian that could be suggested?
Anyway, the proper fix for this would be to add a bitstream filter for
unpacking the packed B-frames to FFmpeg. Then such files could be fixed
with FFmpeg, so there would be no need to suggest other programs.
There is an upstream feature request for that at [1].
Best regards,
Andreas
1: https://trac.ffmpeg.org/ticket/2913
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