[MEncoder-users] mencoder //tv capture avi index problem

[ted morris]

On Sun, Jun 26, 2011 at 7:56 PM, The Wanderer <wanderer at fastmail.fm> wrote:

> On 06/24/2011 09:38 AM, ted morris wrote:
>
>  greetings,
>>
>> I'm using mencoder to capture live  /dev/video[x] streams tv:// with
>> v4l2 and saving them as ffmpeg mpeg4, single pass files, no audio.
>>
>> They playback fine with the media player in Debian linux, and VLC in
>> windows ok.
>>
>> But I want to use VirtualDub and with any version I try I get this
>> warjning:
>>
>> AVI:Index not found or damaged -- reconstructing via file scan.
>> AVI:keyframe flag reconstruction was not specified in option options
>> and the video stream is not a sknown keyframe-only type. Seeking in
>> the video stream may be extremely slow.
>>
>
> Something that just occurred to me:
>
> How big are these files?
>

about 600MB


>
> If memory serves (which it may not, it's been a while), AVI files over a
> certain size don't necessarily work with the ordinary index. ODML is
> meant to circumvent that limitation (among other things), but it can
> sometimes cause issues if an ODML index gets created when one isn't
> needed. If an ODML index is being created in this case, and if
> VirtualDub doesn't support ODML, then that could explain the problem.
>
> If the AVI files you're creating are smaller than the 2GB limit, try
> adding '-noodml' to your command line and see if that changes anything.


interesting ... nope. same message. -- thanks for the ideas though.




>
> --
>      The Wanderer
>
> Warning: Simply because I argue an issue does not mean I agree with any
> side of it.
>
> Secrecy is the beginning of tyranny.
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