[FFmpeg-devel] [PATCH] IVF demuxer

David Conrad lessen42
Sat May 22 00:06:01 CEST 2010


On May 21, 2010, at 7:32 AM, John Koleszar wrote:

> On Fri, May 21, 2010 at 7:01 AM, Kostya <kostya.shishkov at gmail.com> wrote:
>> On Fri, May 21, 2010 at 12:47:47PM +0200, Maxim wrote:
>>> Hi David,
>>>> Hi,
>>>> 
>>>> Some VP8 command-line tools use IVF for some reason...
>>>> 
>>> 
>>> I'm glad you're working on this format! I have some IVF samples coded
>>> with indeo5 whose seem to have a completely different format! The first
>>> 16 bytes look like an unknown GUID, the following ones contain: standard
>>> m$ video and audio descriptors, an frame index and frame data.
>>> It would be very appreciated to have a support for IVF/indeo too...
>>> Could you likely look into it?
>> 
>> I suspect that _your_ samples are real Indeo IVF while VP8 is stored into
>> something homemade (since it's too simple) and "IVF" means something
>> else like "idiotic video frames"
>> 
> 
> That's about right. In all seriousness, I'd be interested moving to
> use a more standard container of similar complexity for providing
> basic packet framing and timestamping. I thought about (ab)using RTP,
> but never had the time to look into it very far and given the limited
> use/scope of ivf, there weren't any tangible advantages at the time.
> If you have any suggestions, I'd be interested.

Does this IVF stand for anything?



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