[FFmpeg-devel] [PATCH] V4L2 compliance: Make sure VIDIOC_S_INPUT is called before querying/setting any input properties

[Michael Niedermayer]

On Wed, Jan 11, 2012 at 08:01:25PM +0100, Rupert Eibauer wrote:
> Hello,
> 
> This solves a problem with a V4L device which supports different inputs.
> The problem is that the different inputs have different resolutions, and 
> the device cannot do image scaling.
> This is what happened:
> - ffmpeg calls VIDIOC_S_FMT with the resolution we specified on the 
> command line.
> - The driver responds with a resolution which is correct for the default 
> input.
> - ffmpeg calls VIDIOC_S_INPUT, and the driver switches to the resolution 
> supported by that input.
> - Now we have a problem: ffmpegs idea about the image resolution is wrong. 
> 
> 
> The patch below fixes that problem. Please apply it.

The patch looks like its linebreaks where messed up


> It is for 0.8.9, because this is the version I am currently using. 0.9.1 
> and git do not compile because of some asm errors.

please report the asm issue, so it can be fixed

Thanks

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

There seems to be only one solution to NIH syndrom, ... a shooting squad
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