On 03/13/2015 06:47 PM, Hans Verkuil wrote:
> Hi all,
>
> I've just updated v4l2-compliance with some important new features.
>
> First of all v4l2-compliance will store the driver state before it
> starts testing and it will restore it before the streaming tests
> start and when the application exits (including exit due to Ctrl-C).
>
> This makes it possible to setup the driver for the streaming tests
> by selecting the right input/output, frequency, format, etc. so that
> that will be used by the streaming test.
>
> The current -i, -o and -f options to set the input/output/frequency
> have been dropped since they are no longer needed.
>
> Secondly a new option has been added: --stream-all-formats (-f). This
> will iterate over all pixelformats, all frame sizes, all frame intervals
> and all v4l2_field values and tries to stream 1 second worth of video.
>
> It is normally quite difficult to check if a driver can really handle
> all combinations that it advertises, and this option should help.
>
> It uses MMAP streaming or read/write if MMAP streaming is not supported.
>
> Note that only video capture and output devices are supported. No support
> for memory-to-memory devices exists currently.
I've made some more improvements where the selection (crop/compose) API is
also tested in various combinations while streaming.
This covers most of the selection API. The main selection-related thing that
is still missing is testing of the various selection flags.
Regards,
Hans
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