[FFmpeg-devel] Notes about avdevice

Roger Pack rogerdpack2 at gmail.com
Fri Dec 7 19:29:44 CET 2012


On 12/4/12, Michael Niedermayer <michaelni at gmx.at> wrote:
> On Tue, Dec 04, 2012 at 04:33:01AM -0200, Ramiro Polla wrote:
>> On Mon, Nov 26, 2012 at 10:50 PM, Roger Pack <rogerdpack2 at gmail.com>
>> wrote:
>> >> 2) I can set the av options to list_devices and it goes to stdout. This
>> >> is
>> >> pretty useless in a GUI app.
>> >
>> > What I do is run ffmpeg.exe and parse the output. Crude, but works,
>> > and yes, you can run commands from within GUI's :)
>>
>> Has a way to export a devices list (or any option for a particular
>> device) been implemented in FFmpeg? I'd like to export dshow's list...
>
> Iam working on such a api, see latest iteration of
> [FFmpeg-devel] [PATCH 1/2] opt: Add support to query ranges

Nice.  Eventually I'd like to add support for "stepping" (ex: some
devices have a framerate that is from 10 to 30, with a stepping 5),
and other stuff like the device's GUID's.

Thanks for your work on this stuff.
-roger-


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