Hi, > I'm writing a new grabbing selection interface. As a first step, attached > patch moves the #ifdef jungle from ffmpeg.c to the configure script. Also > allows the user to specify a default grab format in configure. > > Additionally, I plan to: > - Add a -gv option to specify video grab format (and -ga for audio). This > removes the need for x11: from the grab device, and moves it to "-gv > x11grab". > - Add a -gi option (with no args) to specify a grab input, much like the > -i option. So the device is treated as an input file at that point of the > command line, instead of having to be treated by prepare_grab. This way, > it can specify the size it wants just like a normal file, instead of > having to rely on -s for the output file. > > Please tell me if any this would be welcome, or if I'm just wasting my time. You need to separate your patches: 1, disabled() function for configure 2, configure selectable video grab format Also use dashes in the configure option. And I dont think --video-grab-format is the best option name available, maybe --default-video-grabber ? Also is that a good way disabling video4linux1 if video4linux2 is found? I know there is a wrapper layer for 1 when running on 2. For example I had now a extra-low-end camera, which didnt worked with V4L2, but started working when I tried V4L1 grabber in ffmpeg (I know, the driver should be fixed). -- Alex
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