kevin thayer wrote:
right, but i think writing it back it takes YV12.
Interesting ... I wonder why the different formats?
you really should read a full-frame at a time.
You don't need to be told which byte in the stream is which - each frame is the same size - just need to remember where you are in the stream.
I have to work on the application to make it truly v4l2 compliant. Accordingly, if I'm using v4l2, a read() will always get one frame. I'll have to look at the code to see if the driver will do queued buffers.
i believe the card has the capability to adjust the video -> audio delay on its own. Just need to test/expose it via ioctls.
Ah ... I didn't explain it correctly. The audio delay may have to exist because of the processing my application is doing, not because the card is out of sync.
Regards, Paul
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