Hi Jean-Michel,

Am Mittwoch, den 22.10.2014, 11:21 +0200 schrieb Jean-Michel Hautbois:
> I may have misunderstand something...
> I try to encode, and modified the CODA_MAX_FRAME_SIZE to 0x500000 just to see.
>
> And here is the trace-cmd :
> 
> $> trace-cmd  record -e v4l2*  v4l2-ctl -d1  --stream-out-mmap
> --stream-mmap --stream-to x.raw

Are you sure /dev/video1 is the encoder device?

  $ cat /sys/class/video4linux/video12/name
  coda-encoder

  $ cat /sys/class/video4linux/video13/name
  coda-decoder

[...]
> And the bytesused is 5MB which corresponds to the 0x500000...
> How is the encoder supposed to work precisely ? I missed something...

The encoder just takes raw frames and returns encoded frames. The
bitstream ringbuffer is not involved there.

regards
Philipp

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