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V4L/DVB (6046): ivtv: always steal full frames if out of buffers.

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When there are no more free buffers, then buffers are stolen from the
predma queue. Buffers should be stolen from the head of that queue (which
is where the most recently added buffers are) and all buffers belonging
to a frame should be stolen. Otherwise 'half-frames' would remain in the
queue, which leads to ugly playback and complete sync failure for YUV
buffers.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Hans Verkuil 2007-07-28 12:07:12 -03:00 • committed by Mauro Carvalho Chehab
commit f4071b85ea
4 changed files with 45 additions and 26 deletions
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