V4L/DVB (13431): cx18: Adjust an MDL's final buffer size to force encoder transfer size

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The encoder was not honoring the MDL size sent in DE_SET_MDL mailbox commands.
This change adjusts the size of the last buffer in an MDL, as reported to the
firmware, so that the encoder will send the exact amount of bytes we specify
per MDL transfer.  This eliminates tearing in YUV playback when using
non-default YUV buffer sizes.

Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

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Andy Walls 2009-11-10 23:28:30 -03:00 • committed by Mauro Carvalho Chehab

parent 22dce188ef

commit 1047a83844

1 changed files with 18 additions and 3 deletions

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drivers/media/video/cx18/cx18-queue.c

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