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authorAidan Thornton <makosoft@googlemail.com>2008-04-13 15:09:36 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-04-24 14:09:39 -0300
commit3b5fa928a6b2971ec65571745defc5d9758b4bc1 (patch)
tree80854c270cec4154a9b86e4ed02b4970897104b5 /include/media/videobuf-vmalloc.h
parentb4916f8ca1da71bb97fb6dcf1e8da3f9c64cf80e (diff)
V4L/DVB (7565): em28xx: fix buffer underrun handling
This patch fixes three related issues and a fourth trivial one: - Use buffers even if no-one's currently waiting for them (fixes underrun issues); - Don't return incomplete/mangled frames at the start of streaming and in the case of buffer underruns; - Fix an issue which could cause the driver to write to a buffer that's been freed after videobuf_queue_cancel is called (exposed by the previous two fixes - for some reason, ignoring buffers that weren't being waited on worked around the issue); - Fix a bug which could cause only one field to be filled in the first buffer (or first few buffers) after streaming is started. Signed-off-by: Aidan Thornton <makosoft@googlemail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'include/media/videobuf-vmalloc.h')
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