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V4L/DVB (7938): pvrusb2: Increase enforced encoder wait delay to improve reliability 

The driver enforces a "quiet period" on the encoder in certain
situations before attempting to operate it.  This seems to help avoid
video encoding errors / corruption.  The quiet period was 50msec, but
through experimentation it has been observed to improve further if the
interval is increased to 100msec.

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Mike Isely 2008-05-26 05:54:24 -03:00 committed by Mauro Carvalho Chehab
parent 83ce57aa45
commit fa98e59422
1 changed files with 4 additions and 2 deletions
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6
drivers/media/video/pvrusb2/pvrusb2-hdw.c
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@ -44,8 +44,10 @@
#define TIME_MSEC_DECODER_WAIT 50 #define TIME_MSEC_DECODER_WAIT 50
/* This defines a minimum interval that the encoder must remain quiet /* This defines a minimum interval that the encoder must remain quiet
before we are allowed to configure it. */ before we are allowed to configure it. I had this originally set to
#define TIME_MSEC_ENCODER_WAIT 50 50msec, but Martin Dauskardt <martin.dauskardt@gmx.de> reports that
things work better when it's set to 100msec. */
#define TIME_MSEC_ENCODER_WAIT 100
/* This defines the minimum interval that the encoder must successfully run /* This defines the minimum interval that the encoder must successfully run
before we consider that the encoder has run at least once since its before we consider that the encoder has run at least once since its