[mythtv-users] Audio buffer overflow when FFWD ... did something change in the latest SVN versions?

[Michael T. Dean]

On 02/03/2008 04:50 AM, Ma Begaj wrote:
> 2008/2/2, Ma Begaj <derliebegott at gmail.com>:
>   
>> I am getting sound problems when fast forwarding in a recording. Sound
>> is stuttering or playing just normal while I ffwd in the recording
>> with 3x, 5x or 10x speed.
>>
>>  I started seeing these problems maybe two weeks ago, but I did not
>> have enough time to investigate more. I am using latest patch from
>> http://svn.mythtv.org/trac/ticket/1104 and I thought that this might
>> be a reason. But it is not (I tested today without the patch).
>>
>> Mythfrontend takes around 20% of the CPU when watching a recording
>> without the patch and around 40% when running with the patch, even
>> when I use ALSA:default.
>>
>>
>> I do not remember that sound was even played before (2-3 weeks ago)
>> when I was ffwd/bwd  in the recording. The picture is also stuttering
>> partly during ffwd/bwd probably because of these sounds problems.
>>
>> Did I maybe miss an option in the configuration to disable playing
>> sound while fast forwarding? What is the point of playing sound during
>> fast forward?
> Someone with an idea?

Assuming you're right about it not having to do with #1104, this 
(playback of audio during fast forward) usually occurs because of a 
corrupted seektable.  optimize_mythdb.pl, then use mythcommflag 
--rebuild or (for MPEG-2), mythtranscode --buildindex on each affected 
recording.

Mike