[linux-dvb] Bug in drivers ringbuffer

[Ralph Metzler <rjkm@metzlerbros.de>]

Hi,

Peter Seyringer writes:
 > Im writing now on my teletextdecoder for VDR. But i always have troubles to view my txt picture with the video_stillpicture command. My picture is a i-frame. Now i have the problem, that i must fill up the ringbuffer, that the driver shows the picture on my tv. So i paste them mutible time to the buffer.
 > But the Problem was that i only get a part, half screen or only some lines, on the tv screen.
 > 
 > After some times playing with the driver code i found out, if i change the line
 >                 ring_buffer_flush(&dvb->avout);
 > to
 >                 ring_buffer_flush(&dvb->aout);
 > (i know its for audio) but now i don't have to fill up the buffer and the picture is shown on the tv screen without any problem.
 > 
 > Can you tell me why it works without flush the videobuffer?


I guess it is a syncing problem. Maybe there is some unplayed audio 
left in the buffer which prevents the video from being played
because it tried to sync it.


Ralph






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