[linux-dvb] play_iframe() improvement?

[Ralph Metzler <rjkm@convergence.de>]

Klaus Schmidinger writes:
 > 
 > I was thinking about the method by which play_iframe() (in dvb.c)
 > attempts to display a still picture. Apparently it has to send
 > the same I-frame until 400000 byte have been transmitted to fill
 > up the decoder's buffer.
 > 
 > Now I read in the AV711x data sheet that in "Scan" mode the decoder
 >  
 >   "Searches for the first I picture, decodes it, displays it, then continues
 >    searching for next I picture and repeats"
 > 
 > this sounds as if it then would not be necessary to fill up the buffer,
 > but rather as if the decoder would display an I-frame as soon as it has
 > received one. Unfortunately, despite several attempts to implement this,
 > I didn't have any success. Could one of the driver developers please
 > comment on this and let me know if I'm completely wrong here?

No, you are completely right.
I also have no idea how to force the decoder to start decoding
immediately. I just does not do it.


Ralph


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