[linux-dvb] tech questions 2 - non-mpeg content and fps conversion

[Ralph Metzler <rjkm@convergence.de>]

Arpi writes:
 > Is it possible to pass non-mpeg content (PCM audio and YUV 4:2:0/4:2:2
 > video) to the card?

Only PCM audio and currently I only support it in PCM PES packets.
Transmitting uncompressed YUV needs too much bandwidth.


 > I need it for AC3 audio and Divx/mpeg4 video support.
 > 
 > It isn't a big problem to re-encode content to mpeg 1/2 frames, but it
 > eats some CPU, so I want to avoid doing this if possible.
 > 
 > My another problem is the FPS conversion.
 > Can the DVB card do 25<->30 fps conversion (to play back 29.97/30 fps
 > content on PAL TV) itself, or I have to do the conversion by software
 > (dropping away / duplicate some B frames) ?

No, the card cannot do this. It also cannot create PAL60 signals. 

The EM8400 based MPEG2 decoder cards can do this.


Ralph


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