[linux-dvb] DVB API: Questions about VIDEO_STILLPICTURE

[Dave Chapman <dave@dchapman.com>]

Hello,

I'm looking to experiment with the VIDEO_STILLPICTURE command, but need some 
help getting started:

1) Can anyone point me to a C routine that will turn a bitmap into an I-Frame 
suitable for the VIDEO_STILLPICTURE driver function?  I've searched the 
Internet without success.

Alternatively, do Ralph/Marcus/anyone consider it appropriate to add a 
conversion routine to the driver to allow the application to pass the bitmap 
in an uncompressed format?

2) what happens to currently playing video (either live or a recording) when 
this function is called.  Is it equivalent to a VIDEO_FREEZE, or should I 
call VIDEO_FREEZE before calling VIDEO_STILLPICTURE?

3) Am I correct in assuming that the audio is unaffected?

4) What are the limitations on the size and colour-depth of the I-Frame?  Can 
you provide a list of resolutions?

Best wishes,

Dave.


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