Mailing List archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[linux-dvb] 16:9 first solution



rolf@max.lui.uni-tuebingen.de writes:
 > The DVB Card can be used to view 16:9 Movies,
 > with the best possible Resolution on a 16:9 TV!
 > 
 > This can be done by changing the Aspect Ratio
 > in the mpeg2 file.
 > 
 > by viewing into a mpeg2 datafile one will notice repeating
 > byte sequences starting like (Hex)
 > 
 > 00 00 01 b3 2d 02 40 
 > 
 > The next Byte contains the Aspect Ratio and the Framerate.
 > 
 > For example:
 > 
 > 33 (Meaning 16:9 and 25 fps)
 > 
 > Change this to:
 > 
 > 23 (Meaning 4:3 and 25 fps)
 > 
 > And you get the full not downscaled Resolution of
 > for example 704x576 Pixels. 
 > 
 [...]

You do not need to change the stream to do this.
Just use the VIDEO_SET_FORMAT call to tell the driver the aspect ratio
of the TV.


Ralph


-- 
Info:
To unsubscribe send a mail to listar@linuxtv.org with "unsubscribe linux-dvb" as subject.



Home | Main Index | Thread Index