[linux-dvb] LinuxDVB v4 API proposal

[Holger Waechtler <holger@convergence.de>]

Hi all,

we uploaded the v4 API proposal header files in a module called 
dvb-kernel-v4 into the LinuxTV CVS repository. You can view the files 
online, too:
http://linuxtv.org/cgi-bin/cvsweb.cgi/dvb-kernel-v4/linux/include/linux/dvb/

Basically the aim of these changes is to get all the odd things clean, 
we're now prefixing everything with DVB_XXX. Some more verbose info and 
GET_CAPABILITIES ioctls are added.

Stream routing is now source oriented, every device has a 
DVB_XXXX_SET_SOURCE ioctl to select the source stream.

The demux device allows to use only one filedescriptor for multiple 
filters in addition to the current approach of one fd per logical 
filter. It can now handle TS output directly, the DVR device will 
disappear. The new API supports PS input.

Descrambler control is now part of the demux device, this maps better to 
existing hardware.

The MPEG decoder devices can now handle both PES and ES input (if the 
hardware allows this - ), we added a more sophisticated presentation 
format notification to user space. DVD menu rendering was removed from 
the MPEG decoder API, this does not really belongs there.

Please review and comment these proposals, new ideas are welcome. It's 
all only a base for continuing discussion right now, nothing is fixed 
until somebody starts actual coding...
:)

Holger



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