- VIDSPLIT
- Take single /dev/videox input and enable it on 2 vloopback /dev/videox pipes.
- Provide resizing and format conversion for RGB24 input.
Covered by GNU GPL version 2. See included file COPYING.
No guarantees at all!
- Required
Vloopback -
To Compile:
Set DEBUG level appropriately. Remove NEWVLOOP define if using older vloopback-0.83 version. Then:
make
To run:
(example)
insmod /<vloopback dir>/vloopback.o pipes=2
./vidsplit /dev/video0 /dev/video1 /dev/video3 320x240
It does not daemonize at this time, so you should use a second xterm to start up test applications. Some of the startups I use are in the included file 'do'. The widthXheight is attempted to be set on the raw device. Can be used to remove interlace on bttv's above 320x240. Will not use above raw device widthXheight for input size.
To test:
xawtv -c /dev/video2 -geometry 320x240 & xawtv -c /dev/video4 -geometry 640x480
or
vic 224.2.2.2/3456 &
xawtv -c /dev/video4 &
- Limitations
- Slow
- Only works where input (real) device can mmap
- Appears to go into slow motion when 2 outputs are in use for a while
- Authors
Constructed by: James B. MacLean <macleajb@ednet.ns.ca>
Available from: http://www.ednet.ns.ca/~macleajb/vidsplit.html
Thanks to Jeroen Vreeken <pe1rxq@amsat.org> for much of the code used to start this as well as Jean-frederic Clere's code for rgb24->yuv conversion code of yuv.c.