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kernel_samsung_sm7125/Documentation/video4linux/README.tlg2300

1.1 KiB

tlg2300 release notes
====================

This is a v4l2/dvb device driver for the tlg2300 chip.


current status
==============

video
- support mmap and read().(no overlay)

audio
- The driver will register a ALSA card for the audio input.

vbi
- Works for almost TV norms.

dvb-t
- works for DVB-T

FM
- Works for radio.

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TESTED APPLICATIONS:

-VLC1.0.4 test the video and dvb. The GUI is friendly to use.

-Mplayer test the video.

-Mplayer test the FM. The mplayer should be compiled with --enable-radio and
--enable-radio-capture.
The command runs as this(The alsa audio registers to card 1):
#mplayer radio://103.7/capture/ -radio adevice=hw=1,0:arate=48000 \
-rawaudio rate=48000:channels=2

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KNOWN PROBLEMS:
about preemphasis:
You can set the preemphasis for radio by the following command:
#v4l2-ctl -d /dev/radio0 --set-ctrl=pre_emphasis_settings=1

"pre_emphasis_settings=1" means that you select the 50us. If you want
to select the 75us, please use "pre_emphasis_settings=2"