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video : use the V4L2_STD macros to select the proper audio setting. radio : add preemphasis ctr. test it by the command: v4l2-ctl -d /dev/radio0 --set-ctrl=pre_emphasis_settings=1 [mchehab@redhat.com: folded documentation patch] Signed-off-by: Huang Shijie <shijie8@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
48 lines
1.1 KiB
Plaintext
48 lines
1.1 KiB
Plaintext
tlg2300 release notes
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====================
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This is a v4l2/dvb device driver for the tlg2300 chip.
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current status
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==============
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video
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- support mmap and read().(no overlay)
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audio
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- The driver will register a ALSA card for the audio input.
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vbi
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- Works for almost TV norms.
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dvb-t
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- works for DVB-T
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FM
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- Works for radio.
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---------------------------------------------------------------------------
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TESTED APPLICATIONS:
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-VLC1.0.4 test the video and dvb. The GUI is friendly to use.
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-Mplayer test the video.
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-Mplayer test the FM. The mplayer should be compiled with --enable-radio and
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--enable-radio-capture.
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The command runs as this(The alsa audio registers to card 1):
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#mplayer radio://103.7/capture/ -radio adevice=hw=1,0:arate=48000 \
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-rawaudio rate=48000:channels=2
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---------------------------------------------------------------------------
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KNOWN PROBLEMS:
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about preemphasis:
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You can set the preemphasis for radio by the following command:
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#v4l2-ctl -d /dev/radio0 --set-ctrl=pre_emphasis_settings=1
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"pre_emphasis_settings=1" means that you select the 50us. If you want
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to select the 75us, please use "pre_emphasis_settings=2"
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