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1 | tlg2300 release notes | ||
2 | ==================== | ||
3 | |||
4 | This is a v4l2/dvb device driver for the tlg2300 chip. | ||
5 | |||
6 | |||
7 | current status | ||
8 | ============== | ||
9 | |||
10 | video | ||
11 | - support mmap and read().(no overlay) | ||
12 | |||
13 | audio | ||
14 | - The driver will register a ALSA card for the audio input. | ||
15 | |||
16 | vbi | ||
17 | - Works for almost TV norms. | ||
18 | |||
19 | dvb-t | ||
20 | - works for DVB-T | ||
21 | |||
22 | FM | ||
23 | - Works for radio. | ||
24 | |||
25 | --------------------------------------------------------------------------- | ||
26 | TESTED APPLICATIONS: | ||
27 | |||
28 | -VLC1.0.4 test the video and dvb. The GUI is friendly to use. | ||
29 | |||
30 | -Mplayer test the video. | ||
31 | |||
32 | -Mplayer test the FM. The mplayer should be compiled with --enable-radio and | ||
33 | --enable-radio-capture. | ||
34 | The command runs as this(The alsa audio registers to card 1): | ||
35 | #mplayer radio://103.7/capture/ -radio adevice=hw=1,0:arate=48000 \ | ||
36 | -rawaudio rate=48000:channels=2 | ||
37 | |||
38 | --------------------------------------------------------------------------- | ||
39 | KNOWN PROBLEMS: | ||
40 | about preemphasis: | ||
41 | You can set the preemphasis for radio by the following command: | ||
42 | #v4l2-ctl -d /dev/radio0 --set-ctrl=pre_emphasis_settings=1 | ||
43 | |||
44 | "pre_emphasis_settings=1" means that you select the 50us. If you want | ||
45 | to select the 75us, please use "pre_emphasis_settings=2" | ||
46 | |||
47 | |||