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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 | |||
