| Huang Shijie | 5b3f03f | 2010-02-02 04:07:47 -0300 | [diff] [blame] | 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: |
| Huang Shijie | 007ad83 | 2010-02-11 03:53:51 -0300 | [diff] [blame] | 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 |
| Huang Shijie | 5b3f03f | 2010-02-02 04:07:47 -0300 | [diff] [blame] | 43 | |
| Huang Shijie | 007ad83 | 2010-02-11 03:53:51 -0300 | [diff] [blame] | 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" |
| Huang Shijie | 5b3f03f | 2010-02-02 04:07:47 -0300 | [diff] [blame] | 46 | |
| Huang Shijie | 5b3f03f | 2010-02-02 04:07:47 -0300 | [diff] [blame] | 47 | |