linux/Documentation/video4linux
Jonathan Corbet 4b586a38b0 V4L/DVB: V4L2: Add a document describing the videobuf layer
Videobuf is a moderately complex API which most V4L2 drivers should use,
but its documentation is...sparse.  This document attempts to improve the
situation.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Reviewed-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-02-26 15:11:05 -03:00
..
bttv
cx88
cx2341x
.gitignore
API.html
cafe_ccic
CARDLIST.au0828
CARDLIST.bttv
CARDLIST.cx88
CARDLIST.cx23885 V4L/DVB: cx23885: Add support for LEADTEK WinFast PxTV1200 2010-02-26 15:10:52 -03:00
CARDLIST.em28xx V4L/DVB (13528): em28xx: add support for em2800 VC211A card 2009-12-05 18:42:17 -02:00
CARDLIST.ivtv
CARDLIST.saa7134 V4L/DVB (13945): Add lost config and PCI ID for card of Beholder 2010-02-26 15:10:32 -03:00
CARDLIST.saa7164
CARDLIST.tuner
CARDLIST.usbvision
cpia2_overview.txt
CQcam.txt
cx18.txt
et61x251.txt
extract_xc3028.pl
gspca.txt V4L/DVB (13993): gspca.txt: add cams supported by mr97310a, sq905(c) and sn9c2028 drivers 2010-02-26 15:10:39 -03:00
hauppauge-wintv-cx88-ir.txt
ibmcam.txt
lifeview.txt
m5602.txt
Makefile
meye.txt
not-in-cx2388x-datasheet.txt
ov511.txt
pxa_camera.txt
radiotrack.txt
README.cpia
README.cpia2
README.cx88
README.ir
README.ivtv
README.pvrusb2
README.saa7134
README.tlg2300 V4L/DVB: tlg2300: remove the country code for analog tv and radio 2010-02-26 15:10:58 -03:00
se401.txt
sh_mobile_ceu_camera.txt V4L/DVB (13651): sh_mobile_ceu_camera: document the scaling and cropping algorithm 2009-12-16 09:27:20 -02:00
si470x.txt
si4713.txt
sn9c102.txt
soc-camera.txt
stv680.txt
v4l2-framework.txt V4L/DVB: V4L2: Add a document describing the videobuf layer 2010-02-26 15:11:05 -03:00
v4lgrab.c
videobuf V4L/DVB: V4L2: Add a document describing the videobuf layer 2010-02-26 15:11:05 -03:00
w9966.txt
w9968cf.txt
zc0301.txt
Zoran
zr364xx.txt

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.

---------------------------------------------------------------------------
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

---------------------------------------------------------------------------
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"