diff --git a/DOCS/documentation.html b/DOCS/documentation.html index 3fe1744ab7..48b4e4f9be 100644 --- a/DOCS/documentation.html +++ b/DOCS/documentation.html @@ -928,117 +928,114 @@ of the movie (switch it off with the "o" key).
This section is about how to enable watching/grabbing from V4L compatible TV tuner.
-THIS CODE IS CURRENTLY NOT-WORKED ON! Don't expect it to work without - tweaking/experimenting!
+THIS CODE IS CURRENTLY NOT BEING WORKED ON! Do not expect it to work + without tweaking/experimenting!
./configure
will autodetect kernel headers
- of v4l stuff, and the existence of /dev/video* entries. If they exist,
- TV support will be built (see configure's output!)../configure
will autodetect
+ kernel headers of v4l stuff and the existence of /dev/video*
+ entries. If they exist, TV support will be built (see the output of
+ ./configure
).Hint : are the colors messed up? Then your tuner can't display
- in YV12 colorspace. Try I420 (you must use the -vc rawi420
option too!), or YUY2, UYVY, RGB32 (this one
- with -vo sdl
) colorspaces.
- You can specify these with the outfmt=YV12
option see below.
Hint: Are the colors messed up? Then your tuner cannot display
+ in YV12 colorspace. Try I420 (-vc rawi420
) or YUY2, UYVY, RGB32
+ (-vo sdl
) colorspaces.
+ You can specify these with the outfmt=YV12
option, see below.
- | on |
+ on |
- | use TV - input | +Use TV input. |
- | noaudio |
+ noaudio |
- | thanks, no sound | +No sound, thanks. |
- | driver |
+ driver |
dummy - NULL TV input :) Used for testing only, generates dummy
input. - v4l - captures images from standard V4L interface (default - /dev/video0 ) |
+ v4l - Captures images from standard V4L interface (default
+ ||
- | device |
+ device |
- | specify other
- device than the default /dev/video0 |
+ Specify a device other than the default /dev/video0 . |
- | input |
+ input |
- | give from which
- input of the TV tuner you wish to grab from (e.g. television,
- s-video, composite, ...) + | Specify from which input of the TV tuner you wish to grab
+ (e.g. television, s-video, composite, ...) Prints the available ones during init. |
- | freq |
+ freq |
- | specify the - frequency to set the tuner (e.g. 511.250) | +Specify the frequency to set the tuner to (e.g. 511.250). |
- | outfmt |
+ outfmt |
- | in which output
- format should the tuner transport images to us (rgb32, rgb24, yv12,
- uyvy, i420 (for i420 you have to pass the -vc rawi420
- option, because of a fourcc conflict)) |
+ Specify the output format the tuner should use to transport images to us
+ (rgb32, rgb24, yv12, uyvy, i420 (for i420
+ you have to pass the -vc rawi420 option, because of a fourcc
+ conflict)). |
- | width |
+ width |
- | the width of the output window, in pixels | +width of the output window in pixels |
- | height |
+ height |
- | the height of the output window, in pixels | +height of the output window in pixels |
- | norm |
+ norm |
- | available: PAL, SECAM, NTSC | +available: PAL, SECAM, NTSC |
- | channel |
+ channel |
- | set the tuner to the given channel | +Set the tuner to the given channel. |
- | chanlist |
+ chanlist |
- | available: us-bcast, us-cable, europe-west, europe-east, etc |
+ available: us-bcast, us-cable, europe-west, europe-east, etc |
h or l | select previous/next channel | ||
h / k | select previous/next channel | ||
n | change norm | ||
b | change channel list |
mplayer -tv on:driver=v4l:width=640:height=480:outfmt=i420 -vc rawi420 -vo xv
+Note:
+If you have a TV card with an external audio device and get only a black
+screen, although input works with xawtv or similar, then try to use the
+-noaudio
option. For the example above this would be:
+ mplayer -tv on:noaudio:driver=v4l:width=640:height=480:outfmt=i420 -vc rawi420 -vo xv
+