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implement new grabbing interface, as described here:

Browse source 
ttp://thread.gmane.org/gmane.comp.video.ffmpeg.devel/42920
patch by Ramiro Polla % ramiro A lisha P ufsc P br %
Original thread:
Date: Jan 31, 2007 8:56 PM
Subject: [Ffmpeg-devel] [PATCH] New grabbing interface

Originally committed as revision 7983 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ramiro Polla 2007-02-14 17:01:32 +00:00 • committed by Guillaume Poirier
parent 2012121363
commit cc58300e30
11 changed files with 25 additions and 212 deletions
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24
doc/ffmpeg-doc.texi
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@ -26,11 +26,11 @@ video on the fly with a high quality polyphase filter.
@c man begin EXAMPLES
@section Video and Audio grabbing
FFmpeg can use a video4linux compatible video source and any Open Sound
System audio source:
FFmpeg can grab video and audio from devices given that you specify the input
format and device.
@example
ffmpeg /tmp/out.mpg
ffmpeg -f audio_device -i /dev/dsp -f video4linux2 -i /dev/video0 /tmp/out.mpg
@end example
Note that you must activate the right video source and channel before
@ -44,14 +44,14 @@ standard mixer.
FFmpeg can grab the X11 display.
@example
ffmpeg -f x11grab -vd x11:0.0 /tmp/out.mpg
ffmpeg -f x11grab -i :0.0 /tmp/out.mpg
@end example
0.0 is display.screen number of your X11 server, same as
the DISPLAY environment variable.
@example
ffmpeg -f x11grab -vd x11:0.0+10,20 /tmp/out.mpg
ffmpeg -f x11grab -i :0.0+10,20 /tmp/out.mpg
@end example
0.0 is display.screen number of your X11 server, same as the DISPLAY environment
@ -154,8 +154,6 @@ ffmpeg [[infile options][@option{-i} @var{infile}]]... @{[outfile options] @var{
@c man end
@end example
@c man begin DESCRIPTION
If no input file is given, audio/video grabbing is done.
As a general rule, options are applied to the next specified
file. Therefore, order is important, and you can have the same
option on the command line multiple times. Each occurrence is
@ -609,20 +607,12 @@ Set the ISO 639 language code (3 letters) of the current subtitle stream.
@section Audio/Video grab options
@table @option
@item -vd device
sEt video grab device (e.g. @file{/dev/video0}).
@item -vc channel
Set video grab channel (DV1394 only).
@item -tvstd standard
Set television standard (NTSC, PAL (SECAM)).
@item -dv1394
Set DV1394 grab.
@item -ad device
Set audio device (e.g. @file{/dev/dsp}).
@item -grab format
Request grabbing using.
@item -gd device
Set grab device.
@item -isync
Synchronize read on input.
@end table
@section Advanced options