On Sun, May 09, 2010 at 06:46:20PM +0200, Merciadri Luca wrote: > ~$ ffmpeg -f x11grab -s cif -i :0.0 /tmp/out.mpg > FFmpeg version r11872+debian_0.svn20080206-18+lenny1, Copyright (c) 2000-2008 > Fabrice Bellard, et al. > configuration: --enable-gpl --enable-libfaad --enable-pp --enable-swscaler > --enable-x11grab --prefix=/usr --enable-libgsm --enable-libtheora > --enable-libvorbis --enable-pthreads --disable-strip --enable-libdc1394 > --disable-armv5te --disable-armv6 --disable-altivec --disable-vis > --enable-shared --disable-static > libavutil version: 49.6.0 > libavcodec version: 51.50.0 > libavformat version: 52.7.0 > libavdevice version: 52.0.0 > built on Jan 28 2010 20:57:25, gcc: 4.3.2 > [x11grab @ 0xb7f7fec8]device: :0.0 -> display: :0.0 x: 0 y: 0 width: 352 > height: 288 > [x11grab @ 0xb7f7fec8]AVParameters don't have video size and/or rate. Use -s > and -r. > :0.0: I/O error occured > Usually that means that input file is truncated and/or corrupted. > == > > == > $ ffmpeg -f x11grab -s cif -i :0.0+10,20 /tmp/out.mpg > FFmpeg version r11872+debian_0.svn20080206-18+lenny1, Copyright (c) 2000-2008 > Fabrice Bellard, et al. > configuration: --enable-gpl --enable-libfaad --enable-pp --enable-swscaler > --enable-x11grab --prefix=/usr --enable-libgsm --enable-libtheora > --enable-libvorbis --enable-pthreads --disable-strip --enable-libdc1394 > --disable-armv5te --disable-armv6 --disable-altivec --disable-vis > --enable-shared --disable-static > libavutil version: 49.6.0 > libavcodec version: 51.50.0 > libavformat version: 52.7.0 > libavdevice version: 52.0.0 > built on Jan 28 2010 20:57:25, gcc: 4.3.2 > [x11grab @ 0xb7eb7ec8]device: :0.0+10,20 -> display: :0.0 x: 10 y: 20 width: > 352 height: 288 > [x11grab @ 0xb7eb7ec8]AVParameters don't have video size and/or rate. Use -s > and -r. > :0.0+10,20: I/O error occured > Usually that means that input file is truncated and/or corrupted. > == Simply look at that line: > [x11grab @ 0xb7eb7ec8]AVParameters don't have video size and/or rate. Use -s > and -r. As far as you have size (-s parameter) specified already, you only need to add frame rate (-r). Following command should work fine:
$ ffmpeg -f x11grab -s cif -r 24 -i :0.0 /tmp/out.mpg -- Regards, Alexander Batischev -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20100509170058.ga24...@eternity.smila.com
