and how can i know it?<br><br><div class="gmail_quote">On Mon, Jul 27, 2009 at 8:09 PM, Dan Dennedy <span dir="ltr"><<a href="mailto:dan@dennedy.org">dan@dennedy.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
ffmpeg only supports uncompressed via V4L(2). Please lookup what<br>
formats your webcam provides.<br>
<br>
2009/7/27 Javier Agustěn Fernŕndez Arroyo <<a href="mailto:elhoir@gmail.com">elhoir@gmail.com</a>>:<br>
<div><div></div><div class="h5">> hello,<br>
> i dont know if this is the corerct way for reporting problems... but let me<br>
> explain..<br>
><br>
> i have recently bought a webcam, and it works in videolan, using the<br>
> video4linux 2 setting. The device file is /dev/video0.<br>
><br>
> But in kdenlive, it shows "broken capture. Please check params"<br>
><br>
> this is the kdenlive log when i try to capture:<br>
><br>
> kdenlive(9822) RecMonitor::slotRecord: Capture: Running ffmpeg "-f<br>
> video4linux2 -s 320x240 -r 15 -i /dev/video0 -qscale 1 -ab 224k -vcodec<br>
> mpeg4 -acodec mp2 -y /home/elhoir/capture0000.mp4 -f mpegts -vcodec mpeg4<br>
> -acodec mp2 -"<br>
> kdenlive(9822) RecMonitor::slotRecord: Capture: Running ffplay "-f mpegts<br>
> -x 465 -y 124 -"<br>
><br>
> When running it in the command line, i get this:<br>
><br>
> elhoir@elhoir-desktop:~$ ffmpeg -f video4linux2 -s 320x240 -r 15 -i<br>
> /dev/video0 -qscale 1 -ab 224k -vcodec mpeg4 -acodec mp2 -y<br>
> /home/elhoir/capture0000.mp4 -f mpegts -vcodec mpeg4 -acodec mp2 -<br>
> FFmpeg version 0.5-svn17737+3:0.svn20090303-1ubuntu6, Copyright (c)<br>
> 2000-2009 Fabrice Bellard, et al.<br>
> configuration: --enable-gpl --enable-postproc --enable-swscale<br>
> --enable-x11grab --extra-version=svn17737+3:0.svn20090303-1ubuntu6<br>
> --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-libgsm<br>
> --enable-libschroedinger --enable-libspeex --enable-libtheora<br>
> --enable-libvorbis --enable-pthreads --disable-stripping --disable-vhook<br>
> --enable-libdc1394 --disable-armv5te --disable-armv6 --disable-armv6t2<br>
> --disable-armvfp --disable-neon --disable-altivec --disable-vis<br>
> --enable-shared --disable-static<br>
> libavutil 49.15. 0 / 49.15. 0<br>
> libavcodec 52.20. 0 / 52.20. 0<br>
> libavformat 52.31. 0 / 52.31. 0<br>
> libavdevice 52. 1. 0 / 52. 1. 0<br>
> libavfilter 0. 4. 0 / 0. 4. 0<br>
> libswscale 0. 7. 1 / 0. 7. 1<br>
> libpostproc 51. 2. 0 / 51. 2. 0<br>
> built on Apr 10 2009 23:18:41, gcc: 4.3.3<br>
> [video4linux2 @ 0x833fac0][3]Capabilities: 4000001<br>
> [video4linux2 @ 0x833fac0]Cannot find a proper format.<br>
> /dev/video0: I/O error occurred<br>
> Usually that means that input file is truncated and/or corrupted.<br>
> elhoir@elhoir-desktop:~$<br>
><br>
> Can anyone help me? Many thanks<br>
><br>
> The params string in kdenlive is this:<br>
><br>
> -f video4linux2 -s 320x240 -r 15 -i /dev/video0<br>
><br>
> Im using Ubuntu 9.04, and kdenlive 0.7.3 (too old?)<br>
><br>
</div></div>> ------------------------------------------------------------------------------<br>
><br>
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><br>
><br>
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