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Bug#467507: marked as done (compiz: Prevents frame grabbing from v4l device (tv tuner))

Your message dated Sun, 16 Mar 2008 13:34:25 +0100
with message-id <47DD13D1.1000800@ens-lyon.org>
and subject line Re: Bug#467507: compiz: Prevents frame grabbing from v4l device (tv tuner)
has caused the Debian Bug report #467507,
regarding compiz: Prevents frame grabbing from v4l device (tv tuner)
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
467507: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=467507
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: compiz
Version: 0.6.3~git20071222.061ff159-1
Severity: normal


Having compiz active results in blank video using ffmpeg (both lenny and experimental) for a/v recording.  Not starting compiz as the window manager (but the package is still on the system) and sticking with metacity restores the desired functionality (recording tv) to ffmpeg.

The ffmpeg command-line I use (for the experimental ffmpeg, lenny uses audio_device instead of oss) is:

/usr/bin/ffmpeg -y -tvstd ntsc -t "$TOTALSECONDS" -s 480x352 -re -deinterlace -f video4linux2 -i /dev/video0 -f oss -i /dev/dsp -ac 2 -s 640x480 -f mpeg -vcodec mpeg1video -acodec mp2 "$BASEFILENAME.mpeg"

with totalseconds and basefilename filled in, of course

-- System Information:
Debian Release: lenny/sid
  APT prefers testing
  APT policy: (500, 'testing'), (500, 'stable')
Architecture: i386 (i686)

Kernel: Linux 2.6.24-1-686 (SMP w/1 CPU core)
Locale: LANG=en_CA.UTF-8, LC_CTYPE=en_CA.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages compiz depends on:
ii  compiz-core 0.6.3~git20071222.061ff159-1 OpenGL window and compositing mana
ii  compiz-gnom 0.6.3~git20071222.061ff159-1 OpenGL window and compositing mana
ii  compiz-gtk  0.6.3~git20071222.061ff159-1 OpenGL window and compositing mana
ii  compiz-plug 0.6.3~git20071222.061ff159-1 OpenGL window and compositing mana

compiz recommends no packages.

-- no debconf information

--- End Message ---
--- Begin Message --- 
Daniel Dickinson wrote:
> It's recording from and old tv tuner card at /dev/video0.  I suspect it
> interact with the video card in some way because trying to play videos
> on a display other than :0 results in blank video, and I'm pretty sure
> these old bttv848 based cards did direct transfers to video memory (but
> not onscreen unless you so choose).
>
> Given what you say, my guess is that the card is incompatible with
> compiz.
>   

The card or maybe the recording application may be incompatible with
compiz redirected windows, right. Probably not a bug in compiz then.

Brice

--- End Message ---
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