On 02/03/17 07:59, Vincent Bernat wrote: > ❦ 2 mars 2017 07:48 +0100, Daniel Pocock <[email protected]> : > >> Package: libvdpau-va-gl1 >> Version: 0.3.4-2 >> >> Before installing libvdpau-va-gl I noticed that vlc would emit these >> warnings each time I used it: >> >> Failed to open VDPAU backend libvdpau_va_gl.so: cannot open shared >> object file: No such file or directory >> Failed to open VDPAU backend libvdpau_va_gl.so: cannot open shared >> object file: No such file or directory >> >> >> I installed the package libvdpau-va-gl to try and eliminate the warnings >> and to see if there was any improvement. >> >> I noticed that the video playback in vlc actually became a lot worse >> than it had been without the package. The frame rate appeared to drop >> to less than 5 fps. Therefore, I removed the package again. > > Not much to do with the version in stable. There has been some > improvements about how VLC expect the VDPAU API to be in more recent > versions. The problem may go away with the 0.4.2 version in testing. If > yes, I could backport it. >
libvdpau-va-gl1 was automatically installed on the system again during a dist-upgrade from jessie to stretch Once again, it had a really bad impact on video playback in VLC. Removing the package again resolved this. $ sudo dpkg --purge libvdpau-va-gl1 Many ordinary users will not even know which package is responsible for these problems with video playback quality. Is there any way Debian can avoid installing this automatically? Alternatively, should packages like vlc detect when libvdpau-va-gl1 is present and when the frame rate is unacceptable and display a popup or something telling people to remove it? Regards, Daniel
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