Public bug reported:
After upgrading from Wily to Xenial, vlc scaling and zooming is now
incorrect for h264 videos playing on i965. See attached screenshot "vlc-
vaapi.png" for a clear depiction of the problem.
Four test cases:
1. With libvdpau-va-gl1 and i965-va-driver installed, video is displayed with
the wrong aspect ratio and does not scale properly. Screenshot is vlc-vaapi.png
and terminal output looks like this:
VLC media player 2.2.2 Weatherwax (revision 2.2.2-0-g6259d80)
[0000000000758148] core libvlc: Running vlc with the default interface. Use
'cvlc' to use vlc without interface.
libva info: VA-API version 0.39.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_0_39
libva info: va_openDriver() returns 0
2. With libvdpau-va-gl1 but not i965-va-driver installed, video is the same as
#1 (vlc-vaapi.png) but terminal output is a little different:
VLC media player 2.2.2 Weatherwax (revision 2.2.2-0-g6259d80)
[0000000000758148] core libvlc: Running vlc with the default interface. Use
'cvlc' to use vlc without interface.
libva info: VA-API version 0.39.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_0_39
libva info: va_openDriver() returns 0
3. Without libvdpau-va-gl1 (and regardless of installation status of
i965-va-driver), playback works perfectly. See vlc-vaapi-no-vdpau.png. Terminal
output looks like this:
VLC media player 2.2.2 Weatherwax (revision 2.2.2-0-g6259d80)
[0000000000c29148] core libvlc: Running vlc with the default interface. Use
'cvlc' to use vlc without interface.
Failed to open VDPAU backend libvdpau_va_gl.so: cannot open shared object file:
No such file or directory
Package versions used for this test:
||/ Name Version Architecture Description
+++-==============-============-============-=================================
ii ffmpeg 7:2.8.6-1ubu amd64 Tools for transcoding, streaming
ii i965-va-driver 1.7.0-1 amd64 VAAPI driver for Intel G45 & HD G
ii libva-x11-1:am 1.7.0-1 amd64 Video Acceleration (VA) API for L
ii libvdpau-va-gl 0.3.6-1 amd64 VDPAU driver with OpenGL/VAAPI ba
ii vdpau-va-drive 0.7.4-5 amd64 VDPAU-based backend for VA API
ii vlc 2.2.2-4 amd64 multimedia player and streamer
** Affects: vlc (Ubuntu)
Importance: Undecided
Status: New
** Tags: dist-upgrade regression-release xenial
** Tags added: xenial
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https://bugs.launchpad.net/bugs/1568536
Title:
Wrong aspect ratio with vdpau on i965
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