Setting the link fixes vainfo "physically", but not logically. There is
a version mismatch for libva shipping with Vivid (1.5.x / API 0.37.0)
and AMD's driver (1,3.x / API 0.33.0). Unicorn has version 1.3, so AMD's
driver works with that version both logically and physically only.
Output on Vivid Vervet;
$> vainfo
libva info: VA-API version 0.37.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/fglrx_drv_video.so
libva info: Found init function __vaDriverInit_0_33
libva info: va_openDriver() returns 0
vainfo: VA-API version: 0.37 (libva 1.5.0)
vainfo: Driver version: AMD MMD 1.0
vainfo: Supported profile and entrypoints
VAProfileMPEG2Simple : VAEntrypointVLD
VAProfileMPEG2Main : VAEntrypointVLD
VAProfileMPEG4Simple : VAEntrypointVLD
VAProfileMPEG4AdvancedSimple : VAEntrypointVLD
VAProfileMPEG4Main : VAEntrypointVLD
VAProfileH264Baseline : VAEntrypointVLD
VAProfileH264Main : VAEntrypointVLD
VAProfileH264High : VAEntrypointVLD
VAProfileVC1Simple : VAEntrypointVLD
VAProfileVC1Main : VAEntrypointVLD
VAProfileVC1Advanced : VAEntrypointVLD
I am not totally sure how version mismatches affect libva, but videolan
seems to ignore the hardware accelerated driver, despite finding it.
$> VLC_VERBOSE=2 vlc testvideo.mkv
[...]
[VS] Software VDPAU backend library initialized
libva info: VA-API version 0.37.0
[0000000002233d98] qt4 interface debug: IM: Setting an input
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/fglrx_drv_video.so
libva info: Found init function __vaDriverInit_0_33
libva info: va_openDriver() returns 0
[00007fdd7c001208] vdpau_avcodec generic debug: video surface limits: 1920x1080
[00007fdd7c001208] vdpau_avcodec generic debug: decoder profile limits: level
51 mb 16384 2048x2048
[00007fdd7c001208] core generic debug: using hw decoder module "vdpau_avcodec"
[00007fdd7c001208] vdpau_avcodec generic error: decoder creation failure:
VDP_STATUS_ERROR
[00007fdd8cc0dba8] avcodec decoder error: acceleration setup failure
[...]
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1442921
Title:
Ubuntu-Proposed Catalyst fglrx* 2:15.200 missing link to
fglrx_drv_video.so
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