[Bug 74335] [UVD] vdpau has terrible performance on radeonsi (HD 7950)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=74335

--- Comment #8 from Vladimir Ysikov <grantipak at gmail.com> ---
ArchLinux x86-64; linux 3.16; mesa git; llvm svn; Radeon HD 7950

Is it still correct?

I have:

$ mplayer -benchmark -nosound -lavdopts threads=16
Planet_Earth_From_Pole_to_Pole_1080p_sample.mkv -vo gl  

BENCHMARKs: VC:   3.404s VO:  17.792s A:   0.000s Sys:   1.978s =   23.174s
BENCHMARK%: VC: 14.6908% VO: 76.7753% A:  0.0000% Sys:  8.5339% = 100.0000%

$ mplayer -benchmark -nosound -lavdopts threads=16
Planet_Earth_From_Pole_to_Pole_1080p_sample.mkv -vo xv

BENCHMARKs: VC:  10.609s VO:   3.479s A:   0.000s Sys:   1.867s =   15.955s
BENCHMARK%: VC: 66.4934% VO: 21.8045% A:  0.0000% Sys: 11.7021% = 100.0000%

$ mplayer -benchmark -nosound -lavdopts threads=16
Planet_Earth_From_Pole_to_Pole_1080p_sample.mkv -vo vdpau

BENCHMARKs: VC:   3.319s VO:  16.936s A:   0.000s Sys:   0.644s =   20.900s
BENCHMARK%: VC: 15.8826% VO: 81.0336% A:  0.0000% Sys:  3.0837% = 100.0000%

$ mplayer -benchmark -nosound -lavdopts threads=16
Planet_Earth_From_Pole_to_Pole_1080p_sample.mkv -vo null

BENCHMARKs: VC:  11.915s VO:   0.003s A:   0.000s Sys:   0.653s =   12.571s
BENCHMARK%: VC: 94.7809% VO:  0.0228% A:  0.0000% Sys:  5.1963% = 100.0000%

$ mplayer -benchmark -nosound -lavdopts threads=16
Planet_Earth_From_Pole_to_Pole_1080p_sample.mkv -vo vdpau -vc ffh264vdpau

BENCHMARKs: VC:   7.402s VO:  13.679s A:   0.000s Sys:   0.692s =   21.773s
BENCHMARK%: VC: 33.9957% VO: 62.8252% A:  0.0000% Sys:  3.1791% = 100.0000%

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