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Old 11-22-11, 07:35 AM   #385
jlinkels
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Join Date: Nov 2011
Posts: 3
Default Re: VDPAU testing tool

I have installed a Sparkle 8400GS PCI in this machine. (PCI, not PCI-e)

Before the 8400GS I had an FX 5200 which could play AVI's and ISO's through VLC satisfactory. MP4 and H264 was non-satisfactory. Many freezes on MP4, 1 FPS with H264.

I installed the 8400GS, and H264 still is displayed at 1 FPS. Worse is, that oridinary videos like AVI's and ISO's have become unwatchable as well due to many freezes. H264 is at a 1280x720 resolution.

VLC 1.1.12 is using hardware acceleration, and when started from the command line it confirms that HW acceleration is used. There is however NO difference at all between HW assisted and non HW assisted performance.

When I play movies thru MPlayer, (-vo vdpau) mplayer tells me the computer is too slow, and audio lags about 10 seconds.

I am running the same VLC on an Intel Atom 1,6 GHz with NVIDIA Ion. That decoding is fully satisfactory.

Below the test results for qvdpautest for the 8400GS.

Code:
qvdpautest 0.5.1
AMD Athlon(TM) XP 1800+
NVIDIA GPU GeForce 8400GS (GT218) at PCI:2:0:0 (GPU-0)

VDPAU API version : 1
VDPAU implementation : NVIDIA VDPAU Driver Shared Library  285.05.09  Fri Sep 23 19:17:37 PDT 2011

SURFACE GET BITS: 79.9481 M/s
SURFACE PUT BITS: 33.8108 M/s

MPEG DECODING (1920x1080): 71 frames/s
MPEG DECODING (1280x720): 160 frames/s
H264 DECODING (1920x1080): 65 frames/s
H264 DECODING (1280x720): 133 frames/s
VC1 DECODING (1440x1080): 83 frames/s
MPEG4 DECODING (1920x1080): 71 frames/s

MIXER WEAVE (1920x1080): 262 frames/s
MIXER BOB (1920x1080): 343 fields/s
MIXER TEMPORAL (1920x1080): 100 fields/s
MIXER TEMPORAL + IVTC (1920x1080): 65 fields/s
MIXER TEMPORAL + SKIP_CHROMA (1920x1080): 136 fields/s
MIXER TEMPORAL_SPATIAL (1920x1080): 34 fields/s
MIXER TEMPORAL_SPATIAL + IVTC (1920x1080): 27 fields/s
MIXER TEMPORAL_SPATIAL + SKIP_CHROMA (1920x1080): 38 fields/s
MIXER TEMPORAL_SPATIAL (720x576 video to 1920x1080 display): 120 fields/s
MIXER TEMPORAL_SPATIAL + HQSCALING (720x576 video to 1920x1080 display): 62 fields/s

MULTITHREADED MPEG DECODING (1920x1080): 68 frames/s
MULTITHREADED MIXER TEMPORAL (1920x1080): 91 fields/s
No matter what I see, all frame rates are above 24 fps.

What should I do next?

jlinkels
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