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H264 1080p 60fps supported? #49

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luyi1888 opened this issue Apr 25, 2016 · 1 comment
Open

H264 1080p 60fps supported? #49

luyi1888 opened this issue Apr 25, 2016 · 1 comment

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@luyi1888
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luyi1888 commented Apr 25, 2016 •
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I tried it on Orange Pi PC(H3). It cannot play H264 1080p 60fps video smoothly. (Audio/Video out of sync)
30fps video is fine.
According to H3 Datasheet, It should support H.264:1080p@60fps.
Is it normal?

Demo file:http://distribution.bbb3d.renderfarming.net/video/mp4/bbb_sunflower_1080p_60fps_normal.mp4
OS:Armbian 5.0.5
@jemk
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jemk commented May 6, 2016

We are likely hitting a software performance limitation here, the hardware should be able to decode this.
libvdpau-sunxi isn't really optimized for maximum performance yet, some dumb things like clearing the whole window each frame with XClearWindow could really hurt at 60fps.

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@luyi1888 @jemk