Due to platform limitation, Loongson-3a use 16KB page, and X86 use 4KB page, maybe this has some relationship with the video mosaic?
On Fri, Apr 19, 2013 at 4:51 PM, Chen Jie <chenj at lemote.com> wrote: > Hi all, > > Recently, the uvd supporting is released, and we've tried it on > loongson 3a platform. > Brief introduction about loongson 3a, it's a MIPS III compatible, 4 > cores processor. > > More details about the platform [1]: > * The Board: RS780E + SB710 chipset, with an AMD radeon HD6570 video card > * The kernel is 64bits(n64 ABI), and the userland is 32bits(o32 ABI) > * OS: LOonux 3.3.6 [2] + LTP-uvd-installer-20130419.bin [3] > ** kernel: 3.9 + uvd related patches > ** mesa: git master version (d0e9aa) > > We tried three video samples: > * big_buck_bunny_1080p_h264.mov > ( > http://mirrorblender.top-ix.org/peach/bigbuckbunny_movies/big_buck_bunny_1080p_h264.mov > ) > * Sintel.2010.2K.x264-VODO.mp4 > ( > http://dev.lemote.com/files/upload/software/UVD-debug/Sintel.2010.2K.x264-VODO.mp4 > ) > * test.avi (http://dev.lemote.com/files/upload/software/UVD-debug/test.avi > ) > > For big_buck_bunny_1080p_h264.mov, the playback is not very fluent at > the beginning, and it has some video mosaic. We've recorded a video > for it, see > http://dev.lemote.com/files/upload/software/UVD-debug/bbb-1080P.mp4 > For video mosaic, what could it be caused by? > > For Sintel.2010.2K.x264-VODO.mp4, it has a very long wait for the first > frame. > We've also recorded a video for it, see > http://dev.lemote.com/files/upload/software/UVD-debug/sintel.2K.mp4 > Any idea about the long wait for the first frame? > > For test.avi(video: ITU H.264, 1920x1080), it's playing back > perfectly! Thanks for the effort on UVD! > > In all of these tests, the CPU usage is around 50%, and all three > video samples play well on X86 platform with the same video card. > > BTW, 785G also has UVD2.0, is it supported currently? Or will it be > supported in the near future? > > > > Regards, > > Chen Jie > ---- > [1] http://www.lemote.com/products/computer/fulong/348.html (zh_CN) > [2] http://dev.lemote.com/653.html (zh_CN) > [3] http://dev.lemote.com/663.html (zh_CN) > _______________________________________________ > dri-devel mailing list > dri-devel at lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/dri-devel > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20130419/1be454d4/attachment.html>