[Bug 68805] New: 48 fps and 50 fps video decoding is stutter on UVD

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=68805

          Priority: medium
            Bug ID: 68805
          Assignee: dri-devel at lists.freedesktop.org
           Summary: 48 fps and 50 fps video decoding is stutter on UVD
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: russianneuromancer at ya.ru
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Drivers/Gallium/r600
           Product: Mesa

Created attachment 84985
  --> https://bugs.freedesktop.org/attachment.cgi?id=84985&action=edit
dmesg

48 fps and 50 fps video decoding is stutter on UVD, even 720p. UVD on Radeon
6310 with fglrx driver as able to decode up to 1080p 50 fps video with zero
dropper frames so hardware is capable of decoding such framerate.
There is 48 fps sample
http://dl.dropbox.com/u/11564551/Inception_trailer_48fps.mkv but I want to
notice - many camcorders record 1080p50 or even 1080p60 video this days, so
this issue not just about trailers that upscaled from 24 to 48 fps.

Radeon HD 6310
Linux 3.11 with drm-next from this folder:
http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-next/current/ (build
3.11.0-996.201308300442). radeon.dpm is enabled.
libdrm 2.4.46+git1308291007.f17d41
xserver-xorg-video-radeon 7.2.0+git1308270847.8927d3
Mesa 9.3~git1308301002.74be77
libvdpau1 0.7-1
mplayer2 2.0-554-gf63dbad
Ubuntu 13.04 x86_64

Driver, Mesa and firmwares installed from this PPA:
https://launchpad.net/~oibaf/+archive/graphics-drivers

dmesg output attached.
vdpauinfo output attached.

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