[mythtv-users] Internal player, Mac Mini, HD

David Campbell dave at cpfc.org
Fri Apr 11 16:24:37 UTC 2008


Hi - I am having a few issues playing back HD files in mkv container 
using Myth's internal player on a dual core mac mini.  The playback is 
jerky particularly during action scenes or long pans.  This despite lots 
of idle cpu.

Has anyone got any tips on tuning my mac mini to play HD?

Using the i810 driver caused distortion on the screen

Details:

System: MAC MINI dual core 1.66GHz, 2GB of Ram
OS: Ubuntu 7.10

Xorg:

Section "Device"
         Identifier      "Intel Corporation Mobile 945GM/GMS/940GML 
Express Integrated Graphics Controller"
         ###Driver               "i810"
         Driver          "intel"
         BusID           "PCI:0:2:0"
         Option          "LinearAlloc"   "96384"
EndSection

Example file I'm trying to play

ID_VIDEO_ID=0
[mkv] Track ID 1: video (V_MPEG4/ISO/AVC), -vid 0
ID_AUDIO_ID=0
ID_AID_0_LANG=und
[mkv] Track ID 2: audio (A_AC3), -aid 0, -alang und
[mkv] Will play video track 1.
Matroska file format detected.
VIDEO:  [avc1]  1280x720  24bpp  23.976 fps    0.0 kbps ( 0.0 kbyte/s)


# xdpyinfo
name of display:    localhost:10.0
version number:    11.0
vendor string:    The X.Org Foundation
vendor release number:    10400090
X.Org version: 1.4.0.90
maximum request size:  16777212 bytes
motion buffer size:  256
bitmap unit, bit order, padding:    32, LSBFirst, 32
image byte order:    LSBFirst
number of supported pixmap formats:    7
supported pixmap formats:
     depth 1, bits_per_pixel 1, scanline_pad 32
     depth 4, bits_per_pixel 8, scanline_pad 32
     depth 8, bits_per_pixel 8, scanline_pad 32
     depth 15, bits_per_pixel 16, scanline_pad 32
     depth 16, bits_per_pixel 16, scanline_pad 32
     depth 24, bits_per_pixel 32, scanline_pad 32
     depth 32, bits_per_pixel 32, scanline_pad 32
keycode range:    minimum 8, maximum 255
focus:  window 0x3a00005, revert to PointerRoot
number of extensions:    36
     ATIFGLEXTENSION
     ATIFGLRXDRI
     ATITVOUT
     BIG-REQUESTS
     DAMAGE
     DOUBLE-BUFFER
     DPMS
     Extended-Visual-Information
     GLX
     MIT-SCREEN-SAVER
     MIT-SHM
     MIT-SUNDRY-NONSTANDARD
     RANDR
     RECORD
     RENDER
     SECURITY
     SGI-GLX
     SHAPE
     SYNC
     TOG-CUP
     X-Resource
     XAccessControlExtension
     XC-APPGROUP
     XC-MISC
     XFIXES
     XFree86-Bigfont
     XFree86-DGA
     XFree86-DRI
     XFree86-Misc
     XFree86-VidModeExtension
     XINERAMA
     XINERAMA
     XInputExtension
     XKEYBOARD
     XTEST
     XVideo
default screen number:    0
number of screens:    1

screen #0:
   dimensions:    1280x1024 pixels (380x310 millimeters)
   resolution:    86x84 dots per inch
   depths (7):    24, 1, 4, 8, 15, 16, 32
   root window id:    0x86
   depth of root window:    24 planes
   number of colormaps:    minimum 1, maximum 1
   default colormap:    0x20
   default number of colormap cells:    256
   preallocated pixels:    black 0, white 16777215
   options:    backing-store NO, save-unders NO
   largest cursor:    64x64
   current input event mask:    0xfa4031
     KeyPressMask             EnterWindowMask          LeaveWindowMask
     KeymapStateMask          StructureNotifyMask 
SubstructureNotifyMask
     SubstructureRedirectMask FocusChangeMask          PropertyChangeMask
     ColormapChangeMask
   number of visuals:    80
   default visual id:  0x23
   visual:
     visual id:    0x23
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x24
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x25
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x26
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x27
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x28
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x29
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x2a
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x2b
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x2c
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x2d
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x2e
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x2f
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x30
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x31
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x32
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x33
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x34
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x35
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x36
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x37
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x38
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x39
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x3a
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x3b
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x3c
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x3d
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x3e
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x3f
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x40
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x41
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x42
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x43
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x44
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x45
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x46
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x47
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x48
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x49
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x4a
     class:    TrueColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x4b
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x4c
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x4d
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x4e
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x4f
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x50
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x51
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x52
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x53
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x54
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x55
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x56
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x57
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x58
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x59
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x5a
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x5b
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x5c
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x5d
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x5e
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x5f
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x60
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x61
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x62
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x63
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x64
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x65
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x66
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x67
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x68
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x69
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x6a
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x6b
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x6c
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x6d
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x6e
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x6f
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x70
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x71
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits
   visual:
     visual id:    0x72
     class:    DirectColor
     depth:    24 planes
     available colormap entries:    256 per subfield
     red, green, blue masks:    0xff0000, 0xff00, 0xff
     significant bits in color specification:    8 bits


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