[mythtv-users] Myth 0.14 - Version 1.0??

papenfuss at juneau.me.vt.edu papenfuss at juneau.me.vt.edu
Mon Feb 9 13:54:14 EST 2004


	Using the 'nv' driver on NV11 hardware, it's got enough Xv to do 
hardware scaling.
$ xvinfo 
X-Video Extension version 2.2
screen #0
  Adaptor #0: "NV Video Overlay"
    number of ports: 1
    port base: 61
    operations supported: PutImage 
    supported visuals:
      depth 16, visualID 0x23
      depth 16, visualID 0x24
      depth 16, visualID 0x25
      depth 16, visualID 0x26
      depth 16, visualID 0x27
      depth 16, visualID 0x28
      depth 16, visualID 0x29
      depth 16, visualID 0x2a
    number of attributes: 9
      "XV_DOUBLE_BUFFER" (range 0 to 1)
              client settable attribute
              client gettable attribute (current value is 1)
      "XV_COLORKEY" (range 0 to 16777215)
              client settable attribute
              client gettable attribute (current value is 4096)
      "XV_SATURATION" (range 0 to 8191)
              client settable attribute
              client gettable attribute (current value is 4096)
      "XV_HUE" (range 0 to 360)
              client settable attribute
              client gettable attribute (current value is 0)
      "XV_ITURBT_709" (range 0 to 1)
              client settable attribute
              client gettable attribute (current value is 0)
    maximum XvImage size: 2046 x 2046
    Number of image formats: 4
      id: 0x32595559 (YUY2)
        guid: 59555932-0000-0010-8000-00aa00389b71
        bits per pixel: 16
        number of planes: 1
        type: YUV (packed)
      id: 0x32315659 (YV12)
        guid: 59563132-0000-0010-8000-00aa00389b71
        bits per pixel: 12
        number of planes: 3
        type: YUV (planar)
      id: 0x59565955 (UYVY)
        guid: 55595659-0000-0010-8000-00aa00389b71
        bits per pixel: 16
        number of planes: 1
        type: YUV (packed)
      id: 0x30323449 (I420)
        guid: 49343230-0000-0010-8000-00aa00389b71
        bits per pixel: 12
        number of planes: 3
        type: YUV (planar)

> Does it have at least rudimentary Xvideo support?  (hardware scaling of YUV
> surfaces?)
> 
> If you don't play games, then rudimentary Xv support is about all you need.
> 
> I recall seeing somewhere that the Xbox Linux distributions had Xvideo support,
> which implies that it exists in the open-source versions.  (Since the binary
> drivers don't support the Xbox NV chip.)
> 
> 
> 
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