Re: Video Acceleration support on Wince

From: K. S. Huang (ks_huang_at_AlphaNetworks.com_remove.this)
Date: 12/30/04 

Date: Thu, 30 Dec 2004 14:31:50 +0800

For MPEG codec support, you may consider to implement a DirectShow Filter.

"Helic Lei" <leijs@amoi.com.cn> 级糶秎ン穝籇
:eKKpdRj7EHA.2540@TK2MSFTNGP09.phx.gbl...
> I have a driver with BitBlt and DDraw enabled, but I do not found any
> interface with Wince OS to use the HW caps like Mpeg2 and Mpeg4 decoding,
> such as IDCT, IZZ, MC etc.
>
> Regards
> Helic
>
> "K. S. Huang" <ks_huang@AlphaNetworks.com_remove.this> 写入消息新闻
:e2a$nLi7EHA.2124@TK2MSFTNGP14.phx.gbl...
> > Basic feature could be implemented by a regular GDI driver (BitBlt, Line
> > and
> > etc.), for advanced features,
> > you'll need to implement a DirectDraw Driver.
> > You could derived the GPE or DDGPE base clsss to implemet your display
> > driver.
> >

Relevant Pages

  • Re: Can mirror driver be used to take screen shots like PrintScreen?
    ... When you load a mirros driver, a mode change happens, and NtGdi creates ... Your mirror driver must provide at least a primary surface, ... If your driver does not support any DrvXXX calls besides BitBlt, ... > useful for a single screenshot taken on demand. ...
    (microsoft.public.development.device.drivers)
  • Video Driver Questions
    ... I am working with modifying the DDK Mirror Driver sample, ... BitBlt() to a compatable DC and then wrote the bitmap contents out to a file. ... to the mirror surface, even though it is hooking all rendering calls. ...
    (microsoft.public.development.device.drivers)
  • Re: Can mirror driver be used to take screen shots like PrintScreen?
    ... useful for a single screenshot taken on demand. ... standard GDI BitBlt. ... I think that the mirror driver might be useful in this ...
    (microsoft.public.development.device.drivers)
  • How to create a WDM driver for 1394 DCAM?
    ... I'm using an open source driver from Carnegie Mellon (CMU) to ... Now someone is telling me they need a WDM driver for the camera ... CMU device driver into a DirectShow filter? ...
    (microsoft.public.win32.programmer.directx.video)
  • Re: how to add a DirectShow filter in a driver package
    ... >>I want to add a DirectShow filter as an upper filter to a camera WDM ... That way, once the driver is installed, user can use any viewer to ... And if the camera asks for sending a stream in a custom FOURCC format, ...
    (microsoft.public.development.device.drivers)