>Mark Taylor wrote:
> what's a Windows ACM?
>>Audio Compression Manager driver. (VCM=Video...) It provides native support from
MS-Windows OS calls to the codec. Any audio application would be able to
open/play & save/encoder MP3 files just as if they were PCM WAV files. The
application doesn't know any difference. You can use MP3's for Windows desktop
themes/sound events etc.
>>Microsoft Media Player installs a "Decode Only" FHG MP3 ACM driver, among others.
>>Ross.
Let me add some info:
The Windows default mp3 codec actually also encodes, but only up to 56k, which is very
bad quality.
DirectXmedia or DirectShow or DirectMedia (names for the same thing) is Microsoft's
general platform for media applications. They seem to have invested a huge amout of
work into it and I guess the future impact of this is widely underestimated.
Microsoft's website is a jungle and It took me 3 hrs of search to pin down the SDK
(Software Developers Kit), mainly because their own naming of their technologies is
quite inconsistent. Here the links:
DirectShow general information:
http://www.microsoft.com/directx/dxm/help/ds/
http://www.microsoft.com/DirectX/dxm/help/ds/c-frame.htm#default.htm
DirectXmedia Software developers kit (SDK sources and test apps in c++, freely
available, 23 MB of tools):
http://www.microsoft.com/msdownload/platformsdk/DXMedia.htm
http://download.microsoft.com/msdownload/platformsdk/i386/iDXMEDIA.Exe
The SDK also contains the Filter Graph Manager, a cute little app that lets you
graphically design a chain of filters on screen, like file reader, compressors,
multiplexers, players, file writers, and build new multimedia applications this way.
Overview of MS platform SDKs:
http://www.microsoft.com/msdownload/platformsdk/combos.htm
Regards
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