WMA and MP3 Streaming (Windows Embedded CE 6.0)

1/6/2010

This Catalog item provides support for playing Windows Media Audio (.wma) or MP3 files from a streaming source. It also has the ability to play back from local storage such as system memory or Compact Flash memory. This is an audio-only item and does not provide any video playback capabilities. It is suitable for use on headless devices. All media decoding is done through DirectShow filters.

Implementation Considerations

The following table shows the Sysgen variables for WMA and MP3 Streaming.

Sysgen variable	Description
SYSGEN_STREAMAUDIO	Set this Sysgen to add WMA and MP3 Streaming to your OS design.

Modules and Components

Instead of adding its own modules and components to your OS design, this Catalog item invokes a collection of other Catalog item. It is the modules and components from those Catalog items that are added to your OS design. The following table shows the Catalog items invoked by streaming media playback.

Catalog Item	Sysgen variable
MP3 Codec	SYSGEN_DSHOW_MP3
WMA Codec	SYSGEN_DSHOW_WMA
WMA Voice Codec	SYSGEN_DSHOW_WMA_VOICE
ASX v1 and M3U File Support	SYSGEN_DSHOW_WMT_ASXV1
ASX v2 File Support	SYSGEN_DSHOW_WMT_ASXV2
ASX v3 File Support	SYSGEN_DSHOW_WMT_ASXV3
NSC File Support	SYSGEN_DSHOW_WMT_NSC
Windows Media Streaming over HTTP	SYSGEN_DSHOW_WMT_HTTP
Windows Media Streaming over MMS	SYSGEN_DSHOW_WMT_MMS
Windows Media Multicast and Multi-Bit Rate	SYSGEN_DSHOW_WMT_MULTI
Windows Media Streaming from Local Storage	SYSGEN_DSHOW_WMT_LOCAL
Standard I/O ASCII	SYSGEN_STDIOA

Hardware Considerations

There are no special hardware considerations for this Catalog item.

Dependencies

This Catalog item is dependent on the Catalog items listed in the table above. The following table lists the additional Catalog item dependencies that most directly relate to this item's functionality. There are additional dependencies as well. For more information on determining the complete list of dependencies for this Catalog item, see Catalog Item Dependencies.

Catalog Item	Sysgen variable
ACM Wrapper Filter	SYSGEN_DSHOW_ACMWRAP
DirectShow Core	SYSGEN_DSHOW
DMO Wrapper Filter	SYSGEN_DSHOW_DMO
IP Helper API	SYSGEN_IPHLPAPI
Minimal GWES Configuration	SYSGEN_MINGWES
TCP/IP	SYSGEN_TCPIP
Waveform Audio	SYSGEN_AUDIO
Windows Media Technologies	SYSGEN_DSHOW_WMT
Winsock Support	SYSGEN_WINSOCK

See Also

Other Resources

Encoded Media