LEAD SSF Writer

The LEAD SSF Writer can be used to create Microsoft Smooth Streaming video files (.ISMV files) based on the ISO/IEC 14496-12 ISO Base Media File Format described by JTC 1/SC 29. 

The LEAD SSF Format is the format created by Microsoft to create variable bitrate and resolution streaming video. See the LEAD ISO Demultiplexer page for more details on LEAD support of SSF streaming playback.

The LEAD SSF Writer does not support every video and audio compression. The following compressions are supported:

• WVC1 Windows VC-1 (Windows Media Video 9 Advanced Profile)

• WMA and WMA Professional require the Windows Media Audio 9 codec (DMO).

• Microsoft AAC.

• Microsoft H.264.

• LEAD H.264.

• LEAD AAC.

Filter Interfaces	ILMSsfWrt ILMSsfWrtAudioStream ILMSsfWrtVideoStream
Interface IDs	IID_ILMSsfWrt IID_ILMSsfWrtAudioStream IID_ILMSsfWrtVideoStream
Input Media Types	Video Type: MEDIATYPE_Video Subtypes: MEDIASUBTYPE_IYUV MEDIASUBTYPE_YUY2 MEDIASUBTYPE_UYVY MEDIASUBTYPE_I420 MEDIASUBTYPE_RGB32 MEDIASUBTYPE_RGB24 MEDIASUBTYPE_RGB565 MEDIASUBTYPE_RGB8 MEDIASUBTYPE_RGB555 MEDIASUBTYPE_AYUV MEDIASUBTYPE_YV12 Audio Type: MEDIATYPE_Audio Subtypes: MEDIASUBTYPE_PCM
Output Media Types	Type: MEDIATYPE_Stream Subtype: MEDIASUBTYPE_SSF
Filter CLSID	CLSID_LMSsfWrt
Property Page CLSID	N/A
Executable	LMSsfWrt.dll, DSKernel2.dll
Filter category	CLSID_LegacyAmFilterCategory
Header	ILMSsfWrt.h

Platforms

Win32, x64

See Also:

• Playing Smooth Streaming content in Silverlight

• Using the LEAD SSF Writer

This filter is included as part of the following modules:

• LEADTOOLS Video Streaming Module

• LEADTOOLS Multimedia Suite