LEAD MKV Media Source

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LEAD's MKV Media Source can be used to play files based on the open source Matroska (MKV) File Format.

WebM is a new multimedia format sponsored by Google, among other companies, for use with HTML5 video. The WebM format was developed with the goal of creating a completely open and free multimedia streaming format designed for use over the internet. WebM is encapsulated as a Matroska file using a VP8 codec for video and a Vorbis codec for audio..Both VP8 and Vorbis are based on free and open standards and by using the WebM format, developers can possibly eliminate the potential third party patent issues associated with some of the other streaming technologies, such as H.264 and MPEG4.

MKV files are very popular as file exchange formats for large (over 4GB) video files. The LEAD MKV Media Source does not support every video and audio compression. The following compressions are supported:

H264
MPEG-2
MPEG-4
RV10, RV20 (Real Video H263 based)
RV30, RV40 (Real Video proprietary)
Snow
Theora
VP8

Supported audio compressions:

AAC
AC3
ATRC (Real Audio)
COOK (Real Audio G2)
DNET (Real AC3)
DTS
FLAC
MPEG Layer 3
MPEG-1
PCM uncompressed audio
SIPR (Real Audio SIPR)
TTA
Vorbis

Transform Interfaces	N/A
Interface IDs	N/A
Input Media Types	Type: MEDIATYPE_Stream Subtype: MEDIASUBTYPE_MKV
Output Media Types	Video Type: MEDIATYPE_Video Subtypes: MEDIASUBTYPE_VP8 MEDIASUBTYPE_MPEG2_VIDEO MEDIASUBTYPE_LISO MEDIASUBTYPE_LMPG2 MEDIASUBTYPE_H264 Audio Type: MEDIATYPE_Audio Subtypes: MEDIASUBTYPE_Vorbis MEDIASUBTYPE_AC3 MEDIASUBTYPE_MPEG1Audio MEDIASUBTYPE_PCM
Transform CLSID	N/A
Property Page CLSID	N/A
Executable	LMMFMkvSource.dll
Media Source ByteStream Handlers	CLSID_MFMKVByteStreamHandler
Header	ILMMFMkvSource.h

Platforms

Win 32, x64