[Live-devel] New LIVE55 version - supports streaming from Matroska (.mkv) files

[Ross Finlayson]

The latest version (2011.10.05) of the "LIVE555 Streaming Media" code supports RTSP/RTP streaming, on demand, from a Matroska ('.mkv') file.  The video, audio, and subtitle tracks (if any) within the file are demultiplexed and streamed separately, via RTP.  We currently support H.264 video, AAC, AC3 and MP3 audio, and text subtitles.  (Sometime in the future, we will also support WEBM ('.webm') Matroska files, with VP8 video and Vorbis audio.)

The "testOnDemandRTSPServer" demo application and the "LIVE555 Media Server" (currently, just the source-code version - not the prebuilt application binary versions) have also been updated to support streaming from '.mkv' files.

Notes:
- We currently support H.264 video tracks, MP3, AAC, and AC-3 audio tracks, and subtitle tracks.  (Any other tracks within a Matroska file will be ignored.)
- As noted above, VP8 video tracks and Vorbis audio tracks will be supported in the future.
- I hope to someday support other codecs as well, but first, I'll need examples of Matroska files that use these codecs.  If you have an example of a Matroska file that we don't currently support, then please post a link to it, and I'll take a look at it.
- We don't currently support seeking within the underlying  Matroska file (to implement RTSP seeking), but hope to do so in the future.


Ross Finlayson
Live Networks, Inc.
http://www.live555.com/

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