[Live-devel] Questions for "testOnDemandRTSPServer"
Ross Finlayson
finlayson at live.com
Fri Jul 15 04:01:22 PDT 2005
>One simple question, does On Demand RTSP Server support commands like
>"Back-Forword", Fast-Forward, PAUSE, SEEK". I know currently the "Play" and
>"Stop" commands works.
"PAUSE" also works. (However, VLC currently doesn't always send the RTSP
"PAUSE" request when the 'pause' GUI button is clicked; I'm not sure why.)
However, the implementation of the other operations (seek, fast-forward,
reverse play) is necessarily media-type dependent, and they are not all
implemented for all media types. In particular, seeking is currently
implemented only for MPEG-1 or 2 audio (including MP3) and (although not
well) for MPEG-1 or 2 Program Streams. Fast forward is currently
implemented only for MPEG-1 or 2 audio (including MP3) and WAV (PCM)
audio. Reverse play is currently implemented only for WAV (PCM) audio.
These operations will likely be implemented for more media types in the
future, but for many media types, they are difficult to implement.
Ross Finlayson
LIVE.COM
<http://www.live.com/>
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