Changes between Version 21 and Version 22 of StreamingGuide


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Timestamp:
Aug 20, 2012, 7:01:41 PM (4 years ago)
Author:
rogerdpack
Comment:

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  • StreamingGuide

    v21 v22  
    8585== Outputting files == 
    8686 
    87 FFmpeg supports splitting files (using "-f segment" for the output, see [http://ffmpeg.org/ffmpeg.html#segment_002c-stream_005fsegment_002c-ssegment segment muxer]) into time based chunks, useful for [http://en.wikipedia.org/wiki/HTTP_Live_Streaming HTTP live streaming] style file output. 
     87FFmpeg supports splitting files (using "-f segment" for the output, see [http://ffmpeg.org/ffmpeg.html#segment_002c-stream_005fsegment_002c-ssegment segment muxer]) into time based chunks, useful for [http://en.wikipedia.org/wiki/HTTP_Live_Streaming HTTP live streaming] style file output.  See also [http://stackoverflow.com/questions/12041077/ffmpeg-output-to-multiple-files-simultaneously this SO post]. 
    8888 
    8989== Transcoding/repeating == 
    9090 
    91 Ffmpeg can also receive from "some source" (for instance live or udp) and then transcode and re-broadcast the stream. 
     91Ffmpeg can also receive from "a source" (for instance live or udp) and then transcode and re-broadcast the stream. 
    9292 
    9393One mailing list user wrote this, quote: 
     
    123123 
    124124 'rtmp://<wowza server IP>/live/cam0' is where the transcoded video stream gets pushed to 
     125 
     126== variable bitrate == 
     127 
     128FFmpeg doesn't (today) support varying a bitrate based on changing network conditions.  It does support outputting in "different" bitrates, at the same time, however [http://stackoverflow.com/questions/12041077/ffmpeg-output-to-multiple-files-simultaneously see here], which is vaguely related.