Question about how Video Bitrates works and streaming.

Discussion in 'Other video questions' started by antraxx99, Nov 21, 2009.

  1. antraxx99

    antraxx99 Member

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    Hi
    I'm trying to stream a movie from another computer over internet. I'm using smb to do a "live" stream. But one movie won't really work as intended. I'm writing a Example of two movies below.

    -------------------
    Movie 1:
    Type: Pal-Dvdr
    Duration: 1h 45min (6300 sec)
    FileSize: 4,5GB (4500MB)
    Streaming: Using WMP and Daemon-tools, transferring using smb.
    --------------------

    --------------------
    Movie 2:
    Type: brrip (bluray rip)
    Duration: 2h 33min (9180 sec)
    FileSize: 3,5GB (3500MB)
    Streaming: Using WMP, transferring using smb.
    --------------------

    --------------------
    Calculations:
    Movie 1: 4500/6300=0,71 MB/s
    Movie 2: 3500/9180=0,38 MB/s
    --------------------

    The problem is that Movie 2 is lagging and Movie 1 is working just perfect. And by my calculations it should be the other way around. Is there anything I'm missing?

    Is the bitrate fixed? I mean does 10 black frames have a lower bitrate than 10 frames with lots of colors? And does a Action movie have a higher bitrate than a "slow" movie? My broadband is at around 0,8 MB/s so by the calculations above both movie should run without any problem. So what could be the problem?
     
  2. jony218

    jony218 Guest

    I know for streaming over a LAN it is recommended that your hard drives holding your videos be setup using 64kb clusters. The default for most hard drives is 4kb clusters. The reason is faster transfer of data using the larger clusters.
    I'm not sure if this will affect streaming videos over the internet, but if you ruled out other problems, that might be something to look at.
    I have all mediapc's hard drives setup using the 64kb clusters, works great for large video files.
     

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