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Ian Kelleigh
Currently Being Moderated

FLVPlayback buffering entire FLV before playback

Jul 24, 2012 11:52 AM

I've been trying to help a company with their video playback. They are using the FLVPlayback component to play some FLV files and also use XML caption files.


For some reason some FLV videos are insisting on buffering the entire file before it begins to play. Then there are other FLVs that start playing just fine and buffer the remainder during playback.


I've tried updating their FLVPLayback component to the 2.5 version but I get the same results.


Could it have something to do with how the FLV files were created? I will suggest that they have all of the videos encoded again but I want to make sure that would actually effect the playback. I've never seen anything like this but honestly I usually make my own FLV player. But since they insist on using this component I am trying to work through it with them.



  • Currently Being Moderated
    Jul 24, 2012 3:09 PM   in reply to Ian Kelleigh

    Look into the MOOV ATOM issue. The behaviour you describe is typical of a video file with the movie atom placed at the end of the video file rather than the beginnning. When placed at the very end, the file will not progressive download but must be completely downloaded first.

    More info here:

    Best wishes,


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  • Currently Being Moderated
    Jun 25, 2013 10:08 AM   in reply to Ian Kelleigh

    Hey Ian, did you solve it re-enconding the FLVs? I am having the same issue. Thanks in advance!

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