Another quick question to add to this. I have a theory that whoever created these FLVs just renamed MP4 files. I looked into the files with a text editor and the ones that work fine start with FLV headers with Adobe Media Encoder information. The videos that don't buffer correctly don't have FLV headers and end with information regarding final cut studio.
Could this cause the buffering issue?
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:
THanks, I saw this program shortly after I posted my query. Unfortunately that is used on MP4 files, not FLV files.
It seems that my theory was correct after comparing a few of the working files with non-working files. We are going to re-encode the FLVs correctly. Thanks!
Hey Ian, did you solve it re-enconding the FLVs? I am having the same issue. Thanks in advance!
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Yeah, it was solved after we re-encoded the non-working FLV files. Someone had just renamed some MP4 files so the headers were different and didn't buffer correctly with the player. Good luck!