I have an FLV I took from the web and using RichFLV or FLVPlayer, it plays fine. Supposedly, it has 53 minutes, but the seconds go by way faster than that.
I used FLVExtract and have a video (avi) of 53m and an audio (mp3) of 35m. If I play the AVI using VLC, it looks like it's in slow motion...
In my opinion, this should be a 35 minutes video, so I want to know if there's a way to reencode this AVI (VP6F) video into a 35 minutes MPEG or AVI (in fact anything that can be reencoded).
For your information, I tried all the guides on this site and all the tools suggested (Super, FLVExtract, WFW stuff, VirtualDubMod, Total Video Encoder, etc).
I'm out of ideas now :P
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It seems the AVI version has 2/3 the framerate of the FLV one.
Additional help attempts require more detailed information.
They both say 15.873 fps, but when I load the extracted AVI in VirtualDubMod and the audio stream without interleaving, offset and cutoff, and go to Framerate, I have No Change (15.873) and Change so video and audio duration match (23.988).
I selected the later and now the video and audio is sync at the beginning, but at the end, it's not by about 1 sec.
This is the only file I have like that. I think it's the file that has a problem. The other of the same serie are all OK and synced until the end.
Thanks I will try both and update you with the outcome.
Well... I realized that the problem is not with VirtualDub or AVIDemux (which has problems with FLV video), it's with BatchDPG (which uses ffmpeg) to convert the FLV (VP6F) to .dgp (Mpeg video + MP2 audio).
The video coming out of VirtualDubMod is in sync, but once I convert it to DPG, somewhere along the play, it's out of sync. Not everywhere in the movie, though.
I tried AVIDemux to convert the VP6F video and MP3 audio to MPG + MP3 and it crashes or tells me the formats are not compatible.
So my current workflow is this. It's not perfect, but I consider it does the job :
1- FLV Extract A/V (2-3 mins)
2- Join A/V with VirtualDubMod (remove interleaving and synch FPS) (1 mins)
3- BatchDPG encodes to DPG (around 45mins)
If you have something simpler/faster for converting a FLV VP6F/MP3 to DPG, I'm open to suggestion