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Old 26th April 2012, 18:15   #1  |  Link
Xirix
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Join Date: Jan 2006
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2 hour .flv file, sound not working

Not sure if anyone here will be able to help with this, but I thought I'd ask.

I have two .flv files that are about 2 hours long each, but both download with no audio for some reason. I've tried VLC, MPC with CCCP codecs, a couple .flv specific players, nothing. I'm unsure of what's going on.

The two videos in question are the two Pathfinder parts in this url.

http://blip.tv/the-spoony-experiment/rss

If you watch the video on blip, it's fine, downloading it with the filelink in the RSS, or with a video downloader, no audio.
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Old 26th April 2012, 20:44   #2  |  Link
sneaker_ger
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Players might not like the speex audio. You could extract the raw streams using FLV Extract, convert the audio to something usable using ffmpeg and then mux to e.g. mkv or mp4.
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Old 26th April 2012, 21:49   #3  |  Link
sneaker_ger
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Converting results in somehow b0rked files, but if all you want to do is to play them using e.g. MPC try the following:
ffmpeg -v quiet -i "Counter Monkey - Pathfinder Live! (Session 1, Part 1).flv" -vcodec copy -acodec libvorbis output_part1.mkv

/edit:
seemingly non-b0rked files:
1. extract using FLV Extract
2. ffmpeg -v quiet -i "Counter Monkey - Pathfinder Live! (Session 1, Part 1).flv" -vn part1.aac
3. muxer -i "Counter Monkey - Pathfinder Live! (Session 1, Part 1).h264"?fps=25 -i part1.aac?language=eng -o part1.mp4

"muxer.exe" is from L-Smash standalone.

Last edited by sneaker_ger; 26th April 2012 at 21:58.
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Old 7th May 2012, 20:55   #4  |  Link
sneaker_ger
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LAV now supports speex.
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