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F4V Questions
Ok, I’m a little confused, maybe someone could help, here’s the scenerio:
I’m running on FCP, outputting a video using QT conversion, using the x264 codec (which looks better than Apple’s h.264, tried x.264 it today, tested it, love it!) and with my .mov file, about 1 min long, it has audio, but my Flash Developer needs an .F4V file, so I changed the file extension to “.F4V”, and like the original file extension (.MOV) both play “with sound” in QuickTime, but they do not play any audio when imported into Adobe Media Player. I’ve not yet tried encoding an 8bit uncompressed test file into CS4’s Flash Encoder to output an .F4V, because I do not have it on this other computer at this other location, so I was trying to see if I could get this to work, but it has not.
Also, when I restrict the video bitrate to 512kps to output the .mov using QT Conversion, it’s data rate is now 2,071.94 kbit/sec when it is being played back, is this normal? Is it still streaming at 512kps?
Thanks to all who respond,
Tom Laughlin
Producer/Editor
Salt Lake City, UT
FCS3/Sony EX-3/Mac Intel -
25 Replies
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[Tom Laughlin] “so I changed the file extension to “.F4V”, and like the original file extension (.MOV) both play “with sound” in QuickTime, but they do not play any audio when imported into Adobe Media Player.”
You can’t always just change the extension (which is effectively saying I’m changing the wrapper or multiplexer of the x264 file from Quicktime to Flash). The reason it plays ok in Quicktime is because it’s still a Quicktime. You could probably change the extension to .PDF and it would still play in Quicktime player.
Bottom line is that you need to encode to .F4V
https://theflashblog.com/?p=748
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So, is there a best method to encode to .F4V? Are there any companies out there that would be examples of this, with their video encoded to .F4V and up on their websites? Other than Jan Ozer’s comments on hardware and software, does anyone know of a really good hardware or software solution for encoding to .F4V? I’m open to trying anything.
Thanks,
Tom Laughlin
Producer/Editor
Salt Lake City, UT
FCS3/Sony EX-3/Mac Intel -
Adobe Media Encoder, Rhozet Carbon Coder, Telestream Episode.
None of the above use x264 obviously.
Encode/transcode exactly as you would any H.264 file. It’s just a different wrapper (Container)
https://en.wikipedia.org/wiki/Container_format_(digital)
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Any Mac-based options?
Tom Laughlin
Producer/Editor
Salt Lake City, UT
FCS3/Sony EX-3/Mac Intel -
Adobe Media Encoder (part of CS4) and Episode run under OS X, and Carbon Coder runs nicely using virtualisation on Mac (Bootcamp, Paralles etc).
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Episode can use x264 although 2 pass encoding is not yet implemented.
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Hmmm, does Telestream officially support and promote that!?
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I’m sure MyCometG3 (noted x264 developer) has been in touch with Telestream. He contacted me when he was working at issues to get it working and apparently they were able to fix things.
They were also able to get it working in ScreenFlow and Telestream has a post about it on their official blog. Here’s the complete article with Craig Reed who did the testing with ScreenFlow
https://blogs.telestream.net/screenflow/2010/02/apple-h-264-vs-x264-in-screenflow-better-exports/So it does seem there’s communication. They have had anything equivalently public with Episode yet though. Here’ where it’s at at the moment.
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BTW Daniel is there any way I can contact you off list (Episode related)? I wish COW had a Private Message system.
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Obviously you understand the OSS licensing situation, and this is a grey area in this case as Episode is using the framework of QT, but if Telestream promote, officially support or include this component with Episode they are opening a big can of worms…. Beware.
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