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Home > Archive > Macromedia Flash Server > June 2005 > combining prerecorded audio and video
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combining prerecorded audio and video
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| Rodrigo Caamano 2005-06-28, 2:49 am |
| I have a pre-recorded audio file(in flv format) and a pre-recorded flv vi=
deo-only file, and I want to combine the two into one file using flashcom=
m, is that possible? I need the two files to be completely synchronized, =
that's the reason why I want to combine the two files into one. That way=
I will deal with only one stream and do not have to worry about synching=
two streams (which I believe is not possible.)
=20
Thanks,
=20
--=20
Rodrigo Caamano
=3D-----------------------------------------------------------
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=3D-----------------------------------------------------------
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| David Simmons 2005-06-28, 5:45 pm |
| Hi Rodrigo -
I don't know of any utility that will do what you want.
If you have a need to do this regularly, and can do some C/C++
programming, it's technically not too difficult. Basically you need a
program to read the two FLV files, and put the audio/video packets
together into a new file in the proper order based on the packet
timestamps. If one file is only audio, and the other only video, there
would be no conflicts and the resulting file should play fine.
The FLV file format is documented somewhere on the Macromedia site, and
the FFMPEG code that reads and writes it is also available to study.
You won't need to do any decoding or encoding, just shuffling of the
data packets.
I'm not sure if it's worth the time and effort, however, to write a
program like that if you only want to use it once.
- Dave Simmons
Macromedia Engineering
-----Original Message-----
From: flashcomm-bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org
[mailto:flashcomm-bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org] On Behalf Of Rodrigo
Caamano
Sent: Monday, June 27, 2005 7:46 PM
To: flashcomm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org
Subject: [FlashComm] combining prerecorded audio and video
I have a pre-recorded audio file(in flv format) and a pre-recorded flv
video-only file, and I want to combine the two into one file using
flashcomm, is that possible? I need the two files to be completely
synchronized, that's the reason why I want to combine the two files
into one. That way I will deal with only one stream and do not have to
worry about synching two streams (which I believe is not possible.)
=20
Thanks,
=20
--=20
Rodrigo Caamano
=3D-----------------------------------------------------------
Supported by Fig Leaf Software - http://www.figleaf.com
=3D-----------------------------------------------------------
To change your subscription options or search the archive:
http://chattyfig.figleaf.com/mailman/listinfo/flashcomm
=-----------------------------------------------------------
Supported by Fig Leaf Software - http://www.figleaf.com
=-----------------------------------------------------------
To change your subscription options or search the archive:
http://chattyfig.figleaf.com/mailman/listinfo/flashcomm
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