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    FLV FFMpeg problems  
Mart Gordon


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05-26-05 10:49 PM

We are having problems converting FLVs that have been recorded from
webcam to FCS to Mpegs using FFMpeg. Does anyone know of any issues
regarding this.

Thanks

Mart Gordon

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    Re: FLV FFMpeg problems  
Fabio Sonnati


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05-26-05 10:49 PM

Yes,
FFMPEG doesn't convert audio in FLV recorded with FCS
this is because FLV uses a proprietary algorithm for audio (Nelly Moser)
Try with option -an, this exclude the audio in the conversion
process of ffmpeg, the video will be converted for sure.

Nowadays there are only a few complex way to convert
an FCS recorded FLV in MPEG, like using a screen grabber,
or other methods.


----- Original Message -----
From: "Mart Gordon" <mgordon-FpEJLV8oj+BSljaRc5+PrA@public.gmane.org>
To: "FlashComm Mailing List" <flashcomm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@pub
lic.gmane.org>
Sent: Thursday, May 26, 2005 4:07 PM
Subject: [FlashComm] FLV FFMpeg problems


> We are having problems converting FLVs that have been recorded from
> webcam to FCS to Mpegs using FFMpeg. Does anyone know of any issues
> regarding this.
>
> Thanks
>
> Mart Gordon
>
> =-----------------------------------------------------------
> 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
>

=-----------------------------------------------------------
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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    Re: FLV FFMpeg problems  
Mart Gordon


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05-26-05 10:49 PM

Thanks Fabio,

That raises a question as to whether FCS recorded FLVs can be forced to
use something like Ogg for the audio?

Mart



Fabio Sonnati wrote:

> Yes,
> FFMPEG doesn't convert audio in FLV recorded with FCS
> this is because FLV uses a proprietary algorithm for audio (Nelly Moser)
> Try with option -an, this exclude the audio in the conversion
> process of ffmpeg, the video will be converted for sure.
>
> Nowadays there are only a few complex way to convert
> an FCS recorded FLV in MPEG, like using a screen grabber,
> or other methods.
>
>
> ----- Original Message ----- From: "Mart Gordon"
> <mgordon-FpEJLV8oj+BSljaRc5+PrA@public.gmane.org>
> To: "FlashComm Mailing List" <flashcomm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@p
ublic.gmane.org>
> Sent: Thursday, May 26, 2005 4:07 PM
> Subject: [FlashComm] FLV FFMpeg problems
>
> 
>
> =-----------------------------------------------------------
> 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
>

=-----------------------------------------------------------
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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    RE: FLV FFMpeg problems  
David Simmons


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05-26-05 10:49 PM

FCS doesn't do any encoding, it just records (saves) the audio/video
stream to disk.

The Flash player supports Nelly Moser encoding only.  For playback, it
supports Nelly Moser, MP3 and a few others I forget off the top of my
head - they are the same as the options for saving audio in Flash.

So if you want to get some format other than Nelly Moser audio, you need
to use a different tool such as Squeeze, FFMPEG, etc. to create the FLV.

I don't know of any solutions to encode and stream live in a different
format.

Hope this makes sense,

- 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 Mart
Gordon
Sent: Thursday, May 26, 2005 7:46 AM
To: FlashComm Mailing List
Subject: Re: [FlashComm] FLV FFMpeg problems

Thanks Fabio,

That raises a question as to whether FCS recorded FLVs can be forced to=20
use something like Ogg for the audio?

Mart



Fabio Sonnati wrote:

> Yes,
> FFMPEG doesn't convert audio in FLV recorded with FCS
> this is because FLV uses a proprietary algorithm for audio (Nelly
Moser)
> Try with option -an, this exclude the audio in the conversion
> process of ffmpeg, the video will be converted for sure.
>
> Nowadays there are only a few complex way to convert
> an FCS recorded FLV in MPEG, like using a screen grabber,
> or other methods.
>
>
> ----- Original Message ----- From: "Mart Gordon"=20
> <mgordon-FpEJLV8oj+BSljaRc5+PrA@public.gmane.org>
> To: "FlashComm Mailing List" <flashcomm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@p
ublic.gmane.org>
> Sent: Thursday, May 26, 2005 4:07 PM
> Subject: [FlashComm] FLV FFMpeg problems
>
> 
>
> =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
>

=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






[ Post a follow-up to this message ]



    Re: FLV FFMpeg problems  
Mart Gordon


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05-27-05 07:45 AM

Thanks David, what I really want to know is, is there any server
software that can convert FLV to MPEG on the fly?


I'd like to get some recommendations on this.

Regards

Mart

=-----------------------------------------------------------
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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