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| Brandon_Krakowsky-t6Q6IArRIhmxKhIkFyZ7poFTLv+w 2005-11-01, 5:46 pm |
| Any thoughts on Riva Encoder vs. Sorenson Squeeze? I'm mainly concerned
with the final size/quality of flv.
Thanks,
Brandon
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| Fabio Sonnati 2005-11-01, 5:46 pm |
| Riva uses FFMPEG.
I love FFMPEG. its superfast (expecially compared to Sorenson),
I think that it produces better quality FLV but this is objectable
and it's free. What you want more?
In FFMPEG you can freely set:
Framerate
Keyframe distance
"Typical" bitrate, "Max" and "Min" bitrate
Max an Min Macroblock Quantitazion (that is picture quality)
1 or 2 pass encoding.
Furthermore, it reconvert FlashCom recorded FLV (only the video track,
audio must be leave untouched).
I'm preparing a FFMPEG bestpractice to publish in my blog
Fabio Sonnati
http://flashvideo.progettosinergia.com
----- Original Message -----
From: <Brandon_Krakowsky-t6Q6IArRIhmxKhIkFyZ7poFTLv+wk40W@public.gmane.org>
To: "FlashComm Mailing List" <flashcomm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org>
Cc: <flashcomm-bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org>
Sent: Tuesday, November 01, 2005 3:45 PM
Subject: [FlashComm] conversion to flv
> Any thoughts on Riva Encoder vs. Sorenson Squeeze? I'm mainly concerned
> with the final size/quality of flv.
>
> Thanks,
> Brandon
>
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> To change your subscription options or search the archive:
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| |
| Sean K. Moran 2005-11-01, 5:46 pm |
|
Apart from the lack of on2 vp6, I have been VERY interested in FFMPEG
to do server-side encoding ala Google Video and ClipShack. I have had
issues in functionality like generating thumbnails and other features
as the CVS version on my powerbook works, but the CVS version on my
ISP's server cluster will not work...urgh.
Please consider a few lines on recommended compile options for
ffmpeg, if that is along the lines of the article. Look forward to it!
Sean
On Nov 1, 2005, at 8:29 AM, Fabio Sonnati wrote:
>
> Riva uses FFMPEG.
> I love FFMPEG. its superfast (expecially compared to Sorenson),
> I think that it produces better quality FLV but this is objectable
> and it's free. What you want more?
>
> In FFMPEG you can freely set:
> Framerate
> Keyframe distance
> "Typical" bitrate, "Max" and "Min" bitrate
> Max an Min Macroblock Quantitazion (that is picture quality)
> 1 or 2 pass encoding.
> Furthermore, it reconvert FlashCom recorded FLV (only the video track,
> audio must be leave untouched).
> I'm preparing a FFMPEG bestpractice to publish in my blog
>
>
> Fabio Sonnati http://flashvideo.progettosinergia.com
>
>
> ----- Original Message ----- From:
> <Brandon_Krakowsky-t6Q6IArRIhmxKhIkFyZ7poFTLv+wk40W@public.gmane.org>
> To: "FlashComm Mailing List" <flashcomm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org>
> Cc: <flashcomm-bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org>
> Sent: Tuesday, November 01, 2005 3:45 PM
> Subject: [FlashComm] conversion to flv
>
>
>
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> =-----------------------------------------------------------
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| |
| Frédéric v. Bochmann 2005-11-01, 5:46 pm |
| Hey Sean and Fabio,
Can't wait to see your list of FFMPEG best practices Fabio, and Sean =
I've
been looking into this avenue myself, I can't say I can recreate the =
problem
you're having, try to compile it with the same options as you have on =
your
powerbook. You can see the options FFMPEG has been compiled with when =
you
run it (It's the first lines that are outputted in the stdout). Also =
don=92t
forget to compile it with LAME support for audio to work with the FLV
format.=20
On the topic of FLV seeking ala Google I've been writing a bit on my =
Blog
about two potential techniques that could be used for those needs, after
testing those techniques, I also give my conclusion on the best option. =
I
have no code to give out yet, but it's easy for anyone to recreate  I =
will
clean my code and release it too with time. =
http://flashforever.blogspot.com
And naturally constructive input is very welcome!
Cheers
Fredz./
-----Original Message-----
From: flashcomm-bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org
[mailto:flashcomm-bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org] On Behalf Of Sean K. =
Moran
Sent: November 1, 2005 10:55 AM
To: FlashComm Mailing List
Subject: Re: [FlashComm] conversion to flv
Apart from the lack of on2 vp6, I have been VERY interested in FFMPEG =20
to do server-side encoding ala Google Video and ClipShack. I have had =20
issues in functionality like generating thumbnails and other features =20
as the CVS version on my powerbook works, but the CVS version on my =20
ISP's server cluster will not work...urgh.
Please consider a few lines on recommended compile options for =20
ffmpeg, if that is along the lines of the article. Look forward to it!
Sean
On Nov 1, 2005, at 8:29 AM, Fabio Sonnati wrote:
>
> Riva uses FFMPEG.
> I love FFMPEG. its superfast (expecially compared to Sorenson),
> I think that it produces better quality FLV but this is objectable
> and it's free. What you want more?
>
> In FFMPEG you can freely set:
> Framerate
> Keyframe distance
> "Typical" bitrate, "Max" and "Min" bitrate
> Max an Min Macroblock Quantitazion (that is picture quality)
> 1 or 2 pass encoding.
> Furthermore, it reconvert FlashCom recorded FLV (only the video track,
> audio must be leave untouched).
> I'm preparing a FFMPEG bestpractice to publish in my blog
>
>
> Fabio Sonnati http://flashvideo.progettosinergia.com
>
>
> ----- Original Message ----- From: =20
> <Brandon_Krakowsky-t6Q6IArRIhmxKhIkFyZ7poFTLv+wk40W@public.gmane.org>
> To: "FlashComm Mailing List" <flashcomm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org>
> Cc: <flashcomm-bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org>
> Sent: Tuesday, November 01, 2005 3:45 PM
> Subject: [FlashComm] conversion to flv
>
>
>
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| |
| Sean K.Moran 2005-11-01, 5:46 pm |
|
This is a bit OT but maybe someone can help me on it.
I have lame compiled. I have recompiled from the latest ffmpeg cvs
with lame. I tried adding faac and xvid, but had issues there.
I noticed that our linux build on the server is missing lame, but
honestly right now i am just trying to spit out some thumbnails. This
will work, but only if the time is set to 0.
ffmpeg -an -y -t 0:0:0.001 -ss 00:00:00 -i test.mpg -s 64x48 -f
image2 thumb-sm.jpg
If i try to change the -ss to a time like 12 sec, I get nothing but
errors.
Any ideas?
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| |
| Sean K. Moran 2005-11-01, 5:46 pm |
|
Well this was supposed to include some on the flv part of the
encoding too...oops. Hit send a bit early.
Anyone have some good flv ffmpeg settings for this too?
Thanks,
sean
On Nov 1, 2005, at 11:58 AM, Sean K.Moran wrote:
>
> This is a bit OT but maybe someone can help me on it.
>
> I have lame compiled. I have recompiled from the latest ffmpeg cvs
> with lame. I tried adding faac and xvid, but had issues there.
>
> I noticed that our linux build on the server is missing lame, but
> honestly right now i am just trying to spit out some thumbnails.
> This will work, but only if the time is set to 0.
>
> ffmpeg -an -y -t 0:0:0.001 -ss 00:00:00 -i test.mpg -s 64x48 -f
> image2 thumb-sm.jpg
>
> If i try to change the -ss to a time like 12 sec, I get nothing but
> errors.
>
> Any ideas?
>
> =-----------------------------------------------------------
> 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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=-----------------------------------------------------------
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| |
| Stefan Richter 2005-11-01, 5:46 pm |
| I could never get the -ss option to work with several builds ffmpeg. I am on
Win.
> -----Original Message-----
> From: flashcomm-bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org [mailto:flashcomm-
> bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org] On Behalf Of Sean K.Moran
> Sent: 01 November 2005 18:58
> To: FlashComm Mailing List
> Subject: Re: [FlashComm] conversion to flv
>
>
> This is a bit OT but maybe someone can help me on it.
>
> I have lame compiled. I have recompiled from the latest ffmpeg cvs
> with lame. I tried adding faac and xvid, but had issues there.
>
> I noticed that our linux build on the server is missing lame, but
> honestly right now i am just trying to spit out some thumbnails. This
> will work, but only if the time is set to 0.
>
> ffmpeg -an -y -t 0:0:0.001 -ss 00:00:00 -i test.mpg -s 64x48 -f
> image2 thumb-sm.jpg
>
> If i try to change the -ss to a time like 12 sec, I get nothing but
> errors.
>
> Any ideas?
>
> =-----------------------------------------------------------
> 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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=-----------------------------------------------------------
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| |
| Fabio Sonnati 2005-11-01, 5:46 pm |
| Effectively, -ss generates a lot of troubles in my experience
Fabio Sonnati
----- Original Message -----
From: "Stefan Richter" <stefan-fMeCE+ULXElEfu+5ix1nRw@public.gmane.org>
To: "'FlashComm Mailing List'" <flashcomm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org>
Sent: Tuesday, November 01, 2005 8:09 PM
Subject: RE: [FlashComm] conversion to flv
>I could never get the -ss option to work with several builds ffmpeg. I am
>on
> Win.
>
>
>
>
>
>
> =-----------------------------------------------------------
> 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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| |
| Sean Moran 2005-11-01, 5:46 pm |
|
So any ideas on how to generate thumbs every 4 sec or so?
On Nov 1, 2005, at 12:59 PM, Fabio Sonnati wrote:
[vbcol=seagreen]
>
> Effectively, -ss generates a lot of troubles in my experience
>
> Fabio Sonnati
>
>
> ----- Original Message ----- From: "Stefan Richter"
> <stefan-fMeCE+ULXElEfu+5ix1nRw@public.gmane.org>
> To: "'FlashComm Mailing List'" <flashcomm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org>
> Sent: Tuesday, November 01, 2005 8:09 PM
> Subject: RE: [FlashComm] conversion to flv
>
>
>
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=-----------------------------------------------------------
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| |
| Frédéric v. Bochmann 2005-11-01, 5:46 pm |
| Try: -ss 00:00:00.012 for the 12th frame or -ss 00:00:12.000 for the 12th
second.
Don't know why but it seems FFMPEG's timestamp format goes like that.
Lemme know if that works.
-----Original Message-----
From: flashcomm-bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org
[mailto:flashcomm-bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org] On Behalf Of Stefan Richter
Sent: November 1, 2005 2:10 PM
To: 'FlashComm Mailing List'
Subject: RE: [FlashComm] conversion to flv
I could never get the -ss option to work with several builds ffmpeg. I am on
Win.
> -----Original Message-----
> From: flashcomm-bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org [mailto:flashcomm-
> bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org] On Behalf Of Sean K.Moran
> Sent: 01 November 2005 18:58
> To: FlashComm Mailing List
> Subject: Re: [FlashComm] conversion to flv
>
>
> This is a bit OT but maybe someone can help me on it.
>
> I have lame compiled. I have recompiled from the latest ffmpeg cvs
> with lame. I tried adding faac and xvid, but had issues there.
>
> I noticed that our linux build on the server is missing lame, but
> honestly right now i am just trying to spit out some thumbnails. This
> will work, but only if the time is set to 0.
>
> ffmpeg -an -y -t 0:0:0.001 -ss 00:00:00 -i test.mpg -s 64x48 -f
> image2 thumb-sm.jpg
>
> If i try to change the -ss to a time like 12 sec, I get nothing but
> errors.
>
> Any ideas?
>
> =-----------------------------------------------------------
> 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
=-----------------------------------------------------------
Supported by Fig Leaf Software - http://www.figleaf.com
=-----------------------------------------------------------
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| |
| Frédéric v. Bochmann 2005-11-01, 8:45 pm |
| Burak said:
"We will have a beta version of FLVMDI, that adds lists to metadata for
keyframe times and file positions, in less than 24 hours."
Having this would be very interesting and practical to have.
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| |
| Burak KALAYCI 2005-11-01, 8:45 pm |
| Hi Fr=E9d=E9ric,
> Having this would be very interesting and practical to have.
I just need a few more hours, the executable is ready (It's a beta=20
afterall). I need to find time to document it some and upload.
Best regards,
Burak
www.asvvguy.com
Burak KALAYCI, Manitu Group
http://www.buraks.com
http://www.manitugroup.com
----- Original Message -----=20
From: "Fr=E9d=E9ric v. Bochmann" <fredericbochmann-rieW9WUcm8FFJ04o6PK0Fg@public.gmane.org>
To: "'FlashComm Mailing List'" <flashcomm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org>
Sent: Wednesday, November 02, 2005 01:53 AM
Subject: RE: [FlashComm] conversion to flv
> Burak said:
>
> "We will have a beta version of FLVMDI, that adds lists to metadata for
> keyframe times and file positions, in less than 24 hours."
>
> Having this would be very interesting and practical to have.
>=20
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| |
| Sean K. Moran 2005-11-02, 2:45 am |
| I have tried both of those with no luck. This is with CVS compiled =20
today.
I always get:
Seems that stream 0 comes from film source: 30.00 (30030/1001) -> =20
30.00 (30/1)
Input #0, mpegvideo, from 'test.mpg':
Duration: 00:00:08.9, start: 0.000000, bitrate: 4615 kb/s
Stream #0.0, 30.00 fps: Video: mpeg1video, yuv420p, 512x512, 4608 =20
kb/s
Output #0, image2, to 'thumb-large.jpg':
Stream #0.0, nan fps: Video: mjpeg, yuvj420p, 100x74, q=3D2-31, =20
200 kb/s
Stream mapping:
Stream #0.0 -> #0.0
Press [q] to stop encoding
frame=3D 0 q=3D0.0 Lsize=3D 0kB time=3D10000000000.0 bitrate=3D =
=20
0.0kbits/s
video:0kB audio:0kB global headers:0kB muxing overhead nan%
That last line --- 0kb ain't good.
;)
On Nov 1, 2005, at 3:15 PM, Fr=E9d=E9ric v. Bochmann wrote:
> -ss 00:00:00.012
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| |
| Brandon_Krakowsky-t6Q6IArRIhmxKhIkFyZ7poFTLv+w 2005-11-02, 5:45 pm |
| Yeah, I use Riva for all of those reasons. Just wasn't sure if I should
be using something else.
Thanks again,
Brandon
"Fabio Sonnati" <sonnati-6XAXFxi7MR1y6ZJYwPuT2FaTQe2KTcn/@public.gmane.org>
Sent by: flashcomm-bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org
11/01/2005 10:29 AM
Please respond to
FlashComm Mailing List <flashcomm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org>
To
"FlashComm Mailing List" <flashcomm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org>
cc
Subject
Re: [FlashComm] conversion to flv
Riva uses FFMPEG.
I love FFMPEG. its superfast (expecially compared to Sorenson),
I think that it produces better quality FLV but this is objectable
and it's free. What you want more?
In FFMPEG you can freely set:
Framerate
Keyframe distance
"Typical" bitrate, "Max" and "Min" bitrate
Max an Min Macroblock Quantitazion (that is picture quality)
1 or 2 pass encoding.
Furthermore, it reconvert FlashCom recorded FLV (only the video track,
audio must be leave untouched).
I'm preparing a FFMPEG bestpractice to publish in my blog
Fabio Sonnati
http://flashvideo.progettosinergia.com
----- Original Message -----
From: <Brandon_Krakowsky-t6Q6IArRIhmxKhIkFyZ7poFTLv+wk40W@public.gmane.org>
To: "FlashComm Mailing List" <flashcomm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org>
Cc: <flashcomm-bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org>
Sent: Tuesday, November 01, 2005 3:45 PM
Subject: [FlashComm] conversion to flv
> Any thoughts on Riva Encoder vs. Sorenson Squeeze? I'm mainly concerned
> with the final size/quality of flv.
>
> Thanks,
> Brandon
>
> =-----------------------------------------------------------
> 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
=-----------------------------------------------------------
Supported by Fig Leaf Software - http://www.figleaf.com
=-----------------------------------------------------------
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| |
| Naicu Octavian 2005-11-02, 5:45 pm |
| Just a small question here: FFMEPG can't encode yet
flv's using the On2 VP6 codec can it?! 
--- Brandon_Krakowsky-t6Q6IArRIhmxKhIkFyZ7poFTLv+wk40W@public.gmane.org wrote:
> Yeah, I use Riva for all of those reasons. Just
> wasn't sure if I should=20
> be using something else.
>=20
> Thanks again,
> Brandon
>=20
>=20
>=20
>=20
> "Fabio Sonnati" <sonnati-6XAXFxi7MR1y6ZJYwPuT2FaTQe2KTcn/@public.gmane.org>=20
> Sent by: flashcomm-bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org
> 11/01/2005 10:29 AM
> Please respond to
> FlashComm Mailing List
> <flashcomm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org>
>=20
>=20
> To
> "FlashComm Mailing List"
> <flashcomm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org>
> cc
>=20
> Subject
> Re: [FlashComm] conversion to flv
>=20
>=20
>=20
>=20
>=20
>=20
> Riva uses FFMPEG.
> I love FFMPEG. its superfast (expecially compared to
> Sorenson),
> I think that it produces better quality FLV but this
> is objectable
> and it's free. What you want more?
>=20
> In FFMPEG you can freely set:
> Framerate
> Keyframe distance
> "Typical" bitrate, "Max" and "Min" bitrate
> Max an Min Macroblock Quantitazion (that is picture
> quality)
> 1 or 2 pass encoding.
> Furthermore, it reconvert FlashCom recorded FLV
> (only the video track,
> audio must be leave untouched).
> I'm preparing a FFMPEG bestpractice to publish in my
> blog
>=20
>=20
> Fabio Sonnati=20
> http://flashvideo.progettosinergia.com
>=20
>=20
> ----- Original Message -----=20
> From: <Brandon_Krakowsky-t6Q6IArRIhmxKhIkFyZ7poFTLv+wk40W@public.gmane.org>
> To: "FlashComm Mailing List"
> <flashcomm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org>
> Cc: <flashcomm-bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org>
> Sent: Tuesday, November 01, 2005 3:45 PM
> Subject: [FlashComm] conversion to flv
>=20
>=20
> I'm mainly concerned=20
>=20
>
=3D-----------------------------------------------------------
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| Sean Moran 2005-11-02, 8:45 pm |
|
NO, and it prob never will. Well, maybe in 10 years when On2 decides
to release it or something.
Or someone reverse-engineers it or something.
On Nov 2, 2005, at 3:23 PM, Naicu Octavian wrote:
>
> Just a small question here: FFMEPG can't encode yet
> flv's using the On2 VP6 codec can it?!
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| Naicu Octavian 2005-11-03, 5:45 pm |
| ....and Flix Engine runs only on Windows.. (
Sean Moran <sean-mzx94KdJ7Zk@public.gmane.org> wrote:
NO, and it prob never will. Well, maybe in 10 years when On2 decides=20
to release it or something.
Or someone reverse-engineers it or something.
On Nov 2, 2005, at 3:23 PM, Naicu Octavian wrote:
>
> Just a small question here: FFMEPG can't encode yet
> flv's using the On2 VP6 codec can it?!
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| Sean K. Moran 2005-11-03, 5:45 pm |
|
Yes, I know. We will prob get a dedicated On2 box in the next few
months. We are watching the clients and have noticed about 35% on FP8
so far. We also have some clients that just want the new codec
because of the quality and bandwidth reductions.
Sean
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| Leonardo Scattola 2005-12-20, 2:45 am |
| Brandon_Krakowsky-t6Q6IArRIhmxKhIkFyZ7poFTLv+wk40W@public.gmane.org ha scritto:
> Yeah, I use Riva for all of those reasons. Just wasn't sure if I should
> be using something else.
Hi everybody!
I'm trying to use mencoder (which, as far as I know, is based on the
same architecture as ffmpeg).
I've discovered a couple of settings which are giving good results... I
will stick on them for a couple of days, but I think some of them may
need a bit of adjustment.
As for the metadata, I am using Burak's great tool, but I can't wait to
grab a copy of flvmdi for Linux :D
You must install mencoder and the codec package (google for it).
This is the command line I'm using:
mencoder -of lavf -ffourcc FLV1 -ovc lavc -oac lavc -vf scale=320:200
-lavcopts vcodec=flv:acodec=mp3:abitrate=64:vbitra
te=300 "input-file" -o
"output-file.flv"
flvmdi "output-file.flv"
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