Re: [CinCVS] render for you tube?

2007-03-14 Thread IL'dar AKHmetgaleev
На Thu, 15 Mar 2007 02:24:02 +0100
Jan Luo <[EMAIL PROTECTED]> записано:

> hi,
> 
> want to render a video for you tube upload.
> they recommand this:
> >
> > * MPEG4 (Divx, Xvid) format
> > * 320x240 resolution
> > * MP3 audio
> > * 30 frames per second
> >
> has anyone tried this before & some shell commands handy?
> 

I have some experience with vision.rambler.ru (same russian service).
I am using h264 video and aac audio encoded to mp4 container.

You can do this with ffmpeg with two passes

$  ffmpeg -i input_file -me full -s 640x480 -vcodec h264 -pass 1 -b
640 -an  -y output_file.mp4
$  ffmpeg -i input_file -me full -s 640x480 -vcodec h264 -pass 2 -ar
22050 -acodec aac -ab 64  -y output_file.mp4

-s video resolution
-ar - audio sampling rate
-b - video bit rate
-ab - audio bit rate

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Re: [CinCVS] where's the manual?

2007-03-14 Thread Christian Thaeter
Mark Grieveson wrote:
> RTFM, I tell myself.  Yet, when I view the man page, or check out 
> /usr/share/doc/cinelerra, I find them both sadly lacking.  So, where's the 
> manual?  I'm having real problems with this program.
> 
> Mark
> 
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> Cinelerra@skolelinux.no
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http://cvs.cinelerra.org/docs.php


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[CinCVS] where's the manual?

2007-03-14 Thread Mark Grieveson
RTFM, I tell myself.  Yet, when I view the man page, or check out 
/usr/share/doc/cinelerra, I find them both sadly lacking.  So, where's the 
manual?  I'm having real problems with this program.

Mark

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[CinCVS] render for you tube?

2007-03-14 Thread Jan Luo

hi,

want to render a video for you tube upload.
they recommand this:


* MPEG4 (Divx, Xvid) format
* 320x240 resolution
* MP3 audio
* 30 frames per second


has anyone tried this before & some shell commands handy?

cheers

jan luo

ps: played w/ ffmpeg to .flv: looked terrible!



Re: Vs: Re: [CinCVS] Re: Cinelerra sound system?

2007-03-14 Thread Johannes Sixt
On Wednesday 14 March 2007 11:05, [EMAIL PROTECTED] wrote:
> Could someone tell me where some writing to the audio device is done so I
> could understand the system better?

Start looking in VirtualAConsole::process_buffer(), there is a call to 
renderengine->audio->write_buffer().

-- Hannes

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Vs: Re: [CinCVS] Re: Cinelerra sound system?

2007-03-14 Thread markku.linnoskivi


>Alkuperäinen viesti
>Lähettäjä: [EMAIL PROTECTED]
>Päivämäärä: Mar 13, 2007 7:08:36 PM
>Vastaanottaja: cinelerra@skolelinux.no
>Kopio: Adrian Prantl <[EMAIL PROTECTED]>
>Aihe: Re: [CinCVS] Re: Cinelerra sound system?
>
>hi all,
>
>> > I was looking into writing support for the JACK sound system in
>> > CinelerraCVS. This is for me or for the whole community (if I'll ever
>> > get it working). I did find a message that said it's possible to use
>> > oss2jack, I havent't tried that, but off cause it would be nicer to have
>> > a native system.
>>
>> This would be _really_ cool. It would open a lot of new possibilities to
>> the Cinelerra workflow!
>
>I wrote that email about oss2jack.
>With jack support, MacOS X[1] port could get accepted (since sound is the 
only 
>important thing lacking, afaik) and Windows port would be easy too, as there 
>is a jack version for windows[2] and X for windows and macosx.
>
>[1] - jack for macosx: http://www.jackosx.com/
>[2] - jack for windows: http://www.grame.fr/~letz/jackdmp.html
>


I'm seriously still thinking about implementing. Though I haven't got the hang 
of the system yet. Theres no commentation in the source! I would first 
implement the playback only. Though full Jack support would be nice.

Could someone tell me where some writing to the audio device is done so I 
could understand the system better?



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