Re: recording videos for youtube with a webcam under linux, success!

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On Mon, Jul 5, 2010 at 5:43 PM, Robin Gareus <robin@xxxxxxxxxx> wrote:
> On 07/05/2010 08:16 AM, Patrick Shirkey wrote:
>> On 07/05/2010 09:53 AM, Loki Davison wrote:
>>> Hey All,
>>> Thanks for the help with recording, they are on youtube!
>>> http://www.youtube.com/user/MrLokiMissSeraphim
>>>
>>> I've finally got VLC to work recording the videos, audio with straight
>>> alsa, then mencoder to convert. I need to start recording them in the
>>> correct aspect ratio for youtube though!
>>>
>>> Next challenge, multi-track audio with ardour synced to multitrack
>>> video and mix between the different videos of each instrument. Any
>>> hints on an NLE?
>>>
>
> If you don't need fancy video editing (zoom automation or sth.):
> openmovieeditor.org - it's fairly easy to get started with and it can be
> synced to JACK transport.
>
> The alternatives are Blender (syncs with JACK) and Cinelerra or PiTiVi
> or.. (kino, avidemux, lives..)
>
> For the final mastering step (mux Audio/Video and export different
> formats) use ffmpeg or mencoder.
>
> ffmpeg -i input-video.avi \
>       -i input-audio.wav \
>  -vcodec libx264 -vpre hq -acodec aac -ab 192k -b 800k output.mp4
> or
> ... -vcodec mpeg4 -acodec mp2 -ab 128k -b1000k output.avi
>
> if your input-video.avi already has an audio-track that you want to
> replace use '-map 0:0 -map 1:0'. Of course there are much more options.
> man ffmpeg is your friend.
>
>> Blender for multi track video and if you want audio too but I would
>> suggest using blender only for the video and one of the many audio daws
>> ardour, qtractor, muse, rosegarden, audacity for the multi track audio
>> part. With blender 2.49 you can sync with a jack script but latest
>> blender svn has native jack support.
>>
>> There is also lumiera, cinelerra, avidemux, and several other multitrack
>> video editors.
>
> lumiera is still in the early stages of development not yet usable.
>
>> Also Robin Gareus has just released a patch for ardour3 that provides a
>> native video timeline using xjadeo which needs testing if you are keen.
>
> It's been announced on the ardour-dev list. It'd be great to get some
> feedback; but note that ardour3 is still under heavy development.
>
> svn co http://subversion.ardour.org/svn/ardour2/branches/3.0 ardour3
> cd ardour3
> curl
> "http://rg42.org/gitweb/?p=ardour3.git;a=commitdiff_plain;hp=master;h=videotl";
> | patch -p1
> less tools/videotimeline/README
> ./waf configure --videotimeline [other options]
> ./waf
> ./gtk2_ardour/ardev
>

Awesome stuff Robin, I'll check out openmovieeditor and your ardour3
patches as soon as I can! I don't even know what zoom automation is so
I don't think I need it. :) Syncing with ardour would be great.
Hopefully I can make it all quick and easy, otherwise the singer
freaks out a bit.

All the current videos are done with 2 behringer omni mics and no post
processing. It would be nice if we could have more mics for when
tracks with a drummer, and electric tracks where I drown the singer
out a bit. Ardour3 or openmovieeditor look like the plan.

Thanks tons!
Loki
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