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From: Bob Villa on 27 Dec 2009 08:45
On Dec 27, 5:28 am, Linda Galdieri <li...(a)losgatostherapy.com> wrote:
> What is good freeware to "splice" two videos simultaneously together?
>
> My high school kid wants to take two videos from his camera and combine
> half the screeen of each so that he is on the left side looking right while
> he is talking to himself on the right side looking left.
>
> I googled for "splicing video" but kept getting the video joiners.
>
> What Windows freeware do people use to combine two half video screens to a
> single screen?
>
> (Or what keywords do I use to look this frame joining together?)

There is a very small program called WinDV (Petr Mourek) that divides
a video into clips automatically where they were paused.
Then you can drag and drop splices. Maybe this would work?
bob
From: Dave on 27 Dec 2009 08:48
On Sun, 27 Dec 2009 03:28:14 -0800, Linda Galdieri wrote:

> What is good freeware to "splice" two videos simultaneously together?
>
> My high school kid wants to take two videos from his camera and combine
> half the screeen of each so that he is on the left side looking right
> while he is talking to himself on the right side looking left.
>
> I googled for "splicing video" but kept getting the video joiners.
>
> What Windows freeware do people use to combine two half video screens to
> a single screen?
>
> (Or what keywords do I use to look this frame joining together?)

Try Avisynth
http://avisynth.org/oldwiki/index.php?page=Stack

or google "combine two videos side by side".There's a number of hacks and
methods including "green screen" with Blender (more complicated than
Avisynth)and others.

Dave



--
Registered Linux user # 444770

From: Linda Galdieri on 27 Dec 2009 08:51
On Sun, 27 Dec 2009 13:16:36 GMT, rich wrote:
> I don't know of any amateur video editor which will join two side-by-side
> videos, so an overlay is the only option I know.
> Here is a quick example using avidemux / super(c)
> http://rapidshare.com/files/326541238/example.avi

Hi Rich,
Your example.avi shows EXACTLY what we need! Thank you for understanding!

You showed one video on the left and another on the right, each taking
exacly half the screen.

I'm not sure of the sequence but is this correct?
0. Create a folder to put the following files inside
1. Record right.avi (kid lip synching on the right)
2. Record left.avi (kid lip synching on the left)
3. Record audio.??? (what format do we use for the audio?)
4. Write a text file called "pips.avi" containing the 3 lines below
main=avisource("right.avi").ConvertToYUY2()
pip=avisource("left.avi").ConvertToYUY2()
Layer(main,pip,"add",255,0,0)
5. Start AviDemux & crop "left.avi" so it is only the left half
(http://www.videohelp.com/tools/AviDemux)
6. Start Super and slide pips.avi into the main processing window
(http://www.videohelp.com/tools/SUPER)
7. Super will then create the combined "both.avi" with left.avi on the left
and right.avi on the right.
8. Start AviDemux and overlay the audio onto "both.avi"
9. Convert the both.avi with audio to DVD (somehow)

Did I get that right for making a 30-second video of my kid on the left
talking to himself on the right simultaneously in the same video?
From: Linda Galdieri on 27 Dec 2009 13:37
On Sun, 27 Dec 2009 14:50:46 GMT, rich wrote:
> Bound to be some snags, keep posting.
> Maybe someone knows a better way

Sorry for the late response. I had to return some Christmas gifts.
I'm back now.
I've updated your instructions and will try and let you know!

This is how to combine two videos using Windows freeware!

Create the combined video file
1. Record right.avi (kid talking on the right, looking left)
2. Record left.avi (kid talking on the left, looking right)
3. Using 'Avidemux' (http://www.videohelp.com/tools/AviDemux)
3a. Open 'left.avi'
3b. Set the video format to 'mp4xvid'
3c. Click 'filters'
3d. Click 'transform'
3e. Click 'crop'
3f. Adjust the left and right sides to give half width
3g. Click OK
3h. Save as 'half-left.avi'
4. Using Notepaqd, write this 3-line 'pips.avi' text filetext file
4a. main=avisource("right.avi").ConvertToYUY2()
4b. pip=avisource("left.avi").ConvertToYUY2()
4c. Layer(main,pip,"add",255,0,0)
5. Put all three files into the same Windows folder
5a. pips.avi
5b. half-left.avi
5c. right.avi
6. Using Super (http://www.videohelp.com/tools/SUPER)
6a. Drag and drop or browse for pips.avi
6a. and slide pips.avi into the main processing window
6b. Check the output settings for Super
6c. Keep frame size the same (as what?)
6d. Select .avi output
6e. Select the xvid encoder
7. Super will then create the combined "both.avi"
7a. Super will output a file named pip.avs.avi
7b. Rename this file (why)?

Isolate the audio tracks from the original video files
8. Using AviDemux, strip out the audio from each video
8a. Open the video "left.avi"
8b. Set the audio to MP3
8c. Go to the "Audio Menu"
8d. Select "Save"
8e. Save as "left.mp3"
8f. Do the same for "right.avi" to save "right.mp3"

Or, if you lip synched originally, you can create the audio now:
9. Using Audacity (http://audacity.sourceforge.net/download/windows)
9a. Play a track while recording as MP3 at the same time
9b. Save as "both.mp3"

Dub the audio onto the video at the right places:
10. Start AviDemux
10a. Set video & audio to copy
10b. Set'format' to avi.
10c. In the Audio Menu, choose "Main Track"
10d. Select "Audio Source External File"
10e. Browse for the combined audio file "both.mp3"
10f. Select save
10g. Save as "both.avi"

Convert the both.avi with audio to DVD
11. Using DeVeDe (http://www.majorsilence.com/devede)
11a. Convert the AVI to a set of DVD-format files
12. Using ImgBurn (http://www.imgburn.com/index.php?act=download)
12a. Burn that DVD set of files to a DVD format media

So far, this is the recommended method of using freeware to combine two
videos into one video (whatever it's called).

If anyone has a BETTER freeware method, please let me know.
From: M.L. on 28 Dec 2009 00:31


>> Bound to be some snags, keep posting.
>> Maybe someone knows a better way
>
>Sorry for the late response. I had to return some Christmas gifts.
>I'm back now.
>I've updated your instructions and will try and let you know!
>
>This is how to combine two videos using Windows freeware!
>
>Create the combined video file
>1. Record right.avi (kid talking on the right, looking left)
>2. Record left.avi (kid talking on the left, looking right)
>3. Using 'Avidemux' (http://www.videohelp.com/tools/AviDemux)
>3a. Open 'left.avi'
>3b. Set the video format to 'mp4xvid'
>3c. Click 'filters'
>3d. Click 'transform'
>3e. Click 'crop'
>3f. Adjust the left and right sides to give half width
>3g. Click OK
>3h. Save as 'half-left.avi'
>4. Using Notepaqd, write this 3-line 'pips.avi' text filetext file
>4a. main=avisource("right.avi").ConvertToYUY2()
>4b. pip=avisource("left.avi").ConvertToYUY2()
>4c. Layer(main,pip,"add",255,0,0)
>5. Put all three files into the same Windows folder
>5a. pips.avi
>5b. half-left.avi
>5c. right.avi
>6. Using Super (http://www.videohelp.com/tools/SUPER)
>6a. Drag and drop or browse for pips.avi
>6a. and slide pips.avi into the main processing window
>6b. Check the output settings for Super
>6c. Keep frame size the same (as what?)
>6d. Select .avi output
>6e. Select the xvid encoder
>7. Super will then create the combined "both.avi"
>7a. Super will output a file named pip.avs.avi
>7b. Rename this file (why)?
>
>Isolate the audio tracks from the original video files
>8. Using AviDemux, strip out the audio from each video
>8a. Open the video "left.avi"
>8b. Set the audio to MP3
>8c. Go to the "Audio Menu"
>8d. Select "Save"
>8e. Save as "left.mp3"
>8f. Do the same for "right.avi" to save "right.mp3"
>
>Or, if you lip synched originally, you can create the audio now:
>9. Using Audacity (http://audacity.sourceforge.net/download/windows)
>9a. Play a track while recording as MP3 at the same time
>9b. Save as "both.mp3"
>
>Dub the audio onto the video at the right places:
>10. Start AviDemux
>10a. Set video & audio to copy
>10b. Set'format' to avi.
>10c. In the Audio Menu, choose "Main Track"
>10d. Select "Audio Source External File"
>10e. Browse for the combined audio file "both.mp3"
>10f. Select save
>10g. Save as "both.avi"
>
>Convert the both.avi with audio to DVD
>11. Using DeVeDe (http://www.majorsilence.com/devede)
>11a. Convert the AVI to a set of DVD-format files
>12. Using ImgBurn (http://www.imgburn.com/index.php?act=download)
>12a. Burn that DVD set of files to a DVD format media
>
>So far, this is the recommended method of using freeware to combine two
>videos into one video (whatever it's called).
>
>If anyone has a BETTER freeware method, please let me know.

I made some changes to rich's clever Avisynth script that should save
some time by avoiding the need to crop your videos. It also allows you
to resize one or both of them within Avisynth. It trims the final
video to the length of the shortest-running video.

By default, the Layers filter will overlay the left side of the
rightmost video onto the right side of the leftmost video. However,
since you want to overlay the right side of the rightmost video, my
modification shifts the right half of the rightmost video to the left
so that they overlay as expected.

A copy of my modifications to rich's script follow:

*****************************************
vid1 = "lake.avi"
vid2 = "butterfly.avi"
audio = DirectShowSource("wind1.mp3")

main = DirectShowSource(vid1, audio=false).ConvertToYUY2()
pip = DirectShowSource(vid2, audio=false)
pip =
pip.LanczosResize(pip.width,pip.height,pip.width/2,0,pip.width,pip.height).ConvertToYUY2()

numFrames = main.framecount > pip.framecount ? pip.framecount :
main.framecount

# use this line if audio available
AudioDub(Layer(main,pip,"add",255,Int(pip.width/2),0).Trim(0,numFrames-1),
audio)

# use this line if no audio available
#Layer(main,pip,"add",255,Int(pip.width/2),0).Trim(0,numFrames-1)
****************************************

You can resize either video by setting the first two LanczosResize
width/height parameters:

main= DirectShowSource().LanczosResize(720,480).Convert...
pip= LanczosResize(720,480,...).ConvertToYUY2()

I uploaded sample files including 2 videos , an audio file and the
Avisynth script, all in a zip file (3 MB) for testing.

http://www.fileflyer.com/view/npMDJAD

The script will also dub the merged videos (avi, mpg, wmv) with your
audio file (wav, mp3). The AudioDub filter automatically trims the
audio to the length of the final video. However, since you'll likely
be synching your audio *after* merging the file, you should just
ignore the AudioDub filter by erasing or commenting it out the
Avisynth script. I recommend audio synching the merged mpeg2 video
using a visual editor such as Windows Movie Maker. You don't need to
save the video, just the synched audio, which will save time.

If you want an all-in-one solution that can do everything from
importing the avs file, importing the synched audio file, and burning
the result onto DVD, I recommend DVD Flick.

DVD Flick
Pros: No reencoding of DVD-compliant MPEG2 files, supports DVD menus
and auto chapters, burns to DVD, supports AC3 5.1 channel audio, sets
output by size
Input: 3G2(Mobile), 3GP(Mobile), AVI, AVS, FLV, HDMOV, MJPG, MKV, MOV,
MP4(IPOD,PSP,ZUNE), MPEG-PS, MPEG-TS, MPEG1, MPEG2, MPEG4, NUT, NSV,
OGM, QT, RM, SMK, SWF, WMV/ASF
Output: DVD, ISO, VOB(VIDEO_TS folder)
OS: Win 2000/XP/Vista
www.dvdflick.net/
http://www.videohelp.com/tools/DVD_Flick
http://beginwithsoftware.com/videoguides/dvd-flick-guide.html (user
guide)
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