Posted: 1/30/2011 10:10 AM
Post subject: question on making AVI's with 0.96 DeSmuME
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pixcalibur
Joined: 11/3/2010
Posts: 3
Got a few questions on recording AVI's with DeSmuME. I'm pretty sure this is in some other post, but I couldn't find one anywhere. I can record the AVI and get the basic video with a top-bottom screen distribution. However, when I upload the videos onto YouTube, I note that there is a ton of blank space on the sides. The problem is that I don't know how to edit the video to fill in more of the YouTube screen, as any editing software I use results in basically stretching the video and making it distorted and blurry. How can I edit the video to put the screens side by side to allow the video to fill in more of the YouTube screen without distorting the video (as can be seen in the TAS videos for example)? If I wanted to make a space at the top to add some button links, how can I edit the video to do such? If you need further clarification, I can link to one of my YouTube videos to show you how I have my videos currently edited. Thanks.
Posted: 1/30/2011 10:11 AM
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arflech
He/Him
Joined: 5/3/2008
Posts: 1120
the answer is avisynth
i imgur com/QiCaaH8 png
Posted: 1/31/2011 12:10 AM
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pixcalibur
Joined: 11/3/2010
Posts: 3
I could use avisynth if I knew how to record the two screens separately so that I can attach them together, but I don't know how to do that. Doesn't look like vdub let's you record half a video screen. Not sure which video editing programs can do this type of capturing. Also, changing the LCD screen arrangement doesn't help either, as it still records screens vertically. If I can get the two halves in separate avi files, then I can resize each of them and then stick them together. Any suggestions?
Posted: 1/31/2011 7:19 AM
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Noxxa
They/Them
Moderator, Expert player (4149)
Joined: 8/14/2009
Posts: 4083
Location: The Netherlands
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DeSmuME can only record both screens at a time to an AVI. To edit the AVI from there you need to use avisynth. To place both screens next to each other, use an avisynth script like this: 
A = AviSource("desmumedump.avi", pixel_type="RGB32")
A = A.crop(0,0,256,192)
B = A.crop(0,192,256,192)
StackHorizontal(A,B)
http://www.youtube.com/Noxxa <dwangoAC> This is a TAS (...). Not suitable for all audiences. May cause undesirable side-effects. May contain emulator abuse. Emulator may be abusive. This product contains glitches known to the state of California to cause egg defects. <Masterjun> I'm just a guy arranging bits in a sequence which could potentially amuse other people looking at these bits <adelikat> In Oregon Trail, I sacrificed my own family to save time. In Star trek, I killed helpless comrades in escape pods to save time. Here, I kill my allies to save time. I think I need help.