AVIsynth for MAC users

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AVIsynth for MAC users

Postby -Reda- » Sun Jun 10, 2007 6:05 pm

I recently got a MAC because they're required for the college I'm about to enter. To my dismay I've been unable to find AVIsynth for it! As of now I'm pretty sure theres no such thing as a Mac compatible version of AVIsynth, but if anyone knows of any software SIMILAR to Avisynth or something like that, it would be most helpful if you'd point me in its direction.
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Postby Scintilla » Sun Jun 10, 2007 6:16 pm

When it comes out, AVISynth 3.0 is supposed to be cross-platform, so you may want to pay attention to how the development on that is progressing.
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Postby Zarxrax » Sun Jun 10, 2007 7:07 pm

Scintilla wrote:When it comes out, AVISynth 3.0 is supposed to be cross-platform, so you may want to pay attention to how the development on that is progressing.


That things been in development forever, and it's still a LONG way from completion, so don't hold your breath ^_^
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Re: AVIsynth for MAC users

Postby Athena » Sun Jun 10, 2007 9:18 pm

N0OB wrote:I recently got a MAC because they're required for the college I'm about to enter. To my dismay I've been unable to find AVIsynth for it! As of now I'm pretty sure theres no such thing as a Mac compatible version of AVIsynth, but if anyone knows of any software SIMILAR to Avisynth or something like that, it would be most helpful if you'd point me in its direction.


Unfortunately, no. You can often accomplish a lot of the same effects with Cleaner XL, but it is very expensive and from what I have heard not easy to get anywhere else.
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Postby Kariudo » Sun Jun 10, 2007 10:07 pm

IIRC the mac equivalent of avisynth (for the time being) is avidemux
I'm not a mac user, nor have I used this program...but this is the best thing I could find for an avisynth substitute
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Postby Zarxrax » Mon Jun 11, 2007 7:24 am

Kariudo wrote:IIRC the mac equivalent of avisynth (for the time being) is avidemux
I'm not a mac user, nor have I used this program...but this is the best thing I could find for an avisynth substitute


That's more of a virtualdub substitute than an avisynth substitute.
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Postby Greggus1 » Mon Jun 11, 2007 7:35 am

Let me save you the pain of research with a simple list of your options, if you want decent footage :

1) The best solution right now would be to get Boot Camp and a version of Windows for it. This will run Windows on your Mac, and allow you to use Avisynth, eventually even allowing you to export your files to a Mac friendly format and edit on there.

2) Use Avidemux. I RECOMMEND THIS ONLY IF YOU'RE EDITING ON A PC, OR WINDOWS FOR MAC. You will not be able to export lossless to a Mac editing friendly format.

3) Acquire Cleaner. The program is very expensive, and only the XL version truly reaches Avisynth levels of customization. But it will export to Mac editing friendly lossless formats.

Those are the options I'm aware of. Avisynth 3 would be nice, though.
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Postby Qyot27 » Mon Jun 11, 2007 1:06 pm

Greggus1 wrote:2) Use Avidemux. I RECOMMEND THIS ONLY IF YOU'RE EDITING ON A PC, OR WINDOWS FOR MAC. You will not be able to export lossless to a Mac editing friendly format.

Just a shot in the dark, here, but something that I noticed was that Avidemux can do H.264 (and if my assumption is correct that Quant 0 = Lossless mode; it's been a long time since I read about that) then it might theoretically be possible to encode H.264 Lossless within AVI - but only after disabling the features which cause problems in putting it in AVI, mainly anything to do with B-frames and Reference frames - and then use the Perian Quicktime components to open it via an editing program on a Mac. Someone with a Mac would have to test it, though.
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Postby Greggus1 » Mon Jun 11, 2007 1:11 pm

Qyot27 wrote:
Greggus1 wrote:2) Use Avidemux. I RECOMMEND THIS ONLY IF YOU'RE EDITING ON A PC, OR WINDOWS FOR MAC. You will not be able to export lossless to a Mac editing friendly format.

Just a shot in the dark, here, but something that I noticed was that Avidemux can do H.264 (and if my assumption is correct that Quant 0 = Lossless mode; it's been a long time since I read about that) then it might theoretically be possible to encode H.264 Lossless within AVI - but only after disabling the features which cause problems in putting it in AVI, mainly anything to do with B-frames and Reference frames - and then use the Perian Quicktime components to open it via an editing program on a Mac. Someone with a Mac would have to test it, though.

I'm definitely going to try that. I'll get back to you within the week. Isn't H.264 lossy by definition though?
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Postby Qyot27 » Mon Jun 11, 2007 1:55 pm

Greggus1 wrote:
Qyot27 wrote:
Greggus1 wrote:2) Use Avidemux. I RECOMMEND THIS ONLY IF YOU'RE EDITING ON A PC, OR WINDOWS FOR MAC. You will not be able to export lossless to a Mac editing friendly format.

Just a shot in the dark, here, but something that I noticed was that Avidemux can do H.264 (and if my assumption is correct that Quant 0 = Lossless mode; it's been a long time since I read about that) then it might theoretically be possible to encode H.264 Lossless within AVI - but only after disabling the features which cause problems in putting it in AVI, mainly anything to do with B-frames and Reference frames - and then use the Perian Quicktime components to open it via an editing program on a Mac. Someone with a Mac would have to test it, though.

I'm definitely going to try that. I'll get back to you within the week. Isn't H.264 lossy by definition though?

It does have a Lossless mode, though - it's present in ffdshow's VFW interface and x264 itself can also do it. The only problem would be that it takes a long time to encode. Not sure if it's less time than it would take to render out Uncompressed, though.
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Postby Gepetto » Mon Jun 11, 2007 3:12 pm

If it's in Lossless mode, shouldn't the b-frames and such be deactivated by default?
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Postby Qyot27 » Mon Jun 11, 2007 10:36 pm

Gepetto wrote:If it's in Lossless mode, shouldn't the b-frames and such be deactivated by default?

From what I saw in both x264's VFW way back when, and in Avidemux's options, no they don't automatically get deactivated, unless it does and just doesn't grey the options out. Doing it through ffdshow's VFW would probably not have those options available period since H.264 Lossless is a completely separate item on it's encoder list (but I haven't looked, so I don't know).
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Postby Greggus1 » Wed Jun 13, 2007 1:32 pm

Results of Experiment :

Trying to encode at Quantizer 0 didn't seem to work : The encode bar would always show it at 1 at least. After doing some research, it seems x.264 for Avidemux was not implemented with all features, among them lossless encoding. In addition, there seems to be no real way to disable B-frames, or at least I didn't see one in the options.

What I tried next was encoding an x.264 AVI file through MPEG Streamclip, which resulted in a probably lossless, but unreadable file, even though I'd unchecked the B-frames box.

I'm trying an x.264 MP4 right now with the same settings, just to see if I can play it.
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Postby Gepetto » Wed Jun 13, 2007 2:41 pm

That should be a safer bet than AVI. x264 in AVI is a big no-no AFAIK
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Postby Qyot27 » Wed Jun 13, 2007 3:27 pm

Gepetto wrote:That should be a safer bet than AVI. x264 in AVI is a big no-no AFAIK

That's primarily because of the B-frames and Reference frames. If neither are enabled, then the problems (which are sync-related) don't arise. And with Lossless encoding, it's not a matter of really trying to get the best compression, per se - just usable compression (and if it happens to be the best, so be it - even though I can probably confidently bet that Lagarith or Huffyuv would perform better than H.264 Lossless, in both speed and size).

The problem is fundamentally complicated because Perian - from what I can tell - only supports H.264 in AVI. So unless Apple has made it possible to decode H.264 Lossless through their own components, putting the encode in MP4 won't amount to much.

Greggus1 wrote:In addition, there seems to be no real way to disable B-frames, or at least I didn't see one in the options.

Not even setting B-frames to 0 worked?
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