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| Darkfalz |
| Posted: Apr 25 2003, 01:55 PM |
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Unregistered
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I'm not a big fan of QuickTime, but I have to admit that Sorenson is a much sharper compressor than any MPEG-4 variant (DivX etc.) - it has other artifacts of course, but the sharpness is worth it.
Is there a comparable codec for AVI? |
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| ChristianHJW |
| Posted: Apr 26 2003, 01:51 AM |
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Advanced Member
Group: Moderators
Posts: 1768
Member No.: 2
Joined: 7-July 02
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matroska has a Quicktime compatibility mode planned, similar to the VfW compatibility mode we are using for video codecs that are not used a lot and therefore wont get a unique native matroska codec ID .... so in principal, once we implemented this mode, you will be possible to mux a Sorenson stream from a QT file and use it in matroska together with subs and any audio stream you like.
In addition to that we could create the codec ID 'V_SORENSON' once we have the improved codec API ready and somebody writes a wrapper for the codec DLL  ...
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Visit the unofficial Virtualdub support forum on http://forums.virtualdub.org - help to reduce the big number of emails Avery Lee is getting every day !!
Support matroska as container and Gstreamer as the only truely open, x-platform multimedia platform .... |
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| endorphin |
| Posted: Apr 28 2003, 05:23 AM |
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Advanced Member
Group: Members
Posts: 112
Member No.: 3488
Joined: 4-April 03
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Christian, matroska sounds more impressive every day. I'm looking forward to it. Although I must say that to a stupid American like myself the name does not sound smooth and inviting. I liked the old name MCF!
Darkfalz, I don't know what codec to recommend but if sharpness is what you're looking for, and if you do any resizing in VDub, use Lanczos3 as the method of interpolation in the resize filter. It's about as sharp as some types of Bicubic but looks more natural/accurate. The problem then is that you have to select a much higher bitrate in your output codec in order to encode the sharp edges without artifacts. |
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