Maybe you still don't understand what AviSynth can do. To give you some simple examples, you need to process an avi. You want to reduce the size of the screen, you can use avs; you want to eliminate the clutter on the screen, you can use avs; you want to sharpen the picture, you can still use avs; AviSynth is the bridge between the media file and the compression software, the compression software can be called and processed through the media file AviSynth. And it's not just the compression software, even the player can call avs and process the files to get the desired playback effect.
AviSynth starts by writing and creating a text that contains specific commands. Note that the text here, simply put, is the windows writing pad to write out the document, you can use any kind of text editor to open for editing. The text of this particular command is called a "script" (file extension avs), and these commands specify the media files and filters to be run for processing!
AviSynth's platform and associated filters are being updated faster, with more features added and easier to edit avs scripts. You can download the platform software at shooter.com. As for the filters you can download them at gethttp://www.avisynth.org/warpenterprises/
As for the doom9 forums, it's good to know that there is such a nest of oohs and aahs!
Above briefly introduced some basic concepts of AviSynth as an introduction, in the body before the beginning, I want to first explain a very important point: avs script and its various filters are mainly applicable to the processing of large bitrate media files, that is, we are often in contact with the production optimization of DVDRIP/TVRIP avi. For rmvb, which is a highly compressed format, the avs filters we utilize should be taken with a grain of salt (e.g., bright filters, subtitle filters, screen adjustments, and a few others)! That is to say, avs in rmvb compression, we need to take advantage of avs flexible "middleman" role (see the following example)! Instead, we need to utilize avs' flexible "middleman" role (see the example below)! I see a lot of friends initially contact rmvb compression, on the use of avs compression DVDRIP-rmvb, completely using individual forums to give avs script, which is full of all kinds of filters, such as 3D enhancement, soften, silk, etc. These filters, if you create DVDRIP, can be used in the production of the DVDRIP, but not in the production of the DVDRIP, but in the production of the DVDRIP! These filters if the production of DVDRIP avi that will get a definite picture quality effect, but used for rmvb compression, as if it is the East to knit the knitting brows, the faithful! real compression principle and the high bit rate of the mpge4 encoding is different, the latter has the concept of the upper layer of the video, and therefore the filter modification role can be reflected. When I read Doom9's discussion of avs, it is still primarily focused on dealing with a variety of large data-volume video media. Such as dealing with their own DV recorded movie and television, TV card recorded video sources and so on and so forth. And it is well known that the impact of real media compression effect is the effect of the source. vcd source and then how to deal with it is impossible to achieve the effect of dvd, and dvd source, and then how haphazardly compression will not be worse. Therefore, avs directly in the rmvb compression needs to be appropriate choice, and can not blindly follow, especially for a variety of filters to pay more attention to the choice. In a word, AviSynth is very flexible, to be analyzed on a case-by-case basis.
Second, we need to recognize the role of avs bridge. The first is to use the compression software itself as much as possible after the modification. For real compression, such as rmvb compression in the frame rate change can be set in the compression software, and do not write the relevant statements in the avs. In addition, a variety of compression software using the real compression kernel, and real compression is generally based on the YV12 fast processing environment. This is also a problem that needs attention when using avs to compress rmvb.