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VapourSynth-IT

VS_IT.dll v0103.1.2 Copyright(C) 2002 thejam79, 2003 minamina, 2014 msg7086

VapourSynth Plugin - Inverse Telecine (YV12 Only, IT-0051 base, IT_YV12-0103 base)

  • Original plugin: IT 0.051 by thejam79
  • Original plugin: IT_YV12 v0.1.03 by minamina
  • Original modify: 64bit/8k mod by poodle from (avisynth64bitplugin)
  • All credits go to them.
  • Special thanks to: macromizer

License

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

Usage

core.it.IT(clip clip, int fps = 24, int threshold = 20, int pthreshold = 75)

clip                      - clip to be processed. Width < 8192 and YV12 only
fps                       - 24: IVTC; 30: frame-matching only
threshold / pthreshold    - original developer never mentioned about this
(removed) blend = false
(removed) ref = "TOP"
(removed) diMode = 3

Example

v = core.std.BlankClip(format=vs.YUV420P8, color=[40,60,240], fpsnum=30000, fpsden=1001)
v = core.it.IT(v)

Caution

This is a partial porting.

  • Only YV12 is ported and supported.
  • 64bit has not been tested yet.
  • Source code is rarely changed, and help function calls are used to organize variables and core calls.
  • You are welcome to send PR if want to improve this.
  • blend has been removed. No blend.
  • ref has been removed. It will always point to "TOP".
  • diMode has been removed. Only mode = 3 is ported, AFAIK mode 3 is working best.
  • You are welcome to send PR if you think it's necessary.

This plugin has 3 code base,

  • The original MMX
  • Pure C routine (-D__C)
  • SSE2 intrinsics (-D__SSE)

You are welcome to send PR if you can help to improve the code quality.

ChangeLog

  • v1.2 14/10/15 Change function name to PascalCase.
  • v1.1 14/10/08 Move 2 thread variables back to object to improve speed. Now we support compiling under Linux using g++ and clang++. Clang version appears to be faster but YMMV.
  • v1.0 14/10/06 All inline asm code has been translated to pure C and SSE2 intrinsics. SSE2 comes with 30% speed up compared to original MMX code.
  • v0.4 14/10/04 Code cleanup. Special thanks to macromizer for cleaning up macros.
  • v0.3 14/10/03 Code cleanup, multiple instances problem fixed
  • v0.2 14/10/01 64-bit/8k mod patched
  • v0.1 14/09/30 Initial porting

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Inverse Telecine Plugin Ported for VapourSynth

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