VapourSource

Revision as of 15:32, 9 May 2020

Description

VapourSource is a VapourSynth script reader for AviSynth 2.6.

Requirements

• [x86]: AviSynth+ or AviSynth 2.6
• [x64]: AviSynth+
• VapourSynth R32 or greater (x86 or x64)
• SSE2 capable CPU
• Microsoft Visual C++ 2015 Redistributable Package

Supported Formats

VapourSource supports the following formats:

AviSynth colorspace	VapourSynth colorspace
RGB24	RGB24
RGB32	COMPATBGR32
YUY2	COMPATYUY2
Y8*	GRAY8/16
YV12*	YUV420P8/9/10/16
YV16*	YUV422P8/9/10/16
YV24*	YUV444P8/9/10/16
YV411	YUV411P8
Only constant format/resolution/framerate clips are supported.
*Y8/YV12/16/24 allow bit depths >8 using the Stack16 format.

Syntax and Parameters

VSImport

Imports an external VapourSynth script (*.vpy).

VSImport (string source, bool "stacked", int "index", int "prefetch")

string  source =

Path to VapourSynth script (*.vpy); path can be omitted if the script is in the same folder as the AviSynth script (*.avs).

bool  stacked = false

If this is set to true, MSB/LSB will be separated and be stacked vertically (Stack16).

int  index = 0

Index of input clip.

int  prefetch = 0

Request given amount of frames in advance (MT behaviour). If you have 4 physical cores, set it to 4. If Avisynth part of script is too easy in comparison with VS one, It might be good idea to set prefetch to 5. Anyway you can tune it and seek for better performance.

VSEval

Evaluates a VapourSynth script inside an AviSynth script, no need for an external script.

VSEval (string source, bool "stacked", int "index", int "prefetch")

string  source =

VapourSynth script to be evaluated.

bool  stacked = false

If this is set to true, MSB/LSB will be separated and be stacked vertically.

int  index = 0

Index of input clip.

int  prefetch = 0

Request given amount of frames in advance (MT behaviour). If you have 4 physical cores, set it to 4. If Avisynth part of script is too easy in comparison with VS one, It might be good idea to set prefetch to 5. Anyway you can tune it and seek for better performance.

Examples

VSImport:

VSImport("script.vpy", stacked=false, index=0, prefetch=4)

VSEval:

script = """
import vapoursynth as vs
bc = vs.get_core().std.BlankClip
clip0 = bc(format=vs.YUV422P8, color=[0, 128, 128])
clip1 = bc(format=vs.YUV422P8, color=[255, 128, 128])
clip0.set_output(index=0)
clip1.set_output(index=1)
"""
VSEval(source=script, index=1, prefetch=4)

Changelog

Version      Date            Changes

0.1.1        07/19/2018      - add prefetch parameter.

0.0.4        05/07/2016      - VS2010 to VS2015
                             - update avisynth.h, VapourSynth.h and VSScript.h
                             - add 64bit binary

0.0.2        08/06/2013      - fix vertical flip issue on COMPATBGR32.
                             - allow to input a RGB24 clip.

0.0.1        07/31/2013      - initial release

Archived Downloads

External Links

• Doom9 Forum - VapourSource discussion.
• GitHub - Source code repository.

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