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ref_vfmethod_initProc
VirtualDub Plugin SDK 1.2
initProc video filter method
Initializes a filter's per-instance data.
int initProc(VDXFilterActivation *fa, const VDXFilterFunctions *ff);
| fa | Pointer to filter activation structure. |
| ff | Pointer to callback function structure. |
This method is not thread-safe.
Exceptions may be thrown from this function (see Except()).
Zero on success, non-zero on failure.
If omitted, no default action is taken.
This function is called whenever a filter instance is created, and is usually used to initialize variables in the private data structure. Regardless of whether it is provided, VirtualDub will initialize the data structure to zeroes, so most filters will not need this function.
Copyright (C) 2007-2012 Avery Lee.
Setting up your development environment
Conventions
Plugin initialization
Dynamic loading
Reference counting
Using CPU extensions
Introduction
What's new
Breaking changes
Gotchas
Deprecated features
Migrating from the old Filter SDK
Programming model
Handling bitmaps
Creating a video filter
Setting filter parameters
Processing video frames
Managing filter data
Creating time-varying filters
Handling aspect ratio
Prefetching multiple source frames
Handling multiple sources
Making a filter configurable
Scripting support
CPU dependent optimization
VDXA index omitted
Getting started
Writing the module entry point
Creating a video filter
Adding configurability
Adding script support
Introduction
What's new
Autodetect
Direct mode
Video frames vs. samples
Video decodint model
Video decoder