Module helper

VSHelper4.h

Functions

add_rational

Add two rational numbers and reduces the result

are_valid_dimensions

bitblt^⚠

Copies bytes from one plane to another. Basically, it is memcpy in a loop.

double_to_float_s

Converts a double to float with saturation, useful to silence warnings when reading float properties among other things

int64_to_int_s

Converts an int64 to int with saturation, useful to silence warnings when reading int properties among other things

is_constant_video_format

Convenience function for checking if the format never changes between frames

is_same_audio_format

Convenience function to check for if two clips have the same format while also including sampleRate (unknown/changeable will be considered the same too)

is_same_audio_info

Convenience function to check for if two clips have the same format while also including sampleRate (unknown/changeable will be considered the same too)

is_same_video_format

Convenience function to check if two clips have the same format (unknown/changeable will be considered the same too)

is_same_video_info

Convenience function to check for if two clips have the same format (but not framerate) while also including width and height (unknown/changeable will be considered the same too)

muldiv_rational

Multiplies and divides a rational number, such as a frame duration, in place and reduces the result

reduce_rational

Reduces a rational number