16 lines
733 B
JavaScript
16 lines
733 B
JavaScript
export const getRealFrameRange = (durationInFrames, frameRange) => {
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if (frameRange === null) {
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return [0, durationInFrames - 1];
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}
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if (typeof frameRange === 'number') {
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if (frameRange < 0 || frameRange >= durationInFrames) {
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throw new Error(`Frame number is out of range, must be between 0 and ${durationInFrames - 1} but got ${frameRange}`);
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}
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return [frameRange, frameRange];
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}
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if (frameRange[1] >= durationInFrames || frameRange[0] < 0) {
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throw new Error(`The "durationInFrames" of the composition was evaluated to be ${durationInFrames}, but frame range ${frameRange.join('-')} is not inbetween 0-${durationInFrames - 1}`);
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}
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return frameRange;
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};
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