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remotion/node_modules/@remotion/player/dist/cjs/calculate-next-frame.js
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28
remotion/node_modules/@remotion/player/dist/cjs/calculate-next-frame.js
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.calculateNextFrame = void 0;
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const calculateNextFrame = ({ time, currentFrame: startFrame, playbackSpeed, fps, actualLastFrame, actualFirstFrame, framesAdvanced, shouldLoop, }) => {
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const op = playbackSpeed < 0 ? Math.ceil : Math.floor;
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const framesToAdvance = op((time * playbackSpeed) / (1000 / fps)) - framesAdvanced;
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const nextFrame = framesToAdvance + startFrame;
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const isCurrentFrameOutside = startFrame > actualLastFrame || startFrame < actualFirstFrame;
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const isNextFrameOutside = nextFrame > actualLastFrame || nextFrame < actualFirstFrame;
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const hasEnded = !shouldLoop && isNextFrameOutside && !isCurrentFrameOutside;
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if (playbackSpeed > 0) {
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// Play forwards
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if (isNextFrameOutside) {
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return {
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nextFrame: actualFirstFrame,
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framesToAdvance,
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hasEnded,
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};
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}
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return { nextFrame, framesToAdvance, hasEnded };
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}
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// Reverse playback
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if (isNextFrameOutside) {
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return { nextFrame: actualLastFrame, framesToAdvance, hasEnded };
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}
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return { nextFrame, framesToAdvance, hasEnded };
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};
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exports.calculateNextFrame = calculateNextFrame;
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