Adolfo Reyna
44 lines
2.0 KiB
JavaScript
44 lines
2.0 KiB
JavaScript
"use strict";
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// Determines the filenames for frames that get rendered.
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// - If passed to FFMPEG, they should be consecutive: element-000.jpg, element-001.jpg, element-002.jpg
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// - If `--every-nth-frame` is passed, only frames 0, 2, 4 are rendered
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// - If an image sequence is created, the filenames should correspond to the frame numbers: element-099.jpg, element-100.jpg
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.getFilePadLength = exports.getFrameOutputFileName = exports.getFrameOutputFileNameFromPattern = void 0;
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const getFrameOutputFileNameFromPattern = ({ pattern, frame, ext, }) => {
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return pattern.replace(/\[frame\]/g, frame).replace(/\[ext\]/g, ext);
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};
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exports.getFrameOutputFileNameFromPattern = getFrameOutputFileNameFromPattern;
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const getFrameOutputFileName = ({ index, frame, imageFormat, countType, lastFrame, totalFrames, imageSequencePattern, }) => {
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const filePadLength = (0, exports.getFilePadLength)({ lastFrame, countType, totalFrames });
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const frameStr = countType === 'actual-frames'
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? String(frame).padStart(filePadLength, '0')
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: String(index).padStart(filePadLength, '0');
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if (imageSequencePattern) {
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return (0, exports.getFrameOutputFileNameFromPattern)({
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pattern: imageSequencePattern,
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frame: frameStr,
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ext: imageFormat,
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});
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}
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const prefix = 'element';
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if (countType === 'actual-frames') {
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return `${prefix}-${frameStr}.${imageFormat}`;
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}
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if (countType === 'from-zero') {
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return `${prefix}-${frameStr}.${imageFormat}`;
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}
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throw new TypeError('Unknown count type');
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};
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exports.getFrameOutputFileName = getFrameOutputFileName;
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const getFilePadLength = ({ lastFrame, totalFrames, countType, }) => {
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if (countType === 'actual-frames') {
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return String(lastFrame).length;
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}
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if (countType === 'from-zero') {
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return String(totalFrames - 1).length;
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}
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throw new Error('Unknown file type');
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};
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exports.getFilePadLength = getFilePadLength;
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