init commit

remotion/node_modules/@remotion/studio/dist/helpers/get-timeline-sequence-layout.js

@@ -0,0 +1,78 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.getTimelineSequenceLayout = exports.SEQUENCE_BORDER_WIDTH = void 0;
+const timeline_layout_1 = require("./timeline-layout");
+exports.SEQUENCE_BORDER_WIDTH = 1;
+const getWidthOfTrack = ({ durationInFrames, lastFrame, windowWidth, spatialDuration, nonNegativeMarginLeft, }) => {
+    const fullWidth = windowWidth - timeline_layout_1.TIMELINE_PADDING * 2;
+    const base = durationInFrames === Infinity || lastFrame === 0
+        ? fullWidth
+        : (spatialDuration / lastFrame) * fullWidth;
+    return base - exports.SEQUENCE_BORDER_WIDTH + nonNegativeMarginLeft;
+};
+const getTimelineSequenceLayout = ({ durationInFrames, startFrom, maxMediaDuration, startFromMedia, video, windowWidth, premountDisplay, postmountDisplay, }) => {
+    var _a;
+    const maxMediaSequenceDuration = (maxMediaDuration !== null && maxMediaDuration !== void 0 ? maxMediaDuration : Infinity) - startFromMedia;
+    const lastFrame = ((_a = video.durationInFrames) !== null && _a !== void 0 ? _a : 1) - 1;
+    let spatialDuration = Math.min(maxMediaSequenceDuration, durationInFrames - 1, lastFrame - startFrom);
+    // Unclipped spatial duration: without the lastFrame - startFrom constraint
+    let naturalSpatialDuration = Math.min(maxMediaSequenceDuration, durationInFrames - 1);
+    const shouldAddHalfAFrameAtEnd = startFrom + durationInFrames < lastFrame;
+    const shouldAddHalfAFrameAtStart = startFrom > 0;
+    if (shouldAddHalfAFrameAtEnd) {
+        spatialDuration += 0.5;
+        naturalSpatialDuration += 0.5;
+    }
+    if (shouldAddHalfAFrameAtStart) {
+        spatialDuration += 0.5;
+        naturalSpatialDuration += 0.5;
+    }
+    const startFromWithOffset = shouldAddHalfAFrameAtStart
+        ? startFrom - 0.5
+        : startFrom;
+    const marginLeft = lastFrame === 0
+        ? 0
+        : (startFromWithOffset / lastFrame) *
+            (windowWidth - timeline_layout_1.TIMELINE_PADDING * 2);
+    const nonNegativeMarginLeft = Math.min(marginLeft, 0);
+    const width = getWidthOfTrack({
+        durationInFrames,
+        lastFrame,
+        nonNegativeMarginLeft,
+        spatialDuration,
+        windowWidth,
+    });
+    const naturalWidth = getWidthOfTrack({
+        durationInFrames,
+        lastFrame,
+        nonNegativeMarginLeft,
+        spatialDuration: naturalSpatialDuration,
+        windowWidth,
+    });
+    const premountWidth = premountDisplay
+        ? getWidthOfTrack({
+            durationInFrames: premountDisplay,
+            lastFrame,
+            nonNegativeMarginLeft,
+            spatialDuration: premountDisplay,
+            windowWidth,
+        })
+        : null;
+    const postmountWidth = postmountDisplay
+        ? getWidthOfTrack({
+            durationInFrames: postmountDisplay,
+            lastFrame,
+            nonNegativeMarginLeft,
+            spatialDuration: postmountDisplay,
+            windowWidth,
+        })
+        : null;
+    return {
+        marginLeft: Math.max(marginLeft, 0) - (premountWidth !== null && premountWidth !== void 0 ? premountWidth : 0),
+        width: width + (premountWidth !== null && premountWidth !== void 0 ? premountWidth : 0) + (postmountWidth !== null && postmountWidth !== void 0 ? postmountWidth : 0),
+        naturalWidth: naturalWidth + (premountWidth !== null && premountWidth !== void 0 ? premountWidth : 0) + (postmountWidth !== null && postmountWidth !== void 0 ? postmountWidth : 0),
+        premountWidth,
+        postmountWidth,
+    };
+};
+exports.getTimelineSequenceLayout = getTimelineSequenceLayout;