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import { useRef } from "react";
import { useEditor } from "@/hooks/use-editor";
import { NumberField } from "@/components/ui/number-field";
import { Switch } from "@/components/ui/switch";
import { HugeiconsIcon } from "@hugeicons/react";
import { DashboardSpeed02Icon } from "@hugeicons/core-free-icons";
import { buildConstantRetime } from "@/lib/retime";
import {
DEFAULT_RETIME_RATE,
MIN_RETIME_RATE,
MAX_RETIME_RATE,
clampRetimeRate,
canMaintainPitch,
} from "@/constants/retime-constants";
import type { AudioElement, VideoElement } from "@/lib/timeline";
import {
Section,
SectionContent,
SectionField,
SectionFields,
SectionHeader,
SectionTitle,
} from "@/components/section";
import { usePropertyDraft } from "../hooks/use-property-draft";
function rateToDisplay({ rate }: { rate: number }): string {
return rate.toFixed(2);
}
function parseSpeedInput({ input }: { input: string }): number | null {
const parsed = parseFloat(input);
if (Number.isNaN(parsed)) return null;
const rounded = Math.round(parsed * 100) / 100;
return clampRetimeRate({ rate: rounded });
}
function buildRetime({
rate,
maintainPitch,
}: {
rate: number;
maintainPitch: boolean;
}) {
if (rate === DEFAULT_RETIME_RATE && !maintainPitch) return undefined;
return buildConstantRetime({ rate, maintainPitch });
}
export function SpeedTab({
element,
trackId,
}: {
element: AudioElement | VideoElement;
trackId: string;
}) {
const editor = useEditor();
const rate = clampRetimeRate({
rate: element.retime?.rate ?? DEFAULT_RETIME_RATE,
});
const maintainPitchAvailable = canMaintainPitch({ rate });
const maintainPitch = element.retime?.maintainPitch ?? false;
const pendingRateRef = useRef(rate);
const applyRetime = ({
rate: nextRate,
maintainPitch: nextMaintainPitch,
pushHistory = true,
}: {
rate: number;
maintainPitch: boolean;
pushHistory?: boolean;
}) => {
editor.timeline.updateElementRetime({
trackId,
elementId: element.id,
retime: buildRetime({ rate: nextRate, maintainPitch: nextMaintainPitch }),
pushHistory,
});
};
const speedDraft = usePropertyDraft({
displayValue: rateToDisplay({ rate }),
parse: (input) => parseSpeedInput({ input }),
onPreview: (nextRate) => {
pendingRateRef.current = nextRate;
applyRetime({ rate: nextRate, maintainPitch, pushHistory: false });
},
onCommit: () => {
applyRetime({ rate: pendingRateRef.current, maintainPitch });
},
});
return (
<Section collapsible sectionKey={`${element.id}:speed`}>
<SectionHeader>
<SectionTitle>Speed</SectionTitle>
</SectionHeader>
<SectionContent>
<SectionFields>
<SectionField label="Speed">
<NumberField
icon={<HugeiconsIcon icon={DashboardSpeed02Icon} />}
value={speedDraft.displayValue}
suffix="x"
scrubRanges={[
{ from: 0.01, to: 1, pixelsPerUnit: 160 },
{ from: 1, to: 5, pixelsPerUnit: 48 },
]}
scrubClamp={{ min: MIN_RETIME_RATE, max: MAX_RETIME_RATE }}
onFocus={() => {
pendingRateRef.current = rate;
speedDraft.onFocus();
}}
onChange={speedDraft.onChange}
onBlur={speedDraft.onBlur}
onScrub={speedDraft.scrubTo}
onScrubEnd={speedDraft.commitScrub}
onReset={() =>
applyRetime({ rate: DEFAULT_RETIME_RATE, maintainPitch })
}
isDefault={rate === DEFAULT_RETIME_RATE}
/>
</SectionField>
<div className="flex items-center justify-between">
<span className="text-sm">Change pitch</span>
<Switch
checked={!maintainPitch}
disabled={!maintainPitchAvailable}
onCheckedChange={(checked) =>
applyRetime({ rate, maintainPitch: !checked })
}
/>
</div>
</SectionFields>
</SectionContent>
</Section>
);
}
|
