64 lines
1.7 KiB
TypeScript
64 lines
1.7 KiB
TypeScript
export type VideoCanvasMotionMention = {
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custom: boolean;
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id: string;
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index: number;
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label: string;
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motionId: string;
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offset: number;
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previewUrl: string;
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prompt: string;
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};
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function normalizeMotionMentionId(value: unknown) {
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return String(value || "")
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.trim()
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.replace(/[^A-Za-z0-9_-]+/g, "-")
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.slice(0, 120);
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}
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export function normalizeVideoCanvasMotionMentions(
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value: unknown,
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): VideoCanvasMotionMention[] {
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if (!Array.isArray(value)) return [];
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return value.slice(0, 100).flatMap((item, position) => {
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if (!item || typeof item !== "object") return [];
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const record = item as Record<string, unknown>;
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const label = String(record.label || "").trim().slice(0, 100);
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if (!label) return [];
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const motionId =
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normalizeMotionMentionId(record.motionId) || `motion-${position + 1}`;
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return [{
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custom: record.custom === true,
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id:
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normalizeMotionMentionId(record.id) ||
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`motion-mention-${motionId}-${position + 1}`,
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index: Math.max(
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1,
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Math.min(100, Math.round(Number(record.index) || position + 1)),
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),
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label,
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motionId,
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offset: Math.max(0, Math.round(Number(record.offset) || 0)),
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previewUrl: String(record.previewUrl || "").trim().slice(0, 4096),
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prompt: String(record.prompt || label).trim().slice(0, 2000) || label,
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}];
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});
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}
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export function composeVideoCanvasMotionPrompt(
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prompt: string,
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motionMentions: VideoCanvasMotionMention[],
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) {
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return [
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String(prompt || "").trim(),
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...motionMentions.map((mention) => {
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const instruction = mention.prompt.trim() || mention.label;
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return `运镜要求「${mention.label}」：${instruction}`;
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}),
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]
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.filter(Boolean)
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.join(" ");
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}
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