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feat: add platform export presets for YouTube, TikTok, Instagram, Twitter #765

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87 changes: 87 additions & 0 deletions apps/web/src/components/editor/export-button.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -23,8 +23,11 @@ import { Check, Copy, Download, RotateCcw } from "lucide-react";
import {
EXPORT_FORMAT_VALUES,
EXPORT_QUALITY_VALUES,
PLATFORM_PRESET_VALUES,
PLATFORM_PRESETS,
type ExportFormat,
type ExportQuality,
type PlatformPreset,
} from "@/lib/export";
import {
Section,
Expand All @@ -43,6 +46,12 @@ function isExportQuality(value: string): value is ExportQuality {
return EXPORT_QUALITY_VALUES.some((qualityValue) => qualityValue === value);
}

function isPlatformPreset(value: string): value is PlatformPreset {
return PLATFORM_PRESET_VALUES.some(
(presetValue) => presetValue === value,
);
}

export function ExportButton() {
const [isExportPopoverOpen, setIsExportPopoverOpen] = useState(false);
const editor = useEditor();
Expand Down Expand Up @@ -101,6 +110,8 @@ function ExportPopover({
const activeProject = useEditor((e) => e.project.getActive());
const exportState = useEditor((e) => e.project.getExportState());
const { isExporting, progress, result: exportResult } = exportState;
const [platformPreset, setPlatformPreset] =
useState<PlatformPreset>("custom");
const [format, setFormat] = useState<ExportFormat>(
DEFAULT_EXPORT_OPTIONS.format,
);
Expand All @@ -111,15 +122,32 @@ function ExportPopover({
DEFAULT_EXPORT_OPTIONS.includeAudio ?? true,
);

const handlePlatformPresetChange = (value: string) => {
if (!isPlatformPreset(value)) return;
setPlatformPreset(value);
if (value !== "custom") {
const preset = PLATFORM_PRESETS[value];
setFormat(preset.format);
setQuality(preset.quality);
}
};

const handleExport = async () => {
if (!activeProject) return;

const presetConfig =
platformPreset !== "custom"
? PLATFORM_PRESETS[platformPreset]
: undefined;

const result = await editor.project.export({
options: {
format,
quality,
fps: activeProject.settings.fps,
includeAudio: shouldIncludeAudio,
width: presetConfig?.width,
height: presetConfig?.height,
},
});

Expand Down Expand Up @@ -163,6 +191,63 @@ function ExportPopover({
{!isExporting && (
<>
<div className="flex flex-col">
<Section
collapsible
defaultOpen
showTopBorder={false}
>
<SectionHeader>
<SectionTitle>Platform</SectionTitle>
</SectionHeader>
<SectionContent>
<RadioGroup
value={platformPreset}
onValueChange={handlePlatformPresetChange}
>
<div className="flex items-center space-x-2">
<RadioGroupItem value="custom" id="custom" />
<Label htmlFor="custom">Custom</Label>
</div>
<div className="flex items-center space-x-2">
<RadioGroupItem value="youtube" id="youtube" />
<Label htmlFor="youtube">
{PLATFORM_PRESETS.youtube.label}
</Label>
</div>
<div className="flex items-center space-x-2">
<RadioGroupItem value="tiktok" id="tiktok" />
<Label htmlFor="tiktok">
{PLATFORM_PRESETS.tiktok.label}
</Label>
</div>
<div className="flex items-center space-x-2">
<RadioGroupItem
value="instagram_reels"
id="instagram_reels"
/>
<Label htmlFor="instagram_reels">
{PLATFORM_PRESETS.instagram_reels.label}
</Label>
</div>
<div className="flex items-center space-x-2">
<RadioGroupItem
value="instagram_post"
id="instagram_post"
/>
<Label htmlFor="instagram_post">
{PLATFORM_PRESETS.instagram_post.label}
</Label>
</div>
<div className="flex items-center space-x-2">
<RadioGroupItem value="twitter" id="twitter" />
<Label htmlFor="twitter">
{PLATFORM_PRESETS.twitter.label}
</Label>
</div>
</RadioGroup>
</SectionContent>
</Section>

<Section
collapsible
defaultOpen={false}
Expand All @@ -177,6 +262,7 @@ function ExportPopover({
onValueChange={(value) => {
if (isExportFormat(value)) {
setFormat(value);
setPlatformPreset("custom");
}
}}
>
Expand Down Expand Up @@ -206,6 +292,7 @@ function ExportPopover({
onValueChange={(value) => {
if (isExportQuality(value)) {
setQuality(value);
setPlatformPreset("custom");
}
}}
>
Expand Down
7 changes: 5 additions & 2 deletions apps/web/src/core/managers/renderer-manager.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -136,7 +136,7 @@ export class RendererManager {
onProgress?: ({ progress }: { progress: number }) => void;
onCancel?: () => boolean;
}): Promise<ExportResult> {
const { format, quality, fps, includeAudio } = options;
const { format, quality, fps, includeAudio, width: overrideWidth, height: overrideHeight } = options;

try {
const tracks = this.editor.scenes.getActiveScene().tracks;
Expand All @@ -153,7 +153,10 @@ export class RendererManager {
}

const exportFps = fps ?? activeProject.settings.fps;
const canvasSize = activeProject.settings.canvasSize;
const canvasSize = {
width: overrideWidth ?? activeProject.settings.canvasSize.width,
height: overrideHeight ?? activeProject.settings.canvasSize.height,
};

let audioBuffer: AudioBuffer | null = null;
if (includeAudio) {
Expand Down
62 changes: 62 additions & 0 deletions apps/web/src/lib/export.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -13,11 +13,73 @@ export const EXPORT_FORMAT_VALUES = ["mp4", "webm"] as const;
export type ExportFormat = (typeof EXPORT_FORMAT_VALUES)[number];
export type ExportQuality = (typeof EXPORT_QUALITY_VALUES)[number];

export const PLATFORM_PRESET_VALUES = [
"custom",
"youtube",
"tiktok",
"instagram_reels",
"instagram_post",
"twitter",
] as const;

export type PlatformPreset = (typeof PLATFORM_PRESET_VALUES)[number];

export interface PlatformPresetConfig {
label: string;
width: number;
height: number;
format: ExportFormat;
quality: ExportQuality;
}
Comment on lines +27 to +33
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@coderabbitai coderabbitai Bot Apr 13, 2026

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⚠️ Potential issue | 🟡 Minor

Platform presets are missing the fps field specified in requirements.

The PR objectives specify fps values for each platform (YouTube 30/60 fps, TikTok 30 fps, Instagram Reels 30 fps), but PlatformPresetConfig doesn't include an fps field. Currently, exports will use the project's fps setting rather than the platform-recommended fps.

Consider adding fps to the preset config:

Suggested change 
+import type { FrameRate } from "opencut-wasm";
+
 export interface PlatformPresetConfig {
 	label: string;
 	width: number;
 	height: number;
 	format: ExportFormat;
 	quality: ExportQuality;
+	fps?: FrameRate;
 }
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
export interface PlatformPresetConfig {
label: string;
width: number;
height: number;
format: ExportFormat;
quality: ExportQuality;
}
import type { FrameRate } from "opencut-wasm";
export interface PlatformPresetConfig {
label: string;
width: number;
height: number;
format: ExportFormat;
quality: ExportQuality;
fps?: FrameRate;
}
🤖 Prompt for AI Agents 
Verify each finding against the current code and only fix it if needed.

In `@apps/web/src/lib/export.ts` around lines 27 - 33, PlatformPresetConfig lacks
the fps field required by the PR; add fps: number to the PlatformPresetConfig
interface and update every preset definition to include the platform-recommended
fps (e.g., YouTube 30/60, TikTok 30, Instagram Reels 30). Then update any code
that builds export settings from a preset (places that consume
PlatformPresetConfig—look for usages alongside width/height/format/quality) to
read preset.fps instead of falling back to project fps, and fix TypeScript
errors by adjusting types and tests accordingly.


export const PLATFORM_PRESETS: Record<
Exclude<PlatformPreset, "custom">,
PlatformPresetConfig
> = {
youtube: {
label: "YouTube (1920x1080)",
width: 1920,
height: 1080,
format: "mp4",
quality: "very_high",
},
tiktok: {
label: "TikTok (1080x1920)",
width: 1080,
height: 1920,
format: "mp4",
quality: "high",
},
instagram_reels: {
label: "Instagram Reels (1080x1920)",
width: 1080,
height: 1920,
format: "mp4",
quality: "high",
},
instagram_post: {
label: "Instagram Post (1080x1080)",
width: 1080,
height: 1080,
format: "mp4",
quality: "high",
},
twitter: {
label: "Twitter/X (1280x720)",
width: 1280,
height: 720,
format: "mp4",
quality: "high",
},
};

export interface ExportOptions {
format: ExportFormat;
quality: ExportQuality;
fps?: FrameRate;
includeAudio?: boolean;
width?: number;
height?: number;
}

export interface ExportResult {
Expand Down