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feat: improve image quality params

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This commit is contained in:
Rohit
2025-03-20 23:14:07 +05:30
parent 3a1a6768f4
commit 6533ce018e
1 changed files with 35 additions and 13 deletions
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48
server/src/browser-management/classes/RemoteBrowser.ts
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@@ -39,7 +39,7 @@ const SCREENCAST_CONFIG: {
maxWidth: 1280,
maxHeight: 720,
targetFPS: 30,
compressionQuality: 0.8,
compressionQuality: 0.95,
maxQueueSize: 2
};
@@ -255,6 +255,8 @@ export class RemoteBrowser {
"--disable-extensions",
"--no-sandbox",
"--disable-dev-shm-usage",
"--force-color-profile=srgb",
"--force-device-scale-factor=2",
],
}));
const proxyConfig = await getDecryptedProxyConfig(userId);
@@ -532,14 +534,17 @@ export class RemoteBrowser {
try {
return await sharp(screenshot)
.png({
quality: Math.round(SCREENCAST_CONFIG.compressionQuality * 100),
progressive: true
quality: Math.round(SCREENCAST_CONFIG.compressionQuality * 100),
compressionLevel: 3,
adaptiveFiltering: true,
force: true
})
.resize({
width: SCREENCAST_CONFIG.maxWidth,
height: SCREENCAST_CONFIG.maxHeight,
fit: 'inside',
withoutEnlargement: true
withoutEnlargement: true,
kernel: sharp.kernel.mitchell
})
.toBuffer();
} catch (error) {
@@ -701,6 +706,9 @@ export class RemoteBrowser {
try {
await this.client.send('Page.startScreencast', {
format: SCREENCAST_CONFIG.format,
quality: Math.round(SCREENCAST_CONFIG.compressionQuality * 100),
maxWidth: SCREENCAST_CONFIG.maxWidth,
maxHeight: SCREENCAST_CONFIG.maxHeight,
});
// Set flag to indicate screencast is active
this.isScreencastActive = true;
@@ -753,27 +761,41 @@ export class RemoteBrowser {
}
return;
}
this.isProcessingScreenshot = true;
try {
const optimizedScreenshot = await this.optimizeScreenshot(payload);
const optimizationPromise = this.optimizeScreenshot(payload);
const timeoutPromise = new Promise<Buffer>((resolve) => {
setTimeout(() => resolve(payload), 100);
});
const optimizedScreenshot = await Promise.race([optimizationPromise, timeoutPromise]);
const base64Data = optimizedScreenshot.toString('base64');
const dataWithMimeType = `data:image/jpeg;base64,${base64Data}`;
// Emit with user context to ensure the frontend can identify which browser's screenshot this is
const dataWithMimeType = `data:image/png;base64,${base64Data}`;
this.socket.emit('screencast', {
image: dataWithMimeType,
userId: this.userId,
viewport: viewportSize || await this.currentPage?.viewportSize() || null
});
logger.debug('Screenshot emitted');
} catch (error) {
logger.error('Screenshot emission failed:', error);
try {
const base64Data = payload.toString('base64');
const dataWithMimeType = `data:image/png;base64,${base64Data}`;
this.socket.emit('screencast', {
image: dataWithMimeType,
userId: this.userId,
viewport: viewportSize || await this.currentPage?.viewportSize() || null
});
} catch (e) {
logger.error('Fallback screenshot emission also failed:', e);
}
} finally {
this.isProcessingScreenshot = false;
if (this.screenshotQueue.length > 0) {
const nextScreenshot = this.screenshotQueue.shift();
if (nextScreenshot) {