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browser(webkit): dedupe screencast frames (mac) (#9387)

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Pavel Feldman 2021-10-07 20:51:32 -08:00 committed by GitHub
parent e3256ee5d5
commit 7e4ef2e202
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2 changed files with 16 additions and 7 deletions
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4
browser_patches/webkit/BUILD_NUMBER
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@ -1,2 +1,2 @@
1559
Changed: pavel.feldman@gmail.com Thu 07 Oct 2021 06:57:27 PM PDT
1560
Changed: pavel.feldman@gmail.com Thu Oct 7 20:42:12 PDT 2021

19
browser_patches/webkit/patches/bootstrap.diff
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@ -13438,10 +13438,10 @@ index 0000000000000000000000000000000000000000..4ec8b96bbbddf8a7b042f53a8068754a
+cairo_status_t cairo_image_surface_write_to_jpeg_mem(cairo_surface_t *sfc, unsigned char **data, size_t *len, int quality);
diff --git a/Source/WebKit/UIProcess/Inspector/Agents/InspectorScreencastAgent.cpp b/Source/WebKit/UIProcess/Inspector/Agents/InspectorScreencastAgent.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..9a1547d6ad27f58d8276b657c6c7190ebc6b75dc
index 0000000000000000000000000000000000000000..aebef768c2dbe9e41a6673284cf0cf3faa5bc66a
--- /dev/null
+++ b/Source/WebKit/UIProcess/Inspector/Agents/InspectorScreencastAgent.cpp
@@ -0,0 +1,284 @@
@@ -0,0 +1,293 @@
+/*
+ * Copyright (C) 2020 Microsoft Corporation.
+ *
@ -13705,9 +13705,18 @@ index 0000000000000000000000000000000000000000..9a1547d6ad27f58d8276b657c6c7190e
+ scaledImageRef = adoptCF(CGBitmapContextCreateImage(context.get()));
+ imagePtr = scaledImageRef.get();
+ }
+ String base64Data = base64EncodeToString(WebCore::data(imagePtr, WebCore::jpegUTI(), m_screencastQuality * 0.1));
+ ++m_screencastFramesInFlight;
+ m_frontendDispatcher->screencastFrame(base64Data, displaySize.width(), displaySize.height());
+ auto data = WebCore::data(imagePtr, WebCore::jpegUTI(), m_screencastQuality * 0.1);
+
+ // Do not send the same frame over and over.
+ auto cryptoDigest = PAL::CryptoDigest::create(PAL::CryptoDigest::Algorithm::SHA_1);
+ cryptoDigest->addBytes(data.data(), data.size());
+ auto digest = cryptoDigest->computeHash();
+ if (m_lastFrameDigest != digest) {
+ String base64Data = base64EncodeToString(data);
+ ++m_screencastFramesInFlight;
+ m_frontendDispatcher->screencastFrame(base64Data, displaySize.width(), displaySize.height());
+ m_lastFrameDigest = digest;
+ }
+ }
+ if (m_encoder)
+ m_encoder->encodeFrame(WTFMove(imageRef));