From 2a6f4b1d5f6816146ed5b2f32ec54182eab546e5 Mon Sep 17 00:00:00 2001
From: Nick Shirokov <nick_4312@mail.ru>
Date: Sun, 1 Mar 2026 12:32:39 +0300
Subject: [PATCH] fix(web-test): correct video brightness via color_range flag

JPEG frames from CDP screencast use full range (0-255) but H.264
defaults to limited range (16-235). Add -color_range pc to preserve
full range in output MP4, fixing washed-out/bright appearance.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 .claude/skills/web-test/scripts/browser.mjs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.claude/skills/web-test/scripts/browser.mjs b/.claude/skills/web-test/scripts/browser.mjs
index 179e374b..748d6b3d 100644
--- a/.claude/skills/web-test/scripts/browser.mjs
+++ b/.claude/skills/web-test/scripts/browser.mjs
@@ -2430,6 +2430,7 @@ export async function startRecording(outputPath, opts = {}) {
     '-c:v', 'libx264',            // H.264 codec
     '-preset', 'ultrafast',        // fast encoding
     '-pix_fmt', 'yuv420p',        // broad compatibility
+    '-color_range', 'pc',          // full range (0-255) — match JPEG input
     '-movflags', '+faststart',     // web-friendly MP4
     resolvedPath
   ], { stdio: ['pipe', 'ignore', 'pipe'] });