From ce4e485d1b1e9d4e223890ee0fc2475a1ad71bc3 Mon Sep 17 00:00:00 2001
From: jrandolf <101637635+jrandolf@users.noreply.github.com>
Date: Tue, 31 Oct 2023 12:39:16 +0100
Subject: [PATCH] fix: ignore unordered frames (#11283)

---
 packages/puppeteer-core/src/node/ScreenRecorder.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/puppeteer-core/src/node/ScreenRecorder.ts b/packages/puppeteer-core/src/node/ScreenRecorder.ts
index ad284612d3b..4096d1ca48f 100644
--- a/packages/puppeteer-core/src/node/ScreenRecorder.ts
+++ b/packages/puppeteer-core/src/node/ScreenRecorder.ts
@@ -177,7 +177,9 @@ export class ScreenRecorder extends PassThrough {
         concatMap(([{timestamp: previousTimestamp, buffer}, {timestamp}]) => {
           return from(
             Array<Buffer>(
-              Math.round(DEFAULT_FPS * (timestamp - previousTimestamp))
+              Math.round(
+                DEFAULT_FPS * Math.max(timestamp - previousTimestamp, 0)
+              )
             ).fill(buffer)
           );
         }),