Patch-Source: https://github.com/chimera-linux/cports/blob/899c997/contrib/thunderbird/patches/llvm18.patch
--- a/dom/media/webrtc/libwebrtcglue/WebrtcGmpVideoCodec.cpp
+++ b/dom/media/webrtc/libwebrtcglue/WebrtcGmpVideoCodec.cpp
@@ -540,7 +540,7 @@
 
   webrtc::VideoFrameType ft;
   GmpFrameTypeToWebrtcFrameType(aEncodedFrame->FrameType(), &ft);
-  uint32_t timestamp = (aEncodedFrame->TimeStamp() * 90ll + 999) / 1000;
+  uint64_t timestamp = (aEncodedFrame->TimeStamp() * 90ll + 999) / 1000;
 
   GMP_LOG_DEBUG("GMP Encoded: %" PRIu64 ", type %d, len %d",
                 aEncodedFrame->TimeStamp(), aEncodedFrame->BufferType(),
--- a/dom/media/webrtc/libwebrtcglue/WebrtcGmpVideoCodec.h
+++ b/dom/media/webrtc/libwebrtcglue/WebrtcGmpVideoCodec.h
@@ -302,7 +302,7 @@
     int64_t timestamp_us;
   };
   // Map rtp time -> input image data
-  DataMutex<std::map<uint32_t, InputImageData>> mInputImageMap;
+  DataMutex<std::map<uint64_t, InputImageData>> mInputImageMap;
 
   MediaEventProducer<uint64_t> mInitPluginEvent;
   MediaEventProducer<uint64_t> mReleasePluginEvent;