--- a/dom/media/mediasink/VideoSink.cpp
+++ b/dom/media/mediasink/VideoSink.cpp
@@ -19,16 +19,20 @@ extern LazyLogModule gMediaDecoderLog;
 #define VSINK_LOG(x, ...)   MOZ_LOG(gMediaDecoderLog, LogLevel::Debug,   (FMT(x, ##__VA_ARGS__)))
 #define VSINK_LOG_V(x, ...) MOZ_LOG(gMediaDecoderLog, LogLevel::Verbose, (FMT(x, ##__VA_ARGS__)))
 #define DUMP_LOG(x, ...) NS_DebugBreak(NS_DEBUG_WARNING, nsPrintfCString(FMT(x, ##__VA_ARGS__)).get(), nullptr, nullptr, -1)
 
 using namespace mozilla::layers;
 
 namespace media {
 
+// Minimum update frequency is 1/120th of a second, i.e. half the
+// duration of a 60-fps frame.
+static const int64_t MIN_UPDATE_INTERVAL_US = 1000000 / (60 * 2);
+
 VideoSink::VideoSink(AbstractThread* aThread,
                      MediaSink* aAudioSink,
                      MediaQueue<MediaData>& aVideoQueue,
                      VideoFrameContainer* aContainer,
                      FrameStatistics& aFrameStats,
                      uint32_t aVQueueSentToCompositerSize)
   : mOwnerThread(aThread)
   , mAudioSink(aAudioSink)
@@ -436,18 +440,19 @@ VideoSink::UpdateRenderedVideoFrames()
   // we will run render loops again upon incoming frames.
   nsTArray<RefPtr<MediaData>> frames;
   VideoQueue().GetFirstElements(2, &frames);
   if (frames.Length() < 2) {
     return;
   }
 
   int64_t nextFrameTime = frames[1]->mTime;
+  int64_t delta = std::max<int64_t>((nextFrameTime - clockTime), MIN_UPDATE_INTERVAL_US);
   TimeStamp target = nowTime + TimeDuration::FromMicroseconds(
-    (nextFrameTime - clockTime) / mAudioSink->GetPlaybackParams().mPlaybackRate);
+     delta / mAudioSink->GetPlaybackParams().mPlaybackRate);
 
   RefPtr<VideoSink> self = this;
   mUpdateScheduler.Ensure(target, [self] () {
     self->UpdateRenderedVideoFramesByTimer();
   }, [self] () {
     self->UpdateRenderedVideoFramesByTimer();
   });
 }