1 files changed, 119 insertions, 0 deletions
diff --git a/dom/media/Benchmark.h b/dom/media/Benchmark.h
new file mode 100644
index 0000000000..b76942edc5
--- /dev/null
+++ b/dom/media/Benchmark.h
@@ -0,0 +1,119 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef MOZILLA_BENCHMARK_H
+#define MOZILLA_BENCHMARK_H
+
+#include "MediaDataDemuxer.h"
+#include "PlatformDecoderModule.h"
+#include "QueueObject.h"
+#include "mozilla/Maybe.h"
+#include "mozilla/RefPtr.h"
+#include "mozilla/TimeStamp.h"
+#include "mozilla/UniquePtr.h"
+#include "nsCOMPtr.h"
+
+namespace mozilla {
+
+class TaskQueue;
+class Benchmark;
+
+class BenchmarkPlayback : public QueueObject {
+  friend class Benchmark;
+  BenchmarkPlayback(Benchmark* aGlobalState, MediaDataDemuxer* aDemuxer);
+  void DemuxSamples();
+  void DemuxNextSample();
+  void GlobalShutdown();
+  void InitDecoder(UniquePtr<TrackInfo>&& aInfo);
+
+  void Output(MediaDataDecoder::DecodedData&& aResults);
+  void Error(const MediaResult& aError);
+  void InputExhausted();
+
+  // Shutdown trackdemuxer and demuxer if any and shutdown the task queues.
+  void FinalizeShutdown();
+
+  Atomic<Benchmark*> mGlobalState;
+
+  RefPtr<TaskQueue> mDecoderTaskQueue;
+  RefPtr<MediaDataDecoder> mDecoder;
+
+  // Object only accessed on Thread()
+  RefPtr<MediaDataDemuxer> mDemuxer;
+  RefPtr<MediaTrackDemuxer> mTrackDemuxer;
+  nsTArray<RefPtr<MediaRawData>> mSamples;
+  UniquePtr<TrackInfo> mInfo;
+  size_t mSampleIndex;
+  Maybe<TimeStamp> mDecodeStartTime;
+  uint32_t mFrameCount;
+  bool mFinished;
+  bool mDrained;
+};
+
+// Init() must have been called at least once prior on the
+// main thread.
+class Benchmark : public QueueObject {
+ public:
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(Benchmark)
+
+  struct Parameters {
+    Parameters()
+        : mFramesToMeasure(UINT32_MAX),
+          mStartupFrame(1),
+          mTimeout(TimeDuration::Forever()) {}
+
+    Parameters(uint32_t aFramesToMeasure, uint32_t aStartupFrame,
+               uint32_t aStopAtFrame, const TimeDuration& aTimeout)
+        : mFramesToMeasure(aFramesToMeasure),
+          mStartupFrame(aStartupFrame),
+          mStopAtFrame(Some(aStopAtFrame)),
+          mTimeout(aTimeout) {}
+
+    const uint32_t mFramesToMeasure;
+    const uint32_t mStartupFrame;
+    const Maybe<uint32_t> mStopAtFrame;
+    const TimeDuration mTimeout;
+  };
+
+  typedef MozPromise<uint32_t, MediaResult, /* IsExclusive = */ true>
+      BenchmarkPromise;
+
+  explicit Benchmark(MediaDataDemuxer* aDemuxer,
+                     const Parameters& aParameters = Parameters());
+  RefPtr<BenchmarkPromise> Run();
+
+  // Must be called on the main thread.
+  static void Init();
+
+ private:
+  friend class BenchmarkPlayback;
+  virtual ~Benchmark();
+  void ReturnResult(uint32_t aDecodeFps);
+  void ReturnError(const MediaResult& aError);
+  void Dispose();
+  const Parameters mParameters;
+  RefPtr<Benchmark> mKeepAliveUntilComplete;
+  BenchmarkPlayback mPlaybackState;
+  MozPromiseHolder<BenchmarkPromise> mPromise;
+};
+
+class VP9Benchmark {
+ public:
+  static bool IsVP9DecodeFast(bool aDefault = false);
+  static const char* sBenchmarkFpsPref;
+  static const char* sBenchmarkFpsVersionCheck;
+  static const uint32_t sBenchmarkVersionID;
+  static bool sHasRunTest;
+  // Return the value of media.benchmark.vp9.fps preference (which will be 0 if
+  // not known)
+  static uint32_t MediaBenchmarkVp9Fps();
+
+ private:
+  static bool ShouldRun();
+};
+}  // namespace mozilla
+
+#endif