1 files changed, 113 insertions, 0 deletions
diff --git a/dom/media/Benchmark.h b/dom/media/Benchmark.h
new file mode 100644
index 000000000..bb14751f4
--- /dev/null
+++ b/dom/media/Benchmark.h
@@ -0,0 +1,113 @@
+/* -*- 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 "QueueObject.h"
+#include "PlatformDecoderModule.h"
+#include "mozilla/RefPtr.h"
+#include "mozilla/TaskQueue.h"
+#include "mozilla/TimeStamp.h"
+#include "nsCOMPtr.h"
+
+namespace mozilla {
+
+class TaskQueue;
+class Benchmark;
+
+class BenchmarkPlayback : public QueueObject, private MediaDataDecoderCallback
+{
+  friend class Benchmark;
+  explicit BenchmarkPlayback(Benchmark* aMainThreadState, MediaDataDemuxer* aDemuxer);
+  void DemuxSamples();
+  void DemuxNextSample();
+  void MainThreadShutdown();
+  void InitDecoder(TrackInfo&& aInfo);
+
+  // MediaDataDecoderCallback
+  // Those methods are called on the MediaDataDecoder's task queue.
+  void Output(MediaData* aData) override;
+  void Error(const MediaResult& aError) override;
+  void InputExhausted() override;
+  void DrainComplete() override;
+  bool OnReaderTaskQueue() override;
+
+  Atomic<Benchmark*> mMainThreadState;
+
+  RefPtr<TaskQueue> mDecoderTaskQueue;
+  RefPtr<MediaDataDecoder> mDecoder;
+
+  // Object only accessed on Thread()
+  RefPtr<MediaDataDemuxer> mDemuxer;
+  RefPtr<MediaTrackDemuxer> mTrackDemuxer;
+  nsTArray<RefPtr<MediaRawData>> mSamples;
+  size_t mSampleIndex;
+  TimeStamp mDecodeStartTime;
+  uint32_t mFrameCount;
+  bool mFinished;
+};
+
+// 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(-1)
+      , mStartupFrame(1)
+      , mTimeout(TimeDuration::Forever()) {}
+
+    Parameters(int32_t aFramesToMeasure,
+               uint32_t aStartupFrame,
+               int32_t aStopAtFrame,
+               const TimeDuration& aTimeout)
+      : mFramesToMeasure(aFramesToMeasure)
+      , mStartupFrame(aStartupFrame)
+      , mStopAtFrame(Some(aStopAtFrame))
+      , mTimeout(aTimeout) {}
+
+    const int32_t mFramesToMeasure;
+    const uint32_t mStartupFrame;
+    const Maybe<int32_t> mStopAtFrame;
+    const TimeDuration mTimeout;
+  };
+
+  typedef MozPromise<uint32_t, bool, /* IsExclusive = */ true> BenchmarkPromise;
+
+  explicit Benchmark(MediaDataDemuxer* aDemuxer, const Parameters& aParameters = Parameters());
+  RefPtr<BenchmarkPromise> Run();
+
+  static void Init();
+
+private:
+  friend class BenchmarkPlayback;
+  virtual ~Benchmark();
+  void ReturnResult(uint32_t aDecodeFps);
+  void Dispose();
+  const Parameters mParameters;
+  RefPtr<Benchmark> mKeepAliveUntilComplete;
+  BenchmarkPlayback mPlaybackState;
+  MozPromiseHolder<BenchmarkPromise> mPromise;
+};
+
+class VP9Benchmark
+{
+public:
+  static bool IsVP9DecodeFast();
+  static const char* sBenchmarkFpsPref;
+  static const char* sBenchmarkFpsVersionCheck;
+  static const uint32_t sBenchmarkVersionID;
+  static bool sHasRunTest;
+};
+}
+
+#endif