gecko-dev/dom/media/Benchmark.h

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/* -*- 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 "nsCOMPtr.h"
namespace mozilla {
class TaskQueue;
class Benchmark;
class BenchmarkPlayback : public QueueObject
{
friend class Benchmark;
BenchmarkPlayback(Benchmark* aMainThreadState, MediaDataDemuxer* aDemuxer);
void DemuxSamples();
void DemuxNextSample();
void MainThreadShutdown();
void InitDecoder(TrackInfo&& aInfo);
void Output(const MediaDataDecoder::DecodedData& aResults);
void InputExhausted();
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;
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(-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