Source code

Revision control

Other Tools

/* -*- 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 */
#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 {
struct Parameters {
: mFramesToMeasure(UINT32_MAX),
mTimeout(TimeDuration::Forever()) {}
Parameters(uint32_t aFramesToMeasure, uint32_t aStartupFrame,
uint32_t aStopAtFrame, const TimeDuration& aTimeout)
: mFramesToMeasure(aFramesToMeasure),
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>
explicit Benchmark(MediaDataDemuxer* aDemuxer,
const Parameters& aParameters = Parameters());
RefPtr<BenchmarkPromise> Run();
// Must be called on the main thread.
static void Init();
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 {
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();
static bool ShouldRun();
} // namespace mozilla