зеркало из https://github.com/mozilla/gecko-dev.git
3387 строки
103 KiB
C++
3387 строки
103 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "MediaFormatReader.h"
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#include "AutoTaskQueue.h"
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#include "Layers.h"
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#include "MediaData.h"
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#include "MediaDecoderOwner.h"
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#include "MediaInfo.h"
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#include "MediaResource.h"
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#include "VideoFrameContainer.h"
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#include "VideoUtils.h"
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#include "mozilla/AbstractThread.h"
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#include "mozilla/CDMProxy.h"
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#include "mozilla/ClearOnShutdown.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/SharedThreadPool.h"
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#include "mozilla/SyncRunnable.h"
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#include "mozilla/Telemetry.h"
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#include "mozilla/Unused.h"
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#include "nsContentUtils.h"
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#include "nsPrintfCString.h"
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#include <algorithm>
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#include <map>
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#include <queue>
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using namespace mozilla::media;
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using mozilla::layers::Image;
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using mozilla::layers::LayerManager;
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using mozilla::layers::LayersBackend;
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static mozilla::LazyLogModule sFormatDecoderLog("MediaFormatReader");
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mozilla::LazyLogModule gMediaDemuxerLog("MediaDemuxer");
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#define LOG(arg, ...) MOZ_LOG(sFormatDecoderLog, mozilla::LogLevel::Debug, ("MediaFormatReader(%p)::%s: " arg, this, __func__, ##__VA_ARGS__))
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#define LOGV(arg, ...) MOZ_LOG(sFormatDecoderLog, mozilla::LogLevel::Verbose, ("MediaFormatReader(%p)::%s: " arg, this, __func__, ##__VA_ARGS__))
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#define NS_DispatchToMainThread(...) CompileError_UseAbstractMainThreadInstead
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namespace mozilla {
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typedef void* MediaDataDecoderID;
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/**
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* This helper class is used to report telemetry of the time used to recover a
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* decoder from GPU crash.
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* It uses MediaDecoderOwnerID to identify which video we're dealing with.
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* It uses MediaDataDecoderID to make sure that the old MediaDataDecoder has
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* been deleted and we're already recovered.
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* It reports two recovery times, one is calculated from GPU crashed (that is,
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* the time when VideoDecoderChild::ActorDestory() is called) and the other is
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* calculated from the MFR is notified with NS_ERROR_DOM_MEDIA_NEED_NEW_DECODER
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* error.
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*/
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class GPUProcessCrashTelemetryLogger
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{
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struct GPUCrashData
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{
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GPUCrashData(MediaDataDecoderID aMediaDataDecoderID,
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mozilla::TimeStamp aGPUCrashTime,
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mozilla::TimeStamp aErrorNotifiedTime)
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: mMediaDataDecoderID(aMediaDataDecoderID)
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, mGPUCrashTime(aGPUCrashTime)
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, mErrorNotifiedTime(aErrorNotifiedTime)
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{
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MOZ_ASSERT(mMediaDataDecoderID);
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MOZ_ASSERT(!mGPUCrashTime.IsNull());
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MOZ_ASSERT(!mErrorNotifiedTime.IsNull());
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}
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MediaDataDecoderID mMediaDataDecoderID;
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mozilla::TimeStamp mGPUCrashTime;
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mozilla::TimeStamp mErrorNotifiedTime;
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};
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public:
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static void
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RecordGPUCrashData(MediaDecoderOwnerID aMediaDecoderOwnerID,
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MediaDataDecoderID aMediaDataDecoderID,
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const TimeStamp& aGPUCrashTime,
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const TimeStamp& aErrorNotifiedTime)
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{
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MOZ_ASSERT(aMediaDecoderOwnerID);
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MOZ_ASSERT(aMediaDataDecoderID);
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MOZ_ASSERT(!aGPUCrashTime.IsNull());
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MOZ_ASSERT(!aErrorNotifiedTime.IsNull());
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StaticMutexAutoLock lock(sGPUCrashMapMutex);
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auto it = sGPUCrashDataMap.find(aMediaDecoderOwnerID);
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if (it == sGPUCrashDataMap.end()) {
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sGPUCrashDataMap.insert(std::make_pair(aMediaDecoderOwnerID,
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GPUCrashData(aMediaDataDecoderID,
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aGPUCrashTime,
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aErrorNotifiedTime)));
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}
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}
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static void
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ReportTelemetry(MediaDecoderOwnerID aMediaDecoderOwnerID,
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MediaDataDecoderID aMediaDataDecoderID)
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{
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MOZ_ASSERT(aMediaDecoderOwnerID);
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MOZ_ASSERT(aMediaDataDecoderID);
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StaticMutexAutoLock lock(sGPUCrashMapMutex);
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auto it = sGPUCrashDataMap.find(aMediaDecoderOwnerID);
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if (it != sGPUCrashDataMap.end() &&
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it->second.mMediaDataDecoderID != aMediaDataDecoderID) {
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Telemetry::AccumulateTimeDelta(
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Telemetry::VIDEO_HW_DECODER_CRASH_RECOVERY_TIME_SINCE_GPU_CRASHED_MS,
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it->second.mGPUCrashTime);
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Telemetry::AccumulateTimeDelta(
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Telemetry::VIDEO_HW_DECODER_CRASH_RECOVERY_TIME_SINCE_MFR_NOTIFIED_MS,
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it->second.mErrorNotifiedTime);
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sGPUCrashDataMap.erase(aMediaDecoderOwnerID);
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}
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}
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private:
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static std::map<MediaDecoderOwnerID, GPUCrashData> sGPUCrashDataMap;
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static StaticMutex sGPUCrashMapMutex;
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};
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std::map<MediaDecoderOwnerID, GPUProcessCrashTelemetryLogger::GPUCrashData>
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GPUProcessCrashTelemetryLogger::sGPUCrashDataMap;
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StaticMutex GPUProcessCrashTelemetryLogger::sGPUCrashMapMutex;
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/**
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* This is a singleton which controls the number of decoders that can be
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* created concurrently. Before calling PDMFactory::CreateDecoder(), Alloc()
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* must be called to get a token object as a permission to create a decoder.
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* The token should stay alive until Shutdown() is called on the decoder.
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* The destructor of the token will restore the decoder count so it is available
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* for next calls of Alloc().
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*/
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class GlobalAllocPolicy
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{
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using TrackType = TrackInfo::TrackType;
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public:
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class Token
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{
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(Token)
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protected:
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virtual ~Token() {}
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};
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using Promise = MozPromise<RefPtr<Token>, bool, true>;
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// Acquire a token for decoder creation. Thread-safe.
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auto Alloc() -> RefPtr<Promise>;
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// Called by ClearOnShutdown() to delete the singleton.
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void operator=(decltype(nullptr));
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// Get the singleton for the given track type. Thread-safe.
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static GlobalAllocPolicy& Instance(TrackType aTrack);
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private:
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class AutoDeallocToken;
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using PromisePrivate = Promise::Private;
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GlobalAllocPolicy();
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~GlobalAllocPolicy();
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// Called by the destructor of TokenImpl to restore the decoder limit.
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void Dealloc();
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// Decrement the decoder limit and resolve a promise if available.
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void ResolvePromise(ReentrantMonitorAutoEnter& aProofOfLock);
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// Protect access to Instance().
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static StaticMutex sMutex;
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ReentrantMonitor mMonitor;
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// The number of decoders available for creation.
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int mDecoderLimit;
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// Requests to acquire tokens.
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std::queue<RefPtr<PromisePrivate>> mPromises;
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};
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StaticMutex GlobalAllocPolicy::sMutex;
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class GlobalAllocPolicy::AutoDeallocToken : public Token
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{
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public:
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explicit AutoDeallocToken(GlobalAllocPolicy& aPolicy) : mPolicy(aPolicy) { }
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private:
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~AutoDeallocToken()
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{
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mPolicy.Dealloc();
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}
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GlobalAllocPolicy& mPolicy; // reference to a singleton object.
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};
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GlobalAllocPolicy::GlobalAllocPolicy()
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: mMonitor("DecoderAllocPolicy::mMonitor")
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, mDecoderLimit(MediaPrefs::MediaDecoderLimit())
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{
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SystemGroup::Dispatch(
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TaskCategory::Other,
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NS_NewRunnableFunction("GlobalAllocPolicy::GlobalAllocPolicy", [this]() {
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ClearOnShutdown(this, ShutdownPhase::ShutdownThreads);
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}));
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}
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GlobalAllocPolicy::~GlobalAllocPolicy()
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{
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while (!mPromises.empty()) {
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RefPtr<PromisePrivate> p = mPromises.front().forget();
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mPromises.pop();
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p->Reject(true, __func__);
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}
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}
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GlobalAllocPolicy&
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GlobalAllocPolicy::Instance(TrackType aTrack)
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{
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StaticMutexAutoLock lock(sMutex);
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if (aTrack == TrackType::kAudioTrack) {
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static auto sAudioPolicy = new GlobalAllocPolicy();
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return *sAudioPolicy;
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} else {
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static auto sVideoPolicy = new GlobalAllocPolicy();
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return *sVideoPolicy;
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}
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}
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auto
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GlobalAllocPolicy::Alloc() -> RefPtr<Promise>
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{
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// No decoder limit set.
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if (mDecoderLimit < 0) {
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return Promise::CreateAndResolve(new Token(), __func__);
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}
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ReentrantMonitorAutoEnter mon(mMonitor);
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RefPtr<PromisePrivate> p = new PromisePrivate(__func__);
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mPromises.push(p);
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ResolvePromise(mon);
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return p.forget();
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}
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void
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GlobalAllocPolicy::Dealloc()
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{
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ReentrantMonitorAutoEnter mon(mMonitor);
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++mDecoderLimit;
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ResolvePromise(mon);
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}
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void
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GlobalAllocPolicy::ResolvePromise(ReentrantMonitorAutoEnter& aProofOfLock)
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{
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MOZ_ASSERT(mDecoderLimit >= 0);
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if (mDecoderLimit > 0 && !mPromises.empty()) {
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--mDecoderLimit;
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RefPtr<PromisePrivate> p = mPromises.front().forget();
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mPromises.pop();
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p->Resolve(new AutoDeallocToken(*this), __func__);
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}
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}
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void
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GlobalAllocPolicy::operator=(std::nullptr_t)
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{
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delete this;
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}
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/**
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* This class addresses the concern of bug 1339310 comment 4 where the Widevine
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* CDM doesn't support running multiple instances of a video decoder at once per
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* CDM instance by sequencing the order of decoder creation and shutdown. Note
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* this class addresses a different concern from that of GlobalAllocPolicy which
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* controls a system-wide number of decoders while this class control a per-MFR
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* number (which is one per CDM requirement).
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*/
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class LocalAllocPolicy
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{
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using TrackType = TrackInfo::TrackType;
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using Promise = GlobalAllocPolicy::Promise;
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using Token = GlobalAllocPolicy::Token;
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(LocalAllocPolicy)
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public:
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LocalAllocPolicy(TrackType aTrack, TaskQueue* aOwnerThread)
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: mTrack(aTrack)
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, mOwnerThread(aOwnerThread)
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{
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}
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// Acquire a token for decoder creation. Note the resolved token will
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// aggregate a GlobalAllocPolicy token to comply to its policy. Note
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// this function shouldn't be called again until the returned promise
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// is resolved or rejected.
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RefPtr<Promise> Alloc();
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// Cancel the request to GlobalAllocPolicy and reject the current token
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// request. Note this must happen before mOwnerThread->BeginShutdown().
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void Cancel();
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private:
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/*
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* An RAII class to manage LocalAllocPolicy::mDecoderLimit.
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*/
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class AutoDeallocToken : public Token
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{
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public:
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explicit AutoDeallocToken(LocalAllocPolicy* aOwner)
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: mOwner(aOwner)
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{
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MOZ_DIAGNOSTIC_ASSERT(mOwner->mDecoderLimit > 0);
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--mOwner->mDecoderLimit;
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}
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// Aggregate a GlobalAllocPolicy token to present a single instance of
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// Token to the client so the client doesn't have to deal with
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// GlobalAllocPolicy and LocalAllocPolicy separately.
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void Append(Token* aToken)
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{
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mToken = aToken;
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}
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private:
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// Release tokens allocated from GlobalAllocPolicy and LocalAllocPolicy
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// and process next token request if any.
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~AutoDeallocToken()
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{
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mToken = nullptr; // Dealloc the global token.
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++mOwner->mDecoderLimit; // Dealloc the local token.
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mOwner->ProcessRequest(); // Process next pending request.
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}
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RefPtr<LocalAllocPolicy> mOwner;
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RefPtr<Token> mToken;
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};
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~LocalAllocPolicy() { }
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void ProcessRequest();
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int mDecoderLimit = 1;
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const TrackType mTrack;
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RefPtr<TaskQueue> mOwnerThread;
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MozPromiseHolder<Promise> mPendingPromise;
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MozPromiseRequestHolder<Promise> mTokenRequest;
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};
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RefPtr<LocalAllocPolicy::Promise>
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LocalAllocPolicy::Alloc()
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{
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MOZ_ASSERT(mOwnerThread->IsCurrentThreadIn());
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MOZ_DIAGNOSTIC_ASSERT(mPendingPromise.IsEmpty());
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RefPtr<Promise> p = mPendingPromise.Ensure(__func__);
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if (mDecoderLimit > 0) {
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ProcessRequest();
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}
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return p.forget();
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}
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void
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LocalAllocPolicy::ProcessRequest()
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{
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MOZ_ASSERT(mOwnerThread->IsCurrentThreadIn());
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MOZ_DIAGNOSTIC_ASSERT(mDecoderLimit > 0);
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// No pending request.
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if (mPendingPromise.IsEmpty()) {
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return;
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}
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RefPtr<AutoDeallocToken> token = new AutoDeallocToken(this);
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RefPtr<LocalAllocPolicy> self = this;
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GlobalAllocPolicy::Instance(mTrack).Alloc()->Then(
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mOwnerThread, __func__,
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[self, token](RefPtr<Token> aToken) {
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self->mTokenRequest.Complete();
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token->Append(aToken);
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self->mPendingPromise.Resolve(token, __func__);
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},
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[self, token]() {
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self->mTokenRequest.Complete();
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self->mPendingPromise.Reject(true, __func__);
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})->Track(mTokenRequest);
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}
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void
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LocalAllocPolicy::Cancel()
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{
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MOZ_ASSERT(mOwnerThread->IsCurrentThreadIn());
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mPendingPromise.RejectIfExists(true, __func__);
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mTokenRequest.DisconnectIfExists();
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}
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/**
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* This class tracks shutdown promises to ensure all decoders are shut down
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* completely before MFR continues the rest of the shutdown procedure.
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*/
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class MediaFormatReader::ShutdownPromisePool
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{
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public:
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ShutdownPromisePool()
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: mOnShutdownComplete(new ShutdownPromise::Private(__func__))
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{
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}
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// Return a promise which will be resolved when all the tracking promises
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// are resolved. Note no more promises should be added for tracking once
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// this function is called.
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RefPtr<ShutdownPromise> Shutdown();
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// Track a shutdown promise.
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void Track(RefPtr<ShutdownPromise> aPromise);
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// Shut down a decoder and track its shutdown promise.
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void ShutdownDecoder(already_AddRefed<MediaDataDecoder> aDecoder)
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{
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Track(RefPtr<MediaDataDecoder>(aDecoder)->Shutdown());
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}
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private:
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bool mShutdown = false;
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const RefPtr<ShutdownPromise::Private> mOnShutdownComplete;
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nsTHashtable<nsRefPtrHashKey<ShutdownPromise>> mPromises;
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};
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RefPtr<ShutdownPromise>
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MediaFormatReader::ShutdownPromisePool::Shutdown()
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{
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MOZ_DIAGNOSTIC_ASSERT(!mShutdown);
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mShutdown = true;
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if (mPromises.Count() == 0) {
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mOnShutdownComplete->Resolve(true, __func__);
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}
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return mOnShutdownComplete;
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}
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void
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MediaFormatReader::ShutdownPromisePool::Track(RefPtr<ShutdownPromise> aPromise)
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{
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MOZ_DIAGNOSTIC_ASSERT(!mShutdown);
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MOZ_DIAGNOSTIC_ASSERT(!mPromises.Contains(aPromise));
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mPromises.PutEntry(aPromise);
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aPromise->Then(
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AbstractThread::GetCurrent(), __func__,
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[aPromise, this]() {
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MOZ_DIAGNOSTIC_ASSERT(mPromises.Contains(aPromise));
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mPromises.RemoveEntry(aPromise);
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if (mShutdown && mPromises.Count() == 0) {
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mOnShutdownComplete->Resolve(true, __func__);
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}
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});
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}
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void
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MediaFormatReader::DecoderData::ShutdownDecoder()
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{
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MutexAutoLock lock(mMutex);
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if (!mDecoder) {
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// No decoder to shut down.
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return;
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}
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if (mFlushing) {
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// Flush is is in action. Shutdown will be initiated after flush completes.
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MOZ_DIAGNOSTIC_ASSERT(mShutdownPromise);
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mOwner->mShutdownPromisePool->Track(mShutdownPromise->Ensure(__func__));
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// The order of decoder creation and shutdown is handled by LocalAllocPolicy
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// and ShutdownPromisePool. MFR can now reset these members to a fresh state
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// and be ready to create new decoders again without explicitly waiting for
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// flush/shutdown to complete.
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mShutdownPromise = nullptr;
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mFlushing = false;
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} else {
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// No flush is in action. We can shut down the decoder now.
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mOwner->mShutdownPromisePool->Track(mDecoder->Shutdown());
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}
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// mShutdownPromisePool will handle the order of decoder shutdown so
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// we can forget mDecoder and be ready to create a new one.
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mDecoder = nullptr;
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mDescription = NS_LITERAL_CSTRING("shutdown");
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mOwner->ScheduleUpdate(mType == MediaData::AUDIO_DATA
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? TrackType::kAudioTrack
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: TrackType::kVideoTrack);
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}
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void
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MediaFormatReader::DecoderData::Flush()
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{
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if (mFlushing || mFlushed) {
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// Flush still pending or already flushed, nothing more to do.
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return;
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}
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mDecodeRequest.DisconnectIfExists();
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mDrainRequest.DisconnectIfExists();
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mDrainState = DrainState::None;
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CancelWaitingForKey();
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mOutput.Clear();
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mNumSamplesInput = 0;
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mNumSamplesOutput = 0;
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mSizeOfQueue = 0;
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if (mDecoder) {
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TrackType type = mType == MediaData::AUDIO_DATA
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? TrackType::kAudioTrack
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: TrackType::kVideoTrack;
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mFlushing = true;
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MOZ_DIAGNOSTIC_ASSERT(!mShutdownPromise);
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mShutdownPromise = new SharedShutdownPromiseHolder();
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RefPtr<SharedShutdownPromiseHolder> p = mShutdownPromise;
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RefPtr<MediaDataDecoder> d = mDecoder;
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mDecoder->Flush()
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->Then(mOwner->OwnerThread(), __func__,
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[type, this, p, d]() {
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if (!p->IsEmpty()) {
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// Shutdown happened before flush completes. Let's continue to
|
|
// shut down the decoder. Note we don't access |this| because
|
|
// this decoder is no longer managed by MFR::DecoderData.
|
|
d->Shutdown()->ChainTo(p->Steal(), __func__);
|
|
return;
|
|
}
|
|
mFlushing = false;
|
|
mShutdownPromise = nullptr;
|
|
mOwner->ScheduleUpdate(type);
|
|
},
|
|
[type, this, p, d](const MediaResult& aError) {
|
|
if (!p->IsEmpty()) {
|
|
d->Shutdown()->ChainTo(p->Steal(), __func__);
|
|
return;
|
|
}
|
|
mFlushing = false;
|
|
mShutdownPromise = nullptr;
|
|
mOwner->NotifyError(type, aError);
|
|
});
|
|
}
|
|
mFlushed = true;
|
|
}
|
|
|
|
class MediaFormatReader::DecoderFactory
|
|
{
|
|
using InitPromise = MediaDataDecoder::InitPromise;
|
|
using TokenPromise = GlobalAllocPolicy::Promise;
|
|
using Token = GlobalAllocPolicy::Token;
|
|
|
|
public:
|
|
explicit DecoderFactory(MediaFormatReader* aOwner)
|
|
: mAudio(aOwner->mAudio, TrackInfo::kAudioTrack, aOwner->OwnerThread())
|
|
, mVideo(aOwner->mVideo, TrackInfo::kVideoTrack, aOwner->OwnerThread())
|
|
, mOwner(WrapNotNull(aOwner)) { }
|
|
|
|
void CreateDecoder(TrackType aTrack);
|
|
|
|
// Shutdown any decoder pending initialization and reset mAudio/mVideo to its
|
|
// pristine state so CreateDecoder() is ready to be called again immediately.
|
|
void ShutdownDecoder(TrackType aTrack)
|
|
{
|
|
MOZ_ASSERT(aTrack == TrackInfo::kAudioTrack ||
|
|
aTrack == TrackInfo::kVideoTrack);
|
|
auto& data = aTrack == TrackInfo::kAudioTrack ? mAudio : mVideo;
|
|
data.mPolicy->Cancel();
|
|
data.mTokenRequest.DisconnectIfExists();
|
|
data.mInitRequest.DisconnectIfExists();
|
|
if (data.mDecoder) {
|
|
mOwner->mShutdownPromisePool->ShutdownDecoder(data.mDecoder.forget());
|
|
}
|
|
data.mStage = Stage::None;
|
|
MOZ_ASSERT(!data.mToken);
|
|
}
|
|
|
|
private:
|
|
class Wrapper;
|
|
|
|
enum class Stage : int8_t
|
|
{
|
|
None,
|
|
WaitForToken,
|
|
CreateDecoder,
|
|
WaitForInit
|
|
};
|
|
|
|
struct Data
|
|
{
|
|
Data(DecoderData& aOwnerData, TrackType aTrack, TaskQueue* aThread)
|
|
: mOwnerData(aOwnerData)
|
|
, mTrack(aTrack)
|
|
, mPolicy(new LocalAllocPolicy(aTrack, aThread)) { }
|
|
DecoderData& mOwnerData;
|
|
const TrackType mTrack;
|
|
RefPtr<LocalAllocPolicy> mPolicy;
|
|
Stage mStage = Stage::None;
|
|
RefPtr<Token> mToken;
|
|
RefPtr<MediaDataDecoder> mDecoder;
|
|
MozPromiseRequestHolder<TokenPromise> mTokenRequest;
|
|
MozPromiseRequestHolder<InitPromise> mInitRequest;
|
|
} mAudio, mVideo;
|
|
|
|
void RunStage(Data& aData);
|
|
MediaResult DoCreateDecoder(Data& aData);
|
|
void DoInitDecoder(Data& aData);
|
|
|
|
// guaranteed to be valid by the owner.
|
|
const NotNull<MediaFormatReader*> mOwner;
|
|
};
|
|
|
|
void
|
|
MediaFormatReader::DecoderFactory::CreateDecoder(TrackType aTrack)
|
|
{
|
|
MOZ_ASSERT(aTrack == TrackInfo::kAudioTrack ||
|
|
aTrack == TrackInfo::kVideoTrack);
|
|
RunStage(aTrack == TrackInfo::kAudioTrack ? mAudio : mVideo);
|
|
}
|
|
|
|
class MediaFormatReader::DecoderFactory::Wrapper : public MediaDataDecoder
|
|
{
|
|
using Token = GlobalAllocPolicy::Token;
|
|
|
|
public:
|
|
Wrapper(already_AddRefed<MediaDataDecoder> aDecoder,
|
|
already_AddRefed<Token> aToken)
|
|
: mDecoder(aDecoder), mToken(aToken) {}
|
|
|
|
RefPtr<InitPromise> Init() override { return mDecoder->Init(); }
|
|
RefPtr<DecodePromise> Decode(MediaRawData* aSample) override
|
|
{
|
|
return mDecoder->Decode(aSample);
|
|
}
|
|
RefPtr<DecodePromise> Drain() override { return mDecoder->Drain(); }
|
|
RefPtr<FlushPromise> Flush() override { return mDecoder->Flush(); }
|
|
bool IsHardwareAccelerated(nsACString& aFailureReason) const override
|
|
{
|
|
return mDecoder->IsHardwareAccelerated(aFailureReason);
|
|
}
|
|
nsCString GetDescriptionName() const override
|
|
{
|
|
return mDecoder->GetDescriptionName();
|
|
}
|
|
void SetSeekThreshold(const TimeUnit& aTime) override
|
|
{
|
|
mDecoder->SetSeekThreshold(aTime);
|
|
}
|
|
bool SupportDecoderRecycling() const override
|
|
{
|
|
return mDecoder->SupportDecoderRecycling();
|
|
}
|
|
RefPtr<ShutdownPromise> Shutdown() override
|
|
{
|
|
RefPtr<MediaDataDecoder> decoder = mDecoder.forget();
|
|
RefPtr<Token> token = mToken.forget();
|
|
return decoder->Shutdown()->Then(
|
|
AbstractThread::GetCurrent(), __func__,
|
|
[token]() {
|
|
return ShutdownPromise::CreateAndResolve(true, __func__);
|
|
});
|
|
}
|
|
|
|
private:
|
|
RefPtr<MediaDataDecoder> mDecoder;
|
|
RefPtr<Token> mToken;
|
|
};
|
|
|
|
void
|
|
MediaFormatReader::DecoderFactory::RunStage(Data& aData)
|
|
{
|
|
switch (aData.mStage) {
|
|
case Stage::None: {
|
|
MOZ_ASSERT(!aData.mToken);
|
|
aData.mPolicy->Alloc()->Then(
|
|
mOwner->OwnerThread(), __func__,
|
|
[this, &aData] (RefPtr<Token> aToken) {
|
|
aData.mTokenRequest.Complete();
|
|
aData.mToken = aToken.forget();
|
|
aData.mStage = Stage::CreateDecoder;
|
|
RunStage(aData);
|
|
},
|
|
[&aData] () {
|
|
aData.mTokenRequest.Complete();
|
|
aData.mStage = Stage::None;
|
|
})->Track(aData.mTokenRequest);
|
|
aData.mStage = Stage::WaitForToken;
|
|
break;
|
|
}
|
|
|
|
case Stage::WaitForToken: {
|
|
MOZ_ASSERT(!aData.mToken);
|
|
MOZ_ASSERT(aData.mTokenRequest.Exists());
|
|
break;
|
|
}
|
|
|
|
case Stage::CreateDecoder: {
|
|
MOZ_ASSERT(aData.mToken);
|
|
MOZ_ASSERT(!aData.mDecoder);
|
|
MOZ_ASSERT(!aData.mInitRequest.Exists());
|
|
|
|
MediaResult rv = DoCreateDecoder(aData);
|
|
if (NS_FAILED(rv)) {
|
|
NS_WARNING("Error constructing decoders");
|
|
aData.mToken = nullptr;
|
|
aData.mStage = Stage::None;
|
|
aData.mOwnerData.mDescription = rv.Description();
|
|
mOwner->NotifyError(aData.mTrack, rv);
|
|
return;
|
|
}
|
|
|
|
aData.mDecoder = new Wrapper(aData.mDecoder.forget(), aData.mToken.forget());
|
|
DoInitDecoder(aData);
|
|
aData.mStage = Stage::WaitForInit;
|
|
break;
|
|
}
|
|
|
|
case Stage::WaitForInit: {
|
|
MOZ_ASSERT(aData.mDecoder);
|
|
MOZ_ASSERT(aData.mInitRequest.Exists());
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
MediaResult
|
|
MediaFormatReader::DecoderFactory::DoCreateDecoder(Data& aData)
|
|
{
|
|
auto& ownerData = aData.mOwnerData;
|
|
|
|
if (!mOwner->mPlatform) {
|
|
mOwner->mPlatform = new PDMFactory();
|
|
if (mOwner->IsEncrypted()) {
|
|
MOZ_ASSERT(mOwner->mCDMProxy);
|
|
mOwner->mPlatform->SetCDMProxy(mOwner->mCDMProxy);
|
|
}
|
|
}
|
|
|
|
// result may not be updated by PDMFactory::CreateDecoder, as such it must be
|
|
// initialized to a fatal error by default.
|
|
MediaResult result = MediaResult(
|
|
NS_ERROR_DOM_MEDIA_FATAL_ERR,
|
|
nsPrintfCString("error creating %s decoder", TrackTypeToStr(aData.mTrack)));
|
|
|
|
switch (aData.mTrack) {
|
|
case TrackInfo::kAudioTrack: {
|
|
aData.mDecoder = mOwner->mPlatform->CreateDecoder({
|
|
ownerData.mInfo
|
|
? *ownerData.mInfo->GetAsAudioInfo()
|
|
: *ownerData.mOriginalInfo->GetAsAudioInfo(),
|
|
ownerData.mTaskQueue,
|
|
mOwner->mCrashHelper,
|
|
CreateDecoderParams::UseNullDecoder(ownerData.mIsNullDecode),
|
|
&result,
|
|
TrackInfo::kAudioTrack,
|
|
&mOwner->OnTrackWaitingForKeyProducer()
|
|
});
|
|
break;
|
|
}
|
|
|
|
case TrackType::kVideoTrack: {
|
|
// Decoders use the layers backend to decide if they can use hardware decoding,
|
|
// so specify LAYERS_NONE if we want to forcibly disable it.
|
|
aData.mDecoder = mOwner->mPlatform->CreateDecoder(
|
|
{ ownerData.mInfo ? *ownerData.mInfo->GetAsVideoInfo()
|
|
: *ownerData.mOriginalInfo->GetAsVideoInfo(),
|
|
ownerData.mTaskQueue,
|
|
mOwner->mKnowsCompositor,
|
|
mOwner->GetImageContainer(),
|
|
mOwner->mCrashHelper,
|
|
CreateDecoderParams::UseNullDecoder(ownerData.mIsNullDecode),
|
|
&result,
|
|
TrackType::kVideoTrack,
|
|
&mOwner->OnTrackWaitingForKeyProducer(),
|
|
CreateDecoderParams::VideoFrameRate(ownerData.mMeanRate.Mean()) });
|
|
break;
|
|
}
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (aData.mDecoder) {
|
|
return NS_OK;
|
|
}
|
|
|
|
MOZ_RELEASE_ASSERT(NS_FAILED(result), "PDM returned an invalid error code");
|
|
|
|
return result;
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::DecoderFactory::DoInitDecoder(Data& aData)
|
|
{
|
|
auto& ownerData = aData.mOwnerData;
|
|
|
|
aData.mDecoder->Init()
|
|
->Then(mOwner->OwnerThread(), __func__,
|
|
[this, &aData, &ownerData](TrackType aTrack) {
|
|
aData.mInitRequest.Complete();
|
|
aData.mStage = Stage::None;
|
|
MutexAutoLock lock(ownerData.mMutex);
|
|
ownerData.mDecoder = aData.mDecoder.forget();
|
|
ownerData.mDescription = ownerData.mDecoder->GetDescriptionName();
|
|
mOwner->SetVideoDecodeThreshold();
|
|
mOwner->ScheduleUpdate(aTrack);
|
|
},
|
|
[this, &aData, &ownerData](const MediaResult& aError) {
|
|
aData.mInitRequest.Complete();
|
|
MOZ_RELEASE_ASSERT(!ownerData.mDecoder,
|
|
"Can't have a decoder already set");
|
|
aData.mStage = Stage::None;
|
|
mOwner->mShutdownPromisePool->ShutdownDecoder(aData.mDecoder.forget());
|
|
mOwner->NotifyError(aData.mTrack, aError);
|
|
})
|
|
->Track(aData.mInitRequest);
|
|
}
|
|
|
|
// DemuxerProxy ensures that the original main demuxer is only ever accessed
|
|
// via its own dedicated task queue.
|
|
// This ensure that the reader's taskqueue will never blocked while a demuxer
|
|
// is itself blocked attempting to access the MediaCache or the MediaResource.
|
|
class MediaFormatReader::DemuxerProxy
|
|
{
|
|
using TrackType = TrackInfo::TrackType;
|
|
class Wrapper;
|
|
|
|
public:
|
|
explicit DemuxerProxy(MediaDataDemuxer* aDemuxer)
|
|
: mTaskQueue(new AutoTaskQueue(
|
|
GetMediaThreadPool(MediaThreadType::PLATFORM_DECODER),
|
|
"DemuxerProxy::mTaskQueue"))
|
|
, mData(new Data(aDemuxer))
|
|
{
|
|
MOZ_COUNT_CTOR(DemuxerProxy);
|
|
}
|
|
|
|
~DemuxerProxy()
|
|
{
|
|
MOZ_COUNT_DTOR(DemuxerProxy);
|
|
}
|
|
|
|
RefPtr<ShutdownPromise> Shutdown()
|
|
{
|
|
RefPtr<Data> data = mData.forget();
|
|
return InvokeAsync(mTaskQueue, __func__, [data]() {
|
|
// We need to clear our reference to the demuxer now. So that in the event
|
|
// the init promise wasn't resolved, such as what can happen with the
|
|
// mediasource demuxer that is waiting on more data, it will force the
|
|
// init promise to be rejected.
|
|
data->mDemuxer = nullptr;
|
|
data->mAudioDemuxer = nullptr;
|
|
data->mVideoDemuxer = nullptr;
|
|
return ShutdownPromise::CreateAndResolve(true, __func__);
|
|
});
|
|
}
|
|
|
|
RefPtr<MediaDataDemuxer::InitPromise> Init();
|
|
|
|
Wrapper*
|
|
GetTrackDemuxer(TrackType aTrack, uint32_t aTrackNumber)
|
|
{
|
|
MOZ_RELEASE_ASSERT(mData && mData->mInitDone);
|
|
|
|
switch (aTrack) {
|
|
case TrackInfo::kAudioTrack:
|
|
return mData->mAudioDemuxer;
|
|
case TrackInfo::kVideoTrack:
|
|
return mData->mVideoDemuxer;
|
|
default:
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
uint32_t GetNumberTracks(TrackType aTrack) const
|
|
{
|
|
MOZ_RELEASE_ASSERT(mData && mData->mInitDone);
|
|
|
|
switch (aTrack) {
|
|
case TrackInfo::kAudioTrack:
|
|
return mData->mNumAudioTrack;
|
|
case TrackInfo::kVideoTrack:
|
|
return mData->mNumVideoTrack;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
bool IsSeekable() const
|
|
{
|
|
MOZ_RELEASE_ASSERT(mData && mData->mInitDone);
|
|
|
|
return mData->mSeekable;
|
|
}
|
|
|
|
bool IsSeekableOnlyInBufferedRanges() const
|
|
{
|
|
MOZ_RELEASE_ASSERT(mData && mData->mInitDone);
|
|
|
|
return mData->mSeekableOnlyInBufferedRange;
|
|
}
|
|
|
|
UniquePtr<EncryptionInfo> GetCrypto() const
|
|
{
|
|
MOZ_RELEASE_ASSERT(mData && mData->mInitDone);
|
|
|
|
if (!mData->mCrypto) {
|
|
return nullptr;
|
|
}
|
|
auto crypto = MakeUnique<EncryptionInfo>();
|
|
*crypto = *mData->mCrypto;
|
|
return crypto;
|
|
}
|
|
|
|
RefPtr<NotifyDataArrivedPromise> NotifyDataArrived();
|
|
|
|
bool ShouldComputeStartTime() const
|
|
{
|
|
MOZ_RELEASE_ASSERT(mData && mData->mInitDone);
|
|
|
|
return mData->mShouldComputeStartTime;
|
|
}
|
|
|
|
private:
|
|
const RefPtr<AutoTaskQueue> mTaskQueue;
|
|
struct Data
|
|
{
|
|
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(Data)
|
|
|
|
explicit Data(MediaDataDemuxer* aDemuxer)
|
|
: mInitDone(false)
|
|
, mDemuxer(aDemuxer)
|
|
{
|
|
}
|
|
|
|
Atomic<bool> mInitDone;
|
|
// Only ever accessed over mTaskQueue once.
|
|
RefPtr<MediaDataDemuxer> mDemuxer;
|
|
// Only accessed once InitPromise has been resolved and immutable after.
|
|
// So we can safely access them without the use of the mutex.
|
|
uint32_t mNumAudioTrack = 0;
|
|
RefPtr<Wrapper> mAudioDemuxer;
|
|
uint32_t mNumVideoTrack = 0;
|
|
RefPtr<Wrapper> mVideoDemuxer;
|
|
bool mSeekable = false;
|
|
bool mSeekableOnlyInBufferedRange = false;
|
|
bool mShouldComputeStartTime = true;
|
|
UniquePtr<EncryptionInfo> mCrypto;
|
|
private:
|
|
~Data() { }
|
|
};
|
|
RefPtr<Data> mData;
|
|
};
|
|
|
|
class MediaFormatReader::DemuxerProxy::Wrapper : public MediaTrackDemuxer
|
|
{
|
|
public:
|
|
Wrapper(MediaTrackDemuxer* aTrackDemuxer, AutoTaskQueue* aTaskQueue)
|
|
: mMutex("TrackDemuxer Mutex")
|
|
, mTaskQueue(aTaskQueue)
|
|
, mGetSamplesMayBlock(aTrackDemuxer->GetSamplesMayBlock())
|
|
, mInfo(aTrackDemuxer->GetInfo())
|
|
, mTrackDemuxer(aTrackDemuxer)
|
|
{
|
|
}
|
|
|
|
UniquePtr<TrackInfo> GetInfo() const override
|
|
{
|
|
if (!mInfo) {
|
|
return nullptr;
|
|
}
|
|
return mInfo->Clone();
|
|
}
|
|
|
|
RefPtr<SeekPromise> Seek(const TimeUnit& aTime) override
|
|
{
|
|
RefPtr<Wrapper> self = this;
|
|
return InvokeAsync(
|
|
mTaskQueue, __func__,
|
|
[self, aTime]() { return self->mTrackDemuxer->Seek(aTime); })
|
|
->Then(mTaskQueue, __func__,
|
|
[self](const TimeUnit& aTime) {
|
|
self->UpdateRandomAccessPoint();
|
|
return SeekPromise::CreateAndResolve(aTime, __func__);
|
|
},
|
|
[self](const MediaResult& aError) {
|
|
self->UpdateRandomAccessPoint();
|
|
return SeekPromise::CreateAndReject(aError, __func__);
|
|
});
|
|
}
|
|
|
|
RefPtr<SamplesPromise> GetSamples(int32_t aNumSamples) override
|
|
{
|
|
RefPtr<Wrapper> self = this;
|
|
return InvokeAsync(mTaskQueue, __func__,
|
|
[self, aNumSamples]() {
|
|
return self->mTrackDemuxer->GetSamples(aNumSamples);
|
|
})
|
|
->Then(mTaskQueue, __func__,
|
|
[self](RefPtr<SamplesHolder> aSamples) {
|
|
self->UpdateRandomAccessPoint();
|
|
return SamplesPromise::CreateAndResolve(aSamples.forget(), __func__);
|
|
},
|
|
[self](const MediaResult& aError) {
|
|
self->UpdateRandomAccessPoint();
|
|
return SamplesPromise::CreateAndReject(aError, __func__);
|
|
});
|
|
}
|
|
|
|
bool GetSamplesMayBlock() const override
|
|
{
|
|
return mGetSamplesMayBlock;
|
|
}
|
|
|
|
void Reset() override
|
|
{
|
|
RefPtr<Wrapper> self = this;
|
|
mTaskQueue->Dispatch(
|
|
NS_NewRunnableFunction("MediaFormatReader::DemuxerProxy::Wrapper::Reset",
|
|
[self]() { self->mTrackDemuxer->Reset(); }));
|
|
}
|
|
|
|
nsresult GetNextRandomAccessPoint(TimeUnit* aTime) override
|
|
{
|
|
MutexAutoLock lock(mMutex);
|
|
if (NS_SUCCEEDED(mNextRandomAccessPointResult)) {
|
|
*aTime = mNextRandomAccessPoint;
|
|
}
|
|
return mNextRandomAccessPointResult;
|
|
}
|
|
|
|
RefPtr<SkipAccessPointPromise>
|
|
SkipToNextRandomAccessPoint(const TimeUnit& aTimeThreshold) override
|
|
{
|
|
RefPtr<Wrapper> self = this;
|
|
return InvokeAsync(
|
|
mTaskQueue, __func__,
|
|
[self, aTimeThreshold]() {
|
|
return self->mTrackDemuxer->SkipToNextRandomAccessPoint(
|
|
aTimeThreshold);
|
|
})
|
|
->Then(mTaskQueue, __func__,
|
|
[self](uint32_t aVal) {
|
|
self->UpdateRandomAccessPoint();
|
|
return SkipAccessPointPromise::CreateAndResolve(aVal, __func__);
|
|
},
|
|
[self](const SkipFailureHolder& aError) {
|
|
self->UpdateRandomAccessPoint();
|
|
return SkipAccessPointPromise::CreateAndReject(aError, __func__);
|
|
});
|
|
}
|
|
|
|
TimeIntervals GetBuffered() override
|
|
{
|
|
MutexAutoLock lock(mMutex);
|
|
return mBuffered;
|
|
}
|
|
|
|
void BreakCycles() override { }
|
|
|
|
private:
|
|
Mutex mMutex;
|
|
const RefPtr<AutoTaskQueue> mTaskQueue;
|
|
const bool mGetSamplesMayBlock;
|
|
const UniquePtr<TrackInfo> mInfo;
|
|
// mTrackDemuxer is only ever accessed on demuxer's task queue.
|
|
RefPtr<MediaTrackDemuxer> mTrackDemuxer;
|
|
// All following members are protected by mMutex
|
|
nsresult mNextRandomAccessPointResult = NS_OK;
|
|
TimeUnit mNextRandomAccessPoint;
|
|
TimeIntervals mBuffered;
|
|
friend class DemuxerProxy;
|
|
|
|
~Wrapper()
|
|
{
|
|
RefPtr<MediaTrackDemuxer> trackDemuxer = mTrackDemuxer.forget();
|
|
mTaskQueue->Dispatch(NS_NewRunnableFunction(
|
|
"MediaFormatReader::DemuxerProxy::Wrapper::~Wrapper",
|
|
[trackDemuxer]() { trackDemuxer->BreakCycles(); }));
|
|
}
|
|
|
|
void UpdateRandomAccessPoint()
|
|
{
|
|
MOZ_ASSERT(mTaskQueue->IsCurrentThreadIn());
|
|
if (!mTrackDemuxer) {
|
|
// Detached.
|
|
return;
|
|
}
|
|
MutexAutoLock lock(mMutex);
|
|
mNextRandomAccessPointResult =
|
|
mTrackDemuxer->GetNextRandomAccessPoint(&mNextRandomAccessPoint);
|
|
}
|
|
|
|
void UpdateBuffered()
|
|
{
|
|
MOZ_ASSERT(mTaskQueue->IsCurrentThreadIn());
|
|
if (!mTrackDemuxer) {
|
|
// Detached.
|
|
return;
|
|
}
|
|
MutexAutoLock lock(mMutex);
|
|
mBuffered = mTrackDemuxer->GetBuffered();
|
|
}
|
|
};
|
|
|
|
RefPtr<MediaDataDemuxer::InitPromise>
|
|
MediaFormatReader::DemuxerProxy::Init()
|
|
{
|
|
using InitPromise = MediaDataDemuxer::InitPromise;
|
|
|
|
RefPtr<Data> data = mData;
|
|
RefPtr<AutoTaskQueue> taskQueue = mTaskQueue;
|
|
return InvokeAsync(mTaskQueue, __func__,
|
|
[data, taskQueue]() {
|
|
if (!data->mDemuxer) {
|
|
return InitPromise::CreateAndReject(
|
|
NS_ERROR_DOM_MEDIA_CANCELED, __func__);
|
|
}
|
|
return data->mDemuxer->Init();
|
|
})
|
|
->Then(taskQueue, __func__,
|
|
[data, taskQueue]() {
|
|
if (!data->mDemuxer) { // Was shutdown.
|
|
return InitPromise::CreateAndReject(
|
|
NS_ERROR_DOM_MEDIA_CANCELED, __func__);
|
|
}
|
|
data->mNumAudioTrack =
|
|
data->mDemuxer->GetNumberTracks(TrackInfo::kAudioTrack);
|
|
if (data->mNumAudioTrack) {
|
|
RefPtr<MediaTrackDemuxer> d =
|
|
data->mDemuxer->GetTrackDemuxer(TrackInfo::kAudioTrack, 0);
|
|
if (d) {
|
|
RefPtr<Wrapper> wrapper =
|
|
new DemuxerProxy::Wrapper(d, taskQueue);
|
|
wrapper->UpdateBuffered();
|
|
data->mAudioDemuxer = wrapper;
|
|
}
|
|
}
|
|
data->mNumVideoTrack =
|
|
data->mDemuxer->GetNumberTracks(TrackInfo::kVideoTrack);
|
|
if (data->mNumVideoTrack) {
|
|
RefPtr<MediaTrackDemuxer> d =
|
|
data->mDemuxer->GetTrackDemuxer(TrackInfo::kVideoTrack, 0);
|
|
if (d) {
|
|
RefPtr<Wrapper> wrapper =
|
|
new DemuxerProxy::Wrapper(d, taskQueue);
|
|
wrapper->UpdateBuffered();
|
|
data->mVideoDemuxer = wrapper;
|
|
}
|
|
}
|
|
data->mCrypto = data->mDemuxer->GetCrypto();
|
|
data->mSeekable = data->mDemuxer->IsSeekable();
|
|
data->mSeekableOnlyInBufferedRange =
|
|
data->mDemuxer->IsSeekableOnlyInBufferedRanges();
|
|
data->mShouldComputeStartTime =
|
|
data->mDemuxer->ShouldComputeStartTime();
|
|
data->mInitDone = true;
|
|
return InitPromise::CreateAndResolve(NS_OK, __func__);
|
|
},
|
|
[](const MediaResult& aError) {
|
|
return InitPromise::CreateAndReject(aError, __func__);
|
|
});
|
|
}
|
|
|
|
RefPtr<MediaFormatReader::NotifyDataArrivedPromise>
|
|
MediaFormatReader::DemuxerProxy::NotifyDataArrived()
|
|
{
|
|
RefPtr<Data> data = mData;
|
|
return InvokeAsync(mTaskQueue, __func__, [data]() {
|
|
if (!data->mDemuxer) {
|
|
// Was shutdown.
|
|
return NotifyDataArrivedPromise::CreateAndReject(
|
|
NS_ERROR_DOM_MEDIA_CANCELED, __func__);
|
|
}
|
|
data->mDemuxer->NotifyDataArrived();
|
|
if (data->mAudioDemuxer) {
|
|
data->mAudioDemuxer->UpdateBuffered();
|
|
}
|
|
if (data->mVideoDemuxer) {
|
|
data->mVideoDemuxer->UpdateBuffered();
|
|
}
|
|
return NotifyDataArrivedPromise::CreateAndResolve(true, __func__);
|
|
});
|
|
}
|
|
|
|
MediaFormatReader::MediaFormatReader(MediaFormatReaderInit& aInit,
|
|
MediaDataDemuxer* aDemuxer)
|
|
: mTaskQueue(new TaskQueue(GetMediaThreadPool(MediaThreadType::PLAYBACK),
|
|
"MediaFormatReader::mTaskQueue",
|
|
/* aSupportsTailDispatch = */ true))
|
|
, mAudio(this, MediaData::AUDIO_DATA, MediaPrefs::MaxAudioDecodeError())
|
|
, mVideo(this, MediaData::VIDEO_DATA, MediaPrefs::MaxVideoDecodeError())
|
|
, mDemuxer(new DemuxerProxy(aDemuxer))
|
|
, mDemuxerInitDone(false)
|
|
, mPendingNotifyDataArrived(false)
|
|
, mLastReportedNumDecodedFrames(0)
|
|
, mPreviousDecodedKeyframeTime_us(sNoPreviousDecodedKeyframe)
|
|
, mKnowsCompositor(aInit.mKnowsCompositor)
|
|
, mInitDone(false)
|
|
, mTrackDemuxersMayBlock(false)
|
|
, mSeekScheduled(false)
|
|
, mVideoFrameContainer(aInit.mVideoFrameContainer)
|
|
, mCrashHelper(aInit.mCrashHelper)
|
|
, mDecoderFactory(new DecoderFactory(this))
|
|
, mShutdownPromisePool(new ShutdownPromisePool())
|
|
, mBuffered(mTaskQueue,
|
|
TimeIntervals(),
|
|
"MediaFormatReader::mBuffered (Canonical)")
|
|
, mFrameStats(aInit.mFrameStats)
|
|
, mMediaDecoderOwnerID(aInit.mMediaDecoderOwnerID)
|
|
{
|
|
MOZ_ASSERT(aDemuxer);
|
|
MOZ_COUNT_CTOR(MediaFormatReader);
|
|
mOnTrackWaitingForKeyListener = OnTrackWaitingForKey().Connect(
|
|
mTaskQueue, this, &MediaFormatReader::NotifyWaitingForKey);
|
|
}
|
|
|
|
MediaFormatReader::~MediaFormatReader()
|
|
{
|
|
MOZ_COUNT_DTOR(MediaFormatReader);
|
|
MOZ_ASSERT(mShutdown);
|
|
}
|
|
|
|
RefPtr<ShutdownPromise>
|
|
MediaFormatReader::Shutdown()
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
LOG("");
|
|
|
|
mDemuxerInitRequest.DisconnectIfExists();
|
|
mNotifyDataArrivedPromise.DisconnectIfExists();
|
|
mMetadataPromise.RejectIfExists(NS_ERROR_DOM_MEDIA_CANCELED, __func__);
|
|
mSeekPromise.RejectIfExists(NS_ERROR_DOM_MEDIA_CANCELED, __func__);
|
|
mSkipRequest.DisconnectIfExists();
|
|
mSetCDMPromise.RejectIfExists(
|
|
MediaResult(NS_ERROR_DOM_INVALID_STATE_ERR,
|
|
"MediaFormatReader is shutting down"),
|
|
__func__);
|
|
|
|
if (mAudio.HasPromise()) {
|
|
mAudio.RejectPromise(NS_ERROR_DOM_MEDIA_CANCELED, __func__);
|
|
}
|
|
if (mVideo.HasPromise()) {
|
|
mVideo.RejectPromise(NS_ERROR_DOM_MEDIA_CANCELED, __func__);
|
|
}
|
|
|
|
if (HasAudio()) {
|
|
mAudio.ResetDemuxer();
|
|
mAudio.mTrackDemuxer->BreakCycles();
|
|
mAudio.mTrackDemuxer = nullptr;
|
|
mAudio.ResetState();
|
|
ShutdownDecoder(TrackInfo::kAudioTrack);
|
|
}
|
|
|
|
if (HasVideo()) {
|
|
mVideo.ResetDemuxer();
|
|
mVideo.mTrackDemuxer->BreakCycles();
|
|
mVideo.mTrackDemuxer = nullptr;
|
|
mVideo.ResetState();
|
|
ShutdownDecoder(TrackInfo::kVideoTrack);
|
|
}
|
|
|
|
mShutdownPromisePool->Track(mDemuxer->Shutdown());
|
|
mDemuxer = nullptr;
|
|
|
|
mOnTrackWaitingForKeyListener.Disconnect();
|
|
|
|
mShutdown = true;
|
|
return mShutdownPromisePool->Shutdown()
|
|
->Then(OwnerThread(), __func__, this,
|
|
&MediaFormatReader::TearDownDecoders,
|
|
&MediaFormatReader::TearDownDecoders);
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::ShutdownDecoder(TrackType aTrack)
|
|
{
|
|
LOGV("%s", TrackTypeToStr(aTrack));
|
|
|
|
// Shut down the pending decoder if any.
|
|
mDecoderFactory->ShutdownDecoder(aTrack);
|
|
|
|
auto& decoder = GetDecoderData(aTrack);
|
|
// Flush the decoder if necessary.
|
|
decoder.Flush();
|
|
// Shut down the decoder if any.
|
|
decoder.ShutdownDecoder();
|
|
}
|
|
|
|
RefPtr<ShutdownPromise>
|
|
MediaFormatReader::TearDownDecoders()
|
|
{
|
|
if (mAudio.mTaskQueue) {
|
|
mAudio.mTaskQueue->BeginShutdown();
|
|
mAudio.mTaskQueue->AwaitShutdownAndIdle();
|
|
mAudio.mTaskQueue = nullptr;
|
|
}
|
|
if (mVideo.mTaskQueue) {
|
|
mVideo.mTaskQueue->BeginShutdown();
|
|
mVideo.mTaskQueue->AwaitShutdownAndIdle();
|
|
mVideo.mTaskQueue = nullptr;
|
|
}
|
|
|
|
mDecoderFactory = nullptr;
|
|
mPlatform = nullptr;
|
|
mVideoFrameContainer = nullptr;
|
|
|
|
ReleaseResources();
|
|
mBuffered.DisconnectAll();
|
|
return mTaskQueue->BeginShutdown();
|
|
}
|
|
|
|
nsresult
|
|
MediaFormatReader::Init()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread(), "Must be on main thread.");
|
|
|
|
mAudio.mTaskQueue = new TaskQueue(
|
|
GetMediaThreadPool(MediaThreadType::PLATFORM_DECODER),
|
|
"MFR::mAudio::mTaskQueue");
|
|
|
|
mVideo.mTaskQueue = new TaskQueue(
|
|
GetMediaThreadPool(MediaThreadType::PLATFORM_DECODER),
|
|
"MFR::mVideo::mTaskQueue");
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
bool
|
|
MediaFormatReader::ResolveSetCDMPromiseIfDone(TrackType aTrack)
|
|
{
|
|
// When a CDM proxy is set, MFR would shutdown the existing MediaDataDecoder
|
|
// and would create new one for specific track in the next Update.
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
|
|
if (mSetCDMPromise.IsEmpty()) {
|
|
return true;
|
|
}
|
|
|
|
MOZ_ASSERT(mCDMProxy);
|
|
if (mSetCDMForTracks.contains(aTrack)) {
|
|
mSetCDMForTracks -= aTrack;
|
|
}
|
|
|
|
if (mSetCDMForTracks.isEmpty()) {
|
|
LOGV("%s : Done ", __func__);
|
|
mSetCDMPromise.Resolve(/* aIgnored = */ true, __func__);
|
|
ScheduleUpdate(TrackInfo::kAudioTrack);
|
|
ScheduleUpdate(TrackInfo::kVideoTrack);
|
|
return true;
|
|
}
|
|
LOGV("%s : %s track is ready.", __func__, TrackTypeToStr(aTrack));
|
|
return false;
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::PrepareToSetCDMForTrack(TrackType aTrack)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
LOGV("%s : %s", __func__, TrackTypeToStr(aTrack));
|
|
|
|
mSetCDMForTracks += aTrack;
|
|
if (mCDMProxy) {
|
|
// An old cdm proxy exists, so detaching old cdm proxy by shutting down
|
|
// MediaDataDecoder.
|
|
ShutdownDecoder(aTrack);
|
|
}
|
|
ScheduleUpdate(aTrack);
|
|
}
|
|
|
|
bool
|
|
MediaFormatReader::IsDecoderWaitingForCDM(TrackType aTrack)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
return IsEncrypted() && mSetCDMForTracks.contains(aTrack) && !mCDMProxy;
|
|
}
|
|
|
|
RefPtr<SetCDMPromise>
|
|
MediaFormatReader::SetCDMProxy(CDMProxy* aProxy)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
LOGV("SetCDMProxy (%p)", aProxy);
|
|
|
|
if (mShutdown) {
|
|
return SetCDMPromise::CreateAndReject(
|
|
MediaResult(NS_ERROR_DOM_INVALID_STATE_ERR,
|
|
"MediaFormatReader is shutting down"),
|
|
__func__);
|
|
}
|
|
|
|
mSetCDMPromise.RejectIfExists(
|
|
MediaResult(NS_ERROR_DOM_INVALID_STATE_ERR,
|
|
"Another new CDM proxy is being set."),
|
|
__func__);
|
|
|
|
// Shutdown all decoders as switching CDM proxy indicates that it's
|
|
// inappropriate for the existing decoders to continue decoding via the old
|
|
// CDM proxy.
|
|
if (HasAudio()) {
|
|
PrepareToSetCDMForTrack(TrackInfo::kAudioTrack);
|
|
}
|
|
if (HasVideo()) {
|
|
PrepareToSetCDMForTrack(TrackInfo::kVideoTrack);
|
|
}
|
|
|
|
mCDMProxy = aProxy;
|
|
|
|
if (IsEncrypted() && !mCDMProxy) {
|
|
// Release old PDMFactory which contains an EMEDecoderModule.
|
|
mPlatform = nullptr;
|
|
}
|
|
|
|
if (!mInitDone || mSetCDMForTracks.isEmpty() || !mCDMProxy) {
|
|
// 1) MFR is not initialized yet or
|
|
// 2) Demuxer is initialized without active audio and video or
|
|
// 3) A null cdm proxy is set
|
|
// the promise can be resolved directly.
|
|
mSetCDMForTracks.clear();
|
|
return SetCDMPromise::CreateAndResolve(/* aIgnored = */ true, __func__);
|
|
}
|
|
|
|
RefPtr<SetCDMPromise> p = mSetCDMPromise.Ensure(__func__);
|
|
return p;
|
|
}
|
|
|
|
bool
|
|
MediaFormatReader::IsWaitingOnCDMResource()
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
return IsEncrypted() && !mCDMProxy;
|
|
}
|
|
|
|
RefPtr<MediaFormatReader::MetadataPromise>
|
|
MediaFormatReader::AsyncReadMetadata()
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
|
|
MOZ_DIAGNOSTIC_ASSERT(mMetadataPromise.IsEmpty());
|
|
|
|
if (mInitDone) {
|
|
// We are returning from dormant.
|
|
MetadataHolder metadata;
|
|
metadata.mInfo = MakeUnique<MediaInfo>(mInfo);
|
|
return MetadataPromise::CreateAndResolve(Move(metadata), __func__);
|
|
}
|
|
|
|
RefPtr<MetadataPromise> p = mMetadataPromise.Ensure(__func__);
|
|
|
|
mDemuxer->Init()
|
|
->Then(OwnerThread(), __func__, this,
|
|
&MediaFormatReader::OnDemuxerInitDone,
|
|
&MediaFormatReader::OnDemuxerInitFailed)
|
|
->Track(mDemuxerInitRequest);
|
|
return p;
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::OnDemuxerInitDone(const MediaResult& aResult)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
mDemuxerInitRequest.Complete();
|
|
|
|
if (NS_FAILED(aResult) && MediaPrefs::MediaWarningsAsErrors()) {
|
|
mMetadataPromise.Reject(aResult, __func__);
|
|
return;
|
|
}
|
|
|
|
mDemuxerInitDone = true;
|
|
|
|
UniquePtr<MetadataTags> tags(MakeUnique<MetadataTags>());
|
|
|
|
RefPtr<PDMFactory> platform;
|
|
if (!IsWaitingOnCDMResource()) {
|
|
platform = new PDMFactory();
|
|
}
|
|
|
|
// To decode, we need valid video and a place to put it.
|
|
bool videoActive =
|
|
!!mDemuxer->GetNumberTracks(TrackInfo::kVideoTrack) && GetImageContainer();
|
|
|
|
if (videoActive) {
|
|
// We currently only handle the first video track.
|
|
mVideo.mTrackDemuxer = mDemuxer->GetTrackDemuxer(TrackInfo::kVideoTrack, 0);
|
|
if (!mVideo.mTrackDemuxer) {
|
|
mMetadataPromise.Reject(NS_ERROR_DOM_MEDIA_METADATA_ERR, __func__);
|
|
return;
|
|
}
|
|
|
|
UniquePtr<TrackInfo> videoInfo = mVideo.mTrackDemuxer->GetInfo();
|
|
videoActive = videoInfo && videoInfo->IsValid();
|
|
if (videoActive) {
|
|
if (platform &&
|
|
!platform->SupportsMimeType(videoInfo->mMimeType, nullptr)) {
|
|
// We have no decoder for this track. Error.
|
|
mMetadataPromise.Reject(NS_ERROR_DOM_MEDIA_METADATA_ERR, __func__);
|
|
return;
|
|
}
|
|
{
|
|
MutexAutoLock lock(mVideo.mMutex);
|
|
mInfo.mVideo = *videoInfo->GetAsVideoInfo();
|
|
}
|
|
for (const MetadataTag& tag : videoInfo->mTags) {
|
|
tags->Put(tag.mKey, tag.mValue);
|
|
}
|
|
mVideo.mOriginalInfo = Move(videoInfo);
|
|
mTrackDemuxersMayBlock |= mVideo.mTrackDemuxer->GetSamplesMayBlock();
|
|
} else {
|
|
mVideo.mTrackDemuxer->BreakCycles();
|
|
mVideo.mTrackDemuxer = nullptr;
|
|
}
|
|
}
|
|
|
|
bool audioActive = !!mDemuxer->GetNumberTracks(TrackInfo::kAudioTrack);
|
|
if (audioActive) {
|
|
mAudio.mTrackDemuxer = mDemuxer->GetTrackDemuxer(TrackInfo::kAudioTrack, 0);
|
|
if (!mAudio.mTrackDemuxer) {
|
|
mMetadataPromise.Reject(NS_ERROR_DOM_MEDIA_METADATA_ERR, __func__);
|
|
return;
|
|
}
|
|
|
|
UniquePtr<TrackInfo> audioInfo = mAudio.mTrackDemuxer->GetInfo();
|
|
// We actively ignore audio tracks that we know we can't play.
|
|
audioActive =
|
|
audioInfo && audioInfo->IsValid() &&
|
|
(!platform || platform->SupportsMimeType(audioInfo->mMimeType, nullptr));
|
|
|
|
if (audioActive) {
|
|
{
|
|
MutexAutoLock lock(mAudio.mMutex);
|
|
mInfo.mAudio = *audioInfo->GetAsAudioInfo();
|
|
}
|
|
for (const MetadataTag& tag : audioInfo->mTags) {
|
|
tags->Put(tag.mKey, tag.mValue);
|
|
}
|
|
mAudio.mOriginalInfo = Move(audioInfo);
|
|
mTrackDemuxersMayBlock |= mAudio.mTrackDemuxer->GetSamplesMayBlock();
|
|
} else {
|
|
mAudio.mTrackDemuxer->BreakCycles();
|
|
mAudio.mTrackDemuxer = nullptr;
|
|
}
|
|
}
|
|
|
|
UniquePtr<EncryptionInfo> crypto = mDemuxer->GetCrypto();
|
|
if (crypto && crypto->IsEncrypted()) {
|
|
// Try and dispatch 'encrypted'. Won't go if ready state still HAVE_NOTHING.
|
|
for (uint32_t i = 0; i < crypto->mInitDatas.Length(); i++) {
|
|
mOnEncrypted.Notify(crypto->mInitDatas[i].mInitData,
|
|
crypto->mInitDatas[i].mType);
|
|
}
|
|
mInfo.mCrypto = *crypto;
|
|
}
|
|
|
|
auto videoDuration = HasVideo() ? mInfo.mVideo.mDuration : TimeUnit::Zero();
|
|
auto audioDuration = HasAudio() ? mInfo.mAudio.mDuration : TimeUnit::Zero();
|
|
|
|
auto duration = std::max(videoDuration, audioDuration);
|
|
if (duration.IsPositive()) {
|
|
mInfo.mMetadataDuration = Some(duration);
|
|
}
|
|
|
|
mInfo.mMediaSeekable = mDemuxer->IsSeekable();
|
|
mInfo.mMediaSeekableOnlyInBufferedRanges =
|
|
mDemuxer->IsSeekableOnlyInBufferedRanges();
|
|
|
|
if (!videoActive && !audioActive) {
|
|
mMetadataPromise.Reject(NS_ERROR_DOM_MEDIA_METADATA_ERR, __func__);
|
|
return;
|
|
}
|
|
|
|
mTags = Move(tags);
|
|
mInitDone = true;
|
|
|
|
// Try to get the start time.
|
|
// For MSE case, the start time of each track is assumed to be 0.
|
|
// For others, we must demux the first sample to know the start time for each
|
|
// track.
|
|
if (!mDemuxer->ShouldComputeStartTime()) {
|
|
mAudio.mFirstDemuxedSampleTime.emplace(TimeUnit::Zero());
|
|
mVideo.mFirstDemuxedSampleTime.emplace(TimeUnit::Zero());
|
|
} else {
|
|
if (HasAudio()) {
|
|
RequestDemuxSamples(TrackInfo::kAudioTrack);
|
|
}
|
|
|
|
if (HasVideo()) {
|
|
RequestDemuxSamples(TrackInfo::kVideoTrack);
|
|
}
|
|
}
|
|
|
|
if (aResult != NS_OK) {
|
|
mOnDecodeWarning.Notify(aResult);
|
|
}
|
|
|
|
MaybeResolveMetadataPromise();
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::MaybeResolveMetadataPromise()
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
|
|
if ((HasAudio() && mAudio.mFirstDemuxedSampleTime.isNothing()) ||
|
|
(HasVideo() && mVideo.mFirstDemuxedSampleTime.isNothing())) {
|
|
return;
|
|
}
|
|
|
|
TimeUnit startTime =
|
|
std::min(mAudio.mFirstDemuxedSampleTime.refOr(TimeUnit::FromInfinity()),
|
|
mVideo.mFirstDemuxedSampleTime.refOr(TimeUnit::FromInfinity()));
|
|
|
|
if (!startTime.IsInfinite()) {
|
|
mInfo.mStartTime = startTime; // mInfo.mStartTime is initialized to 0.
|
|
}
|
|
|
|
MetadataHolder metadata;
|
|
metadata.mInfo = MakeUnique<MediaInfo>(mInfo);
|
|
metadata.mTags = mTags->Count() ? Move(mTags) : nullptr;
|
|
|
|
// We now have all the informations required to calculate the initial buffered
|
|
// range.
|
|
mHasStartTime = true;
|
|
UpdateBuffered();
|
|
|
|
mMetadataPromise.Resolve(Move(metadata), __func__);
|
|
}
|
|
|
|
bool
|
|
MediaFormatReader::IsEncrypted() const
|
|
{
|
|
return (HasAudio() && mInfo.mAudio.mCrypto.mValid) ||
|
|
(HasVideo() && mInfo.mVideo.mCrypto.mValid);
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::OnDemuxerInitFailed(const MediaResult& aError)
|
|
{
|
|
mDemuxerInitRequest.Complete();
|
|
mMetadataPromise.Reject(aError, __func__);
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::ReadUpdatedMetadata(MediaInfo* aInfo)
|
|
{
|
|
*aInfo = mInfo;
|
|
}
|
|
|
|
MediaFormatReader::DecoderData&
|
|
MediaFormatReader::GetDecoderData(TrackType aTrack)
|
|
{
|
|
MOZ_ASSERT(aTrack == TrackInfo::kAudioTrack ||
|
|
aTrack == TrackInfo::kVideoTrack);
|
|
if (aTrack == TrackInfo::kAudioTrack) {
|
|
return mAudio;
|
|
}
|
|
return mVideo;
|
|
}
|
|
|
|
bool
|
|
MediaFormatReader::ShouldSkip(TimeUnit aTimeThreshold)
|
|
{
|
|
MOZ_ASSERT(HasVideo());
|
|
|
|
if (!MediaPrefs::MFRSkipToNextKeyFrameEnabled()) {
|
|
return false;
|
|
}
|
|
|
|
TimeUnit nextKeyframe;
|
|
nsresult rv = mVideo.mTrackDemuxer->GetNextRandomAccessPoint(&nextKeyframe);
|
|
if (NS_FAILED(rv)) {
|
|
// Only OggTrackDemuxer with video type gets into here.
|
|
// We don't support skip-to-next-frame for this case.
|
|
return false;
|
|
}
|
|
return (nextKeyframe <= aTimeThreshold ||
|
|
(mVideo.mTimeThreshold &&
|
|
mVideo.mTimeThreshold.ref().EndTime() < aTimeThreshold)) &&
|
|
nextKeyframe.ToMicroseconds() >= 0 && !nextKeyframe.IsInfinite();
|
|
}
|
|
|
|
RefPtr<MediaFormatReader::VideoDataPromise>
|
|
MediaFormatReader::RequestVideoData(const TimeUnit& aTimeThreshold)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
MOZ_DIAGNOSTIC_ASSERT(mSeekPromise.IsEmpty(),
|
|
"No sample requests allowed while seeking");
|
|
MOZ_DIAGNOSTIC_ASSERT(!mVideo.HasPromise(), "No duplicate sample requests");
|
|
MOZ_DIAGNOSTIC_ASSERT(!mVideo.mSeekRequest.Exists() ||
|
|
mVideo.mTimeThreshold.isSome());
|
|
MOZ_DIAGNOSTIC_ASSERT(!IsSeeking(), "called mid-seek");
|
|
LOGV("RequestVideoData(%" PRId64 ")", aTimeThreshold.ToMicroseconds());
|
|
|
|
if (!HasVideo()) {
|
|
LOG("called with no video track");
|
|
return VideoDataPromise::CreateAndReject(NS_ERROR_DOM_MEDIA_FATAL_ERR,
|
|
__func__);
|
|
}
|
|
|
|
if (IsSeeking()) {
|
|
LOG("called mid-seek. Rejecting.");
|
|
return VideoDataPromise::CreateAndReject(NS_ERROR_DOM_MEDIA_CANCELED,
|
|
__func__);
|
|
}
|
|
|
|
if (mShutdown) {
|
|
NS_WARNING("RequestVideoData on shutdown MediaFormatReader!");
|
|
return VideoDataPromise::CreateAndReject(NS_ERROR_DOM_MEDIA_CANCELED,
|
|
__func__);
|
|
}
|
|
|
|
// Ensure we have no pending seek going as ShouldSkip could return out of date
|
|
// information.
|
|
if (!mVideo.HasInternalSeekPending() && ShouldSkip(aTimeThreshold)) {
|
|
RefPtr<VideoDataPromise> p = mVideo.EnsurePromise(__func__);
|
|
SkipVideoDemuxToNextKeyFrame(aTimeThreshold);
|
|
return p;
|
|
}
|
|
|
|
RefPtr<VideoDataPromise> p = mVideo.EnsurePromise(__func__);
|
|
ScheduleUpdate(TrackInfo::kVideoTrack);
|
|
|
|
return p;
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::OnDemuxFailed(TrackType aTrack, const MediaResult& aError)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
LOG("Failed to demux %s, failure:%s",
|
|
aTrack == TrackType::kVideoTrack ? "video" : "audio",
|
|
aError.ErrorName().get());
|
|
auto& decoder = GetDecoderData(aTrack);
|
|
decoder.mDemuxRequest.Complete();
|
|
switch (aError.Code()) {
|
|
case NS_ERROR_DOM_MEDIA_END_OF_STREAM:
|
|
if (!decoder.mWaitingForData) {
|
|
decoder.RequestDrain();
|
|
}
|
|
NotifyEndOfStream(aTrack);
|
|
break;
|
|
case NS_ERROR_DOM_MEDIA_WAITING_FOR_DATA:
|
|
if (!decoder.mWaitingForData) {
|
|
decoder.RequestDrain();
|
|
}
|
|
NotifyWaitingForData(aTrack);
|
|
break;
|
|
case NS_ERROR_DOM_MEDIA_CANCELED:
|
|
if (decoder.HasPromise()) {
|
|
decoder.RejectPromise(NS_ERROR_DOM_MEDIA_CANCELED, __func__);
|
|
}
|
|
break;
|
|
default:
|
|
NotifyError(aTrack, aError);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::DoDemuxVideo()
|
|
{
|
|
using SamplesPromise = MediaTrackDemuxer::SamplesPromise;
|
|
|
|
auto p = mVideo.mTrackDemuxer->GetSamples(1);
|
|
|
|
if (mVideo.mFirstDemuxedSampleTime.isNothing()) {
|
|
RefPtr<MediaFormatReader> self = this;
|
|
p = p->Then(OwnerThread(), __func__,
|
|
[self] (RefPtr<MediaTrackDemuxer::SamplesHolder> aSamples) {
|
|
self->OnFirstDemuxCompleted(TrackInfo::kVideoTrack, aSamples);
|
|
return SamplesPromise::CreateAndResolve(aSamples.forget(), __func__);
|
|
},
|
|
[self] (const MediaResult& aError) {
|
|
self->OnFirstDemuxFailed(TrackInfo::kVideoTrack, aError);
|
|
return SamplesPromise::CreateAndReject(aError, __func__);
|
|
});
|
|
}
|
|
|
|
p->Then(OwnerThread(), __func__, this,
|
|
&MediaFormatReader::OnVideoDemuxCompleted,
|
|
&MediaFormatReader::OnVideoDemuxFailed)
|
|
->Track(mVideo.mDemuxRequest);
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::OnVideoDemuxCompleted(
|
|
RefPtr<MediaTrackDemuxer::SamplesHolder> aSamples)
|
|
{
|
|
LOGV("%zu video samples demuxed (sid:%d)",
|
|
aSamples->mSamples.Length(),
|
|
aSamples->mSamples[0]->mTrackInfo
|
|
? aSamples->mSamples[0]->mTrackInfo->GetID()
|
|
: 0);
|
|
mVideo.mDemuxRequest.Complete();
|
|
mVideo.mQueuedSamples.AppendElements(aSamples->mSamples);
|
|
ScheduleUpdate(TrackInfo::kVideoTrack);
|
|
}
|
|
|
|
RefPtr<MediaFormatReader::AudioDataPromise>
|
|
MediaFormatReader::RequestAudioData()
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
MOZ_DIAGNOSTIC_ASSERT(!mAudio.HasPromise(), "No duplicate sample requests");
|
|
MOZ_DIAGNOSTIC_ASSERT(IsVideoSeeking() || mSeekPromise.IsEmpty(),
|
|
"No sample requests allowed while seeking");
|
|
MOZ_DIAGNOSTIC_ASSERT(IsVideoSeeking() || !mAudio.mSeekRequest.Exists() ||
|
|
mAudio.mTimeThreshold.isSome());
|
|
MOZ_DIAGNOSTIC_ASSERT(IsVideoSeeking() || !IsSeeking(), "called mid-seek");
|
|
LOGV("");
|
|
|
|
if (!HasAudio()) {
|
|
LOG("called with no audio track");
|
|
return AudioDataPromise::CreateAndReject(NS_ERROR_DOM_MEDIA_FATAL_ERR,
|
|
__func__);
|
|
}
|
|
|
|
if (IsSeeking()) {
|
|
LOG("called mid-seek. Rejecting.");
|
|
return AudioDataPromise::CreateAndReject(NS_ERROR_DOM_MEDIA_CANCELED,
|
|
__func__);
|
|
}
|
|
|
|
if (mShutdown) {
|
|
NS_WARNING("RequestAudioData on shutdown MediaFormatReader!");
|
|
return AudioDataPromise::CreateAndReject(NS_ERROR_DOM_MEDIA_CANCELED,
|
|
__func__);
|
|
}
|
|
|
|
RefPtr<AudioDataPromise> p = mAudio.EnsurePromise(__func__);
|
|
ScheduleUpdate(TrackInfo::kAudioTrack);
|
|
|
|
return p;
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::DoDemuxAudio()
|
|
{
|
|
using SamplesPromise = MediaTrackDemuxer::SamplesPromise;
|
|
|
|
auto p = mAudio.mTrackDemuxer->GetSamples(1);
|
|
|
|
if (mAudio.mFirstDemuxedSampleTime.isNothing()) {
|
|
RefPtr<MediaFormatReader> self = this;
|
|
p = p->Then(OwnerThread(), __func__,
|
|
[self] (RefPtr<MediaTrackDemuxer::SamplesHolder> aSamples) {
|
|
self->OnFirstDemuxCompleted(TrackInfo::kAudioTrack, aSamples);
|
|
return SamplesPromise::CreateAndResolve(aSamples.forget(), __func__);
|
|
},
|
|
[self] (const MediaResult& aError) {
|
|
self->OnFirstDemuxFailed(TrackInfo::kAudioTrack, aError);
|
|
return SamplesPromise::CreateAndReject(aError, __func__);
|
|
});
|
|
}
|
|
|
|
p->Then(OwnerThread(), __func__, this,
|
|
&MediaFormatReader::OnAudioDemuxCompleted,
|
|
&MediaFormatReader::OnAudioDemuxFailed)
|
|
->Track(mAudio.mDemuxRequest);
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::OnAudioDemuxCompleted(
|
|
RefPtr<MediaTrackDemuxer::SamplesHolder> aSamples)
|
|
{
|
|
LOGV("%zu audio samples demuxed (sid:%d)",
|
|
aSamples->mSamples.Length(),
|
|
aSamples->mSamples[0]->mTrackInfo
|
|
? aSamples->mSamples[0]->mTrackInfo->GetID()
|
|
: 0);
|
|
mAudio.mDemuxRequest.Complete();
|
|
mAudio.mQueuedSamples.AppendElements(aSamples->mSamples);
|
|
ScheduleUpdate(TrackInfo::kAudioTrack);
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::NotifyNewOutput(
|
|
TrackType aTrack, const MediaDataDecoder::DecodedData& aResults)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
auto& decoder = GetDecoderData(aTrack);
|
|
for (auto& sample : aResults) {
|
|
LOGV("Received new %s sample time:%" PRId64 " duration:%" PRId64,
|
|
TrackTypeToStr(aTrack), sample->mTime.ToMicroseconds(),
|
|
sample->mDuration.ToMicroseconds());
|
|
decoder.mOutput.AppendElement(sample);
|
|
decoder.mNumSamplesOutput++;
|
|
decoder.mNumOfConsecutiveError = 0;
|
|
}
|
|
LOG("Done processing new %s samples", TrackTypeToStr(aTrack));
|
|
|
|
if (!aResults.IsEmpty()) {
|
|
// We have decoded our first frame, we can now starts to skip future errors.
|
|
decoder.mFirstFrameTime.reset();
|
|
}
|
|
ScheduleUpdate(aTrack);
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::NotifyError(TrackType aTrack, const MediaResult& aError)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
NS_WARNING(aError.Description().get());
|
|
LOGV("%s Decoding error", TrackTypeToStr(aTrack));
|
|
auto& decoder = GetDecoderData(aTrack);
|
|
decoder.mError = decoder.HasFatalError() ? decoder.mError : Some(aError);
|
|
|
|
// The GPU process had crashed and we receive a
|
|
// NS_ERROR_DOM_MEDIA_NEED_NEW_DECODER because we were doing HW decoding.
|
|
// Now, save the related data and we will report the recovery time when a new
|
|
// decoder is ready.
|
|
if (aTrack == TrackType::kVideoTrack &&
|
|
aError == NS_ERROR_DOM_MEDIA_NEED_NEW_DECODER &&
|
|
!aError.GPUCrashTimeStamp().IsNull()) {
|
|
|
|
GPUProcessCrashTelemetryLogger::RecordGPUCrashData(mMediaDecoderOwnerID,
|
|
decoder.mDecoder.get(),
|
|
aError.GPUCrashTimeStamp(),
|
|
TimeStamp::Now());
|
|
}
|
|
|
|
ScheduleUpdate(aTrack);
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::NotifyWaitingForData(TrackType aTrack)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
auto& decoder = GetDecoderData(aTrack);
|
|
decoder.mWaitingForData = true;
|
|
if (decoder.mTimeThreshold) {
|
|
decoder.mTimeThreshold.ref().mWaiting = true;
|
|
}
|
|
ScheduleUpdate(aTrack);
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::NotifyWaitingForKey(TrackType aTrack)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
auto& decoder = GetDecoderData(aTrack);
|
|
mOnWaitingForKey.Notify();
|
|
if (!decoder.mDecodeRequest.Exists()) {
|
|
LOGV("WaitingForKey received while no pending decode. Ignoring");
|
|
return;
|
|
}
|
|
decoder.mWaitingForKey = true;
|
|
ScheduleUpdate(aTrack);
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::NotifyEndOfStream(TrackType aTrack)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
auto& decoder = GetDecoderData(aTrack);
|
|
decoder.mDemuxEOS = true;
|
|
ScheduleUpdate(aTrack);
|
|
}
|
|
|
|
bool
|
|
MediaFormatReader::NeedInput(DecoderData& aDecoder)
|
|
{
|
|
// The decoder will not be fed a new raw sample until the current decoding
|
|
// requests has completed.
|
|
return
|
|
(aDecoder.HasPromise() || aDecoder.mTimeThreshold.isSome()) &&
|
|
!aDecoder.HasPendingDrain() &&
|
|
!aDecoder.HasFatalError() &&
|
|
!aDecoder.mDemuxRequest.Exists() &&
|
|
!aDecoder.mOutput.Length() &&
|
|
!aDecoder.HasInternalSeekPending() &&
|
|
!aDecoder.mDecodeRequest.Exists();
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::ScheduleUpdate(TrackType aTrack)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
if (mShutdown) {
|
|
return;
|
|
}
|
|
auto& decoder = GetDecoderData(aTrack);
|
|
if (decoder.mUpdateScheduled) {
|
|
return;
|
|
}
|
|
LOGV("SchedulingUpdate(%s)", TrackTypeToStr(aTrack));
|
|
decoder.mUpdateScheduled = true;
|
|
RefPtr<nsIRunnable> task(NewRunnableMethod<TrackType>(
|
|
"MediaFormatReader::Update", this, &MediaFormatReader::Update, aTrack));
|
|
OwnerThread()->Dispatch(task.forget());
|
|
}
|
|
|
|
bool
|
|
MediaFormatReader::UpdateReceivedNewData(TrackType aTrack)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
auto& decoder = GetDecoderData(aTrack);
|
|
|
|
if (!decoder.mReceivedNewData) {
|
|
return false;
|
|
}
|
|
|
|
// We do not want to clear mWaitingForData while there are pending
|
|
// demuxing or seeking operations that could affect the value of this flag.
|
|
// This is in order to ensure that we will retry once they complete as we may
|
|
// now have new data that could potentially allow those operations to
|
|
// successfully complete if tried again.
|
|
if (decoder.mSeekRequest.Exists()) {
|
|
// Nothing more to do until this operation complete.
|
|
return true;
|
|
}
|
|
|
|
if (aTrack == TrackType::kVideoTrack && mSkipRequest.Exists()) {
|
|
LOGV("Skipping in progress, nothing more to do");
|
|
return true;
|
|
}
|
|
|
|
if (decoder.mDemuxRequest.Exists()) {
|
|
// We may have pending operations to process, so we want to continue
|
|
// after UpdateReceivedNewData returns.
|
|
return false;
|
|
}
|
|
|
|
if (decoder.HasPendingDrain()) {
|
|
// We do not want to clear mWaitingForData or mDemuxEOS while
|
|
// a drain is in progress in order to properly complete the operation.
|
|
return false;
|
|
}
|
|
|
|
decoder.mReceivedNewData = false;
|
|
if (decoder.mTimeThreshold) {
|
|
decoder.mTimeThreshold.ref().mWaiting = false;
|
|
}
|
|
decoder.mWaitingForData = false;
|
|
|
|
if (decoder.HasFatalError()) {
|
|
return false;
|
|
}
|
|
|
|
if (!mSeekPromise.IsEmpty() &&
|
|
(!IsVideoSeeking() || aTrack == TrackInfo::kVideoTrack)) {
|
|
MOZ_ASSERT(!decoder.HasPromise());
|
|
MOZ_DIAGNOSTIC_ASSERT(
|
|
(IsVideoSeeking() || !mAudio.mTimeThreshold) && !mVideo.mTimeThreshold,
|
|
"InternalSeek must have been aborted when Seek was first called");
|
|
MOZ_DIAGNOSTIC_ASSERT(
|
|
(IsVideoSeeking() || !mAudio.HasWaitingPromise()) &&
|
|
!mVideo.HasWaitingPromise(),
|
|
"Waiting promises must have been rejected when Seek was first called");
|
|
if (mVideo.mSeekRequest.Exists() ||
|
|
(!IsVideoSeeking() && mAudio.mSeekRequest.Exists())) {
|
|
// Already waiting for a seek to complete. Nothing more to do.
|
|
return true;
|
|
}
|
|
LOG("Attempting Seek");
|
|
ScheduleSeek();
|
|
return true;
|
|
}
|
|
if (decoder.HasInternalSeekPending() || decoder.HasWaitingPromise()) {
|
|
if (decoder.HasInternalSeekPending()) {
|
|
LOG("Attempting Internal Seek");
|
|
InternalSeek(aTrack, decoder.mTimeThreshold.ref());
|
|
}
|
|
if (decoder.HasWaitingPromise() && !decoder.IsWaiting()) {
|
|
MOZ_ASSERT(!decoder.HasPromise());
|
|
LOG("We have new data. Resolving WaitingPromise");
|
|
decoder.mWaitingPromise.Resolve(decoder.mType, __func__);
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::RequestDemuxSamples(TrackType aTrack)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
auto& decoder = GetDecoderData(aTrack);
|
|
MOZ_ASSERT(!decoder.mDemuxRequest.Exists());
|
|
|
|
if (!decoder.mQueuedSamples.IsEmpty()) {
|
|
// No need to demux new samples.
|
|
return;
|
|
}
|
|
|
|
if (decoder.mDemuxEOS) {
|
|
// Nothing left to demux.
|
|
// We do not want to attempt to demux while in waiting for data mode
|
|
// as it would retrigger an unecessary drain.
|
|
return;
|
|
}
|
|
|
|
LOGV("Requesting extra demux %s", TrackTypeToStr(aTrack));
|
|
if (aTrack == TrackInfo::kVideoTrack) {
|
|
DoDemuxVideo();
|
|
} else {
|
|
DoDemuxAudio();
|
|
}
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::DecodeDemuxedSamples(TrackType aTrack,
|
|
MediaRawData* aSample)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
auto& decoder = GetDecoderData(aTrack);
|
|
RefPtr<MediaFormatReader> self = this;
|
|
decoder.mFlushed = false;
|
|
decoder.mDecoder->Decode(aSample)
|
|
->Then(mTaskQueue, __func__,
|
|
[self, aTrack, &decoder]
|
|
(const MediaDataDecoder::DecodedData& aResults) {
|
|
decoder.mDecodeRequest.Complete();
|
|
self->NotifyNewOutput(aTrack, aResults);
|
|
|
|
// When we recovered from a GPU crash and get the first decoded
|
|
// frame, report the recovery time telemetry.
|
|
if (aTrack == TrackType::kVideoTrack) {
|
|
GPUProcessCrashTelemetryLogger::ReportTelemetry(
|
|
self->mMediaDecoderOwnerID, decoder.mDecoder.get());
|
|
}
|
|
},
|
|
[self, aTrack, &decoder](const MediaResult& aError) {
|
|
decoder.mDecodeRequest.Complete();
|
|
self->NotifyError(aTrack, aError);
|
|
})
|
|
->Track(decoder.mDecodeRequest);
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::HandleDemuxedSamples(
|
|
TrackType aTrack, FrameStatistics::AutoNotifyDecoded& aA)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
|
|
auto& decoder = GetDecoderData(aTrack);
|
|
|
|
if (decoder.mFlushing) {
|
|
LOGV("Decoder operation in progress, let it complete.");
|
|
return;
|
|
}
|
|
|
|
if (decoder.mQueuedSamples.IsEmpty()) {
|
|
return;
|
|
}
|
|
|
|
RefPtr<MediaRawData> sample = decoder.mQueuedSamples[0];
|
|
const RefPtr<TrackInfoSharedPtr> info = sample->mTrackInfo;
|
|
|
|
if (info && decoder.mLastStreamSourceID != info->GetID()) {
|
|
nsTArray<RefPtr<MediaRawData>> samples;
|
|
if (decoder.mDecoder) {
|
|
bool recyclable = MediaPrefs::MediaDecoderCheckRecycling() &&
|
|
decoder.mDecoder->SupportDecoderRecycling();
|
|
if (!recyclable && decoder.mTimeThreshold.isNothing() &&
|
|
(decoder.mNextStreamSourceID.isNothing() ||
|
|
decoder.mNextStreamSourceID.ref() != info->GetID())) {
|
|
LOG("%s stream id has changed from:%d to:%d, draining decoder.",
|
|
TrackTypeToStr(aTrack),
|
|
decoder.mLastStreamSourceID,
|
|
info->GetID());
|
|
decoder.RequestDrain();
|
|
decoder.mNextStreamSourceID = Some(info->GetID());
|
|
ScheduleUpdate(aTrack);
|
|
return;
|
|
}
|
|
|
|
// If flushing is required, it will clear our array of queued samples.
|
|
// So we may need to make a copy.
|
|
samples = decoder.mQueuedSamples;
|
|
if (!recyclable) {
|
|
LOG("Decoder does not support recycling, recreate decoder.");
|
|
ShutdownDecoder(aTrack);
|
|
} else if (decoder.HasWaitingPromise()) {
|
|
decoder.Flush();
|
|
}
|
|
}
|
|
|
|
LOG("%s stream id has changed from:%d to:%d.",
|
|
TrackTypeToStr(aTrack),
|
|
decoder.mLastStreamSourceID,
|
|
info->GetID());
|
|
|
|
decoder.mNextStreamSourceID.reset();
|
|
decoder.mLastStreamSourceID = info->GetID();
|
|
decoder.mInfo = info;
|
|
|
|
decoder.mMeanRate.Reset();
|
|
|
|
if (sample->mKeyframe) {
|
|
if (samples.Length()) {
|
|
decoder.mQueuedSamples = Move(samples);
|
|
}
|
|
} else {
|
|
auto time = TimeInterval(sample->mTime, sample->GetEndTime());
|
|
InternalSeekTarget seekTarget =
|
|
decoder.mTimeThreshold.refOr(InternalSeekTarget(time, false));
|
|
LOG("Stream change occurred on a non-keyframe. Seeking to:%" PRId64,
|
|
sample->mTime.ToMicroseconds());
|
|
InternalSeek(aTrack, seekTarget);
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Calculate the average frame rate. The first frame will be accounted
|
|
// for twice.
|
|
decoder.mMeanRate.Update(sample->mDuration);
|
|
|
|
if (!decoder.mDecoder) {
|
|
mDecoderFactory->CreateDecoder(aTrack);
|
|
return;
|
|
}
|
|
|
|
LOGV("Input:%" PRId64 " (dts:%" PRId64 " kf:%d)",
|
|
sample->mTime.ToMicroseconds(), sample->mTimecode.ToMicroseconds(),
|
|
sample->mKeyframe);
|
|
decoder.mNumSamplesInput++;
|
|
decoder.mSizeOfQueue++;
|
|
if (aTrack == TrackInfo::kVideoTrack) {
|
|
aA.mStats.mParsedFrames++;
|
|
}
|
|
|
|
DecodeDemuxedSamples(aTrack, sample);
|
|
|
|
decoder.mQueuedSamples.RemoveElementAt(0);
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::InternalSeek(TrackType aTrack,
|
|
const InternalSeekTarget& aTarget)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
LOG("%s internal seek to %f",
|
|
TrackTypeToStr(aTrack), aTarget.Time().ToSeconds());
|
|
|
|
auto& decoder = GetDecoderData(aTrack);
|
|
decoder.Flush();
|
|
decoder.ResetDemuxer();
|
|
decoder.mTimeThreshold = Some(aTarget);
|
|
RefPtr<MediaFormatReader> self = this;
|
|
decoder.mTrackDemuxer->Seek(decoder.mTimeThreshold.ref().Time())
|
|
->Then(OwnerThread(), __func__,
|
|
[self, aTrack] (TimeUnit aTime) {
|
|
auto& decoder = self->GetDecoderData(aTrack);
|
|
decoder.mSeekRequest.Complete();
|
|
MOZ_ASSERT(
|
|
decoder.mTimeThreshold,
|
|
"Seek promise must be disconnected when timethreshold is reset");
|
|
decoder.mTimeThreshold.ref().mHasSeeked = true;
|
|
self->SetVideoDecodeThreshold();
|
|
self->ScheduleUpdate(aTrack);
|
|
},
|
|
[self, aTrack] (const MediaResult& aError) {
|
|
auto& decoder = self->GetDecoderData(aTrack);
|
|
decoder.mSeekRequest.Complete();
|
|
switch (aError.Code()) {
|
|
case NS_ERROR_DOM_MEDIA_WAITING_FOR_DATA:
|
|
self->NotifyWaitingForData(aTrack);
|
|
break;
|
|
case NS_ERROR_DOM_MEDIA_END_OF_STREAM:
|
|
decoder.mTimeThreshold.reset();
|
|
self->NotifyEndOfStream(aTrack);
|
|
break;
|
|
case NS_ERROR_DOM_MEDIA_CANCELED:
|
|
decoder.mTimeThreshold.reset();
|
|
break;
|
|
default:
|
|
decoder.mTimeThreshold.reset();
|
|
self->NotifyError(aTrack, aError);
|
|
break;
|
|
}
|
|
})
|
|
->Track(decoder.mSeekRequest);
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::DrainDecoder(TrackType aTrack)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
|
|
auto& decoder = GetDecoderData(aTrack);
|
|
if (decoder.mDrainState == DrainState::Draining) {
|
|
return;
|
|
}
|
|
if (!decoder.mDecoder ||
|
|
(decoder.mDrainState != DrainState::PartialDrainPending &&
|
|
decoder.mNumSamplesInput == decoder.mNumSamplesOutput)) {
|
|
// No frames to drain.
|
|
LOGV("Draining %s with nothing to drain", TrackTypeToStr(aTrack));
|
|
decoder.mDrainState = DrainState::DrainAborted;
|
|
ScheduleUpdate(aTrack);
|
|
return;
|
|
}
|
|
|
|
decoder.mDrainState = DrainState::Draining;
|
|
|
|
RefPtr<MediaFormatReader> self = this;
|
|
decoder.mDecoder->Drain()
|
|
->Then(mTaskQueue, __func__,
|
|
[self, aTrack, &decoder]
|
|
(const MediaDataDecoder::DecodedData& aResults) {
|
|
decoder.mDrainRequest.Complete();
|
|
if (aResults.IsEmpty()) {
|
|
decoder.mDrainState = DrainState::DrainCompleted;
|
|
} else {
|
|
self->NotifyNewOutput(aTrack, aResults);
|
|
// Let's see if we have any more data available to drain.
|
|
decoder.mDrainState = DrainState::PartialDrainPending;
|
|
}
|
|
self->ScheduleUpdate(aTrack);
|
|
},
|
|
[self, aTrack, &decoder](const MediaResult& aError) {
|
|
decoder.mDrainRequest.Complete();
|
|
self->NotifyError(aTrack, aError);
|
|
})
|
|
->Track(decoder.mDrainRequest);
|
|
LOG("Requesting %s decoder to drain", TrackTypeToStr(aTrack));
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::Update(TrackType aTrack)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
|
|
if (mShutdown) {
|
|
return;
|
|
}
|
|
|
|
LOGV("Processing update for %s", TrackTypeToStr(aTrack));
|
|
|
|
bool needOutput = false;
|
|
auto& decoder = GetDecoderData(aTrack);
|
|
decoder.mUpdateScheduled = false;
|
|
|
|
if (!mInitDone) {
|
|
return;
|
|
}
|
|
|
|
if (aTrack == TrackType::kVideoTrack && mSkipRequest.Exists()) {
|
|
LOGV("Skipping in progress, nothing more to do");
|
|
return;
|
|
}
|
|
|
|
if (UpdateReceivedNewData(aTrack)) {
|
|
LOGV("Nothing more to do");
|
|
return;
|
|
}
|
|
|
|
if (decoder.mSeekRequest.Exists()) {
|
|
LOGV("Seeking hasn't completed, nothing more to do");
|
|
return;
|
|
}
|
|
|
|
MOZ_DIAGNOSTIC_ASSERT(
|
|
!decoder.HasInternalSeekPending() ||
|
|
(!decoder.mOutput.Length() && !decoder.mQueuedSamples.Length()),
|
|
"No frames can be demuxed or decoded while an internal seek is pending");
|
|
|
|
// Record number of frames decoded and parsed. Automatically update the
|
|
// stats counters using the AutoNotifyDecoded stack-based class.
|
|
FrameStatistics::AutoNotifyDecoded a(mFrameStats);
|
|
|
|
// Drop any frames found prior our internal seek target.
|
|
while (decoder.mTimeThreshold && decoder.mOutput.Length()) {
|
|
RefPtr<MediaData>& output = decoder.mOutput[0];
|
|
InternalSeekTarget target = decoder.mTimeThreshold.ref();
|
|
auto time = output->mTime;
|
|
if (time >= target.Time()) {
|
|
// We have reached our internal seek target.
|
|
decoder.mTimeThreshold.reset();
|
|
// We might have dropped some keyframes.
|
|
mPreviousDecodedKeyframeTime_us = sNoPreviousDecodedKeyframe;
|
|
}
|
|
if (time < target.Time() || (target.mDropTarget && target.Contains(time))) {
|
|
LOGV("Internal Seeking: Dropping %s frame time:%f wanted:%f (kf:%d)",
|
|
TrackTypeToStr(aTrack),
|
|
output->mTime.ToSeconds(),
|
|
target.Time().ToSeconds(),
|
|
output->mKeyframe);
|
|
decoder.mOutput.RemoveElementAt(0);
|
|
decoder.mSizeOfQueue -= 1;
|
|
}
|
|
}
|
|
|
|
while (decoder.mOutput.Length() &&
|
|
decoder.mOutput[0]->mType == MediaData::NULL_DATA) {
|
|
LOGV("Dropping null data. Time: %" PRId64,
|
|
decoder.mOutput[0]->mTime.ToMicroseconds());
|
|
decoder.mOutput.RemoveElementAt(0);
|
|
decoder.mSizeOfQueue -= 1;
|
|
}
|
|
|
|
if (decoder.HasPromise()) {
|
|
needOutput = true;
|
|
if (decoder.mOutput.Length()) {
|
|
RefPtr<MediaData> output = decoder.mOutput[0];
|
|
decoder.mOutput.RemoveElementAt(0);
|
|
decoder.mSizeOfQueue -= 1;
|
|
decoder.mLastDecodedSampleTime =
|
|
Some(TimeInterval(output->mTime, output->GetEndTime()));
|
|
decoder.mNumSamplesOutputTotal++;
|
|
ReturnOutput(output, aTrack);
|
|
// We have a decoded sample ready to be returned.
|
|
if (aTrack == TrackType::kVideoTrack) {
|
|
uint64_t delta =
|
|
decoder.mNumSamplesOutputTotal - mLastReportedNumDecodedFrames;
|
|
a.mStats.mDecodedFrames = static_cast<uint32_t>(delta);
|
|
mLastReportedNumDecodedFrames = decoder.mNumSamplesOutputTotal;
|
|
if (output->mKeyframe) {
|
|
if (mPreviousDecodedKeyframeTime_us < output->mTime.ToMicroseconds()) {
|
|
// There is a previous keyframe -> Record inter-keyframe stats.
|
|
uint64_t segment_us =
|
|
output->mTime.ToMicroseconds() - mPreviousDecodedKeyframeTime_us;
|
|
a.mStats.mInterKeyframeSum_us += segment_us;
|
|
a.mStats.mInterKeyframeCount += 1;
|
|
if (a.mStats.mInterKeyFrameMax_us < segment_us) {
|
|
a.mStats.mInterKeyFrameMax_us = segment_us;
|
|
}
|
|
}
|
|
mPreviousDecodedKeyframeTime_us = output->mTime.ToMicroseconds();
|
|
}
|
|
nsCString error;
|
|
mVideo.mIsHardwareAccelerated =
|
|
mVideo.mDecoder && mVideo.mDecoder->IsHardwareAccelerated(error);
|
|
#ifdef XP_WIN
|
|
// D3D11_YCBCR_IMAGE images are GPU based, we try to limit the amount
|
|
// of GPU RAM used.
|
|
VideoData* videoData = static_cast<VideoData*>(output.get());
|
|
mVideo.mIsHardwareAccelerated =
|
|
mVideo.mIsHardwareAccelerated ||
|
|
(videoData->mImage &&
|
|
videoData->mImage->GetFormat() == ImageFormat::D3D11_YCBCR_IMAGE);
|
|
#endif
|
|
}
|
|
} else if (decoder.HasFatalError()) {
|
|
LOG("Rejecting %s promise: DECODE_ERROR", TrackTypeToStr(aTrack));
|
|
decoder.RejectPromise(decoder.mError.ref(), __func__);
|
|
return;
|
|
} else if (decoder.HasCompletedDrain()) {
|
|
if (decoder.mDemuxEOS) {
|
|
LOG("Rejecting %s promise: EOS", TrackTypeToStr(aTrack));
|
|
decoder.RejectPromise(NS_ERROR_DOM_MEDIA_END_OF_STREAM, __func__);
|
|
} else if (decoder.mWaitingForData) {
|
|
if (decoder.mDrainState == DrainState::DrainCompleted &&
|
|
decoder.mLastDecodedSampleTime &&
|
|
!decoder.mNextStreamSourceID) {
|
|
// We have completed draining the decoder following WaitingForData.
|
|
// Set up the internal seek machinery to be able to resume from the
|
|
// last sample decoded.
|
|
LOG("Seeking to last sample time: %" PRId64,
|
|
decoder.mLastDecodedSampleTime.ref().mStart.ToMicroseconds());
|
|
InternalSeek(aTrack,
|
|
InternalSeekTarget(decoder.mLastDecodedSampleTime.ref(), true));
|
|
}
|
|
if (!decoder.mReceivedNewData) {
|
|
LOG("Rejecting %s promise: WAITING_FOR_DATA", TrackTypeToStr(aTrack));
|
|
decoder.RejectPromise(NS_ERROR_DOM_MEDIA_WAITING_FOR_DATA, __func__);
|
|
}
|
|
}
|
|
|
|
decoder.mDrainState = DrainState::None;
|
|
|
|
// Now that draining has completed, we check if we have received
|
|
// new data again as the result may now be different from the earlier
|
|
// run.
|
|
if (UpdateReceivedNewData(aTrack) || decoder.mSeekRequest.Exists()) {
|
|
LOGV("Nothing more to do");
|
|
return;
|
|
}
|
|
} else if (decoder.mDemuxEOS &&
|
|
!decoder.HasPendingDrain() &&
|
|
decoder.mQueuedSamples.IsEmpty()) {
|
|
// It is possible to transition from WAITING_FOR_DATA directly to EOS
|
|
// state during the internal seek; in which case no draining would occur.
|
|
// There is no more samples left to be decoded and we are already in
|
|
// EOS state. We can immediately reject the data promise.
|
|
LOG("Rejecting %s promise: EOS", TrackTypeToStr(aTrack));
|
|
decoder.RejectPromise(NS_ERROR_DOM_MEDIA_END_OF_STREAM, __func__);
|
|
} else if (decoder.mWaitingForKey) {
|
|
LOG("Rejecting %s promise: WAITING_FOR_DATA due to waiting for key",
|
|
TrackTypeToStr(aTrack));
|
|
decoder.RejectPromise(NS_ERROR_DOM_MEDIA_WAITING_FOR_DATA, __func__);
|
|
} else if (IsDecoderWaitingForCDM(aTrack)) {
|
|
// Rejecting the promise could lead to entering buffering state for MDSM,
|
|
// once a qualified(with the same key system and sessions created by the
|
|
// same InitData) new cdm proxy is set, decoding can be resumed.
|
|
LOG("Rejecting %s promise: WAITING_FOR_DATA due to waiting for CDM",
|
|
TrackTypeToStr(aTrack));
|
|
decoder.RejectPromise(NS_ERROR_DOM_MEDIA_WAITING_FOR_DATA, __func__);
|
|
}
|
|
}
|
|
|
|
if (decoder.mDrainState == DrainState::DrainRequested ||
|
|
decoder.mDrainState == DrainState::PartialDrainPending) {
|
|
if (decoder.mOutput.IsEmpty()) {
|
|
DrainDecoder(aTrack);
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (decoder.mError && !decoder.HasFatalError()) {
|
|
MOZ_RELEASE_ASSERT(!decoder.HasInternalSeekPending(),
|
|
"No error can occur while an internal seek is pending");
|
|
bool needsNewDecoder =
|
|
decoder.mError.ref() == NS_ERROR_DOM_MEDIA_NEED_NEW_DECODER;
|
|
if (!needsNewDecoder &&
|
|
++decoder.mNumOfConsecutiveError > decoder.mMaxConsecutiveError) {
|
|
NotifyError(aTrack, decoder.mError.ref());
|
|
return;
|
|
}
|
|
decoder.mError.reset();
|
|
|
|
LOG("%s decoded error count %d", TrackTypeToStr(aTrack),
|
|
decoder.mNumOfConsecutiveError);
|
|
|
|
if (needsNewDecoder) {
|
|
LOG("Error: Need new decoder");
|
|
ShutdownDecoder(aTrack);
|
|
}
|
|
if (decoder.mFirstFrameTime) {
|
|
TimeInterval seekInterval = TimeInterval(decoder.mFirstFrameTime.ref(),
|
|
decoder.mFirstFrameTime.ref());
|
|
InternalSeek(aTrack, InternalSeekTarget(seekInterval, false));
|
|
return;
|
|
}
|
|
|
|
TimeUnit nextKeyframe;
|
|
if (aTrack == TrackType::kVideoTrack &&
|
|
NS_SUCCEEDED(
|
|
decoder.mTrackDemuxer->GetNextRandomAccessPoint(&nextKeyframe)) &&
|
|
!nextKeyframe.IsInfinite()) {
|
|
SkipVideoDemuxToNextKeyFrame(
|
|
decoder.mLastDecodedSampleTime.refOr(TimeInterval()).Length());
|
|
} else if (aTrack == TrackType::kAudioTrack) {
|
|
decoder.Flush();
|
|
} else {
|
|
// We can't recover from this error.
|
|
NotifyError(aTrack, NS_ERROR_DOM_MEDIA_FATAL_ERR);
|
|
}
|
|
return;
|
|
}
|
|
|
|
bool needInput = NeedInput(decoder);
|
|
|
|
LOGV("Update(%s) ni=%d no=%d in:%" PRIu64 " out:%" PRIu64
|
|
" qs=%u decoding:%d flushing:%d desc:%s pending:%u waiting:%d eos:%d "
|
|
"ds:%d sid:%u waitcdm:%d",
|
|
TrackTypeToStr(aTrack),
|
|
needInput,
|
|
needOutput,
|
|
decoder.mNumSamplesInput,
|
|
decoder.mNumSamplesOutput,
|
|
uint32_t(size_t(decoder.mSizeOfQueue)),
|
|
decoder.mDecodeRequest.Exists(),
|
|
decoder.mFlushing,
|
|
decoder.mDescription.get(),
|
|
uint32_t(decoder.mOutput.Length()),
|
|
decoder.mWaitingForData,
|
|
decoder.mDemuxEOS,
|
|
int32_t(decoder.mDrainState),
|
|
decoder.mLastStreamSourceID,
|
|
IsDecoderWaitingForCDM(aTrack));
|
|
|
|
if (IsWaitingOnCDMResource() || !ResolveSetCDMPromiseIfDone(aTrack)) {
|
|
// If the content is encrypted, MFR won't start to create decoder until
|
|
// CDMProxy is set.
|
|
return;
|
|
}
|
|
|
|
if ((decoder.mWaitingForData &&
|
|
(!decoder.mTimeThreshold || decoder.mTimeThreshold.ref().mWaiting)) ||
|
|
(decoder.mWaitingForKey && decoder.mDecodeRequest.Exists())) {
|
|
// Nothing more we can do at present.
|
|
LOGV("Still waiting for data or key. data(%d)/key(%d)",
|
|
decoder.mWaitingForData,
|
|
decoder.mWaitingForKey);
|
|
return;
|
|
}
|
|
|
|
if (decoder.CancelWaitingForKey()) {
|
|
LOGV("No longer waiting for key. Resolving waiting promise");
|
|
return;
|
|
}
|
|
|
|
if (!needInput) {
|
|
LOGV("No need for additional input (pending:%u)",
|
|
uint32_t(decoder.mOutput.Length()));
|
|
return;
|
|
}
|
|
|
|
// Demux samples if we don't have some.
|
|
RequestDemuxSamples(aTrack);
|
|
|
|
HandleDemuxedSamples(aTrack, a);
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::ReturnOutput(MediaData* aData, TrackType aTrack)
|
|
{
|
|
MOZ_ASSERT(GetDecoderData(aTrack).HasPromise());
|
|
MOZ_DIAGNOSTIC_ASSERT(aData->mType != MediaData::NULL_DATA);
|
|
LOG("Resolved data promise for %s [%" PRId64 ", %" PRId64 "]",
|
|
TrackTypeToStr(aTrack),
|
|
aData->mTime.ToMicroseconds(),
|
|
aData->GetEndTime().ToMicroseconds());
|
|
|
|
if (aTrack == TrackInfo::kAudioTrack) {
|
|
AudioData* audioData = static_cast<AudioData*>(aData);
|
|
|
|
if (audioData->mChannels != mInfo.mAudio.mChannels ||
|
|
audioData->mRate != mInfo.mAudio.mRate) {
|
|
LOG("change of audio format (rate:%d->%d). "
|
|
"This is an unsupported configuration",
|
|
mInfo.mAudio.mRate,
|
|
audioData->mRate);
|
|
mInfo.mAudio.mRate = audioData->mRate;
|
|
mInfo.mAudio.mChannels = audioData->mChannels;
|
|
}
|
|
mAudio.ResolvePromise(audioData, __func__);
|
|
} else if (aTrack == TrackInfo::kVideoTrack) {
|
|
VideoData* videoData = static_cast<VideoData*>(aData);
|
|
|
|
if (videoData->mDisplay != mInfo.mVideo.mDisplay) {
|
|
LOG("change of video display size (%dx%d->%dx%d)",
|
|
mInfo.mVideo.mDisplay.width, mInfo.mVideo.mDisplay.height,
|
|
videoData->mDisplay.width, videoData->mDisplay.height);
|
|
mInfo.mVideo.mDisplay = videoData->mDisplay;
|
|
}
|
|
|
|
TimeUnit nextKeyframe;
|
|
if (!mVideo.HasInternalSeekPending() &&
|
|
NS_SUCCEEDED(
|
|
mVideo.mTrackDemuxer->GetNextRandomAccessPoint(&nextKeyframe))) {
|
|
videoData->SetNextKeyFrameTime(nextKeyframe);
|
|
}
|
|
|
|
mVideo.ResolvePromise(videoData, __func__);
|
|
}
|
|
}
|
|
|
|
size_t
|
|
MediaFormatReader::SizeOfVideoQueueInFrames()
|
|
{
|
|
return SizeOfQueue(TrackInfo::kVideoTrack);
|
|
}
|
|
|
|
size_t
|
|
MediaFormatReader::SizeOfAudioQueueInFrames()
|
|
{
|
|
return SizeOfQueue(TrackInfo::kAudioTrack);
|
|
}
|
|
|
|
size_t
|
|
MediaFormatReader::SizeOfQueue(TrackType aTrack)
|
|
{
|
|
auto& decoder = GetDecoderData(aTrack);
|
|
return decoder.mSizeOfQueue;
|
|
}
|
|
|
|
RefPtr<MediaFormatReader::WaitForDataPromise>
|
|
MediaFormatReader::WaitForData(MediaData::Type aType)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
TrackType trackType = aType == MediaData::VIDEO_DATA ?
|
|
TrackType::kVideoTrack : TrackType::kAudioTrack;
|
|
auto& decoder = GetDecoderData(trackType);
|
|
if (!decoder.IsWaiting()) {
|
|
// We aren't waiting for anything.
|
|
return WaitForDataPromise::CreateAndResolve(decoder.mType, __func__);
|
|
}
|
|
RefPtr<WaitForDataPromise> p = decoder.mWaitingPromise.Ensure(__func__);
|
|
ScheduleUpdate(trackType);
|
|
return p;
|
|
}
|
|
|
|
nsresult
|
|
MediaFormatReader::ResetDecode(TrackSet aTracks)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
LOGV("");
|
|
|
|
mSeekPromise.RejectIfExists(NS_OK, __func__);
|
|
mSkipRequest.DisconnectIfExists();
|
|
|
|
// Do the same for any data wait promises.
|
|
if (aTracks.contains(TrackInfo::kAudioTrack)) {
|
|
mAudio.mWaitingPromise.RejectIfExists(
|
|
WaitForDataRejectValue(MediaData::AUDIO_DATA,
|
|
WaitForDataRejectValue::CANCELED), __func__);
|
|
}
|
|
|
|
if (aTracks.contains(TrackInfo::kVideoTrack)) {
|
|
mVideo.mWaitingPromise.RejectIfExists(
|
|
WaitForDataRejectValue(MediaData::VIDEO_DATA,
|
|
WaitForDataRejectValue::CANCELED), __func__);
|
|
}
|
|
|
|
// Reset miscellaneous seeking state.
|
|
mPendingSeekTime.reset();
|
|
|
|
if (HasVideo() && aTracks.contains(TrackInfo::kVideoTrack)) {
|
|
mVideo.ResetDemuxer();
|
|
mVideo.mFirstFrameTime = Some(media::TimeUnit::Zero());
|
|
Reset(TrackInfo::kVideoTrack);
|
|
if (mVideo.HasPromise()) {
|
|
mVideo.RejectPromise(NS_ERROR_DOM_MEDIA_CANCELED, __func__);
|
|
}
|
|
}
|
|
|
|
if (HasAudio() && aTracks.contains(TrackInfo::kAudioTrack)) {
|
|
mAudio.ResetDemuxer();
|
|
mVideo.mFirstFrameTime = Some(media::TimeUnit::Zero());
|
|
Reset(TrackInfo::kAudioTrack);
|
|
if (mAudio.HasPromise()) {
|
|
mAudio.RejectPromise(NS_ERROR_DOM_MEDIA_CANCELED, __func__);
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::Reset(TrackType aTrack)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
LOG("Reset(%s) BEGIN", TrackTypeToStr(aTrack));
|
|
|
|
auto& decoder = GetDecoderData(aTrack);
|
|
|
|
decoder.ResetState();
|
|
decoder.Flush();
|
|
|
|
LOG("Reset(%s) END", TrackTypeToStr(aTrack));
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::DropDecodedSamples(TrackType aTrack)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
auto& decoder = GetDecoderData(aTrack);
|
|
size_t lengthDecodedQueue = decoder.mOutput.Length();
|
|
if (lengthDecodedQueue && decoder.mTimeThreshold.isSome()) {
|
|
auto time = decoder.mOutput.LastElement()->mTime;
|
|
if (time >= decoder.mTimeThreshold.ref().Time()) {
|
|
// We would have reached our internal seek target.
|
|
decoder.mTimeThreshold.reset();
|
|
}
|
|
}
|
|
decoder.mOutput.Clear();
|
|
decoder.mSizeOfQueue -= lengthDecodedQueue;
|
|
if (aTrack == TrackInfo::kVideoTrack && mFrameStats) {
|
|
mFrameStats->NotifyDecodedFrames({ 0, 0, lengthDecodedQueue });
|
|
}
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::SkipVideoDemuxToNextKeyFrame(TimeUnit aTimeThreshold)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
LOG("Skipping up to %" PRId64, aTimeThreshold.ToMicroseconds());
|
|
|
|
// We've reached SkipVideoDemuxToNextKeyFrame when our decoding is late.
|
|
// As such we can drop all already decoded samples and discard all pending
|
|
// samples.
|
|
DropDecodedSamples(TrackInfo::kVideoTrack);
|
|
|
|
mVideo.mTrackDemuxer->SkipToNextRandomAccessPoint(aTimeThreshold)
|
|
->Then(OwnerThread(), __func__, this,
|
|
&MediaFormatReader::OnVideoSkipCompleted,
|
|
&MediaFormatReader::OnVideoSkipFailed)
|
|
->Track(mSkipRequest);
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::VideoSkipReset(uint32_t aSkipped)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
|
|
// Some frames may have been output by the decoder since we initiated the
|
|
// videoskip process and we know they would be late.
|
|
DropDecodedSamples(TrackInfo::kVideoTrack);
|
|
// Report the pending frames as dropped.
|
|
if (mFrameStats) {
|
|
mFrameStats->NotifyDecodedFrames({ 0, 0, SizeOfVideoQueueInFrames() });
|
|
}
|
|
|
|
// Cancel any pending demux request and pending demuxed samples.
|
|
mVideo.mDemuxRequest.DisconnectIfExists();
|
|
Reset(TrackType::kVideoTrack);
|
|
|
|
if (mFrameStats) {
|
|
mFrameStats->NotifyDecodedFrames({ aSkipped, 0, aSkipped });
|
|
}
|
|
|
|
mVideo.mNumSamplesSkippedTotal += aSkipped;
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::OnVideoSkipCompleted(uint32_t aSkipped)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
LOG("Skipping succeeded, skipped %u frames", aSkipped);
|
|
mSkipRequest.Complete();
|
|
|
|
VideoSkipReset(aSkipped);
|
|
|
|
ScheduleUpdate(TrackInfo::kVideoTrack);
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::OnVideoSkipFailed(
|
|
MediaTrackDemuxer::SkipFailureHolder aFailure)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
LOG("Skipping failed, skipped %u frames", aFailure.mSkipped);
|
|
mSkipRequest.Complete();
|
|
|
|
switch (aFailure.mFailure.Code()) {
|
|
case NS_ERROR_DOM_MEDIA_END_OF_STREAM:
|
|
case NS_ERROR_DOM_MEDIA_WAITING_FOR_DATA:
|
|
// Some frames may have been output by the decoder since we initiated the
|
|
// videoskip process and we know they would be late.
|
|
DropDecodedSamples(TrackInfo::kVideoTrack);
|
|
// We can't complete the skip operation, will just service a video frame
|
|
// normally.
|
|
ScheduleUpdate(TrackInfo::kVideoTrack);
|
|
break;
|
|
case NS_ERROR_DOM_MEDIA_CANCELED:
|
|
if (mVideo.HasPromise()) {
|
|
mVideo.RejectPromise(aFailure.mFailure, __func__);
|
|
}
|
|
break;
|
|
default:
|
|
NotifyError(TrackType::kVideoTrack, aFailure.mFailure);
|
|
break;
|
|
}
|
|
}
|
|
|
|
RefPtr<MediaFormatReader::SeekPromise>
|
|
MediaFormatReader::Seek(const SeekTarget& aTarget)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
|
|
LOG("aTarget=(%" PRId64 ")", aTarget.GetTime().ToMicroseconds());
|
|
|
|
MOZ_DIAGNOSTIC_ASSERT(mSeekPromise.IsEmpty());
|
|
MOZ_DIAGNOSTIC_ASSERT(!mVideo.HasPromise());
|
|
MOZ_DIAGNOSTIC_ASSERT(aTarget.IsVideoOnly() || !mAudio.HasPromise());
|
|
MOZ_DIAGNOSTIC_ASSERT(mPendingSeekTime.isNothing());
|
|
MOZ_DIAGNOSTIC_ASSERT(mVideo.mTimeThreshold.isNothing());
|
|
MOZ_DIAGNOSTIC_ASSERT(aTarget.IsVideoOnly() ||
|
|
mAudio.mTimeThreshold.isNothing());
|
|
|
|
if (!mInfo.mMediaSeekable && !mInfo.mMediaSeekableOnlyInBufferedRanges) {
|
|
LOG("Seek() END (Unseekable)");
|
|
return SeekPromise::CreateAndReject(NS_ERROR_FAILURE, __func__);
|
|
}
|
|
|
|
if (mShutdown) {
|
|
return SeekPromise::CreateAndReject(NS_ERROR_FAILURE, __func__);
|
|
}
|
|
|
|
SetSeekTarget(aTarget);
|
|
|
|
RefPtr<SeekPromise> p = mSeekPromise.Ensure(__func__);
|
|
|
|
ScheduleSeek();
|
|
|
|
return p;
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::SetSeekTarget(const SeekTarget& aTarget)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
|
|
mOriginalSeekTarget = aTarget;
|
|
mFallbackSeekTime = mPendingSeekTime = Some(aTarget.GetTime());
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::ScheduleSeek()
|
|
{
|
|
if (mSeekScheduled) {
|
|
return;
|
|
}
|
|
mSeekScheduled = true;
|
|
OwnerThread()->Dispatch(NewRunnableMethod(
|
|
"MediaFormatReader::AttemptSeek", this, &MediaFormatReader::AttemptSeek));
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::AttemptSeek()
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
|
|
mSeekScheduled = false;
|
|
|
|
if (mPendingSeekTime.isNothing()) {
|
|
return;
|
|
}
|
|
|
|
if (HasVideo()) {
|
|
mVideo.ResetDemuxer();
|
|
mVideo.ResetState();
|
|
}
|
|
|
|
// Don't reset the audio demuxer not state when seeking video only
|
|
// as it will cause the audio to seek back to the beginning
|
|
// resulting in out-of-sync audio from video.
|
|
if (HasAudio() && !mOriginalSeekTarget.IsVideoOnly()) {
|
|
mAudio.ResetDemuxer();
|
|
mAudio.ResetState();
|
|
}
|
|
|
|
if (HasVideo()) {
|
|
DoVideoSeek();
|
|
} else if (HasAudio()) {
|
|
DoAudioSeek();
|
|
} else {
|
|
MOZ_CRASH();
|
|
}
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::OnSeekFailed(TrackType aTrack, const MediaResult& aError)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
LOGV("%s failure:%s", TrackTypeToStr(aTrack), aError.ErrorName().get());
|
|
if (aTrack == TrackType::kVideoTrack) {
|
|
mVideo.mSeekRequest.Complete();
|
|
} else {
|
|
mAudio.mSeekRequest.Complete();
|
|
}
|
|
|
|
if (aError == NS_ERROR_DOM_MEDIA_WAITING_FOR_DATA) {
|
|
if (HasVideo() &&
|
|
aTrack == TrackType::kAudioTrack &&
|
|
mFallbackSeekTime.isSome() &&
|
|
mPendingSeekTime.ref() != mFallbackSeekTime.ref()) {
|
|
// We have failed to seek audio where video seeked to earlier.
|
|
// Attempt to seek instead to the closest point that we know we have in
|
|
// order to limit A/V sync discrepency.
|
|
|
|
// Ensure we have the most up to date buffered ranges.
|
|
UpdateReceivedNewData(TrackType::kAudioTrack);
|
|
Maybe<TimeUnit> nextSeekTime;
|
|
// Find closest buffered time found after video seeked time.
|
|
for (const auto& timeRange : mAudio.mTimeRanges) {
|
|
if (timeRange.mStart >= mPendingSeekTime.ref()) {
|
|
nextSeekTime.emplace(timeRange.mStart);
|
|
break;
|
|
}
|
|
}
|
|
if (nextSeekTime.isNothing() ||
|
|
nextSeekTime.ref() > mFallbackSeekTime.ref()) {
|
|
nextSeekTime = Some(mFallbackSeekTime.ref());
|
|
LOG("Unable to seek audio to video seek time. A/V sync may be broken");
|
|
} else {
|
|
mFallbackSeekTime.reset();
|
|
}
|
|
mPendingSeekTime = nextSeekTime;
|
|
DoAudioSeek();
|
|
return;
|
|
}
|
|
NotifyWaitingForData(aTrack);
|
|
}
|
|
MOZ_ASSERT(!mVideo.mSeekRequest.Exists() && !mAudio.mSeekRequest.Exists());
|
|
mPendingSeekTime.reset();
|
|
|
|
auto type = aTrack == TrackType::kAudioTrack ? MediaData::AUDIO_DATA
|
|
: MediaData::VIDEO_DATA;
|
|
mSeekPromise.Reject(SeekRejectValue(type, aError), __func__);
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::DoVideoSeek()
|
|
{
|
|
MOZ_ASSERT(mPendingSeekTime.isSome());
|
|
LOGV("Seeking video to %" PRId64, mPendingSeekTime.ref().ToMicroseconds());
|
|
auto seekTime = mPendingSeekTime.ref();
|
|
mVideo.mTrackDemuxer->Seek(seekTime)
|
|
->Then(OwnerThread(), __func__, this,
|
|
&MediaFormatReader::OnVideoSeekCompleted,
|
|
&MediaFormatReader::OnVideoSeekFailed)
|
|
->Track(mVideo.mSeekRequest);
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::OnVideoSeekCompleted(TimeUnit aTime)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
LOGV("Video seeked to %" PRId64, aTime.ToMicroseconds());
|
|
mVideo.mSeekRequest.Complete();
|
|
|
|
mVideo.mFirstFrameTime = Some(aTime);
|
|
mPreviousDecodedKeyframeTime_us = sNoPreviousDecodedKeyframe;
|
|
|
|
SetVideoDecodeThreshold();
|
|
|
|
if (HasAudio() && !mOriginalSeekTarget.IsVideoOnly()) {
|
|
MOZ_ASSERT(mPendingSeekTime.isSome());
|
|
if (mOriginalSeekTarget.IsFast()) {
|
|
// We are performing a fast seek. We need to seek audio to where the
|
|
// video seeked to, to ensure proper A/V sync once playback resume.
|
|
mPendingSeekTime = Some(aTime);
|
|
}
|
|
DoAudioSeek();
|
|
} else {
|
|
mPendingSeekTime.reset();
|
|
mSeekPromise.Resolve(aTime, __func__);
|
|
}
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::OnVideoSeekFailed(const MediaResult& aError)
|
|
{
|
|
mPreviousDecodedKeyframeTime_us = sNoPreviousDecodedKeyframe;
|
|
OnSeekFailed(TrackType::kVideoTrack, aError);
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::SetVideoDecodeThreshold()
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
|
|
if (!HasVideo() || !mVideo.mDecoder) {
|
|
return;
|
|
}
|
|
|
|
if (!mVideo.mTimeThreshold && !IsSeeking()) {
|
|
return;
|
|
}
|
|
|
|
TimeUnit threshold;
|
|
if (mVideo.mTimeThreshold) {
|
|
// For internalSeek.
|
|
threshold = mVideo.mTimeThreshold.ref().Time();
|
|
} else if (IsSeeking()) {
|
|
// If IsSeeking() is true, then video seek must have completed already.
|
|
TimeUnit keyframe;
|
|
if (NS_FAILED(mVideo.mTrackDemuxer->GetNextRandomAccessPoint(&keyframe))) {
|
|
return;
|
|
}
|
|
|
|
// If the key frame is invalid/infinite, it means the target position is
|
|
// closing to end of stream. We don't want to skip any frame at this point.
|
|
if (!keyframe.IsValid() || keyframe.IsInfinite()) {
|
|
return;
|
|
}
|
|
threshold = mOriginalSeekTarget.GetTime();
|
|
} else {
|
|
return;
|
|
}
|
|
|
|
LOG("Set seek threshold to %" PRId64, threshold.ToMicroseconds());
|
|
mVideo.mDecoder->SetSeekThreshold(threshold);
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::DoAudioSeek()
|
|
{
|
|
MOZ_ASSERT(mPendingSeekTime.isSome());
|
|
LOGV("Seeking audio to %" PRId64, mPendingSeekTime.ref().ToMicroseconds());
|
|
auto seekTime = mPendingSeekTime.ref();
|
|
mAudio.mTrackDemuxer->Seek(seekTime)
|
|
->Then(OwnerThread(), __func__, this,
|
|
&MediaFormatReader::OnAudioSeekCompleted,
|
|
&MediaFormatReader::OnAudioSeekFailed)
|
|
->Track(mAudio.mSeekRequest);
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::OnAudioSeekCompleted(TimeUnit aTime)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
LOGV("Audio seeked to %" PRId64, aTime.ToMicroseconds());
|
|
mAudio.mSeekRequest.Complete();
|
|
mAudio.mFirstFrameTime = Some(aTime);
|
|
mPendingSeekTime.reset();
|
|
mSeekPromise.Resolve(aTime, __func__);
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::OnAudioSeekFailed(const MediaResult& aError)
|
|
{
|
|
OnSeekFailed(TrackType::kAudioTrack, aError);
|
|
}
|
|
|
|
void MediaFormatReader::ReleaseResources()
|
|
{
|
|
LOGV("");
|
|
if (mShutdown) {
|
|
return;
|
|
}
|
|
ShutdownDecoder(TrackInfo::kAudioTrack);
|
|
ShutdownDecoder(TrackInfo::kVideoTrack);
|
|
}
|
|
|
|
bool
|
|
MediaFormatReader::VideoIsHardwareAccelerated() const
|
|
{
|
|
return mVideo.mIsHardwareAccelerated;
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::NotifyTrackDemuxers()
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
|
|
LOGV("");
|
|
|
|
if (!mInitDone) {
|
|
return;
|
|
}
|
|
|
|
if (HasVideo()) {
|
|
mVideo.mReceivedNewData = true;
|
|
ScheduleUpdate(TrackType::kVideoTrack);
|
|
}
|
|
if (HasAudio()) {
|
|
mAudio.mReceivedNewData = true;
|
|
ScheduleUpdate(TrackType::kAudioTrack);
|
|
}
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::NotifyDataArrived()
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
|
|
if (mShutdown || !mDemuxer || !mDemuxerInitDone) {
|
|
return;
|
|
}
|
|
|
|
if (mNotifyDataArrivedPromise.Exists()) {
|
|
// Already one in progress. Set the dirty flag so we can process it later.
|
|
mPendingNotifyDataArrived = true;
|
|
return;
|
|
}
|
|
|
|
RefPtr<MediaFormatReader> self = this;
|
|
mDemuxer->NotifyDataArrived()
|
|
->Then(OwnerThread(), __func__,
|
|
[self]() {
|
|
self->mNotifyDataArrivedPromise.Complete();
|
|
self->UpdateBuffered();
|
|
self->NotifyTrackDemuxers();
|
|
if (self->mPendingNotifyDataArrived) {
|
|
self->mPendingNotifyDataArrived = false;
|
|
self->NotifyDataArrived();
|
|
}
|
|
},
|
|
[self]() { self->mNotifyDataArrivedPromise.Complete(); })
|
|
->Track(mNotifyDataArrivedPromise);
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::UpdateBuffered()
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
|
|
if (mShutdown) {
|
|
return;
|
|
}
|
|
|
|
if (!mInitDone || !mHasStartTime) {
|
|
mBuffered = TimeIntervals();
|
|
return;
|
|
}
|
|
|
|
if (HasVideo()) {
|
|
mVideo.mTimeRanges = mVideo.mTrackDemuxer->GetBuffered();
|
|
bool hasLastEnd;
|
|
auto lastEnd = mVideo.mTimeRanges.GetEnd(&hasLastEnd);
|
|
if (hasLastEnd) {
|
|
if (mVideo.mLastTimeRangesEnd &&
|
|
mVideo.mLastTimeRangesEnd.ref() < lastEnd) {
|
|
// New data was added after our previous end, we can clear the EOS flag.
|
|
mVideo.mDemuxEOS = false;
|
|
ScheduleUpdate(TrackInfo::kVideoTrack);
|
|
}
|
|
mVideo.mLastTimeRangesEnd = Some(lastEnd);
|
|
}
|
|
}
|
|
if (HasAudio()) {
|
|
mAudio.mTimeRanges = mAudio.mTrackDemuxer->GetBuffered();
|
|
bool hasLastEnd;
|
|
auto lastEnd = mAudio.mTimeRanges.GetEnd(&hasLastEnd);
|
|
if (hasLastEnd) {
|
|
if (mAudio.mLastTimeRangesEnd &&
|
|
mAudio.mLastTimeRangesEnd.ref() < lastEnd) {
|
|
// New data was added after our previous end, we can clear the EOS flag.
|
|
mAudio.mDemuxEOS = false;
|
|
ScheduleUpdate(TrackInfo::kAudioTrack);
|
|
}
|
|
mAudio.mLastTimeRangesEnd = Some(lastEnd);
|
|
}
|
|
}
|
|
|
|
media::TimeIntervals intervals;
|
|
if (HasAudio() && HasVideo()) {
|
|
intervals = media::Intersection(mVideo.mTimeRanges, mAudio.mTimeRanges);
|
|
} else if (HasAudio()) {
|
|
intervals = mAudio.mTimeRanges;
|
|
} else if (HasVideo()) {
|
|
intervals = mVideo.mTimeRanges;
|
|
}
|
|
|
|
if (!intervals.Length() || intervals.GetStart() == TimeUnit::Zero()) {
|
|
// IntervalSet already starts at 0 or is empty, nothing to shift.
|
|
mBuffered = intervals;
|
|
} else {
|
|
mBuffered =
|
|
intervals.Shift(TimeUnit::Zero() - mInfo.mStartTime);
|
|
}
|
|
}
|
|
|
|
layers::ImageContainer*
|
|
MediaFormatReader::GetImageContainer()
|
|
{
|
|
return mVideoFrameContainer ? mVideoFrameContainer->GetImageContainer()
|
|
: nullptr;
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::GetMozDebugReaderData(nsACString& aString)
|
|
{
|
|
nsCString result;
|
|
nsAutoCString audioDecoderName("unavailable");
|
|
nsAutoCString videoDecoderName = audioDecoderName;
|
|
nsAutoCString audioType("none");
|
|
nsAutoCString videoType("none");
|
|
|
|
if (HasAudio()) {
|
|
MutexAutoLock lock(mAudio.mMutex);
|
|
audioDecoderName = mAudio.mDecoder
|
|
? mAudio.mDecoder->GetDescriptionName()
|
|
: mAudio.mDescription;
|
|
audioType = mInfo.mAudio.mMimeType;
|
|
}
|
|
if (HasVideo()) {
|
|
MutexAutoLock mon(mVideo.mMutex);
|
|
videoDecoderName = mVideo.mDecoder
|
|
? mVideo.mDecoder->GetDescriptionName()
|
|
: mVideo.mDescription;
|
|
videoType = mInfo.mVideo.mMimeType;
|
|
}
|
|
|
|
result += nsPrintfCString(
|
|
"Audio Decoder(%s): %s\n", audioType.get(), audioDecoderName.get());
|
|
result += nsPrintfCString("Audio Frames Decoded: %" PRIu64 "\n",
|
|
mAudio.mNumSamplesOutputTotal);
|
|
if (HasAudio()) {
|
|
result += nsPrintfCString(
|
|
"Audio State: ni=%d no=%d wp=%d demuxr=%d demuxq=%u decoder=%d tt=%.1f "
|
|
"tths=%d in=%" PRIu64 " out=%" PRIu64
|
|
" qs=%u pending=%u wfd=%d eos=%d ds=%d wfk=%d sid=%u\n",
|
|
NeedInput(mAudio),
|
|
mAudio.HasPromise(),
|
|
!mAudio.mWaitingPromise.IsEmpty(),
|
|
mAudio.mDemuxRequest.Exists(),
|
|
uint32_t(mAudio.mQueuedSamples.Length()),
|
|
mAudio.mDecodeRequest.Exists(),
|
|
mAudio.mTimeThreshold ? mAudio.mTimeThreshold.ref().Time().ToSeconds()
|
|
: -1.0,
|
|
mAudio.mTimeThreshold ? mAudio.mTimeThreshold.ref().mHasSeeked : -1,
|
|
mAudio.mNumSamplesInput,
|
|
mAudio.mNumSamplesOutput,
|
|
unsigned(size_t(mAudio.mSizeOfQueue)),
|
|
unsigned(mAudio.mOutput.Length()),
|
|
mAudio.mWaitingForData,
|
|
mAudio.mDemuxEOS,
|
|
int32_t(mAudio.mDrainState),
|
|
mAudio.mWaitingForKey,
|
|
mAudio.mLastStreamSourceID);
|
|
}
|
|
|
|
VideoInfo videoInfo = mVideo.mInfo
|
|
? *mVideo.mInfo->GetAsVideoInfo()
|
|
: mVideo.mOriginalInfo
|
|
? *mVideo.mOriginalInfo->GetAsVideoInfo()
|
|
: VideoInfo();
|
|
|
|
result += nsPrintfCString(
|
|
"Video Decoder(%s, %dx%d @ %0.2f): %s\n",
|
|
videoType.get(),
|
|
videoInfo.mDisplay.width < 0 ? 0 : videoInfo.mDisplay.width,
|
|
videoInfo.mDisplay.height < 0 ? 0 : videoInfo.mDisplay.height,
|
|
mVideo.mMeanRate.Mean(),
|
|
videoDecoderName.get());
|
|
|
|
result +=
|
|
nsPrintfCString("Hardware Video Decoding: %s\n",
|
|
VideoIsHardwareAccelerated() ? "enabled" : "disabled");
|
|
result +=
|
|
nsPrintfCString("Video Frames Decoded: %" PRIu64 " (skipped=%" PRIu64 ")\n",
|
|
mVideo.mNumSamplesOutputTotal,
|
|
mVideo.mNumSamplesSkippedTotal);
|
|
if (HasVideo()) {
|
|
result += nsPrintfCString(
|
|
"Video State: ni=%d no=%d wp=%d demuxr=%d demuxq=%u decoder=%d tt=%.1f "
|
|
"tths=%d in=%" PRIu64 " out=%" PRIu64
|
|
" qs=%u pending:%u wfd=%d eos=%d ds=%d wfk=%d sid=%u\n",
|
|
NeedInput(mVideo),
|
|
mVideo.HasPromise(),
|
|
!mVideo.mWaitingPromise.IsEmpty(),
|
|
mVideo.mDemuxRequest.Exists(),
|
|
uint32_t(mVideo.mQueuedSamples.Length()),
|
|
mVideo.mDecodeRequest.Exists(),
|
|
mVideo.mTimeThreshold ? mVideo.mTimeThreshold.ref().Time().ToSeconds()
|
|
: -1.0,
|
|
mVideo.mTimeThreshold ? mVideo.mTimeThreshold.ref().mHasSeeked : -1,
|
|
mVideo.mNumSamplesInput,
|
|
mVideo.mNumSamplesOutput,
|
|
unsigned(size_t(mVideo.mSizeOfQueue)),
|
|
unsigned(mVideo.mOutput.Length()),
|
|
mVideo.mWaitingForData,
|
|
mVideo.mDemuxEOS,
|
|
int32_t(mVideo.mDrainState),
|
|
mVideo.mWaitingForKey,
|
|
mVideo.mLastStreamSourceID);
|
|
}
|
|
aString += result;
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::SetVideoNullDecode(bool aIsNullDecode)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
return SetNullDecode(TrackType::kVideoTrack, aIsNullDecode);
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::UpdateCompositor(
|
|
already_AddRefed<layers::KnowsCompositor> aCompositor)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
mKnowsCompositor = aCompositor;
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::SetNullDecode(TrackType aTrack, bool aIsNullDecode)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
|
|
auto& decoder = GetDecoderData(aTrack);
|
|
if (decoder.mIsNullDecode == aIsNullDecode) {
|
|
return;
|
|
}
|
|
|
|
LOG("%s, decoder.mIsNullDecode = %d => aIsNullDecode = %d",
|
|
TrackTypeToStr(aTrack), decoder.mIsNullDecode, aIsNullDecode);
|
|
|
|
decoder.mIsNullDecode = aIsNullDecode;
|
|
ShutdownDecoder(aTrack);
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::OnFirstDemuxCompleted(
|
|
TrackInfo::TrackType aType, RefPtr<MediaTrackDemuxer::SamplesHolder> aSamples)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
|
|
if (mShutdown) {
|
|
return;
|
|
}
|
|
|
|
auto& decoder = GetDecoderData(aType);
|
|
MOZ_ASSERT(decoder.mFirstDemuxedSampleTime.isNothing());
|
|
decoder.mFirstDemuxedSampleTime.emplace(aSamples->mSamples[0]->mTime);
|
|
MaybeResolveMetadataPromise();
|
|
}
|
|
|
|
void
|
|
MediaFormatReader::OnFirstDemuxFailed(TrackInfo::TrackType aType,
|
|
const MediaResult& aError)
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
|
|
if (mShutdown) {
|
|
return;
|
|
}
|
|
|
|
auto& decoder = GetDecoderData(aType);
|
|
MOZ_ASSERT(decoder.mFirstDemuxedSampleTime.isNothing());
|
|
decoder.mFirstDemuxedSampleTime.emplace(TimeUnit::FromInfinity());
|
|
MaybeResolveMetadataPromise();
|
|
}
|
|
|
|
} // namespace mozilla
|
|
|
|
#undef NS_DispatchToMainThread
|