884 lines
33 KiB
C++
884 lines
33 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 "DecoderDoctorDiagnostics.h"
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#include "mozilla/dom/DecoderDoctorNotificationBinding.h"
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#include "mozilla/Logging.h"
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#include "mozilla/Preferences.h"
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#include "nsContentUtils.h"
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#include "nsGkAtoms.h"
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#include "nsIDocument.h"
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#include "nsIObserverService.h"
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#include "nsIScriptError.h"
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#include "nsITimer.h"
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#include "nsIWeakReference.h"
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#include "nsPluginHost.h"
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#include "nsPrintfCString.h"
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#include "VideoUtils.h"
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#if defined(MOZ_FFMPEG)
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#include "FFmpegRuntimeLinker.h"
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#endif
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#if defined(XP_WIN)
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#include "mozilla/WindowsVersion.h"
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#endif
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static mozilla::LazyLogModule sDecoderDoctorLog("DecoderDoctor");
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#define DD_LOG(level, arg, ...) MOZ_LOG(sDecoderDoctorLog, level, (arg, ##__VA_ARGS__))
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#define DD_DEBUG(arg, ...) DD_LOG(mozilla::LogLevel::Debug, arg, ##__VA_ARGS__)
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#define DD_INFO(arg, ...) DD_LOG(mozilla::LogLevel::Info, arg, ##__VA_ARGS__)
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#define DD_WARN(arg, ...) DD_LOG(mozilla::LogLevel::Warning, arg, ##__VA_ARGS__)
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namespace mozilla {
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struct NotificationAndReportStringId
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{
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// Notification type, handled by browser-media.js.
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dom::DecoderDoctorNotificationType mNotificationType;
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// Console message id. Key in dom/locales/.../chrome/dom/dom.properties.
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const char* mReportStringId;
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};
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// Class that collects a sequence of diagnostics from the same document over a
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// small period of time, in order to provide a synthesized analysis.
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//
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// Referenced by the document through a nsINode property, mTimer, and
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// inter-task captures.
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// When notified that the document is dead, or when the timer expires but
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// nothing new happened, StopWatching() will remove the document property and
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// timer (if present), so no more work will happen and the watcher will be
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// destroyed once all references are gone.
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class DecoderDoctorDocumentWatcher : public nsITimerCallback
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{
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public:
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static already_AddRefed<DecoderDoctorDocumentWatcher>
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RetrieveOrCreate(nsIDocument* aDocument);
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NS_DECL_ISUPPORTS
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NS_DECL_NSITIMERCALLBACK
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void AddDiagnostics(DecoderDoctorDiagnostics&& aDiagnostics,
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const char* aCallSite);
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private:
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explicit DecoderDoctorDocumentWatcher(nsIDocument* aDocument);
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virtual ~DecoderDoctorDocumentWatcher();
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// This will prevent further work from happening, watcher will deregister
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// itself from document (if requested) and cancel any timer, and soon die.
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void StopWatching(bool aRemoveProperty);
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// Remove property from document; will call DestroyPropertyCallback.
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void RemovePropertyFromDocument();
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// Callback for property destructor, will be automatically called when the
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// document (in aObject) is being destroyed.
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static void DestroyPropertyCallback(void* aObject,
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nsIAtom* aPropertyName,
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void* aPropertyValue,
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void* aData);
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static const uint32_t sAnalysisPeriod_ms = 1000;
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void EnsureTimerIsStarted();
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void SynthesizeAnalysis();
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// Raw pointer to an nsIDocument.
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// Must be non-null during construction.
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// Nulled when we want to stop watching, because either:
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// 1. The document has been destroyed (notified through
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// DestroyPropertyCallback).
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// 2. We have not received new diagnostic information within a short time
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// period, so we just stop watching.
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// Once nulled, no more actual work will happen, and the watcher will be
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// destroyed soon.
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nsIDocument* mDocument;
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struct Diagnostics
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{
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Diagnostics(DecoderDoctorDiagnostics&& aDiagnostics,
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const char* aCallSite)
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: mDecoderDoctorDiagnostics(Move(aDiagnostics))
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, mCallSite(aCallSite)
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{}
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Diagnostics(const Diagnostics&) = delete;
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Diagnostics(Diagnostics&& aOther)
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: mDecoderDoctorDiagnostics(Move(aOther.mDecoderDoctorDiagnostics))
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, mCallSite(Move(aOther.mCallSite))
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{}
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const DecoderDoctorDiagnostics mDecoderDoctorDiagnostics;
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const nsCString mCallSite;
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};
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typedef nsTArray<Diagnostics> DiagnosticsSequence;
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DiagnosticsSequence mDiagnosticsSequence;
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nsCOMPtr<nsITimer> mTimer; // Keep timer alive until we run.
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DiagnosticsSequence::size_type mDiagnosticsHandled = 0;
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};
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NS_IMPL_ISUPPORTS(DecoderDoctorDocumentWatcher, nsITimerCallback)
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// static
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already_AddRefed<DecoderDoctorDocumentWatcher>
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DecoderDoctorDocumentWatcher::RetrieveOrCreate(nsIDocument* aDocument)
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{
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(aDocument);
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RefPtr<DecoderDoctorDocumentWatcher> watcher =
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static_cast<DecoderDoctorDocumentWatcher*>(
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aDocument->GetProperty(nsGkAtoms::decoderDoctor));
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if (!watcher) {
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watcher = new DecoderDoctorDocumentWatcher(aDocument);
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if (NS_WARN_IF(NS_FAILED(
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aDocument->SetProperty(nsGkAtoms::decoderDoctor,
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watcher.get(),
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DestroyPropertyCallback,
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/*transfer*/ false)))) {
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DD_WARN("DecoderDoctorDocumentWatcher::RetrieveOrCreate(doc=%p) - Could not set property in document, will destroy new watcher[%p]",
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aDocument, watcher.get());
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return nullptr;
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}
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// Document owns watcher through this property.
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// Released in DestroyPropertyCallback().
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NS_ADDREF(watcher.get());
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}
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return watcher.forget();
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}
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DecoderDoctorDocumentWatcher::DecoderDoctorDocumentWatcher(nsIDocument* aDocument)
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: mDocument(aDocument)
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{
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(mDocument);
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DD_DEBUG("DecoderDoctorDocumentWatcher[%p]::DecoderDoctorDocumentWatcher(doc=%p)",
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this, mDocument);
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}
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DecoderDoctorDocumentWatcher::~DecoderDoctorDocumentWatcher()
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{
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MOZ_ASSERT(NS_IsMainThread());
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DD_DEBUG("DecoderDoctorDocumentWatcher[%p, doc=%p <- expect 0]::~DecoderDoctorDocumentWatcher()",
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this, mDocument);
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// mDocument should have been reset through StopWatching()!
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MOZ_ASSERT(!mDocument);
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}
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void
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DecoderDoctorDocumentWatcher::RemovePropertyFromDocument()
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{
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MOZ_ASSERT(NS_IsMainThread());
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DecoderDoctorDocumentWatcher* watcher =
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static_cast<DecoderDoctorDocumentWatcher*>(
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mDocument->GetProperty(nsGkAtoms::decoderDoctor));
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if (!watcher) {
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return;
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}
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DD_DEBUG("DecoderDoctorDocumentWatcher[%p, doc=%p]::RemovePropertyFromDocument()\n",
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watcher, watcher->mDocument);
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// This will remove the property and call our DestroyPropertyCallback.
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mDocument->DeleteProperty(nsGkAtoms::decoderDoctor);
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}
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// Callback for property destructors. |aObject| is the object
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// the property is being removed for, |aPropertyName| is the property
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// being removed, |aPropertyValue| is the value of the property, and |aData|
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// is the opaque destructor data that was passed to SetProperty().
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// static
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void
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DecoderDoctorDocumentWatcher::DestroyPropertyCallback(void* aObject,
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nsIAtom* aPropertyName,
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void* aPropertyValue,
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void*)
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{
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(aPropertyName == nsGkAtoms::decoderDoctor);
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DecoderDoctorDocumentWatcher* watcher =
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static_cast<DecoderDoctorDocumentWatcher*>(aPropertyValue);
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MOZ_ASSERT(watcher);
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#ifdef DEBUG
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nsIDocument* document = static_cast<nsIDocument*>(aObject);
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MOZ_ASSERT(watcher->mDocument == document);
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#endif
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DD_DEBUG("DecoderDoctorDocumentWatcher[%p, doc=%p]::DestroyPropertyCallback()\n",
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watcher, watcher->mDocument);
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// 'false': StopWatching should not try and remove the property.
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watcher->StopWatching(false);
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NS_RELEASE(watcher);
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}
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void
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DecoderDoctorDocumentWatcher::StopWatching(bool aRemoveProperty)
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{
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MOZ_ASSERT(NS_IsMainThread());
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// StopWatching() shouldn't be called twice.
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MOZ_ASSERT(mDocument);
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if (aRemoveProperty) {
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RemovePropertyFromDocument();
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}
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// Forget document now, this will prevent more work from being started.
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mDocument = nullptr;
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if (mTimer) {
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mTimer->Cancel();
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mTimer = nullptr;
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}
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}
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void
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DecoderDoctorDocumentWatcher::EnsureTimerIsStarted()
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{
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MOZ_ASSERT(NS_IsMainThread());
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if (!mTimer) {
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mTimer = do_CreateInstance(NS_TIMER_CONTRACTID);
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if (NS_WARN_IF(!mTimer)) {
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return;
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}
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if (NS_WARN_IF(NS_FAILED(
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mTimer->InitWithCallback(
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this, sAnalysisPeriod_ms, nsITimer::TYPE_ONE_SHOT)))) {
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mTimer = nullptr;
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}
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}
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}
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// Note: ReportStringIds are limited to alphanumeric only.
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static const NotificationAndReportStringId sMediaWidevineNoWMFNoSilverlight =
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{ dom::DecoderDoctorNotificationType::Platform_decoder_not_found,
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"MediaWidevineNoWMFNoSilverlight" };
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static const NotificationAndReportStringId sMediaWMFNeeded =
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{ dom::DecoderDoctorNotificationType::Platform_decoder_not_found,
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"MediaWMFNeeded" };
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static const NotificationAndReportStringId sMediaUnsupportedBeforeWindowsVista =
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{ dom::DecoderDoctorNotificationType::Platform_decoder_not_found,
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"MediaUnsupportedBeforeWindowsVista" };
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static const NotificationAndReportStringId sMediaPlatformDecoderNotFound =
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{ dom::DecoderDoctorNotificationType::Platform_decoder_not_found,
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"MediaPlatformDecoderNotFound" };
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static const NotificationAndReportStringId sMediaCannotPlayNoDecoders =
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{ dom::DecoderDoctorNotificationType::Cannot_play,
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"MediaCannotPlayNoDecoders" };
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static const NotificationAndReportStringId sMediaNoDecoders =
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{ dom::DecoderDoctorNotificationType::Can_play_but_some_missing_decoders,
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"MediaNoDecoders" };
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static const NotificationAndReportStringId sCannotInitializePulseAudio =
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{ dom::DecoderDoctorNotificationType::Cannot_initialize_pulseaudio,
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"MediaCannotInitializePulseAudio" };
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static const NotificationAndReportStringId sUnsupportedLibavcodec =
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{ dom::DecoderDoctorNotificationType::Unsupported_libavcodec,
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"MediaUnsupportedLibavcodec" };
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static const NotificationAndReportStringId*
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sAllNotificationsAndReportStringIds[] =
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{
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&sMediaWidevineNoWMFNoSilverlight,
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&sMediaWMFNeeded,
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&sMediaUnsupportedBeforeWindowsVista,
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&sMediaPlatformDecoderNotFound,
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&sMediaCannotPlayNoDecoders,
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&sMediaNoDecoders,
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&sCannotInitializePulseAudio,
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&sUnsupportedLibavcodec,
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};
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static void
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DispatchNotification(nsISupports* aSubject,
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const NotificationAndReportStringId& aNotification,
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bool aIsSolved,
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const nsAString& aFormats)
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{
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if (!aSubject) {
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return;
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}
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dom::DecoderDoctorNotification data;
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data.mType = aNotification.mNotificationType;
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data.mIsSolved = aIsSolved;
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data.mDecoderDoctorReportId.Assign(
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NS_ConvertUTF8toUTF16(aNotification.mReportStringId));
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if (!aFormats.IsEmpty()) {
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data.mFormats.Construct(aFormats);
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}
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nsAutoString json;
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data.ToJSON(json);
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if (json.IsEmpty()) {
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DD_WARN("DecoderDoctorDiagnostics/DispatchEvent() - Could not create json for dispatch");
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// No point in dispatching this notification without data, the front-end
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// wouldn't know what to display.
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return;
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}
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DD_DEBUG("DecoderDoctorDiagnostics/DispatchEvent() %s", NS_ConvertUTF16toUTF8(json).get());
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nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
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if (obs) {
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obs->NotifyObservers(aSubject, "decoder-doctor-notification", json.get());
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}
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}
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static void
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ReportToConsole(nsIDocument* aDocument,
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const char* aConsoleStringId,
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const nsAString& aParams)
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{
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(aDocument);
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// 'params' will only be forwarded for non-empty strings.
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const char16_t* params[1] = { aParams.Data() };
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DD_DEBUG("DecoderDoctorDiagnostics.cpp:ReportToConsole(doc=%p) ReportToConsole - aMsg='%s' params[0]='%s'",
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aDocument, aConsoleStringId,
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aParams.IsEmpty() ? "<no params>" : NS_ConvertUTF16toUTF8(params[0]).get());
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nsContentUtils::ReportToConsole(nsIScriptError::warningFlag,
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NS_LITERAL_CSTRING("Media"),
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aDocument,
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nsContentUtils::eDOM_PROPERTIES,
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aConsoleStringId,
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aParams.IsEmpty() ? nullptr : params,
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aParams.IsEmpty() ? 0 : 1);
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}
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static void
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ReportAnalysis(nsIDocument* aDocument,
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const NotificationAndReportStringId& aNotification,
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bool aIsSolved,
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const nsAString& aParams)
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{
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MOZ_ASSERT(NS_IsMainThread());
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if (!aDocument) {
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return;
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}
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// Report non-solved issues to console.
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if (!aIsSolved) {
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ReportToConsole(aDocument, aNotification.mReportStringId, aParams);
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}
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// "media.decoder-doctor.notifications-allowed" controls which notifications
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// may be dispatched to the front-end. It either contains:
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// - '*' -> Allow everything.
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// - Comma-separater list of ids -> Allow if aReportStringId (from
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// dom.properties) is one of them.
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// - Nothing (missing or empty) -> Disable everything.
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nsAdoptingCString filter =
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Preferences::GetCString("media.decoder-doctor.notifications-allowed");
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filter.StripWhitespace();
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if (filter.EqualsLiteral("*")
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|| StringListContains(filter, aNotification.mReportStringId)) {
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DispatchNotification(
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aDocument->GetInnerWindow(), aNotification, aIsSolved, aParams);
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}
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}
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enum SilverlightPresence {
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eNoSilverlight,
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eSilverlightDisabled,
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eSilverlightEnabled
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};
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static SilverlightPresence
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CheckSilverlight()
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{
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MOZ_ASSERT(NS_IsMainThread());
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RefPtr<nsPluginHost> pluginHost = nsPluginHost::GetInst();
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if (!pluginHost) {
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return eNoSilverlight;
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}
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nsTArray<nsCOMPtr<nsIInternalPluginTag>> plugins;
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pluginHost->GetPlugins(plugins, /*aIncludeDisabled*/ true);
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for (const auto& plugin : plugins) {
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for (const auto& mime : plugin->MimeTypes()) {
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if (mime.LowerCaseEqualsLiteral("application/x-silverlight")
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|| mime.LowerCaseEqualsLiteral("application/x-silverlight-2")) {
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return plugin->IsEnabled() ? eSilverlightEnabled : eSilverlightDisabled;
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}
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}
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}
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return eNoSilverlight;
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}
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static nsString
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CleanItemForFormatsList(const nsAString& aItem)
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{
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nsString item(aItem);
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// Remove commas from item, as commas are used to separate items. It's fine
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// to have a one-way mapping, it's only used for comparisons and in
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// console display (where formats shouldn't contain commas in the first place)
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item.ReplaceChar(',', ' ');
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item.CompressWhitespace();
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return item;
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}
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static void
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AppendToFormatsList(nsAString& aList, const nsAString& aItem)
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{
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if (!aList.IsEmpty()) {
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aList += NS_LITERAL_STRING(", ");
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}
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aList += CleanItemForFormatsList(aItem);
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}
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static bool
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FormatsListContains(const nsAString& aList, const nsAString& aItem)
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{
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return StringListContains(aList, CleanItemForFormatsList(aItem));
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}
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void
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DecoderDoctorDocumentWatcher::SynthesizeAnalysis()
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{
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MOZ_ASSERT(NS_IsMainThread());
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nsAutoString playableFormats;
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nsAutoString unplayableFormats;
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// Subsets of unplayableFormats that require a specific platform decoder:
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#if defined(XP_WIN)
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nsAutoString formatsRequiringWMF;
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#endif
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#if defined(MOZ_FFMPEG)
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nsAutoString formatsRequiringFFMpeg;
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#endif
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nsAutoString supportedKeySystems;
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nsAutoString unsupportedKeySystems;
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DecoderDoctorDiagnostics::KeySystemIssue lastKeySystemIssue =
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DecoderDoctorDiagnostics::eUnset;
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for (const auto& diag : mDiagnosticsSequence) {
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switch (diag.mDecoderDoctorDiagnostics.Type()) {
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case DecoderDoctorDiagnostics::eFormatSupportCheck:
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if (diag.mDecoderDoctorDiagnostics.CanPlay()) {
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AppendToFormatsList(playableFormats,
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diag.mDecoderDoctorDiagnostics.Format());
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} else {
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AppendToFormatsList(unplayableFormats,
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diag.mDecoderDoctorDiagnostics.Format());
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#if defined(XP_WIN)
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if (diag.mDecoderDoctorDiagnostics.DidWMFFailToLoad()) {
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AppendToFormatsList(formatsRequiringWMF,
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diag.mDecoderDoctorDiagnostics.Format());
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}
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#endif
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#if defined(MOZ_FFMPEG)
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if (diag.mDecoderDoctorDiagnostics.DidFFmpegFailToLoad()) {
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AppendToFormatsList(formatsRequiringFFMpeg,
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diag.mDecoderDoctorDiagnostics.Format());
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}
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#endif
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}
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break;
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case DecoderDoctorDiagnostics::eMediaKeySystemAccessRequest:
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if (diag.mDecoderDoctorDiagnostics.IsKeySystemSupported()) {
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AppendToFormatsList(supportedKeySystems,
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diag.mDecoderDoctorDiagnostics.KeySystem());
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} else {
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AppendToFormatsList(unsupportedKeySystems,
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diag.mDecoderDoctorDiagnostics.KeySystem());
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DecoderDoctorDiagnostics::KeySystemIssue issue =
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diag.mDecoderDoctorDiagnostics.GetKeySystemIssue();
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if (issue != DecoderDoctorDiagnostics::eUnset) {
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lastKeySystemIssue = issue;
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}
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}
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break;
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case DecoderDoctorDiagnostics::eEvent:
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MOZ_ASSERT_UNREACHABLE("Events shouldn't be stored for processing.");
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break;
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default:
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MOZ_ASSERT(diag.mDecoderDoctorDiagnostics.Type()
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== DecoderDoctorDiagnostics::eFormatSupportCheck
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|| diag.mDecoderDoctorDiagnostics.Type()
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== DecoderDoctorDiagnostics::eMediaKeySystemAccessRequest);
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break;
|
|
}
|
|
}
|
|
|
|
// Check if issues have been solved, by finding if some now-playable
|
|
// key systems or formats were previously recorded as having issues.
|
|
if (!supportedKeySystems.IsEmpty() || !playableFormats.IsEmpty()) {
|
|
DD_DEBUG("DecoderDoctorDocumentWatcher[%p, doc=%p]::SynthesizeAnalysis() - supported key systems '%s', playable formats '%s'; See if they show issues have been solved...",
|
|
this, mDocument,
|
|
NS_ConvertUTF16toUTF8(supportedKeySystems).Data(),
|
|
NS_ConvertUTF16toUTF8(playableFormats).get());
|
|
const nsAString* workingFormatsArray[] =
|
|
{ &supportedKeySystems, &playableFormats };
|
|
// For each type of notification, retrieve the pref that contains formats/
|
|
// key systems with issues.
|
|
for (const NotificationAndReportStringId* id :
|
|
sAllNotificationsAndReportStringIds) {
|
|
nsAutoCString formatsPref("media.decoder-doctor.");
|
|
formatsPref += id->mReportStringId;
|
|
formatsPref += ".formats";
|
|
nsAdoptingString formatsWithIssues =
|
|
Preferences::GetString(formatsPref.Data());
|
|
if (formatsWithIssues.IsEmpty()) {
|
|
continue;
|
|
}
|
|
// See if that list of formats-with-issues contains any formats that are
|
|
// now playable/supported.
|
|
bool solved = false;
|
|
for (const nsAString* workingFormats : workingFormatsArray) {
|
|
for (const auto& workingFormat : MakeStringListRange(*workingFormats)) {
|
|
if (FormatsListContains(formatsWithIssues, workingFormat)) {
|
|
// This now-working format used not to work -> Report solved issue.
|
|
DD_INFO("DecoderDoctorDocumentWatcher[%p, doc=%p]::SynthesizeAnalysis() - %s solved ('%s' now works, it was in pref(%s)='%s')",
|
|
this, mDocument, id->mReportStringId,
|
|
NS_ConvertUTF16toUTF8(workingFormat).get(),
|
|
formatsPref.Data(),
|
|
NS_ConvertUTF16toUTF8(formatsWithIssues).get());
|
|
ReportAnalysis(mDocument, *id, true, workingFormat);
|
|
// This particular Notification&ReportId has been solved, no need
|
|
// to keep looking at other keysys/formats that might solve it too.
|
|
solved = true;
|
|
break;
|
|
}
|
|
}
|
|
if (solved) {
|
|
break;
|
|
}
|
|
}
|
|
if (!solved) {
|
|
DD_DEBUG("DecoderDoctorDocumentWatcher[%p, doc=%p]::SynthesizeAnalysis() - %s not solved (pref(%s)='%s')",
|
|
this, mDocument, id->mReportStringId, formatsPref.Data(),
|
|
NS_ConvertUTF16toUTF8(formatsWithIssues).get());
|
|
}
|
|
}
|
|
}
|
|
|
|
// Look at Key System issues first, as they take precedence over format checks.
|
|
if (!unsupportedKeySystems.IsEmpty() && supportedKeySystems.IsEmpty()) {
|
|
// No supported key systems!
|
|
switch (lastKeySystemIssue) {
|
|
case DecoderDoctorDiagnostics::eWidevineWithNoWMF:
|
|
if (CheckSilverlight() != eSilverlightEnabled) {
|
|
DD_INFO("DecoderDoctorDocumentWatcher[%p, doc=%p]::SynthesizeAnalysis() - unsupported key systems: %s, widevine without WMF nor Silverlight",
|
|
this, mDocument, NS_ConvertUTF16toUTF8(unsupportedKeySystems).get());
|
|
ReportAnalysis(mDocument, sMediaWidevineNoWMFNoSilverlight,
|
|
false, unsupportedKeySystems);
|
|
return;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Next, check playability of requested formats.
|
|
if (!unplayableFormats.IsEmpty()) {
|
|
// Some requested formats cannot be played.
|
|
if (playableFormats.IsEmpty()) {
|
|
// No requested formats can be played. See if we can help the user, by
|
|
// going through expected decoders from most to least desirable.
|
|
#if defined(XP_WIN)
|
|
if (!formatsRequiringWMF.IsEmpty()) {
|
|
if (IsVistaOrLater()) {
|
|
DD_INFO("DecoderDoctorDocumentWatcher[%p, doc=%p]::SynthesizeAnalysis() - unplayable formats: %s -> Cannot play media because WMF was not found",
|
|
this, mDocument, NS_ConvertUTF16toUTF8(formatsRequiringWMF).get());
|
|
ReportAnalysis(mDocument, sMediaWMFNeeded, false, formatsRequiringWMF);
|
|
} else {
|
|
DD_INFO("DecoderDoctorDocumentWatcher[%p, doc=%p]::SynthesizeAnalysis() - unplayable formats: %s -> Cannot play media before Windows Vista",
|
|
this, mDocument, NS_ConvertUTF16toUTF8(formatsRequiringWMF).get());
|
|
ReportAnalysis(mDocument, sMediaUnsupportedBeforeWindowsVista,
|
|
false, formatsRequiringWMF);
|
|
}
|
|
return;
|
|
}
|
|
#endif
|
|
#if defined(MOZ_FFMPEG)
|
|
if (!formatsRequiringFFMpeg.IsEmpty()) {
|
|
switch (FFmpegRuntimeLinker::LinkStatusCode()) {
|
|
case FFmpegRuntimeLinker::LinkStatus_INVALID_FFMPEG_CANDIDATE:
|
|
case FFmpegRuntimeLinker::LinkStatus_UNUSABLE_LIBAV57:
|
|
case FFmpegRuntimeLinker::LinkStatus_INVALID_LIBAV_CANDIDATE:
|
|
case FFmpegRuntimeLinker::LinkStatus_OBSOLETE_FFMPEG:
|
|
case FFmpegRuntimeLinker::LinkStatus_OBSOLETE_LIBAV:
|
|
case FFmpegRuntimeLinker::LinkStatus_INVALID_CANDIDATE:
|
|
DD_INFO("DecoderDoctorDocumentWatcher[%p, doc=%p]::SynthesizeAnalysis() - unplayable formats: %s -> Cannot play media because of unsupported %s (Reason: %s)",
|
|
this, mDocument,
|
|
NS_ConvertUTF16toUTF8(formatsRequiringFFMpeg).get(),
|
|
FFmpegRuntimeLinker::LinkStatusLibraryName(),
|
|
FFmpegRuntimeLinker::LinkStatusString());
|
|
ReportAnalysis(mDocument, sUnsupportedLibavcodec,
|
|
false, formatsRequiringFFMpeg);
|
|
return;
|
|
case FFmpegRuntimeLinker::LinkStatus_INIT:
|
|
MOZ_FALLTHROUGH_ASSERT("Unexpected LinkStatus_INIT");
|
|
case FFmpegRuntimeLinker::LinkStatus_SUCCEEDED:
|
|
MOZ_FALLTHROUGH_ASSERT("Unexpected LinkStatus_SUCCEEDED");
|
|
case FFmpegRuntimeLinker::LinkStatus_NOT_FOUND:
|
|
DD_INFO("DecoderDoctorDocumentWatcher[%p, doc=%p]::SynthesizeAnalysis() - unplayable formats: %s -> Cannot play media because platform decoder was not found (Reason: %s)",
|
|
this, mDocument,
|
|
NS_ConvertUTF16toUTF8(formatsRequiringFFMpeg).get(),
|
|
FFmpegRuntimeLinker::LinkStatusString());
|
|
ReportAnalysis(mDocument, sMediaPlatformDecoderNotFound,
|
|
false, formatsRequiringFFMpeg);
|
|
return;
|
|
}
|
|
}
|
|
#endif
|
|
DD_INFO("DecoderDoctorDocumentWatcher[%p, doc=%p]::SynthesizeAnalysis() - Cannot play media, unplayable formats: %s",
|
|
this, mDocument, NS_ConvertUTF16toUTF8(unplayableFormats).get());
|
|
ReportAnalysis(mDocument, sMediaCannotPlayNoDecoders,
|
|
false, unplayableFormats);
|
|
return;
|
|
}
|
|
|
|
DD_INFO("DecoderDoctorDocumentWatcher[%p, doc=%p]::SynthesizeAnalysis() - Can play media, but no decoders for some requested formats: %s",
|
|
this, mDocument, NS_ConvertUTF16toUTF8(unplayableFormats).get());
|
|
if (Preferences::GetBool("media.decoder-doctor.verbose", false)) {
|
|
ReportAnalysis(mDocument, sMediaNoDecoders, false, unplayableFormats);
|
|
}
|
|
return;
|
|
}
|
|
DD_DEBUG("DecoderDoctorDocumentWatcher[%p, doc=%p]::SynthesizeAnalysis() - Can play media, decoders available for all requested formats",
|
|
this, mDocument);
|
|
}
|
|
|
|
void
|
|
DecoderDoctorDocumentWatcher::AddDiagnostics(DecoderDoctorDiagnostics&& aDiagnostics,
|
|
const char* aCallSite)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(aDiagnostics.Type() != DecoderDoctorDiagnostics::eEvent);
|
|
|
|
if (!mDocument) {
|
|
return;
|
|
}
|
|
|
|
DD_DEBUG("DecoderDoctorDocumentWatcher[%p, doc=%p]::AddDiagnostics(DecoderDoctorDiagnostics{%s}, call site '%s')",
|
|
this, mDocument, aDiagnostics.GetDescription().Data(), aCallSite);
|
|
mDiagnosticsSequence.AppendElement(Diagnostics(Move(aDiagnostics), aCallSite));
|
|
EnsureTimerIsStarted();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DecoderDoctorDocumentWatcher::Notify(nsITimer* timer)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(timer == mTimer);
|
|
|
|
// Forget timer. (Assuming timer keeps itself and us alive during this call.)
|
|
mTimer = nullptr;
|
|
|
|
if (!mDocument) {
|
|
return NS_OK;
|
|
}
|
|
|
|
if (mDiagnosticsSequence.Length() > mDiagnosticsHandled) {
|
|
// We have new diagnostic data.
|
|
mDiagnosticsHandled = mDiagnosticsSequence.Length();
|
|
|
|
SynthesizeAnalysis();
|
|
|
|
// Restart timer, to redo analysis or stop watching this document,
|
|
// depending on whether anything new happens.
|
|
EnsureTimerIsStarted();
|
|
} else {
|
|
DD_DEBUG("DecoderDoctorDocumentWatcher[%p, doc=%p]::Notify() - No new diagnostics to analyze -> Stop watching",
|
|
this, mDocument);
|
|
// Stop watching this document, we don't expect more diagnostics for now.
|
|
// If more diagnostics come in, we'll treat them as another burst, separately.
|
|
// 'true' to remove the property from the document.
|
|
StopWatching(true);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
void
|
|
DecoderDoctorDiagnostics::StoreFormatDiagnostics(nsIDocument* aDocument,
|
|
const nsAString& aFormat,
|
|
bool aCanPlay,
|
|
const char* aCallSite)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
// Make sure we only store once.
|
|
MOZ_ASSERT(mDiagnosticsType == eUnsaved);
|
|
mDiagnosticsType = eFormatSupportCheck;
|
|
|
|
if (NS_WARN_IF(!aDocument)) {
|
|
DD_WARN("DecoderDoctorDiagnostics[%p]::StoreFormatDiagnostics(nsIDocument* aDocument=nullptr, format='%s', can-play=%d, call site '%s')",
|
|
this, NS_ConvertUTF16toUTF8(aFormat).get(), aCanPlay, aCallSite);
|
|
return;
|
|
}
|
|
if (NS_WARN_IF(aFormat.IsEmpty())) {
|
|
DD_WARN("DecoderDoctorDiagnostics[%p]::StoreFormatDiagnostics(nsIDocument* aDocument=%p, format=<empty>, can-play=%d, call site '%s')",
|
|
this, aDocument, aCanPlay, aCallSite);
|
|
return;
|
|
}
|
|
|
|
RefPtr<DecoderDoctorDocumentWatcher> watcher =
|
|
DecoderDoctorDocumentWatcher::RetrieveOrCreate(aDocument);
|
|
|
|
if (NS_WARN_IF(!watcher)) {
|
|
DD_WARN("DecoderDoctorDiagnostics[%p]::StoreFormatDiagnostics(nsIDocument* aDocument=%p, format='%s', can-play=%d, call site '%s') - Could not create document watcher",
|
|
this, aDocument, NS_ConvertUTF16toUTF8(aFormat).get(), aCanPlay, aCallSite);
|
|
return;
|
|
}
|
|
|
|
mFormat = aFormat;
|
|
mCanPlay = aCanPlay;
|
|
|
|
// StoreDiagnostics should only be called once, after all data is available,
|
|
// so it is safe to Move() from this object.
|
|
watcher->AddDiagnostics(Move(*this), aCallSite);
|
|
// Even though it's moved-from, the type should stay set
|
|
// (Only used to ensure that we do store only once.)
|
|
MOZ_ASSERT(mDiagnosticsType == eFormatSupportCheck);
|
|
}
|
|
|
|
void
|
|
DecoderDoctorDiagnostics::StoreMediaKeySystemAccess(nsIDocument* aDocument,
|
|
const nsAString& aKeySystem,
|
|
bool aIsSupported,
|
|
const char* aCallSite)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
// Make sure we only store once.
|
|
MOZ_ASSERT(mDiagnosticsType == eUnsaved);
|
|
mDiagnosticsType = eMediaKeySystemAccessRequest;
|
|
|
|
if (NS_WARN_IF(!aDocument)) {
|
|
DD_WARN("DecoderDoctorDiagnostics[%p]::StoreMediaKeySystemAccess(nsIDocument* aDocument=nullptr, keysystem='%s', supported=%d, call site '%s')",
|
|
this, NS_ConvertUTF16toUTF8(aKeySystem).get(), aIsSupported, aCallSite);
|
|
return;
|
|
}
|
|
if (NS_WARN_IF(aKeySystem.IsEmpty())) {
|
|
DD_WARN("DecoderDoctorDiagnostics[%p]::StoreMediaKeySystemAccess(nsIDocument* aDocument=%p, keysystem=<empty>, supported=%d, call site '%s')",
|
|
this, aDocument, aIsSupported, aCallSite);
|
|
return;
|
|
}
|
|
|
|
RefPtr<DecoderDoctorDocumentWatcher> watcher =
|
|
DecoderDoctorDocumentWatcher::RetrieveOrCreate(aDocument);
|
|
|
|
if (NS_WARN_IF(!watcher)) {
|
|
DD_WARN("DecoderDoctorDiagnostics[%p]::StoreMediaKeySystemAccess(nsIDocument* aDocument=%p, keysystem='%s', supported=%d, call site '%s') - Could not create document watcher",
|
|
this, aDocument, NS_ConvertUTF16toUTF8(aKeySystem).get(), aIsSupported, aCallSite);
|
|
return;
|
|
}
|
|
|
|
mKeySystem = aKeySystem;
|
|
mIsKeySystemSupported = aIsSupported;
|
|
|
|
// StoreMediaKeySystemAccess should only be called once, after all data is
|
|
// available, so it is safe to Move() from this object.
|
|
watcher->AddDiagnostics(Move(*this), aCallSite);
|
|
// Even though it's moved-from, the type should stay set
|
|
// (Only used to ensure that we do store only once.)
|
|
MOZ_ASSERT(mDiagnosticsType == eMediaKeySystemAccessRequest);
|
|
}
|
|
|
|
void
|
|
DecoderDoctorDiagnostics::StoreEvent(nsIDocument* aDocument,
|
|
const DecoderDoctorEvent& aEvent,
|
|
const char* aCallSite)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
// Make sure we only store once.
|
|
MOZ_ASSERT(mDiagnosticsType == eUnsaved);
|
|
mDiagnosticsType = eEvent;
|
|
mEvent = aEvent;
|
|
|
|
if (NS_WARN_IF(!aDocument)) {
|
|
DD_WARN("DecoderDoctorDiagnostics[%p]::StoreEvent(nsIDocument* aDocument=nullptr, aEvent=%s, call site '%s')",
|
|
this, GetDescription().get(), aCallSite);
|
|
return;
|
|
}
|
|
|
|
// Don't keep events for later processing, just handle them now.
|
|
#ifdef MOZ_PULSEAUDIO
|
|
switch (aEvent.mDomain) {
|
|
case DecoderDoctorEvent::eAudioSinkStartup:
|
|
if (aEvent.mResult == NS_ERROR_DOM_MEDIA_CUBEB_INITIALIZATION_ERR) {
|
|
DD_INFO("DecoderDoctorDocumentWatcher[%p, doc=%p]::AddDiagnostics() - unable to initialize PulseAudio",
|
|
this, aDocument);
|
|
ReportAnalysis(aDocument, sCannotInitializePulseAudio,
|
|
false, NS_LITERAL_STRING("*"));
|
|
} else if (aEvent.mResult == NS_OK) {
|
|
DD_INFO("DecoderDoctorDocumentWatcher[%p, doc=%p]::AddDiagnostics() - now able to initialize PulseAudio",
|
|
this, aDocument);
|
|
ReportAnalysis(aDocument, sCannotInitializePulseAudio,
|
|
true, NS_LITERAL_STRING("*"));
|
|
}
|
|
break;
|
|
}
|
|
#endif // MOZ_PULSEAUDIO
|
|
}
|
|
|
|
static const char*
|
|
EventDomainString(DecoderDoctorEvent::Domain aDomain)
|
|
{
|
|
switch (aDomain) {
|
|
case DecoderDoctorEvent::eAudioSinkStartup:
|
|
return "audio-sink-startup";
|
|
}
|
|
return "?";
|
|
}
|
|
|
|
nsCString
|
|
DecoderDoctorDiagnostics::GetDescription() const
|
|
{
|
|
nsCString s;
|
|
switch (mDiagnosticsType) {
|
|
case eUnsaved:
|
|
s = "Unsaved diagnostics, cannot get accurate description";
|
|
break;
|
|
case eFormatSupportCheck:
|
|
s = "format='";
|
|
s += NS_ConvertUTF16toUTF8(mFormat).get();
|
|
s += mCanPlay ? "', can play" : "', cannot play";
|
|
if (mVideoNotSupported) {
|
|
s+= ", but video format not supported";
|
|
}
|
|
if (mAudioNotSupported) {
|
|
s+= ", but audio format not supported";
|
|
}
|
|
if (mWMFFailedToLoad) {
|
|
s += ", Windows platform decoder failed to load";
|
|
}
|
|
if (mFFmpegFailedToLoad) {
|
|
s += ", Linux platform decoder failed to load";
|
|
}
|
|
#ifdef THE_GMP
|
|
if (mGMPPDMFailedToStartup) {
|
|
s += ", GMP PDM failed to startup";
|
|
} else if (!mGMP.IsEmpty()) {
|
|
s += ", Using GMP '";
|
|
s += mGMP;
|
|
s += "'";
|
|
}
|
|
#endif
|
|
break;
|
|
case eMediaKeySystemAccessRequest:
|
|
s = "key system='";
|
|
s += NS_ConvertUTF16toUTF8(mKeySystem).get();
|
|
s += mIsKeySystemSupported ? "', supported" : "', not supported";
|
|
switch (mKeySystemIssue) {
|
|
case eUnset:
|
|
break;
|
|
case eWidevineWithNoWMF:
|
|
s += ", Widevine with no WMF";
|
|
break;
|
|
}
|
|
break;
|
|
case eEvent:
|
|
s = nsPrintfCString("event domain %s result=%u",
|
|
EventDomainString(mEvent.mDomain), mEvent.mResult);
|
|
break;
|
|
default:
|
|
MOZ_ASSERT_UNREACHABLE("Unexpected DiagnosticsType");
|
|
s = "?";
|
|
break;
|
|
}
|
|
return s;
|
|
}
|
|
|
|
} // namespace mozilla
|