mirror of
https://github.com/mozilla/gecko-dev.git
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59a499df96
MozReview-Commit-ID: LiXOAzvVb1K --HG-- extra : transplant_source : %F8%29%C0%9C/%A7%17-%E1%04r%A2%FD%00%93e%21Z%29%A4
349 lines
8.6 KiB
C++
349 lines
8.6 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 "PDMFactory.h"
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#ifdef XP_WIN
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#include "WMFDecoderModule.h"
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#endif
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#ifdef MOZ_FFVPX
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#include "FFVPXRuntimeLinker.h"
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#endif
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#ifdef MOZ_FFMPEG
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#include "FFmpegRuntimeLinker.h"
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#endif
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#ifdef MOZ_APPLEMEDIA
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#include "AppleDecoderModule.h"
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#endif
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#ifdef MOZ_GONK_MEDIACODEC
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#include "GonkDecoderModule.h"
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#endif
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#ifdef MOZ_WIDGET_ANDROID
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#include "AndroidDecoderModule.h"
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#endif
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#include "GMPDecoderModule.h"
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#include "mozilla/ClearOnShutdown.h"
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#include "mozilla/SharedThreadPool.h"
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#include "mozilla/StaticPtr.h"
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#include "mozilla/SyncRunnable.h"
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#include "mozilla/TaskQueue.h"
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#include "MediaInfo.h"
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#include "MediaPrefs.h"
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#include "FuzzingWrapper.h"
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#include "H264Converter.h"
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#include "AgnosticDecoderModule.h"
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#ifdef MOZ_EME
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#include "EMEDecoderModule.h"
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#include "mozilla/CDMProxy.h"
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#endif
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#include "DecoderDoctorDiagnostics.h"
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namespace mozilla {
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extern already_AddRefed<PlatformDecoderModule> CreateAgnosticDecoderModule();
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extern already_AddRefed<PlatformDecoderModule> CreateBlankDecoderModule();
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class PDMFactoryImpl final {
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public:
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PDMFactoryImpl()
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{
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#ifdef XP_WIN
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WMFDecoderModule::Init();
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#endif
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#ifdef MOZ_APPLEMEDIA
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AppleDecoderModule::Init();
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#endif
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#ifdef MOZ_FFVPX
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FFVPXRuntimeLinker::Init();
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#endif
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#ifdef MOZ_FFMPEG
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FFmpegRuntimeLinker::Init();
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#endif
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GMPDecoderModule::Init();
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}
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};
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StaticAutoPtr<PDMFactoryImpl> PDMFactory::sInstance;
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StaticMutex PDMFactory::sMonitor;
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PDMFactory::PDMFactory()
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{
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EnsureInit();
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CreatePDMs();
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CreateBlankPDM();
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}
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PDMFactory::~PDMFactory()
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{
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}
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void
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PDMFactory::EnsureInit() const
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{
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{
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StaticMutexAutoLock mon(sMonitor);
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if (sInstance) {
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// Quick exit if we already have an instance.
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return;
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}
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if (NS_IsMainThread()) {
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// On the main thread and holding the lock -> Create instance.
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sInstance = new PDMFactoryImpl();
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ClearOnShutdown(&sInstance);
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return;
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}
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}
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// Not on the main thread -> Sync-dispatch creation to main thread.
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nsCOMPtr<nsIThread> mainThread = do_GetMainThread();
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nsCOMPtr<nsIRunnable> runnable =
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NS_NewRunnableFunction([]() {
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StaticMutexAutoLock mon(sMonitor);
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if (!sInstance) {
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sInstance = new PDMFactoryImpl();
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ClearOnShutdown(&sInstance);
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}
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});
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SyncRunnable::DispatchToThread(mainThread, runnable);
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}
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already_AddRefed<MediaDataDecoder>
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PDMFactory::CreateDecoder(const CreateDecoderParams& aParams)
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{
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if (aParams.mUseBlankDecoder) {
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MOZ_ASSERT(mBlankPDM);
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return CreateDecoderWithPDM(mBlankPDM, aParams);
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}
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const TrackInfo& config = aParams.mConfig;
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bool isEncrypted = mEMEPDM && config.mCrypto.mValid;
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if (isEncrypted) {
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return CreateDecoderWithPDM(mEMEPDM, aParams);
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}
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DecoderDoctorDiagnostics* diagnostics = aParams.mDiagnostics;
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if (diagnostics) {
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// If libraries failed to load, the following loop over mCurrentPDMs
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// will not even try to use them. So we record failures now.
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if (mWMFFailedToLoad) {
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diagnostics->SetWMFFailedToLoad();
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}
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if (mFFmpegFailedToLoad) {
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diagnostics->SetFFmpegFailedToLoad();
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}
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if (mGMPPDMFailedToStartup) {
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diagnostics->SetGMPPDMFailedToStartup();
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}
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}
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for (auto& current : mCurrentPDMs) {
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if (!current->SupportsMimeType(config.mMimeType, diagnostics)) {
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continue;
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}
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RefPtr<MediaDataDecoder> m = CreateDecoderWithPDM(current, aParams);
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if (m) {
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return m.forget();
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}
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}
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NS_WARNING("Unable to create a decoder, no platform found.");
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return nullptr;
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}
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already_AddRefed<MediaDataDecoder>
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PDMFactory::CreateDecoderWithPDM(PlatformDecoderModule* aPDM,
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const CreateDecoderParams& aParams)
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{
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MOZ_ASSERT(aPDM);
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RefPtr<MediaDataDecoder> m;
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const TrackInfo& config = aParams.mConfig;
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if (config.IsAudio()) {
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m = aPDM->CreateAudioDecoder(aParams);
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return m.forget();
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}
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if (!config.IsVideo()) {
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return nullptr;
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}
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MediaDataDecoderCallback* callback = aParams.mCallback;
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RefPtr<DecoderCallbackFuzzingWrapper> callbackWrapper;
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if (MediaPrefs::PDMFuzzingEnabled()) {
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callbackWrapper = new DecoderCallbackFuzzingWrapper(callback);
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callbackWrapper->SetVideoOutputMinimumInterval(
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TimeDuration::FromMilliseconds(MediaPrefs::PDMFuzzingInterval()));
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callbackWrapper->SetDontDelayInputExhausted(!MediaPrefs::PDMFuzzingDelayInputExhausted());
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callback = callbackWrapper.get();
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}
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CreateDecoderParams params = aParams;
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params.mCallback = callback;
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if (H264Converter::IsH264(config)) {
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RefPtr<H264Converter> h = new H264Converter(aPDM, params);
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const nsresult rv = h->GetLastError();
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if (NS_SUCCEEDED(rv) || rv == NS_ERROR_NOT_INITIALIZED) {
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// The H264Converter either successfully created the wrapped decoder,
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// or there wasn't enough AVCC data to do so. Otherwise, there was some
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// problem, for example WMF DLLs were missing.
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m = h.forget();
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}
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} else {
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m = aPDM->CreateVideoDecoder(params);
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}
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if (callbackWrapper && m) {
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m = new DecoderFuzzingWrapper(m.forget(), callbackWrapper.forget());
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}
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return m.forget();
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}
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bool
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PDMFactory::SupportsMimeType(const nsACString& aMimeType,
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DecoderDoctorDiagnostics* aDiagnostics) const
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{
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if (mEMEPDM) {
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return mEMEPDM->SupportsMimeType(aMimeType, aDiagnostics);
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}
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RefPtr<PlatformDecoderModule> current = GetDecoder(aMimeType, aDiagnostics);
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return !!current;
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}
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void
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PDMFactory::CreatePDMs()
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{
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RefPtr<PlatformDecoderModule> m;
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if (MediaPrefs::PDMUseBlankDecoder()) {
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m = CreateBlankDecoderModule();
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StartupPDM(m);
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// The Blank PDM SupportsMimeType reports true for all codecs; the creation
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// of its decoder is infallible. As such it will be used for all media, we
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// can stop creating more PDM from this point.
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return;
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}
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#ifdef MOZ_WIDGET_ANDROID
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if(MediaPrefs::PDMAndroidMediaCodecPreferred() &&
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MediaPrefs::PDMAndroidMediaCodecEnabled()) {
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m = new AndroidDecoderModule();
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StartupPDM(m);
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}
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#endif
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#ifdef XP_WIN
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if (MediaPrefs::PDMWMFEnabled()) {
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m = new WMFDecoderModule();
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mWMFFailedToLoad = !StartupPDM(m);
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} else {
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mWMFFailedToLoad = MediaPrefs::DecoderDoctorWMFDisabledIsFailure();
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}
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#endif
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#ifdef MOZ_FFVPX
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if (MediaPrefs::PDMFFVPXEnabled()) {
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m = FFVPXRuntimeLinker::CreateDecoderModule();
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StartupPDM(m);
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}
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#endif
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#ifdef MOZ_FFMPEG
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if (MediaPrefs::PDMFFmpegEnabled()) {
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m = FFmpegRuntimeLinker::CreateDecoderModule();
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mFFmpegFailedToLoad = !StartupPDM(m);
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} else {
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mFFmpegFailedToLoad = false;
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}
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#endif
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#ifdef MOZ_APPLEMEDIA
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m = new AppleDecoderModule();
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StartupPDM(m);
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#endif
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#ifdef MOZ_GONK_MEDIACODEC
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if (MediaPrefs::PDMGonkDecoderEnabled()) {
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m = new GonkDecoderModule();
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StartupPDM(m);
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}
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#endif
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#ifdef MOZ_WIDGET_ANDROID
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if(MediaPrefs::PDMAndroidMediaCodecEnabled()){
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m = new AndroidDecoderModule();
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StartupPDM(m);
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}
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#endif
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m = new AgnosticDecoderModule();
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StartupPDM(m);
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if (MediaPrefs::PDMGMPEnabled()) {
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m = new GMPDecoderModule();
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mGMPPDMFailedToStartup = !StartupPDM(m);
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} else {
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mGMPPDMFailedToStartup = false;
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}
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}
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void
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PDMFactory::CreateBlankPDM()
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{
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mBlankPDM = CreateBlankDecoderModule();
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MOZ_ASSERT(mBlankPDM && NS_SUCCEEDED(mBlankPDM->Startup()));
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}
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bool
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PDMFactory::StartupPDM(PlatformDecoderModule* aPDM)
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{
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if (aPDM && NS_SUCCEEDED(aPDM->Startup())) {
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mCurrentPDMs.AppendElement(aPDM);
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return true;
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}
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return false;
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}
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already_AddRefed<PlatformDecoderModule>
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PDMFactory::GetDecoder(const nsACString& aMimeType,
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DecoderDoctorDiagnostics* aDiagnostics) const
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{
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if (aDiagnostics) {
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// If libraries failed to load, the following loop over mCurrentPDMs
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// will not even try to use them. So we record failures now.
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if (mWMFFailedToLoad) {
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aDiagnostics->SetWMFFailedToLoad();
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}
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if (mFFmpegFailedToLoad) {
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aDiagnostics->SetFFmpegFailedToLoad();
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}
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if (mGMPPDMFailedToStartup) {
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aDiagnostics->SetGMPPDMFailedToStartup();
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}
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}
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RefPtr<PlatformDecoderModule> pdm;
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for (auto& current : mCurrentPDMs) {
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if (current->SupportsMimeType(aMimeType, aDiagnostics)) {
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pdm = current;
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break;
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}
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}
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return pdm.forget();
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}
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#ifdef MOZ_EME
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void
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PDMFactory::SetCDMProxy(CDMProxy* aProxy)
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{
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RefPtr<PDMFactory> m = new PDMFactory();
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mEMEPDM = new EMEDecoderModule(aProxy, m);
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}
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#endif
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} // namespace mozilla
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