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https://github.com/mozilla/gecko-dev.git
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399b759f3e
--HG-- rename : content/media/fmp4/eme/EMEAACDecoder.cpp => content/media/fmp4/eme/EMEAudioDecoder.cpp rename : content/media/fmp4/eme/EMEAACDecoder.h => content/media/fmp4/eme/EMEAudioDecoder.h rename : content/media/fmp4/ffmpeg/FFmpegAACDecoder.cpp => content/media/fmp4/ffmpeg/FFmpegAudioDecoder.cpp rename : content/media/fmp4/ffmpeg/FFmpegAACDecoder.h => content/media/fmp4/ffmpeg/FFmpegAudioDecoder.h extra : rebase_source : 964077ffa7abd11a5da586bfcdee2ee98d4bc210
163 lines
4.2 KiB
C++
163 lines
4.2 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 "PlatformDecoderModule.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_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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#include "mozilla/Preferences.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 "SharedThreadPool.h"
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#include "MediaTaskQueue.h"
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namespace mozilla {
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extern PlatformDecoderModule* CreateBlankDecoderModule();
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bool PlatformDecoderModule::sUseBlankDecoder = false;
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bool PlatformDecoderModule::sFFmpegDecoderEnabled = false;
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bool PlatformDecoderModule::sGonkDecoderEnabled = false;
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/* static */
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void
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PlatformDecoderModule::Init()
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{
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MOZ_ASSERT(NS_IsMainThread());
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static bool alreadyInitialized = false;
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if (alreadyInitialized) {
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return;
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}
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alreadyInitialized = true;
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Preferences::AddBoolVarCache(&sUseBlankDecoder,
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"media.fragmented-mp4.use-blank-decoder");
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Preferences::AddBoolVarCache(&sFFmpegDecoderEnabled,
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"media.fragmented-mp4.ffmpeg.enabled", false);
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#ifdef MOZ_GONK_MEDIACODEC
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Preferences::AddBoolVarCache(&sGonkDecoderEnabled,
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"media.fragmented-mp4.gonk.enabled", false);
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#endif
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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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}
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class CreateTaskQueueTask : public nsRunnable {
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public:
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NS_IMETHOD Run() {
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MOZ_ASSERT(NS_IsMainThread());
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mTaskQueue = new MediaTaskQueue(GetMediaDecodeThreadPool());
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return NS_OK;
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}
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nsRefPtr<MediaTaskQueue> mTaskQueue;
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};
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static already_AddRefed<MediaTaskQueue>
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CreateTaskQueue()
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{
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// We must create the MediaTaskQueue/SharedThreadPool on the main thread.
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nsRefPtr<CreateTaskQueueTask> t(new CreateTaskQueueTask());
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nsresult rv = NS_DispatchToMainThread(t, NS_DISPATCH_SYNC);
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NS_ENSURE_SUCCESS(rv, nullptr);
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return t->mTaskQueue.forget();
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}
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#ifdef MOZ_EME
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/* static */
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PlatformDecoderModule*
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PlatformDecoderModule::CreateCDMWrapper(CDMProxy* aProxy,
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bool aHasAudio,
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bool aHasVideo,
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MediaTaskQueue* aTaskQueue)
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{
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bool cdmDecodesAudio;
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bool cdmDecodesVideo;
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{
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CDMCaps::AutoLock caps(aProxy->Capabilites());
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cdmDecodesAudio = caps.CanDecryptAndDecodeAudio();
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cdmDecodesVideo = caps.CanDecryptAndDecodeVideo();
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}
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nsAutoPtr<PlatformDecoderModule> pdm;
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if ((!cdmDecodesAudio && aHasAudio) || (!cdmDecodesVideo && aHasVideo)) {
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// The CDM itself can't decode. We need to wrap a PDM to decode the
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// decrypted output of the CDM.
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pdm = Create();
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if (!pdm) {
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return nullptr;
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}
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}
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return new EMEDecoderModule(aProxy,
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pdm.forget(),
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cdmDecodesAudio,
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cdmDecodesVideo,
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CreateTaskQueue());
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}
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#endif
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/* static */
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PlatformDecoderModule*
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PlatformDecoderModule::Create()
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{
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// Note: This runs on the decode thread.
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MOZ_ASSERT(!NS_IsMainThread());
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if (sUseBlankDecoder) {
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return CreateBlankDecoderModule();
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}
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#ifdef XP_WIN
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nsAutoPtr<WMFDecoderModule> m(new WMFDecoderModule());
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if (NS_SUCCEEDED(m->Startup())) {
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return m.forget();
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}
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#endif
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#ifdef MOZ_FFMPEG
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if (sFFmpegDecoderEnabled) {
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nsAutoPtr<PlatformDecoderModule> m(FFmpegRuntimeLinker::CreateDecoderModule());
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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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#endif
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#ifdef MOZ_APPLEMEDIA
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nsAutoPtr<AppleDecoderModule> m(new AppleDecoderModule());
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if (NS_SUCCEEDED(m->Startup())) {
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return m.forget();
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}
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#endif
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#ifdef MOZ_GONK_MEDIACODEC
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if (sGonkDecoderEnabled) {
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return new GonkDecoderModule();
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}
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#endif
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return nullptr;
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}
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bool
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PlatformDecoderModule::SupportsAudioMimeType(const char* aMimeType)
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{
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return !strcmp(aMimeType, "audio/mp4a-latm");
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}
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} // namespace mozilla
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