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-rw-r--r--dom/media/platforms/apple/AppleDecoderModule.cpp113
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diff --git a/dom/media/platforms/apple/AppleDecoderModule.cpp b/dom/media/platforms/apple/AppleDecoderModule.cpp
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+++ b/dom/media/platforms/apple/AppleDecoderModule.cpp
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "AppleATDecoder.h"
+#include "AppleCMLinker.h"
+#include "AppleDecoderModule.h"
+#include "AppleVTDecoder.h"
+#include "AppleVTLinker.h"
+#include "MacIOSurfaceImage.h"
+#include "MediaPrefs.h"
+#include "mozilla/DebugOnly.h"
+#include "mozilla/Logging.h"
+#include "mozilla/gfx/gfxVars.h"
+
+namespace mozilla {
+
+bool AppleDecoderModule::sInitialized = false;
+bool AppleDecoderModule::sIsCoreMediaAvailable = false;
+bool AppleDecoderModule::sIsVTAvailable = false;
+bool AppleDecoderModule::sIsVTHWAvailable = false;
+bool AppleDecoderModule::sCanUseHardwareVideoDecoder = true;
+
+AppleDecoderModule::AppleDecoderModule()
+{
+}
+
+AppleDecoderModule::~AppleDecoderModule()
+{
+}
+
+/* static */
+void
+AppleDecoderModule::Init()
+{
+ if (sInitialized) {
+ return;
+ }
+
+ // Ensure IOSurface framework is loaded.
+ MacIOSurfaceLib::LoadLibrary();
+ const bool loaded = MacIOSurfaceLib::isInit();
+
+ // dlopen CoreMedia.framework if it's available.
+ sIsCoreMediaAvailable = AppleCMLinker::Link();
+ // dlopen VideoToolbox.framework if it's available.
+ // We must link both CM and VideoToolbox framework to allow for proper
+ // paired Link/Unlink calls
+ bool haveVideoToolbox = loaded && AppleVTLinker::Link();
+ sIsVTAvailable = sIsCoreMediaAvailable && haveVideoToolbox;
+
+ sIsVTHWAvailable = AppleVTLinker::skPropEnableHWAccel != nullptr;
+
+ sCanUseHardwareVideoDecoder = loaded &&
+ gfx::gfxVars::CanUseHardwareVideoDecoding();
+
+ sInitialized = true;
+}
+
+nsresult
+AppleDecoderModule::Startup()
+{
+ if (!sInitialized || !sIsVTAvailable) {
+ return NS_ERROR_FAILURE;
+ }
+ return NS_OK;
+}
+
+already_AddRefed<MediaDataDecoder>
+AppleDecoderModule::CreateVideoDecoder(const CreateDecoderParams& aParams)
+{
+ RefPtr<MediaDataDecoder> decoder =
+ new AppleVTDecoder(aParams.VideoConfig(),
+ aParams.mTaskQueue,
+ aParams.mCallback,
+ aParams.mImageContainer);
+ return decoder.forget();
+}
+
+already_AddRefed<MediaDataDecoder>
+AppleDecoderModule::CreateAudioDecoder(const CreateDecoderParams& aParams)
+{
+ RefPtr<MediaDataDecoder> decoder =
+ new AppleATDecoder(aParams.AudioConfig(),
+ aParams.mTaskQueue,
+ aParams.mCallback);
+ return decoder.forget();
+}
+
+bool
+AppleDecoderModule::SupportsMimeType(const nsACString& aMimeType,
+ DecoderDoctorDiagnostics* aDiagnostics) const
+{
+ return (sIsCoreMediaAvailable &&
+ (aMimeType.EqualsLiteral("audio/mpeg") ||
+ aMimeType.EqualsLiteral("audio/mp4a-latm"))) ||
+ (sIsVTAvailable && (aMimeType.EqualsLiteral("video/mp4") ||
+ aMimeType.EqualsLiteral("video/avc")));
+}
+
+PlatformDecoderModule::ConversionRequired
+AppleDecoderModule::DecoderNeedsConversion(const TrackInfo& aConfig) const
+{
+ if (aConfig.IsVideo()) {
+ return ConversionRequired::kNeedAVCC;
+ } else {
+ return ConversionRequired::kNeedNone;
+ }
+}
+
+} // namespace mozilla