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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
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