firefox-main/dom/media/ipc/RemoteDecoderModule.cpp (file symbol)

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/* 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 "RemoteDecoderModule.h"
#include "AOMDecoder.h"
#include "RemoteAudioDecoder.h"
#include "RemoteMediaDataDecoder.h"
#include "RemoteMediaManagerChild.h"
#include "RemoteVideoDecoder.h"
#include "VideoUtils.h"
#include "gfxConfig.h"
#include "mozilla/RemoteDecodeUtils.h"
namespace mozilla {
using namespace ipc;
using namespace layers;
already_AddRefed<PlatformDecoderModule> RemoteDecoderModule::Create(
RemoteMediaIn aLocation) {
MOZ_ASSERT(!XRE_IsGPUProcess() && !XRE_IsRDDProcess(),
"Should not be created in GPU or RDD process.");
if (!XRE_IsContentProcess()) {
// For now, the RemoteDecoderModule is only available in the content
// process.
return nullptr;
}
return MakeAndAddRef<RemoteDecoderModule>(aLocation);
}
RemoteDecoderModule::RemoteDecoderModule(RemoteMediaIn aLocation)
: mLocation(aLocation) {}
const char* RemoteDecoderModule::Name() const {
switch (mLocation) {
case RemoteMediaIn::Unspecified:
return "Remote: Unspecified";
case RemoteMediaIn::RddProcess:
return "Remote: RddProcess";
case RemoteMediaIn::GpuProcess:
return "Remote: GpuProcess";
case RemoteMediaIn::UtilityProcess_Generic:
return "Remote: Utility_Generic";
case RemoteMediaIn::UtilityProcess_AppleMedia:
return "Remote: Utility_AppleMedia";
case RemoteMediaIn::UtilityProcess_WMF:
return "Remote: Utility_WMF";
case RemoteMediaIn::UtilityProcess_MFMediaEngineCDM:
return "Remote: Utility_MFMediaEngineCDM";
default:
MOZ_CRASH("Missing enum handling");
}
}
media::DecodeSupportSet RemoteDecoderModule::SupportsMimeType(
const nsACString& aMimeType, DecoderDoctorDiagnostics* aDiagnostics) const {
MOZ_CRASH("Deprecated: Use RemoteDecoderModule::Supports");
} // namespace mozilla
media::DecodeSupportSet RemoteDecoderModule::Supports(
const SupportDecoderParams& aParams,
DecoderDoctorDiagnostics* aDiagnostics) const {
media::DecodeSupportSet support =
RemoteMediaManagerChild::Supports(mLocation, aParams, aDiagnostics);
#ifdef MOZ_WMF_CDM
// This should only be supported by mf media engine cdm process.
if (aParams.mMediaEngineId &&
mLocation != RemoteMediaIn::UtilityProcess_MFMediaEngineCDM) {
support = {};
}
#endif
#ifdef ANDROID
if ((aParams.mCDM && mLocation != RemoteMediaIn::RddProcess) ||
(!aParams.mCDM && aParams.mConfig.IsAudio() &&
mLocation != RemoteMediaIn::UtilityProcess_Generic)) {
support = {};
}
#endif
MOZ_LOG_FMT(
sPDMLog, LogLevel::Debug, "Sandbox {} decoder {} requested type {}",
RemoteMediaInToStr(mLocation), support.isEmpty() ? "rejects" : "supports",
aParams.MimeType().get());
return support;
}
RefPtr<RemoteDecoderModule::SupportsDecoderPromise>
RemoteDecoderModule::SupportsAsync(const SupportDecoderParams& aParams) const {
// SupportDecoderParams is stack-only and holds a reference to its config, so
// clone the bits we need to survive the asynchronous wait below.
UniquePtr<TrackInfo> config = aParams.mConfig.Clone();
const media::VideoFrameRate rate = aParams.mRate;
const Maybe<uint64_t> mediaEngineId = aParams.mMediaEngineId;
RefPtr<const RemoteDecoderModule> self = this;
return RemoteMediaManagerChild::EnsureCodecSupportFor(mLocation)->Then(
GetCurrentSerialEventTarget(), __func__,
[self, config = std::move(config), rate, mediaEngineId](bool) {
SupportDecoderParams params{*config, rate};
params.mMediaEngineId = mediaEngineId;
return SupportsDecoderPromise::CreateAndResolve(
self->Supports(params, nullptr), __func__);
},
[](nsresult aRv) {
return SupportsDecoderPromise::CreateAndReject(aRv, __func__);
});
}
RefPtr<RemoteDecoderModule::CreateDecoderPromise>
RemoteDecoderModule::AsyncCreateDecoder(const CreateDecoderParams& aParams) {
if (aParams.mConfig.IsAudio()) {
// OpusDataDecoder will check this option to provide the same info
// that IsDefaultPlaybackDeviceMono provides. We want to avoid calls
// to IsDefaultPlaybackDeviceMono on RDD because initializing audio
// backends on RDD will be blocked by the sandbox.
if (aParams.mConfig.mMimeType.Equals("audio/opus") &&
IsDefaultPlaybackDeviceMono()) {
CreateDecoderParams params = aParams;
params.mOptions += CreateDecoderParams::Option::DefaultPlaybackDeviceMono;
return RemoteMediaManagerChild::CreateAudioDecoder(params, mLocation);
}
return RemoteMediaManagerChild::CreateAudioDecoder(aParams, mLocation);
}
return RemoteMediaManagerChild::CreateVideoDecoder(aParams, mLocation);
}
} // namespace mozilla