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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 sts=2 et sw=2 tw=80: */
/* 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/. */
#ifndef _include_ipc_glue_UtilityAudioDecoderChild_h__
#define _include_ipc_glue_UtilityAudioDecoderChild_h__
#include "mozilla/ProcInfo.h"
#include "mozilla/ProfilerMarkers.h"
#include "mozilla/RefPtr.h"
#include "mozilla/ipc/Endpoint.h"
#include "mozilla/ipc/UtilityProcessParent.h"
#include "mozilla/ipc/UtilityProcessSandboxing.h"
#include "mozilla/ipc/UtilityAudioDecoder.h"
#include "mozilla/ipc/PUtilityAudioDecoderChild.h"
#ifdef MOZ_WMF_MEDIA_ENGINE
# include "mozilla/gfx/GPUProcessListener.h"
# include "mozilla/gfx/gfxVarReceiver.h"
#endif
#include "PDMFactory.h"
namespace mozilla::ipc {
class UtilityAudioDecoderChildShutdownObserver : public nsIObserver {
public:
explicit UtilityAudioDecoderChildShutdownObserver(SandboxingKind aKind)
: mSandbox(aKind){};
NS_DECL_ISUPPORTS
NS_IMETHOD Observe(nsISupports* aSubject, const char* aTopic,
const char16_t* aData) override;
private:
virtual ~UtilityAudioDecoderChildShutdownObserver() = default;
const SandboxingKind mSandbox;
};
// This controls performing audio decoding on the utility process and it is
// intended to live on the main process side
class UtilityAudioDecoderChild final : public PUtilityAudioDecoderChild
#ifdef MOZ_WMF_MEDIA_ENGINE
,
public gfx::gfxVarReceiver,
public gfx::GPUProcessListener
#endif
{
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(UtilityAudioDecoderChild, override);
mozilla::ipc::IPCResult RecvUpdateMediaCodecsSupported(
const RemoteDecodeIn& aLocation,
const media::MediaCodecsSupported& aSupported);
UtilityActorName GetActorName() { return GetAudioActorName(mSandbox); }
nsresult BindToUtilityProcess(RefPtr<UtilityProcessParent> aUtilityParent);
void ActorDestroy(ActorDestroyReason aReason) override;
void Bind(Endpoint<PUtilityAudioDecoderChild>&& aEndpoint);
static void Shutdown(SandboxingKind aKind);
static RefPtr<UtilityAudioDecoderChild> GetSingleton(SandboxingKind aKind);
#ifdef MOZ_WMF_MEDIA_ENGINE
mozilla::ipc::IPCResult RecvCompleteCreatedVideoBridge();
void OnVarChanged(const gfx::GfxVarUpdate& aVar) override;
void OnCompositorUnexpectedShutdown() override;
// True if creating a video bridge sucessfully. Currently only used for media
// engine cdm.
bool CreateVideoBridge();
#endif
#ifdef MOZ_WMF_CDM
void GetKeySystemCapabilities(dom::Promise* aPromise);
#endif
private:
explicit UtilityAudioDecoderChild(SandboxingKind aKind);
~UtilityAudioDecoderChild() = default;
const SandboxingKind mSandbox;
#ifdef MOZ_WMF_MEDIA_ENGINE
// True if the utility process has created a video bridge with the GPU prcess.
// Currently only used for media egine cdm. Main thread only.
enum class State { None, Creating, Created };
State mHasCreatedVideoBridge = State::None;
#endif
TimeStamp mAudioDecoderChildStart;
};
} // namespace mozilla::ipc
#endif // _include_ipc_glue_UtilityAudioDecoderChild_h__
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