gecko-dev/dom/media/systemservices/OpenSLESProvider.h

69 строки
2.1 KiB
C++

/* -*- Mode: C++; tab-width: 50; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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 _OPENSLESPROVIDER_H_
#define _OPENSLESPROVIDER_H_
#include <SLES/OpenSLES.h>
#include <mozilla/Types.h>
#ifdef __cplusplus
extern "C" {
#endif
extern MOZ_EXPORT
SLresult mozilla_get_sles_engine(SLObjectItf * aObjectm,
SLuint32 aOptionCount,
const SLEngineOption *aOptions);
extern MOZ_EXPORT
void mozilla_destroy_sles_engine(SLObjectItf * aObjectm);
/* Realize is always in synchronous mode. */
extern MOZ_EXPORT
SLresult mozilla_realize_sles_engine(SLObjectItf aObjectm);
#ifdef __cplusplus
}
#endif
#ifdef __cplusplus
#include "mozilla/Mutex.h"
extern PRLogModuleInfo *gOpenSLESProviderLog;
namespace mozilla {
class OpenSLESProvider {
public:
static SLresult Get(SLObjectItf * aObjectm,
SLuint32 aOptionCount,
const SLEngineOption *aOptions);
static void Destroy(SLObjectItf * aObjectm);
static SLresult Realize(SLObjectItf aObjectm);
private:
OpenSLESProvider();
~OpenSLESProvider();
OpenSLESProvider(OpenSLESProvider const&); // NO IMPLEMENTATION
void operator=(OpenSLESProvider const&); // NO IMPLEMENTATION
static OpenSLESProvider& getInstance();
SLresult GetEngine(SLObjectItf * aObjectm,
SLuint32 aOptionCount,
const SLEngineOption *aOptions);
SLresult ConstructEngine(SLObjectItf * aObjectm,
SLuint32 aOptionCount,
const SLEngineOption *aOptions);
SLresult RealizeEngine(SLObjectItf aObjectm);
void DestroyEngine(SLObjectItf * aObjectm);
// Protect all our internal variables
mozilla::Mutex mLock;
SLObjectItf mSLEngine;
int mSLEngineUsers;
bool mIsRealized;
void *mOpenSLESLib;
};
} //namespace
#endif // cplusplus
#endif /* _OPENSLESPROVIDER_H_ */