MediaFoundation.h

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/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
 
#ifndef META_OCEAN_MEDIA_MF_MEDIA_FOUNDATION_H
#define META_OCEAN_MEDIA_MF_MEDIA_FOUNDATION_H
 
#include "ocean/media/Media.h"
 
#include "ocean/base/ScopedObject.h"
 
#ifndef OCEAN_PLATFORM_BUILD_WINDOWS
    #error This library is available on windows platforms only!
#endif // OCEAN_PLATFORM_BUILD_WINDOWS
 
// The DISABLE_WARNINGS_BEGIN macro allows to disable any warnings, needs to be balanced with DISABLE_WARNINGS_END
#ifndef DISABLE_WARNINGS_BEGIN
    #if defined(_MSC_VER)
        #define DISABLE_WARNINGS_BEGIN _Pragma("warning(push, 0)")
        #define DISABLE_WARNINGS_END _Pragma("warning(pop)")
    #else
        #define DISABLE_WARNINGS_BEGIN
        #define DISABLE_WARNINGS_END
    #endif
#endif
 
DISABLE_WARNINGS_BEGIN
    #include <mfapi.h>
    #include <mfidl.h>
DISABLE_WARNINGS_END
 
namespace Ocean
{
 
namespace Media
{
 
namespace MediaFoundation
{
 
/**
 * @ingroup media
 * @defgroup mediamf Ocean Media MediaFoundation Library
 * @{
 * The Ocean Media MediaFoundation Library provides MediaFoundation media functionalities.
 * The library is available on windows platforms only.
 * @}
 */
 
/**
 * @namespace Ocean::Media::MediaFoundation Namespace of the Media MediaFoundation library.<p>
 * The Namespace Ocean::Media::MediaFoundation is used in the entire Ocean Media MediaFoundation Library.
 */
 
// Defines OCEAN_MEDIA_MF_EXPORT for dll export and import.
#if defined(_WINDOWS) && defined(OCEAN_RUNTIME_SHARED)
    #ifdef USE_OCEAN_MEDIA_MF_EXPORT
        #define OCEAN_MEDIA_MF_EXPORT __declspec(dllexport)
    #else
        #define OCEAN_MEDIA_MF_EXPORT __declspec(dllimport)
    #endif
#else
    #define OCEAN_MEDIA_MF_EXPORT
#endif
 
/**
 * Returns the name of this media MediaFoundation library.
 * @ingroup mediamf
 */
OCEAN_MEDIA_MF_EXPORT std::string nameMediaFoundationLibrary();
 
#ifdef OCEAN_RUNTIME_STATIC
 
/**
 * Registers this media library at the global library manager.
 * This function calls MFLibrary::registerLibrary() only.
 * @ingroup mediamf
 */
void registerMediaFoundationLibrary();
 
/**
 * Unregisters this media library at the global library manager.
 * This function calls MFLibrary::unregisterLibrary() only.
 * @return True, if succeeded
 * @ingroup mediamf
 */
bool unregisterMediaFoundationLibrary();
 
#endif // OCEAN_RUNTIME_STATIC
 
/**
 * This functions allows to release a media foundation object if it does exist.
 * @param object Media Foundation object to be released
 * @ingroup mediamf
 */
template <class T> void release(T *object);
 
/**
 * Template specialization for ScopedObjectCompileTimeVoid using the release() function to release media foundation objects.
 * @tparam T The data type of the wrapped object
 * @ingroup mediamf
 */
template <typename T>
using ScopedMediaFoundationObject = ScopedObjectCompileTimeVoidT<T*, release>;
 
/**
 * Definition of a scoped object holding a IMFActivate object.
 * The wrapped IMFActivate object will be released automatically once the scoped object does not exist anymore.
 * @ingroup mediamf
 */
using ScopedIMFActivate = ScopedMediaFoundationObject<IMFActivate>;
 
/**
 * Definition of a scoped object holding a IMFAudioStreamVolume object.
 * The wrapped IMFAudioStreamVolume object will be released automatically once the scoped object does not exist anymore.
 * @ingroup mediamf
 */
using ScopedIMFAudioStreamVolume = ScopedMediaFoundationObject<IMFAudioStreamVolume>;
 
/**
 * Definition of a scoped object holding a IMFAttributes object.
 * The wrapped IMFAttributes object will be released automatically once the scoped object does not exist anymore.
 * @ingroup mediamf
 */
using ScopedIMFAttributes = ScopedMediaFoundationObject<IMFAttributes>;
 
/**
 * Definition of a scoped object holding a IMFMediaBuffer object.
 * The wrapped IMFMediaBuffer object will be released automatically once the scoped object does not exist anymore.
 * @ingroup mediamf
 */
using ScopedIMFMediaBuffer = ScopedMediaFoundationObject<IMFMediaBuffer>;
 
/**
 * Definition of a scoped object holding a IMFMediaEvent object.
 * The wrapped IMFMediaEvent object will be released automatically once the scoped object does not exist anymore.
 * @ingroup mediamf
 */
using ScopedIMFMediaEvent = ScopedMediaFoundationObject<IMFMediaEvent>;
 
/**
 * Definition of a scoped object holding a IMFMediaEventGenerator object.
 * The wrapped IMFMediaEventGenerator object will be released automatically once the scoped object does not exist anymore.
 * @ingroup mediamf
 */
using ScopedIMFMediaEventGenerator = ScopedMediaFoundationObject<IMFMediaEventGenerator>;
 
/**
 * Definition of a scoped object holding a IMFMediaSession object.
 * The wrapped IMFMediaSession object will be released automatically once the scoped object does not exist anymore.
 * @ingroup mediamf
 */
using ScopedIMFMediaSession = ScopedMediaFoundationObject<IMFMediaSession>;
 
/**
 * Definition of a scoped object holding a ScopedIMFMediaSource object.
 * The wrapped ScopedIMFMediaSource object will be released automatically once the scoped object does not exist anymore.
 * @ingroup mediamf
 */
using ScopedIMFMediaSource = ScopedMediaFoundationObject<IMFMediaSource>;
 
/**
 * Definition of a scoped object holding a IMFMediaType object.
 * The wrapped IMFMediaType object will be released automatically once the scoped object does not exist anymore.
 * @ingroup mediamf
 */
using ScopedIMFMediaType = ScopedMediaFoundationObject<IMFMediaType>;
 
/**
 * Definition of a scoped object holding a IMFMediaTypeHandler object.
 * The wrapped IMFMediaTypeHandler object will be released automatically once the scoped object does not exist anymore.
 * @ingroup mediamf
 */
using ScopedIMFMediaTypeHandler = ScopedMediaFoundationObject<IMFMediaTypeHandler>;
 
/**
 * Definition of a scoped object holding a IMFSample object.
 * The wrapped IMFSample object will be released automatically once the scoped object does not exist anymore.
 * @ingroup mediamf
 */
using ScopedIMFSample = ScopedMediaFoundationObject<IMFSample>;
 
/**
 * Definition of a scoped object holding a IMFStreamSink object.
 * The wrapped IMFStreamSink object will be released automatically once the scoped object does not exist anymore.
 * @ingroup mediamf
 */
using ScopedIMFStreamSink = ScopedMediaFoundationObject<IMFStreamSink>;
 
/**
 * Definition of a scoped object holding a IMFTopology object.
 * The wrapped IMFTopology object will be released automatically once the scoped object does not exist anymore.
 * @ingroup mediamf
 */
using ScopedIMFTopology = ScopedMediaFoundationObject<IMFTopology>;
 
/**
 * Definition of a scoped object holding a IMFTopologyNode object.
 * The wrapped IMFTopologyNode object will be released automatically once the scoped object does not exist anymore.
 * @ingroup mediamf
 */
using ScopedIMFTopologyNode = ScopedMediaFoundationObject<IMFTopologyNode>;
 
template <class T>
void release(T *object)
{
    if (object != nullptr)
    {
        object->Release();
    }
}
 
} // namespace MediaFoundation
 
} // namespace Media
 
} // namespace Ocean
 
#endif // META_OCEAN_MEDIA_MF_MEDIA_FOUNDATION_H