DSAudio.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_DS_AUDIO_H
#define META_OCEAN_MEDIA_DS_AUDIO_H
 
#include "ocean/media/directshow/DirectShow.h"
#include "ocean/media/directshow/DSFiniteMedium.h"
#include "ocean/media/directshow/DSSoundMedium.h"
 
#include "ocean/media/Audio.h"
 
namespace Ocean
{
 
namespace Media
{
 
namespace DirectShow
{
 
/**
 * This class implements a DirectShow audio object.
 * @ingroup mediads
 */
class OCEAN_MEDIA_DS_EXPORT DSAudio :
    public virtual DSFiniteMedium,
    public virtual DSSoundMedium,
    public virtual Audio
{
    friend class DSLibrary;
 
    public:
 
        /**
         * Clones this medium and returns a new independent instance of this medium.
         * @see Medium::clone().
         */
        MediumRef clone() const override;
 
    protected:
 
        /**
         * Creates a new audio by a given url.
         * @param url The URL of the audio
         */
        explicit DSAudio(const std::string& url);
 
        /**
         * Destructs a DSAudio object.
         */
        ~DSAudio() override;
 
        /**
         * Builds the entire filter graph.
         * @see DSGraphObject::buildGraph().
         */
        bool buildGraph() override;
 
        /**
         * Releases the entire filter graph.
         * @see DSGraphObject::releaseGraph().
         */
        void releaseGraph() override;
};
 
}
 
}
 
}
 
#endif // META_OCEAN_MEDIA_DS_AUDIO_H