Source/WebCore/platform/graphics/avfoundation/CDMPrivateMediaSourceAVFObjC.h

/*
 * Copyright (C) 2014 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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 */

#ifndef CDMPrivateMediaSourceAVFObjC_h
#define CDMPrivateMediaSourceAVFObjC_h

#if ENABLE(LEGACY_ENCRYPTED_MEDIA) && ENABLE(MEDIA_SOURCE)

#include "LegacyCDMPrivate.h"
#include <wtf/Vector.h>

namespace WebCore {

class LegacyCDM;
class CDMSessionMediaSourceAVFObjC;

class CDMPrivateMediaSourceAVFObjC : public CDMPrivateInterface {
    WTF_MAKE_FAST_ALLOCATED;
public:
    explicit CDMPrivateMediaSourceAVFObjC(LegacyCDM* cdm)
        : m_cdm(cdm)
    { }
    virtual ~CDMPrivateMediaSourceAVFObjC();

    static bool supportsKeySystem(const String&);
    static bool supportsKeySystemAndMimeType(const String& keySystem, const String& mimeType);

    bool supportsMIMEType(const String& mimeType) override;
    std::unique_ptr<LegacyCDMSession> createSession(LegacyCDMSessionClient*) override;

    LegacyCDM* cdm() const { return m_cdm; }

    void invalidateSession(CDMSessionMediaSourceAVFObjC*);
protected:
    struct KeySystemParameters {
        int version;
        Vector<int> protocols;
    };
    static Optional<KeySystemParameters> parseKeySystem(const String& keySystem);
    
    LegacyCDM* m_cdm;
    Vector<CDMSessionMediaSourceAVFObjC*> m_sessions;
};

}

#endif // ENABLE(LEGACY_ENCRYPTED_MEDIA) && ENABLE(MEDIA_SOURCE)

#endif // CDMPrivateMediaSourceAVFObjC_h