Source/WebCore/platform/graphics/MediaPlaybackTargetContext.h

/*
 * Copyright (C) 2015 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. ``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
 * 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 CONTRACT, STRICT LIABILITY, OR TORT
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#ifndef MediaPlaybackTargetContext_h
#define MediaPlaybackTargetContext_h

#if ENABLE(WIRELESS_PLAYBACK_TARGET)

OBJC_CLASS AVOutputContext;

#if PLATFORM(COCOA)
OBJC_CLASS NSKeyedArchiver;
OBJC_CLASS NSKeyedUnarchiver;
#endif

namespace WebCore {

struct MediaPlaybackTargetContext {

    enum ContextType : int32_t {
        None,
        AVOutputContextType,
    } type;

    union {
        AVOutputContext* avOutputContext;
    } context;

    bool encodingRequiresPlatformData() const { return type == AVOutputContextType; }
};

const MediaPlaybackTargetContext NoMediaPlaybackTargetContext = { MediaPlaybackTargetContext::None, {nullptr} };

}

#endif // ENABLE(WIRELESS_PLAYBACK_TARGET)

#endif // MediaPlaybackTargetContext