Source/WebCore/platform/graphics/cocoa/VideoTrackPrivateWebM.h

/*
 * Copyright (C) 2020 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
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#if ENABLE(MEDIA_SOURCE)

#include "VideoTrackPrivate.h"
#include <webm/dom_types.h>

namespace WebCore {

class VideoTrackPrivateWebM final : public VideoTrackPrivate {
public:
    static Ref<VideoTrackPrivateWebM> create(webm::TrackEntry&&);
    virtual ~VideoTrackPrivateWebM() = default;

    AtomString id() const final;
    AtomString label() const final;
    AtomString language() const final;
    int trackIndex() const final;
    std::optional<uint64_t> trackUID() const final;
    std::optional<bool> defaultEnabled() const final;

private:
    VideoTrackPrivateWebM(webm::TrackEntry&&);

    String codec() const;
    uint32_t width() const;
    uint32_t height() const;
    double framerate() const;
    void updateConfiguration();

    webm::TrackEntry m_track;
    mutable AtomString m_trackID;
    mutable AtomString m_label;
    mutable AtomString m_language;
};

}

#endif // ENABLE(MEDIA_SOURCE)