Source/WebCore/platform/graphics/SourceBufferPrivate.h

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
 * Copyright (C) 2013-2017 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:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
 * OWNER 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,
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#if ENABLE(MEDIA_SOURCE)

#include "MediaPlayer.h"
#include <wtf/Logger.h>

namespace WebCore {

class MediaSample;
class SourceBufferPrivateClient;

class SourceBufferPrivate : public RefCounted<SourceBufferPrivate> {
public:
    virtual ~SourceBufferPrivate() = default;

    virtual void setClient(SourceBufferPrivateClient*) = 0;

    virtual void append(Vector<unsigned char>&&) = 0;
    virtual void abort() = 0;
    virtual void resetParserState() = 0;
    virtual void removedFromMediaSource() = 0;

    virtual MediaPlayer::ReadyState readyState() const = 0;
    virtual void setReadyState(MediaPlayer::ReadyState) = 0;

    virtual void flush(const AtomString&) { }
    virtual void enqueueSample(Ref<MediaSample>&&, const AtomString&) { }
    virtual void allSamplesInTrackEnqueued(const AtomString&) { }
    virtual bool isReadyForMoreSamples(const AtomString&) { return false; }
    virtual void setActive(bool) { }
    virtual void notifyClientWhenReadyForMoreSamples(const AtomString&) { }

    virtual bool canSetMinimumUpcomingPresentationTime(const AtomString&) const { return false; }
    virtual void setMinimumUpcomingPresentationTime(const AtomString&, const MediaTime&) { }
    virtual void clearMinimumUpcomingPresentationTime(const AtomString&) { }
    virtual bool canSwitchToType(const ContentType&) { return false; }

    // Internals Utility methods:
    virtual Vector<String> enqueuedSamplesForTrackID(const AtomString&) { return { }; }
    virtual MediaTime minimumUpcomingPresentationTimeForTrackID(const AtomString&) { return MediaTime::invalidTime(); }
    virtual void setMaximumQueueDepthForTrackID(const AtomString&, size_t) { }

#if !RELEASE_LOG_DISABLED
    virtual const Logger& sourceBufferLogger() const = 0;
    virtual const void* sourceBufferLogIdentifier() = 0;
#endif
};

}

#endif