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/*
* Copyright (C) 2012-2017 Apple Inc. All rights reserved.
* Copyright (C) 2013 Cable Television Labs, 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
* (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(VIDEO)
#include "TrackPrivateBaseClient.h"
#include <wtf/LoggerHelper.h>
#include <wtf/MediaTime.h>
#include <wtf/ThreadSafeRefCounted.h>
#include <wtf/text/AtomString.h>
namespace WebCore {
class WEBCORE_EXPORT TrackPrivateBase
: public ThreadSafeRefCounted<TrackPrivateBase, WTF::DestructionThread::Main>
#if !RELEASE_LOG_DISABLED
, public LoggerHelper
#endif
{
WTF_MAKE_NONCOPYABLE(TrackPrivateBase);
WTF_MAKE_FAST_ALLOCATED;
public:
virtual ~TrackPrivateBase() = default;
virtual TrackPrivateBaseClient* client() const = 0;
virtual AtomString id() const { return emptyAtom(); }
virtual AtomString label() const { return emptyAtom(); }
virtual AtomString language() const { return emptyAtom(); }
virtual int trackIndex() const { return 0; }
virtual std::optional<uint64_t> trackUID() const;
virtual std::optional<bool> defaultEnabled() const;
virtual MediaTime startTimeVariance() const { return MediaTime::zeroTime(); }
void willBeRemoved()
{
if (auto* client = this->client())
client->willRemove();
}
bool operator==(const TrackPrivateBase&) const;
enum class Type { Video, Audio, Text };
virtual Type type() const = 0;
#if !RELEASE_LOG_DISABLED
virtual void setLogger(const Logger&, const void*);
const Logger& logger() const final { ASSERT(m_logger); return *m_logger.get(); }
const void* logIdentifier() const final { return m_logIdentifier; }
WTFLogChannel& logChannel() const final;
#endif
protected:
TrackPrivateBase() = default;
#if !RELEASE_LOG_DISABLED
RefPtr<const Logger> m_logger;
const void* m_logIdentifier;
#endif
};
} // namespace WebCore
#endif
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