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/*
* Copyright (C) 2013 Google 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,
* 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 "MediaPlayer.h"
#include "PlatformTimeRanges.h"
#include <wtf/Forward.h>
#include <wtf/ThreadSafeWeakPtr.h>
#include <wtf/Vector.h>
namespace WebCore {
class ContentType;
class SourceBufferPrivate;
#if ENABLE(LEGACY_ENCRYPTED_MEDIA)
class LegacyCDMSession;
#endif
enum class MediaSourcePrivateAddStatus : uint8_t {
Ok,
NotSupported,
ReachedIdLimit
};
enum class MediaSourcePrivateEndOfStreamStatus : uint8_t {
NoError,
NetworkError,
DecodeError
};
class WEBCORE_EXPORT MediaSourcePrivate
: public ThreadSafeRefCountedAndCanMakeThreadSafeWeakPtr<MediaSourcePrivate> {
public:
typedef Vector<String> CodecsArray;
using AddStatus = MediaSourcePrivateAddStatus;
using EndOfStreamStatus = MediaSourcePrivateEndOfStreamStatus;
MediaSourcePrivate(MediaSourcePrivateClient&);
virtual ~MediaSourcePrivate();
RefPtr<MediaSourcePrivateClient> client() const;
virtual constexpr MediaPlatformType platformType() const = 0;
virtual AddStatus addSourceBuffer(const ContentType&, bool webMParserEnabled, RefPtr<SourceBufferPrivate>&) = 0;
virtual void removeSourceBuffer(SourceBufferPrivate&);
void sourceBufferPrivateDidChangeActiveState(SourceBufferPrivate&, bool active);
virtual void notifyActiveSourceBuffersChanged() = 0;
virtual void durationChanged(const MediaTime&); // Base class method must be called in overrides.
virtual void bufferedChanged(const PlatformTimeRanges&); // Base class method must be called in overrides.
virtual void markEndOfStream(EndOfStreamStatus) { m_isEnded = true; }
virtual void unmarkEndOfStream() { m_isEnded = false; }
bool isEnded() const { return m_isEnded; }
virtual MediaPlayer::ReadyState mediaPlayerReadyState() const = 0;
virtual void setMediaPlayerReadyState(MediaPlayer::ReadyState) = 0;
virtual MediaTime currentMediaTime() const = 0;
Ref<MediaTimePromise> waitForTarget(const SeekTarget&);
Ref<MediaPromise> seekToTime(const MediaTime&);
virtual void setTimeFudgeFactor(const MediaTime& fudgeFactor) { m_timeFudgeFactor = fudgeFactor; }
MediaTime timeFudgeFactor() const { return m_timeFudgeFactor; }
const MediaTime& duration() const;
const PlatformTimeRanges& buffered() const;
bool hasFutureTime(const MediaTime& currentTime) const;
bool hasAudio() const;
bool hasVideo() const;
#if ENABLE(LEGACY_ENCRYPTED_MEDIA)
void setCDMSession(LegacyCDMSession*);
#endif
protected:
Vector<RefPtr<SourceBufferPrivate>> m_sourceBuffers;
Vector<SourceBufferPrivate*> m_activeSourceBuffers;
bool m_isEnded { false };
private:
MediaTime m_duration { MediaTime::invalidTime() };
PlatformTimeRanges m_buffered;
MediaTime m_timeFudgeFactor;
ThreadSafeWeakPtr<MediaSourcePrivateClient> m_client;
};
String convertEnumerationToString(MediaSourcePrivate::AddStatus);
String convertEnumerationToString(MediaSourcePrivate::EndOfStreamStatus);
} // namespace WebCore
namespace WTF {
template<typename Type> struct LogArgument;
template <>
struct LogArgument<WebCore::MediaSourcePrivate::AddStatus> {
static String toString(const WebCore::MediaSourcePrivate::AddStatus status)
{
return convertEnumerationToString(status);
}
};
template <>
struct LogArgument<WebCore::MediaSourcePrivate::EndOfStreamStatus> {
static String toString(const WebCore::MediaSourcePrivate::EndOfStreamStatus status)
{
return convertEnumerationToString(status);
}
};
} // namespace WTF
#endif
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