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/*
* Copyright (C) 2012-2015 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
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef InbandTextTrackPrivateAVF_h
#define InbandTextTrackPrivateAVF_h
#if ENABLE(VIDEO) && (USE(AVFOUNDATION) || PLATFORM(IOS_FAMILY))
#include "InbandTextTrackPrivate.h"
#include "InbandTextTrackPrivateClient.h"
typedef const struct opaqueCMFormatDescription* CMFormatDescriptionRef;
namespace JSC {
class ArrayBuffer;
}
namespace WebCore {
class AVFInbandTrackParent {
public:
virtual ~AVFInbandTrackParent();
virtual void trackModeChanged() = 0;
};
class InbandTextTrackPrivateAVF : public InbandTextTrackPrivate {
public:
virtual ~InbandTextTrackPrivateAVF();
void setMode(InbandTextTrackPrivate::Mode) override;
int trackIndex() const override { return m_index; }
void setTextTrackIndex(int index) { m_index = index; }
virtual void disconnect();
bool hasBeenReported() const { return m_hasBeenReported; }
void setHasBeenReported(bool reported) { m_hasBeenReported = reported; }
virtual void processCue(CFArrayRef attributedStrings, CFArrayRef nativeSamples, const MediaTime&);
virtual void resetCueValues();
void beginSeeking();
void endSeeking() { m_seeking = false; }
bool seeking() const { return m_seeking; }
enum Category {
LegacyClosedCaption,
OutOfBand,
InBand
};
virtual Category textTrackCategory() const = 0;
MediaTime startTimeVariance() const override { return MediaTime(1, 4); }
virtual bool readNativeSampleBuffer(CFArrayRef nativeSamples, CFIndex, RefPtr<JSC::ArrayBuffer>&, MediaTime&, CMFormatDescriptionRef&);
protected:
InbandTextTrackPrivateAVF(AVFInbandTrackParent*, CueFormat);
void processCueAttributes(CFAttributedStringRef, GenericCueData&);
void processAttributedStrings(CFArrayRef, const MediaTime&);
void processNativeSamples(CFArrayRef, const MediaTime&);
void removeCompletedCues();
Vector<char> m_sampleInputBuffer;
private:
#if !RELEASE_LOG_DISABLED
const char* logClassName() const final { return "InbandTextTrackPrivateAVF"; }
#endif
MediaTime m_currentCueStartTime;
MediaTime m_currentCueEndTime;
Vector<RefPtr<GenericCueData>> m_cues;
AVFInbandTrackParent* m_owner;
enum PendingCueStatus {
None,
DeliveredDuringSeek,
Valid
};
PendingCueStatus m_pendingCueStatus;
int m_index;
bool m_hasBeenReported;
bool m_seeking;
bool m_haveReportedVTTHeader;
};
} // namespace WebCore
#endif // ENABLE(VIDEO) && (USE(AVFOUNDATION) || PLATFORM(IOS_FAMILY))
#endif // InbandTextTrackPrivateAVF_h