| /* |
| * 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); |
| |
| Ref<InbandGenericCue> processCueAttributes(CFAttributedStringRef); |
| void processAttributedStrings(CFArrayRef, const MediaTime&); |
| void processNativeSamples(CFArrayRef, const MediaTime&); |
| void removeCompletedCues(); |
| |
| Vector<uint8_t> m_sampleInputBuffer; |
| |
| private: |
| #if !RELEASE_LOG_DISABLED |
| const char* logClassName() const final { return "InbandTextTrackPrivateAVF"; } |
| #endif |
| |
| MediaTime m_currentCueStartTime; |
| MediaTime m_currentCueEndTime; |
| |
| Vector<Ref<InbandGenericCue>> 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 |