| /* |
| * Copyright (C) 2014 Cable Television Labs Inc. All rights reserved. |
| * Copyright (C) 2014 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 COMPUTER, 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 COMPUTER, 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. |
| */ |
| |
| #include "config.h" |
| |
| #if ENABLE(VIDEO_TRACK) |
| #include "InbandDataTextTrack.h" |
| |
| #include "DataCue.h" |
| #include "ExceptionCodePlaceholder.h" |
| #include "HTMLMediaElement.h" |
| #include "InbandTextTrackPrivate.h" |
| #include "Logging.h" |
| #include <runtime/ArrayBuffer.h> |
| |
| namespace WebCore { |
| |
| Ref<InbandDataTextTrack> InbandDataTextTrack::create(ScriptExecutionContext* context, TextTrackClient* client, PassRefPtr<InbandTextTrackPrivate> playerPrivate) |
| { |
| return adoptRef(*new InbandDataTextTrack(context, client, playerPrivate)); |
| } |
| |
| InbandDataTextTrack::InbandDataTextTrack(ScriptExecutionContext* context, TextTrackClient* client, PassRefPtr<InbandTextTrackPrivate> trackPrivate) |
| : InbandTextTrack(context, client, trackPrivate) |
| { |
| } |
| |
| InbandDataTextTrack::~InbandDataTextTrack() |
| { |
| } |
| |
| void InbandDataTextTrack::addDataCue(InbandTextTrackPrivate*, const MediaTime& start, const MediaTime& end, const void* data, unsigned length) |
| { |
| auto cue = DataCue::create(*scriptExecutionContext(), start, end, data, length); |
| addCue(WTFMove(cue), ASSERT_NO_EXCEPTION); |
| } |
| |
| #if ENABLE(DATACUE_VALUE) |
| void InbandDataTextTrack::addDataCue(InbandTextTrackPrivate*, const MediaTime& start, const MediaTime& end, PassRefPtr<SerializedPlatformRepresentation> prpPlatformValue, const String& type) |
| { |
| RefPtr<SerializedPlatformRepresentation> platformValue = prpPlatformValue; |
| if (m_incompleteCueMap.find(platformValue.get()) != m_incompleteCueMap.end()) |
| return; |
| |
| auto cue = DataCue::create(*scriptExecutionContext(), start, end, platformValue.copyRef(), type); |
| if (hasCue(cue.ptr(), TextTrackCue::IgnoreDuration)) { |
| LOG(Media, "InbandDataTextTrack::addDataCue ignoring already added cue: start=%s, end=%s\n", toString(cue->startTime()).utf8().data(), toString(cue->endTime()).utf8().data()); |
| return; |
| } |
| |
| if (end.isPositiveInfinite() && mediaElement()) { |
| cue->setEndTime(mediaElement()->durationMediaTime()); |
| m_incompleteCueMap.add(WTFMove(platformValue), cue.copyRef()); |
| } |
| |
| addCue(WTFMove(cue), ASSERT_NO_EXCEPTION); |
| } |
| |
| void InbandDataTextTrack::updateDataCue(InbandTextTrackPrivate*, const MediaTime& start, const MediaTime& inEnd, PassRefPtr<SerializedPlatformRepresentation> prpPlatformValue) |
| { |
| MediaTime end = inEnd; |
| |
| RefPtr<SerializedPlatformRepresentation> platformValue = prpPlatformValue; |
| auto iter = m_incompleteCueMap.find(platformValue.get()); |
| if (iter == m_incompleteCueMap.end()) |
| return; |
| |
| RefPtr<DataCue> cue = iter->value; |
| if (!cue) |
| return; |
| |
| cue->willChange(); |
| |
| if (end.isPositiveInfinite() && mediaElement()) |
| end = mediaElement()->durationMediaTime(); |
| else |
| m_incompleteCueMap.remove(platformValue.get()); |
| |
| LOG(Media, "InbandDataTextTrack::updateDataCue: was start=%s, end=%s, will be start=%s, end=%s\n", toString(cue->startTime()).utf8().data(), toString(cue->endTime()).utf8().data(), toString(start).utf8().data(), toString(end).utf8().data()); |
| |
| cue->setStartTime(start); |
| cue->setEndTime(end); |
| |
| cue->didChange(); |
| } |
| |
| void InbandDataTextTrack::removeDataCue(InbandTextTrackPrivate*, const MediaTime&, const MediaTime&, PassRefPtr<SerializedPlatformRepresentation> prpPlatformValue) |
| { |
| RefPtr<SerializedPlatformRepresentation> platformValue = prpPlatformValue; |
| auto iter = m_incompleteCueMap.find(platformValue.get()); |
| if (iter == m_incompleteCueMap.end()) |
| return; |
| |
| RefPtr<DataCue> cue = iter->value; |
| if (cue) { |
| LOG(Media, "InbandDataTextTrack::removeDataCue removing cue: start=%s, end=%s\n", toString(cue->startTime()).utf8().data(), toString(cue->endTime()).utf8().data()); |
| removeCue(cue.get(), IGNORE_EXCEPTION); |
| } |
| } |
| |
| void InbandDataTextTrack::removeCue(TextTrackCue* cue, ExceptionCode& ec) |
| { |
| ASSERT(cue->cueType() == TextTrackCue::Data); |
| |
| SerializedPlatformRepresentation* platformValue = const_cast<SerializedPlatformRepresentation*>(toDataCue(cue)->platformValue()); |
| auto iter = m_incompleteCueMap.find(platformValue); |
| if (iter != m_incompleteCueMap.end()) |
| m_incompleteCueMap.remove(platformValue); |
| |
| InbandTextTrack::removeCue(cue, ec); |
| } |
| |
| #endif |
| |
| } // namespace WebCore |
| |
| #endif |