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/*
* Copyright (C) 2014 Cable Television Labs Inc. All rights reserved.
* Copyright (C) 2014-2017 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"
#include "InbandDataTextTrack.h"
#if ENABLE(VIDEO_TRACK)
#include "DataCue.h"
#include "HTMLMediaElement.h"
#include "InbandTextTrackPrivate.h"
#include "Logging.h"
namespace WebCore {
inline InbandDataTextTrack::InbandDataTextTrack(ScriptExecutionContext& context, TextTrackClient& client, InbandTextTrackPrivate& trackPrivate)
: InbandTextTrack(context, client, trackPrivate)
{
}
Ref<InbandDataTextTrack> InbandDataTextTrack::create(ScriptExecutionContext& context, TextTrackClient& client, InbandTextTrackPrivate& trackPrivate)
{
return adoptRef(*new InbandDataTextTrack(context, client, trackPrivate));
}
InbandDataTextTrack::~InbandDataTextTrack()
{
}
void InbandDataTextTrack::addDataCue(const MediaTime& start, const MediaTime& end, const void* data, unsigned length)
{
addCue(DataCue::create(*scriptExecutionContext(), start, end, data, length));
}
#if ENABLE(DATACUE_VALUE)
void InbandDataTextTrack::addDataCue(const MediaTime& start, const MediaTime& end, Ref<SerializedPlatformRepresentation>&& platformValue, const String& type)
{
if (m_incompleteCueMap.contains(platformValue.ptr()))
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));
}
void InbandDataTextTrack::updateDataCue(const MediaTime& start, const MediaTime& inEnd, SerializedPlatformRepresentation& platformValue)
{
RefPtr<DataCue> cue = m_incompleteCueMap.get(&platformValue);
if (!cue)
return;
cue->willChange();
MediaTime end = inEnd;
if (end.isPositiveInfinite() && mediaElement())
end = mediaElement()->durationMediaTime();
else
m_incompleteCueMap.remove(&platformValue);
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(const MediaTime&, const MediaTime&, SerializedPlatformRepresentation& platformValue)
{
if (auto cue = m_incompleteCueMap.take(&platformValue)) {
LOG(Media, "InbandDataTextTrack::removeDataCue removing cue: start=%s, end=%s\n", toString(cue->startTime()).utf8().data(), toString(cue->endTime()).utf8().data());
InbandTextTrack::removeCue(*cue);
}
}
ExceptionOr<void> InbandDataTextTrack::removeCue(TextTrackCue& cue)
{
ASSERT(cue.cueType() == TextTrackCue::Data);
m_incompleteCueMap.remove(const_cast<SerializedPlatformRepresentation*>(toDataCue(&cue)->platformValue()));
return InbandTextTrack::removeCue(cue);
}
#endif
} // namespace WebCore
#endif
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