InbandMetadataTextTrackPrivateAVF.cpp [plain text]
#include "config.h"
#if ENABLE(VIDEO) && ENABLE(DATACUE_VALUE) && (USE(AVFOUNDATION) || PLATFORM(IOS))
#include "InbandMetadataTextTrackPrivateAVF.h"
#include "InbandTextTrackPrivateClient.h"
#include "Logging.h"
#include <CoreMedia/CoreMedia.h>
#include <wtf/text/CString.h>
#include <wtf/text/WTFString.h>
#include <wtf/unicode/CharacterNames.h>
namespace WebCore {
PassRefPtr<InbandMetadataTextTrackPrivateAVF> InbandMetadataTextTrackPrivateAVF::create(InbandTextTrackPrivate::Kind kind, InbandTextTrackPrivate::CueFormat cueFormat, const AtomicString& id)
{
return adoptRef(new InbandMetadataTextTrackPrivateAVF(kind, cueFormat, id));
}
InbandMetadataTextTrackPrivateAVF::InbandMetadataTextTrackPrivateAVF(InbandTextTrackPrivate::Kind kind, InbandTextTrackPrivate::CueFormat cueFormat, const AtomicString& id)
: InbandTextTrackPrivate(cueFormat)
, m_kind(kind)
, m_id(id)
{
}
InbandMetadataTextTrackPrivateAVF::~InbandMetadataTextTrackPrivateAVF()
{
}
#if ENABLE(DATACUE_VALUE)
void InbandMetadataTextTrackPrivateAVF::addDataCue(const MediaTime& start, const MediaTime& end, PassRefPtr<SerializedPlatformRepresentation> prpCueData, const String& type)
{
ASSERT(cueFormat() == Data);
ASSERT(start >= MediaTime::zeroTime());
if (!client())
return;
RefPtr<SerializedPlatformRepresentation> cueData = prpCueData;
m_currentCueStartTime = start;
if (end.isPositiveInfinite())
m_incompleteCues.append(IncompleteMetaDataCue { cueData.get(), start });
client()->addDataCue(this, start, end, cueData, type);
}
void InbandMetadataTextTrackPrivateAVF::updatePendingCueEndTimes(const MediaTime& time)
{
ASSERT(time >= MediaTime::zeroTime());
if (time >= m_currentCueStartTime) {
if (client()) {
for (auto& partialCue : m_incompleteCues) {
LOG(Media, "InbandMetadataTextTrackPrivateAVF::updatePendingCueEndTimes(%p) - updating cue: start=%s, end=%s", this, toString(partialCue.startTime).utf8().data(), toString(time).utf8().data());
client()->updateDataCue(this, partialCue.startTime, time, partialCue.cueData);
}
}
} else
LOG(Media, "InbandMetadataTextTrackPrivateAVF::updatePendingCueEndTimes negative length cue(s) ignored: start=%s, end=%s\n", toString(m_currentCueStartTime).utf8().data(), toString(time).utf8().data());
m_incompleteCues.resize(0);
m_currentCueStartTime = MediaTime::zeroTime();
}
#endif
void InbandMetadataTextTrackPrivateAVF::flushPartialCues()
{
if (m_currentCueStartTime && m_incompleteCues.size())
LOG(Media, "InbandMetadataTextTrackPrivateAVF::resetCueValues flushing incomplete data for cues: start=%s\n", toString(m_currentCueStartTime).utf8().data());
if (client()) {
for (auto& partialCue : m_incompleteCues)
client()->removeDataCue(this, partialCue.startTime, MediaTime::positiveInfiniteTime(), partialCue.cueData);
}
m_incompleteCues.resize(0);
m_currentCueStartTime = MediaTime::zeroTime();
}
}
#endif // ENABLE(VIDEO) && (USE(AVFOUNDATION) || PLATFORM(IOS))