InbandMetadataTextTrackPrivateAVF.cpp [plain text]
#include "config.h"
#include "InbandMetadataTextTrackPrivateAVF.h"
#if ENABLE(VIDEO) && ENABLE(DATACUE_VALUE) && (USE(AVFOUNDATION) || PLATFORM(IOS_FAMILY))
#include "InbandTextTrackPrivateClient.h"
#include "Logging.h"
#include "MediaPlayer.h"
#include <CoreMedia/CoreMedia.h>
#include <wtf/text/CString.h>
#include <wtf/text/WTFString.h>
#include <wtf/unicode/CharacterNames.h>
namespace WebCore {
Ref<InbandMetadataTextTrackPrivateAVF> InbandMetadataTextTrackPrivateAVF::create(InbandTextTrackPrivate::Kind kind, InbandTextTrackPrivate::CueFormat cueFormat, const AtomString& id)
{
return adoptRef(*new InbandMetadataTextTrackPrivateAVF(kind, cueFormat, id));
}
InbandMetadataTextTrackPrivateAVF::InbandMetadataTextTrackPrivateAVF(InbandTextTrackPrivate::Kind kind, InbandTextTrackPrivate::CueFormat cueFormat, const AtomString& id)
: InbandTextTrackPrivate(cueFormat)
, m_kind(kind)
, m_id(id)
{
}
InbandMetadataTextTrackPrivateAVF::~InbandMetadataTextTrackPrivateAVF() = default;
#if ENABLE(DATACUE_VALUE)
void InbandMetadataTextTrackPrivateAVF::addDataCue(const MediaTime& start, const MediaTime& end, Ref<SerializedPlatformDataCue>&& cueData, const String& type)
{
ASSERT(cueFormat() == CueFormat::Data);
ASSERT(start >= MediaTime::zeroTime());
if (!client())
return;
m_currentCueStartTime = start;
if (end.isPositiveInfinite())
m_incompleteCues.append(IncompleteMetaDataCue { cueData.ptr(), start });
client()->addDataCue(start, end, WTFMove(cueData), type);
}
void InbandMetadataTextTrackPrivateAVF::updatePendingCueEndTimes(const MediaTime& time)
{
ASSERT(time >= MediaTime::zeroTime());
if (time >= m_currentCueStartTime) {
if (client()) {
for (auto& partialCue : m_incompleteCues) {
INFO_LOG(LOGIDENTIFIER, "updating cue: start = ", partialCue.startTime, ", end = ", time);
client()->updateDataCue(partialCue.startTime, time, *partialCue.cueData);
}
}
} else
WARNING_LOG(LOGIDENTIFIER, "negative length cue(s) ignored: start = ", m_currentCueStartTime, ", end = ", time);
m_incompleteCues.shrink(0);
m_currentCueStartTime = MediaTime::zeroTime();
}
#endif
void InbandMetadataTextTrackPrivateAVF::flushPartialCues()
{
if (m_currentCueStartTime && m_incompleteCues.size())
INFO_LOG(LOGIDENTIFIER, "flushing incomplete data for cues: start = ", m_currentCueStartTime);
if (client()) {
for (auto& partialCue : m_incompleteCues)
client()->removeDataCue(partialCue.startTime, MediaTime::positiveInfiniteTime(), *partialCue.cueData);
}
m_incompleteCues.shrink(0);
m_currentCueStartTime = MediaTime::zeroTime();
}
}
#endif // ENABLE(VIDEO) && (USE(AVFOUNDATION) || PLATFORM(IOS_FAMILY))