InbandTextTrackPrivateAVCF.cpp [plain text]
#include "config.h"
#if PLATFORM(WIN) && ENABLE(VIDEO) && HAVE(AVFOUNDATION_MEDIA_SELECTION_GROUP)
#include "InbandTextTrackPrivateAVCF.h"
#include "FloatConversion.h"
#include "ISOVTTCue.h"
#include "InbandTextTrackPrivate.h"
#include "InbandTextTrackPrivateAVF.h"
#include "Logging.h"
#include "MediaTimeAVFoundation.h"
#include <JavaScriptCore/ArrayBuffer.h>
#include <wtf/SoftLinking.h>
#include <AVFoundationCF/AVCFPlayerItemLegibleOutput.h>
#include <AVFoundationCF/AVFoundationCF.h>
#include <d3d9.h>
#include "AVFoundationCFSoftLinking.h"
namespace WebCore {
InbandTextTrackPrivateAVCF::InbandTextTrackPrivateAVCF(AVFInbandTrackParent* player, AVCFMediaSelectionOptionRef selection, InbandTextTrackPrivate::CueFormat format)
: InbandTextTrackPrivateAVF(player, format)
, m_mediaSelectionOption(selection)
{
}
void InbandTextTrackPrivateAVCF::disconnect()
{
m_mediaSelectionOption = 0;
InbandTextTrackPrivateAVF::disconnect();
}
InbandTextTrackPrivate::Kind InbandTextTrackPrivateAVCF::kind() const
{
if (!m_mediaSelectionOption)
return InbandTextTrackPrivate::None;
CFStringRef mediaType = AVCFMediaSelectionOptionGetMediaType(mediaSelectionOption());
if (CFStringCompare(mediaType, AVCFMediaTypeClosedCaption, kCFCompareCaseInsensitive) == kCFCompareEqualTo)
return InbandTextTrackPrivate::Captions;
if (CFStringCompare(mediaType, AVCFMediaTypeSubtitle, kCFCompareCaseInsensitive) == kCFCompareEqualTo) {
if (AVCFMediaSelectionOptionHasMediaCharacteristic(mediaSelectionOption(), AVCFMediaCharacteristicContainsOnlyForcedSubtitles))
return InbandTextTrackPrivate::Forced;
if (AVCFMediaSelectionOptionHasMediaCharacteristic(mediaSelectionOption(), AVCFMediaCharacteristicTranscribesSpokenDialogForAccessibility))
return InbandTextTrackPrivate::Captions;
if (AVCFMediaSelectionOptionHasMediaCharacteristic(mediaSelectionOption(), AVCFMediaCharacteristicDescribesMusicAndSoundForAccessibility))
return InbandTextTrackPrivate::Captions;
return InbandTextTrackPrivate::Subtitles;
}
return InbandTextTrackPrivate::Captions;
}
bool InbandTextTrackPrivateAVCF::isClosedCaptions() const
{
if (!m_mediaSelectionOption)
return false;
CFStringRef mediaType = AVCFMediaSelectionOptionGetMediaType(mediaSelectionOption());
return (CFStringCompare(mediaType, AVCFMediaTypeClosedCaption, kCFCompareCaseInsensitive) == kCFCompareEqualTo);
}
bool InbandTextTrackPrivateAVCF::isSDH() const
{
if (!m_mediaSelectionOption)
return false;
CFStringRef mediaType = AVCFMediaSelectionOptionGetMediaType(mediaSelectionOption());
if (CFStringCompare(mediaType, AVCFMediaTypeSubtitle, kCFCompareCaseInsensitive) != kCFCompareEqualTo)
return false;
if (AVCFMediaSelectionOptionHasMediaCharacteristic(mediaSelectionOption(), AVCFMediaCharacteristicTranscribesSpokenDialogForAccessibility)
&& AVCFMediaSelectionOptionHasMediaCharacteristic(mediaSelectionOption(), AVCFMediaCharacteristicDescribesMusicAndSoundForAccessibility))
return true;
return false;
}
bool InbandTextTrackPrivateAVCF::containsOnlyForcedSubtitles() const
{
if (!m_mediaSelectionOption)
return false;
return AVCFMediaSelectionOptionHasMediaCharacteristic(mediaSelectionOption(), AVCFMediaCharacteristicContainsOnlyForcedSubtitles);
}
bool InbandTextTrackPrivateAVCF::isMainProgramContent() const
{
if (!m_mediaSelectionOption)
return false;
return AVCFMediaSelectionOptionHasMediaCharacteristic(mediaSelectionOption(), AVCFMediaCharacteristicIsMainProgramContent);
}
bool InbandTextTrackPrivateAVCF::isEasyToRead() const
{
if (!m_mediaSelectionOption)
return false;
return AVCFMediaSelectionOptionHasMediaCharacteristic(mediaSelectionOption(), AVCFMediaCharacteristicEasyToRead);
}
AtomicString InbandTextTrackPrivateAVCF::label() const
{
if (!m_mediaSelectionOption)
return emptyAtom();
RetainPtr<CFStringRef> title;
RetainPtr<CFArrayRef> commonMetaData = adoptCF(AVCFMediaSelectionOptionCopyCommonMetadata(mediaSelectionOption()));
RetainPtr<CFArrayRef> titles = adoptCF(AVCFMetadataItemCopyItemsWithKeyAndKeySpace(commonMetaData.get(), AVCFMetadataCommonKeyTitle, AVCFMetadataKeySpaceCommon));
if (!titles)
return emptyAtom();
CFIndex titlesCount = CFArrayGetCount(titles.get());
if (!titlesCount)
return emptyAtom();
RetainPtr<CFArrayRef> preferredLanguages = adoptCF(CFLocaleCopyPreferredLanguages());
RetainPtr<CFArrayRef> titlesForPreferredLanguages = adoptCF(AVCFMediaSelectionCopyOptionsFromArrayFilteredAndSortedAccordingToPreferredLanguages(titles.get(), preferredLanguages.get()));
CFIndex preferredTitlesCount = CFArrayGetCount(titlesForPreferredLanguages.get());
if (preferredTitlesCount) {
AVCFMetadataItemRef titleMetadata = static_cast<AVCFMetadataItemRef>(CFArrayGetValueAtIndex(titlesForPreferredLanguages.get(), 0));
title = adoptCF(AVCFMetadataItemCopyStringValue(titleMetadata));
}
if (!title) {
AVCFMetadataItemRef titleMetadata = static_cast<AVCFMetadataItemRef>(CFArrayGetValueAtIndex(titles.get(), 0));
title = adoptCF(AVCFMetadataItemCopyStringValue(titleMetadata));
}
return title ? AtomicString(title.get()) : emptyAtom();
}
AtomicString InbandTextTrackPrivateAVCF::language() const
{
if (!m_mediaSelectionOption)
return emptyAtom();
RetainPtr<CFLocaleRef> locale = adoptCF(AVCFMediaSelectionOptionCopyLocale(mediaSelectionOption()));
if (!locale)
return emptyAtom();
return CFLocaleGetIdentifier(locale.get());
}
bool InbandTextTrackPrivateAVCF::isDefault() const
{
return false;
}
bool InbandTextTrackPrivateAVCF::readNativeSampleBuffer(CFArrayRef nativeSamples, CFIndex index, RefPtr<ArrayBuffer>& buffer, MediaTime& duration, CMFormatDescriptionRef& formatDescription)
{
#if HAVE(AVCFPLAYERITEM_CALLBACK_VERSION_2)
const AVCFPlayerItemLegibleOutputSample* sampleBuffer = reinterpret_cast<const AVCFPlayerItemLegibleOutputSample*>(CFArrayGetValueAtIndex(nativeSamples, index));
if (!sampleBuffer)
return false;
duration = toMediaTime(sampleBuffer->duration);
formatDescription = sampleBuffer->formatDescription;
size_t bufferLength = CFDataGetLength(sampleBuffer->buffer);
if (bufferLength < ISOBox::boxHeaderSize()) {
LOG(Media, "InbandTextTrackPrivateLegacyAVCF::readNativeSampleBuffer(%p) - ERROR: CFBuffer size length unexpectedly small (%zu)!!", this, bufferLength);
return false;
}
m_sampleInputBuffer.resize(m_sampleInputBuffer.size() + bufferLength);
CFDataGetBytes(sampleBuffer->buffer, CFRangeMake(0, bufferLength), reinterpret_cast<UInt8*>(m_sampleInputBuffer.data()) + m_sampleInputBuffer.size() - bufferLength);
buffer = ArrayBuffer::create(m_sampleInputBuffer.data(), m_sampleInputBuffer.size());
return true;
#else
return InbandTextTrackPrivateAVF::readNativeSampleBuffer(nativeSamples, index, buffer, duration, formatDescription);
#endif
}
}
#endif