InbandTextTrackPrivateAVCF.cpp [plain text]
#include "config.h"
#if PLATFORM(WIN) && ENABLE(VIDEO) && HAVE(AVFOUNDATION_MEDIA_SELECTION_GROUP)
#include "InbandTextTrackPrivateAVCF.h"
#include "FloatConversion.h"
#include "InbandTextTrackPrivate.h"
#include "InbandTextTrackPrivateAVF.h"
#include "Logging.h"
#include "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));
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()));
return CFLocaleGetIdentifier(locale.get());
}
bool InbandTextTrackPrivateAVCF::isDefault() const
{
return false;
}
}
#endif