From 81a48edb548a9ad86414b3a115d718c932c11058 Mon Sep 17 00:00:00 2001 From: Yoann Lopes Date: Wed, 17 Aug 2016 13:55:10 +0200 Subject: AVFoundation: fix metadata control Correctly emit metaDataAvailableChanged and metaDataChanged signals. Task-number: QTBUG-46368 Change-Id: Ic79acd519b47f4d864fa335c8f75758fe9185c39 Reviewed-by: Christian Stromme --- .../mediaplayer/avfmediaplayermetadatacontrol.h | 2 +- .../mediaplayer/avfmediaplayermetadatacontrol.mm | 110 +++++++++++---------- 2 files changed, 59 insertions(+), 53 deletions(-) (limited to 'src/plugins/avfoundation') diff --git a/src/plugins/avfoundation/mediaplayer/avfmediaplayermetadatacontrol.h b/src/plugins/avfoundation/mediaplayer/avfmediaplayermetadatacontrol.h index d40e70c2a..e28fc2936 100644 --- a/src/plugins/avfoundation/mediaplayer/avfmediaplayermetadatacontrol.h +++ b/src/plugins/avfoundation/mediaplayer/avfmediaplayermetadatacontrol.h @@ -58,7 +58,7 @@ private Q_SLOTS: private: AVFMediaPlayerSession *m_session; - QMap m_tags; + QVariantMap m_tags; void *m_asset; }; diff --git a/src/plugins/avfoundation/mediaplayer/avfmediaplayermetadatacontrol.mm b/src/plugins/avfoundation/mediaplayer/avfmediaplayermetadatacontrol.mm index 336f8637c..b84ff5952 100644 --- a/src/plugins/avfoundation/mediaplayer/avfmediaplayermetadatacontrol.mm +++ b/src/plugins/avfoundation/mediaplayer/avfmediaplayermetadatacontrol.mm @@ -75,6 +75,41 @@ QStringList AVFMediaPlayerMetaDataControl::availableMetaData() const return m_tags.keys(); } +static QString itemKey(AVMetadataItem *item) +{ + NSString *keyString = [item commonKey]; + + if (keyString.length != 0) { + if ([keyString isEqualToString:AVMetadataCommonKeyTitle]) { + return QMediaMetaData::Title; + } else if ([keyString isEqualToString: AVMetadataCommonKeySubject]) { + return QMediaMetaData::SubTitle; + } else if ([keyString isEqualToString: AVMetadataCommonKeyDescription]) { + return QMediaMetaData::Description; + } else if ([keyString isEqualToString: AVMetadataCommonKeyPublisher]) { + return QMediaMetaData::Publisher; + } else if ([keyString isEqualToString: AVMetadataCommonKeyCreationDate]) { + return QMediaMetaData::Date; + } else if ([keyString isEqualToString: AVMetadataCommonKeyType]) { + return QMediaMetaData::MediaType; + } else if ([keyString isEqualToString: AVMetadataCommonKeyLanguage]) { + return QMediaMetaData::Language; + } else if ([keyString isEqualToString: AVMetadataCommonKeyCopyrights]) { + return QMediaMetaData::Copyright; + } else if ([keyString isEqualToString: AVMetadataCommonKeyAlbumName]) { + return QMediaMetaData::AlbumTitle; + } else if ([keyString isEqualToString: AVMetadataCommonKeyAuthor]) { + return QMediaMetaData::Author; + } else if ([keyString isEqualToString: AVMetadataCommonKeyArtist]) { + return QMediaMetaData::ContributingArtist; + } else if ([keyString isEqualToString: AVMetadataCommonKeyArtwork]) { + return QMediaMetaData::PosterUrl; + } + } + + return QString(); +} + void AVFMediaPlayerMetaDataControl::updateTags() { #ifdef QT_DEBUG_AVF @@ -83,67 +118,38 @@ void AVFMediaPlayerMetaDataControl::updateTags() AVAsset *currentAsset = (AVAsset*)m_session->currentAssetHandle(); //Don't read the tags from the same asset more than once - if (currentAsset == m_asset) { + if (currentAsset == m_asset) return; - } m_asset = currentAsset; + QVariantMap oldTags = m_tags; //Since we've changed assets, clear old tags m_tags.clear(); - - NSArray *metadataFormats = [currentAsset availableMetadataFormats]; - for ( NSString *format in metadataFormats) { -#ifdef QT_DEBUG_AVF - qDebug() << "format: " << [format UTF8String]; -#endif - NSArray *metadataItems = [currentAsset metadataForFormat:format]; - for (AVMetadataItem* item in metadataItems) { - NSString *keyString = [item commonKey]; - NSString *value = [item stringValue]; - - if (keyString.length != 0) { - //Process "commonMetadata" tags here: - if ([keyString isEqualToString:AVMetadataCommonKeyTitle]) { - m_tags.insert(QMediaMetaData::Title, QString([value UTF8String])); - } else if ([keyString isEqualToString: AVMetadataCommonKeyCreator]) { - m_tags.insert(QMediaMetaData::Author, QString([value UTF8String])); - } else if ([keyString isEqualToString: AVMetadataCommonKeySubject]) { - m_tags.insert(QMediaMetaData::SubTitle, QString([value UTF8String])); - } else if ([keyString isEqualToString: AVMetadataCommonKeyDescription]) { - m_tags.insert(QMediaMetaData::Description, QString([value UTF8String])); - } else if ([keyString isEqualToString: AVMetadataCommonKeyPublisher]) { - m_tags.insert(QMediaMetaData::Publisher, QString([value UTF8String])); - } else if ([keyString isEqualToString: AVMetadataCommonKeyContributor]) { - m_tags.insert(QMediaMetaData::ContributingArtist, QString([value UTF8String])); - } else if ([keyString isEqualToString: AVMetadataCommonKeyCreationDate]) { - m_tags.insert(QMediaMetaData::Date, QString([value UTF8String])); - } else if ([keyString isEqualToString: AVMetadataCommonKeyType]) { - m_tags.insert(QMediaMetaData::MediaType, QString([value UTF8String])); - } else if ([keyString isEqualToString: AVMetadataCommonKeyLanguage]) { - m_tags.insert(QMediaMetaData::Language, QString([value UTF8String])); - } else if ([keyString isEqualToString: AVMetadataCommonKeyCopyrights]) { - m_tags.insert(QMediaMetaData::Copyright, QString([value UTF8String])); - } else if ([keyString isEqualToString: AVMetadataCommonKeyAlbumName]) { - m_tags.insert(QMediaMetaData::AlbumTitle, QString([value UTF8String])); - } else if ([keyString isEqualToString: AVMetadataCommonKeyAuthor]) { - m_tags.insert(QMediaMetaData::Author, QString([value UTF8String])); - } else if ([keyString isEqualToString: AVMetadataCommonKeyArtist]) { - m_tags.insert(QMediaMetaData::AlbumArtist, QString([value UTF8String])); - } else if ([keyString isEqualToString: AVMetadataCommonKeyArtwork]) { - m_tags.insert(QMediaMetaData::PosterUrl, QString([value UTF8String])); + bool changed = false; + + // TODO: also process ID3, iTunes and QuickTime metadata + + NSArray *metadataItems = [currentAsset commonMetadata]; + for (AVMetadataItem* item in metadataItems) { + const QString key = itemKey(item); + if (!key.isEmpty()) { + const QString value = QString::fromNSString([item stringValue]); + if (!value.isNull()) { + m_tags.insert(key, value); + if (value != oldTags.value(key)) { + changed = true; + Q_EMIT metaDataChanged(key, value); } } - - if ([format isEqualToString:AVMetadataFormatID3Metadata]) { - //TODO: Process ID3 metadata - } else if ([format isEqualToString:AVMetadataFormatiTunesMetadata]) { - //TODO: Process iTunes metadata - } else if ([format isEqualToString:AVMetadataFormatQuickTimeUserData]) { - //TODO: Process QuickTime metadata - } } } - Q_EMIT metaDataChanged(); + if (oldTags.isEmpty() != m_tags.isEmpty()) { + Q_EMIT metaDataAvailableChanged(!m_tags.isEmpty()); + changed = true; + } + + if (changed) + Q_EMIT metaDataChanged(); } -- cgit v1.2.3