Adding backport patches of Qt5 to show cover art

To show cover art in qtmultimedia, the backport
patches(listed below) are needed.

https://codereview.qt-project.org/179542
https://codereview.qt-project.org/165950
https://codereview.qt-project.org/165951

Change-Id: I638d824a3c8c4c632c4347538653830921c5e956
Signed-off-by: Tadao Tanikawa <tanikawa.tadao@jp.panasonic.com>

3 files changed, 185 insertions, 0 deletions

diff --git a/recipes-qt/qt5/qtmultimedia/0001-GStreamer-support-cover-art.patch b/recipes-qt/qt5/qtmultimedia/0001-GStreamer-support-cover-art.patch
new file mode 100644
index 000000000..8e6449052
--- /dev/null
+++ b/recipes-qt/qt5/qtmultimedia/0001-GStreamer-support-cover-art.patch
@@ -0,0 +1,54 @@
+From 9bdc7c84eea0ff66c937d5f62ffed249321c3c35 Mon Sep 17 00:00:00 2001
+From: Tasuku Suzuki <tasuku.suzuki@qt.io>
+Date: Sun, 24 Jul 2016 00:23:36 +0900
+Subject: [PATCH] GStreamer: support cover art
+
+Change-Id: I05987f578a40c23dc2eb6f3e6a7f76d11f704214
+Reviewed-by: Yoann Lopes <yoann.lopes@qt.io>
+---
+ src/gsttools/qgstutils.cpp                               | 16 ++++++++++++++++
+ .../gstreamer/mediaplayer/qgstreamermetadataprovider.cpp |  1 +
+ 2 files changed, 17 insertions(+)
+
+diff --git a/src/gsttools/qgstutils.cpp b/src/gsttools/qgstutils.cpp
+index 831ba96..a2b3507 100644
+--- a/src/gsttools/qgstutils.cpp
++++ b/src/gsttools/qgstutils.cpp
+@@ -141,6 +141,22 @@ static void addTagToMap(const GstTagList *list,
+                 }
+                 if (!map->contains("year") && year > 0)
+                     map->insert("year", year);
++            } else if (G_VALUE_TYPE(&val) == GST_TYPE_SAMPLE) {
++                GstSample *sample = (GstSample *)g_value_get_boxed(&val);
++                GstCaps* caps = gst_sample_get_caps(sample);
++                if (caps && !gst_caps_is_empty(caps)) {
++                    GstStructure *structure = gst_caps_get_structure(caps, 0);
++                    const gchar *name = gst_structure_get_name(structure);
++                    if (QByteArray(name).startsWith("image/")) {
++                        GstBuffer *buffer = gst_sample_get_buffer(sample);
++                        if (buffer) {
++                            GstMapInfo info;
++                            gst_buffer_map(buffer, &info, GST_MAP_READ);
++                            map->insert(QByteArray(tag), QImage::fromData(info.data, info.size, name));
++                            gst_buffer_unmap(buffer, &info);
++                        }
++                    }
++                }
+ #endif
+             } else if (G_VALUE_TYPE(&val) == GST_TYPE_FRACTION) {
+                 int nom = gst_value_get_fraction_numerator(&val);
+diff --git a/src/plugins/gstreamer/mediaplayer/qgstreamermetadataprovider.cpp b/src/plugins/gstreamer/mediaplayer/qgstreamermetadataprovider.cpp
+index 074f8ad..01103d6 100644
+--- a/src/plugins/gstreamer/mediaplayer/qgstreamermetadataprovider.cpp
++++ b/src/plugins/gstreamer/mediaplayer/qgstreamermetadataprovider.cpp
+@@ -93,6 +93,7 @@ static const QGstreamerMetaDataKeyLookup *qt_gstreamerMetaDataKeys()
+ 
+         //metadataKeys->insert(0, QMediaMetaData::CoverArtUrlSmall);
+         //metadataKeys->insert(0, QMediaMetaData::CoverArtUrlLarge);
++        metadataKeys->insert(GST_TAG_PREVIEW_IMAGE, QMediaMetaData::CoverArtImage);
+ 
+         // Image/Video
+         metadataKeys->insert("resolution", QMediaMetaData::Resolution);
+-- 
+2.7.4
+
diff --git a/recipes-qt/qt5/qtmultimedia/0001-GStreamer-support-date-time-type-in-metadata.patch b/recipes-qt/qt5/qtmultimedia/0001-GStreamer-support-date-time-type-in-metadata.patch
new file mode 100644
index 000000000..252838fc0
--- /dev/null
+++ b/recipes-qt/qt5/qtmultimedia/0001-GStreamer-support-date-time-type-in-metadata.patch
@@ -0,0 +1,51 @@
+From d0ac492e3023545adad8008a3ebcac2a297dc783 Mon Sep 17 00:00:00 2001
+From: Tasuku Suzuki <tasuku.suzuki@qt.io>
+Date: Sun, 24 Jul 2016 00:23:10 +0900
+Subject: [PATCH] GStreamer: support date time type in metadata
+
+Change-Id: Ica57abfc0a60b401be88662483d35699d4f76321
+Reviewed-by: Yoann Lopes <yoann.lopes@qt.io>
+---
+ src/gsttools/qgstutils.cpp | 19 +++++++++++++++++++
+ 1 file changed, 19 insertions(+)
+
+diff --git a/src/gsttools/qgstutils.cpp b/src/gsttools/qgstutils.cpp
+index b5299f1..831ba96 100644
+--- a/src/gsttools/qgstutils.cpp
++++ b/src/gsttools/qgstutils.cpp
+@@ -40,6 +40,7 @@
+ #include "qgstutils_p.h"
+ 
+ #include <QtCore/qdatetime.h>
++#include <QtCore/qtimezone.h>
+ #include <QtCore/qdir.h>
+ #include <QtCore/qbytearray.h>
+ #include <QtCore/qvariant.h>
+@@ -123,6 +124,24 @@ static void addTagToMap(const GstTagList *list,
+                     if (!map->contains("year"))
+                         map->insert("year", year);
+                 }
++#if GST_CHECK_VERSION(1,0,0)
++            } else if (G_VALUE_TYPE(&val) == GST_TYPE_DATE_TIME) {
++                const GstDateTime *dateTime = (const GstDateTime *)g_value_get_boxed(&val);
++                int year = gst_date_time_has_year(dateTime) ? gst_date_time_get_year(dateTime) : 0;
++                int month = gst_date_time_has_month(dateTime) ? gst_date_time_get_month(dateTime) : 0;
++                int day = gst_date_time_has_day(dateTime) ? gst_date_time_get_day(dateTime) : 0;
++                if (gst_date_time_has_time(dateTime)) {
++                    int hour = gst_date_time_get_hour(dateTime);
++                    int minute = gst_date_time_get_minute(dateTime);
++                    int second = gst_date_time_get_second(dateTime);
++                    float tz = gst_date_time_get_time_zone_offset(dateTime);
++                    map->insert(QByteArray(tag), QDateTime(QDate(year,month,day), QTime(hour, minute, second), QTimeZone(tz * 60 * 60)));
++                } else if (year > 0 && month > 0 && day > 0) {
++                    map->insert(QByteArray(tag), QDate(year,month,day));
++                }
++                if (!map->contains("year") && year > 0)
++                    map->insert("year", year);
++#endif
+             } else if (G_VALUE_TYPE(&val) == GST_TYPE_FRACTION) {
+                 int nom = gst_value_get_fraction_numerator(&val);
+                 int denom = gst_value_get_fraction_denominator(&val);
+-- 
+2.7.4
+
diff --git a/recipes-qt/qt5/qtmultimedia/0001-metadata-image-support-with-the-data-URL-scheme-for-.patch b/recipes-qt/qt5/qtmultimedia/0001-metadata-image-support-with-the-data-URL-scheme-for-.patch
new file mode 100644
index 000000000..007e46763
--- /dev/null
+++ b/recipes-qt/qt5/qtmultimedia/0001-metadata-image-support-with-the-data-URL-scheme-for-.patch
@@ -0,0 +1,80 @@
+From ed61f1d932c5c6d38458fcd2e1d5d154383f017e Mon Sep 17 00:00:00 2001
+From: Tasuku Suzuki <tasuku.suzuki@qt.io>
+Date: Mon, 12 Dec 2016 16:32:47 +0900
+Subject: [PATCH] metadata image support with the "data" URL scheme for QtQuick
+
+add posterImage, coverArtImage and thumbnailImage to metadata
+
+Change-Id: I10b9bae10c219ffa41506d6e6b345020790217a6
+---
+ .../multimedia/qdeclarativemediametadata_p.h       | 33 ++++++++++++++++++++++
+ 1 file changed, 33 insertions(+)
+
+diff --git a/src/imports/multimedia/qdeclarativemediametadata_p.h b/src/imports/multimedia/qdeclarativemediametadata_p.h
+index ede7f87..6a6a815 100644
+--- a/src/imports/multimedia/qdeclarativemediametadata_p.h
++++ b/src/imports/multimedia/qdeclarativemediametadata_p.h
+@@ -51,6 +51,9 @@
+ // We mean it.
+ //
+ 
++#include <QtCore/QBuffer>
++#include <QtGui/QImage>
++#include <QtGui/QImageWriter>
+ #include <QtQml/qqml.h>
+ #include <QtMultimedia/qmediametadata.h>
+ #include <QtMultimedia/qmediaservice.h>
+@@ -153,6 +156,9 @@ class QDeclarativeMediaMetaData : public QObject
+     Q_PROPERTY(QVariant gpsProcessingMethod READ gpsProcessingMethod WRITE setGPSProcessingMethod NOTIFY metaDataChanged)
+     Q_PROPERTY(QVariant gpsAreaInformation READ gpsAreaInformation WRITE setGPSAreaInformation NOTIFY metaDataChanged)
+ 
++    Q_PROPERTY(QVariant posterImage READ posterImage NOTIFY metaDataChanged)
++    Q_PROPERTY(QVariant coverArtImage READ coverArtImage NOTIFY metaDataChanged)
++    Q_PROPERTY(QVariant thumbnailImage READ thumbnailImage NOTIFY metaDataChanged)
+ public:
+     QDeclarativeMediaMetaData(QMediaObject *player, QObject *parent = 0)
+         : QObject(parent)
+@@ -425,6 +431,16 @@ QT_WARNING_POP
+     void setGPSAreaInformation(const QVariant &information) {
+         setMetaData(QMediaMetaData::GPSAreaInformation, information); }
+ 
++    QVariant posterImage() const {
++        return convertImageToUrl(m_mediaObject->metaData(QMediaMetaData::PosterImage));
++    }
++    QVariant coverArtImage() const {
++        return convertImageToUrl(m_mediaObject->metaData(QMediaMetaData::CoverArtImage));
++    }
++    QVariant thumbnailImage() const {
++        return convertImageToUrl(m_mediaObject->metaData(QMediaMetaData::ThumbnailImage));
++    }
++
+ Q_SIGNALS:
+     void metaDataChanged();
+ 
+@@ -440,6 +456,23 @@ private:
+             m_writerControl->setMetaData(key, value);
+     }
+ 
++    QUrl convertImageToUrl(const QVariant &variant) const
++    {
++        if (variant.type() != QVariant::Image)
++            return QUrl();
++
++        QImage image = variant.value<QImage>();
++        QByteArray data;
++        QBuffer buffer(&data);
++        buffer.open(QBuffer::WriteOnly);
++        QImageWriter png(&buffer, "png");
++        if (!png.write(image)) {
++            return QUrl();
++        }
++        buffer.close();
++        return QUrl(QStringLiteral("data:image/png;base64,") + data.toBase64());
++    }
++
+     QMediaObject *m_mediaObject;
+     QMetaDataWriterControl *m_writerControl;
+     bool m_requestedWriterControl;
+-- 
+2.7.4
+