9 files changed, 188 insertions, 22 deletions

diff --git a/demos/multimedia/player/player.cpp b/demos/multimedia/player/player.cpp
index 49d18cb..af30a97 100644
--- a/demos/multimedia/player/player.cpp
+++ b/demos/multimedia/player/player.cpp
@@ -81,6 +81,22 @@ Player::Player(QWidget *parent)
 
     connect(playlistView, SIGNAL(activated(QModelIndex)), this, SLOT(jump(QModelIndex)));
 
+    playbackModeBox = new QComboBox;
+    playbackModeBox->addItem(tr("Linear"),
+                             QVariant::fromValue<QMediaPlaylist::PlaybackMode>(QMediaPlaylist::Linear));
+    playbackModeBox->addItem(tr("Loop"),
+                             QVariant::fromValue<QMediaPlaylist::PlaybackMode>(QMediaPlaylist::Loop));
+    playbackModeBox->addItem(tr("Random"),
+                             QVariant::fromValue<QMediaPlaylist::PlaybackMode>(QMediaPlaylist::Random));
+    playbackModeBox->addItem(tr("Current Item Once"),
+                             QVariant::fromValue<QMediaPlaylist::PlaybackMode>(QMediaPlaylist::CurrentItemOnce));
+    playbackModeBox->addItem(tr("Current Item In Loop"),
+                             QVariant::fromValue<QMediaPlaylist::PlaybackMode>(QMediaPlaylist::CurrentItemInLoop));
+    playbackModeBox->setCurrentIndex(0);
+
+    connect(playbackModeBox, SIGNAL(activated(int)), SLOT(updatePlaybackMode()));
+    updatePlaybackMode();
+
     slider = new QSlider(Qt::Horizontal);
     slider->setRange(0, player->duration() / 1000);
 
@@ -126,12 +142,16 @@ Player::Player(QWidget *parent)
     else
         colorButton->setEnabled(false);
 
+    QBoxLayout *playlistLayout = new QVBoxLayout;
+    playlistLayout->addWidget(playlistView);
+    playlistLayout->addWidget(playbackModeBox);
+
     QBoxLayout *displayLayout = new QHBoxLayout;
     if (videoWidget)
         displayLayout->addWidget(videoWidget, 2);
     else
         displayLayout->addWidget(coverLabel, 2);
-    displayLayout->addWidget(playlistView);
+    displayLayout->addLayout(playlistLayout);
 
     QBoxLayout *controlLayout = new QHBoxLayout;
     controlLayout->setMargin(0);
@@ -333,3 +353,9 @@ void Player::showColorDialog()
     }
     colorDialog->show();
 }
+
+void Player::updatePlaybackMode()
+{
+    playlist->setPlaybackMode(
+            playbackModeBox->itemData(playbackModeBox->currentIndex()).value<QMediaPlaylist::PlaybackMode>());
+}
diff --git a/demos/multimedia/player/player.h b/demos/multimedia/player/player.h
index 1de8b1a..cda3eb9 100644
--- a/demos/multimedia/player/player.h
+++ b/demos/multimedia/player/player.h
@@ -57,6 +57,7 @@ class QAbstractItemView;
 class QLabel;
 class QModelIndex;
 class QSlider;
+class QComboBox;
 class QMediaPlayer;
 class QVideoWidget;
 class PlaylistModel;
@@ -87,6 +88,7 @@ private slots:
     void bufferingProgress(int progress);
 
     void showColorDialog();
+    void updatePlaybackMode();
 
 private:
     void setTrackInfo(const QString &info);
@@ -97,6 +99,7 @@ private:
     QVideoWidget *videoWidget;
     QLabel *coverLabel;
     QSlider *slider;
+    QComboBox *playbackModeBox;
     PlaylistModel *playlistModel;
     QAbstractItemView *playlistView;
     QDialog *colorDialog;
diff --git a/src/multimedia/base/qmediaserviceprovider.cpp b/src/multimedia/base/qmediaserviceprovider.cpp
index d51d682..6e11079 100644
--- a/src/multimedia/base/qmediaserviceprovider.cpp
+++ b/src/multimedia/base/qmediaserviceprovider.cpp
@@ -102,6 +102,9 @@ public:
 
     \value RecordingSupport
             The service provides audio or video recording functions.
+
+    \value StreamPlayback
+            The service is capable of playing QIODevice based streams.
 */
 
 /*!
@@ -396,14 +399,25 @@ public:
             QMediaServiceSupportedFormatsInterface *iface =
                     qobject_cast<QMediaServiceSupportedFormatsInterface*>(obj);
 
-            //if low latency playback was asked, skip services known
-            //not to provide low latency playback
-            if (flags & QMediaPlayer::LowLatency) {
+
+            if (flags) {
                 QMediaServiceFeaturesInterface *iface =
                         qobject_cast<QMediaServiceFeaturesInterface*>(obj);
 
-                if (iface && !(iface->supportedFeatures(serviceType) & QMediaServiceProviderHint::LowLatencyPlayback))
-                    continue;
+                if (iface) {
+                    QMediaServiceProviderHint::Features features = iface->supportedFeatures(serviceType);
+
+                    //if low latency playback was asked, skip services known
+                    //not to provide low latency playback
+                    if ((flags & QMediaPlayer::LowLatency) &&
+                        !(features & QMediaServiceProviderHint::LowLatencyPlayback))
+                            continue;
+
+                    //the same for QIODevice based streams support
+                    if ((flags & QMediaPlayer::StreamPlayback) &&
+                        !(features & QMediaServiceProviderHint::StreamPlayback))
+                            continue;
+                }
             }
 
             if (iface)
@@ -434,14 +448,25 @@ public:
             QMediaServiceSupportedFormatsInterface *iface =
                     qobject_cast<QMediaServiceSupportedFormatsInterface*>(obj);
 
-            // If low latency playback was asked for, skip MIME types from services known
-            // not to provide low latency playback
+
             if (flags & QMediaPlayer::LowLatency) {
                 QMediaServiceFeaturesInterface *iface =
                         qobject_cast<QMediaServiceFeaturesInterface*>(obj);
 
-                if (iface && !(iface->supportedFeatures(serviceType) & QMediaServiceProviderHint::LowLatencyPlayback))
-                    continue;
+                if (iface) {
+                    QMediaServiceProviderHint::Features features = iface->supportedFeatures(serviceType);
+
+                    // If low latency playback was asked for, skip MIME types from services known
+                    // not to provide low latency playback
+                    if ((flags & QMediaPlayer::LowLatency) &&
+                        !(features & QMediaServiceProviderHint::LowLatencyPlayback))
+                        continue;
+
+                    //the same for QIODevice based streams support
+                    if ((flags & QMediaPlayer::StreamPlayback) &&
+                        !(features & QMediaServiceProviderHint::StreamPlayback))
+                            continue;
+                }
             }
 
             if (iface) {
diff --git a/src/multimedia/base/qmediaserviceprovider.h b/src/multimedia/base/qmediaserviceprovider.h
index 2ee0ae4..6e31493 100644
--- a/src/multimedia/base/qmediaserviceprovider.h
+++ b/src/multimedia/base/qmediaserviceprovider.h
@@ -64,7 +64,8 @@ public:
 
     enum Feature {
         LowLatencyPlayback = 0x01,
-        RecordingSupport = 0x02
+        RecordingSupport = 0x02,
+        StreamPlayback = 0x04
     };
     Q_DECLARE_FLAGS(Features, Feature)
 
diff --git a/src/multimedia/effects/wavedecoder_p.cpp b/src/multimedia/effects/wavedecoder_p.cpp
index f2277ae..b534ded 100644
--- a/src/multimedia/effects/wavedecoder_p.cpp
+++ b/src/multimedia/effects/wavedecoder_p.cpp
@@ -55,7 +55,7 @@ WaveDecoder::WaveDecoder(QIODevice *s, QObject *parent):
 {
     open(QIODevice::ReadOnly | QIODevice::Unbuffered);
 
-    if (source->bytesAvailable() >= sizeof(CombinedHeader))
+    if (source->bytesAvailable() >= qint64(sizeof(CombinedHeader) + sizeof(DATAHeader) + sizeof(quint16)))
         QTimer::singleShot(0, this, SLOT(handleData()));
     else
         connect(source, SIGNAL(readyRead()), SLOT(handleData()));
@@ -105,7 +105,7 @@ qint64 WaveDecoder::writeData(const char *data, qint64 len)
 
 void WaveDecoder::handleData()
 {
-    if (source->bytesAvailable() < sizeof(CombinedHeader))
+    if (source->bytesAvailable() < qint64(sizeof(CombinedHeader) + sizeof(DATAHeader) + sizeof(quint16)))
         return;
 
     source->disconnect(SIGNAL(readyRead()), this, SLOT(handleData()));
@@ -114,12 +114,23 @@ void WaveDecoder::handleData()
     if (qstrncmp(header.riff.descriptor.id, "RIFF", 4) != 0 ||
         qstrncmp(header.riff.type, "WAVE", 4) != 0 ||
         qstrncmp(header.wave.descriptor.id, "fmt ", 4) != 0 ||
-        (header.wave.audioFormat != 0 && header.wave.audioFormat != 1) ||
-        qstrncmp(header.data.descriptor.id, "data", 4) != 0) {
+        (header.wave.audioFormat != 0 && header.wave.audioFormat != 1)) {
 
         emit invalidFormat();
     }
     else {
+        DATAHeader dataHeader;
+
+        if (qFromLittleEndian<quint32>(header.wave.descriptor.size) > sizeof(WAVEHeader)) {
+            // Extended data available
+            quint16 extraFormatBytes;
+            source->peek((char*)&extraFormatBytes, sizeof(quint16));
+            extraFormatBytes = qFromLittleEndian<quint16>(extraFormatBytes);
+            source->read(sizeof(quint16) + extraFormatBytes);   // dump it all
+        }
+
+        source->read((char*)&dataHeader, sizeof(DATAHeader));
+
         int bps = qFromLittleEndian<quint16>(header.wave.bitsPerSample);
 
         format.setCodec(QLatin1String("audio/pcm"));
@@ -129,7 +140,7 @@ void WaveDecoder::handleData()
         format.setSampleSize(bps);
         format.setChannels(qFromLittleEndian<quint16>(header.wave.numChannels));
 
-        dataSize = qFromLittleEndian<quint32>(header.data.descriptor.size);
+        dataSize = qFromLittleEndian<quint32>(dataHeader.descriptor.size);
 
         haveFormat = true;
         connect(source, SIGNAL(readyRead()), SIGNAL(readyRead()));
diff --git a/src/multimedia/effects/wavedecoder_p.h b/src/multimedia/effects/wavedecoder_p.h
index 00aa14e..fa1f77e 100644
--- a/src/multimedia/effects/wavedecoder_p.h
+++ b/src/multimedia/effects/wavedecoder_p.h
@@ -116,7 +116,6 @@ private:
     {
         RIFFHeader  riff;
         WAVEHeader  wave;
-        DATAHeader  data;
     };
 
     bool haveFormat;
diff --git a/src/multimedia/playback/qmediaplayer.cpp b/src/multimedia/playback/qmediaplayer.cpp