qml: add some apis for player. speed, volume, duration, position

TODO: durationChanged and positionChanged not emit
mattixiv · Sep 4, 2013 · 82c01bd · 82c01bd
1 parent 1be7ec0
commit 82c01bd
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diff --git a/qml/QmlAV/QmlAVPlayer.h b/qml/QmlAV/QmlAVPlayer.h
@@ -33,8 +33,12 @@ using namespace QtAV;
 class QMLAV_EXPORT QmlAVPlayer : public QObject
 {
     Q_OBJECT
+    Q_PROPERTY(qreal volume READ volume WRITE setVolume NOTIFY volumeChanged)
+    Q_PROPERTY(int duration READ duration NOTIFY durationChanged)
+    Q_PROPERTY(int position READ position NOTIFY positionChanged)
     Q_PROPERTY(bool mute READ mute WRITE setMute NOTIFY muteChanged)
     Q_PROPERTY(PlaybackState playbackState READ playbackState NOTIFY playbackStateChanged)
+    Q_PROPERTY(qreal speed READ speed WRITE setSpeed NOTIFY speedChanged)
     Q_PROPERTY(QUrl source READ source WRITE setSource NOTIFY sourceChanged)
     Q_PROPERTY(QObject* videoOut READ videoOut WRITE setVideoOut NOTIFY videoOutChanged)
     Q_ENUMS(PlaybackState)
@@ -50,10 +54,16 @@ class QMLAV_EXPORT QmlAVPlayer : public QObject
     void setSource(const QUrl& url);
     QObject* videoOut();
     void setVideoOut(QObject* out);
+    qreal volume() const;
+    void setVolume(qreal volume);
     bool mute() const;
     void setMute(bool m);
+    int duration() const;
+    int position() const;
     PlaybackState playbackState() const;
     void setPlaybackState(PlaybackState playbackState);
+    qreal speed() const;
+    void setSpeed(qreal s);
     Q_INVOKABLE void play(const QUrl& url);
 
 public Q_SLOTS:
@@ -68,10 +78,14 @@ public Q_SLOTS:
     void seekBackward();
 
 Q_SIGNALS:
+    void volumeChanged();
     void muteChanged();
+    void durationChanged();
+    void positionChanged();
     void sourceChanged();
     void videoOutChanged();
     void playbackStateChanged();
+    void speedChanged();
     void paused();
     void stopped();
     void playing();

diff --git a/qml/QmlAVPlayer.cpp b/qml/QmlAVPlayer.cpp
@@ -21,6 +21,7 @@
 
 #include "QmlAVPlayer.h"
 #include <QtAV/AVPlayer.h>
+#include <QtAV/AudioOutput.h>
 
 QmlAVPlayer::QmlAVPlayer(QObject *parent) :
     QObject(parent)
@@ -60,6 +61,24 @@ void QmlAVPlayer::setVideoOut(QObject *out)
     mpVideoOut = static_cast<QQuickItemRenderer*>(out);
 }
 
+qreal QmlAVPlayer::volume() const
+{
+    AudioOutput *ao = mpPlayer->audio();
+    if (ao && ao->isAvailable()) {
+        return ao->volume();
+    }
+    return 0;
+}
+
+void QmlAVPlayer::setVolume(qreal volume)
+{
+    AudioOutput *ao = mpPlayer->audio();
+    if (ao && ao->isAvailable() && ao->volume() != volume) {
+        ao->setVolume(volume);
+        emit volumeChanged();
+    }
+}
+
 bool QmlAVPlayer::mute() const
 {
     return mpPlayer->isMute();
@@ -73,6 +92,16 @@ void QmlAVPlayer::setMute(bool m)
     emit muteChanged();
 }
 
+int QmlAVPlayer::duration() const
+{
+    return mpPlayer->duration();
+}
+
+int QmlAVPlayer::position() const
+{
+    return mpPlayer->masterClock()->value();
+}
+
 QmlAVPlayer::PlaybackState QmlAVPlayer::playbackState() const
 {
     return mPlaybackState;
@@ -102,6 +131,19 @@ void QmlAVPlayer::setPlaybackState(PlaybackState playbackState)
     }
 }
 
+qreal QmlAVPlayer::speed() const
+{
+    return mpPlayer->speed();
+}
+
+void QmlAVPlayer::setSpeed(qreal s)
+{
+    if (mpPlayer->speed() == s)
+        return;
+    mpPlayer->setSpeed(s);
+    emit speedChanged();
+}
+
 void QmlAVPlayer::play(const QUrl &url)
 {
     setSource(url);