Expose the audio and video encoding modes through QML as well.

They were missing.

Change-Id: I0bb08c5e4721c27d2dcec818c0ee33f42c8df959
Reviewed-by: Dmytro Poplavskiy <dmytro.poplavskiy@nokia.com>

src/imports/multimedia/qdeclarativecamerarecorder.cpp

@@ -60,6 +60,15 @@ QT_BEGIN_NAMESPACE
     \l {Camera::videoRecorder}{videoRecorder} property) and cannot be created
     directly.
 
+    \qml
+    Camera {
+        videoRecorder.audioEncodingMode: CameraRecorder.ConstantBitrateEncoding;
+        videoRecorder.audioBitRate: 128000
+        videoRecorder.mediaContainer: "mp4"
+        // ...
+    }
+    \endqml
+
     There are many different settings for each part of the recording process (audio,
     video, and output formats), as well as control over muting and where to store
     the output file.
@@ -224,6 +233,53 @@ int QDeclarativeCameraRecorder::audioSampleRate() const
     return m_audioSettings.sampleRate();
 }
 
+/*!
+    \qmlproperty enumeration QtMultimedia5::CameraRecorder::videoEncodingMode
+
+    The type of encoding method to use when recording audio.
+
+    \table
+    \header \o Value \o Description
+    \row \o ConstantQualityEncoding
+         \o Encoding will aim to have a constant quality, adjusting bitrate to fit.
+            This is the default.  The bitrate setting will be ignored.
+    \row \o ConstantBitRateEncoding
+         \o Encoding will use a constant bit rate, adjust quality to fit.  This is
+            appropriate if you are trying to optimize for space.
+    \row \o AverageBitRateEncoding
+         \o Encoding will try to keep an average bitrate setting, but will use
+            more or less as needed.
+    \endtable
+
+*/
+QDeclarativeCameraRecorder::EncodingMode QDeclarativeCameraRecorder::videoEncodingMode() const
+{
+    return EncodingMode(m_videoSettings.encodingMode());
+}
+
+/*!
+    \qmlproperty enumeration QtMultimedia5::CameraRecorder::audioEncodingMode
+
+    The type of encoding method to use when recording audio.
+
+    \table
+    \header \o Value \o Description
+    \row \o ConstantQualityEncoding
+         \o Encoding will aim to have a constant quality, adjusting bitrate to fit.
+            This is the default.  The bitrate setting will be ignored.
+    \row \o ConstantBitRateEncoding
+         \o Encoding will use a constant bit rate, adjust quality to fit.  This is
+            appropriate if you are trying to optimize for space.
+    \row \o AverageBitRateEncoding
+         \o Encoding will try to keep an average bitrate setting, but will use
+            more or less as needed.
+    \endtable
+*/
+QDeclarativeCameraRecorder::EncodingMode QDeclarativeCameraRecorder::audioEncodingMode() const
+{
+    return EncodingMode(m_audioSettings.encodingMode());
+}
+
 void QDeclarativeCameraRecorder::setFrameRate(qreal frameRate)
 {
     if (!qFuzzyCompare(m_videoSettings.frameRate(),frameRate)) {
@@ -269,6 +325,24 @@ void QDeclarativeCameraRecorder::setAudioSampleRate(int rate)
     }
 }
 
+void QDeclarativeCameraRecorder::setAudioEncodingMode(QDeclarativeCameraRecorder::EncodingMode encodingMode)
+{
+    if (m_audioSettings.encodingMode() != QtMultimedia::EncodingMode(encodingMode)) {
+        m_audioSettings.setEncodingMode(QtMultimedia::EncodingMode(encodingMode));
+        m_recorder->setAudioSettings(m_audioSettings);
+        emit audioEncodingModeChanged(encodingMode);
+    }
+}
+
+void QDeclarativeCameraRecorder::setVideoEncodingMode(QDeclarativeCameraRecorder::EncodingMode encodingMode)
+{
+    if (m_videoSettings.encodingMode() != QtMultimedia::EncodingMode(encodingMode)) {
+        m_videoSettings.setEncodingMode(QtMultimedia::EncodingMode(encodingMode));
+        m_recorder->setVideoSettings(m_videoSettings);
+        emit videoEncodingModeChanged(encodingMode);
+    }
+}
+
 // XXX todo
 QMediaRecorder::Error QDeclarativeCameraRecorder::error() const
 {

src/imports/multimedia/qdeclarativecamerarecorder_p.h

@@ -67,6 +67,7 @@ class QDeclarativeCameraRecorder : public QObject
 {
     Q_OBJECT
     Q_ENUMS(RecorderState)
+    Q_ENUMS(EncodingMode)
 
     Q_PROPERTY(RecorderState recorderState READ recorderState WRITE setRecorderState NOTIFY recorderStateChanged)
 
@@ -74,11 +75,13 @@ class QDeclarativeCameraRecorder : public QObject
     Q_PROPERTY(QSize resolution READ captureResolution WRITE setCaptureResolution NOTIFY captureResolutionChanged)
     Q_PROPERTY(qreal frameRate READ frameRate WRITE setFrameRate NOTIFY frameRateChanged)
     Q_PROPERTY(int videoBitRate READ videoBitRate WRITE setVideoBitRate NOTIFY videoBitRateChanged)
+    Q_PROPERTY(EncodingMode videoEncodingMode READ videoEncodingMode WRITE setVideoEncodingMode NOTIFY videoEncodingModeChanged)
 
     Q_PROPERTY(QString audioCodec READ audioCodec WRITE setAudioCodec NOTIFY audioCodecChanged)
     Q_PROPERTY(int audioBitRate READ audioBitRate WRITE setAudioBitRate NOTIFY audioBitRateChanged)
     Q_PROPERTY(int audioChannels READ audioChannels WRITE setAudioChannels NOTIFY audioChannelsChanged)
     Q_PROPERTY(int audioSampleRate READ audioSampleRate WRITE setAudioSampleRate NOTIFY audioSampleRateChanged)
+    Q_PROPERTY(EncodingMode audioEncodingMode READ audioEncodingMode WRITE setAudioEncodingMode NOTIFY audioEncodingModeChanged)
 
     Q_PROPERTY(QString mediaContainer READ mediaContainer WRITE setMediaContainer NOTIFY mediaContainerChanged)
 
@@ -95,6 +98,13 @@ public:
         RecordingState = QMediaRecorder::RecordingState
     };
 
+    enum EncodingMode
+    {
+        ConstantQualityEncoding = QtMultimedia::ConstantQualityEncoding,
+        ConstantBitRateEncoding = QtMultimedia::ConstantBitRateEncoding,
+        AverageBitRateEncoding = QtMultimedia::AverageBitRateEncoding
+    };
+
     ~QDeclarativeCameraRecorder();
 
     RecorderState recorderState() const;
@@ -120,6 +130,9 @@ public:
     int audioChannels() const;
     int audioSampleRate() const;
 
+    EncodingMode videoEncodingMode() const;
+    EncodingMode audioEncodingMode() const;
+
 public Q_SLOTS:
     void setOutputLocation(const QString &location);
 
@@ -141,6 +154,9 @@ public Q_SLOTS:
     void setAudioChannels(int channels);
     void setAudioSampleRate(int rate);
 
+    void setVideoEncodingMode(EncodingMode encodingMode);
+    void setAudioEncodingMode(EncodingMode encodingMode);
+
 Q_SIGNALS:
     void recorderStateChanged(QDeclarativeCameraRecorder::RecorderState state);
     void durationChanged(qint64 duration);
@@ -163,6 +179,9 @@ Q_SIGNALS:
     void audioChannelsChanged(int arg);
     void audioSampleRateChanged(int arg);
 
+    void audioEncodingModeChanged(EncodingMode encodingMode);
+    void videoEncodingModeChanged(EncodingMode encodingMode);
+
 private slots:
     void updateRecorderState(QMediaRecorder::State);
     void updateRecorderError(QMediaRecorder::Error);