Android: correctly report QMediaRecorder status.

QMediaRecorder should have the LoadedStatus before starting recording.
When recording the camera, the recorder should be considered loaded
when all prerequisites are met (viewfinder started, recording mode set
to video and capture ready).

Task-number: QTBUG-36828
Change-Id: I3279bdfdc2b361c7e0707c52e74ae47e0bb4a93d
Reviewed-by: Christian Stromme <christian.stromme@digia.com>

2 files changed, 47 insertions, 33 deletions

diff --git a/src/plugins/android/src/mediacapture/qandroidcapturesession.cpp b/src/plugins/android/src/mediacapture/qandroidcapturesession.cpp
index f40ec2498..fef2a5beb 100644
--- a/src/plugins/android/src/mediacapture/qandroidcapturesession.cpp
+++ b/src/plugins/android/src/mediacapture/qandroidcapturesession.cpp
@@ -65,12 +65,16 @@ QAndroidCaptureSession::QAndroidCaptureSession(QAndroidCameraSession *cameraSess
     , m_audioEncoder(JMediaRecorder::DefaultAudioEncoder)
     , m_videoEncoder(JMediaRecorder::DefaultVideoEncoder)
 {
+    connect(this, SIGNAL(stateChanged(QMediaRecorder::State)), this, SLOT(updateStatus()));
+
     if (cameraSession) {
         connect(cameraSession, SIGNAL(opened()), this, SLOT(onCameraOpened()));
-        connect(cameraSession, SIGNAL(statusChanged(QCamera::Status)),
-                this, SLOT(onCameraStatusChanged(QCamera::Status)));
+        connect(cameraSession, SIGNAL(statusChanged(QCamera::Status)), this, SLOT(updateStatus()));
         connect(cameraSession, SIGNAL(captureModeChanged(QCamera::CaptureModes)),
-                this, SLOT(onCameraCaptureModeChanged(QCamera::CaptureModes)));
+                this, SLOT(updateStatus()));
+        connect(cameraSession, SIGNAL(readyForCaptureChanged(bool)), this, SLOT(updateStatus()));
+    } else {
+        updateStatus();
     }
 
     m_notifyTimer.setInterval(1000);
@@ -164,10 +168,10 @@ void QAndroidCaptureSession::setState(QMediaRecorder::State state)
 
 bool QAndroidCaptureSession::start()
 {
-    if (m_state == QMediaRecorder::RecordingState)
+    if (m_state == QMediaRecorder::RecordingState || m_status != QMediaRecorder::LoadedStatus)
         return false;
 
-    setStatus(QMediaRecorder::LoadingStatus);
+    setStatus(QMediaRecorder::StartingStatus);
 
     if (m_mediaRecorder) {
         m_mediaRecorder->release();
@@ -179,17 +183,11 @@ bool QAndroidCaptureSession::start()
 
     // Set audio/video sources
     if (m_cameraSession) {
-        if (m_cameraSession->status() != QCamera::ActiveStatus) {
-            emit error(QMediaRecorder::ResourceError, QLatin1String("Camera must be active to record it."));
-            setStatus(QMediaRecorder::UnloadedStatus);
-            return false;
-        } else {
-            updateViewfinder();
-            m_cameraSession->camera()->unlock();
-            m_mediaRecorder->setCamera(m_cameraSession->camera());
-            m_mediaRecorder->setAudioSource(JMediaRecorder::Camcorder);
-            m_mediaRecorder->setVideoSource(JMediaRecorder::Camera);
-        }
+        updateViewfinder();
+        m_cameraSession->camera()->unlock();
+        m_mediaRecorder->setCamera(m_cameraSession->camera());
+        m_mediaRecorder->setAudioSource(JMediaRecorder::Camcorder);
+        m_mediaRecorder->setVideoSource(JMediaRecorder::Camera);
     } else {
         m_mediaRecorder->setAudioSource(m_audioSource);
     }
@@ -213,7 +211,6 @@ bool QAndroidCaptureSession::start()
         m_mediaRecorder->setOrientationHint(m_cameraSession->currentCameraRotation());
     }
 
-
     // Set output file
     QString filePath = m_mediaStorageLocation.generateFileName(
                 m_requestedOutputLocation.isLocalFile() ? m_requestedOutputLocation.toLocalFile()
@@ -236,17 +233,12 @@ bool QAndroidCaptureSession::start()
         return false;
     }
 
-    setStatus(QMediaRecorder::LoadedStatus);
-    setStatus(QMediaRecorder::StartingStatus);
-
     if (!m_mediaRecorder->start()) {
         emit error(QMediaRecorder::FormatError, QLatin1String("Unable to start the media recorder."));
         setStatus(QMediaRecorder::UnloadedStatus);
         return false;
     }
 
-    setStatus(QMediaRecorder::RecordingStatus);
-
     m_elapsedTime.start();
     m_notifyTimer.start();
     updateDuration();
@@ -292,7 +284,6 @@ void QAndroidCaptureSession::stop(bool error)
             JMultimediaUtils::registerMediaFile(mediaPath);
     }
 
-    setStatus(QMediaRecorder::UnloadedStatus);
 }
 
 void QAndroidCaptureSession::setStatus(QMediaRecorder::Status status)
@@ -513,16 +504,40 @@ QAndroidCaptureSession::CaptureProfile QAndroidCaptureSession::getProfile(int id
     return profile;
 }
 
-void QAndroidCaptureSession::onCameraStatusChanged(QCamera::Status status)
+void QAndroidCaptureSession::updateStatus()
 {
-    if (status == QCamera::StoppingStatus)
-        setState(QMediaRecorder::StoppedState);
-}
+    if (m_cameraSession) {
+        // Video recording
 
-void QAndroidCaptureSession::onCameraCaptureModeChanged(QCamera::CaptureModes mode)
-{
-    if (!mode.testFlag(QCamera::CaptureVideo))
-        setState(QMediaRecorder::StoppedState);
+        // stop recording when stopping the camera
+        if (m_cameraSession->status() == QCamera::StoppingStatus
+                || !m_cameraSession->captureMode().testFlag(QCamera::CaptureVideo)) {
+            setState(QMediaRecorder::StoppedState);
+        }
+
+        if (m_state == QMediaRecorder::RecordingState) {
+            setStatus(QMediaRecorder::RecordingStatus);
+        } else if (m_cameraSession->status() == QCamera::UnavailableStatus) {
+            setStatus(QMediaRecorder::UnavailableStatus);
+        } else if (m_cameraSession->captureMode().testFlag(QCamera::CaptureVideo)
+                   && m_cameraSession->isReadyForCapture()) {
+            if (m_cameraSession->status() == QCamera::StartingStatus)
+                setStatus(QMediaRecorder::LoadingStatus);
+            else if (m_cameraSession->status() == QCamera::ActiveStatus)
+                setStatus(QMediaRecorder::LoadedStatus);
+            else
+                setStatus(QMediaRecorder::UnloadedStatus);
+        } else {
+            setStatus(QMediaRecorder::UnloadedStatus);
+        }
+
+    } else {
+        // Audio-only recording
+        if (m_state == QMediaRecorder::RecordingState)
+            setStatus(QMediaRecorder::RecordingStatus);
+        else
+            setStatus(QMediaRecorder::LoadedStatus);
+    }
 }
 
 void QAndroidCaptureSession::onError(int what, int extra)
diff --git a/src/plugins/android/src/mediacapture/qandroidcapturesession.h b/src/plugins/android/src/mediacapture/qandroidcapturesession.h
index fcd87cd02..deee50569 100644
--- a/src/plugins/android/src/mediacapture/qandroidcapturesession.h
+++ b/src/plugins/android/src/mediacapture/qandroidcapturesession.h
@@ -99,8 +99,7 @@ Q_SIGNALS:
 private Q_SLOTS:
     void updateDuration();
     void onCameraOpened();
-    void onCameraStatusChanged(QCamera::Status);
-    void onCameraCaptureModeChanged(QCamera::CaptureModes mode);
+    void updateStatus();
 
     void onError(int what, int extra);
     void onInfo(int what, int extra);