Merge 5.6 into 5.6.1

Change-Id: Ib4a7640e12319d78ea5ae8f58d79c9fab8d0ea60

src/plugins/android/src/common/qandroidvideooutput.cpp

@@ -42,6 +42,7 @@
 #include <qopenglfunctions.h>
 #include <qopenglshaderprogram.h>
 #include <qopenglframebufferobject.h>
+#include <QtCore/private/qjnihelpers_p.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -159,6 +160,7 @@ QAndroidTextureVideoOutput::QAndroidTextureVideoOutput(QObject *parent)
     , m_fbo(0)
     , m_program(0)
     , m_glDeleter(0)
+    , m_surfaceTextureCanAttachToContext(QtAndroidPrivate::androidSdkVersion() >= 16)
 {
 
 }
@@ -184,12 +186,14 @@ void QAndroidTextureVideoOutput::setSurface(QAbstractVideoSurface *surface)
     if (m_surface) {
         if (m_surface->isActive())
             m_surface->stop();
-        m_surface->setProperty("_q_GLThreadCallback", QVariant());
+
+        if (!m_surfaceTextureCanAttachToContext)
+            m_surface->setProperty("_q_GLThreadCallback", QVariant());
     }
 
     m_surface = surface;
 
-    if (m_surface) {
+    if (m_surface && !m_surfaceTextureCanAttachToContext) {
         m_surface->setProperty("_q_GLThreadCallback",
                                QVariant::fromValue<QObject*>(this));
     }
@@ -197,7 +201,7 @@ void QAndroidTextureVideoOutput::setSurface(QAbstractVideoSurface *surface)
 
 bool QAndroidTextureVideoOutput::isReady()
 {
-    return QOpenGLContext::currentContext() || m_externalTex;
+    return m_surfaceTextureCanAttachToContext || QOpenGLContext::currentContext() || m_externalTex;
 }
 
 bool QAndroidTextureVideoOutput::initSurfaceTexture()
@@ -208,16 +212,20 @@ bool QAndroidTextureVideoOutput::initSurfaceTexture()
     if (!m_surface)
         return false;
 
-    // if we have an OpenGL context in the current thread, create a texture. Otherwise, wait
-    // for the GL render thread to call us back to do it.
-    if (QOpenGLContext::currentContext()) {
-        glGenTextures(1, &m_externalTex);
-        m_glDeleter = new OpenGLResourcesDeleter;
-        m_glDeleter->setTexture(m_externalTex);
-    } else if (!m_externalTex) {
-        return false;
+    if (!m_surfaceTextureCanAttachToContext) {
+        // if we have an OpenGL context in the current thread, create a texture. Otherwise, wait
+        // for the GL render thread to call us back to do it.
+        if (QOpenGLContext::currentContext()) {
+            glGenTextures(1, &m_externalTex);
+            m_glDeleter = new OpenGLResourcesDeleter;
+            m_glDeleter->setTexture(m_externalTex);
+        } else if (!m_externalTex) {
+            return false;
+        }
     }
 
+    QMutexLocker locker(&m_mutex);
+
     m_surfaceTexture = new AndroidSurfaceTexture(m_externalTex);
 
     if (m_surfaceTexture->surfaceTexture() != 0) {
@@ -225,7 +233,8 @@ bool QAndroidTextureVideoOutput::initSurfaceTexture()
     } else {
         delete m_surfaceTexture;
         m_surfaceTexture = 0;
-        m_glDeleter->deleteLater();
+        if (m_glDeleter)
+            m_glDeleter->deleteLater();
         m_externalTex = 0;
         m_glDeleter = 0;
     }
@@ -235,10 +244,15 @@ bool QAndroidTextureVideoOutput::initSurfaceTexture()
 
 void QAndroidTextureVideoOutput::clearSurfaceTexture()
 {
+    QMutexLocker locker(&m_mutex);
     if (m_surfaceTexture) {
         delete m_surfaceTexture;
         m_surfaceTexture = 0;
     }
+
+    // Also reset the attached OpenGL texture
+    if (m_surfaceTextureCanAttachToContext)
+        m_externalTex = 0;
 }
 
 AndroidSurfaceTexture *QAndroidTextureVideoOutput::surfaceTexture()
@@ -301,6 +315,9 @@ void QAndroidTextureVideoOutput::renderFrameToFbo()
 {
     QMutexLocker locker(&m_mutex);
 
+    if (!m_nativeSize.isValid() || !m_surfaceTexture)
+        return;
+
     createGLResources();
 
     m_surfaceTexture->updateTexImage();
@@ -358,6 +375,18 @@ void QAndroidTextureVideoOutput::renderFrameToFbo()
 
 void QAndroidTextureVideoOutput::createGLResources()
 {
+    Q_ASSERT(QOpenGLContext::currentContext() != NULL);
+
+    if (!m_glDeleter)
+        m_glDeleter = new OpenGLResourcesDeleter;
+
+    if (m_surfaceTextureCanAttachToContext && !m_externalTex) {
+        m_surfaceTexture->detachFromGLContext();
+        glGenTextures(1, &m_externalTex);
+        m_surfaceTexture->attachToGLContext(m_externalTex);
+        m_glDeleter->setTexture(m_externalTex);
+    }
+
     if (!m_fbo || m_fbo->size() != m_nativeSize) {
         delete m_fbo;
         m_fbo = new QOpenGLFramebufferObject(m_nativeSize);
@@ -401,7 +430,7 @@ void QAndroidTextureVideoOutput::customEvent(QEvent *e)
 {
     if (e->type() == QEvent::User) {
         // This is running in the render thread (OpenGL enabled)
-        if (!m_externalTex) {
+        if (!m_surfaceTextureCanAttachToContext && !m_externalTex) {
             glGenTextures(1, &m_externalTex);
             m_glDeleter = new OpenGLResourcesDeleter; // will cleanup GL resources in the correct thread
             m_glDeleter->setTexture(m_externalTex);

src/plugins/android/src/common/qandroidvideooutput.h

@@ -110,6 +110,8 @@ private:
     QOpenGLShaderProgram *m_program;
     OpenGLResourcesDeleter *m_glDeleter;
 
+    bool m_surfaceTextureCanAttachToContext;
+
     friend class AndroidTextureVideoBuffer;
 };
 

src/plugins/android/src/wrappers/jni/androidsurfacetexture.cpp

@@ -146,6 +146,22 @@ jobject AndroidSurfaceTexture::surfaceHolder()
     return m_surfaceHolder.object();
 }
 
+void AndroidSurfaceTexture::attachToGLContext(int texName)
+{
+    if (QtAndroidPrivate::androidSdkVersion() < 16 || !m_surfaceTexture.isValid())
+        return;
+
+    m_surfaceTexture.callMethod<void>("attachToGLContext", "(I)V", texName);
+}
+
+void AndroidSurfaceTexture::detachFromGLContext()
+{
+    if (QtAndroidPrivate::androidSdkVersion() < 16 || !m_surfaceTexture.isValid())
+        return;
+
+    m_surfaceTexture.callMethod<void>("detachFromGLContext");
+}
+
 bool AndroidSurfaceTexture::initJNI(JNIEnv *env)
 {
     // SurfaceTexture is available since API 11.

src/plugins/android/src/wrappers/jni/androidsurfacetexture.h

@@ -58,6 +58,9 @@ public:
     void release(); // API level 14
     void updateTexImage();
 
+    void attachToGLContext(int texName); // API level 16
+    void detachFromGLContext(); // API level 16
+
     static bool initJNI(JNIEnv *env);
 
 Q_SIGNALS:

src/plugins/v4l/radio/v4lradiocontrol.h

@@ -40,7 +40,11 @@
 
 #include <qradiotunercontrol.h>
 
+#if defined(Q_OS_FREEBSD)
+#include <sys/types.h>
+#else
 #include <linux/types.h>
+#endif
 #include <sys/time.h>
 #include <sys/ioctl.h>
 #include <linux/videodev2.h>

src/plugins/winrt/qwinrtcameracontrol.cpp

@@ -632,7 +632,7 @@ void QWinRTCameraControl::setState(QCamera::State state)
         }
 
         QCameraFocus::FocusModes focusMode = d->cameraFocusControl->focusMode();
-        if (setFocus(focusMode) && focusMode == QCameraFocus::ContinuousFocus)
+        if (focusMode != 0 && setFocus(focusMode) && focusMode == QCameraFocus::ContinuousFocus)
             focus();
 
         d->state = QCamera::ActiveState;