1 files changed, 158 insertions, 0 deletions
diff --git a/src/plugins/android/src/wrappers/jni/androidsurfacetexture.cpp b/src/plugins/android/src/wrappers/jni/androidsurfacetexture.cpp
new file mode 100644
index 000000000..8c334a060
--- /dev/null
+++ b/src/plugins/android/src/wrappers/jni/androidsurfacetexture.cpp
@@ -0,0 +1,158 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "androidsurfacetexture.h"
+#include <QtCore/private/qjni_p.h>
+#include <QtCore/private/qjnihelpers_p.h>
+
+QT_BEGIN_NAMESPACE
+
+static jclass g_qtSurfaceTextureListenerClass = 0;
+static QMap<int, AndroidSurfaceTexture*> g_objectMap;
+
+// native method for QtSurfaceTexture.java
+static void notifyFrameAvailable(JNIEnv* , jobject, int id)
+{
+    AndroidSurfaceTexture *obj = g_objectMap.value(id, 0);
+    if (obj)
+        Q_EMIT obj->frameAvailable();
+}
+
+AndroidSurfaceTexture::AndroidSurfaceTexture(unsigned int texName)
+    : QObject()
+    , m_texID(int(texName))
+{
+    // API level 11 or higher is required
+    if (QtAndroidPrivate::androidSdkVersion() < 11) {
+        qWarning("Camera preview and video playback require Android 3.0 (API level 11) or later.");
+        return;
+    }
+
+    QJNIEnvironmentPrivate env;
+    m_surfaceTexture = QJNIObjectPrivate("android/graphics/SurfaceTexture", "(I)V", jint(texName));
+    if (env->ExceptionCheck()) {
+#ifdef QT_DEBUG
+        env->ExceptionDescribe();
+#endif // QT_DEBUG
+        env->ExceptionClear();
+    }
+
+    if (m_surfaceTexture.isValid())
+        g_objectMap.insert(int(texName), this);
+
+    QJNIObjectPrivate listener(g_qtSurfaceTextureListenerClass, "(I)V", jint(texName));
+    m_surfaceTexture.callMethod<void>("setOnFrameAvailableListener",
+                                      "(Landroid/graphics/SurfaceTexture$OnFrameAvailableListener;)V",
+                                      listener.object());
+}
+
+AndroidSurfaceTexture::~AndroidSurfaceTexture()
+{
+    if (m_surfaceTexture.isValid()) {
+        release();
+        g_objectMap.remove(m_texID);
+    }
+}
+
+QMatrix4x4 AndroidSurfaceTexture::getTransformMatrix()
+{
+    QMatrix4x4 matrix;
+    if (!m_surfaceTexture.isValid())
+        return matrix;
+
+    QJNIEnvironmentPrivate env;
+
+    jfloatArray array = env->NewFloatArray(16);
+    m_surfaceTexture.callMethod<void>("getTransformMatrix", "([F)V", array);
+    env->GetFloatArrayRegion(array, 0, 16, matrix.data());
+    env->DeleteLocalRef(array);
+
+    return matrix;
+}
+
+void AndroidSurfaceTexture::release()
+{
+    if (QtAndroidPrivate::androidSdkVersion() < 14)
+        return;
+
+    m_surfaceTexture.callMethod<void>("release");
+}
+
+void AndroidSurfaceTexture::updateTexImage()
+{
+    if (!m_surfaceTexture.isValid())
+        return;
+
+    m_surfaceTexture.callMethod<void>("updateTexImage");
+}
+
+jobject AndroidSurfaceTexture::object()
+{
+    return m_surfaceTexture.object();
+}
+
+static JNINativeMethod methods[] = {
+    {"notifyFrameAvailable", "(I)V", (void *)notifyFrameAvailable}
+};
+
+bool AndroidSurfaceTexture::initJNI(JNIEnv *env)
+{
+    // SurfaceTexture is available since API 11.
+    if (QtAndroidPrivate::androidSdkVersion() < 11)
+        return false;
+
+    jclass clazz = env->FindClass("org/qtproject/qt5/android/multimedia/QtSurfaceTextureListener");
+    if (env->ExceptionCheck())
+        env->ExceptionClear();
+
+    if (clazz) {
+        g_qtSurfaceTextureListenerClass = static_cast<jclass>(env->NewGlobalRef(clazz));
+        if (env->RegisterNatives(g_qtSurfaceTextureListenerClass,
+                                 methods,
+                                 sizeof(methods) / sizeof(methods[0])) < 0) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+QT_END_NAMESPACE