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/****************************************************************************
**
** 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 "jsurfacetexture.h"
#include <QtCore/private/qjni_p.h>
QT_BEGIN_NAMESPACE
static jclass g_qtSurfaceTextureClass = 0;
static QMap<int, JSurfaceTexture*> g_objectMap;
// native method for QtSurfaceTexture.java
static void notifyFrameAvailable(JNIEnv* , jobject, int id)
{
JSurfaceTexture *obj = g_objectMap.value(id, 0);
if (obj)
Q_EMIT obj->frameAvailable();
}
JSurfaceTexture::JSurfaceTexture(unsigned int texName)
: QObject()
, QJNIObjectPrivate(g_qtSurfaceTextureClass, "(I)V", jint(texName))
, m_texID(int(texName))
{
if (isValid())
g_objectMap.insert(int(texName), this);
else // If the class is not available, it means the Android version is < 3.0
qWarning("Camera preview and video playback require Android 3.0 (API level 11) or later.");
}
JSurfaceTexture::~JSurfaceTexture()
{
if (isValid())
g_objectMap.remove(m_texID);
}
QMatrix4x4 JSurfaceTexture::getTransformMatrix()
{
QJNIEnvironmentPrivate env;
QMatrix4x4 matrix;
jfloatArray array = env->NewFloatArray(16);
callMethod<void>("getTransformMatrix", "([F)V", array);
env->GetFloatArrayRegion(array, 0, 16, matrix.data());
env->DeleteLocalRef(array);
return matrix;
}
void JSurfaceTexture::updateTexImage()
{
callMethod<void>("updateTexImage");
}
static JNINativeMethod methods[] = {
{"notifyFrameAvailable", "(I)V", (void *)notifyFrameAvailable}
};
bool JSurfaceTexture::initJNI(JNIEnv *env)
{
// SurfaceTexture is available since API 11, try to find it first before loading
// our custom class
jclass surfaceTextureClass = env->FindClass("android/graphics/SurfaceTexture");
if (env->ExceptionCheck())
env->ExceptionClear();
if (surfaceTextureClass) {
jclass clazz = env->FindClass("org/qtproject/qt5/android/multimedia/QtSurfaceTexture");
if (env->ExceptionCheck())
env->ExceptionClear();
if (clazz) {
g_qtSurfaceTextureClass = static_cast<jclass>(env->NewGlobalRef(clazz));
if (env->RegisterNatives(g_qtSurfaceTextureClass,
methods,
sizeof(methods) / sizeof(methods[0])) < 0) {
return false;
}
}
}
return true;
}
QT_END_NAMESPACE
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