diff options
Diffstat (limited to 'src/plugins/android/jar/src/org/qtproject/qt/android/multimedia/QtCameraListener.java')
| -rw-r--r-- | src/plugins/android/jar/src/org/qtproject/qt/android/multimedia/QtCameraListener.java | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/src/plugins/android/jar/src/org/qtproject/qt/android/multimedia/QtCameraListener.java b/src/plugins/android/jar/src/org/qtproject/qt/android/multimedia/QtCameraListener.java deleted file mode 100644 index ff26d90c3..000000000 --- a/src/plugins/android/jar/src/org/qtproject/qt/android/multimedia/QtCameraListener.java +++ /dev/null @@ -1,216 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtMultimedia 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 The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/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 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -package org.qtproject.qt.android.multimedia; - -import android.hardware.Camera; -import android.graphics.ImageFormat; -import android.graphics.SurfaceTexture; -import android.util.Log; -import java.lang.Math; - -public class QtCameraListener implements Camera.ShutterCallback, - Camera.PictureCallback, - Camera.AutoFocusCallback, - Camera.PreviewCallback -{ - private static final String TAG = "Qt Camera"; - - private static final int BUFFER_POOL_SIZE = 2; - - private int m_cameraId = -1; - - private boolean m_notifyNewFrames = false; - private boolean m_notifyWhenFrameAvailable = false; - private byte[][] m_previewBuffers = null; - private byte[] m_lastPreviewBuffer = null; - private Camera.Size m_previewSize = null; - private int m_previewFormat = ImageFormat.NV21; // Default preview format on all devices - private int m_previewBytesPerLine = -1; - - private QtCameraListener(int id) - { - m_cameraId = id; - } - - public void notifyNewFrames(boolean notify) - { - m_notifyNewFrames = notify; - } - - public void notifyWhenFrameAvailable(boolean notify) - { - m_notifyWhenFrameAvailable = notify; - } - - public byte[] lastPreviewBuffer() - { - return m_lastPreviewBuffer; - } - - public int previewWidth() - { - if (m_previewSize == null) - return -1; - - return m_previewSize.width; - } - - public int previewHeight() - { - if (m_previewSize == null) - return -1; - - return m_previewSize.height; - } - - public int previewFormat() - { - return m_previewFormat; - } - - public int previewBytesPerLine() - { - return m_previewBytesPerLine; - } - - public void clearPreviewCallback(Camera camera) - { - camera.setPreviewCallbackWithBuffer(null); - } - - public void setupPreviewCallback(Camera camera) - { - // Clear previous callback (also clears added buffers) - clearPreviewCallback(camera); - m_lastPreviewBuffer = null; - - final Camera.Parameters params = camera.getParameters(); - m_previewSize = params.getPreviewSize(); - m_previewFormat = params.getPreviewFormat(); - - int bufferSizeNeeded = 0; - if (m_previewFormat == ImageFormat.YV12) { - // For YV12, bytes per line must be a multiple of 16 - final int yStride = (int) Math.ceil(m_previewSize.width / 16.0) * 16; - final int uvStride = (int) Math.ceil((yStride / 2) / 16.0) * 16; - final int ySize = yStride * m_previewSize.height; - final int uvSize = uvStride * m_previewSize.height / 2; - bufferSizeNeeded = ySize + uvSize * 2; - - m_previewBytesPerLine = yStride; - - } else { - double bytesPerPixel = ImageFormat.getBitsPerPixel(m_previewFormat) / 8.0; - bufferSizeNeeded = (int) Math.ceil(bytesPerPixel * m_previewSize.width * m_previewSize.height); - - // bytes per line are calculated only for the first plane - switch (m_previewFormat) { - case ImageFormat.NV21: - m_previewBytesPerLine = m_previewSize.width; // 1 byte per sample and tightly packed - break; - case ImageFormat.RGB_565: - case ImageFormat.YUY2: - m_previewBytesPerLine = m_previewSize.width * 2; // 2 bytes per pixel - break; - default: - m_previewBytesPerLine = -1; - break; - } - } - - // We could keep the same buffers when they are already bigger than the required size - // but the Android doc says the size must match, so in doubt just replace them. - if (m_previewBuffers == null || m_previewBuffers[0].length != bufferSizeNeeded) - m_previewBuffers = new byte[BUFFER_POOL_SIZE][bufferSizeNeeded]; - - // Add callback and queue all buffers - camera.setPreviewCallbackWithBuffer(this); - for (byte[] buffer : m_previewBuffers) - camera.addCallbackBuffer(buffer); - } - - @Override - public void onPreviewFrame(byte[] data, Camera camera) - { - // Re-enqueue the last buffer - if (m_lastPreviewBuffer != null) - camera.addCallbackBuffer(m_lastPreviewBuffer); - - m_lastPreviewBuffer = data; - - if (data != null) { - if (m_notifyWhenFrameAvailable) { - m_notifyWhenFrameAvailable = false; - notifyFrameAvailable(m_cameraId); - } - if (m_notifyNewFrames) { - notifyNewPreviewFrame(m_cameraId, data, - m_previewSize.width, m_previewSize.height, - m_previewFormat, - m_previewBytesPerLine); - } - } - } - - @Override - public void onShutter() - { - notifyPictureExposed(m_cameraId); - } - - @Override - public void onPictureTaken(byte[] data, Camera camera) - { - notifyPictureCaptured(m_cameraId, data); - } - - @Override - public void onAutoFocus(boolean success, Camera camera) - { - notifyAutoFocusComplete(m_cameraId, success); - } - - private static native void notifyAutoFocusComplete(int id, boolean success); - private static native void notifyPictureExposed(int id); - private static native void notifyPictureCaptured(int id, byte[] data); - private static native void notifyNewPreviewFrame(int id, byte[] data, int width, int height, - int pixelFormat, int bytesPerLine); - private static native void notifyFrameAvailable(int id); -} |