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/* $Id: PjCameraInfo.java 5019 2015-03-23 06:35:45Z nanang $ */
/*
* Copyright (C) 2015 Teluu Inc. (http://www.teluu.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.pjsip;
import java.util.List;
import android.hardware.Camera;
import android.util.Log;
public class PjCameraInfo {
public int facing;
public int orient;
public int[] supportedSize; // [w1, h1, w2, h2, ...]
public int[] supportedFps1000; // [min1, max1, min2, max2, ...]
public int[] supportedFormat; // [fmt1, fmt2, ...]
// convert Format list {fmt1, fmt2, ...} to [fmt1, fmt2, ...]
private static int[] IntegerListToIntArray(List<Integer> list)
{
int[] li = new int[list.size()];
int i = 0;
for (Integer e : list) {
li[i++] = e.intValue();
}
return li;
}
// convert Fps list {[min1, max1], [min2, max2], ...} to
// [min1, max1, min2, max2, ...]
private static int[] IntArrayListToIntArray(List<int[]> list)
{
int[] li = new int[list.size() * 2];
int i = 0;
for (int[] e : list) {
li[i++] = e[0];
li[i++] = e[1];
}
return li;
}
// convert Size list {{w1, h1}, {w2, h2}, ...} to [w1, h1, w2, h2, ...]
private static int[] CameraSizeListToIntArray(List<Camera.Size> list)
{
int[] li = new int[list.size() * 2];
int i = 0;
for (Camera.Size e : list) {
li[i++] = e.width;
li[i++] = e.height;
}
return li;
}
public static int GetCameraCount()
{
return Camera.getNumberOfCameras();
}
// Get camera info: facing, orientation, supported size/fps/format.
// Camera must not be opened.
public static PjCameraInfo GetCameraInfo(int idx)
{
if (idx < 0 || idx >= GetCameraCount())
return null;
Camera cam;
try {
cam = Camera.open(idx);
} catch (Exception e) {
Log.d("IOException", e.getMessage());
return null;
}
PjCameraInfo pjci = new PjCameraInfo();
Camera.CameraInfo ci = new Camera.CameraInfo();
Camera.getCameraInfo(idx, ci);
pjci.facing = ci.facing;
pjci.orient = ci.orientation;
Camera.Parameters param = cam.getParameters();
cam.release();
cam = null;
pjci.supportedFormat = IntegerListToIntArray(
param.getSupportedPreviewFormats());
pjci.supportedFps1000 = IntArrayListToIntArray(
param.getSupportedPreviewFpsRange());
pjci.supportedSize = CameraSizeListToIntArray(
param.getSupportedPreviewSizes());
return pjci;
}
}
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