diff options
Diffstat (limited to 'pjmedia/src/pjmedia-videodev/android/PjCamera.java')
| -rw-r--r-- | pjmedia/src/pjmedia-videodev/android/PjCamera.java | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/pjmedia/src/pjmedia-videodev/android/PjCamera.java b/pjmedia/src/pjmedia-videodev/android/PjCamera.java new file mode 100644 index 00000000..a192a9b3 --- /dev/null +++ b/pjmedia/src/pjmedia-videodev/android/PjCamera.java @@ -0,0 +1,210 @@ +/* $Id$ */
+/*
+ * 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 android.graphics.SurfaceTexture;
+import android.hardware.Camera;
+import android.util.Log;
+import android.view.SurfaceView;
+import android.view.SurfaceHolder;
+
+import java.io.IOException;
+
+public class PjCamera implements Camera.PreviewCallback, SurfaceHolder.Callback
+{
+ private final String TAG = "PjCamera";
+
+ public class Param {
+ public int width;
+ public int height;
+ public int format;
+ public int fps1000;
+ }
+
+ private Camera camera = null;
+ private boolean isRunning = false;
+ private int camIdx;
+ private long userData;
+
+ private Param param = null;
+
+ private SurfaceView surfaceView = null;
+ private SurfaceHolder surfaceHolder = null;
+ private SurfaceTexture surfaceTexture = null;
+
+ public PjCamera(int idx, int w, int h, int fmt, int fps,
+ long userData_, SurfaceView surface)
+ {
+ camIdx = idx;
+ userData = userData_;
+
+ param = new Param();
+ param.width = w;
+ param.height = h;
+ param.format = fmt;
+ param.fps1000 = fps;
+
+ SetSurfaceView(surface);
+ }
+
+ public void SetSurfaceView(SurfaceView surface)
+ {
+ boolean isCaptureRunning = isRunning;
+
+ if (isCaptureRunning)
+ Stop();
+
+ if (surface != null) {
+ surfaceView = surface;
+ surfaceHolder = surfaceView.getHolder();
+ } else {
+ // Create dummy texture
+ surfaceHolder = null;
+ surfaceView = null;
+ if (surfaceTexture == null) {
+ surfaceTexture = new SurfaceTexture(10);
+ }
+ }
+
+ if (isCaptureRunning)
+ Start();
+ }
+
+ public int SwitchDevice(int idx)
+ {
+ boolean isCaptureRunning = isRunning;
+ int oldIdx = camIdx;
+
+ if (isCaptureRunning)
+ Stop();
+
+ camIdx = idx;
+
+ if (isCaptureRunning) {
+ int ret = Start();
+ if (ret != 0) {
+ /* Try to revert back */
+ camIdx = oldIdx;
+ Start();
+ return ret;
+ }
+ }
+
+ return 0;
+ }
+
+ public int Start()
+ {
+ try {
+ camera = Camera.open(camIdx);
+ } catch (Exception e) {
+ Log.d("IOException", e.getMessage());
+ return -10;
+ }
+
+ try {
+ if (surfaceHolder != null) {
+ camera.setPreviewDisplay(surfaceHolder);
+ surfaceHolder.addCallback(this);
+ } else {
+ camera.setPreviewTexture(surfaceTexture);
+ }
+ } catch (IOException e) {
+ Log.d("IOException", e.getMessage());
+ return -20;
+ }
+
+ Camera.Parameters cp = camera.getParameters();
+ cp.setPreviewSize(param.width, param.height);
+ cp.setPreviewFormat(param.format);
+ // Some devices such as Nexus require an exact FPS range from the
+ // supported FPS ranges, specifying a subset range will raise
+ // exception.
+ //cp.setPreviewFpsRange(param.fps1000, param.fps1000);
+ try {
+ camera.setParameters(cp);
+ } catch (RuntimeException e) {
+ Log.d("RuntimeException", e.getMessage());
+ return -30;
+ }
+
+ camera.setPreviewCallback(this);
+ camera.startPreview();
+ isRunning = true;
+
+ return 0;
+ }
+
+ public void Stop()
+ {
+ isRunning = false;
+ if (camera == null)
+ return;
+
+ if (surfaceHolder != null)
+ surfaceHolder.removeCallback(this);
+
+ camera.setPreviewCallback(null);
+ camera.stopPreview();
+ camera.release();
+ camera = null;
+ }
+
+ native void PushFrame(byte[] data, int length, long userData_);
+
+ public void onPreviewFrame(byte[] data, Camera camera)
+ {
+ if (isRunning) {
+ PushFrame(data, data.length, userData);
+ }
+ }
+
+ public void surfaceChanged(SurfaceHolder holder,
+ int format, int width, int height)
+ {
+ Log.d(TAG, "VideoCaptureAndroid::surfaceChanged");
+ }
+
+ public void surfaceCreated(SurfaceHolder holder)
+ {
+ Log.d(TAG, "VideoCaptureAndroid::surfaceCreated");
+ try {
+ if(camera != null) {
+ camera.setPreviewDisplay(holder);
+ }
+ } catch (IOException e) {
+ Log.e(TAG, "Failed to set preview surface!", e);
+ }
+ }
+
+ public void surfaceDestroyed(SurfaceHolder holder)
+ {
+ Log.d(TAG, "VideoCaptureAndroid::surfaceDestroyed");
+ try {
+ if(camera != null) {
+ camera.setPreviewDisplay(null);
+ }
+ } catch (IOException e) {
+ Log.e(TAG, "Failed to clear preview surface!", e);
+ } catch (RuntimeException e) {
+ Log.w(TAG, "Clear preview surface useless", e);
+ }
+ }
+
+}
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