Separate publishing control from camera preview

Signed-off-by: Leo Ma <begeekmyfriend@gmail.com>

app/src/main/java/net/ossrs/yasea/demo/MainActivity.java

@@ -72,6 +72,8 @@ public class MainActivity extends AppCompatActivity implements RtmpHandler.RtmpL
         mPublisher.setRtmpHandler(new RtmpHandler(this));
         mPublisher.setRecordHandler(new SrsRecordHandler(this));
         mPublisher.setPreviewResolution(640, 480);
+        mPublisher.setOutputResolution(720, 1280);
+        mPublisher.setVideoHDMode();
 
         btnPublish.setOnClickListener(new View.OnClickListener() {
             @Override
@@ -82,8 +84,7 @@ public class MainActivity extends AppCompatActivity implements RtmpHandler.RtmpL
                     editor.putString("rtmpUrl", rtmpUrl);
                     editor.apply();
 
-                    mPublisher.setOutputResolution(720, 1280);
-                    mPublisher.setVideoHDMode();
+                    mPublisher.startCamera();
                     mPublisher.startPublish(rtmpUrl);
 
                     if (btnSwitchEncoder.getText().toString().contentEquals("soft encoder")) {

library/src/main/java/net/ossrs/yasea/SrsCameraView.java

@@ -215,7 +215,7 @@ public class SrsCameraView extends GLSurfaceView implements GLSurfaceView.Render
         return mCamId;
     }
 
-    public boolean startCamera() {
+    public void enableEncoding() {
         worker = new Thread(new Runnable() {
             @Override
             public void run() {
@@ -238,7 +238,23 @@ public class SrsCameraView extends GLSurfaceView implements GLSurfaceView.Render
             }
         });
         worker.start();
+    }
 
+    public void disableEncoding() {
+        if (worker != null) {
+            worker.interrupt();
+            try {
+                worker.join();
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+                worker.interrupt();
+            }
+            mGLIntBufferCache.clear();
+            worker = null;
+        }
+    }
+
+    public boolean startCamera() {
         if (mCamera == null) {
             mCamera = openCamera();
             if (mCamera == null) {
@@ -283,17 +299,7 @@ public class SrsCameraView extends GLSurfaceView implements GLSurfaceView.Render
     }
 
     public void stopCamera() {
-        if (worker != null) {
-            worker.interrupt();
-            try {
-                worker.join();
-            } catch (InterruptedException e) {
-                e.printStackTrace();
-                worker.interrupt();
-            }
-            mGLIntBufferCache.clear();
-            worker = null;
-        }
+        disableEncoding();
 
         if (mCamera != null) {
             mCamera.stopPreview();

library/src/main/java/net/ossrs/yasea/SrsPublisher.java

@@ -61,6 +61,14 @@ public class SrsPublisher {
         }
     }
 
+    public void startCamera() {
+        mCameraView.startCamera();
+    }
+
+    public void stopCamera() {
+        mCameraView.stopCamera();
+    }
+
     public void startEncode() {
         if (!mEncoder.start()) {
             return;
@@ -85,10 +93,7 @@ public class SrsPublisher {
             }
         }
 
-        if (!mCameraView.startCamera()) {
-            mEncoder.stop();
-            return;
-        }
+        mCameraView.enableEncoding();
 
         aworker = new Thread(new Runnable() {
             @Override
@@ -103,7 +108,7 @@ public class SrsPublisher {
 
     public void stopEncode() {
         stopAudio();
-        mCameraView.stopCamera();
+        stopCamera();
         mEncoder.stop();
     }