Simplification

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

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

@@ -111,15 +111,12 @@ public class SrsCameraView extends GLSurfaceView implements GLSurfaceView.Render
         magicFilter.setTextureTransformMatrix(mtx);
 
         magicFilter.onDrawFrameOES(mTextureId);
-
-        if (magicFilter.getFilterType() != MagicFilterType.NONE) {
         magicFilter.onDrawToTextureOES(mTextureId);
         mGLIntBufferCache.add(magicFilter.getGlFboBuffer());
         synchronized (writeLock) {
             writeLock.notifyAll();
         }
     }
-    }
 
     @Override
     public void onPreviewFrame(byte[] data, Camera camera) {
@@ -154,7 +151,6 @@ public class SrsCameraView extends GLSurfaceView implements GLSurfaceView.Render
                     magicFilter.onInputSizeChanged(mPreviewWidth, mPreviewHeight);
                     magicFilter.onDisplaySizeChanged(mSurfaceWidth, mSurfaceHeight);
                 }
-                switchCameraFilter();
             }
         });
         requestRender();
@@ -251,8 +247,6 @@ public class SrsCameraView extends GLSurfaceView implements GLSurfaceView.Render
 
         mCamera.setDisplayOrientation(mPreviewRotation);
 
-        switchCameraFilter();
-
         try {
             mCamera.setPreviewTexture(surfaceTexture);
         } catch (IOException e) {
@@ -301,15 +295,6 @@ public class SrsCameraView extends GLSurfaceView implements GLSurfaceView.Render
         return closestRange;
     }
 
-    private void switchCameraFilter() {
-        if (magicFilter != null && magicFilter.getFilterType() == MagicFilterType.NONE) {
-            mCamera.addCallbackBuffer(mYuvPreviewBuffer);
-            mCamera.setPreviewCallbackWithBuffer(this);
-        } else {
-            mCamera.setPreviewCallback(null);
-        }
-    }
-
     public interface PreviewCallback {
 
         void onGetYuvFrame(byte[] data);