[Change]

开始USB摄像头的功能集成，还无法获取usb连接广播需要调试

Signed-off-by: donghongyu <donghongyu@zhidaoauto.com>

libraries/map-usbcamera/src/main/java/com/serenegiant/glutils/RenderHolderCallback.java

@@ -0,0 +1,30 @@
+package com.serenegiant.glutils;
+/*
+ * libcommon
+ * utility/helper classes for myself
+ *
+ * Copyright (c) 2014-2018 saki t_saki@serenegiant.com
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+*/
+
+import android.view.Surface;
+
+/**
+ * RenderHolderのコールバックリスナー
+ */
+public interface RenderHolderCallback {
+	public void onCreate(Surface surface);
+	public void onFrameAvailable();
+	public void onDestroy();
+}