1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef STREAM_WRAPPER_H_ 18 #define STREAM_WRAPPER_H_ 19 20 #include "jni_defines.h" 21 22 #include <stdint.h> 23 24 class StreamWrapper { 25 public: 26 StreamWrapper(); 27 virtual ~StreamWrapper(); 28 virtual void updateEnv(JNIEnv *env); 29 virtual bool init(JNIEnv *env, jobject stream); 30 virtual void cleanup(); 31 virtual int32_t getBufferSize(); 32 virtual jbyte* getBufferPtr(); 33 34 const static int32_t DEFAULT_BUFFER_SIZE; 35 const static int32_t END_OF_STREAM; 36 protected: 37 JNIEnv *mEnv; 38 jobject mStream; 39 jbyteArray mByteArray; 40 jbyte* mBytes; 41 int32_t mByteArrayLen; 42 }; 43 44 #endif // STREAM_WRAPPER_H_ 45