1 /* 2 * Copyright (c) 2008, 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 ANDROID_AUDIO_OUTPUT_THREADSAFE_CALLBACK_H_INCLUDED 18 #define ANDROID_AUDIO_OUTPUT_THREADSAFE_CALLBACK_H_INCLUDED 19 20 #ifndef THREADSAFE_CALLBACK_AO_H_INCLUDED 21 #include "threadsafe_callback_ao.h" 22 #endif 23 24 #ifndef THREADSAFE_MEMPOOL_H_INCLUDED 25 #include "threadsafe_mempool.h" 26 #endif 27 28 #ifndef OSCL_MEM_MEMPOOL_H_INCLUDED 29 #include "oscl_mem_mempool.h" 30 #endif 31 32 #define PROCESS_MULTIPLE_EVENTS_IN_CALLBACK 1 33 34 const char AudioOutputCallbackAOName[] = "AndroidAudioOutputTSCAO_Name"; 35 36 class AndroidAudioOutputThreadSafeCallbackAO : public ThreadSafeCallbackAO 37 { 38 public: 39 //Constructor 40 AndroidAudioOutputThreadSafeCallbackAO(void* aObserver = NULL, 41 uint32 aDepth=10, 42 const char* aAOname = AudioOutputCallbackAOName, 43 int32 aPriority = OsclActiveObject::EPriorityNominal 44 ); 45 OsclReturnCode ProcessEvent(OsclAny* aEventData); 46 // When the following two have been implemented, make them virtual 47 #if PROCESS_MULTIPLE_EVENTS_IN_CALLBACK 48 virtual void Run(); 49 virtual OsclAny* Dequeue(OsclReturnCode &status); 50 #endif 51 virtual ~AndroidAudioOutputThreadSafeCallbackAO(); 52 ThreadSafeMemPoolFixedChunkAllocator *iMemoryPool; 53 }; 54 55 56 57 #endif //ANDROID_AUDIO_OUTPUT_THREADSAFE_CALLBACK_H_INCLUDED 58 59 60