2 * Copyright (c) 2015 Samsung Electronics Co., Ltd All Rights Reserved
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #ifndef __TIZEN_MEDIA_AUDIO_IO_CAUDIO_IO_H__
18 #define __TIZEN_MEDIA_AUDIO_IO_CAUDIO_IO_H__
20 #include <sound_manager.h>
25 namespace tizen_media_audio {
30 * You can't take this object directly.
32 class IPulseStreamListener;
33 class CAudioIO : public IPulseStreamListener {
35 struct SStreamCallback {
37 void (*onStream)(size_t nbytes, void* user_data);
39 SStreamCallback() : mUserData(NULL), onStream(NULL)
43 struct SStateChangedCallback {
45 void (*onStateChanged)(CAudioInfo::EAudioIOState state, CAudioInfo::EAudioIOState statePrev, bool byPolicy, void* user_data);
47 SStateChangedCallback() : mUserData(NULL), onStateChanged(NULL)
51 /* Constructor & Destructor */
53 CAudioIO(CAudioInfo& audioInfo);
56 /* Pure Virtual Methods */
57 virtual void initialize() = 0;
58 virtual void finalize() = 0;
60 virtual void prepare() = 0;
61 virtual void unprepare() = 0;
63 virtual void pause() = 0;
64 virtual void resume() = 0;
66 virtual void drain() = 0;
67 virtual void flush() = 0;
69 virtual int getBufferSize() = 0;
71 /* Implemented Handlers */
72 virtual void onStream(CPulseAudioClient* pClient, size_t length);
73 virtual void onStateChanged(CAudioInfo::EAudioIOState state, bool byPolicy);
74 virtual void onStateChanged(CAudioInfo::EAudioIOState state);
77 CAudioInfo& getAudioInfo();
79 virtual void setStreamCallback(SStreamCallback callback);
80 SStreamCallback getStreamCallback();
82 virtual void setStateChangedCallback(SStateChangedCallback callback);
83 SStateChangedCallback getStateChangedCallback();
85 void setStreamInfo(sound_stream_info_h stream_info);
87 CAudioInfo::EAudioIOState getState();
90 /* Protected Methods */
91 virtual void setInit(bool flag);
92 virtual bool isInit();
93 virtual bool IsReady();
96 void internalUnlock();
98 void internalSignal();
100 CPulseAudioClient* mpPulseAudioClient;
101 CAudioInfo mAudioInfo;
103 SStreamCallback mStreamCallback;
104 SStateChangedCallback mStateChangedCallback;
106 CAudioInfo::EAudioDirection mDirection;
107 CAudioInfo::EAudioIOState mState;
108 CAudioInfo::EAudioIOState mStatePrev;
112 pthread_mutex_t __mMutex;
113 pthread_mutex_t __mCondMutex;
114 pthread_cond_t __mCond;
119 } /* namespace tizen_media_audio */
122 #endif /* __TIZEN_MEDIA_AUDIO_IO_CAUDIO_IO_H__ */