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(nullptr), onStream(nullptr) {
43 void set(void (*callback)(size_t, void*), void* userdata) {
54 struct SStateChangedCallback {
56 void (*onStateChanged)(CAudioInfo::EAudioIOState state, CAudioInfo::EAudioIOState statePrev, bool byPolicy, void* user_data);
58 SStateChangedCallback() : mUserData(nullptr), onStateChanged(nullptr) {
62 void set(void (*callback)(CAudioInfo::EAudioIOState, CAudioInfo::EAudioIOState, bool, void*), void* userdata) {
63 onStateChanged = callback;
68 onStateChanged = nullptr;
73 /* Constructor & Destructor */
75 explicit CAudioIO(CAudioInfo& audioInfo);
76 virtual ~CAudioIO() = default;
78 /* Implemented Handlers */
79 virtual void onStream(CPulseAudioClient* pClient, size_t length);
80 virtual void onStateChanged(CAudioInfo::EAudioIOState state, bool byPolicy);
81 virtual void onStateChanged(CAudioInfo::EAudioIOState state);
84 virtual void initialize();
85 virtual void finalize();
86 virtual void prepare();
87 virtual void unprepare();
89 virtual void resume();
91 virtual int getBufferSize() = 0;
93 CAudioInfo& getAudioInfo();
95 virtual void setStreamCallback(SStreamCallback callback);
96 SStreamCallback getStreamCallback();
98 virtual void setStateChangedCallback(SStateChangedCallback callback);
99 SStateChangedCallback getStateChangedCallback();
101 void setStreamInfo(sound_stream_info_h stream_info);
103 CAudioInfo::EAudioIOState getState() noexcept;
106 /* Protected Methods */
107 virtual void setInit(bool flag);
108 virtual bool isInit();
109 virtual bool IsReady();
112 void internalUnlock();
114 void internalSignal();
116 CPulseAudioClient* mpPulseAudioClient;
117 CAudioInfo mAudioInfo;
119 SStreamCallback mStreamCallback;
120 SStateChangedCallback mStateChangedCallback;
122 CAudioInfo::EAudioDirection mDirection;
123 CAudioInfo::EAudioIOState mState;
124 CAudioInfo::EAudioIOState mStatePrev;
128 pthread_mutex_t __mMutex;
129 pthread_mutex_t __mCondMutex;
130 pthread_cond_t __mCond;
135 } /* namespace tizen_media_audio */
138 #endif /* __TIZEN_MEDIA_AUDIO_IO_CAUDIO_IO_H__ */