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__
22 #include <sound_manager.h>
24 #include <condition_variable>
26 namespace tizen_media_audio {
31 * You can't take this object directly.
33 class IPulseStreamListener;
34 class CAudioIO : public IPulseStreamListener {
36 struct SStreamCallback {
38 void (*onStream)(size_t nbytes, void* user_data) {};
40 void set(void (*callback)(size_t, void*), void* userdata) {
51 struct SStateChangedCallback {
53 void (*onStateChanged)(CAudioInfo::EAudioIOState state, CAudioInfo::EAudioIOState statePrev, bool byPolicy, void* user_data) {};
55 void set(void (*callback)(CAudioInfo::EAudioIOState, CAudioInfo::EAudioIOState, bool, void*), void* userdata) {
56 onStateChanged = callback;
61 onStateChanged = nullptr;
66 /* Constructor & Destructor */
67 explicit CAudioIO(CAudioInfo& audioInfo);
68 virtual ~CAudioIO() = default;
70 /* Implemented Handlers */
71 virtual void onStream(CPulseAudioClient* pClient, size_t length);
72 virtual void onStateChanged(CAudioInfo::EAudioIOState state, bool byPolicy);
73 virtual void onStateChanged(CAudioInfo::EAudioIOState state);
74 virtual void onCorked(CPulseAudioClient* pClient, bool corked);
77 virtual void initialize();
78 virtual void finalize();
79 virtual void prepare();
80 virtual void unprepare();
82 virtual void resume();
84 virtual int getBufferSize() = 0;
86 CAudioInfo& getAudioInfo();
88 virtual void setStreamCallback(SStreamCallback callback);
89 SStreamCallback getStreamCallback();
91 virtual void setStateChangedCallback(SStateChangedCallback callback);
92 SStateChangedCallback getStateChangedCallback();
94 void setStreamInfo(sound_stream_info_h stream_info);
96 void setState(CAudioInfo::EAudioIOState state);
97 CAudioInfo::EAudioIOState getState() noexcept;
100 /* Protected Methods */
101 virtual void setInit(bool flag);
102 virtual bool isInit();
103 virtual bool IsReady();
105 CPulseAudioClient* mpPulseAudioClient {};
106 CAudioInfo mAudioInfo;
108 SStreamCallback mStreamCallback;
109 SStateChangedCallback mStateChangedCallback;
111 CAudioInfo::EAudioDirection mDirection { CAudioInfo::EAudioDirection::AUDIO_DIRECTION_MAX };
112 CAudioInfo::EAudioIOState mState { CAudioInfo::EAudioIOState::AUDIO_IO_STATE_NONE };
113 CAudioInfo::EAudioIOState mStatePrev { CAudioInfo::EAudioIOState::AUDIO_IO_STATE_NONE };
115 std::timed_mutex mMutex;
116 std::mutex mCondMutex;
117 std::condition_variable mCond;
124 } /* namespace tizen_media_audio */
127 #endif /* __TIZEN_MEDIA_AUDIO_IO_CAUDIO_IO_H__ */