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_CPULSEAUDIO_CLIENT_H__
18 #define __TIZEN_MEDIA_AUDIO_IO_CPULSEAUDIO_CLIENT_H__
24 #include <pulse/pulseaudio.h>
25 #include <pulse/ext-policy.h>
28 namespace tizen_media_audio {
34 class CPulseAudioVolume;
35 class CPulseAudioPolicy;
36 class CPulseStreamSpec;
37 class CPulseAudioClient {
39 enum class EStreamDirection : unsigned int {
40 STREAM_DIRECTION_RECORD, /**< Record stream */
41 STREAM_DIRECTION_PLAYBACK /**< Playback stream */
45 static const char* CLIENT_NAME;
47 /* Constructor & Destructor */
48 CPulseAudioClient(EStreamDirection direction,
49 CPulseStreamSpec& spec,
50 IPulseStreamListener* listener);
53 /* Implemented Methods */
54 void initialize() throw (CAudioError);
58 int peek(const void** data, size_t* length) throw (CAudioError);
59 int drop() throw (CAudioError);
60 int write(const void* data, size_t length) throw (CAudioError);
62 void cork(bool cork) throw (CAudioError);
63 bool isCorked() throw (CAudioError);
65 bool drain() throw (CAudioError);
66 bool flush() throw (CAudioError);
68 void checkRunningState() throw (CAudioError);
69 bool isInThread() throw (CAudioError);
71 size_t getWritableSize() throw (CAudioError);
72 size_t getReadableSize() throw (CAudioError);
74 size_t getBufferSize() throw (CAudioError);
76 pa_usec_t getLatency() throw (CAudioError);
77 pa_usec_t getFinalLatency() throw (CAudioError);
80 EStreamDirection getStreamDirection();
81 CPulseStreamSpec getStreamSpec();
85 EStreamDirection __mDirection;
86 CPulseStreamSpec __mSpec;
87 IPulseStreamListener* __mpListener;
89 pa_threaded_mainloop* __mpMainloop;
90 pa_context* __mpContext;
91 pa_stream* __mpStream;
92 pa_proplist* __mpPropList;
95 bool __mIsOperationSuccess;
101 /* Private Calblack Method */
102 static void __contextStateChangeCb(pa_context* c, void* user_data);
103 static void __successContextCb(pa_context* c, int success, void* user_data);
105 static void __streamStateChangeCb(pa_stream* s, void* user_data);
106 static void __streamCaptureCb(pa_stream* s, size_t length, void* user_data);
107 static void __streamPlaybackCb(pa_stream* s, size_t length, void* user_data);
108 static void __streamLatencyUpdateCb(pa_stream* s, void* user_data);
109 static void __successStreamCb(pa_stream* s, int success, void* user_data);
113 } /* namespace tizen_media_audio */
116 #endif /* __TIZEN_MEDIA_AUDIO_IO_CPULSEAUDIO_CLIENT_H__ */