1 /*
2                                     __
3                                    / _|
4   __ _ _   _ _ __ ___  _ __ __ _  | |_ ___  ___ ___
5  / _` | | | | '__/ _ \| '__/ _` | |  _/ _ \/ __/ __|
6 | (_| | |_| | | | (_) | | | (_| | | || (_) \__ \__ \
7  \__,_|\__,_|_|  \___/|_|  \__,_| |_| \___/|___/___/
8 
9 Copyright (C) 2018-2019 Aurora Free Open Source Software.
10 
11 This file is part of the Aurora Free Open Source Software. This
12 organization promote free and open source software that you can
13 redistribute and/or modify under the terms of the GNU Lesser General
14 Public License Version 3 as published by the Free Software Foundation or
15 (at your option) any later version approved by the Aurora Free Open Source
16 Software Organization. The license is available in the package root path
17 as 'LICENSE' file. Please review the following information to ensure the
18 GNU Lesser General Public License version 3 requirements will be met:
19 https://www.gnu.org/licenses/lgpl.html .
20 
21 Alternatively, this file may be used under the terms of the GNU General
22 Public License version 3 or later as published by the Free Software
23 Foundation. Please review the following information to ensure the GNU
24 General Public License requirements will be met:
25 http://www.gnu.org/licenses/gpl-3.0.html.
26 
27 NOTE: All products, services or anything associated to trademarks and
28 service marks used or referenced on this file are the property of their
29 respective companies/owners or its subsidiaries. Other names and brands
30 may be claimed as the property of others.
31 
32 For more info about intellectual property visit: aurorafoss.org or
33 directly send an email to: contact (at) aurorafoss.org .
34 */
35 
36 module aurorafw.audio.input;
37 
38 import aurorafw.audio.utils : AudioInfo;
39 import aurorafw.core.debugmanager;
40 import aurorafw.audio.sndfile;
41 
42 import std.string : toStringz;
43 
44 protected int audioInputCallback() {
45 	pragma(msg, debugMsgPrefix, "TODO: Implement audioInputCallback()");
46 	return 0;
47 }
48 
49 class AudioIStream {
50 	this(const string path, AudioInfo audioInfo, int bufferSize) {
51 		this.path = path;
52 		this.audioInfo = audioInfo;
53 		this.bufferSize = bufferSize;
54 
55 		buffer = new float[bufferSize * audioInfo.channels];
56 
57 		audioInfo._sndFile = sf_open(path.toStringz, SFM_WRITE, audioInfo._sndInfo);
58 
59 		// soundio_write_stream(...);
60 		pragma(msg, debugMsgPrefix, "TODO: Implement AudioIStream ctor()");
61 	}
62 
63 	void record() {
64 		pragma(msg, debugMsgPrefix, "TODO: Implement record()");
65 		//soundio_start_stream(...);
66 	}
67 
68 	void pause() {
69 		pragma(msg, debugMsgPrefix, "TODO: Implement pause()");
70 		//soundio_stop_stream(...);
71 	}
72 
73 	void stop() {
74 		pragma(msg, debugMsgPrefix, "TODO: Implement stop()");
75 		_streamPosFrame = 0;
76 
77 		//soundio_stop_stream(...);
78 	}
79 
80 	bool isRecording() {
81 		pragma(msg, debugMsgPrefix, "TODO: Implement isRecording()");
82 		//return soundio_is_stream_active(...);
83 		return 0;
84 	}
85 
86 	bool isPaused() {
87 		pragma(msg, debugMsgPrefix, "TODO: Implement isPaused()");
88 		//return !soundio_is_stream_active(...) && _streamPosFrame != 0;
89 		return 0;
90 	}
91 
92 	bool isStopped() {
93 		pragma(msg, debugMsgPrefix, "TODO: Implement isStopped()");
94 		//return !soundio_is_stream_active(...)
95 		return 0;
96 	}
97 
98 	bool isBufferFull() {
99 		pragma(msg, debugMsgPrefix, "TODO: Implement isBufferFull()");
100 		return 0;
101 	}
102 	void clearBuffer() {
103 		pragma(msg, debugMsgPrefix, "TODO: Implement clearBuffer()");
104 	}
105 
106 	void clearBuffer(uint start, uint finish) {
107 		pragma(msg, debugMsgPrefix, "TODO: Implement clearBuffer(uint start, uint finish)");
108 	}
109 
110 	bool save() {
111 		if(sf_write_float(audioInfo._sndFile, buffer.ptr, bufferSize) == -1)
112 			return false;
113 		return true;
114 	}
115 
116 	immutable string path;
117 	AudioInfo audioInfo;
118 	pragma(msg, debugMsgPrefix, "TODO: Define wether the buffer should be public or private");
119 	float[] buffer;
120 	immutable uint bufferSize;
121 
122 private:
123 	//soundioStream soundioStream;
124 	uint _streamPosFrame;
125 }