1 	/* -----------------------------------------------------------------------------
2  *
3  * Giada - Your Hardcore Loopmachine
4  *
5  * -----------------------------------------------------------------------------
6  *
7  * Copyright (C) 2010-2020 Giovanni A. Zuliani | Monocasual
8  *
9  * This file is part of Giada - Your Hardcore Loopmachine.
10  *
11  * Giada - Your Hardcore Loopmachine is free software: you can
12  * redistribute it and/or modify it under the terms of the GNU General
13  * Public License as published by the Free Software Foundation, either
14  * version 3 of the License, or (at your option) any later version.
15  *
16  * Giada - Your Hardcore Loopmachine is distributed in the hope that it
17  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
18  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
19  * See the GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with Giada - Your Hardcore Loopmachine. If not, see
23  * <http://www.gnu.org/licenses/>.
24  *
25  * -------------------------------------------------------------------------- */
26 
27 
28 #ifndef G_GLUE_CHANNEL_H
29 #define G_GLUE_CHANNEL_H
30 
31 
32 #include <optional>
33 #include <atomic>
34 #include <string>
35 #include <vector>
36 #include "core/model/model.h"
37 #include "core/types.h"
38 
39 
40 namespace giada {
41 namespace m
42 {
43 class Channel;
44 class SamplePlayer;
45 }
46 namespace c {
47 namespace channel
48 {
49 struct SampleData
50 {
51 	SampleData() = delete;
52 	SampleData(const m::SamplePlayer&, const m::AudioReceiver&);
53 
54 	Frame a_getTracker() const;
55 	Frame a_getBegin() const;
56 	Frame a_getEnd() const;
57 	bool  a_getInputMonitor() const;
58 	bool  a_getOverdubProtection() const;
59 
60 	ID               waveId;
61 	SamplePlayerMode mode;
62 	bool             isLoop;
63 	float            pitch;
64 
65 private:
66 
67 	const m::SamplePlayer*  m_samplePlayer;
68 	const m::AudioReceiver* m_audioReceiver;
69 };
70 
71 struct MidiData
72 {
73 	MidiData() = delete;
74 	MidiData(const m::MidiSender&);
75 
76 	bool a_isOutputEnabled() const;
77 	int  a_getFilter() const;
78 
79 private:
80 
81 	const m::MidiSender* m_midiSender;
82 };
83 
84 struct Data
85 {
86 	Data(const m::Channel&);
87 
88 	bool a_getMute() const;
89 	bool a_getSolo() const;
90 	ChannelStatus a_getPlayStatus() const;
91 	ChannelStatus a_getRecStatus() const;
92 	bool a_getReadActions() const;
93 	bool a_isArmed() const;
94 	bool a_isRecordingInput() const;
95 	bool a_isRecordingAction() const;
96 
97 	ID              id;
98 	ID              columnId;
99 #ifdef WITH_VST
100 	std::vector<ID> pluginIds;
101 #endif
102 	ChannelType     type;
103 	Pixel           height;
104 	std::string     name;
105 	float           volume;
106 	float           pan;
107 	int             key;
108 	bool            hasActions;
109 
110 	std::optional<SampleData> sample;
111 	std::optional<MidiData>   midi;
112 
113 private:
114 
115 	const m::Channel& m_channel;
116 };
117 
118 /* getChannels
119 Returns a single viewModel object filled with data from a channel. */
120 
121 Data getData(ID channelId);
122 
123 /* getChannels
124 Returns a vector of viewModel objects filled with data from channels. */
125 
126 std::vector<Data> getChannels();
127 
128 /* a_get
129 Returns an atomic property from a Channel, by locking it first. */
130 
131 template <typename T>
a_get(const std::atomic<T> & a)132 T a_get(const std::atomic<T>& a)
133 {
134 	m::model::ChannelsLock l(m::model::channels);
135 	return a.load();
136 }
137 
138 /* addChannel
139 Adds an empty new channel to the stack. */
140 
141 void addChannel(ID columnId, ChannelType type);
142 
143 /* loadChannel
144 Fills an existing channel with a wave. */
145 
146 int loadChannel(ID columnId, const std::string& fname);
147 
148 /* addAndLoadChannel
149 Adds a new Sample Channel and fills it with a wave right away. */
150 
151 void addAndLoadChannel(ID columnId, const std::string& fpath);
152 
153 /* addAndLoadChannels
154 As above, with multiple audio file paths in input. */
155 
156 void addAndLoadChannels(ID columnId, const std::vector<std::string>& fpaths);
157 
158 /* deleteChannel
159 Removes a channel from Mixer. */
160 
161 void deleteChannel(ID channelId);
162 
163 /* freeChannel
164 Unloads the sample from a sample channel. */
165 
166 void freeChannel(ID channelId);
167 
168 /* cloneChannel
169 Makes an exact copy of a channel. */
170 
171 void cloneChannel(ID channelId);
172 
173 /* set*
174 Sets several channel properties. */
175 
176 void setInputMonitor(ID channelId, bool value);
177 void setOverdubProtection(ID channelId, bool value);
178 void setName(ID channelId, const std::string& name);
179 void setHeight(ID channelId, Pixel p);
180 
181 void setSamplePlayerMode(ID channelId, SamplePlayerMode m);
182 }}} // giada::c::channel::
183 
184 #endif
185