1 |
schoenebeck |
888 |
/*************************************************************************** |
2 |
|
|
* * |
3 |
|
|
* LinuxSampler - modular, streaming capable sampler * |
4 |
|
|
* * |
5 |
|
|
* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
6 |
|
|
* Copyright (C) 2005, 2006 Christian Schoenebeck * |
7 |
|
|
* * |
8 |
|
|
* This program is free software; you can redistribute it and/or modify * |
9 |
|
|
* it under the terms of the GNU General Public License as published by * |
10 |
|
|
* the Free Software Foundation; either version 2 of the License, or * |
11 |
|
|
* (at your option) any later version. * |
12 |
|
|
* * |
13 |
|
|
* This program is distributed in the hope that it will be useful, * |
14 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
15 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
16 |
|
|
* GNU General Public License for more details. * |
17 |
|
|
* * |
18 |
|
|
* You should have received a copy of the GNU General Public License * |
19 |
|
|
* along with this program; if not, write to the Free Software * |
20 |
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
21 |
|
|
* MA 02111-1307 USA * |
22 |
|
|
***************************************************************************/ |
23 |
|
|
|
24 |
|
|
#include "EngineChannel.h" |
25 |
|
|
|
26 |
schoenebeck |
973 |
#include <algorithm> |
27 |
|
|
|
28 |
|
|
#include "../drivers/midi/MidiInstrumentMapper.h" |
29 |
|
|
|
30 |
|
|
#define NO_MIDI_INSTRUMENT_MAP -1 |
31 |
|
|
#define DEFAULT_MIDI_INSTRUMENT_MAP -2 |
32 |
|
|
|
33 |
schoenebeck |
888 |
namespace LinuxSampler { |
34 |
|
|
|
35 |
|
|
EngineChannel::EngineChannel() { |
36 |
|
|
iMute = 0; |
37 |
|
|
bSolo = false; |
38 |
schoenebeck |
947 |
uiMidiBankMsb = 0; |
39 |
|
|
uiMidiBankLsb = 0; |
40 |
|
|
uiMidiProgram = 0; |
41 |
schoenebeck |
973 |
bProgramChangeReceived = bMidiBankMsbReceived = bMidiBankLsbReceived = false; |
42 |
|
|
iMidiInstrumentMap = NO_MIDI_INSTRUMENT_MAP; |
43 |
schoenebeck |
888 |
} |
44 |
|
|
|
45 |
|
|
void EngineChannel::SetMute(int state) throw (Exception) { |
46 |
|
|
if(iMute == state) return; |
47 |
|
|
if(state < -1 || state > 1) |
48 |
|
|
throw Exception("Invalid Mute state: " + ToString(state)); |
49 |
|
|
|
50 |
|
|
iMute = state; |
51 |
|
|
|
52 |
|
|
StatusChanged(true); |
53 |
|
|
} |
54 |
|
|
|
55 |
|
|
int EngineChannel::GetMute() { |
56 |
|
|
return iMute; |
57 |
|
|
} |
58 |
|
|
|
59 |
|
|
void EngineChannel::SetSolo(bool solo) { |
60 |
|
|
if(bSolo == solo) return; |
61 |
|
|
bSolo = solo; |
62 |
|
|
StatusChanged(true); |
63 |
|
|
} |
64 |
|
|
|
65 |
|
|
bool EngineChannel::GetSolo() { |
66 |
|
|
return bSolo; |
67 |
|
|
} |
68 |
|
|
|
69 |
schoenebeck |
973 |
/* |
70 |
|
|
We use a workaround for MIDI devices (i.e. old keyboards) which either |
71 |
|
|
only send bank select MSB or only bank select LSB messages. Bank |
72 |
|
|
selects will be modified according to the following table: |
73 |
|
|
|
74 |
|
|
MIDI Sequence received: -> GetMidiBankMsb()= | GetMidiBankLsb()= |
75 |
|
|
--------------------------------------------------------------------------- |
76 |
|
|
program change -> 0 | 0 |
77 |
|
|
bank LSB, program change -> 0 | LSB value |
78 |
|
|
bank MSB, program change -> 0 | MSB value |
79 |
|
|
bank LSB, bank MSB, program change -> MSB value | LSB value |
80 |
|
|
bank MSB, bank LSB, program change -> MSB value | LSB value |
81 |
|
|
--------------------------------------------------------------------------- |
82 |
|
|
|
83 |
|
|
That way we ensure those limited devices always to switch between the |
84 |
|
|
following set of MIDI instrument banks: { 0, 1, 2, ..., 127 } |
85 |
|
|
*/ |
86 |
|
|
|
87 |
schoenebeck |
947 |
uint8_t EngineChannel::GetMidiProgram() { |
88 |
|
|
return uiMidiProgram; // AFAIK atomic on all systems |
89 |
|
|
} |
90 |
|
|
|
91 |
|
|
void EngineChannel::SetMidiProgram(uint8_t Program) { |
92 |
schoenebeck |
973 |
bProgramChangeReceived = true; |
93 |
schoenebeck |
947 |
uiMidiProgram = Program; // AFAIK atomic on all systems |
94 |
|
|
} |
95 |
|
|
|
96 |
|
|
uint8_t EngineChannel::GetMidiBankMsb() { |
97 |
schoenebeck |
973 |
return (bMidiBankMsbReceived && bMidiBankLsbReceived) ? uiMidiBankMsb : 0; |
98 |
schoenebeck |
947 |
} |
99 |
|
|
|
100 |
|
|
void EngineChannel::SetMidiBankMsb(uint8_t BankMSB) { |
101 |
schoenebeck |
973 |
if (bProgramChangeReceived) |
102 |
|
|
bProgramChangeReceived = bMidiBankLsbReceived = false; |
103 |
|
|
bMidiBankMsbReceived = true; |
104 |
schoenebeck |
947 |
uiMidiBankMsb = BankMSB; // AFAIK atomic on all systems |
105 |
|
|
} |
106 |
|
|
|
107 |
|
|
uint8_t EngineChannel::GetMidiBankLsb() { |
108 |
schoenebeck |
973 |
return (!bMidiBankMsbReceived && !bMidiBankLsbReceived) |
109 |
|
|
? 0 |
110 |
|
|
: (bMidiBankMsbReceived && !bMidiBankLsbReceived) |
111 |
|
|
? uiMidiBankMsb |
112 |
|
|
: uiMidiBankLsb; |
113 |
schoenebeck |
947 |
} |
114 |
|
|
|
115 |
|
|
void EngineChannel::SetMidiBankLsb(uint8_t BankLSB) { |
116 |
schoenebeck |
973 |
if (bProgramChangeReceived) |
117 |
|
|
bProgramChangeReceived = bMidiBankMsbReceived = false; |
118 |
|
|
bMidiBankLsbReceived = true; |
119 |
schoenebeck |
947 |
uiMidiBankLsb = BankLSB; // AFAIK atomic on all systems |
120 |
|
|
} |
121 |
|
|
|
122 |
schoenebeck |
973 |
bool EngineChannel::UsesNoMidiInstrumentMap() { |
123 |
|
|
return (iMidiInstrumentMap == NO_MIDI_INSTRUMENT_MAP); |
124 |
|
|
} |
125 |
|
|
|
126 |
|
|
bool EngineChannel::UsesDefaultMidiInstrumentMap() { |
127 |
|
|
return (iMidiInstrumentMap == DEFAULT_MIDI_INSTRUMENT_MAP); |
128 |
|
|
} |
129 |
|
|
|
130 |
|
|
int EngineChannel::GetMidiInstrumentMap() throw (Exception) { |
131 |
|
|
if (UsesNoMidiInstrumentMap()) |
132 |
|
|
throw Exception("EngineChannel is using no MIDI instrument map"); |
133 |
|
|
if (UsesDefaultMidiInstrumentMap()) |
134 |
|
|
throw Exception("EngineChannel is using default MIDI instrument map"); |
135 |
|
|
// check if the stored map still exists in the MIDI instrument mapper |
136 |
|
|
std::vector<int> maps = MidiInstrumentMapper::Maps(); |
137 |
|
|
if (find(maps.begin(), maps.end(), iMidiInstrumentMap) == maps.end()) { |
138 |
|
|
// it doesn't exist anymore, so fall back to NONE and throw an exception |
139 |
|
|
iMidiInstrumentMap = NO_MIDI_INSTRUMENT_MAP; |
140 |
|
|
throw Exception("Assigned MIDI instrument map doesn't exist anymore, falling back to NONE"); |
141 |
|
|
} |
142 |
|
|
return iMidiInstrumentMap; |
143 |
|
|
} |
144 |
|
|
|
145 |
|
|
void EngineChannel::SetMidiInstrumentMapToNone() { |
146 |
|
|
iMidiInstrumentMap = NO_MIDI_INSTRUMENT_MAP; |
147 |
|
|
} |
148 |
|
|
|
149 |
|
|
void EngineChannel::SetMidiInstrumentMapToDefault() { |
150 |
|
|
iMidiInstrumentMap = DEFAULT_MIDI_INSTRUMENT_MAP; |
151 |
|
|
} |
152 |
|
|
|
153 |
|
|
void EngineChannel::SetMidiInstrumentMap(int MidiMap) throw (Exception) { |
154 |
|
|
// check if given map actually exists in the MIDI instrument mapper |
155 |
|
|
std::vector<int> maps = MidiInstrumentMapper::Maps(); |
156 |
|
|
if (find(maps.begin(), maps.end(), MidiMap) == maps.end()) |
157 |
|
|
throw Exception("MIDI instrument map doesn't exist"); |
158 |
|
|
iMidiInstrumentMap = MidiMap; // assign the new map ID |
159 |
|
|
} |
160 |
|
|
|
161 |
schoenebeck |
888 |
} // namespace LinuxSampler |