/[svn]/qsampler/trunk/src/qsamplerFxSend.cpp
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Contents of /qsampler/trunk/src/qsamplerFxSend.cpp

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Revision 3555 - (show annotations) (download)
Tue Aug 13 10:19:32 2019 UTC (8 days, 12 hours ago) by capela
File size: 6782 byte(s)
- In late compliance to C++11, all NULL constants replaced for nullptr.
1 // qsamplerFxSend.cpp
2 //
3 /****************************************************************************
4 Copyright (C) 2004-2019, rncbc aka Rui Nuno Capela. All rights reserved.
5 Copyright (C) 2008, Christian Schoenebeck
6
7 This program is free software; you can redistribute it and/or
8 modify it under the terms of the GNU General Public License
9 as published by the Free Software Foundation; either version 2
10 of the License, or (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License along
18 with this program; if not, write to the Free Software Foundation, Inc.,
19 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20
21 *****************************************************************************/
22
23 #include "qsamplerAbout.h"
24 #include "qsamplerFxSend.h"
25 #include "qsamplerUtilities.h"
26 #include "qsamplerOptions.h"
27 #include "qsamplerMainForm.h"
28
29 namespace QSampler {
30
31 // marks FxSend objects which don't exist on sampler side yet
32 #define NEW_FX_SEND -1
33
34 FxSend::FxSend(int SamplerChannelID, int FxSendID) :
35 m_iSamplerChannelID(SamplerChannelID),
36 m_iFxSendID(FxSendID), m_bDelete(false), m_bModified(false)
37 {
38 m_MidiCtrl = 91;
39 m_Depth = 0.0f;
40 }
41
42 FxSend::FxSend(int SamplerChannelID) :
43 m_iSamplerChannelID(SamplerChannelID),
44 m_iFxSendID(NEW_FX_SEND), m_bDelete(false), m_bModified(true)
45 {
46 m_MidiCtrl = 91;
47 m_Depth = 0.0f;
48 }
49
50 FxSend::~FxSend() {
51 }
52
53 int FxSend::id() const {
54 return m_iFxSendID;
55 }
56
57 bool FxSend::isNew() const {
58 return m_iFxSendID == NEW_FX_SEND;
59 }
60
61 void FxSend::setDeletion(bool bDelete) {
62 m_bDelete = bDelete;
63 m_bModified = true;
64 }
65
66 bool FxSend::deletion() const {
67 return m_bDelete;
68 }
69
70 void FxSend::setName(const QString& sName) {
71 m_FxSendName = sName;
72 m_bModified = true;
73 }
74
75 bool FxSend::isModified() const {
76 return m_bModified;
77 }
78
79 const QString& FxSend::name() const {
80 return m_FxSendName;
81 }
82
83 void FxSend::setSendDepthMidiCtrl(int iMidiController) {
84 m_MidiCtrl = iMidiController;
85 m_bModified = true;
86 }
87
88 int FxSend::sendDepthMidiCtrl() const {
89 return m_MidiCtrl;
90 }
91
92 void FxSend::setCurrentDepth(float depth) {
93 m_Depth = depth;
94 m_bModified = true;
95 }
96
97 float FxSend::currentDepth() const {
98 return m_Depth;
99 }
100
101 int FxSend::audioChannel(int iAudioSrc) const {
102 if (iAudioSrc < 0 || iAudioSrc >= m_AudioRouting.size())
103 return -1;
104
105 return m_AudioRouting[iAudioSrc];
106 }
107
108 bool FxSend::setAudioChannel(int iAudioSrc, int iAudioDst) {
109 if (iAudioSrc < 0 || iAudioSrc >= m_AudioRouting.size())
110 return false;
111
112 m_AudioRouting[iAudioSrc] = iAudioDst;
113 m_bModified = true;
114
115 return true;
116 }
117
118 const FxSendRoutingMap& FxSend::audioRouting() const {
119 return m_AudioRouting;
120 }
121
122 bool FxSend::getFromSampler() {
123 #if CONFIG_FXSEND
124 m_bModified = false;
125
126 // in case this is a new, actually not yet existing FX send, ignore update
127 if (isNew())
128 return true;
129
130 MainForm *pMainForm = MainForm::getInstance();
131 if (!pMainForm || !pMainForm->client())
132 return false;
133
134 lscp_fxsend_info_t* pFxSendInfo =
135 ::lscp_get_fxsend_info(
136 pMainForm->client(),
137 m_iSamplerChannelID,
138 m_iFxSendID);
139
140 if (!pFxSendInfo) {
141 pMainForm->appendMessagesClient("lscp_get_fxsend_info");
142 return false;
143 }
144
145 m_FxSendName = qsamplerUtilities::lscpEscapedTextToRaw(pFxSendInfo->name);
146 m_MidiCtrl = pFxSendInfo->midi_controller;
147 m_Depth = pFxSendInfo->level;
148
149 m_AudioRouting.clear();
150 if (pFxSendInfo->audio_routing)
151 for (int i = 0; pFxSendInfo->audio_routing[i] != -1; ++i)
152 m_AudioRouting[i] = pFxSendInfo->audio_routing[i];
153
154 return true;
155 #else // CONFIG_FXSEND
156 return false;
157 #endif // CONFIG_FXSEND
158 }
159
160 bool FxSend::applyToSampler() {
161 #if CONFIG_FXSEND
162 MainForm *pMainForm = MainForm::getInstance();
163 if (!pMainForm || !pMainForm->client())
164 return false;
165
166 // in case FX send doesn't exist on sampler side yet, create it
167 if (isNew()) {
168 // doesn't exist and scheduled for deletion? nothing to do
169 if (deletion()) {
170 m_bModified = false;
171 return true;
172 }
173
174 int result =
175 ::lscp_create_fxsend(
176 pMainForm->client(),
177 m_iSamplerChannelID,
178 m_MidiCtrl, nullptr
179 );
180 if (result == -1) {
181 pMainForm->appendMessagesClient("lscp_create_fxsend");
182 return false;
183 }
184 m_iFxSendID = result;
185 }
186
187 lscp_status_t result;
188
189 // delete FX send on sampler side
190 if (deletion()) {
191 result =
192 ::lscp_destroy_fxsend(
193 pMainForm->client(), m_iSamplerChannelID, m_iFxSendID
194 );
195 if (result != LSCP_OK) {
196 pMainForm->appendMessagesClient("lscp_destroy_fxsend");
197 return false;
198 }
199 m_bModified = false;
200 return true;
201 }
202
203 // set FX send depth MIDI controller
204 result =
205 ::lscp_set_fxsend_midi_controller(
206 pMainForm->client(),
207 m_iSamplerChannelID, m_iFxSendID, m_MidiCtrl
208 );
209 if (result != LSCP_OK) {
210 pMainForm->appendMessagesClient("lscp_set_fxsend_midi_controller");
211 return false;
212 }
213
214 #if CONFIG_FXSEND_RENAME
215 // set FX send's name
216 result =
217 ::lscp_set_fxsend_name(
218 pMainForm->client(),
219 m_iSamplerChannelID, m_iFxSendID,
220 qsamplerUtilities::lscpEscapeText(
221 m_FxSendName
222 ).toUtf8().constData()
223 );
224 if (result != LSCP_OK) {
225 pMainForm->appendMessagesClient("lscp_set_fxsend_name");
226 return false;
227 }
228 #endif // CONFIG_FXSEND_RENAME
229
230 // set FX send current send level
231 result =
232 ::lscp_set_fxsend_level(
233 pMainForm->client(),
234 m_iSamplerChannelID, m_iFxSendID, m_Depth
235 );
236 if (result != LSCP_OK) {
237 pMainForm->appendMessagesClient("lscp_set_fxsend_level");
238 return false;
239 }
240
241 // set FX send's audio routing
242 for (int i = 0; i < m_AudioRouting.size(); ++i) {
243 result =
244 ::lscp_set_fxsend_audio_channel(
245 pMainForm->client(), m_iSamplerChannelID, m_iFxSendID,
246 i, /*audio source*/
247 m_AudioRouting[i] /*audio destination*/
248 );
249 if (result != LSCP_OK) {
250 pMainForm->appendMessagesClient("lscp_set_fxsend_audio_channel");
251 return false;
252 }
253 }
254
255 m_bModified = false;
256 return true;
257 #else // CONFIG_FXSEND
258 return false;
259 #endif // CONFIG_FXSEND
260 }
261
262 QList<int> FxSend::allFxSendsOfSamplerChannel(int samplerChannelID) {
263 QList<int> sends;
264
265 MainForm *pMainForm = MainForm::getInstance();
266 if (!pMainForm || !pMainForm->client())
267 return sends;
268
269 #ifdef CONFIG_FXSEND
270 int *piSends = ::lscp_list_fxsends(pMainForm->client(), samplerChannelID);
271 if (!piSends) {
272 if (::lscp_client_get_errno(pMainForm->client()))
273 pMainForm->appendMessagesClient("lscp_list_fxsends");
274 } else {
275 for (int iSend = 0; piSends[iSend] >= 0; ++iSend)
276 sends.append(piSends[iSend]);
277 }
278 #endif // CONFIG_FXSEND
279
280 return sends;
281 }
282
283 } // namespace QSampler
284
285 // end of qsamplerFxSend.cpp

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