summaryrefslogtreecommitdiffstats
path: root/src/sound/ControlBlock.cpp
blob: 7c49db5cc01577f9d8e361981e4a92b698c5c38f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
/*
    Rosegarden
    A sequencer and musical notation editor.
 
    This program is Copyright 2000-2008
        Guillaume Laurent   <[email protected]>,
        Chris Cannam        <[email protected]>,
        Richard Bown        <[email protected]>
 
    The moral right of the authors to claim authorship of this work
    has been asserted.
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/

#include <cstring>

#include "ControlBlock.h"

namespace Rosegarden
{

ControlBlock::ControlBlock(unsigned int maxTrackId)
        : m_maxTrackId(maxTrackId),
        m_solo(false),
        m_routing(true),
        m_thruFilter(0),
        m_recordFilter(0),
        m_selectedTrack(0)
{
    m_metronomeInfo.muted = true;
    m_metronomeInfo.instrumentId = 0;
    for (unsigned int i = 0; i < CONTROLBLOCK_MAX_NB_TRACKS; ++i) {
        m_trackInfo[i].muted = true;
        m_trackInfo[i].deleted = true;
        m_trackInfo[i].armed = true;
        m_trackInfo[i].instrumentId = 0;
    }
}

ControlBlock::ControlBlock()
{
    // DO NOT initialize anything - this ctor is meant to be used by
    // the sequencer, through a placement new over an mmapped file.
}

void ControlBlock::updateTrackData(Track* t)
{
    if (t) {
        setInstrumentForTrack(t->getId(), t->getInstrument());
        setTrackArmed(t->getId(), t->isArmed());
        setTrackMuted(t->getId(), t->isMuted());
        setTrackDeleted(t->getId(), false);
        setTrackChannelFilter(t->getId(), t->getMidiInputChannel());
        setTrackDeviceFilter(t->getId(), t->getMidiInputDevice());
        if (t->getId() > m_maxTrackId)
            m_maxTrackId = t->getId();
    }
}

void ControlBlock::setInstrumentForTrack(TrackId trackId, InstrumentId instId)
{
    if (trackId < CONTROLBLOCK_MAX_NB_TRACKS)
        m_trackInfo[trackId].instrumentId = instId;
}

InstrumentId ControlBlock::getInstrumentForTrack(TrackId trackId) const
{
    if (trackId < CONTROLBLOCK_MAX_NB_TRACKS)
        return m_trackInfo[trackId].instrumentId;
    return 0;
}

void ControlBlock::setTrackMuted(TrackId trackId, bool mute)
{
    if (trackId < CONTROLBLOCK_MAX_NB_TRACKS)
        m_trackInfo[trackId].muted = mute;
}

bool ControlBlock::isTrackMuted(TrackId trackId) const
{
    if (trackId < CONTROLBLOCK_MAX_NB_TRACKS)
        return m_trackInfo[trackId].muted;
    return true;
}

void ControlBlock::setTrackArmed(TrackId trackId, bool armed)
{
    if (trackId < CONTROLBLOCK_MAX_NB_TRACKS)
        m_trackInfo[trackId].armed = armed;
}

bool ControlBlock::isTrackArmed(TrackId trackId) const
{
    if (trackId < CONTROLBLOCK_MAX_NB_TRACKS)
        return m_trackInfo[trackId].armed;
    return false;
}

void ControlBlock::setTrackDeleted(TrackId trackId, bool deleted)
{
    if (trackId < CONTROLBLOCK_MAX_NB_TRACKS)
        m_trackInfo[trackId].deleted = deleted;
}

bool ControlBlock::isTrackDeleted(TrackId trackId) const
{
    if (trackId < CONTROLBLOCK_MAX_NB_TRACKS)
        return m_trackInfo[trackId].deleted;
    return true;
}

void ControlBlock::setTrackChannelFilter(TrackId trackId, char channel)
{
    if (trackId < CONTROLBLOCK_MAX_NB_TRACKS)
        m_trackInfo[trackId].channelFilter = channel;
}

char ControlBlock::getTrackChannelFilter(TrackId trackId) const
{
    if (trackId < CONTROLBLOCK_MAX_NB_TRACKS)
        return m_trackInfo[trackId].channelFilter;
    return -1;
}

void ControlBlock::setTrackDeviceFilter(TrackId trackId, DeviceId device)
{
    if (trackId < CONTROLBLOCK_MAX_NB_TRACKS)
        m_trackInfo[trackId].deviceFilter = device;
}

DeviceId ControlBlock::getTrackDeviceFilter(TrackId trackId) const
{
    if (trackId < CONTROLBLOCK_MAX_NB_TRACKS)
        return m_trackInfo[trackId].deviceFilter;
    return Device::ALL_DEVICES;
}

bool ControlBlock::isInstrumentMuted(InstrumentId instrumentId) const
{
    for (unsigned int i = 0; i <= m_maxTrackId; ++i) {
        if (m_trackInfo[i].instrumentId == instrumentId &&
                !m_trackInfo[i].deleted && !m_trackInfo[i].muted)
            return false;
    }
    return true;
}

bool ControlBlock::isInstrumentUnused(InstrumentId instrumentId) const
{
    for (unsigned int i = 0; i <= m_maxTrackId; ++i) {
        if (m_trackInfo[i].instrumentId == instrumentId &&
                !m_trackInfo[i].deleted)
            return false;
    }
    return true;
}

InstrumentId ControlBlock::getInstrumentForEvent(unsigned int dev, unsigned int chan)
{
    for (unsigned int i = 0; i <= m_maxTrackId; ++i) {
        if (!m_trackInfo[i].deleted && m_trackInfo[i].armed) {
            if (((m_trackInfo[i].deviceFilter == Device::ALL_DEVICES) ||
                    (m_trackInfo[i].deviceFilter == dev)) &&
                    ((m_trackInfo[i].channelFilter == -1) ||
                     (m_trackInfo[i].channelFilter == chan)))
                return m_trackInfo[i].instrumentId;
        }
    }
    // There is not a matching filter, return the selected track instrument
    return getInstrumentForTrack(getSelectedTrack());
}


}