source/modules/water/processors/AudioProcessor.cpp

   1 /*
   2   ==============================================================================
   3
   4    This file is part of the Water library.
   5    Copyright (c) 2015 ROLI Ltd.
   6    Copyright (C) 2017-2018 Filipe Coelho <falktx@falktx.com>
   7
   8    Permission is granted to use this software under the terms of the GNU
   9    General Public License as published by the Free Software Foundation;
  10    either version 2 of the License, or any later version.
  11
  12    This program is distributed in the hope that it will be useful, but WITHOUT
  13    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  14    FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
  15
  16    For a full copy of the GNU General Public License see the doc/GPL.txt file.
  17
  18   ==============================================================================
  19 */
  20
  21 #include "AudioProcessor.h"
  22
  23 namespace water {
  24
  25 AudioProcessor::AudioProcessor()
  26 {
  27     numAudioIns = 0;
  28     numAudioOuts = 0;
  29     numCVIns = 0;
  30     numCVOuts = 0;
  31     numMIDIIns = 0;
  32     numMIDIOuts = 0;
  33
  34     currentSampleRate = 0;
  35     blockSize = 0;
  36     latencySamples = 0;
  37
  38     suspended = false;
  39     nonRealtime = false;
  40 }
  41
  42 AudioProcessor::~AudioProcessor()
  43 {
  44 }
  45
  46 //==============================================================================
  47 void AudioProcessor::setPlayConfigDetails (const uint newNumIns,
  48                                            const uint newNumOuts,
  49                                            const uint newNumCVIns,
  50                                            const uint newNumCVOuts,
  51                                            const uint newNumMIDIIns,
  52                                            const uint newNumMIDIOuts,
  53                                            const double newSampleRate,
  54                                            const int newBlockSize)
  55 {
  56     numAudioIns = newNumIns;
  57     numAudioOuts = newNumOuts;
  58     numCVIns = newNumCVIns;
  59     numCVOuts = newNumCVOuts;
  60     numMIDIIns = newNumMIDIIns;
  61     numMIDIOuts = newNumMIDIOuts;
  62     setRateAndBufferSizeDetails (newSampleRate, newBlockSize);
  63 }
  64
  65 void AudioProcessor::setRateAndBufferSizeDetails (double newSampleRate, int newBlockSize) noexcept
  66 {
  67     currentSampleRate = newSampleRate;
  68     blockSize = newBlockSize;
  69 }
  70
  71 //==============================================================================
  72 void AudioProcessor::setNonRealtime (const bool newNonRealtime) noexcept
  73 {
  74     nonRealtime = newNonRealtime;
  75 }
  76
  77 void AudioProcessor::setLatencySamples (const int newLatency)
  78 {
  79     if (latencySamples != newLatency)
  80         latencySamples = newLatency;
  81 }
  82
  83 void AudioProcessor::suspendProcessing (const bool shouldBeSuspended)
  84 {
  85     const CarlaRecursiveMutexLocker cml (callbackLock);
  86     suspended = shouldBeSuspended;
  87 }
  88
  89 void AudioProcessor::reset() {}
  90 void AudioProcessor::reconfigure() {}
  91
  92 uint AudioProcessor::getTotalNumInputChannels(ChannelType t) const noexcept
  93 {
  94     switch (t)
  95     {
  96     case ChannelTypeAudio:
  97         return numAudioIns;
  98     case ChannelTypeCV:
  99         return numCVIns;
 100     case ChannelTypeMIDI:
 101         return numMIDIIns;
 102     }
 103
 104     return 0;
 105 }
 106
 107 uint AudioProcessor::getTotalNumOutputChannels(ChannelType t) const noexcept
 108 {
 109     switch (t)
 110     {
 111     case ChannelTypeAudio:
 112         return numAudioOuts;
 113     case ChannelTypeCV:
 114         return numCVOuts;
 115     case ChannelTypeMIDI:
 116         return numMIDIOuts;
 117     }
 118
 119     return 0;
 120 }
 121
 122 const String AudioProcessor::getInputChannelName(ChannelType t, uint) const
 123 {
 124     return t == ChannelTypeMIDI ? "events-in" : "";
 125 }
 126
 127 const String AudioProcessor::getOutputChannelName(ChannelType t, uint) const
 128 {
 129     return t == ChannelTypeMIDI ? "events-out" : "";
 130 }
 131
 132 }