1/* 2 3SynthFile.cpp 4 5Copyright (c) 2002 OpenBeOS. 6 7Author: 8 Michael Pfeiffer 9 10Permission is hereby granted, free of charge, to any person obtaining a copy of 11this software and associated documentation files (the "Software"), to deal in 12the Software without restriction, including without limitation the rights to 13use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 14of the Software, and to permit persons to whom the Software is furnished to do 15so, subject to the following conditions: 16 17The above copyright notice and this permission notice shall be included in all 18copies or substantial portions of the Software. 19 20THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 21IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 22FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 23AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 24LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 25OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 26THE SOFTWARE. 27 28*/ 29 30#include <Debug.h> 31 32#include "SynthFile.h" 33#include "SynthFileReader.h" 34 35// SSound 36 37SSound::SSound(uint16 id) 38 : fOffset(0) 39 , fId(id) 40 , fSamples(NULL) 41 , fFrameCount(0) 42 , fSampleSize(0) 43 , fChannelCount(0) 44{ 45} 46 47 48void 49SSound::SetSample(void* samples, int32 frameCount, int16 sampleSize, int16 channelCount) 50{ 51 ASSERT(fSamples == NULL); 52 fSamples = samples; 53 fFrameCount = frameCount; 54 fSampleSize = sampleSize; 55 fChannelCount = channelCount; 56} 57 58// SSoundInRange 59SSoundInRange::SSoundInRange(uint8 start, uint8 end, SSound* sound) 60 : fNoteStart(start) 61 , fNoteEnd(end) 62 , fSound(sound) 63{ 64} 65 66 67// SInstrument 68 69SInstrument::SInstrument(uint8 instrument) 70 : fOffset(0) 71 , fId(instrument) 72 , fDefaultSound(NULL) 73 , fSounds(false) // does not own items 74{ 75} 76 77 78// SSynthFile 79 80static int bySoundId(const SSound** a, const SSound** b) 81{ 82 return (*a)->Id() - (*b)->Id(); 83} 84 85SSynthFile::SSynthFile(const char* fileName) 86 : fReader(fileName) 87{ 88 fStatus = fReader.InitCheck(); 89 if (fStatus == B_OK) { 90 for (int i = 0; i < 128; i++) { 91 fInstruments.AddItem(NULL); 92 } 93 94 fStatus = fReader.Initialize(this); 95 fSounds.SortItems(bySoundId); 96 } 97} 98 99SSound* 100SSynthFile::FindSound(uint16 sound) 101{ 102 const int n = fSounds.CountItems(); 103 for (int i = 0; i < n; i ++) { 104 SSound* s = fSounds.ItemAt(i); 105 if (s->Id() == sound) return s; 106 } 107 return NULL; 108} 109 110SSound* 111SSynthFile::GetSound(uint16 sound) 112{ 113 SSound* s = FindSound(sound); 114 if (s == NULL) { 115 s = new SSound(sound); 116 fSounds.AddItem(s); 117 } 118 return s; 119} 120 121 122void 123SSynthFile::InstrumentAtPut(int i, SInstrument* instr) 124{ 125 ASSERT(fInstruments.CountItems() == 128); 126 SInstrument** array = (SInstrument**)fInstruments.Items(); 127 array[i] = instr; 128} 129 130 131bool 132SSynthFile::HasInstrument(uint8 instrument) const 133{ 134 ASSERT(instrument < 128); 135 return fInstruments.ItemAt(instrument) != NULL; 136} 137 138SInstrument* 139SSynthFile::GetInstrument(uint8 instrument) 140{ 141 ASSERT(instrument < 128); 142 SInstrument* i = fInstruments.ItemAt(instrument); 143 if (i == NULL) { 144 i = new SInstrument(instrument); 145 InstrumentAtPut(instrument, i); 146 } 147 return i; 148} 149 150void 151SSynthFile::Dump() 152{ 153 printf("SynthFile:\n"); 154 printf("==========\n\n"); 155 for (uint8 i = 0; i < 128; i++) { 156 if (HasInstrument(i)) { 157 SInstrument* instr = GetInstrument(i); 158 printf("Instrument id=%d name=%s sounds=%d\n", 159 (int)instr->Id(), 160 instr->Name(), 161 (int)instr->Sounds()->CountItems()); 162 SSound* sound = instr->DefaultSound(); 163 ASSERT(sound != NULL); 164 printf("Default Sound id=%d name='%s'\n", 165 (int)sound->Id(), 166 sound->Name()); 167 for (int s = 0; s < instr->Sounds()->CountItems(); s ++) { 168 SSoundInRange* range = instr->Sounds()->ItemAt(s); 169 printf("Sound id=%d start=%d end=%d name='%s'\n", 170 (int)range->Sound()->Id(), 171 (int)range->Start(), 172 (int)range->End(), 173 range->Sound()->Name()); 174 } 175 printf("\n"); 176 } 177 } 178 179 printf("\nSounds:\n"); 180 printf("-------\n\n"); 181 for (int i = 0; i < fSounds.CountItems(); i ++) { 182 SSound* sound = fSounds.ItemAt(i); 183 printf("Id=%d name='%s'\n", (int)sound->Id(), sound->Name()); 184 } 185} 186 187