You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 
music-synthesizer-for-android/cpp/src/patch.cc

51 lines
1.8 KiB

/*
* Copyright 2013 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <cstring>
#include "patch.h"
void UnpackPatch(const char bulk[128], char patch[156]) {
for (int op = 0; op < 6; op++) {
// eg rate and level, brk pt, depth, scaling
memcpy(patch + op * 21, bulk + op * 17, 11);
char leftrightcurves = bulk[op * 17 + 11];
patch[op * 21 + 11] = leftrightcurves & 3;
patch[op * 21 + 12] = (leftrightcurves >> 2) & 3;
char detune_rs = bulk[op * 17 + 12];
patch[op * 21 + 13] = detune_rs & 7;
patch[op * 21 + 20] = detune_rs >> 3;
char kvs_ams = bulk[op * 17 + 13];
patch[op * 21 + 14] = kvs_ams & 3;
patch[op * 21 + 15] = kvs_ams >> 2;
patch[op * 21 + 16] = bulk[op * 17 + 14]; // output level
char fcoarse_mode = bulk[op * 17 + 15];
patch[op * 21 + 17] = fcoarse_mode & 1;
patch[op * 21 + 18] = fcoarse_mode >> 1;
patch[op * 21 + 19] = bulk[op * 17 + 16]; // fine freq
}
memcpy(patch + 126, bulk + 102, 9); // pitch env, algo
char oks_fb = bulk[111];
patch[135] = oks_fb & 7;
patch[136] = oks_fb >> 3;
memcpy(patch + 137, bulk + 112, 4); // lfo
char lpms_lfw_lks = bulk[116];
patch[141] = lpms_lfw_lks & 1;
patch[142] = (lpms_lfw_lks >> 1) & 7;
patch[143] = lpms_lfw_lks >> 4;
memcpy(patch + 144, bulk + 117, 11); // transpose, name
patch[155] = 0x3f; // operator on/off
}