144 lines
4.8 KiB
C
144 lines
4.8 KiB
C
/****************************************************************************
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* apps/audioutils/fmsynth/test/fmsynth_op_test.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <stdio.h>
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#include <audioutils/fmsynth_op.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define FS (48000)
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#define SOUNDFREQ (261.f)
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#define TEST_LOOP (FS * (30 + 10 + 100 + 30 + 1) / 1000)
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* name: set_levels
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****************************************************************************/
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static fmsynth_eglevels_t *set_levels(fmsynth_eglevels_t *level,
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float atk_lvl, int atk_peri,
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float decbrk_lvl, int decbrk_peri,
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float dec_lvl, int dec_peri,
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float sus_lvl, int sus_peri,
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float rel_lvl, int rel_peri)
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{
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level->attack.level = atk_lvl;
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level->attack.period_ms = atk_peri;
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level->decaybrk.level = decbrk_lvl;
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level->decaybrk.period_ms = decbrk_peri;
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level->decay.level = dec_lvl;
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level->decay.period_ms = dec_peri;
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level->sustain.level = sus_lvl;
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level->sustain.period_ms = sus_peri;
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level->release.level = rel_lvl;
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level->release.period_ms = rel_peri;
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return level;
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* name: main
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****************************************************************************/
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int main(void)
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{
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int phase_time;
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fmsynth_eglevels_t levels;
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fmsynth_op_t *envop;
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fmsynth_op_t *fbop;
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fmsynth_op_t *triop;
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fmsynth_op_t *mainop;
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fmsynth_op_t *subop;
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fmsynth_op_t *conv1;
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fmsynth_op_t *conv2;
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phase_time = 0;
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fmsynthop_set_samplerate(FS);
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set_levels(&levels, 0.12f, 10, 0.06f, 20, 0.1f, 16, 0.1f, 5, 0.f, 70);
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envop = fmsynthop_create();
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fmsynthop_set_envelope(envop, &levels);
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fmsynthop_select_opfunc(envop, FMSYNTH_OPFUNC_SIN);
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fmsynthop_set_soundfreq(envop, SOUNDFREQ);
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fmsynthop_start(envop);
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triop = fmsynthop_create();
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fmsynthop_select_opfunc(triop, FMSYNTH_OPFUNC_TRIANGLE);
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fmsynthop_set_soundfreq(triop, SOUNDFREQ);
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fmsynthop_start(triop);
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fbop = fmsynthop_create();
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fmsynthop_select_opfunc(fbop, FMSYNTH_OPFUNC_SIN);
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fmsynthop_set_soundfreq(fbop, SOUNDFREQ);
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fmsynthop_bind_feedback(fbop, fbop, 0.6f);
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fmsynthop_start(fbop);
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mainop = fmsynthop_create();
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subop = fmsynthop_create();
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fmsynthop_select_opfunc(mainop, FMSYNTH_OPFUNC_SIN);
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fmsynthop_select_opfunc(subop, FMSYNTH_OPFUNC_SIN);
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fmsynthop_cascade_subop(mainop, subop);
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fmsynthop_set_soundfreq(mainop, SOUNDFREQ);
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fmsynthop_set_soundfreqrate(subop, 2.f);
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fmsynthop_start(mainop);
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printf("idx,EnvTest,FeedbackTest,CascadeTest,Triangle\n");
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while (phase_time < TEST_LOOP)
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{
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fmsynthop_update_feedback(envop);
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fmsynthop_update_feedback(fbop);
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fmsynthop_update_feedback(mainop);
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fmsynthop_update_feedback(triop);
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printf("%d,%d,%d,%d,%d\n",
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phase_time,
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fmsynthop_operate(envop, phase_time),
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fmsynthop_operate(fbop, phase_time),
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fmsynthop_operate(mainop, phase_time),
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fmsynthop_operate(triop, phase_time));
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phase_time++;
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}
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fmsynthop_delete(envop);
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fmsynthop_delete(fbop);
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fmsynthop_delete(mainop);
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fmsynthop_delete(subop);
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return 0;
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}
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