🛠️🐜 Antkeeper superbuild with dependencies included
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139 lines
4.2 KiB
139 lines
4.2 KiB
/*
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* SOFA info utility for inspecting SOFA file metrics and determining HRTF
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* utility compatible layouts.
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*
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* Copyright (C) 2018-2019 Christopher Fitzgerald
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Or visit: http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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*/
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#include <stdio.h>
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#include <memory>
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#include <vector>
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#include "sofa-support.h"
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#include "mysofa.h"
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#include "win_main_utf8.h"
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using uint = unsigned int;
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static void PrintSofaAttributes(const char *prefix, struct MYSOFA_ATTRIBUTE *attribute)
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{
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while(attribute)
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{
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fprintf(stdout, "%s.%s: %s\n", prefix, attribute->name, attribute->value);
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attribute = attribute->next;
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}
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}
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static void PrintSofaArray(const char *prefix, struct MYSOFA_ARRAY *array)
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{
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PrintSofaAttributes(prefix, array->attributes);
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for(uint i{0u};i < array->elements;i++)
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fprintf(stdout, "%s[%u]: %.6f\n", prefix, i, array->values[i]);
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}
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/* Attempts to produce a compatible layout. Most data sets tend to be
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* uniform and have the same major axis as used by OpenAL Soft's HRTF model.
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* This will remove outliers and produce a maximally dense layout when
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* possible. Those sets that contain purely random measurements or use
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* different major axes will fail.
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*/
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static void PrintCompatibleLayout(const uint m, const float *xyzs)
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{
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fputc('\n', stdout);
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auto fds = GetCompatibleLayout(m, xyzs);
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if(fds.empty())
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{
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fprintf(stdout, "No compatible field layouts in SOFA file.\n");
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return;
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}
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uint used_elems{0};
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for(size_t fi{0u};fi < fds.size();++fi)
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{
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for(uint ei{fds[fi].mEvStart};ei < fds[fi].mEvCount;++ei)
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used_elems += fds[fi].mAzCounts[ei];
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}
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fprintf(stdout, "Compatible Layout (%u of %u measurements):\n\ndistance = %.3f", used_elems, m,
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fds[0].mDistance);
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for(size_t fi{1u};fi < fds.size();fi++)
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fprintf(stdout, ", %.3f", fds[fi].mDistance);
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fprintf(stdout, "\nazimuths = ");
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for(size_t fi{0u};fi < fds.size();++fi)
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{
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for(uint ei{0u};ei < fds[fi].mEvStart;++ei)
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fprintf(stdout, "%d%s", fds[fi].mAzCounts[fds[fi].mEvCount - 1 - ei], ", ");
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for(uint ei{fds[fi].mEvStart};ei < fds[fi].mEvCount;++ei)
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fprintf(stdout, "%d%s", fds[fi].mAzCounts[ei],
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(ei < (fds[fi].mEvCount - 1)) ? ", " :
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(fi < (fds.size() - 1)) ? ";\n " : "\n");
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}
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}
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// Load and inspect the given SOFA file.
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static void SofaInfo(const char *filename)
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{
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int err;
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MySofaHrtfPtr sofa{mysofa_load(filename, &err)};
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if(!sofa)
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{
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fprintf(stdout, "Error: Could not load source file '%s' (%s).\n", filename,
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SofaErrorStr(err));
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return;
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}
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/* NOTE: Some valid SOFA files are failing this check. */
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err = mysofa_check(sofa.get());
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if(err != MYSOFA_OK)
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fprintf(stdout, "Warning: Supposedly malformed source file '%s' (%s).\n", filename,
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SofaErrorStr(err));
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mysofa_tocartesian(sofa.get());
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PrintSofaAttributes("Info", sofa->attributes);
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fprintf(stdout, "Measurements: %u\n", sofa->M);
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fprintf(stdout, "Receivers: %u\n", sofa->R);
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fprintf(stdout, "Emitters: %u\n", sofa->E);
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fprintf(stdout, "Samples: %u\n", sofa->N);
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PrintSofaArray("SampleRate", &sofa->DataSamplingRate);
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PrintSofaArray("DataDelay", &sofa->DataDelay);
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PrintCompatibleLayout(sofa->M, sofa->SourcePosition.values);
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}
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int main(int argc, char *argv[])
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{
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if(argc != 2)
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{
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fprintf(stdout, "Usage: %s <sofa-file>\n", argv[0]);
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return 0;
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}
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SofaInfo(argv[1]);
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return 0;
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}
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