mirror of
https://github.com/vsariola/sointu.git
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101 lines
2.3 KiB
C
101 lines
2.3 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <stdbool.h>
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#include <string.h>
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#include <math.h>
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#if defined (_WIN32)
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#include <windows.h>
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#else
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#include <sys/types.h>
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#include <sys/stat.h>
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#endif
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#include TEST_HEADER
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SUsample buf[SU_BUFFER_LENGTH];
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SUsample filebuf[SU_BUFFER_LENGTH];
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int main(int argc, char* argv[]) {
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FILE* f;
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char filename[256];
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int n;
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int retval;
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char test_name[] = TEST_NAME;
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char expected_output_folder[] = "expected_output/";
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char actual_output_folder[] = "actual_output/";
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long fsize;
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float max_diff;
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float diff;
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#ifdef SU_LOAD_GMDLS
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su_load_gmdls();
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#endif
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su_render_song(buf);
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snprintf(filename, sizeof filename, "%s%s%s", expected_output_folder, test_name, ".raw");
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f = fopen(filename, "rb");
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if (f == NULL) {
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printf("No expected waveform found!\n");
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goto fail;
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}
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fseek(f, 0, SEEK_END);
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fsize = ftell(f);
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fseek(f, 0, SEEK_SET);
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if (SU_BUFFER_LENGTH * sizeof(SUsample) < fsize) {
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printf("Sointu rendered shorter wave than expected\n");
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goto fail;
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}
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if (SU_BUFFER_LENGTH * sizeof(SUsample) > fsize) {
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printf("Sointu rendered longer wave than expected\n");
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goto fail;
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}
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fread((void*)filebuf, fsize, 1, f);
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fclose(f);
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f = NULL;
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max_diff = 0.0f;
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for (n = 0; n < SU_BUFFER_LENGTH; n++) {
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diff = fabs((float)(buf[n] - filebuf[n])/SU_SAMPLE_RANGE);
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if (diff > 1e-3f || isnan(diff)) {
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printf("Sointu rendered different wave than expected\n");
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goto fail;
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}
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if (diff > max_diff) {
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max_diff = diff;
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}
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}
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if (max_diff > 1e-6) {
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printf("Warning: Sointu rendered almost correct wave, but a small maximum error of %f\n",max_diff);
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}
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#if defined (_WIN32)
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CreateDirectory(actual_output_folder, NULL);
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#else
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mkdir(actual_output_folder, 0777);
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#endif
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snprintf(filename, sizeof filename, "%s%s%s", actual_output_folder, test_name, ".raw");
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f = fopen(filename, "wb");
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fwrite((void*)buf, sizeof(SUsample), SU_BUFFER_LENGTH, f);
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fclose(f);
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return 0;
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fail:
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if (f != NULL) {
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fclose(f);
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f = NULL;
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}
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return 1;
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}
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