50 lines
933 B
C
50 lines
933 B
C
// gcc -o peakdump peakdump.c -Wall -O3 -lm
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// inspect ardour .peak files
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#define _FPP 256
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int main (int argc, char **argv) {
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int c = 0, d = 0;
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float thresh = -1.f;
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if (argc < 2 || argc > 3) {
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fprintf(stderr, "usage: %s [threshold] <peakfile>\n", argv[0]);
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return -1;
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}
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if (argc == 3) {
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thresh = atof(argv[1]);
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}
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FILE *F = fopen(argv[argc-1], "r");
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if (!F) {
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fprintf(stderr, "Cannot open file '%s'\n", argv[argc-1]);
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return -1;
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}
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printf(" # ) audio sample range : MIN MAX\n");
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while (!feof(F)) {
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struct PeakData {
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float min;
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float max;
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} buf;
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if (fread(&buf, sizeof(struct PeakData), 1, F) <= 0) {
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break;
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}
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if (fabsf(buf.min) > thresh || fabsf(buf.max) > thresh) {
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printf("%8d) %10d - %10d: %+.3f %+.3f\n", ++d,
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_FPP * c, _FPP * (c + 1) - 1,
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buf.min, buf.max);
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}
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++c;
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}
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fclose(F);
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return 0;
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}
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