Split the synth part into a library, with a Makefile.

[c64tapwav] / synth_main.cpp

diff --git a/synth_main.cpp b/synth_main.cpp
new file mode 100644 (file)
index 0000000..9f2ca96
--- /dev/null
+++ b/synth_main.cpp
@@ -0,0 +1,42 @@
+#include <stdio.h>
+#include <math.h>
+
+#include "common.h"
+#include "synth.h"
+
+using namespace std;
+
+int main(int argc, char **argv)
+{
+       FILE *fp = fopen(argv[1], "rb");
+       fseek(fp, 14, SEEK_SET);
+
+       int x = 0;
+       
+       vector<pulse> pulses;
+       while (!feof(fp)) {
+               int len = getc(fp);
+               int cycles;
+               if (len == 0) {
+                       int a = getc(fp);
+                       int b = getc(fp);
+                       int c = getc(fp);
+                       cycles = a | (b << 8) | (c << 16);
+               } else {
+                       cycles = len * 8;
+               }
+               pulse p;
+               p.start = float(x) * WAVE_FREQ / C64_FREQ;
+               p.end = (float(x) + cycles * 0.5) * WAVE_FREQ / C64_FREQ;
+               pulses.push_back(p);
+               x += cycles;
+       }
+
+       vector<float> samples = synth(pulses);
+
+       for (int i = 0; i < samples.size(); ++i) {
+               //printf("%f %f\n", samples[i], refiltered_samples[i]);
+               short s = lrintf(samples[i] * 16384.0f);
+               fwrite(&s, 2, 1, stdout);
+       }
+}