scottie modes added ; with dayton paper copy

scottie.h

@@ -0,0 +1,24 @@
+#ifndef SCOTTIE_H
+#define SCOTTIE_H
+
+#include "wav.h"
+#include <stdint.h>
+
+typedef struct {
+  uint8_t vis_code;
+  int width;
+  int height;
+  double separator_ms;
+  double sync_ms;
+  double sync_porch_ms;
+  double scan_ms;
+} scottie_mode_t;
+
+extern const scottie_mode_t SCOTTIE_S1;
+extern const scottie_mode_t SCOTTIE_S2;
+extern const scottie_mode_t SCOTTIE_DX;
+
+void scottie_encode_image(wav_t *wav, uint8_t *rgb, const scottie_mode_t *mode);
+int sstv_encode_scottie(const char *input_image, const char *output_wav, const scottie_mode_t *mode);
+
+#endif // !SCOTTIE_H