nice refactors, now way cleaner to work with!

include/encoder/image.h

@@ -0,0 +1,17 @@
+#ifndef IMAGE_H
+#define IMAGE_H
+
+#include <stdint.h>
+
+typedef struct {
+  int width;
+  int height;
+  uint8_t *data;
+} image_t;
+
+int image_load(image_t *img, const char *filename);
+int image_resize(image_t *src, image_t *dst, int new_w, int new_h);
+void image_free(image_t *img);
+void image_free_raw(image_t *img);
+
+#endif // !IMAGE_H

include/encoder/modes/martin.h

@@ -0,0 +1,23 @@
+#ifndef MARTIN_H
+#define MARTIN_H
+
+#include "sound/wav.h"
+#include <stdint.h>
+
+typedef struct {
+  uint8_t vis_code; // in hexadecimal not normal decimal (ex 0x08)
+  int width;
+  int height;
+  double sync_ms;
+  double sync_porch_ms;
+  double separator_ms;
+  double scan_ms;
+} martin_mode_t;
+
+extern const martin_mode_t MARTIN_M1;
+extern const martin_mode_t MARTIN_M2;
+
+void martin_encode_image(wav_t *wav, uint8_t *rgb, const martin_mode_t *mode);
+int sstv_encode_martin(const char *input_image, const char *output_wav, const martin_mode_t *mode);
+
+#endif // !MARTIN_H

include/encoder/modes/robot36.h

@@ -0,0 +1,12 @@
+#ifndef ROBOT36_H
+#define ROBOT36_H
+
+#include "sound/wav.h"
+#include <stdint.h>
+
+#define ROBOT36_WIDTH  320
+#define ROBOT36_HEIGHT 240
+
+void robot36_encode_image(wav_t *wav, uint8_t *rgb);
+
+#endif // !ROBOT36_H

include/encoder/modes/scottie.h

@@ -0,0 +1,24 @@
+#ifndef SCOTTIE_H
+#define SCOTTIE_H
+
+#include "sound/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

include/encoder/sstv.h

@@ -0,0 +1,15 @@
+#ifndef SSTV_H
+#define SSTV_H
+
+#include "sound/wav.h"
+#include <stdint.h>
+
+void sstv_tone(wav_t *wav, double freq, double duration_ms);
+
+void sstv_vis_header(wav_t *wav);
+
+void sstv_vis_header_ex(wav_t *wav, uint8_t vis_code);
+
+int sstv_encode_robot36(const char *input_image, const char *output_wav);
+
+#endif // !SSTV_H