Fix clipping of capture size with non standard number of lines

src/filesystem.c

@@ -614,6 +614,7 @@ void scan_profiles(char *prefix, char manufacturer_names[MAX_PROFILES][MAX_PROFI
     char fpath[MAX_STRING_SIZE];
     static FILINFO fno;
     init_filesystem();
+    log_info("Reading path: %s", path);
     res = f_opendir(&dir, path);
     if (res == FR_OK) {
         for (;;) {

src/rgb_to_hdmi.c

@@ -2698,10 +2698,12 @@ int get_sync_detected() {
 int get_lines_per_vsync(int compensate) {
     if (compensate) {
         int lines = geometry_get_value(LINES_FRAME);
-        if (lines_per_vsync > (lines - 20) && lines_per_vsync <= (lines + 1)) {
+        int clock_ppm = geometry_get_value(CLOCK_PPM);
+        int frame_window = 20 + clock_ppm * lines / 1000000;
+        if (lines_per_vsync >= (lines - frame_window) && lines_per_vsync <= (lines + 1)) {
            return lines_per_vsync;
         } else {
-            return lines;
+           return lines;
         }
     } else {
         return lines_per_vsync;