Parse sample and pixel rate arguments with r64_parse()

Author: fsphil

src/hacktv.c

@@ -509,6 +509,7 @@ int main(int argc, char *argv[])
 	char *pre, *sub;
 	int l;
 	int r;
+	r64_t rn;
 
 	/* Disable console output buffer in Windows */
 	#ifdef WIN32
@@ -633,11 +634,29 @@ int main(int argc, char *argv[])
 			break;
 
 		case 's': /* -s, --samplerate <value> */
-			s.samplerate = atoi(optarg);
+			
+			rn = r64_parse(optarg, NULL);
+			if(rn.den == 0)
+			{
+				fprintf(stderr, "Invalid sample rate\n");
+				return(-1);
+			}
+			
+			s.samplerate = (rn.num + rn.den / 2) / rn.den;
+			
 			break;
 
 		case _OPT_PIXELRATE: /* --pixelrate <value> */
-			s.pixelrate = atoi(optarg);
+			
+			rn = r64_parse(optarg, NULL);
+			if(rn.den == 0)
+			{
+				fprintf(stderr, "Invalid pixel rate\n");
+				return(-1);
+			}
+			
+			s.pixelrate = (rn.num + rn.den / 2) / rn.den;
+			
 			break;
 
 		case 'l': /* -l, --level <value> */