X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=futatabi%2Fflags.cpp;h=a8ae958668ab0653d83cd6239efbc810d8b1ee10;hb=refs%2Fheads%2Fmaster;hp=eea7c0700358f2752318e9d0d18fa56eff536d47;hpb=9ffd4f03f314cc6e0254449593def95c9bc203d6;p=nageru

diff --git a/futatabi/flags.cpp b/futatabi/flags.cpp
index eea7c07..a8ae958 100644
--- a/futatabi/flags.cpp
+++ b/futatabi/flags.cpp
@@ -44,6 +44,7 @@ void usage()
 	fprintf(stderr, "      --http-port PORT            which port to listen on for output\n");
 	fprintf(stderr, "      --tally-url URL             URL to get tally color from (polled every 100 ms)\n");
 	fprintf(stderr, "      --midi-mapping=FILE         start with the given MIDI controller mapping\n");
+	fprintf(stderr, "  -l  --source-label NUM:LABEL    label source NUM as LABEL, if visible\n");
 }
 
 void parse_flags(int argc, char *const argv[])
@@ -61,11 +62,12 @@ void parse_flags(int argc, char *const argv[])
 		{ "cue-in-point-padding", required_argument, 0, OPTION_CUE_IN_POINT_PADDING },
 		{ "cue-out-point-padding", required_argument, 0, OPTION_CUE_OUT_POINT_PADDING },
 		{ "midi-mapping", required_argument, 0, OPTION_MIDI_MAPPING },
+		{ "source-label", required_argument, 0, 'l' },
 		{ 0, 0, 0, 0 }
 	};
 	for (;;) {
 		int option_index = 0;
-		int c = getopt_long(argc, argv, "w:h:r:q:d:", long_options, &option_index);
+		int c = getopt_long(argc, argv, "w:h:r:q:d:l:", long_options, &option_index);
 
 		if (c == -1) {
 			break;
@@ -85,7 +87,7 @@ void parse_flags(int argc, char *const argv[])
 				global_flags.output_framerate = num;
 			} else {
 				fprintf(stderr, "Invalid frame rate given (must be on the form N or N/M)\n");
-				abort();
+				exit(1);
 			}
 			break;
 		}
@@ -99,6 +101,18 @@ void parse_flags(int argc, char *const argv[])
 		case 'd':
 			global_flags.working_directory = optarg;
 			break;
+		case 'l': {
+			int prefix_len;
+			unsigned channel_idx;
+			if (sscanf(optarg, "%u:%n", &channel_idx, &prefix_len) == 1) {
+				const char *label = optarg + prefix_len;
+				global_flags.source_labels[channel_idx] = label;
+			} else {
+				fprintf(stderr, "Invalid source label format (must be on the form NUM:LABEL)\n");
+				exit(1);
+			}
+			break;
+		}
 		case OPTION_HTTP_PORT:
 			global_flags.http_port = atoi(optarg);
 			break;
@@ -123,19 +137,19 @@ void parse_flags(int argc, char *const argv[])
 			fprintf(stderr, "Unknown option '%s'\n", argv[option_index]);
 			fprintf(stderr, "\n");
 			usage();
-			abort();
+			exit(1);
 		}
 	}
 
 	if (global_flags.interpolation_quality < 0 || global_flags.interpolation_quality > 4) {
 		fprintf(stderr, "Interpolation quality must be 0, 1, 2, 3 or 4.\n");
 		usage();
-		abort();
+		exit(1);
 	}
 	if (global_flags.cue_in_point_padding_seconds < 0.0 ||
 	    global_flags.cue_out_point_padding_seconds < 0.0) {
 		fprintf(stderr, "Cue point padding cannot be negative.\n");
 		usage();
-		abort();
+		exit(1);
 	}
 }