X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=futatabi%2Fflags.cpp;h=1c606b13e53d62b97d556e2b8eb34f2dc8137bd8;hb=85e1c098fb61869cba7edf20a6281b2f87a7b9ed;hp=0de7b0261937f42b1133e82b95e42d742acbab28;hpb=52336c086b8bc355b55e2046e3a055b1b4c70ef7;p=nageru

diff --git a/futatabi/flags.cpp b/futatabi/flags.cpp
index 0de7b02..1c606b1 100644
--- a/futatabi/flags.cpp
+++ b/futatabi/flags.cpp
@@ -10,6 +10,7 @@
 using namespace std;
 
 Flags global_flags;
+int flow_initialized_interpolation_quality;
 
 // Long options that have no corresponding short option.
 enum LongOption {
@@ -25,9 +26,12 @@ void usage()
 	fprintf(stderr, "      --help                      print usage information\n");
 	fprintf(stderr, "  -w, --width                     output width in pixels (default 1280)\n");
 	fprintf(stderr, "  -h, --height                    output height in pixels (default 720)\n");
+	fprintf(stderr, "  -r, --frame-rate NUM[/NUM]      output frame rate, as a float or fraction\n");
+	fprintf(stderr, "                                    (default 60000/1001 ~= 59.94)\n");
 	fprintf(stderr, "      --slow-down-input           slow down input to realtime (default on if no\n");
 	fprintf(stderr, "                                    source URL given)\n");
-	fprintf(stderr, "  -q, --interpolation-quality N   1 = fastest\n");
+	fprintf(stderr, "  -q, --interpolation-quality N   0 = off\n");
+	fprintf(stderr, "                                  1 = fastest\n");
 	fprintf(stderr, "                                  2 = default (realtime 720p on fast embedded GPUs)\n");
 	fprintf(stderr, "                                  3 = good (realtime 720p on GTX 970 or so)\n");
 	fprintf(stderr, "                                  4 = best (not realtime on any current GPU)\n");
@@ -41,6 +45,7 @@ void parse_flags(int argc, char * const argv[])
 		{ "help", no_argument, 0, OPTION_HELP },
 		{ "width", required_argument, 0, 'w' },
 		{ "height", required_argument, 0, 'h' },
+		{ "frame-rate", required_argument, 0, 'r' },
 		{ "slow-down-input", no_argument, 0, OPTION_SLOW_DOWN_INPUT },
 		{ "interpolation-quality", required_argument, 0, 'q' },
 		{ "working-directory", required_argument, 0, 'd' },
@@ -49,7 +54,7 @@ void parse_flags(int argc, char * const argv[])
 	};
 	for ( ;; ) {
 		int option_index = 0;
-		int c = getopt_long(argc, argv, "w:h:q:d:", long_options, &option_index);
+		int c = getopt_long(argc, argv, "w:h:r:q:d:", long_options, &option_index);
 
 		if (c == -1) {
 			break;
@@ -61,11 +66,24 @@ void parse_flags(int argc, char * const argv[])
 		case 'h':
 			global_flags.height = atoi(optarg);
 			break;
+		case 'r': {
+			double num, den;
+			if (sscanf(optarg, "%lf/%lf", &num, &den) == 2) {
+				global_flags.output_framerate = num / den;
+			} else if (sscanf(optarg, "%lf", &num) == 1) {
+				global_flags.output_framerate = num;
+			} else {
+				fprintf(stderr, "Invalid frame rate given (must be on the form N or N/M)\n");
+				exit(1);
+			}
+			break;
+		}
 		case OPTION_SLOW_DOWN_INPUT:
 			global_flags.slow_down_input = true;
 			break;
 		case 'q':
 			global_flags.interpolation_quality = atoi(optarg);
+			global_flags.interpolation_quality_set = true;
 			break;
 		case 'd':
 			global_flags.working_directory = optarg;
@@ -84,8 +102,8 @@ void parse_flags(int argc, char * const argv[])
 		}
 	}
 
-	if (global_flags.interpolation_quality < 1 || global_flags.interpolation_quality > 4) {
-		fprintf(stderr, "Interpolation quality must be 1, 2, 3 or 4.\n");
+	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();
 		exit(1);
 	}