]> git.sesse.net Git - nageru/blobdiff - nageru/flags.cpp
Make number of cards flexible at runtime.
[nageru] / nageru / flags.cpp
index ed52dc8933fba1f36a1a05c75f8ef85fae7d0691..402e33d7eca7a0be7d05d6ae87a4025f78ad9d0f 100644 (file)
@@ -15,10 +15,12 @@ Flags global_flags;
 enum LongOption {
        OPTION_HELP = 1000,
        OPTION_FULLSCREEN,
+       OPTION_MAX_NUM_CARDS,
        OPTION_MULTICHANNEL,
        OPTION_MIDI_MAPPING,
        OPTION_DEFAULT_HDMI_INPUT,
        OPTION_FAKE_CARDS_AUDIO,
+       OPTION_V4L_OUTPUT,
        OPTION_HTTP_UNCOMPRESSED_VIDEO,
        OPTION_HTTP_X264_VIDEO,
        OPTION_RECORD_X264_VIDEO,
@@ -36,6 +38,8 @@ enum LongOption {
        OPTION_HTTP_AUDIO_CODEC,
        OPTION_HTTP_AUDIO_BITRATE,
        OPTION_HTTP_PORT,
+       OPTION_SRT_PORT,
+       OPTION_NO_SRT,
        OPTION_NO_TRANSCODE_AUDIO,
        OPTION_DISABLE_AUDIO,
        OPTION_FLAT_AUDIO,
@@ -90,13 +94,13 @@ map<unsigned, unsigned> parse_mjpeg_export_cards(char *optarg)
                        fprintf(stderr, "ERROR: Invalid range %u-%u in --mjpeg-export-cards=\n", range_begin, range_end);
                        exit(1);
                }
-               if (range_end >= unsigned(global_flags.num_cards)) {
+               if (range_end >= unsigned(global_flags.max_num_cards)) {
                        // There are situations where we could possibly want to
                        // include FFmpeg inputs (CEF inputs are unlikely),
                        // but they're not necessarily in 4:2:2 Y'CbCr, so it would
                        // require more functionality the the JPEG encoder.
                        fprintf(stderr, "ERROR: Asked for (zero-indexed) card %u in --mjpeg-export-cards=, but there are only %u cards\n",
-                               range_end, global_flags.num_cards);
+                               range_end, global_flags.max_num_cards);
                        exit(1);
                }
                for (unsigned card_idx = range_begin; card_idx <= range_end; ++card_idx) {
@@ -130,7 +134,8 @@ void usage(Program program)
        fprintf(stderr, "  -w, --width                     output width in pixels (default 1280)\n");
        fprintf(stderr, "  -h, --height                    output height in pixels (default 720)\n");
        if (program == PROGRAM_NAGERU) {
-               fprintf(stderr, "  -c, --num-cards                 set number of input cards (default 2)\n");
+               fprintf(stderr, "  -c, --num-cards                 set minimum number of input cards (default 2)\n");
+               fprintf(stderr, "      --max-num-cards             set maximum number of input cards (default %d)\n", MAX_VIDEO_CARDS);
                fprintf(stderr, "  -o, --output-card=CARD          also output signal to the given card (default none)\n");
                fprintf(stderr, "  -t, --theme=FILE                choose theme (default theme.lua)\n");
                fprintf(stderr, "  -I, --theme-dir=DIR             search for theme in this directory (can be given multiple times)\n");
@@ -143,6 +148,7 @@ void usage(Program program)
                fprintf(stderr, "      --midi-mapping=FILE         start with the given MIDI controller mapping (implies --multichannel)\n");
                fprintf(stderr, "      --default-hdmi-input        default to HDMI over SDI inputs for cards that have both\n");
                fprintf(stderr, "      --fake-cards-audio          make fake (disconnected) cards output a simple tone\n");
+               fprintf(stderr, "      --v4l-output DEVICE         send video (no audio) to V4L2 output/loopback\n");
                fprintf(stderr, "      --http-uncompressed-video   send uncompressed NV12 video to HTTP clients\n");
                fprintf(stderr, "      --http-x264-video           send x264-compressed video to HTTP clients\n");
                fprintf(stderr, "      --record-x264-video         store x264-compressed video to disk (implies --http-x264-video,\n");
@@ -168,6 +174,9 @@ void usage(Program program)
                DEFAULT_AUDIO_OUTPUT_BIT_RATE / 1000);
        fprintf(stderr, "      --http-port=PORT            which port to use for the built-in HTTP server\n");
        fprintf(stderr, "                                  (default is %d)\n", DEFAULT_HTTPD_PORT);
+       fprintf(stderr, "      --srt-port=PORT             which port to use for receiving SRT streams\n");
+       fprintf(stderr, "                                  (default is %d)\n", DEFAULT_SRT_PORT);
+       fprintf(stderr, "      --no-srt                    disable receiving SRT streams\n");
        if (program == PROGRAM_KAERU) {
                fprintf(stderr, "      --no-transcode-audio        copy encoded audio raw from the source stream\n");
                fprintf(stderr, "                                    (requires --http-audio-codec= to be set)\n");
@@ -226,6 +235,7 @@ void parse_flags(Program program, int argc, char * const argv[])
                { "width", required_argument, 0, 'w' },
                { "height", required_argument, 0, 'h' },
                { "num-cards", required_argument, 0, 'c' },
+               { "max-num-cards", required_argument, 0, OPTION_MAX_NUM_CARDS },
                { "output-card", required_argument, 0, 'o' },
                { "theme", required_argument, 0, 't' },
                { "theme-dir", required_argument, 0, 'I' },
@@ -237,6 +247,7 @@ void parse_flags(Program program, int argc, char * const argv[])
                { "midi-mapping", required_argument, 0, OPTION_MIDI_MAPPING },
                { "default-hdmi-input", no_argument, 0, OPTION_DEFAULT_HDMI_INPUT },
                { "fake-cards-audio", no_argument, 0, OPTION_FAKE_CARDS_AUDIO },
+               { "v4l-output", required_argument, 0, OPTION_V4L_OUTPUT },
                { "http-uncompressed-video", no_argument, 0, OPTION_HTTP_UNCOMPRESSED_VIDEO },
                { "http-x264-video", no_argument, 0, OPTION_HTTP_X264_VIDEO },
                { "record-x264-video", no_argument, 0, OPTION_RECORD_X264_VIDEO },
@@ -253,6 +264,8 @@ void parse_flags(Program program, int argc, char * const argv[])
                { "http-audio-codec", required_argument, 0, OPTION_HTTP_AUDIO_CODEC },
                { "http-audio-bitrate", required_argument, 0, OPTION_HTTP_AUDIO_BITRATE },
                { "http-port", required_argument, 0, OPTION_HTTP_PORT },
+               { "srt-port", required_argument, 0, OPTION_SRT_PORT },
+               { "no-srt", no_argument, 0, OPTION_NO_SRT },
                { "no-transcode-audio", no_argument, 0, OPTION_NO_TRANSCODE_AUDIO },
                { "disable-audio", no_argument, 0, OPTION_DISABLE_AUDIO },
                { "flat-audio", no_argument, 0, OPTION_FLAT_AUDIO },
@@ -302,7 +315,10 @@ void parse_flags(Program program, int argc, char * const argv[])
                        global_flags.height = atoi(optarg);
                        break;
                case 'c':
-                       global_flags.num_cards = atoi(optarg);
+                       global_flags.min_num_cards = atoi(optarg);
+                       break;
+               case OPTION_MAX_NUM_CARDS:
+                       global_flags.max_num_cards = atoi(optarg);
                        break;
                case 'o':
                        global_flags.output_card = atoi(optarg);
@@ -352,6 +368,9 @@ void parse_flags(Program program, int argc, char * const argv[])
                case OPTION_FAKE_CARDS_AUDIO:
                        global_flags.fake_cards_audio = true;
                        break;
+               case OPTION_V4L_OUTPUT:
+                       global_flags.v4l_output_device = optarg;
+                       break;
                case OPTION_HTTP_UNCOMPRESSED_VIDEO:
                        global_flags.uncompressed_video_to_http = true;
                        break;
@@ -367,6 +386,12 @@ void parse_flags(Program program, int argc, char * const argv[])
                case OPTION_HTTP_PORT:
                        global_flags.http_port = atoi(optarg);
                        break;
+               case OPTION_SRT_PORT:
+                       global_flags.srt_port = atoi(optarg);
+                       break;
+               case OPTION_NO_SRT:
+                       global_flags.srt_port = -1;
+                       break;
                case OPTION_NO_TRANSCODE_AUDIO:
                        global_flags.transcode_audio = false;
                        break;
@@ -568,12 +593,20 @@ void parse_flags(Program program, int argc, char * const argv[])
                fprintf(stderr, "ERROR: --http-uncompressed-video and --http-x264-video are mutually incompatible\n");
                exit(1);
        }
-       if (global_flags.num_cards <= 0) {
+       if (global_flags.min_num_cards <= 0) {
                fprintf(stderr, "ERROR: --num-cards must be at least 1\n");
                exit(1);
        }
+       if (global_flags.max_num_cards <= 0) {
+               fprintf(stderr, "ERROR: --max-num-cards must be at least 1\n");
+               exit(1);
+       }
+       if (global_flags.max_num_cards < global_flags.min_num_cards) {
+               fprintf(stderr, "ERROR: --max-num-cards can not be lower than --num-cards\n");
+               exit(1);
+       }
        if (global_flags.output_card < -1 ||
-           global_flags.output_card >= global_flags.num_cards) {
+           global_flags.output_card >= global_flags.max_num_cards) {
                fprintf(stderr, "ERROR: --output-card points to a nonexistant card\n");
                exit(1);
        }
@@ -605,8 +638,8 @@ void parse_flags(Program program, int argc, char * const argv[])
        }
 
        for (pair<int, int> mapping : global_flags.default_stream_mapping) {
-               if (mapping.second >= global_flags.num_cards) {
-                       fprintf(stderr, "ERROR: Signal %d mapped to card %d, which doesn't exist (try adjusting --num-cards)\n",
+               if (mapping.second >= global_flags.max_num_cards) {
+                       fprintf(stderr, "ERROR: Signal %d mapped to card %d, which doesn't exist (try adjusting --max-num-cards)\n",
                                mapping.first, mapping.second);
                        exit(1);
                }
@@ -675,7 +708,7 @@ void parse_flags(Program program, int argc, char * const argv[])
 
        if (!card_to_mjpeg_stream_export_set) {
                // Fill in the default mapping (export all cards, in order).
-               for (unsigned card_idx = 0; card_idx < unsigned(global_flags.num_cards); ++card_idx) {
+               for (unsigned card_idx = 0; card_idx < unsigned(global_flags.max_num_cards); ++card_idx) {
                        global_flags.card_to_mjpeg_stream_export[card_idx] = card_idx;
                }
        }