Add missing --help for --v4l-output.

[nageru] / nageru / flags.cpp

diff --git a/nageru/flags.cpp b/nageru/flags.cpp
index ed52dc8933fba1f36a1a05c75f8ef85fae7d0691..5e044fd502e88c8e78546f9ad75d45fda008d48f 100644 (file)
--- a/nageru/flags.cpp
+++ b/nageru/flags.cpp
@@ -19,6 +19,7 @@ enum LongOption {
        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,
@@ -143,6 +144,7 @@ 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");
@@ -237,6 +239,7 @@ 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 },
@@ -352,6 +355,9 @@ 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;