+void usage()
+{
+ fprintf(stderr, "Usage: nageru [OPTION]...\n");
+ fprintf(stderr, "\n");
+ fprintf(stderr, " -h, --help print usage information\n");
+ fprintf(stderr, " -c, --num-cards set number of input cards (default 2)\n");
+ fprintf(stderr, " -t, --theme=FILE choose theme (default theme.lua)\n");
+ fprintf(stderr, " -v, --va-display=SPEC VA-API device for H.264 encoding\n");
+ fprintf(stderr, " ($DISPLAY spec or /dev/dri/render* path)\n");
+ fprintf(stderr, " --http-uncompressed-video send uncompressed NV12 video to HTTP clients\n");
+ fprintf(stderr, " --http-mux=NAME mux to use for HTTP streams (default " DEFAULT_STREAM_MUX_NAME ")\n");
+ fprintf(stderr, " --http-coarse-timebase use less timebase for HTTP (recommended for muxers\n");
+ fprintf(stderr, " that handle large pts poorly, like e.g. MP4)\n");
+ fprintf(stderr, " --flat-audio start with most audio processing turned off\n");
+ fprintf(stderr, " --no-flush-pbos do not explicitly signal texture data uploads\n");
+ fprintf(stderr, " (will give display corruption, but makes it\n");
+ fprintf(stderr, " possible to run with apitrace in real time)\n");
+}
+