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, " --v4l-output=DEVICE send video (no audio) to V4L2 output/loopback\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");
fprintf(stderr, " removes the need for working VA-API encoding)\n");