1 #include "v4l2-ctl.h"
6 static int output;			/* set_output/get_output */  variable
10 	printf("\nInput/Output options:\n"  in io_usage()
11 	       "  -I, --get-input    query the video input [VIDIOC_G_INPUT]\n"  in io_usage()
12 	       "  -i, --set-input <num>\n"  in io_usage()
13 	       "                     set the video input to <num> [VIDIOC_S_INPUT]\n"  in io_usage()
14 	       "  -N, --list-outputs display video outputs [VIDIOC_ENUMOUTPUT]\n"  in io_usage()
15 	       "  -n, --list-inputs  display video inputs [VIDIOC_ENUMINPUT]\n"  in io_usage()
16 	       "  -O, --get-output   query the video output [VIDIOC_G_OUTPUT]\n"  in io_usage()
17 	       "  -o, --set-output <num>\n"  in io_usage()
18 	       "                     set the video output to <num> [VIDIOC_S_OUTPUT]\n"  in io_usage()
19 	       "  --set-audio-output <num>\n"  in io_usage()
20 	       "                     set the audio output to <num> [VIDIOC_S_AUDOUT]\n"  in io_usage()
21 	       "  --get-audio-input  query the audio input [VIDIOC_G_AUDIO]\n"  in io_usage()
22 	       "  --set-audio-input <num>\n"  in io_usage()
23 	       "                     set the audio input to <num> [VIDIOC_S_AUDIO]\n"  in io_usage()
24 	       "  --get-audio-output query the audio output [VIDIOC_G_AUDOUT]\n"  in io_usage()
25 	       "  --set-audio-output <num>\n"  in io_usage()
26 	       "                     set the audio output to <num> [VIDIOC_S_AUDOUT]\n"  in io_usage()
27 	       "  --list-audio-outputs\n"  in io_usage()
29 	       "  --list-audio-inputs\n"  in io_usage()
69 			output = strtol(optarg, nullptr, 0);  in io_cmd()
88 			printf("Video input set to %d", input);  in io_set()
99 		if (doioctl(fd, VIDIOC_S_OUTPUT, &output) == 0)  in io_set()
100 			printf("Output set to %d\n", output);  in io_set()
105 			printf("Audio input set to %d\n", vaudio.index);  in io_set()
110 			printf("Audio output set to %d\n", vaudout.index);  in io_set()
131 		if (doioctl(fd, VIDIOC_G_OUTPUT, &output) == 0) {  in io_get()
134 			printf("Video output: %d", output);  in io_get()
135 			vout.index = output;  in io_get()
150 			printf("Audio output: %d (%s)\n", vaudout.index, vaudout.name);  in io_get()