X-Git-Url: https://git.ao2.it/libam7xxx.git/blobdiff_plain/b3cc25c31d6bfc95aa1bd8a63c85f0b5cab60d11..2c897cad505d3ba27723dcff7252ff123d90ab53:/examples/am7xxx-play.c

diff --git a/examples/am7xxx-play.c b/examples/am7xxx-play.c
index af15949..668c18c 100644
--- a/examples/am7xxx-play.c
+++ b/examples/am7xxx-play.c
@@ -581,6 +581,7 @@ static void usage(char *name)
 {
 	printf("usage: %s [OPTIONS]\n\n", name);
 	printf("OPTIONS:\n");
+	printf("\t-d <index>\t\tthe device index (default is 0)\n");
 	printf("\t-f <input format>\tthe input device format\n");
 	printf("\t-i <input path>\t\tthe input path\n");
 	printf("\t-o <options>\t\ta comma separated list of input format options\n");
@@ -594,8 +595,10 @@ static void usage(char *name)
 	printf("\t\t\t\t\t2 - NV12\n");
 	printf("\t-q <quality>\t\tquality of jpeg sent to the device, between 1 and 100\n");
 	printf("\t-l <log level>\t\tthe verbosity level of libam7xxx output (0-5)\n");
-	printf("\t-p <power level>\tpower level of device, between %x (off) and %x (maximum)\n", AM7XXX_POWER_OFF, AM7XXX_POWER_TURBO);
-	printf("\t\t\t\tWARNING: Level 2 and greater require the master AND\n\t\t\t\t\t the slave connector to be plugged in.\n");
+	printf("\t-p <power mode>\t\tthe power mode of device, between %d (off) and %d (turbo)\n",
+	       AM7XXX_POWER_OFF, AM7XXX_POWER_TURBO);
+	printf("\t\t\t\tWARNING: Level 2 and greater require the master AND\n");
+	printf("\t\t\t\t         the slave connector to be plugged in.\n");
 	printf("\t-z <zoom mode>\t\tthe display zoom mode, between %d (original) and %d (test)\n",
 	       AM7XXX_ZOOM_ORIGINAL, AM7XXX_ZOOM_TEST);
 	printf("\t-h \t\t\tthis help message\n");
@@ -620,14 +623,23 @@ int main(int argc, char *argv[])
 	unsigned int upscale = 0;
 	unsigned int quality = 95;
 	int log_level = AM7XXX_LOG_INFO;
+	int device_index = 0;
 	am7xxx_power_mode power_mode = AM7XXX_POWER_LOW;
 	am7xxx_zoom_mode zoom = AM7XXX_ZOOM_ORIGINAL;
 	int format = AM7XXX_IMAGE_FORMAT_JPEG;
 	am7xxx_context *ctx;
 	am7xxx_device *dev;
 
-	while ((opt = getopt(argc, argv, "f:i:o:s:uF:q:l:p:z:h")) != -1) {
+	while ((opt = getopt(argc, argv, "d:f:i:o:s:uF:q:l:p:z:h")) != -1) {
 		switch (opt) {
+		case 'd':
+			device_index = atoi(optarg);
+			if (device_index < 0) {
+				fprintf(stderr, "Unsupported device index\n");
+				ret = -EINVAL;
+				goto out;
+			}
+			break;
 		case 'f':
 			input_format_string = strdup(optarg);
 			break;
@@ -718,10 +730,11 @@ int main(int argc, char *argv[])
 			case AM7XXX_POWER_MIDDLE:
 			case AM7XXX_POWER_HIGH:
 			case AM7XXX_POWER_TURBO:
-				fprintf(stdout, "Power mode: %x\n", power_mode);
+				fprintf(stdout, "Power mode: %d\n", power_mode);
 				break;
 			default:
-				fprintf(stderr, "Invalid power mode value, must be between %x and %x\n", AM7XXX_POWER_OFF, AM7XXX_POWER_TURBO);
+				fprintf(stderr, "Invalid power mode value, must be between %d and %d\n",
+					AM7XXX_POWER_OFF, AM7XXX_POWER_TURBO);
 				ret = -EINVAL;
 				goto out;
 			}
@@ -794,7 +807,7 @@ int main(int argc, char *argv[])
 
 	am7xxx_set_log_level(ctx, log_level);
 
-	ret = am7xxx_open_device(ctx, &dev, 0);
+	ret = am7xxx_open_device(ctx, &dev, device_index);
 	if (ret < 0) {
 		perror("am7xxx_open_device");
 		goto cleanup;