kee

commit 72622792a915772e966930afec67527f5f9eb3ac
parent 61c2d914e23bba50107a3d78db1c5124d5b79f7b
Author: lash <dev@holbrook.no>
Date:   Tue, 30 Apr 2024 19:04:04 +0100

Use dir scanning to handle gaps in vid dev names

Diffstat:
M
src/camera.c
 | 
20
+++++++++++++++++++-

1 file changed, 19 insertions(+), 1 deletion(-)
diff --git a/src/camera.c b/src/camera.c
@@ -4,6 +4,8 @@
 #include <fcntl.h>
 #include <sys/ioctl.h>
 #include <linux/videodev2.h>
+#include <dirent.h>
+#include <sys/types.h>
 
 #include "err.h"
 #include "debug.h"
@@ -19,13 +21,28 @@ int kee_camera_scan(struct kee_camera_devices *devices) {
 	struct kee_camera_devices *p;
 	struct v4l2_capability video_cap;
 	char s[1024];
+	struct dirent *de;
+	DIR *d;
 
 	p = devices;
 	memset(p, 0, sizeof(struct kee_camera_devices));
 	devnum = 0;
+	d = opendir("/dev");
 	while (1) {
+		strcpy(p->path, "/dev/");
+		de = readdir(d);
+		if (de == NULL) {
+			break;
+		}
+		if (strlen(de->d_name) < 6) {
+			continue;
+		}
+		if (memcmp(de->d_name, "video", 5)) {
+			continue;
+		}
 		//sprintf(dev.path, KEE_VIDEO_DEVICE_TEMPLATE, devnum);
-		sprintf(p->path, "/dev/video%d", devnum);
+		//sprintf(p->path, "/dev/video%d", devnum);
+		strcpy(p->path + 5, de->d_name);
 		fd = open(p->path, O_RDONLY);
 		if (fd < 0) {
 			p->path[0] = 0;
@@ -55,6 +72,7 @@ int kee_camera_scan(struct kee_camera_devices *devices) {
 		p = p->next;
 		devnum++;
 	}
+	closedir(d);
 	return ERR_OK;
 }