Implement close command

include/libmegapixels.h

@@ -90,6 +90,9 @@ libmegapixels_load_file(libmegapixels_devconfig **config, const char *file);
 EXPORT int
 libmegapixels_open(libmegapixels_camera *camera);
 
+EXPORT void
+libmegapixels_close(libmegapixels_camera *camera);
+
 EXPORT unsigned int
 libmegapixels_select_mode(libmegapixels_camera *camera, libmegapixels_mode *mode);
 

src/pipeline.c

@@ -169,6 +169,30 @@ libmegapixels_open(libmegapixels_camera *camera)
 	return 0;
 }
 
+void
+libmegapixels_close(libmegapixels_camera *camera)
+{
+	if (camera->media_fd != 0) {
+		close(camera->media_fd);
+		camera->media_fd = 0;
+	}
+	if (camera->sensor_fd != 0) {
+		close(camera->sensor_fd);
+		camera->sensor_fd = 0;
+	}
+	if (camera->video_fd != 0) {
+		close(camera->video_fd);
+		camera->video_fd = 0;
+	}
+
+	for (int i = 0; i < camera->num_handles; i++) {
+		if (camera->handles[i]->fd != 0) {
+			close(camera->handles[i]->fd);
+			camera->handles[i]->fd = 0;
+		}
+	}
+}
+
 unsigned int
 libmegapixels_select_mode(libmegapixels_camera *camera, libmegapixels_mode *mode)
 {