static int
uvc_gadget_stream(struct uvc_gadget_device *dev, int enable)
{
int ret;
if (enable) {
xprint(xLOGDBG, "Starting video stream\n");
ret = v4l2_stream_on(dev->fd, dev->type);
} else {
xprint(xLOGDBG, "Stopping video stream\n");
ret = v4l2_stream_off(dev->fd, dev->type);
}
return ret;
}
/*
* Initializes camera for streaming
*/
int init_camera(void)
{
/* Declare properties for camera */
camera.memory_mode = V4L2_MEMORY_MMAP;
camera.num_buffers = 3;
strcpy(camera.dev_name,"/dev/video0");
strcpy(camera.name,"Camera");
camera.buffers = NULL;
camera.fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV;
camera.width = 640;
camera.height = 480;
/* Initialize the v4l2 capture devices */
if (v4l2_init_device(&camera) < 0) goto Error;
/* Enable streaming for the v4l2 capture devices */
if (v4l2_stream_on(&camera) < 0) goto Error;
return 0;
Error:
close_camera();
return -1;
}
