C++ (Cpp) gsc_cap_remote_subdev Beispiele

Beispiel #1

Datei: gsc-capture.c Projekt: hedongjie/m35x

static int gsc_capture_g_crop(struct file *file, void *fh, struct v4l2_crop *crop)
{
	struct gsc_dev *gsc = video_drvdata(file);
	struct v4l2_subdev *subdev;
	struct v4l2_subdev_crop subdev_crop;
	int ret;

	subdev = gsc_cap_remote_subdev(gsc, NULL);
	if (subdev == NULL)
		return -EINVAL;

	/* Try the get crop operation first and fallback to get format if not
	 * implemented.
	 */
	subdev_crop.which = V4L2_SUBDEV_FORMAT_ACTIVE;
	subdev_crop.pad = GSC_PAD_SOURCE;
	ret = v4l2_subdev_call(subdev, pad, get_crop, NULL, &subdev_crop);
	if (ret < 0)
		return ret == -ENOIOCTLCMD ? -EINVAL : ret;

	crop->c.left = subdev_crop.rect.left;
	crop->c.top = subdev_crop.rect.top;
	crop->c.width = subdev_crop.rect.width;
	crop->c.height = subdev_crop.rect.height;

	return 0;
}

Beispiel #2

Datei: gsc-capture.c Projekt: ArthySundaram/chromeos-kvm

static int gsc_capture_g_crop(struct file *file, void *fh, struct v4l2_crop *crop)
{
	struct gsc_dev *gsc = video_drvdata(file);
	struct v4l2_subdev_format format;
	struct v4l2_subdev *subdev;
	u32 pad;
	int ret;

	subdev = gsc_cap_remote_subdev(gsc, &pad);
	if (subdev == NULL)
		return -EINVAL;

	/* Try the get crop operation first and fallback to get format if not
	 * implemented.
	 */
	ret = v4l2_subdev_call(subdev, video, g_crop, crop);
	if (ret != -ENOIOCTLCMD)
		return ret;

	format.pad = pad;
	format.which = V4L2_SUBDEV_FORMAT_ACTIVE;
	ret = v4l2_subdev_call(subdev, pad, get_fmt, NULL, &format);
	if (ret < 0)
		return ret == -ENOIOCTLCMD ? -EINVAL : ret;

	crop->c.left = 0;
	crop->c.top = 0;
	crop->c.width = format.format.width;
	crop->c.height = format.format.height;

	return 0;
}

Beispiel #3

Datei: gsc-capture.c Projekt: ArthySundaram/chromeos-kvm

static int gsc_capture_s_crop(struct file *file, void *fh, struct v4l2_crop *crop)
{
	struct gsc_dev *gsc = video_drvdata(file);
	struct v4l2_subdev *subdev;
	int ret;

	subdev = gsc_cap_remote_subdev(gsc, NULL);
	if (subdev == NULL)
		return -EINVAL;

	ret = v4l2_subdev_call(subdev, video, s_crop, crop);

	return ret == -ENOIOCTLCMD ? -EINVAL : ret;
}

Beispiel #4

Datei: gsc-capture.c Projekt: hedongjie/m35x

static int gsc_capture_s_crop(struct file *file, void *fh, struct v4l2_crop *crop)
{
	struct gsc_dev *gsc = video_drvdata(file);
	struct v4l2_subdev *subdev;
	struct v4l2_subdev_crop subdev_crop;
	int ret;

	subdev = gsc_cap_remote_subdev(gsc, NULL);
	if (subdev == NULL)
		return -EINVAL;

	subdev_crop.which = V4L2_SUBDEV_FORMAT_ACTIVE;
	subdev_crop.pad = GSC_PAD_SOURCE;
	subdev_crop.rect.left = crop->c.left;
	subdev_crop.rect.top = crop->c.top;
	subdev_crop.rect.width = crop->c.width;
	subdev_crop.rect.height = crop->c.height;

	ret = v4l2_subdev_call(subdev, pad, set_crop, NULL, &subdev_crop);

	return ret == -ENOIOCTLCMD ? -EINVAL : ret;
}