C++ (Cpp) v4l2_subdev_pixelcode_to_string Examples

Example #1

File: v4l2subdev.c Project: smarek/G361F-Platform

static int set_format(struct media_pad *pad,
		      struct v4l2_mbus_framefmt *format)
{
	int ret;

	if (format->width == 0 || format->height == 0)
		return 0;

	media_dbg(pad->entity->media,
		  "Setting up format %s %ux%u on pad %s/%u\n",
		  v4l2_subdev_pixelcode_to_string(format->code),
		  format->width, format->height,
		  pad->entity->info.name, pad->index);

	ret = v4l2_subdev_set_format(pad->entity, format, pad->index,
				     V4L2_SUBDEV_FORMAT_ACTIVE);
	if (ret < 0) {
		media_dbg(pad->entity->media,
			  "Unable to set format: %s (%d)\n",
			  strerror(-ret), ret);
		return ret;
	}

	media_dbg(pad->entity->media,
		  "Format set: %s %ux%u\n",
		  v4l2_subdev_pixelcode_to_string(format->code),
		  format->width, format->height);

	return 0;
}

Example #2

File: main.c Project: OpenPhoenux/gta04-rootfs

static void v4l2_subdev_print_format(struct media_entity *entity,
	unsigned int pad, enum v4l2_subdev_format_whence which)
{
	struct v4l2_mbus_framefmt format;
	struct v4l2_rect rect;
	int ret;

	ret = v4l2_subdev_get_format(entity, &format, pad, which);
	if (ret != 0)
		return;

	printf("\t\t[fmt:%s/%ux%u",
	       v4l2_subdev_pixelcode_to_string(format.code),
	       format.width, format.height);

	ret = v4l2_subdev_get_selection(entity, &rect, pad,
					V4L2_SEL_TGT_CROP_BOUNDS,
					which);
	if (ret == 0)
		printf("\n\t\t crop.bounds:(%u,%u)/%ux%u", rect.left, rect.top,
		       rect.width, rect.height);

	ret = v4l2_subdev_get_selection(entity, &rect, pad,
					V4L2_SEL_TGT_CROP,
					which);
	if (ret == 0)
		printf("\n\t\t crop:(%u,%u)/%ux%u", rect.left, rect.top,
		       rect.width, rect.height);

	ret = v4l2_subdev_get_selection(entity, &rect, pad,
					V4L2_SEL_TGT_COMPOSE_BOUNDS,
					which);
	if (ret == 0)
		printf("\n\t\t compose.bounds:(%u,%u)/%ux%u",
		       rect.left, rect.top, rect.width, rect.height);

	ret = v4l2_subdev_get_selection(entity, &rect, pad,
					V4L2_SEL_TGT_COMPOSE,
					which);
	if (ret == 0)
		printf("\n\t\t compose:(%u,%u)/%ux%u",
		       rect.left, rect.top, rect.width, rect.height);

	printf("]\n");
}