v4l2object: RGBA format is still not supported and seems like typo in 1.18
When convert video format to fourcc, the code is
case GST_VIDEO_FORMAT_RGBA: fourcc = V4L2_PIX_FMT_RGBA32; break;
when convert fourcc to video format, the code is
case V4L2_PIX_FMT_RGBA32: format = GST_VIDEO_FORMAT_RGB; break;
GST_VIDEO_FORMAT_RGB should be GST_VIDEO_FORMAT_RGBA to support RGBA format, right?