videolevels: add ROI properties, defaulting to center half of image

2021-07-09 10:17:59 -04:00
parent a0d62b4651
commit 47ca2f3910
2 changed files with 136 additions and 27 deletions
--- a/gst/videoadjust/gstvideolevels.h
+++ b/gst/videoadjust/gstvideolevels.h
@@ -85,12 +85,17 @@ struct _GstVideoLevels
  gint upper_output;
  gfloat lower_pix_sat;
  gfloat upper_pix_sat;
+  gint roi_x;
+  gint roi_y;
+  gint roi_width;
+  gint roi_height;

  /* tables */
  gpointer lookup_table;

  GstVideoLevelsAuto auto_adjust;
  guint64 interval;
+  gboolean check_roi;
  gint nbins;
  gint * histogram;