shithub: libvpx

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vpx_roi_map: add delta range info

Change-Id: If2ef4400562075b4e7abadc01638a46c0c7f1859

--- a/vpx/vp8cx.h

+++ b/vpx/vp8cx.h

@@ -808,8 +808,8 @@

   unsigned int rows; /**< Number of rows. */

   unsigned int cols; /**< Number of columns. */

   /*! VP8 only uses the first 4 segments. VP9 uses 8 segments. */

-  int delta_q[8];  /**< Quantizer deltas. */

-  int delta_lf[8]; /**< Loop filter deltas. */

+  int delta_q[8];  /**< Quantizer deltas. Valid range: [-63, 63].*/

+  int delta_lf[8]; /**< Loop filter deltas. Valid range: [-63, 63].*/

   /*! skip and ref frame segment is only used in VP9. */

   int skip[8];      /**< Skip this block. */

   int ref_frame[8]; /**< Reference frame for this block. */