shithub: libvpx

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Cap delta_q_uv to -15..15

only 4 bits in bitstream

Change-Id: I338fe54475e094ee5e556467e0b66c982bb560fa

--- a/vp9/vp9_cx_iface.c

+++ b/vp9/vp9_cx_iface.c

@@ -1650,7 +1650,7 @@

                                            va_list args) {

   struct vp9_extracfg extra_cfg = ctx->extra_cfg;

   int data = va_arg(args, int);

-  data = VPXMIN(VPXMAX(data, -20), 20);

+  data = VPXMIN(VPXMAX(data, -15), 15);

   extra_cfg.delta_q_uv = data;

   return update_extra_cfg(ctx, &extra_cfg);

 }

--- a/vpx/vp8cx.h

+++ b/vpx/vp8cx.h

@@ -679,7 +679,7 @@

   /*!\brief Codec control function to set delta q for uv.

    *

-   * Cap it at +/-20 for now.

+   * Cap it at +/-15.

    *

    * Supported in codecs: VP9

    */