libvpx: Pull from upstream

source/libvpx/vp9/vp9_iface_common.h

 /*
  *  Copyright (c) 2013 The WebM project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 #ifndef VP9_VP9_IFACE_COMMON_H_
@@ skipping 13 matching lines @@
       img->fmt = VPX_IMG_FMT_I444;
       bps = 24;
     } else {
       img->fmt = VPX_IMG_FMT_I422;
       bps = 16;
     }
   } else {
     img->fmt = VPX_IMG_FMT_I420;
     bps = 12;
   }
+  img->bit_depth = 8;
   img->w = yv12->y_stride;
   img->h = ALIGN_POWER_OF_TWO(yv12->y_height + 2 * VP9_ENC_BORDER_IN_PIXELS, 3);
   img->d_w = yv12->y_crop_width;
   img->d_h = yv12->y_crop_height;
   img->x_chroma_shift = ss_x;
   img->y_chroma_shift = ss_y;
   img->planes[VPX_PLANE_Y] = yv12->y_buffer;
   img->planes[VPX_PLANE_U] = yv12->u_buffer;
   img->planes[VPX_PLANE_V] = yv12->v_buffer;
   img->planes[VPX_PLANE_ALPHA] = yv12->alpha_buffer;
@@ skipping 37 matching lines @@
   // For development purposes, force alpha to hold the same data as Y for now.
   yv12->alpha_buffer = yv12->y_buffer;
   yv12->alpha_width = yv12->y_width;
   yv12->alpha_height = yv12->y_height;
   yv12->alpha_stride = yv12->y_stride;
 #endif
   return VPX_CODEC_OK;
 }
 
 #endif  // VP9_VP9_IFACE_COMMON_H_