libvpx: Pull from upstream

source/libvpx/y4minput.h

 /*
  *  Copyright (c) 2010 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.
  *
  *  Based on code from the OggTheora software codec source code,
@@ skipping 40 matching lines @@
   /*The amount to read directly into the converted frame buffer.*/
   size_t            dst_buf_read_sz;
   /*The size of the auxilliary buffer.*/
   size_t            aux_buf_sz;
   /*The amount to read into the auxilliary buffer.*/
   size_t            aux_buf_read_sz;
   y4m_convert_func  convert;
   unsigned char    *dst_buf;
   unsigned char    *aux_buf;
   enum vpx_img_fmt  vpx_fmt;
-  int               vpx_bps;
+  int               bps;
+  unsigned int      bit_depth;
 };
 
 int y4m_input_open(y4m_input *_y4m, FILE *_fin, char *_skip, int _nskip,
                    int only_420);
 void y4m_input_close(y4m_input *_y4m);
 int y4m_input_fetch_frame(y4m_input *_y4m, FILE *_fin, vpx_image_t *img);
 
 #ifdef __cplusplus
 }  // extern "C"
 #endif
 
 #endif  // Y4MINPUT_H_