Update libvpx snapshot to v0.9.7-p1 (Cayuga).

source/libvpx/vp8/common/entropymv.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.
  */
 
 
 #ifndef __INC_ENTROPYMV_H
 #define __INC_ENTROPYMV_H
 
 #include "treecoder.h"
 
 enum
 {
     mv_max  = 1023,              /* max absolute value of a MV component */
     MVvals = (2 * mv_max) + 1,   /* # possible values "" */
+    mvfp_max  = 255,              /* max absolute value of a full pixel MV component */
+    MVfpvals = (2 * mvfp_max) +1, /* # possible full pixel MV values */
 
     mvlong_width = 10,       /* Large MVs have 9 bit magnitudes */
     mvnum_short = 8,         /* magnitudes 0 through 7 */
 
     /* probability offsets for coding each MV component */
 
     mvpis_short = 0,         /* short (<= 7) vs long (>= 8) */
     MVPsign,                /* sign for non-zero */
     MVPshort,               /* 8 short values = 7-position tree */
 
     MVPbits = MVPshort + mvnum_short - 1, /* mvlong_width long value bits */
     MVPcount = MVPbits + mvlong_width    /* (with independent probabilities) */
 };
 
 typedef struct mv_context
 {
     vp8_prob prob[MVPcount];  /* often come in row, col pairs */
 } MV_CONTEXT;
 
 extern const MV_CONTEXT vp8_mv_update_probs[2], vp8_default_mv_context[2];
 
 #endif