libvpx: Pull from upstream

source/libvpx/vp9/encoder/vp9_lookahead.c

 /*
  *  Copyright (c) 2011 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.
  */
 #include <assert.h>
@@ skipping 70 matching lines @@
   }
   return ctx;
  bail:
   vp9_lookahead_destroy(ctx);
   return NULL;
 }
 
 #define USE_PARTIAL_COPY 0
 
 int vp9_lookahead_push(struct lookahead_ctx *ctx, YV12_BUFFER_CONFIG   *src,
-                       int64_t ts_start, int64_t ts_end, unsigned int flags,
-                       unsigned char *active_map) {
+                       int64_t ts_start, int64_t ts_end, unsigned int flags) {
   struct lookahead_entry *buf;
 #if USE_PARTIAL_COPY
   int row, col, active_end;
   int mb_rows = (src->y_height + 15) >> 4;
   int mb_cols = (src->y_width + 15) >> 4;
 #endif
 
   if (ctx->sz + 1 > ctx->max_sz)
     return 1;
   ctx->sz++;
@@ skipping 78 matching lines @@
     if (index >= (int)ctx->max_sz)
       index -= ctx->max_sz;
     buf = ctx->buf + index;
   }
   return buf;
 }
 
 unsigned int vp9_lookahead_depth(struct lookahead_ctx *ctx) {
   return ctx->sz;
 }