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 47 matching lines @@
 
   // Clamp the lookahead queue depth
   depth = clamp(depth, 1, MAX_LAG_BUFFERS);
 
   // Allocate memory to keep previous source frames available.
   depth += MAX_PRE_FRAMES;
 
   // Allocate the lookahead structures
   ctx = calloc(1, sizeof(*ctx));
   if (ctx) {
+    const int legacy_byte_alignment = 0;
     unsigned int i;
     ctx->max_sz = depth;
     ctx->buf = calloc(depth, sizeof(*ctx->buf));
     if (!ctx->buf)
       goto bail;
     for (i = 0; i < depth; i++)
       if (vp9_alloc_frame_buffer(&ctx->buf[i].img,
                                  width, height, subsampling_x, subsampling_y,
 #if CONFIG_VP9_HIGHBITDEPTH
                                  use_highbitdepth,
 #endif
-                                 VP9_ENC_BORDER_IN_PIXELS))
+                                 VP9_ENC_BORDER_IN_PIXELS,
+                                 legacy_byte_alignment))
         goto bail;
   }
   return ctx;
  bail:
   vp9_lookahead_destroy(ctx);
   return NULL;
 }
 
 #define USE_PARTIAL_COPY 0
 
@@ skipping 102 matching lines @@
       buf = ctx->buf + index;
     }
   }
 
   return buf;
 }
 
 unsigned int vp9_lookahead_depth(struct lookahead_ctx *ctx) {
   return ctx->sz;
 }