libvpx: Pull from upstream

source/libvpx/vpx_scale/yv12config.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.
  */
 
@@ skipping 55 matching lines @@
                                 int width, int height, int border);
 int vp8_yv12_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
                                   int width, int height, int border);
 int vp8_yv12_de_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf);
 
 int vp9_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
                            int width, int height, int ss_x, int ss_y,
 #if CONFIG_VP9_HIGHBITDEPTH
                            int use_highbitdepth,
 #endif
-                           int border);
+                           int border, int byte_alignment);
 
-// Updates the yv12 buffer config with the frame buffer. If cb is not
+// Updates the yv12 buffer config with the frame buffer. |byte_alignment| must
+// be a power of 2, from 32 to 1024. 0 sets legacy alignment. If cb is not
 // NULL, then libvpx is using the frame buffer callbacks to handle memory.
 // If cb is not NULL, libvpx will call cb with minimum size in bytes needed
 // to decode the current frame. If cb is NULL, libvpx will allocate memory
 // internally to decode the current frame. Returns 0 on success. Returns < 0
 // on failure.
 int vp9_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
                              int width, int height, int ss_x, int ss_y,
 #if CONFIG_VP9_HIGHBITDEPTH
                              int use_highbitdepth,
 #endif
                              int border,
+                             int byte_alignment,
                              vpx_codec_frame_buffer_t *fb,
                              vpx_get_frame_buffer_cb_fn_t cb,
                              void *cb_priv);
 int vp9_free_frame_buffer(YV12_BUFFER_CONFIG *ybf);
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif  // VPX_SCALE_YV12CONFIG_H_