libvpx: Pull from upstream

source/libvpx/vpx/vpx_encoder.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 VPX_VPX_ENCODER_H_
@@ skipping 592 matching lines @@
     /*
      * Spatial scalability settings (ss)
      */
 
     /*!\brief Number of spatial coding layers.
      *
      * This value specifies the number of spatial coding layers to be used.
      */
     unsigned int           ss_number_layers;
 
+    /*!\brief Target bitrate for each spatial layer.
+     *
+     * These values specify the target coding bitrate to be used for each
+     * spatial layer.
+     */
+    unsigned int           ss_target_bitrate[VPX_SS_MAX_LAYERS];
+
     /*!\brief Number of temporal coding layers.
      *
      * This value specifies the number of temporal layers to be used.
      */
     unsigned int           ts_number_layers;
 
     /*!\brief Target bitrate for each temporal layer.
      *
      * These values specify the target coding bitrate to be used for each
      * temporal layer.
@@ skipping 305 matching lines @@
    */
   const vpx_image_t *vpx_codec_get_preview_frame(vpx_codec_ctx_t   *ctx);
 
 
   /*!@} - end defgroup encoder*/
 #ifdef __cplusplus
 }
 #endif
 #endif  // VPX_VPX_ENCODER_H_