libvpx: Pull from upstream

source/libvpx/vpx/svc_context.h

 /*
  *  Copyright (c) 2013 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 96 matching lines @@
  * return size of encoded data to be returned by vpx_svc_get_buffer
  */
 size_t vpx_svc_get_frame_size(const SvcContext *svc_ctx);
 
 /**
  * return buffer with encoded data
  */
 void *vpx_svc_get_buffer(const SvcContext *svc_ctx);
 
 /**
+ * return size of two pass rate control stats data to be returned by
+ * vpx_svc_get_rc_stats_buffer
+ */
+size_t vpx_svc_get_rc_stats_buffer_size(const SvcContext *svc_ctx);
+
+/**
+ * return buffer two pass of rate control stats data
+ */
+char *vpx_svc_get_rc_stats_buffer(const SvcContext *svc_ctx);
+
+/**
  * return spatial resolution of the specified layer
  */
 vpx_codec_err_t vpx_svc_get_layer_resolution(const SvcContext *svc_ctx,
                                              int layer,
                                              unsigned int *width,
                                              unsigned int *height);
 /**
  * return number of frames that have been encoded
  */
 int vpx_svc_get_encode_frame_count(const SvcContext *svc_ctx);
 
 /**
  * return 1 if last encoded frame was a keyframe
  */
 int vpx_svc_is_keyframe(const SvcContext *svc_ctx);
 
 /**
  * force the next frame to be a keyframe
  */
 void vpx_svc_set_keyframe(SvcContext *svc_ctx);
 
 #ifdef __cplusplus
 }  // extern "C"
 #endif
 
 #endif  // VPX_SVC_CONTEXT_H_