libvpx: Pull from upstream

source/libvpx/webmdec.cc

 /*
  *  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 90 matching lines @@
     vpx_ctx->fourcc = VP8_FOURCC;
   } else if (!strncmp(video_track->GetCodecId(), "V_VP9", 5)) {
     vpx_ctx->fourcc = VP9_FOURCC;
   } else {
     rewind_and_reset(webm_ctx, vpx_ctx);
     return 0;
   }
 
   vpx_ctx->framerate.denominator = 0;
   vpx_ctx->framerate.numerator = 0;
-  vpx_ctx->width = video_track->GetWidth();
-  vpx_ctx->height = video_track->GetHeight();
+  vpx_ctx->width = static_cast<uint32_t>(video_track->GetWidth());
+  vpx_ctx->height = static_cast<uint32_t>(video_track->GetHeight());
 
   get_first_cluster(webm_ctx);
 
   return 1;
 }
 
 int webm_read_frame(struct WebmInputContext *webm_ctx,
                     uint8_t **buffer,
                     size_t *bytes_in_buffer,
                     size_t *buffer_size) {
@@ skipping 87 matching lines @@
   webm_ctx->block_entry = NULL;
   webm_ctx->block_frame_index = 0;
   webm_ctx->timestamp_ns = 0;
 
   return 0;
 }
 
 void webm_free(struct WebmInputContext *webm_ctx) {
   reset(webm_ctx);
 }