libvpx: Pull from upstream

source/libvpx/examples/postproc.c

 /*
  *  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 100 matching lines @@
     if (vpx_codec_control(&codec, VP8_SET_POSTPROC, &pp))
       die_codec(&codec, "Failed to turn off postproc.");
     } else if (frame_cnt % 30 == 16) {
       vp8_postproc_cfg_t pp = {VP8_DEBLOCK | VP8_DEMACROBLOCK | VP8_MFQE,
                                4, 0};
       if (vpx_codec_control(&codec, VP8_SET_POSTPROC, &pp))
         die_codec(&codec, "Failed to turn on postproc.");
     };
 
     // Decode the frame with 15ms deadline
-    if (vpx_codec_decode(&codec, frame, frame_size, NULL, 15000))
+    if (vpx_codec_decode(&codec, frame, (unsigned int)frame_size, NULL, 15000))
       die_codec(&codec, "Failed to decode frame");
 
     while ((img = vpx_codec_get_frame(&codec, &iter)) != NULL) {
       vpx_img_write(img, outfile);
     }
   }
 
   printf("Processed %d frames.\n", frame_cnt);
   if (vpx_codec_destroy(&codec))
     die_codec(&codec, "Failed to destroy codec");
 
   printf("Play: ffplay -f rawvideo -pix_fmt yuv420p -s %dx%d %s\n",
          info->frame_width, info->frame_height, argv[2]);
 
   vpx_video_reader_close(reader);
 
   fclose(outfile);
   return EXIT_SUCCESS;
 }