libvpx: Pull from upstream

source/libvpx/examples/force_keyframe.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 101 matching lines @@
 static void write_ivf_frame_header(FILE *outfile,
                                    const vpx_codec_cx_pkt_t *pkt)
 {
     char             header[12];
     vpx_codec_pts_t  pts;
 
     if(pkt->kind != VPX_CODEC_CX_FRAME_PKT)
         return;
 
     pts = pkt->data.frame.pts;
-    mem_put_le32(header, pkt->data.frame.sz);
+    mem_put_le32(header, (unsigned int)pkt->data.frame.sz);
     mem_put_le32(header+4, pts&0xFFFFFFFF);
     mem_put_le32(header+8, pts >> 32);
 
     (void) fwrite(header, 1, 12, outfile);
 }
 
 int main(int argc, char **argv) {
     FILE                *infile, *outfile;
     vpx_codec_ctx_t      codec;
     vpx_codec_enc_cfg_t  cfg;
@@ skipping 83 matching lines @@
     vpx_img_free(&raw);
     if(vpx_codec_destroy(&codec))
         die_codec(&codec, "Failed to destroy codec");
 
     /* Try to rewrite the file header with the actual frame count */
     if(!fseek(outfile, 0, SEEK_SET))
         write_ivf_file_header(outfile, &cfg, frame_cnt-1);
     fclose(outfile);
     return EXIT_SUCCESS;
 }