[NOT FOR REVIEW] Convert channel counts to size_t.

webrtc/modules/audio_processing/beamformer/nonlinear_beamformer_test.cc

 /*
  *  Copyright (c) 2014 The WebRTC 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.
  */
 
 #include <vector>
 
 #include "gflags/gflags.h"
 #include "webrtc/base/checks.h"
+#include "webrtc/base/format_macros.h"
 #include "webrtc/common_audio/channel_buffer.h"
 #include "webrtc/common_audio/wav_file.h"
 #include "webrtc/modules/audio_processing/beamformer/nonlinear_beamformer.h"
 #include "webrtc/modules/audio_processing/test/test_utils.h"
 
 DEFINE_string(i, "", "The name of the input file to read from.");
 DEFINE_string(o, "out.wav", "Name of the output file to write to.");
 DEFINE_string(mic_positions, "",
     "Space delimited cartesian coordinates of microphones in meters. "
     "The coordinates of each point are contiguous. "
@@ skipping 20 matching lines @@
   WavWriter out_file(FLAGS_o, in_file.sample_rate(), 1);
 
   const size_t num_mics = in_file.num_channels();
   const std::vector<Point> array_geometry =
       ParseArrayGeometry(FLAGS_mic_positions, num_mics);
   CHECK_EQ(array_geometry.size(), num_mics);
 
   NonlinearBeamformer bf(array_geometry);
   bf.Initialize(kChunkSizeMs, in_file.sample_rate());
 
-  printf("Input file: %s\nChannels: %d, Sample rate: %d Hz\n\n",
+  printf("Input file: %s\nChannels: %" PRIuS ", Sample rate: %d Hz\n\n",
          FLAGS_i.c_str(), in_file.num_channels(), in_file.sample_rate());
-  printf("Output file: %s\nChannels: %d, Sample rate: %d Hz\n\n",
+  printf("Output file: %s\nChannels: %" PRIuS ", Sample rate: %d Hz\n\n",
          FLAGS_o.c_str(), out_file.num_channels(), out_file.sample_rate());
 
   ChannelBuffer<float> in_buf(
       rtc::CheckedDivExact(in_file.sample_rate(), kChunksPerSecond),
       in_file.num_channels());
   ChannelBuffer<float> out_buf(
       rtc::CheckedDivExact(out_file.sample_rate(), kChunksPerSecond),
       out_file.num_channels());
 
   std::vector<float> interleaved(in_buf.size());
@@ skipping 12 matching lines @@
   }
 
   return 0;
 }
 
 }  // namespace webrtc
 
 int main(int argc, char* argv[]) {
   return webrtc::main(argc, argv);
 }