Convert channel counts to size_t.

webrtc/modules/audio_coding/acm2/acm_codec_database.h

 /*
  *  Copyright (c) 2012 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.
  */
 
@@ skipping 30 matching lines @@
   // packet_sizes_samples - list of the allowed packet sizes.
   // basic_block_samples  - assigned a value different from 0 if the codec
   //                        requires to be fed with a specific number of samples
   //                        that can be different from packet size.
   // channel_support      - number of channels supported to encode;
   //                        1 = mono, 2 = stereo, etc.
   struct CodecSettings {
     int num_packet_sizes;
     int packet_sizes_samples[kMaxNumPacketSize];
     int basic_block_samples;
-    int channel_support;
+    size_t channel_support;
   };
 
   // Returns codec id from database, given the information received in the input
   // [codec_inst].
   // Input:
   //   [codec_inst] - Information about the codec for which we require the
   //                  database id.
   // Return:
   //   codec id if successful, otherwise < 0.
   static int CodecNumber(const CodecInst& codec_inst);
   static int CodecId(const CodecInst& codec_inst);
-  static int CodecId(const char* payload_name, int frequency, int channels);
+  static int CodecId(const char* payload_name, int frequency, size_t channels);
   static int ReceiverCodecNumber(const CodecInst& codec_inst);
 
   // Databases with information about the supported codecs
   // database_ - stored information about all codecs: payload type, name,
   //             sampling frequency, packet size in samples, default channel
   //             support, and default rate.
   // codec_settings_ - stored codec settings: number of allowed packet sizes,
   //                   a vector with the allowed packet sizes, basic block
   //                   samples, and max number of channels that are supported.
   // neteq_decoders_ - list of supported decoders in NetEQ.
   static const CodecInst database_[kMaxNumCodecs];
   static const CodecSettings codec_settings_[kMaxNumCodecs];
   static const NetEqDecoder neteq_decoders_[kMaxNumCodecs];
 };
 
 }  // namespace acm2
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_AUDIO_CODING_ACM2_ACM_CODEC_DATABASE_H_