add audio-buffer-size command line flag support to the input audio for all the platforms

media/audio/audio_parameters.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MEDIA_AUDIO_AUDIO_PARAMETERS_H_
 #define MEDIA_AUDIO_AUDIO_PARAMETERS_H_
 
 #include "base/basictypes.h"
 #include "base/time/time.h"
 #include "media/base/channel_layout.h"
@@ skipping 90 matching lines @@
   bool operator==(const AudioParameters& other) const {
     return format_ == other.format() &&
            sample_rate_ == other.sample_rate() &&
            channel_layout_ == other.channel_layout() &&
            channels_ == other.channels() &&
            input_channels_ == other.input_channels() &&
            bits_per_sample_ == other.bits_per_sample() &&
            frames_per_buffer_ == other.frames_per_buffer() &&
            effects_ == other.effects();
   }
+  bool operator!=(const AudioParameters& other) const {
+    return format_ != other.format() ||
+           sample_rate_ != other.sample_rate() ||
+           channel_layout_ != other.channel_layout() ||
+           channels_ != other.channels() ||
+           input_channels_ != other.input_channels() ||
+           bits_per_sample_ != other.bits_per_sample() ||
+           frames_per_buffer_ != other.frames_per_buffer() ||
+           effects_ != other.effects();
+  }
 
  private:
   // These members are mutable to support entire struct assignment. They should
   // not be mutated individually.
   Format format_;                 // Format of the stream.
   ChannelLayout channel_layout_;  // Order of surround sound channels.
   int sample_rate_;               // Sampling frequency/rate.
   int bits_per_sample_;           // Number of bits per sample.
   int frames_per_buffer_;         // Number of frames in a buffer.
 
@@ skipping 16 matching lines @@
   if (a.sample_rate() != b.sample_rate())
     return a.sample_rate() < b.sample_rate();
   if (a.bits_per_sample() != b.bits_per_sample())
     return a.bits_per_sample() < b.bits_per_sample();
   return a.frames_per_buffer() < b.frames_per_buffer();
 }
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_AUDIO_PARAMETERS_H_