Express audio delay more precisely in frames rather than milliseconds.

media/audio/audio_input_device.cc

 // 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.
 
 #include "media/audio/audio_input_device.h"
 
 #include <stdint.h>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 321 matching lines @@
   }
   last_buffer_id_ = buffer->params.id;
 
   // Use pre-allocated audio bus wrapping existing block of shared memory.
   media::AudioBus* audio_bus = audio_buses_[current_segment_id_];
 
   // Deliver captured data to the client in floating point format and update
   // the audio delay measurement.
   capture_callback_->Capture(
       audio_bus,
       buffer->params.hardware_delay_bytes / bytes_per_ms_,  // Delay in ms

[chcunningham, 2016/02/11 01:25:42]

Another API expecing msec. Everyone OK to change this one later? Will file a bug
to track it.

[Henrik Grunell, 2016/02/12 17:47:01]

sgtm

[chcunningham, 2016/02/17 01:56:51]

Filed 587291. Added comment.

-      buffer->params.volume,
-      buffer->params.key_pressed);
+      buffer->params.volume, buffer->params.key_pressed);
 
   if (++current_segment_id_ >= total_segments_)
     current_segment_id_ = 0;
 }
 
 }  // namespace media