Add muted_output parameter to ACM

webrtc/modules/audio_coding/acm2/audio_coding_module_impl.cc

 /*
  *  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 773 matching lines @@
     WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceAudioCoding, id_,
                  "Delay must be in the range of 0-1000 milliseconds.");
     return -1;
   }
   return receiver_.SetMaximumDelay(time_ms);
 }
 
 // Get 10 milliseconds of raw audio data to play out.
 // Automatic resample to the requested frequency.
 int AudioCodingModuleImpl::PlayoutData10Ms(int desired_freq_hz,
-                                           AudioFrame* audio_frame) {
+                                           AudioFrame* audio_frame,
+                                           bool* muted) {
   // GetAudio always returns 10 ms, at the requested sample rate.
-  if (receiver_.GetAudio(desired_freq_hz, audio_frame) != 0) {
+  if (receiver_.GetAudio(desired_freq_hz, audio_frame, muted) != 0) {
     WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceAudioCoding, id_,
                  "PlayoutData failed, RecOut Failed");
     return -1;
   }
   audio_frame->id_ = id_;
   return 0;
 }
 
+int AudioCodingModuleImpl::PlayoutData10Ms(int desired_freq_hz,
+                                           AudioFrame* audio_frame) {
+  bool muted;
+  int ret = PlayoutData10Ms(desired_freq_hz, audio_frame, &muted);
+  RTC_DCHECK(!muted);

[minyue-webrtc, 2016/05/13 09:43:12]

Is it possible to check enable_fast_accelerate of neteq, at the beginning of
call, instead. If not straightforward (and this func is gonna be remove anyway),
add a comment to help reading.

[hlundin-webrtc, 2016/05/13 09:45:52]

The config is not stored anywhere, so it is not straightforward. Leaving this as
is.

+  return ret;
+}
+
 /////////////////////////////////////////
 //   Statistics
 //
 
 // TODO(turajs) change the return value to void. Also change the corresponding
 // NetEq function.
 int AudioCodingModuleImpl::GetNetworkStatistics(NetworkStatistics* statistics) {
   receiver_.GetNetworkStatistics(statistics);
   return 0;
 }
@@ skipping 123 matching lines @@
   return receiver_.LeastRequiredDelayMs();
 }
 
 void AudioCodingModuleImpl::GetDecodingCallStatistics(
       AudioDecodingCallStats* call_stats) const {
   receiver_.GetDecodingCallStatistics(call_stats);
 }
 
 }  // namespace acm2
 }  // namespace webrtc