Send data from mixer to APM limiter more often.

webrtc/modules/audio_mixer/frame_combiner_unittest.cc

 /*
  *  Copyright (c) 2017 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 39 matching lines @@
     for (const int number_of_channels : {1, 2}) {
       const std::vector<AudioFrame*> all_frames = {&frame1, &frame2};
       SetUpFrames(rate, number_of_channels);
 
       for (const int number_of_frames : {0, 1, 2}) {
         SCOPED_TRACE(
             ProduceDebugText(rate, number_of_channels, number_of_frames));
         const std::vector<AudioFrame*> frames_to_combine(
             all_frames.begin(), all_frames.begin() + number_of_frames);
         combiner.Combine(frames_to_combine, number_of_channels, rate,
-                         &audio_frame_for_mixing);
+                         frames_to_combine.size(), &audio_frame_for_mixing);
       }
     }
   }
 }
 
 // No APM limiter means no AudioProcessing::NativeRate restriction
 // on rate. The rate has to be divisible by 100 since we use
 // 10 ms frames, though.
 TEST(FrameCombiner, BasicApiCallsNoLimiter) {
   FrameCombiner combiner(false);
   for (const int rate : {8000, 10000, 11000, 32000, 44100}) {
     for (const int number_of_channels : {1, 2}) {
       const std::vector<AudioFrame*> all_frames = {&frame1, &frame2};
       SetUpFrames(rate, number_of_channels);
 
       for (const int number_of_frames : {0, 1, 2}) {
         SCOPED_TRACE(
             ProduceDebugText(rate, number_of_channels, number_of_frames));
         const std::vector<AudioFrame*> frames_to_combine(
             all_frames.begin(), all_frames.begin() + number_of_frames);
         combiner.Combine(frames_to_combine, number_of_channels, rate,
-                         &audio_frame_for_mixing);
+                         frames_to_combine.size(), &audio_frame_for_mixing);
       }
     }
   }
 }
 
 TEST(FrameCombiner, CombiningZeroFramesShouldProduceSilence) {
   FrameCombiner combiner(false);
   for (const int rate : {8000, 10000, 11000, 32000, 44100}) {
     for (const int number_of_channels : {1, 2}) {
       SCOPED_TRACE(ProduceDebugText(rate, number_of_channels, 0));
 
       const std::vector<AudioFrame*> frames_to_combine;
       combiner.Combine(frames_to_combine, number_of_channels, rate,
-                       &audio_frame_for_mixing);
+                       frames_to_combine.size(), &audio_frame_for_mixing);
 
       const std::vector<int16_t> mixed_data(
           audio_frame_for_mixing.data_,
           audio_frame_for_mixing.data_ + number_of_channels * rate / 100);
 
       const std::vector<int16_t> expected(number_of_channels * rate / 100, 0);
       EXPECT_EQ(mixed_data, expected);
     }
   }
 }
 
 TEST(FrameCombiner, CombiningOneFrameShouldNotChangeFrame) {
   FrameCombiner combiner(false);
   for (const int rate : {8000, 10000, 11000, 32000, 44100}) {
     for (const int number_of_channels : {1, 2}) {
       SCOPED_TRACE(ProduceDebugText(rate, number_of_channels, 1));
 
       SetUpFrames(rate, number_of_channels);
       std::iota(frame1.data_, frame1.data_ + number_of_channels * rate / 100,
                 0);
       const std::vector<AudioFrame*> frames_to_combine = {&frame1};
       combiner.Combine(frames_to_combine, number_of_channels, rate,
-                       &audio_frame_for_mixing);
+                       frames_to_combine.size(), &audio_frame_for_mixing);
 
       const std::vector<int16_t> mixed_data(
           audio_frame_for_mixing.data_,
           audio_frame_for_mixing.data_ + number_of_channels * rate / 100);
 
       std::vector<int16_t> expected(number_of_channels * rate / 100);
       std::iota(expected.begin(), expected.end(), 0);
       EXPECT_EQ(mixed_data, expected);
     }
   }
 }
 
 }  // namespace webrtc