webrtc/modules/audio_processing: Use RTC_DCHECK() instead of assert()

webrtc/modules/audio_processing/transient/transient_detector.cc

 /*
  *  Copyright (c) 2013 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.
  */
 
 #include "webrtc/modules/audio_processing/transient/transient_detector.h"
 
-#include <assert.h>
 #include <float.h>
 #include <math.h>
 #include <string.h>
 
 #include <algorithm>
 
+#include "webrtc/base/checks.h"
 #include "webrtc/modules/audio_processing/transient/common.h"
 #include "webrtc/modules/audio_processing/transient/daubechies_8_wavelet_coeffs.h"
 #include "webrtc/modules/audio_processing/transient/moving_moments.h"
 #include "webrtc/modules/audio_processing/transient/wpd_tree.h"
 
 namespace webrtc {
 
 static const int kTransientLengthMs = 30;
 static const int kChunksAtStartupLeftToDelete =
     kTransientLengthMs / ts::kChunkSizeMs;
 static const float kDetectThreshold = 16.f;
 
 TransientDetector::TransientDetector(int sample_rate_hz)
     : samples_per_chunk_(sample_rate_hz * ts::kChunkSizeMs / 1000),
       last_first_moment_(),
       last_second_moment_(),
       chunks_at_startup_left_to_delete_(kChunksAtStartupLeftToDelete),
       reference_energy_(1.f),
       using_reference_(false) {
-  assert(sample_rate_hz == ts::kSampleRate8kHz ||
-         sample_rate_hz == ts::kSampleRate16kHz ||
-         sample_rate_hz == ts::kSampleRate32kHz ||
-         sample_rate_hz == ts::kSampleRate48kHz);
+  RTC_DCHECK(sample_rate_hz == ts::kSampleRate8kHz ||
+             sample_rate_hz == ts::kSampleRate16kHz ||
+             sample_rate_hz == ts::kSampleRate32kHz ||
+             sample_rate_hz == ts::kSampleRate48kHz);
   int samples_per_transient = sample_rate_hz * kTransientLengthMs / 1000;
   // Adjustment to avoid data loss while downsampling, making
   // |samples_per_chunk_| and |samples_per_transient| always divisible by
   // |kLeaves|.
   samples_per_chunk_ -= samples_per_chunk_ % kLeaves;
   samples_per_transient -= samples_per_transient % kLeaves;
 
   tree_leaves_data_length_ = samples_per_chunk_ / kLeaves;
   wpd_tree_.reset(new WPDTree(samples_per_chunk_,
                               kDaubechies8HighPassCoefficients,
@@ skipping 12 matching lines @@
     previous_results_.push_back(0.f);
   }
 }
 
 TransientDetector::~TransientDetector() {}
 
 float TransientDetector::Detect(const float* data,
                                 size_t data_length,
                                 const float* reference_data,
                                 size_t reference_length) {
-  assert(data && data_length == samples_per_chunk_);
+  RTC_DCHECK(data);
+  RTC_DCHECK_EQ(samples_per_chunk_, data_length);
 
   // TODO(aluebs): Check if these errors can logically happen and if not assert
   // on them.
   if (wpd_tree_->Update(data, samples_per_chunk_) != 0) {
     return -1.f;
   }
 
   float result = 0.f;
 
   for (size_t i = 0; i < kLeaves; ++i) {
@@ skipping 67 matching lines @@
   static const float kReferenceNonLinearity = 20.f;
   static const float kMemory = 0.99f;
   float reference_energy = 0.f;
   for (size_t i = 1; i < length; ++i) {
     reference_energy += data[i] * data[i];
   }
   if (reference_energy == 0.f) {
     using_reference_ = false;
     return 1.f;
   }
-  assert(reference_energy_ != 0);
+  RTC_DCHECK_NE(0, reference_energy_);
   float result = 1.f / (1.f + exp(kReferenceNonLinearity *
                                   (kEnergyRatioThreshold -
                                    reference_energy / reference_energy_)));
   reference_energy_ =
       kMemory * reference_energy_ + (1.f - kMemory) * reference_energy;
 
   using_reference_ = true;
 
   return result;
 }
 
 }  // namespace webrtc