chromium/third_party/webrtc/modules/audio_coding/neteq/preemptive_expand.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.
 */

#include "modules/audio_coding/neteq/preemptive_expand.h"

#include <algorithm>

#include "api/array_view.h"
#include "modules/audio_coding/neteq/audio_multi_vector.h"
#include "modules/audio_coding/neteq/time_stretch.h"

namespace webrtc {

PreemptiveExpand::ReturnCodes PreemptiveExpand::Process(
    const int16_t* input,
    size_t input_length,
    size_t old_data_length,
    AudioMultiVector* output,
    size_t* length_change_samples) { … }

void PreemptiveExpand::SetParametersForPassiveSpeech(size_t len,
                                                     int16_t* best_correlation,
                                                     size_t* peak_index) const { … }

PreemptiveExpand::ReturnCodes PreemptiveExpand::CheckCriteriaAndStretch(
    const int16_t* input,
    size_t input_length,
    size_t peak_index,
    int16_t best_correlation,
    bool active_speech,
    bool /*fast_mode*/,
    AudioMultiVector* output) const { … }

PreemptiveExpand* PreemptiveExpandFactory::Create(
    int sample_rate_hz,
    size_t num_channels,
    const BackgroundNoise& background_noise,
    size_t overlap_samples) const { … }

}  // namespace webrtc