1 /*
2 * Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include "modules/audio_processing/agc2/vector_float_frame.h"
12
13 namespace webrtc {
14
15 namespace {
16
ConstructChannelPointers(std::vector<std::vector<float>> * x)17 std::vector<float*> ConstructChannelPointers(
18 std::vector<std::vector<float>>* x) {
19 std::vector<float*> channel_ptrs;
20 for (auto& v : *x) {
21 channel_ptrs.push_back(v.data());
22 }
23 return channel_ptrs;
24 }
25 } // namespace
26
VectorFloatFrame(int num_channels,int samples_per_channel,float start_value)27 VectorFloatFrame::VectorFloatFrame(int num_channels,
28 int samples_per_channel,
29 float start_value)
30 : channels_(num_channels,
31 std::vector<float>(samples_per_channel, start_value)),
32 channel_ptrs_(ConstructChannelPointers(&channels_)),
33 float_frame_view_(channel_ptrs_.data(),
34 channels_.size(),
35 samples_per_channel) {}
36
37 VectorFloatFrame::~VectorFloatFrame() = default;
38
39 } // namespace webrtc
40