1 /*
2 * Copyright 2022 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "wav_reader.h"
18
19 #include <iostream>
20 #include <iterator>
21
22 #include "gd/os/files.h"
23 #include "os/log.h"
24
25 namespace bluetooth {
26 namespace testing {
27
WavReader(const char * filename)28 WavReader::WavReader(const char* filename) {
29 if (os::FileExists(filename)) {
30 wavFile_.open(filename, std::ios::in | std::ios::binary);
31 wavFile_.read((char*)&header_, kWavHeaderSize);
32 ReadSamples();
33 } else {
34 ASSERT_LOG(false, "File %s does not exist!", filename);
35 }
36 }
37
~WavReader()38 WavReader::~WavReader() {
39 if (wavFile_.is_open()) {
40 wavFile_.close();
41 }
42 }
43
GetHeader() const44 WavHeader WavReader::GetHeader() const { return header_; }
45
ReadSamples()46 void WavReader::ReadSamples() {
47 std::istreambuf_iterator<char> start{wavFile_}, end;
48 samples_ = std::vector<uint8_t>(start, end);
49 }
50
GetSamples()51 uint8_t* WavReader::GetSamples() { return &samples_[0]; }
52
GetSampleCount()53 size_t WavReader::GetSampleCount() { return samples_.size(); }
54
55 } // namespace testing
56 } // namespace bluetooth
57