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/*
* Copyright 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <fstream>
#include <vector>
namespace bluetooth {
namespace testing {
struct WavHeader {
// RIFF chunk descriptor
uint8_t chunk_id[4];
uint32_t chunk_size;
uint8_t chunk_format[4];
// "fmt" sub-chunk
uint8_t subchunk1_id[4];
uint32_t subchunk1_size;
uint16_t audio_format;
uint16_t num_channels;
uint32_t sample_rate;
uint32_t byte_rate;
uint16_t block_align;
uint16_t bits_per_sample;
// "data" sub-chunk
uint8_t subchunk2_id[4];
uint32_t subchunk2_size;
};
namespace {
constexpr size_t kWavHeaderSize = sizeof(WavHeader);
}
class WavReader {
public:
WavReader(const char* filename);
~WavReader();
WavHeader GetHeader() const;
uint8_t* GetSamples();
size_t GetSampleCount();
private:
std::ifstream wavFile_;
WavHeader header_;
std::vector<uint8_t> samples_;
void ReadSamples();
};
} // namespace testing
} // namespace bluetooth
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