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