39 lines
1.3 KiB
C++
39 lines
1.3 KiB
C++
// sherpa-onnx/csrc/wave-reader.h
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//
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// Copyright (c) 2023 Xiaomi Corporation
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#ifndef SHERPA_ONNX_CSRC_WAVE_READER_H_
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#define SHERPA_ONNX_CSRC_WAVE_READER_H_
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#include <istream>
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#include <string>
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#include <vector>
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namespace sherpa_onnx {
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/** Read a wave file with expected sample rate.
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@param filename Path to a wave file. It MUST be single channel, 16-bit
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PCM encoded.
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@param sampling_rate On return, it contains the sampling rate of the file.
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@param is_ok On return it is true if the reading succeeded; false otherwise.
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@return Return wave samples normalized to the range [-1, 1).
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*/
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std::vector<float> ReadWave(const std::string &filename, int32_t *sampling_rate,
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bool *is_ok);
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std::vector<float> ReadWave(std::istream &is, int32_t *sampling_rate,
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bool *is_ok);
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std::vector<std::vector<float>> ReadWaveMultiChannel(std::istream &is,
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int32_t *sampling_rate,
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bool *is_ok);
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std::vector<std::vector<float>> ReadWaveMultiChannel(
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const std::string &filename, int32_t *sampling_rate, bool *is_ok);
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} // namespace sherpa_onnx
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#endif // SHERPA_ONNX_CSRC_WAVE_READER_H_
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