38 lines
763 B
C++
38 lines
763 B
C++
// sherpa-onnx/csrc/alsa-play.h
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//
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// Copyright (c) 2022-2023 Xiaomi Corporation
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#ifndef SHERPA_ONNX_CSRC_ALSA_PLAY_H_
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#define SHERPA_ONNX_CSRC_ALSA_PLAY_H_
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#include <cstdint>
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#include <memory>
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#include <vector>
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#include "alsa/asoundlib.h"
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#include "sherpa-onnx/csrc/resample.h"
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namespace sherpa_onnx {
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class AlsaPlay {
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public:
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AlsaPlay(const char *device_name, int32_t sample_rate);
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~AlsaPlay();
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void Play(const std::vector<float> &samples);
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// wait for all the samples to be played
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void Drain();
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private:
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void SetParameters(int32_t sample_rate);
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private:
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snd_pcm_t *handle_ = nullptr;
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std::unique_ptr<LinearResample> resampler_;
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std::vector<int16_t> buf_;
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};
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} // namespace sherpa_onnx
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#endif // SHERPA_ONNX_CSRC_ALSA_PLAY_H_
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