51 lines
926 B
C++
51 lines
926 B
C++
#include <psemek/audio/recorder.hpp>
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#include <vector>
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namespace psemek::audio
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{
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namespace
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{
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struct recorder_impl
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: recorder
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{
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recorder_impl(stream_ptr stream)
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: stream_(std::move(stream))
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{}
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stream_ptr stream() const override
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{
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return stream_;
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}
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std::size_t request(std::size_t samples) override
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{
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if (buffer_.size() < length_ + samples)
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buffer_.resize(std::max<std::size_t>(samples, buffer_.size() * 2));
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auto result = stream_->read(buffer_.data() + length_, samples);
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length_ += result;
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return result;
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}
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util::span<float const> buffer() const override
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{
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return {buffer_.data(), buffer_.data() + length_};
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}
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private:
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stream_ptr stream_;
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std::vector<float> buffer_;
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std::size_t length_{0};
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};
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}
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std::shared_ptr<recorder> make_recorder(stream_ptr stream)
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{
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return std::make_shared<recorder_impl>(std::move(stream));
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}
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}
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