mirror of
https://github.com/RGBCube/serenity
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5d01db3493
The Buffer files had contained both the ResampleHelper and the sample format utilities. Because the Buffer class (and its file) is going to be deleted soon, this commit separates those two things into their own files.
28 lines
828 B
C++
28 lines
828 B
C++
/*
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* Copyright (c) 2022, kleines Filmröllchen <filmroellchen@serenityos.org>.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "Resampler.h"
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#include "Buffer.h"
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#include "Sample.h"
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namespace Audio {
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ErrorOr<NonnullRefPtr<Buffer>> resample_buffer(ResampleHelper<double>& resampler, Buffer const& to_resample)
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{
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Vector<Sample> resampled;
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resampled.ensure_capacity(to_resample.sample_count() * ceil_div(resampler.source(), resampler.target()));
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for (size_t i = 0; i < static_cast<size_t>(to_resample.sample_count()); ++i) {
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auto sample = to_resample.samples()[i];
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resampler.process_sample(sample.left, sample.right);
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while (resampler.read_sample(sample.left, sample.right))
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resampled.append(sample);
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}
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return Buffer::create_with_samples(move(resampled));
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}
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}
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