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ece6a51e5b
Add voice transcoding during phone call with two basic transforms: - sample rate downscaling by a factor of 2 with a decimator - sample rate upscaling by a factor of 2 with an interpolator (no low-pass filter) Signed-off-by: Marcin Smoczyński <smoczynski.marcin@gmail.com>
25 lines
747 B
C++
25 lines
747 B
C++
// Copyright (c) 2017-2021, Mudita Sp. z.o.o. All rights reserved.
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// For licensing, see https://github.com/mudita/MuditaOS/LICENSE.md
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#pragma once
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#include <Audio/AudioFormat.hpp>
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#include <Audio/transcode/Transform.hpp>
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#include <memory>
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namespace audio::transcode
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{
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class TransformFactory
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{
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public:
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auto makeTransform(AudioFormat sourceFormat, AudioFormat sinkFormat) const -> std::unique_ptr<Transform>;
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private:
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auto getSamplerateTransform(AudioFormat sourceFormat, AudioFormat sinkFormat) const
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-> std::unique_ptr<Transform>;
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auto getChannelsTransform(AudioFormat sourceFormat, AudioFormat sinkFormat) const -> std::unique_ptr<Transform>;
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};
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}; // namespace audio::transcode
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