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58 lines
1.6 KiB
58 lines
1.6 KiB
7 months ago
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/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <memory>
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#include <tinyalsa/asoundlib.h>
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namespace android {
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namespace hardware {
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namespace audio {
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namespace V6_0 {
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namespace implementation {
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namespace talsa {
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constexpr unsigned int kPcmDevice = 0;
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constexpr unsigned int kPcmCard = 0;
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typedef struct pcm pcm_t;
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struct PcmDeleter { void operator()(pcm_t *x) const; };
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typedef std::unique_ptr<pcm_t, PcmDeleter> PcmPtr;
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PcmPtr pcmOpen(unsigned int dev, unsigned int card, unsigned int nChannels, size_t sampleRateHz, size_t frameCount, bool isOut);
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class Mixer {
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public:
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Mixer(unsigned card);
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~Mixer();
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operator bool() const { return mMixer != nullptr; }
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Mixer(const Mixer &) = delete;
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Mixer &operator=(const Mixer &) = delete;
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Mixer(Mixer &&) = delete;
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Mixer &operator=(Mixer &&) = delete;
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private:
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struct mixer *mMixer;
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};
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} // namespace talsa
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} // namespace implementation
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} // namespace V6_0
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} // namespace audio
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} // namespace hardware
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} // namespace android
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