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91 lines
2.8 KiB
91 lines
2.8 KiB
4 months ago
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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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#pragma once
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#include <memory>
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// clang-format off
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#include PATH(android/hardware/audio/FILE_VERSION/types.h)
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#include PATH(android/hardware/audio/common/FILE_VERSION/types.h)
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// clang-format on
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#include "public/audio_proxy.h"
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namespace audio_proxy {
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namespace AUDIO_PROXY_CPP_VERSION {
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using ::android::hardware::hidl_bitfield;
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using ::android::hardware::hidl_string;
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using ::android::hardware::hidl_vec;
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using namespace ::android::hardware::audio::common::CPP_VERSION;
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using namespace ::android::hardware::audio::CPP_VERSION;
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// C++ friendly wrapper of audio_proxy_stream_out. It handles type conversion
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// between C type and hidl type.
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class AudioProxyStreamOut final {
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public:
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AudioProxyStreamOut(audio_proxy_stream_out_t* stream,
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audio_proxy_device_t* device);
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~AudioProxyStreamOut();
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size_t getBufferSize() const;
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uint64_t getFrameCount() const;
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hidl_vec<uint32_t> getSupportedSampleRates(AudioFormat format) const;
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uint32_t getSampleRate() const;
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Result setSampleRate(uint32_t rate);
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hidl_vec<hidl_bitfield<AudioChannelMask>> getSupportedChannelMasks(
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AudioFormat format) const;
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hidl_bitfield<AudioChannelMask> getChannelMask() const;
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Result setChannelMask(hidl_bitfield<AudioChannelMask> mask);
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hidl_vec<AudioFormat> getSupportedFormats() const;
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AudioFormat getFormat() const;
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Result setFormat(AudioFormat format);
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Result standby();
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Result setParameters(const hidl_vec<ParameterValue>& context,
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const hidl_vec<ParameterValue>& parameters);
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hidl_vec<ParameterValue> getParameters(
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const hidl_vec<ParameterValue>& context,
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const hidl_vec<hidl_string>& keys) const;
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uint32_t getLatency() const;
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ssize_t write(const void* buffer, size_t bytes);
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Result getRenderPosition(uint32_t* dsp_frames) const;
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Result getNextWriteTimestamp(int64_t* timestamp) const;
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Result getPresentationPosition(uint64_t* frames, TimeSpec* timestamp) const;
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Result pause();
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Result resume();
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bool supportsDrain() const;
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Result drain(AudioDrain type);
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Result flush();
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Result setVolume(float left, float right);
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private:
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audio_proxy_stream_out_t* const mStream;
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audio_proxy_device_t* const mDevice;
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};
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} // namespace AUDIO_PROXY_CPP_VERSION
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} // namespace audio_proxy
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