| // Copyright (C) 2020 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #pragma once |
| |
| #include <memory> |
| |
| // clang-format off |
| #include PATH(android/hardware/audio/FILE_VERSION/types.h) |
| #include PATH(android/hardware/audio/common/FILE_VERSION/types.h) |
| // clang-format on |
| |
| #include "public/audio_proxy.h" |
| |
| namespace audio_proxy { |
| namespace CPP_VERSION { |
| |
| using ::android::hardware::hidl_bitfield; |
| using ::android::hardware::hidl_string; |
| using ::android::hardware::hidl_vec; |
| |
| using namespace ::android::hardware::audio::common::CPP_VERSION; |
| using namespace ::android::hardware::audio::CPP_VERSION; |
| |
| // C++ friendly wrapper of audio_proxy_stream_out. It handles type conversion |
| // between C type and hidl type. |
| class AudioProxyStreamOut final { |
| public: |
| AudioProxyStreamOut(audio_proxy_stream_out_t* stream, |
| audio_proxy_device_t* device); |
| ~AudioProxyStreamOut(); |
| |
| size_t getBufferSize() const; |
| uint64_t getFrameCount() const; |
| |
| hidl_vec<uint32_t> getSupportedSampleRates(AudioFormat format) const; |
| uint32_t getSampleRate() const; |
| Result setSampleRate(uint32_t rate); |
| |
| hidl_vec<hidl_bitfield<AudioChannelMask>> getSupportedChannelMasks( |
| AudioFormat format) const; |
| hidl_bitfield<AudioChannelMask> getChannelMask() const; |
| Result setChannelMask(hidl_bitfield<AudioChannelMask> mask); |
| |
| hidl_vec<AudioFormat> getSupportedFormats() const; |
| AudioFormat getFormat() const; |
| Result setFormat(AudioFormat format); |
| |
| Result standby(); |
| |
| Result setParameters(const hidl_vec<ParameterValue>& context, |
| const hidl_vec<ParameterValue>& parameters); |
| hidl_vec<ParameterValue> getParameters( |
| const hidl_vec<ParameterValue>& context, |
| const hidl_vec<hidl_string>& keys) const; |
| |
| uint32_t getLatency() const; |
| ssize_t write(const void* buffer, size_t bytes); |
| Result getRenderPosition(uint32_t* dsp_frames) const; |
| Result getNextWriteTimestamp(int64_t* timestamp) const; |
| Result getPresentationPosition(uint64_t* frames, TimeSpec* timestamp) const; |
| |
| Result pause(); |
| Result resume(); |
| |
| bool supportsDrain() const; |
| Result drain(AudioDrain type); |
| |
| Result flush(); |
| |
| Result setVolume(float left, float right); |
| |
| private: |
| audio_proxy_stream_out_t* const mStream; |
| audio_proxy_device_t* const mDevice; |
| }; |
| |
| } // namespace CPP_VERSION |
| } // namespace audio_proxy |