1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_HARDWARE_AUDIO_STREAMIN_H 18 #define ANDROID_HARDWARE_AUDIO_STREAMIN_H 19 20 #include PATH(android/hardware/audio/FILE_VERSION/IStreamIn.h) 21 22 #include "Device.h" 23 #include "Stream.h" 24 25 #include <atomic> 26 #include <memory> 27 28 #include <fmq/EventFlag.h> 29 #include <fmq/MessageQueue.h> 30 #include <hidl/MQDescriptor.h> 31 #include <hidl/Status.h> 32 #include <utils/Thread.h> 33 34 namespace android { 35 namespace hardware { 36 namespace audio { 37 namespace CPP_VERSION { 38 namespace implementation { 39 40 using ::android::sp; 41 using ::android::hardware::hidl_string; 42 using ::android::hardware::hidl_vec; 43 using ::android::hardware::Return; 44 using ::android::hardware::Void; 45 using namespace ::android::hardware::audio::common::CPP_VERSION; 46 using namespace ::android::hardware::audio::CPP_VERSION; 47 48 struct StreamIn : public IStreamIn { 49 typedef MessageQueue<ReadParameters, kSynchronizedReadWrite> CommandMQ; 50 typedef MessageQueue<uint8_t, kSynchronizedReadWrite> DataMQ; 51 typedef MessageQueue<ReadStatus, kSynchronizedReadWrite> StatusMQ; 52 53 StreamIn(const sp<Device>& device, audio_stream_in_t* stream); 54 55 // Methods from ::android::hardware::audio::CPP_VERSION::IStream follow. 56 Return<uint64_t> getFrameSize() override; 57 Return<uint64_t> getFrameCount() override; 58 Return<uint64_t> getBufferSize() override; 59 Return<uint32_t> getSampleRate() override; 60 #if MAJOR_VERSION == 2 61 Return<void> getSupportedSampleRates(getSupportedSampleRates_cb _hidl_cb) override; 62 Return<void> getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) override; 63 #endif 64 Return<void> getSupportedSampleRates(AudioFormat format, getSupportedSampleRates_cb _hidl_cb); 65 Return<void> getSupportedChannelMasks(AudioFormat format, getSupportedChannelMasks_cb _hidl_cb); 66 Return<Result> setSampleRate(uint32_t sampleRateHz) override; 67 Return<AudioChannelBitfield> getChannelMask() override; 68 Return<Result> setChannelMask(AudioChannelBitfield mask) override; 69 Return<AudioFormat> getFormat() override; 70 Return<void> getSupportedFormats(getSupportedFormats_cb _hidl_cb) override; 71 Return<Result> setFormat(AudioFormat format) override; 72 Return<void> getAudioProperties(getAudioProperties_cb _hidl_cb) override; 73 Return<Result> addEffect(uint64_t effectId) override; 74 Return<Result> removeEffect(uint64_t effectId) override; 75 Return<Result> standby() override; 76 #if MAJOR_VERSION == 2 77 Return<AudioDevice> getDevice() override; 78 Return<Result> setDevice(const DeviceAddress& address) override; 79 Return<void> getParameters(const hidl_vec<hidl_string>& keys, 80 getParameters_cb _hidl_cb) override; 81 Return<Result> setParameters(const hidl_vec<ParameterValue>& parameters) override; 82 Return<Result> setConnectedState(const DeviceAddress& address, bool connected) override; 83 #elif MAJOR_VERSION >= 4 84 Return<void> getDevices(getDevices_cb _hidl_cb) override; 85 Return<Result> setDevices(const hidl_vec<DeviceAddress>& devices) override; 86 Return<void> getParameters(const hidl_vec<ParameterValue>& context, 87 const hidl_vec<hidl_string>& keys, 88 getParameters_cb _hidl_cb) override; 89 Return<Result> setParameters(const hidl_vec<ParameterValue>& context, 90 const hidl_vec<ParameterValue>& parameters) override; 91 #endif 92 Return<Result> setHwAvSync(uint32_t hwAvSync) override; 93 Return<Result> close() override; 94 95 Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override; 96 #if MAJOR_VERSION == 2 97 Return<void> debugDump(const hidl_handle& fd) override; 98 #endif 99 100 // Methods from ::android::hardware::audio::CPP_VERSION::IStreamIn follow. 101 Return<void> getAudioSource(getAudioSource_cb _hidl_cb) override; 102 Return<Result> setGain(float gain) override; 103 Return<void> prepareForReading(uint32_t frameSize, uint32_t framesCount, 104 prepareForReading_cb _hidl_cb) override; 105 Return<uint32_t> getInputFramesLost() override; 106 Return<void> getCapturePosition(getCapturePosition_cb _hidl_cb) override; 107 Return<Result> start() override; 108 Return<Result> stop() override; 109 Return<void> createMmapBuffer(int32_t minSizeFrames, createMmapBuffer_cb _hidl_cb) override; 110 Return<void> getMmapPosition(getMmapPosition_cb _hidl_cb) override; 111 #if MAJOR_VERSION >= 4 112 Return<void> updateSinkMetadata(const SinkMetadata& sinkMetadata) override; 113 Return<void> getActiveMicrophones(getActiveMicrophones_cb _hidl_cb) override; 114 #endif 115 #if MAJOR_VERSION >= 5 116 Return<Result> setMicrophoneDirection(MicrophoneDirection direction) override; 117 Return<Result> setMicrophoneFieldDimension(float zoom) override; 118 #endif 119 static Result getCapturePositionImpl(audio_stream_in_t* stream, uint64_t* frames, 120 uint64_t* time); 121 122 private: 123 bool mIsClosed; 124 const sp<Device> mDevice; 125 audio_stream_in_t* mStream; 126 const sp<Stream> mStreamCommon; 127 const sp<StreamMmap<audio_stream_in_t>> mStreamMmap; 128 std::unique_ptr<CommandMQ> mCommandMQ; 129 std::unique_ptr<DataMQ> mDataMQ; 130 std::unique_ptr<StatusMQ> mStatusMQ; 131 EventFlag* mEfGroup; 132 std::atomic<bool> mStopReadThread; 133 sp<Thread> mReadThread; 134 135 virtual ~StreamIn(); 136 }; 137 138 } // namespace implementation 139 } // namespace CPP_VERSION 140 } // namespace audio 141 } // namespace hardware 142 } // namespace android 143 144 #endif // ANDROID_HARDWARE_AUDIO_STREAMIN_H 145