1 /* 2 * Copyright (C) 2016 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 #include <common/all-versions/IncludeGuard.h> 18 19 #include <atomic> 20 #include <memory> 21 22 #include <fmq/EventFlag.h> 23 #include <fmq/MessageQueue.h> 24 #include <hidl/MQDescriptor.h> 25 #include <hidl/Status.h> 26 #include <utils/Thread.h> 27 28 namespace android { 29 namespace hardware { 30 namespace audio { 31 namespace AUDIO_HAL_VERSION { 32 namespace implementation { 33 34 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioChannelMask; 35 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioDevice; 36 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioFormat; 37 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioSource; 38 using ::android::hardware::audio::AUDIO_HAL_VERSION::DeviceAddress; 39 using ::android::hardware::audio::AUDIO_HAL_VERSION::IStream; 40 using ::android::hardware::audio::AUDIO_HAL_VERSION::IStreamIn; 41 using ::android::hardware::audio::AUDIO_HAL_VERSION::ParameterValue; 42 using ::android::hardware::audio::AUDIO_HAL_VERSION::Result; 43 using ::android::hardware::Return; 44 using ::android::hardware::Void; 45 using ::android::hardware::hidl_vec; 46 using ::android::hardware::hidl_string; 47 using ::android::sp; 48 49 struct StreamIn : public IStreamIn { 50 typedef MessageQueue<ReadParameters, kSynchronizedReadWrite> CommandMQ; 51 typedef MessageQueue<uint8_t, kSynchronizedReadWrite> DataMQ; 52 typedef MessageQueue<ReadStatus, kSynchronizedReadWrite> StatusMQ; 53 54 StreamIn(const sp<Device>& device, audio_stream_in_t* stream); 55 56 // Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IStream follow. 57 Return<uint64_t> getFrameSize() override; 58 Return<uint64_t> getFrameCount() override; 59 Return<uint64_t> getBufferSize() override; 60 Return<uint32_t> getSampleRate() override; 61 #ifdef AUDIO_HAL_VERSION_2_0 62 Return<void> getSupportedSampleRates(getSupportedSampleRates_cb _hidl_cb) override; 63 Return<void> getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) override; 64 #endif 65 Return<void> getSupportedSampleRates(AudioFormat format, getSupportedSampleRates_cb _hidl_cb); 66 Return<void> getSupportedChannelMasks(AudioFormat format, getSupportedChannelMasks_cb _hidl_cb); 67 Return<Result> setSampleRate(uint32_t sampleRateHz) override; 68 Return<AudioChannelBitfield> getChannelMask() override; 69 Return<Result> setChannelMask(AudioChannelBitfield mask) override; 70 Return<AudioFormat> getFormat() override; 71 Return<void> getSupportedFormats(getSupportedFormats_cb _hidl_cb) override; 72 Return<Result> setFormat(AudioFormat format) override; 73 Return<void> getAudioProperties(getAudioProperties_cb _hidl_cb) override; 74 Return<Result> addEffect(uint64_t effectId) override; 75 Return<Result> removeEffect(uint64_t effectId) override; 76 Return<Result> standby() override; 77 #ifdef AUDIO_HAL_VERSION_2_0 78 Return<AudioDevice> getDevice() override; 79 Return<Result> setDevice(const DeviceAddress& address) override; 80 Return<void> getParameters(const hidl_vec<hidl_string>& keys, 81 getParameters_cb _hidl_cb) override; 82 Return<Result> setParameters(const hidl_vec<ParameterValue>& parameters) override; 83 Return<Result> setConnectedState(const DeviceAddress& address, bool connected) override; 84 #elif defined(AUDIO_HAL_VERSION_4_0) 85 Return<void> getDevices(getDevices_cb _hidl_cb) override; 86 Return<Result> setDevices(const hidl_vec<DeviceAddress>& devices) override; 87 Return<void> getParameters(const hidl_vec<ParameterValue>& context, 88 const hidl_vec<hidl_string>& keys, 89 getParameters_cb _hidl_cb) override; 90 Return<Result> setParameters(const hidl_vec<ParameterValue>& context, 91 const hidl_vec<ParameterValue>& parameters) override; 92 #endif 93 Return<Result> setHwAvSync(uint32_t hwAvSync) override; 94 Return<Result> close() override; 95 96 Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override; 97 #ifdef AUDIO_HAL_VERSION_2_0 98 Return<void> debugDump(const hidl_handle& fd) override; 99 #endif 100 101 // Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IStreamIn follow. 102 Return<void> getAudioSource(getAudioSource_cb _hidl_cb) override; 103 Return<Result> setGain(float gain) override; 104 Return<void> prepareForReading(uint32_t frameSize, uint32_t framesCount, 105 prepareForReading_cb _hidl_cb) override; 106 Return<uint32_t> getInputFramesLost() override; 107 Return<void> getCapturePosition(getCapturePosition_cb _hidl_cb) override; 108 Return<Result> start() override; 109 Return<Result> stop() override; 110 Return<void> createMmapBuffer(int32_t minSizeFrames, createMmapBuffer_cb _hidl_cb) override; 111 Return<void> getMmapPosition(getMmapPosition_cb _hidl_cb) override; 112 #ifdef AUDIO_HAL_VERSION_4_0 113 Return<void> updateSinkMetadata(const SinkMetadata& sinkMetadata) override; 114 Return<void> getActiveMicrophones(getActiveMicrophones_cb _hidl_cb) override; 115 #endif 116 117 static Result getCapturePositionImpl(audio_stream_in_t* stream, uint64_t* frames, 118 uint64_t* time); 119 120 private: 121 bool mIsClosed; 122 const sp<Device> mDevice; 123 audio_stream_in_t* mStream; 124 const sp<Stream> mStreamCommon; 125 const sp<StreamMmap<audio_stream_in_t>> mStreamMmap; 126 std::unique_ptr<CommandMQ> mCommandMQ; 127 std::unique_ptr<DataMQ> mDataMQ; 128 std::unique_ptr<StatusMQ> mStatusMQ; 129 EventFlag* mEfGroup; 130 std::atomic<bool> mStopReadThread; 131 sp<Thread> mReadThread; 132 133 virtual ~StreamIn(); 134 }; 135 136 } // namespace implementation 137 } // namespace AUDIO_HAL_VERSION 138 } // namespace audio 139 } // namespace hardware 140 } // namespace android 141
