• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 // clang-format off
21 #include PATH(android/hardware/audio/CORE_TYPES_FILE_VERSION/IStreamIn.h)
22 // clang-format on
23 
24 #include "Device.h"
25 #include "Stream.h"
26 
27 #include <atomic>
28 #include <memory>
29 
30 #include <fmq/EventFlag.h>
31 #include <fmq/MessageQueue.h>
32 #include <hidl/MQDescriptor.h>
33 #include <hidl/Status.h>
34 #include <utils/Thread.h>
35 
36 namespace android {
37 namespace hardware {
38 namespace audio {
39 namespace CPP_VERSION {
40 namespace implementation {
41 
42 using ::android::sp;
43 using ::android::hardware::hidl_string;
44 using ::android::hardware::hidl_vec;
45 using ::android::hardware::Return;
46 using ::android::hardware::Void;
47 using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
48 using namespace ::android::hardware::audio::CORE_TYPES_CPP_VERSION;
49 using namespace ::android::hardware::audio::CPP_VERSION;
50 
51 struct StreamIn : public IStreamIn {
52     typedef MessageQueue<ReadParameters, kSynchronizedReadWrite> CommandMQ;
53     typedef MessageQueue<uint8_t, kSynchronizedReadWrite> DataMQ;
54     typedef MessageQueue<ReadStatus, kSynchronizedReadWrite> StatusMQ;
55 
56     StreamIn(const sp<Device>& device, audio_stream_in_t* stream);
57 
58     // Methods from ::android::hardware::audio::CPP_VERSION::IStream follow.
59     Return<uint64_t> getFrameSize() override;
60     Return<uint64_t> getFrameCount() override;
61     Return<uint64_t> getBufferSize() override;
62 #if MAJOR_VERSION <= 6
63     Return<uint32_t> getSampleRate() override;
64 #if MAJOR_VERSION == 2
65     Return<void> getSupportedSampleRates(getSupportedSampleRates_cb _hidl_cb) override;
66     Return<void> getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) override;
67 #endif
68     Return<void> getSupportedSampleRates(AudioFormat format, getSupportedSampleRates_cb _hidl_cb);
69     Return<void> getSupportedChannelMasks(AudioFormat format, getSupportedChannelMasks_cb _hidl_cb);
70     Return<Result> setSampleRate(uint32_t sampleRateHz) override;
71     Return<AudioChannelBitfield> getChannelMask() override;
72     Return<Result> setChannelMask(AudioChannelBitfield mask) override;
73     Return<AudioFormat> getFormat() override;
74     Return<void> getSupportedFormats(getSupportedFormats_cb _hidl_cb) override;
75     Return<Result> setFormat(AudioFormat format) override;
76 #else
77     Return<void> getSupportedProfiles(getSupportedProfiles_cb _hidl_cb) override;
78     Return<Result> setAudioProperties(const AudioConfigBaseOptional& config) override;
79 #endif  // MAJOR_VERSION <= 6
80     Return<void> getAudioProperties(getAudioProperties_cb _hidl_cb) override;
81     Return<Result> addEffect(uint64_t effectId) override;
82     Return<Result> removeEffect(uint64_t effectId) override;
83     Return<Result> standby() override;
84 #if MAJOR_VERSION == 2
85     Return<AudioDevice> getDevice() override;
86     Return<Result> setDevice(const DeviceAddress& address) override;
87     Return<void> getParameters(const hidl_vec<hidl_string>& keys,
88                                getParameters_cb _hidl_cb) override;
89     Return<Result> setParameters(const hidl_vec<ParameterValue>& parameters) override;
90     Return<Result> setConnectedState(const DeviceAddress& address, bool connected) override;
91 #elif MAJOR_VERSION >= 4
92     Return<void> getDevices(getDevices_cb _hidl_cb) override;
93     Return<Result> setDevices(const hidl_vec<DeviceAddress>& devices) override;
94     Return<void> getParameters(const hidl_vec<ParameterValue>& context,
95                                const hidl_vec<hidl_string>& keys,
96                                getParameters_cb _hidl_cb) override;
97     Return<Result> setParameters(const hidl_vec<ParameterValue>& context,
98                                  const hidl_vec<ParameterValue>& parameters) override;
99 #endif
100     Return<Result> setHwAvSync(uint32_t hwAvSync) override;
101     Return<Result> close() override;
102 
103     Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override;
104 #if MAJOR_VERSION == 2
105     Return<void> debugDump(const hidl_handle& fd) override;
106 #endif
107 
108     // Methods from ::android::hardware::audio::CPP_VERSION::IStreamIn follow.
109     Return<void> getAudioSource(getAudioSource_cb _hidl_cb) override;
110     Return<Result> setGain(float gain) override;
111     Return<void> prepareForReading(uint32_t frameSize, uint32_t framesCount,
112                                    prepareForReading_cb _hidl_cb) override;
113     Return<uint32_t> getInputFramesLost() override;
114     Return<void> getCapturePosition(getCapturePosition_cb _hidl_cb) override;
115     Return<Result> start() override;
116     Return<Result> stop() override;
117     Return<void> createMmapBuffer(int32_t minSizeFrames, createMmapBuffer_cb _hidl_cb) override;
118     Return<void> getMmapPosition(getMmapPosition_cb _hidl_cb) override;
119 #if MAJOR_VERSION >= 4
120 #if MAJOR_VERSION <= 6
121     Return<void> updateSinkMetadata(const SinkMetadata& sinkMetadata) override;
122 #else
123     Return<Result> updateSinkMetadata(const SinkMetadata& sinkMetadata) override;
124 #endif
125     Return<void> getActiveMicrophones(getActiveMicrophones_cb _hidl_cb) override;
126 #endif  // MAJOR_VERSION >= 4
127 #if MAJOR_VERSION >= 5
128     Return<Result> setMicrophoneDirection(MicrophoneDirection direction) override;
129     Return<Result> setMicrophoneFieldDimension(float zoom) override;
130 #endif
131     static Result getCapturePositionImpl(audio_stream_in_t* stream, uint64_t* frames,
132                                          uint64_t* time);
133 
134   private:
135 #if MAJOR_VERSION >= 4
136     Result doUpdateSinkMetadata(const SinkMetadata& sinkMetadata);
137 #if MAJOR_VERSION >= 7
138     Result doUpdateSinkMetadataV7(const SinkMetadata& sinkMetadata);
139 #endif
140 #endif  // MAJOR_VERSION >= 4
141 
142     const sp<Device> mDevice;
143     audio_stream_in_t* mStream;
144     const sp<Stream> mStreamCommon;
145     const sp<StreamMmap<audio_stream_in_t>> mStreamMmap;
146     std::unique_ptr<CommandMQ> mCommandMQ;
147     std::unique_ptr<DataMQ> mDataMQ;
148     std::unique_ptr<StatusMQ> mStatusMQ;
149     EventFlag* mEfGroup;
150     std::atomic<bool> mStopReadThread;
151     sp<Thread> mReadThread;
152 
153     virtual ~StreamIn();
154 };
155 
156 }  // namespace implementation
157 }  // namespace CPP_VERSION
158 }  // namespace audio
159 }  // namespace hardware
160 }  // namespace android
161 
162 #endif  // ANDROID_HARDWARE_AUDIO_STREAMIN_H
163