1 /* 2 * Copyright (c) 2023-2025 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef IPC_STREAM_H 17 #define IPC_STREAM_H 18 19 #include <memory> 20 21 #include "ipc_types.h" 22 #include "iremote_broker.h" 23 #include "iremote_proxy.h" 24 #include "iremote_stub.h" 25 26 #include "audio_process_config.h" 27 #include "i_stream_listener.h" 28 #include "oh_audio_buffer.h" 29 30 namespace OHOS { 31 namespace AudioStandard { 32 class IpcStream : public IRemoteBroker { 33 public: 34 virtual ~IpcStream() = default; 35 36 virtual int32_t RegisterStreamListener(sptr<IRemoteObject> object) = 0; 37 38 virtual int32_t ResolveBuffer(std::shared_ptr<OHAudioBuffer> &buffer) = 0; 39 40 virtual int32_t UpdatePosition() = 0; 41 42 virtual int32_t GetAudioSessionID(uint32_t &sessionId) = 0; 43 44 virtual int32_t Start() = 0; 45 46 virtual int32_t Pause() = 0; 47 48 virtual int32_t Stop() = 0; 49 50 virtual int32_t Release() = 0; 51 52 virtual int32_t Flush() = 0; 53 54 virtual int32_t Drain(bool stopFlag = false) = 0; 55 56 virtual int32_t UpdatePlaybackCaptureConfig(const AudioPlaybackCaptureConfig &config) = 0; 57 58 virtual int32_t GetAudioTime(uint64_t &framePos, uint64_t ×tamp) = 0; 59 60 virtual int32_t GetAudioPosition(uint64_t &framePos, uint64_t ×tamp, uint64_t &latency) = 0; 61 62 virtual int32_t GetLatency(uint64_t &latency) = 0; 63 64 virtual int32_t SetRate(int32_t rate) = 0; // SetRenderRate 65 66 virtual int32_t GetRate(int32_t &rate) = 0; // SetRenderRate 67 68 virtual int32_t SetLowPowerVolume(float volume) = 0; // renderer only 69 70 virtual int32_t GetLowPowerVolume(float &volume) = 0; // renderer only 71 72 virtual int32_t SetAudioEffectMode(int32_t effectMode) = 0; // renderer only 73 74 virtual int32_t GetAudioEffectMode(int32_t &effectMode) = 0; // renderer only 75 76 virtual int32_t SetPrivacyType(int32_t privacyType) = 0; // renderer only 77 78 virtual int32_t GetPrivacyType(int32_t &privacyType) = 0; // renderer only 79 80 virtual int32_t SetOffloadMode(int32_t state, bool isAppBack) = 0; // renderer only 81 82 virtual int32_t UnsetOffloadMode() = 0; // renderer only 83 84 virtual int32_t GetOffloadApproximatelyCacheTime(uint64_t ×tamp, uint64_t &paWriteIndex, 85 uint64_t &cacheTimeDsp, uint64_t &cacheTimePa) = 0; // renderer only 86 87 virtual int32_t UpdateSpatializationState(bool spatializationEnabled, bool headTrackingEnabled) = 0; // rendererOnly 88 89 virtual int32_t GetStreamManagerType() = 0; 90 91 virtual int32_t SetSilentModeAndMixWithOthers(bool on) = 0; 92 93 virtual int32_t SetClientVolume() = 0; 94 95 virtual int32_t SetMute(bool isMute) = 0; 96 97 virtual int32_t SetDuckFactor(float duckFactor) = 0; 98 99 virtual int32_t RegisterThreadPriority(uint32_t tid, const std::string &bundleName) = 0; 100 101 virtual int32_t SetDefaultOutputDevice(const DeviceType defaultOutputDevice) = 0; 102 103 virtual int32_t SetSourceDuration(int64_t duration) = 0; 104 105 // IPC code. 106 enum IpcStreamMsg : uint32_t { 107 ON_REGISTER_STREAM_LISTENER = 0, 108 ON_RESOLVE_BUFFER, 109 ON_UPDATE_POSITION, 110 ON_GET_AUDIO_SESSIONID, 111 ON_START, 112 ON_PAUSE, 113 ON_STOP, 114 ON_RELEASE, 115 ON_FLUSH, 116 ON_DRAIN, 117 ON_UPDATA_PLAYBACK_CAPTURER_CONFIG, 118 OH_GET_AUDIO_TIME, 119 OH_GET_AUDIO_POSITION, 120 ON_GET_LATENCY, 121 ON_SET_RATE, 122 ON_GET_RATE, 123 ON_SET_LOWPOWER_VOLUME, 124 ON_GET_LOWPOWER_VOLUME, 125 ON_SET_EFFECT_MODE, 126 ON_GET_EFFECT_MODE, 127 ON_SET_PRIVACY_TYPE, 128 ON_GET_PRIVACY_TYPE, 129 ON_SET_OFFLOAD_MODE, 130 ON_UNSET_OFFLOAD_MODE, 131 ON_GET_OFFLOAD_APPROXIMATELY_CACHE_TIME, 132 ON_UPDATE_SPATIALIZATION_STATE, 133 ON_GET_STREAM_MANAGER_TYPE, 134 ON_SET_SILENT_MODE_AND_MIX_WITH_OTHERS, 135 ON_SET_CLIENT_VOLUME, 136 ON_SET_MUTE, 137 ON_SET_DUCK_FACTOR, 138 ON_REGISTER_THREAD_PRIORITY, 139 ON_SET_DEFAULT_OUTPUT_DEVICE, 140 ON_SET_SOURCE_DURATION, 141 IPC_STREAM_MAX_MSG 142 }; 143 144 DECLARE_INTERFACE_DESCRIPTOR(u"IpcStream"); 145 }; 146 147 class IpcStreamListener : public IRemoteBroker, public IStreamListener { 148 public: 149 virtual ~IpcStreamListener() = default; 150 151 // IPC code. 152 enum IpcStreamListenerMsg : uint32_t { 153 ON_OPERATION_HANDLED = 0, 154 IPC_STREAM_LISTENER_MAX_MSG 155 }; 156 DECLARE_INTERFACE_DESCRIPTOR(u"IpcStreamListener"); 157 }; 158 } // namespace AudioStandard 159 } // namespace OHOS 160 #endif // IPC_STREAM_H 161