Phil Burk | 5ed503c | 2017-02-01 09:38:15 -0800 | [diff] [blame] | 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 <aaudio/AAudioDefinitions.h> |
| 18 | |
| 19 | #include "binding/AudioEndpointParcelable.h" |
| 20 | #include "binding/AAudioStreamRequest.h" |
Phil Burk | 3316d5e | 2017-02-15 11:23:01 -0800 | [diff] [blame] | 21 | #include "binding/AAudioServiceDefinitions.h" |
Phil Burk | 5ed503c | 2017-02-01 09:38:15 -0800 | [diff] [blame] | 22 | #include "binding/AAudioStreamConfiguration.h" |
| 23 | #include "binding/IAAudioService.h" |
| 24 | #include "utility/AAudioUtilities.h" |
| 25 | |
| 26 | namespace android { |
| 27 | |
Phil Burk | 3316d5e | 2017-02-15 11:23:01 -0800 | [diff] [blame] | 28 | using aaudio::aaudio_handle_t; |
| 29 | |
Phil Burk | 5ed503c | 2017-02-01 09:38:15 -0800 | [diff] [blame] | 30 | /** |
| 31 | * This is used by the AAudio Client to talk to the AAudio Service. |
| 32 | * |
| 33 | * The order of parameters in the Parcels must match with code in AAudioService.cpp. |
| 34 | */ |
| 35 | class BpAAudioService : public BpInterface<IAAudioService> |
| 36 | { |
| 37 | public: |
| 38 | explicit BpAAudioService(const sp<IBinder>& impl) |
| 39 | : BpInterface<IAAudioService>(impl) |
| 40 | { |
| 41 | } |
| 42 | |
| 43 | virtual aaudio_handle_t openStream(aaudio::AAudioStreamRequest &request, |
| 44 | aaudio::AAudioStreamConfiguration &configuration) override { |
| 45 | Parcel data, reply; |
| 46 | // send command |
| 47 | data.writeInterfaceToken(IAAudioService::getInterfaceDescriptor()); |
| 48 | request.writeToParcel(&data); |
| 49 | status_t err = remote()->transact(OPEN_STREAM, data, &reply); |
| 50 | if (err != NO_ERROR) { |
| 51 | return AAudioConvert_androidToAAudioResult(err); |
| 52 | } |
| 53 | // parse reply |
| 54 | aaudio_handle_t stream; |
| 55 | reply.readInt32(&stream); |
| 56 | configuration.readFromParcel(&reply); |
| 57 | return stream; |
| 58 | } |
| 59 | |
| 60 | virtual aaudio_result_t closeStream(aaudio_handle_t streamHandle) override { |
| 61 | Parcel data, reply; |
| 62 | // send command |
| 63 | data.writeInterfaceToken(IAAudioService::getInterfaceDescriptor()); |
| 64 | data.writeInt32(streamHandle); |
| 65 | status_t err = remote()->transact(CLOSE_STREAM, data, &reply); |
| 66 | if (err != NO_ERROR) { |
| 67 | return AAudioConvert_androidToAAudioResult(err); |
| 68 | } |
| 69 | // parse reply |
| 70 | aaudio_result_t res; |
| 71 | reply.readInt32(&res); |
| 72 | return res; |
| 73 | } |
| 74 | |
| 75 | virtual aaudio_result_t getStreamDescription(aaudio_handle_t streamHandle, |
| 76 | aaudio::AudioEndpointParcelable &parcelable) { |
| 77 | Parcel data, reply; |
| 78 | // send command |
| 79 | data.writeInterfaceToken(IAAudioService::getInterfaceDescriptor()); |
| 80 | data.writeInt32(streamHandle); |
| 81 | status_t err = remote()->transact(GET_STREAM_DESCRIPTION, data, &reply); |
| 82 | if (err != NO_ERROR) { |
| 83 | return AAudioConvert_androidToAAudioResult(err); |
| 84 | } |
| 85 | // parse reply |
| 86 | parcelable.readFromParcel(&reply); |
| 87 | parcelable.dump(); |
| 88 | aaudio_result_t result = parcelable.validate(); |
| 89 | if (result != AAUDIO_OK) { |
| 90 | return result; |
| 91 | } |
| 92 | reply.readInt32(&result); |
| 93 | return result; |
| 94 | } |
| 95 | |
| 96 | // TODO should we wait for a reply? |
| 97 | virtual aaudio_result_t startStream(aaudio_handle_t streamHandle) override { |
| 98 | Parcel data, reply; |
| 99 | // send command |
| 100 | data.writeInterfaceToken(IAAudioService::getInterfaceDescriptor()); |
| 101 | data.writeInt32(streamHandle); |
| 102 | status_t err = remote()->transact(START_STREAM, data, &reply); |
| 103 | if (err != NO_ERROR) { |
| 104 | return AAudioConvert_androidToAAudioResult(err); |
| 105 | } |
| 106 | // parse reply |
| 107 | aaudio_result_t res; |
| 108 | reply.readInt32(&res); |
| 109 | return res; |
| 110 | } |
| 111 | |
| 112 | virtual aaudio_result_t pauseStream(aaudio_handle_t streamHandle) override { |
| 113 | Parcel data, reply; |
| 114 | // send command |
| 115 | data.writeInterfaceToken(IAAudioService::getInterfaceDescriptor()); |
| 116 | data.writeInt32(streamHandle); |
| 117 | status_t err = remote()->transact(PAUSE_STREAM, data, &reply); |
| 118 | if (err != NO_ERROR) { |
| 119 | return AAudioConvert_androidToAAudioResult(err); |
| 120 | } |
| 121 | // parse reply |
| 122 | aaudio_result_t res; |
| 123 | reply.readInt32(&res); |
| 124 | return res; |
| 125 | } |
| 126 | |
| 127 | virtual aaudio_result_t flushStream(aaudio_handle_t streamHandle) override { |
| 128 | Parcel data, reply; |
| 129 | // send command |
| 130 | data.writeInterfaceToken(IAAudioService::getInterfaceDescriptor()); |
| 131 | data.writeInt32(streamHandle); |
| 132 | status_t err = remote()->transact(FLUSH_STREAM, data, &reply); |
| 133 | if (err != NO_ERROR) { |
| 134 | return AAudioConvert_androidToAAudioResult(err); |
| 135 | } |
| 136 | // parse reply |
| 137 | aaudio_result_t res; |
| 138 | reply.readInt32(&res); |
| 139 | return res; |
| 140 | } |
| 141 | |
| 142 | virtual aaudio_result_t registerAudioThread(aaudio_handle_t streamHandle, pid_t clientThreadId, |
Phil Burk | 3316d5e | 2017-02-15 11:23:01 -0800 | [diff] [blame] | 143 | int64_t periodNanoseconds) |
Phil Burk | 5ed503c | 2017-02-01 09:38:15 -0800 | [diff] [blame] | 144 | override { |
| 145 | Parcel data, reply; |
| 146 | // send command |
| 147 | data.writeInterfaceToken(IAAudioService::getInterfaceDescriptor()); |
| 148 | data.writeInt32(streamHandle); |
| 149 | data.writeInt32((int32_t) clientThreadId); |
| 150 | data.writeInt64(periodNanoseconds); |
| 151 | status_t err = remote()->transact(REGISTER_AUDIO_THREAD, data, &reply); |
| 152 | if (err != NO_ERROR) { |
| 153 | return AAudioConvert_androidToAAudioResult(err); |
| 154 | } |
| 155 | // parse reply |
| 156 | aaudio_result_t res; |
| 157 | reply.readInt32(&res); |
| 158 | return res; |
| 159 | } |
| 160 | |
| 161 | virtual aaudio_result_t unregisterAudioThread(aaudio_handle_t streamHandle, pid_t clientThreadId) |
| 162 | override { |
| 163 | Parcel data, reply; |
| 164 | // send command |
| 165 | data.writeInterfaceToken(IAAudioService::getInterfaceDescriptor()); |
| 166 | data.writeInt32(streamHandle); |
| 167 | data.writeInt32((int32_t) clientThreadId); |
| 168 | status_t err = remote()->transact(UNREGISTER_AUDIO_THREAD, data, &reply); |
| 169 | if (err != NO_ERROR) { |
| 170 | return AAudioConvert_androidToAAudioResult(err); |
| 171 | } |
| 172 | // parse reply |
| 173 | aaudio_result_t res; |
| 174 | reply.readInt32(&res); |
| 175 | return res; |
| 176 | } |
| 177 | |
| 178 | }; |
| 179 | |
| 180 | // Implement an interface to the service. |
| 181 | // This is here so that you don't have to link with liboboe static library. |
| 182 | IMPLEMENT_META_INTERFACE(AAudioService, "IAAudioService"); |
| 183 | |
| 184 | // The order of parameters in the Parcels must match with code in BpAAudioService |
| 185 | |
| 186 | status_t BnAAudioService::onTransact(uint32_t code, const Parcel& data, |
| 187 | Parcel* reply, uint32_t flags) { |
Phil Burk | 3316d5e | 2017-02-15 11:23:01 -0800 | [diff] [blame] | 188 | aaudio_handle_t stream; |
Phil Burk | 5ed503c | 2017-02-01 09:38:15 -0800 | [diff] [blame] | 189 | aaudio::AAudioStreamRequest request; |
| 190 | aaudio::AAudioStreamConfiguration configuration; |
| 191 | pid_t pid; |
Phil Burk | 3316d5e | 2017-02-15 11:23:01 -0800 | [diff] [blame] | 192 | int64_t nanoseconds; |
Phil Burk | 5ed503c | 2017-02-01 09:38:15 -0800 | [diff] [blame] | 193 | aaudio_result_t result; |
| 194 | ALOGV("BnAAudioService::onTransact(%i) %i", code, flags); |
| 195 | data.checkInterface(this); |
| 196 | |
| 197 | switch(code) { |
| 198 | case OPEN_STREAM: { |
| 199 | request.readFromParcel(&data); |
| 200 | stream = openStream(request, configuration); |
| 201 | ALOGD("BnAAudioService::onTransact OPEN_STREAM server handle = 0x%08X", stream); |
| 202 | reply->writeInt32(stream); |
| 203 | configuration.writeToParcel(reply); |
| 204 | return NO_ERROR; |
| 205 | } break; |
| 206 | |
| 207 | case CLOSE_STREAM: { |
| 208 | data.readInt32(&stream); |
| 209 | ALOGD("BnAAudioService::onTransact CLOSE_STREAM 0x%08X", stream); |
| 210 | result = closeStream(stream); |
| 211 | reply->writeInt32(result); |
| 212 | return NO_ERROR; |
| 213 | } break; |
| 214 | |
| 215 | case GET_STREAM_DESCRIPTION: { |
| 216 | data.readInt32(&stream); |
| 217 | ALOGD("BnAAudioService::onTransact GET_STREAM_DESCRIPTION 0x%08X", stream); |
| 218 | aaudio::AudioEndpointParcelable parcelable; |
| 219 | result = getStreamDescription(stream, parcelable); |
| 220 | if (result != AAUDIO_OK) { |
| 221 | return AAudioConvert_aaudioToAndroidStatus(result); |
| 222 | } |
| 223 | parcelable.dump(); |
| 224 | result = parcelable.validate(); |
| 225 | if (result != AAUDIO_OK) { |
| 226 | return AAudioConvert_aaudioToAndroidStatus(result); |
| 227 | } |
| 228 | parcelable.writeToParcel(reply); |
| 229 | reply->writeInt32(result); |
| 230 | return NO_ERROR; |
| 231 | } break; |
| 232 | |
| 233 | case START_STREAM: { |
| 234 | data.readInt32(&stream); |
| 235 | result = startStream(stream); |
| 236 | ALOGD("BnAAudioService::onTransact START_STREAM 0x%08X, result = %d", |
| 237 | stream, result); |
| 238 | reply->writeInt32(result); |
| 239 | return NO_ERROR; |
| 240 | } break; |
| 241 | |
| 242 | case PAUSE_STREAM: { |
| 243 | data.readInt32(&stream); |
| 244 | result = pauseStream(stream); |
| 245 | ALOGD("BnAAudioService::onTransact PAUSE_STREAM 0x%08X, result = %d", |
| 246 | stream, result); |
| 247 | reply->writeInt32(result); |
| 248 | return NO_ERROR; |
| 249 | } break; |
| 250 | |
| 251 | case FLUSH_STREAM: { |
| 252 | data.readInt32(&stream); |
| 253 | result = flushStream(stream); |
| 254 | ALOGD("BnAAudioService::onTransact FLUSH_STREAM 0x%08X, result = %d", |
| 255 | stream, result); |
| 256 | reply->writeInt32(result); |
| 257 | return NO_ERROR; |
| 258 | } break; |
| 259 | |
| 260 | case REGISTER_AUDIO_THREAD: { |
| 261 | data.readInt32(&stream); |
| 262 | data.readInt32(&pid); |
| 263 | data.readInt64(&nanoseconds); |
| 264 | result = registerAudioThread(stream, pid, nanoseconds); |
| 265 | ALOGD("BnAAudioService::onTransact REGISTER_AUDIO_THREAD 0x%08X, result = %d", |
| 266 | stream, result); |
| 267 | reply->writeInt32(result); |
| 268 | return NO_ERROR; |
| 269 | } break; |
| 270 | |
| 271 | case UNREGISTER_AUDIO_THREAD: { |
| 272 | data.readInt32(&stream); |
| 273 | data.readInt32(&pid); |
| 274 | result = unregisterAudioThread(stream, pid); |
| 275 | ALOGD("BnAAudioService::onTransact UNREGISTER_AUDIO_THREAD 0x%08X, result = %d", |
| 276 | stream, result); |
| 277 | reply->writeInt32(result); |
| 278 | return NO_ERROR; |
| 279 | } break; |
| 280 | |
| 281 | default: |
| 282 | // ALOGW("BnAAudioService::onTransact not handled %u", code); |
| 283 | return BBinder::onTransact(code, data, reply, flags); |
| 284 | } |
| 285 | } |
| 286 | |
| 287 | } /* namespace android */ |