Andreas Huber | 20111aa | 2009-07-14 16:56:47 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2009 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 | //#define LOG_NDEBUG 0 |
| 18 | #define LOG_TAG "OMXClient" |
| 19 | #include <utils/Log.h> |
| 20 | |
| 21 | #include <sys/socket.h> |
| 22 | |
| 23 | #undef NDEBUG |
| 24 | #include <assert.h> |
| 25 | |
| 26 | #include <binder/IServiceManager.h> |
| 27 | #include <media/IMediaPlayerService.h> |
| 28 | #include <media/IOMX.h> |
| 29 | #include <media/stagefright/OMXClient.h> |
| 30 | |
| 31 | namespace android { |
| 32 | |
| 33 | OMXClient::OMXClient() |
| 34 | : mSock(-1) { |
| 35 | } |
| 36 | |
| 37 | OMXClient::~OMXClient() { |
| 38 | disconnect(); |
| 39 | } |
| 40 | |
| 41 | status_t OMXClient::connect() { |
| 42 | Mutex::Autolock autoLock(mLock); |
| 43 | |
| 44 | if (mSock >= 0) { |
| 45 | return UNKNOWN_ERROR; |
| 46 | } |
| 47 | |
| 48 | sp<IServiceManager> sm = defaultServiceManager(); |
| 49 | sp<IBinder> binder = sm->getService(String16("media.player")); |
| 50 | sp<IMediaPlayerService> service = interface_cast<IMediaPlayerService>(binder); |
| 51 | |
| 52 | assert(service.get() != NULL); |
| 53 | |
| 54 | mOMX = service->createOMX(); |
| 55 | assert(mOMX.get() != NULL); |
| 56 | |
| 57 | #if IOMX_USES_SOCKETS |
| 58 | status_t result = mOMX->connect(&mSock); |
| 59 | if (result != OK) { |
| 60 | mSock = -1; |
| 61 | |
| 62 | mOMX = NULL; |
| 63 | return result; |
| 64 | } |
| 65 | |
| 66 | pthread_attr_t attr; |
| 67 | pthread_attr_init(&attr); |
| 68 | pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE); |
| 69 | |
| 70 | int err = pthread_create(&mThread, &attr, ThreadWrapper, this); |
| 71 | assert(err == 0); |
| 72 | |
| 73 | pthread_attr_destroy(&attr); |
| 74 | #else |
| 75 | mReflector = new OMXClientReflector(this); |
| 76 | #endif |
| 77 | |
| 78 | return OK; |
| 79 | } |
| 80 | |
| 81 | void OMXClient::disconnect() { |
| 82 | { |
| 83 | Mutex::Autolock autoLock(mLock); |
| 84 | |
| 85 | if (mSock < 0) { |
| 86 | return; |
| 87 | } |
| 88 | |
| 89 | assert(mObservers.isEmpty()); |
| 90 | } |
| 91 | |
| 92 | #if IOMX_USES_SOCKETS |
| 93 | omx_message msg; |
| 94 | msg.type = omx_message::DISCONNECT; |
| 95 | ssize_t n = send(mSock, &msg, sizeof(msg), 0); |
| 96 | assert(n > 0 && static_cast<size_t>(n) == sizeof(msg)); |
| 97 | |
| 98 | void *dummy; |
| 99 | pthread_join(mThread, &dummy); |
| 100 | #else |
| 101 | mReflector->reset(); |
| 102 | mReflector.clear(); |
| 103 | #endif |
| 104 | } |
| 105 | |
| 106 | #if IOMX_USES_SOCKETS |
| 107 | // static |
| 108 | void *OMXClient::ThreadWrapper(void *me) { |
| 109 | ((OMXClient *)me)->threadEntry(); |
| 110 | |
| 111 | return NULL; |
| 112 | } |
| 113 | |
| 114 | void OMXClient::threadEntry() { |
| 115 | bool done = false; |
| 116 | while (!done) { |
| 117 | omx_message msg; |
| 118 | ssize_t n = recv(mSock, &msg, sizeof(msg), 0); |
| 119 | |
| 120 | if (n <= 0) { |
| 121 | break; |
| 122 | } |
| 123 | |
| 124 | done = onOMXMessage(msg); |
| 125 | } |
| 126 | |
| 127 | Mutex::Autolock autoLock(mLock); |
| 128 | close(mSock); |
| 129 | mSock = -1; |
| 130 | } |
| 131 | #endif |
| 132 | |
| 133 | status_t OMXClient::fillBuffer(IOMX::node_id node, IOMX::buffer_id buffer) { |
| 134 | #if !IOMX_USES_SOCKETS |
| 135 | mOMX->fill_buffer(node, buffer); |
| 136 | #else |
| 137 | if (mSock < 0) { |
| 138 | return UNKNOWN_ERROR; |
| 139 | } |
| 140 | |
| 141 | omx_message msg; |
| 142 | msg.type = omx_message::FILL_BUFFER; |
| 143 | msg.u.buffer_data.node = node; |
| 144 | msg.u.buffer_data.buffer = buffer; |
| 145 | |
| 146 | ssize_t n = send(mSock, &msg, sizeof(msg), 0); |
| 147 | assert(n > 0 && static_cast<size_t>(n) == sizeof(msg)); |
| 148 | #endif |
| 149 | |
| 150 | return OK; |
| 151 | } |
| 152 | |
| 153 | status_t OMXClient::emptyBuffer( |
| 154 | IOMX::node_id node, IOMX::buffer_id buffer, |
| 155 | OMX_U32 range_offset, OMX_U32 range_length, |
| 156 | OMX_U32 flags, OMX_TICKS timestamp) { |
| 157 | #if !IOMX_USES_SOCKETS |
| 158 | mOMX->empty_buffer( |
| 159 | node, buffer, range_offset, range_length, flags, timestamp); |
| 160 | #else |
| 161 | if (mSock < 0) { |
| 162 | return UNKNOWN_ERROR; |
| 163 | } |
| 164 | |
| 165 | // XXX I don't like all this copying... |
| 166 | |
| 167 | omx_message msg; |
| 168 | msg.type = omx_message::EMPTY_BUFFER; |
| 169 | msg.u.extended_buffer_data.node = node; |
| 170 | msg.u.extended_buffer_data.buffer = buffer; |
| 171 | msg.u.extended_buffer_data.range_offset = range_offset; |
| 172 | msg.u.extended_buffer_data.range_length = range_length; |
| 173 | msg.u.extended_buffer_data.flags = flags; |
| 174 | msg.u.extended_buffer_data.timestamp = timestamp; |
| 175 | |
| 176 | ssize_t n = send(mSock, &msg, sizeof(msg), 0); |
| 177 | assert(n > 0 && static_cast<size_t>(n) == sizeof(msg)); |
| 178 | #endif |
| 179 | |
| 180 | return OK; |
| 181 | } |
| 182 | |
| 183 | status_t OMXClient::send_command( |
| 184 | IOMX::node_id node, OMX_COMMANDTYPE cmd, OMX_S32 param) { |
| 185 | #if !IOMX_USES_SOCKETS |
| 186 | return mOMX->send_command(node, cmd, param); |
| 187 | #else |
| 188 | if (mSock < 0) { |
| 189 | return UNKNOWN_ERROR; |
| 190 | } |
| 191 | |
| 192 | omx_message msg; |
| 193 | msg.type = omx_message::SEND_COMMAND; |
| 194 | msg.u.send_command_data.node = node; |
| 195 | msg.u.send_command_data.cmd = cmd; |
| 196 | msg.u.send_command_data.param = param; |
| 197 | |
| 198 | ssize_t n = send(mSock, &msg, sizeof(msg), 0); |
| 199 | assert(n > 0 && static_cast<size_t>(n) == sizeof(msg)); |
| 200 | #endif |
| 201 | |
| 202 | return OK; |
| 203 | } |
| 204 | |
| 205 | status_t OMXClient::registerObserver( |
| 206 | IOMX::node_id node, OMXObserver *observer) { |
| 207 | Mutex::Autolock autoLock(&mLock); |
| 208 | |
| 209 | ssize_t index = mObservers.indexOfKey(node); |
| 210 | if (index >= 0) { |
| 211 | return UNKNOWN_ERROR; |
| 212 | } |
| 213 | |
| 214 | mObservers.add(node, observer); |
| 215 | observer->start(); |
| 216 | |
| 217 | #if !IOMX_USES_SOCKETS |
| 218 | mOMX->observe_node(node, mReflector); |
| 219 | #endif |
| 220 | |
| 221 | return OK; |
| 222 | } |
| 223 | |
| 224 | void OMXClient::unregisterObserver(IOMX::node_id node) { |
| 225 | Mutex::Autolock autoLock(mLock); |
| 226 | |
| 227 | ssize_t index = mObservers.indexOfKey(node); |
| 228 | assert(index >= 0); |
| 229 | |
| 230 | if (index < 0) { |
| 231 | return; |
| 232 | } |
| 233 | |
| 234 | OMXObserver *observer = mObservers.valueAt(index); |
| 235 | observer->stop(); |
| 236 | mObservers.removeItemsAt(index); |
| 237 | } |
| 238 | |
| 239 | bool OMXClient::onOMXMessage(const omx_message &msg) { |
| 240 | bool done = false; |
| 241 | |
| 242 | switch (msg.type) { |
| 243 | case omx_message::EVENT: |
| 244 | { |
| 245 | LOGV("OnEvent node:%p event:%d data1:%ld data2:%ld", |
| 246 | msg.u.event_data.node, |
| 247 | msg.u.event_data.event, |
| 248 | msg.u.event_data.data1, |
| 249 | msg.u.event_data.data2); |
| 250 | |
| 251 | break; |
| 252 | } |
| 253 | |
| 254 | case omx_message::FILL_BUFFER_DONE: |
| 255 | { |
| 256 | LOGV("FillBufferDone %p", msg.u.extended_buffer_data.buffer); |
| 257 | break; |
| 258 | } |
| 259 | |
| 260 | case omx_message::EMPTY_BUFFER_DONE: |
| 261 | { |
| 262 | LOGV("EmptyBufferDone %p", msg.u.buffer_data.buffer); |
| 263 | break; |
| 264 | } |
| 265 | |
| 266 | #if IOMX_USES_SOCKETS |
| 267 | case omx_message::DISCONNECTED: |
| 268 | { |
| 269 | LOGV("Disconnected"); |
| 270 | done = true; |
| 271 | break; |
| 272 | } |
| 273 | #endif |
| 274 | |
| 275 | default: |
| 276 | LOGE("received unknown omx_message type %d", msg.type); |
| 277 | break; |
| 278 | } |
| 279 | |
| 280 | Mutex::Autolock autoLock(mLock); |
| 281 | ssize_t index = mObservers.indexOfKey(msg.u.buffer_data.node); |
| 282 | |
| 283 | if (index >= 0) { |
| 284 | mObservers.editValueAt(index)->postMessage(msg); |
| 285 | } |
| 286 | |
| 287 | return done; |
| 288 | } |
| 289 | |
| 290 | //////////////////////////////////////////////////////////////////////////////// |
| 291 | |
| 292 | OMXObserver::OMXObserver() { |
| 293 | } |
| 294 | |
| 295 | OMXObserver::~OMXObserver() { |
| 296 | } |
| 297 | |
| 298 | void OMXObserver::start() { |
| 299 | pthread_attr_t attr; |
| 300 | pthread_attr_init(&attr); |
| 301 | pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE); |
| 302 | |
| 303 | int err = pthread_create(&mThread, &attr, ThreadWrapper, this); |
| 304 | assert(err == 0); |
| 305 | |
| 306 | pthread_attr_destroy(&attr); |
| 307 | } |
| 308 | |
| 309 | void OMXObserver::stop() { |
| 310 | omx_message msg; |
| 311 | msg.type = omx_message::QUIT_OBSERVER; |
| 312 | postMessage(msg); |
| 313 | |
| 314 | void *dummy; |
| 315 | pthread_join(mThread, &dummy); |
| 316 | } |
| 317 | |
| 318 | void OMXObserver::postMessage(const omx_message &msg) { |
| 319 | Mutex::Autolock autoLock(mLock); |
| 320 | mQueue.push_back(msg); |
| 321 | mQueueNotEmpty.signal(); |
| 322 | } |
| 323 | |
| 324 | // static |
| 325 | void *OMXObserver::ThreadWrapper(void *me) { |
| 326 | static_cast<OMXObserver *>(me)->threadEntry(); |
| 327 | |
| 328 | return NULL; |
| 329 | } |
| 330 | |
| 331 | void OMXObserver::threadEntry() { |
| 332 | for (;;) { |
| 333 | omx_message msg; |
| 334 | |
| 335 | { |
| 336 | Mutex::Autolock autoLock(mLock); |
| 337 | while (mQueue.empty()) { |
| 338 | mQueueNotEmpty.wait(mLock); |
| 339 | } |
| 340 | |
| 341 | msg = *mQueue.begin(); |
| 342 | mQueue.erase(mQueue.begin()); |
| 343 | } |
| 344 | |
| 345 | if (msg.type == omx_message::QUIT_OBSERVER) { |
| 346 | break; |
| 347 | } |
| 348 | |
| 349 | onOMXMessage(msg); |
| 350 | } |
| 351 | } |
| 352 | |
| 353 | //////////////////////////////////////////////////////////////////////////////// |
| 354 | |
| 355 | OMXClientReflector::OMXClientReflector(OMXClient *client) |
| 356 | : mClient(client) { |
| 357 | } |
| 358 | |
| 359 | void OMXClientReflector::on_message(const omx_message &msg) { |
| 360 | if (mClient != NULL) { |
| 361 | mClient->onOMXMessage(msg); |
| 362 | } |
| 363 | } |
| 364 | |
| 365 | void OMXClientReflector::reset() { |
| 366 | mClient = NULL; |
| 367 | } |
| 368 | |
| 369 | } // namespace android |