IOMX.cpp revision 9a4768f7bfcd4654f93ad9b22eff87df493a9d5e
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 "IOMX" 19#include <utils/Log.h> 20 21#include <sys/mman.h> 22 23#include <binder/IMemory.h> 24#include <binder/Parcel.h> 25#include <media/IOMX.h> 26#include <media/stagefright/foundation/ADebug.h> 27 28namespace android { 29 30enum { 31 CONNECT = IBinder::FIRST_CALL_TRANSACTION, 32 LIVES_LOCALLY, 33 LIST_NODES, 34 ALLOCATE_NODE, 35 FREE_NODE, 36 SEND_COMMAND, 37 GET_PARAMETER, 38 SET_PARAMETER, 39 GET_CONFIG, 40 SET_CONFIG, 41 GET_STATE, 42 ENABLE_GRAPHIC_BUFFERS, 43 USE_BUFFER, 44 USE_GRAPHIC_BUFFER, 45 CREATE_INPUT_SURFACE, 46 SIGNAL_END_OF_INPUT_STREAM, 47 STORE_META_DATA_IN_BUFFERS, 48 PREPARE_FOR_ADAPTIVE_PLAYBACK, 49 ALLOC_BUFFER, 50 ALLOC_BUFFER_WITH_BACKUP, 51 FREE_BUFFER, 52 FILL_BUFFER, 53 EMPTY_BUFFER, 54 GET_EXTENSION_INDEX, 55 OBSERVER_ON_MSG, 56 GET_GRAPHIC_BUFFER_USAGE, 57 SET_INTERNAL_OPTION, 58 UPDATE_GRAPHIC_BUFFER_IN_META, 59 CONFIGURE_VIDEO_TUNNEL_MODE, 60}; 61 62class BpOMX : public BpInterface<IOMX> { 63public: 64 BpOMX(const sp<IBinder> &impl) 65 : BpInterface<IOMX>(impl) { 66 } 67 68 virtual bool livesLocally(node_id node, pid_t pid) { 69 Parcel data, reply; 70 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 71 data.writeInt32((int32_t)node); 72 data.writeInt32(pid); 73 remote()->transact(LIVES_LOCALLY, data, &reply); 74 75 return reply.readInt32() != 0; 76 } 77 78 virtual status_t listNodes(List<ComponentInfo> *list) { 79 list->clear(); 80 81 Parcel data, reply; 82 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 83 remote()->transact(LIST_NODES, data, &reply); 84 85 int32_t n = reply.readInt32(); 86 for (int32_t i = 0; i < n; ++i) { 87 list->push_back(ComponentInfo()); 88 ComponentInfo &info = *--list->end(); 89 90 info.mName = reply.readString8(); 91 int32_t numRoles = reply.readInt32(); 92 for (int32_t j = 0; j < numRoles; ++j) { 93 info.mRoles.push_back(reply.readString8()); 94 } 95 } 96 97 return OK; 98 } 99 100 virtual status_t allocateNode( 101 const char *name, const sp<IOMXObserver> &observer, node_id *node) { 102 Parcel data, reply; 103 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 104 data.writeCString(name); 105 data.writeStrongBinder(observer->asBinder()); 106 remote()->transact(ALLOCATE_NODE, data, &reply); 107 108 status_t err = reply.readInt32(); 109 if (err == OK) { 110 *node = (node_id)reply.readInt32(); 111 } else { 112 *node = 0; 113 } 114 115 return err; 116 } 117 118 virtual status_t freeNode(node_id node) { 119 Parcel data, reply; 120 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 121 data.writeInt32((int32_t)node); 122 remote()->transact(FREE_NODE, data, &reply); 123 124 return reply.readInt32(); 125 } 126 127 virtual status_t sendCommand( 128 node_id node, OMX_COMMANDTYPE cmd, OMX_S32 param) { 129 Parcel data, reply; 130 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 131 data.writeInt32((int32_t)node); 132 data.writeInt32(cmd); 133 data.writeInt32(param); 134 remote()->transact(SEND_COMMAND, data, &reply); 135 136 return reply.readInt32(); 137 } 138 139 virtual status_t getParameter( 140 node_id node, OMX_INDEXTYPE index, 141 void *params, size_t size) { 142 Parcel data, reply; 143 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 144 data.writeInt32((int32_t)node); 145 data.writeInt32(index); 146 data.writeInt64(size); 147 data.write(params, size); 148 remote()->transact(GET_PARAMETER, data, &reply); 149 150 status_t err = reply.readInt32(); 151 if (err != OK) { 152 return err; 153 } 154 155 reply.read(params, size); 156 157 return OK; 158 } 159 160 virtual status_t setParameter( 161 node_id node, OMX_INDEXTYPE index, 162 const void *params, size_t size) { 163 Parcel data, reply; 164 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 165 data.writeInt32((int32_t)node); 166 data.writeInt32(index); 167 data.writeInt64(size); 168 data.write(params, size); 169 remote()->transact(SET_PARAMETER, data, &reply); 170 171 return reply.readInt32(); 172 } 173 174 virtual status_t getConfig( 175 node_id node, OMX_INDEXTYPE index, 176 void *params, size_t size) { 177 Parcel data, reply; 178 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 179 data.writeInt32((int32_t)node); 180 data.writeInt32(index); 181 data.writeInt64(size); 182 data.write(params, size); 183 remote()->transact(GET_CONFIG, data, &reply); 184 185 status_t err = reply.readInt32(); 186 if (err != OK) { 187 return err; 188 } 189 190 reply.read(params, size); 191 192 return OK; 193 } 194 195 virtual status_t setConfig( 196 node_id node, OMX_INDEXTYPE index, 197 const void *params, size_t size) { 198 Parcel data, reply; 199 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 200 data.writeInt32((int32_t)node); 201 data.writeInt32(index); 202 data.writeInt64(size); 203 data.write(params, size); 204 remote()->transact(SET_CONFIG, data, &reply); 205 206 return reply.readInt32(); 207 } 208 209 virtual status_t getState( 210 node_id node, OMX_STATETYPE* state) { 211 Parcel data, reply; 212 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 213 data.writeInt32((int32_t)node); 214 remote()->transact(GET_STATE, data, &reply); 215 216 *state = static_cast<OMX_STATETYPE>(reply.readInt32()); 217 return reply.readInt32(); 218 } 219 220 virtual status_t enableGraphicBuffers( 221 node_id node, OMX_U32 port_index, OMX_BOOL enable) { 222 Parcel data, reply; 223 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 224 data.writeInt32((int32_t)node); 225 data.writeInt32(port_index); 226 data.writeInt32((uint32_t)enable); 227 remote()->transact(ENABLE_GRAPHIC_BUFFERS, data, &reply); 228 229 status_t err = reply.readInt32(); 230 return err; 231 } 232 233 virtual status_t getGraphicBufferUsage( 234 node_id node, OMX_U32 port_index, OMX_U32* usage) { 235 Parcel data, reply; 236 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 237 data.writeInt32((int32_t)node); 238 data.writeInt32(port_index); 239 remote()->transact(GET_GRAPHIC_BUFFER_USAGE, data, &reply); 240 241 status_t err = reply.readInt32(); 242 *usage = reply.readInt32(); 243 return err; 244 } 245 246 virtual status_t useBuffer( 247 node_id node, OMX_U32 port_index, const sp<IMemory> ¶ms, 248 buffer_id *buffer, OMX_BOOL /* crossProcess */) { 249 Parcel data, reply; 250 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 251 data.writeInt32((int32_t)node); 252 data.writeInt32(port_index); 253 data.writeStrongBinder(params->asBinder()); 254 remote()->transact(USE_BUFFER, data, &reply); 255 256 status_t err = reply.readInt32(); 257 if (err != OK) { 258 *buffer = 0; 259 260 return err; 261 } 262 263 *buffer = (buffer_id)reply.readInt32(); 264 265 return err; 266 } 267 268 269 virtual status_t useGraphicBuffer( 270 node_id node, OMX_U32 port_index, 271 const sp<GraphicBuffer> &graphicBuffer, buffer_id *buffer) { 272 Parcel data, reply; 273 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 274 data.writeInt32((int32_t)node); 275 data.writeInt32(port_index); 276 data.write(*graphicBuffer); 277 remote()->transact(USE_GRAPHIC_BUFFER, data, &reply); 278 279 status_t err = reply.readInt32(); 280 if (err != OK) { 281 *buffer = 0; 282 283 return err; 284 } 285 286 *buffer = (buffer_id)reply.readInt32(); 287 288 return err; 289 } 290 291 virtual status_t updateGraphicBufferInMeta( 292 node_id node, OMX_U32 port_index, 293 const sp<GraphicBuffer> &graphicBuffer, buffer_id buffer) { 294 Parcel data, reply; 295 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 296 data.writeInt32((int32_t)node); 297 data.writeInt32(port_index); 298 data.write(*graphicBuffer); 299 data.writeInt32((int32_t)buffer); 300 remote()->transact(UPDATE_GRAPHIC_BUFFER_IN_META, data, &reply); 301 302 status_t err = reply.readInt32(); 303 return err; 304 } 305 306 virtual status_t createInputSurface( 307 node_id node, OMX_U32 port_index, 308 sp<IGraphicBufferProducer> *bufferProducer) { 309 Parcel data, reply; 310 status_t err; 311 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 312 data.writeInt32((int32_t)node); 313 data.writeInt32(port_index); 314 err = remote()->transact(CREATE_INPUT_SURFACE, data, &reply); 315 if (err != OK) { 316 ALOGW("binder transaction failed: %d", err); 317 return err; 318 } 319 320 err = reply.readInt32(); 321 if (err != OK) { 322 return err; 323 } 324 325 *bufferProducer = IGraphicBufferProducer::asInterface( 326 reply.readStrongBinder()); 327 328 return err; 329 } 330 331 virtual status_t signalEndOfInputStream(node_id node) { 332 Parcel data, reply; 333 status_t err; 334 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 335 data.writeInt32((int32_t)node); 336 err = remote()->transact(SIGNAL_END_OF_INPUT_STREAM, data, &reply); 337 if (err != OK) { 338 ALOGW("binder transaction failed: %d", err); 339 return err; 340 } 341 342 return reply.readInt32(); 343 } 344 345 virtual status_t storeMetaDataInBuffers( 346 node_id node, OMX_U32 port_index, OMX_BOOL enable) { 347 Parcel data, reply; 348 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 349 data.writeInt32((int32_t)node); 350 data.writeInt32(port_index); 351 data.writeInt32((uint32_t)enable); 352 remote()->transact(STORE_META_DATA_IN_BUFFERS, data, &reply); 353 354 status_t err = reply.readInt32(); 355 return err; 356 } 357 358 virtual status_t prepareForAdaptivePlayback( 359 node_id node, OMX_U32 port_index, OMX_BOOL enable, 360 OMX_U32 max_width, OMX_U32 max_height) { 361 Parcel data, reply; 362 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 363 data.writeInt32((int32_t)node); 364 data.writeInt32(port_index); 365 data.writeInt32((int32_t)enable); 366 data.writeInt32(max_width); 367 data.writeInt32(max_height); 368 remote()->transact(PREPARE_FOR_ADAPTIVE_PLAYBACK, data, &reply); 369 370 status_t err = reply.readInt32(); 371 return err; 372 } 373 374 virtual status_t configureVideoTunnelMode( 375 node_id node, OMX_U32 portIndex, OMX_BOOL tunneled, 376 OMX_U32 audioHwSync, native_handle_t **sidebandHandle ) { 377 Parcel data, reply; 378 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 379 data.writeInt32((int32_t)node); 380 data.writeInt32(portIndex); 381 data.writeInt32((int32_t)tunneled); 382 data.writeInt32(audioHwSync); 383 remote()->transact(CONFIGURE_VIDEO_TUNNEL_MODE, data, &reply); 384 385 status_t err = reply.readInt32(); 386 if (err == OK && sidebandHandle) { 387 *sidebandHandle = (native_handle_t *)reply.readNativeHandle(); 388 } 389 return err; 390 } 391 392 393 virtual status_t allocateBuffer( 394 node_id node, OMX_U32 port_index, size_t size, 395 buffer_id *buffer, void **buffer_data) { 396 Parcel data, reply; 397 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 398 data.writeInt32((int32_t)node); 399 data.writeInt32(port_index); 400 data.writeInt64(size); 401 remote()->transact(ALLOC_BUFFER, data, &reply); 402 403 status_t err = reply.readInt32(); 404 if (err != OK) { 405 *buffer = 0; 406 407 return err; 408 } 409 410 *buffer = (buffer_id)reply.readInt32(); 411 *buffer_data = (void *)reply.readInt64(); 412 413 return err; 414 } 415 416 virtual status_t allocateBufferWithBackup( 417 node_id node, OMX_U32 port_index, const sp<IMemory> ¶ms, 418 buffer_id *buffer, OMX_BOOL /* crossProcess */) { 419 Parcel data, reply; 420 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 421 data.writeInt32((int32_t)node); 422 data.writeInt32(port_index); 423 data.writeStrongBinder(params->asBinder()); 424 remote()->transact(ALLOC_BUFFER_WITH_BACKUP, data, &reply); 425 426 status_t err = reply.readInt32(); 427 if (err != OK) { 428 *buffer = 0; 429 430 return err; 431 } 432 433 *buffer = (buffer_id)reply.readInt32(); 434 435 return err; 436 } 437 438 virtual status_t freeBuffer( 439 node_id node, OMX_U32 port_index, buffer_id buffer) { 440 Parcel data, reply; 441 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 442 data.writeInt32((int32_t)node); 443 data.writeInt32(port_index); 444 data.writeInt32((int32_t)buffer); 445 remote()->transact(FREE_BUFFER, data, &reply); 446 447 return reply.readInt32(); 448 } 449 450 virtual status_t fillBuffer(node_id node, buffer_id buffer) { 451 Parcel data, reply; 452 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 453 data.writeInt32((int32_t)node); 454 data.writeInt32((int32_t)buffer); 455 remote()->transact(FILL_BUFFER, data, &reply); 456 457 return reply.readInt32(); 458 } 459 460 virtual status_t emptyBuffer( 461 node_id node, 462 buffer_id buffer, 463 OMX_U32 range_offset, OMX_U32 range_length, 464 OMX_U32 flags, OMX_TICKS timestamp) { 465 Parcel data, reply; 466 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 467 data.writeInt32((int32_t)node); 468 data.writeInt32((int32_t)buffer); 469 data.writeInt32(range_offset); 470 data.writeInt32(range_length); 471 data.writeInt32(flags); 472 data.writeInt64(timestamp); 473 remote()->transact(EMPTY_BUFFER, data, &reply); 474 475 return reply.readInt32(); 476 } 477 478 virtual status_t getExtensionIndex( 479 node_id node, 480 const char *parameter_name, 481 OMX_INDEXTYPE *index) { 482 Parcel data, reply; 483 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 484 data.writeInt32((int32_t)node); 485 data.writeCString(parameter_name); 486 487 remote()->transact(GET_EXTENSION_INDEX, data, &reply); 488 489 status_t err = reply.readInt32(); 490 if (err == OK) { 491 *index = static_cast<OMX_INDEXTYPE>(reply.readInt32()); 492 } else { 493 *index = OMX_IndexComponentStartUnused; 494 } 495 496 return err; 497 } 498 499 virtual status_t setInternalOption( 500 node_id node, 501 OMX_U32 port_index, 502 InternalOptionType type, 503 const void *optionData, 504 size_t size) { 505 Parcel data, reply; 506 data.writeInterfaceToken(IOMX::getInterfaceDescriptor()); 507 data.writeInt32((int32_t)node); 508 data.writeInt32(port_index); 509 data.writeInt64(size); 510 data.write(optionData, size); 511 data.writeInt32(type); 512 remote()->transact(SET_INTERNAL_OPTION, data, &reply); 513 514 return reply.readInt32(); 515 } 516}; 517 518IMPLEMENT_META_INTERFACE(OMX, "android.hardware.IOMX"); 519 520//////////////////////////////////////////////////////////////////////////////// 521 522#define CHECK_OMX_INTERFACE(interface, data, reply) \ 523 do { if (!data.enforceInterface(interface::getInterfaceDescriptor())) { \ 524 ALOGW("Call incorrectly routed to " #interface); \ 525 return PERMISSION_DENIED; \ 526 } } while (0) 527 528status_t BnOMX::onTransact( 529 uint32_t code, const Parcel &data, Parcel *reply, uint32_t flags) { 530 switch (code) { 531 case LIVES_LOCALLY: 532 { 533 CHECK_OMX_INTERFACE(IOMX, data, reply); 534 node_id node = (node_id)data.readInt32(); 535 pid_t pid = (pid_t)data.readInt32(); 536 reply->writeInt32(livesLocally(node, pid)); 537 538 return OK; 539 } 540 541 case LIST_NODES: 542 { 543 CHECK_OMX_INTERFACE(IOMX, data, reply); 544 545 List<ComponentInfo> list; 546 listNodes(&list); 547 548 reply->writeInt32(list.size()); 549 for (List<ComponentInfo>::iterator it = list.begin(); 550 it != list.end(); ++it) { 551 ComponentInfo &cur = *it; 552 553 reply->writeString8(cur.mName); 554 reply->writeInt32(cur.mRoles.size()); 555 for (List<String8>::iterator role_it = cur.mRoles.begin(); 556 role_it != cur.mRoles.end(); ++role_it) { 557 reply->writeString8(*role_it); 558 } 559 } 560 561 return NO_ERROR; 562 } 563 564 case ALLOCATE_NODE: 565 { 566 CHECK_OMX_INTERFACE(IOMX, data, reply); 567 568 const char *name = data.readCString(); 569 570 sp<IOMXObserver> observer = 571 interface_cast<IOMXObserver>(data.readStrongBinder()); 572 573 node_id node; 574 575 status_t err = allocateNode(name, observer, &node); 576 reply->writeInt32(err); 577 if (err == OK) { 578 reply->writeInt32((int32_t)node); 579 } 580 581 return NO_ERROR; 582 } 583 584 case FREE_NODE: 585 { 586 CHECK_OMX_INTERFACE(IOMX, data, reply); 587 588 node_id node = (node_id)data.readInt32(); 589 590 reply->writeInt32(freeNode(node)); 591 592 return NO_ERROR; 593 } 594 595 case SEND_COMMAND: 596 { 597 CHECK_OMX_INTERFACE(IOMX, data, reply); 598 599 node_id node = (node_id)data.readInt32(); 600 601 OMX_COMMANDTYPE cmd = 602 static_cast<OMX_COMMANDTYPE>(data.readInt32()); 603 604 OMX_S32 param = data.readInt32(); 605 reply->writeInt32(sendCommand(node, cmd, param)); 606 607 return NO_ERROR; 608 } 609 610 case GET_PARAMETER: 611 case SET_PARAMETER: 612 case GET_CONFIG: 613 case SET_CONFIG: 614 case SET_INTERNAL_OPTION: 615 { 616 CHECK_OMX_INTERFACE(IOMX, data, reply); 617 618 node_id node = (node_id)data.readInt32(); 619 OMX_INDEXTYPE index = static_cast<OMX_INDEXTYPE>(data.readInt32()); 620 621 size_t size = data.readInt64(); 622 623 status_t err = NOT_ENOUGH_DATA; 624 void *params = NULL; 625 size_t pageSize = 0; 626 size_t allocSize = 0; 627 if (code != SET_INTERNAL_OPTION && size < 8) { 628 // we expect the structure to contain at least the size and 629 // version, 8 bytes total 630 ALOGE("b/27207275 (%zu)", size); 631 android_errorWriteLog(0x534e4554, "27207275"); 632 } else { 633 err = NO_MEMORY; 634 pageSize = (size_t) sysconf(_SC_PAGE_SIZE); 635 if (size > SIZE_MAX - (pageSize * 2)) { 636 ALOGE("requested param size too big"); 637 } else { 638 allocSize = (size + pageSize * 2) & ~(pageSize - 1); 639 params = mmap(NULL, allocSize, PROT_READ | PROT_WRITE, 640 MAP_PRIVATE | MAP_ANONYMOUS, -1 /* fd */, 0 /* offset */); 641 } 642 if (params != MAP_FAILED) { 643 err = data.read(params, size); 644 if (err != OK) { 645 android_errorWriteLog(0x534e4554, "26914474"); 646 } else { 647 err = NOT_ENOUGH_DATA; 648 OMX_U32 declaredSize = *(OMX_U32*)params; 649 if (code != SET_INTERNAL_OPTION && declaredSize > size) { 650 // the buffer says it's bigger than it actually is 651 ALOGE("b/27207275 (%u/%zu)", declaredSize, size); 652 android_errorWriteLog(0x534e4554, "27207275"); 653 } else { 654 // mark the last page as inaccessible, to avoid exploitation 655 // of codecs that access past the end of the allocation because 656 // they didn't check the size 657 mprotect((char*)params + allocSize - pageSize, pageSize, PROT_NONE); 658 switch (code) { 659 case GET_PARAMETER: 660 err = getParameter(node, index, params, size); 661 break; 662 case SET_PARAMETER: 663 err = setParameter(node, index, params, size); 664 break; 665 case GET_CONFIG: 666 err = getConfig(node, index, params, size); 667 break; 668 case SET_CONFIG: 669 err = setConfig(node, index, params, size); 670 break; 671 case SET_INTERNAL_OPTION: 672 { 673 InternalOptionType type = 674 (InternalOptionType)data.readInt32(); 675 676 err = setInternalOption(node, index, type, params, size); 677 break; 678 } 679 680 default: 681 TRESPASS(); 682 } 683 } 684 } 685 } else { 686 ALOGE("couldn't map: %s", strerror(errno)); 687 } 688 } 689 690 reply->writeInt32(err); 691 692 if ((code == GET_PARAMETER || code == GET_CONFIG) && err == OK) { 693 reply->write(params, size); 694 } 695 696 if (params) { 697 munmap(params, allocSize); 698 } 699 params = NULL; 700 701 return NO_ERROR; 702 } 703 704 case GET_STATE: 705 { 706 CHECK_OMX_INTERFACE(IOMX, data, reply); 707 708 node_id node = (node_id)data.readInt32(); 709 OMX_STATETYPE state = OMX_StateInvalid; 710 711 status_t err = getState(node, &state); 712 reply->writeInt32(state); 713 reply->writeInt32(err); 714 715 return NO_ERROR; 716 } 717 718 case ENABLE_GRAPHIC_BUFFERS: 719 { 720 CHECK_OMX_INTERFACE(IOMX, data, reply); 721 722 node_id node = (node_id)data.readInt32(); 723 OMX_U32 port_index = data.readInt32(); 724 OMX_BOOL enable = (OMX_BOOL)data.readInt32(); 725 726 status_t err = enableGraphicBuffers(node, port_index, enable); 727 reply->writeInt32(err); 728 729 return NO_ERROR; 730 } 731 732 case GET_GRAPHIC_BUFFER_USAGE: 733 { 734 CHECK_OMX_INTERFACE(IOMX, data, reply); 735 736 node_id node = (node_id)data.readInt32(); 737 OMX_U32 port_index = data.readInt32(); 738 739 OMX_U32 usage = 0; 740 status_t err = getGraphicBufferUsage(node, port_index, &usage); 741 reply->writeInt32(err); 742 reply->writeInt32(usage); 743 744 return NO_ERROR; 745 } 746 747 case USE_BUFFER: 748 { 749 CHECK_OMX_INTERFACE(IOMX, data, reply); 750 751 node_id node = (node_id)data.readInt32(); 752 OMX_U32 port_index = data.readInt32(); 753 sp<IMemory> params = 754 interface_cast<IMemory>(data.readStrongBinder()); 755 756 buffer_id buffer; 757 status_t err = useBuffer( 758 node, port_index, params, &buffer, OMX_TRUE /* crossProcess */); 759 reply->writeInt32(err); 760 761 if (err == OK) { 762 reply->writeInt32((int32_t)buffer); 763 } 764 765 return NO_ERROR; 766 } 767 768 case USE_GRAPHIC_BUFFER: 769 { 770 CHECK_OMX_INTERFACE(IOMX, data, reply); 771 772 node_id node = (node_id)data.readInt32(); 773 OMX_U32 port_index = data.readInt32(); 774 sp<GraphicBuffer> graphicBuffer = new GraphicBuffer(); 775 data.read(*graphicBuffer); 776 777 buffer_id buffer; 778 status_t err = useGraphicBuffer( 779 node, port_index, graphicBuffer, &buffer); 780 reply->writeInt32(err); 781 782 if (err == OK) { 783 reply->writeInt32((int32_t)buffer); 784 } 785 786 return NO_ERROR; 787 } 788 789 case UPDATE_GRAPHIC_BUFFER_IN_META: 790 { 791 CHECK_OMX_INTERFACE(IOMX, data, reply); 792 793 node_id node = (node_id)data.readInt32(); 794 OMX_U32 port_index = data.readInt32(); 795 sp<GraphicBuffer> graphicBuffer = new GraphicBuffer(); 796 data.read(*graphicBuffer); 797 buffer_id buffer = (buffer_id)data.readInt32(); 798 799 status_t err = updateGraphicBufferInMeta( 800 node, port_index, graphicBuffer, buffer); 801 reply->writeInt32(err); 802 803 return NO_ERROR; 804 } 805 806 case CREATE_INPUT_SURFACE: 807 { 808 CHECK_OMX_INTERFACE(IOMX, data, reply); 809 810 node_id node = (node_id)data.readInt32(); 811 OMX_U32 port_index = data.readInt32(); 812 813 sp<IGraphicBufferProducer> bufferProducer; 814 status_t err = createInputSurface(node, port_index, 815 &bufferProducer); 816 817 reply->writeInt32(err); 818 819 if (err == OK) { 820 reply->writeStrongBinder(bufferProducer->asBinder()); 821 } 822 823 return NO_ERROR; 824 } 825 826 case SIGNAL_END_OF_INPUT_STREAM: 827 { 828 CHECK_OMX_INTERFACE(IOMX, data, reply); 829 830 node_id node = (node_id)data.readInt32(); 831 832 status_t err = signalEndOfInputStream(node); 833 reply->writeInt32(err); 834 835 return NO_ERROR; 836 } 837 838 case STORE_META_DATA_IN_BUFFERS: 839 { 840 CHECK_OMX_INTERFACE(IOMX, data, reply); 841 842 node_id node = (node_id)data.readInt32(); 843 OMX_U32 port_index = data.readInt32(); 844 OMX_BOOL enable = (OMX_BOOL)data.readInt32(); 845 846 status_t err = 847 // only control output metadata via Binder 848 port_index != 1 /* kOutputPortIndex */ ? BAD_VALUE : 849 storeMetaDataInBuffers(node, port_index, enable); 850 reply->writeInt32(err); 851 852 return NO_ERROR; 853 } 854 855 case PREPARE_FOR_ADAPTIVE_PLAYBACK: 856 { 857 CHECK_OMX_INTERFACE(IOMX, data, reply); 858 859 node_id node = (node_id)data.readInt32(); 860 OMX_U32 port_index = data.readInt32(); 861 OMX_BOOL enable = (OMX_BOOL)data.readInt32(); 862 OMX_U32 max_width = data.readInt32(); 863 OMX_U32 max_height = data.readInt32(); 864 865 status_t err = prepareForAdaptivePlayback( 866 node, port_index, enable, max_width, max_height); 867 reply->writeInt32(err); 868 869 return NO_ERROR; 870 } 871 872 case CONFIGURE_VIDEO_TUNNEL_MODE: 873 { 874 CHECK_OMX_INTERFACE(IOMX, data, reply); 875 876 node_id node = (node_id)data.readInt32(); 877 OMX_U32 port_index = data.readInt32(); 878 OMX_BOOL tunneled = (OMX_BOOL)data.readInt32(); 879 OMX_U32 audio_hw_sync = data.readInt32(); 880 881 native_handle_t *sideband_handle = NULL; 882 status_t err = configureVideoTunnelMode( 883 node, port_index, tunneled, audio_hw_sync, &sideband_handle); 884 reply->writeInt32(err); 885 if(err == OK){ 886 reply->writeNativeHandle(sideband_handle); 887 } 888 889 return NO_ERROR; 890 } 891 892 case ALLOC_BUFFER: 893 { 894 CHECK_OMX_INTERFACE(IOMX, data, reply); 895 896 node_id node = (node_id)data.readInt32(); 897 OMX_U32 port_index = data.readInt32(); 898 if (!isSecure(node) || port_index != 0 /* kPortIndexInput */) { 899 ALOGE("b/24310423"); 900 reply->writeInt32(INVALID_OPERATION); 901 return NO_ERROR; 902 } 903 904 size_t size = data.readInt64(); 905 906 buffer_id buffer; 907 void *buffer_data; 908 status_t err = allocateBuffer( 909 node, port_index, size, &buffer, &buffer_data); 910 reply->writeInt32(err); 911 912 if (err == OK) { 913 reply->writeInt32((int32_t)buffer); 914 reply->writeInt64((uintptr_t)buffer_data); 915 } 916 917 return NO_ERROR; 918 } 919 920 case ALLOC_BUFFER_WITH_BACKUP: 921 { 922 CHECK_OMX_INTERFACE(IOMX, data, reply); 923 924 node_id node = (node_id)data.readInt32(); 925 OMX_U32 port_index = data.readInt32(); 926 sp<IMemory> params = 927 interface_cast<IMemory>(data.readStrongBinder()); 928 929 buffer_id buffer; 930 status_t err = allocateBufferWithBackup( 931 node, port_index, params, &buffer, OMX_TRUE /* crossProcess */); 932 933 reply->writeInt32(err); 934 935 if (err == OK) { 936 reply->writeInt32((int32_t)buffer); 937 } 938 939 return NO_ERROR; 940 } 941 942 case FREE_BUFFER: 943 { 944 CHECK_OMX_INTERFACE(IOMX, data, reply); 945 946 node_id node = (node_id)data.readInt32(); 947 OMX_U32 port_index = data.readInt32(); 948 buffer_id buffer = (buffer_id)data.readInt32(); 949 reply->writeInt32(freeBuffer(node, port_index, buffer)); 950 951 return NO_ERROR; 952 } 953 954 case FILL_BUFFER: 955 { 956 CHECK_OMX_INTERFACE(IOMX, data, reply); 957 958 node_id node = (node_id)data.readInt32(); 959 buffer_id buffer = (buffer_id)data.readInt32(); 960 reply->writeInt32(fillBuffer(node, buffer)); 961 962 return NO_ERROR; 963 } 964 965 case EMPTY_BUFFER: 966 { 967 CHECK_OMX_INTERFACE(IOMX, data, reply); 968 969 node_id node = (node_id)data.readInt32(); 970 buffer_id buffer = (buffer_id)data.readInt32(); 971 OMX_U32 range_offset = data.readInt32(); 972 OMX_U32 range_length = data.readInt32(); 973 OMX_U32 flags = data.readInt32(); 974 OMX_TICKS timestamp = data.readInt64(); 975 976 reply->writeInt32( 977 emptyBuffer( 978 node, buffer, range_offset, range_length, 979 flags, timestamp)); 980 981 return NO_ERROR; 982 } 983 984 case GET_EXTENSION_INDEX: 985 { 986 CHECK_OMX_INTERFACE(IOMX, data, reply); 987 988 node_id node = (node_id)data.readInt32(); 989 const char *parameter_name = data.readCString(); 990 991 OMX_INDEXTYPE index; 992 status_t err = getExtensionIndex(node, parameter_name, &index); 993 994 reply->writeInt32(err); 995 996 if (err == OK) { 997 reply->writeInt32(index); 998 } 999 1000 return OK; 1001 } 1002 1003 default: 1004 return BBinder::onTransact(code, data, reply, flags); 1005 } 1006} 1007 1008//////////////////////////////////////////////////////////////////////////////// 1009 1010class BpOMXObserver : public BpInterface<IOMXObserver> { 1011public: 1012 BpOMXObserver(const sp<IBinder> &impl) 1013 : BpInterface<IOMXObserver>(impl) { 1014 } 1015 1016 virtual void onMessage(const omx_message &msg) { 1017 Parcel data, reply; 1018 data.writeInterfaceToken(IOMXObserver::getInterfaceDescriptor()); 1019 data.write(&msg, sizeof(msg)); 1020 1021 ALOGV("onMessage writing message %d, size %zu", msg.type, sizeof(msg)); 1022 1023 remote()->transact(OBSERVER_ON_MSG, data, &reply, IBinder::FLAG_ONEWAY); 1024 } 1025}; 1026 1027IMPLEMENT_META_INTERFACE(OMXObserver, "android.hardware.IOMXObserver"); 1028 1029status_t BnOMXObserver::onTransact( 1030 uint32_t code, const Parcel &data, Parcel *reply, uint32_t flags) { 1031 switch (code) { 1032 case OBSERVER_ON_MSG: 1033 { 1034 CHECK_OMX_INTERFACE(IOMXObserver, data, reply); 1035 1036 omx_message msg; 1037 data.read(&msg, sizeof(msg)); 1038 1039 ALOGV("onTransact reading message %d, size %zu", msg.type, sizeof(msg)); 1040 1041 // XXX Could use readInplace maybe? 1042 onMessage(msg); 1043 1044 return NO_ERROR; 1045 } 1046 1047 default: 1048 return BBinder::onTransact(code, data, reply, flags); 1049 } 1050} 1051 1052} // namespace android 1053