1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "media/cdm/ppapi/cdm_adapter.h" 6 7 #include "media/cdm/ppapi/cdm_file_io_impl.h" 8 #include "media/cdm/ppapi/cdm_helpers.h" 9 #include "media/cdm/ppapi/cdm_logging.h" 10 #include "media/cdm/ppapi/supported_cdm_versions.h" 11 #include "ppapi/c/ppb_console.h" 12 #include "ppapi/cpp/private/uma_private.h" 13 14 #if defined(CHECK_DOCUMENT_URL) 15 #include "ppapi/cpp/dev/url_util_dev.h" 16 #include "ppapi/cpp/instance_handle.h" 17 #endif // defined(CHECK_DOCUMENT_URL) 18 19 namespace { 20 21 #if !defined(NDEBUG) 22 #define DLOG_TO_CONSOLE(message) LogToConsole(message); 23 #else 24 #define DLOG_TO_CONSOLE(message) (void)(message); 25 #endif 26 27 bool IsMainThread() { 28 return pp::Module::Get()->core()->IsMainThread(); 29 } 30 31 // Posts a task to run |cb| on the main thread. The task is posted even if the 32 // current thread is the main thread. 33 void PostOnMain(pp::CompletionCallback cb) { 34 pp::Module::Get()->core()->CallOnMainThread(0, cb, PP_OK); 35 } 36 37 // Ensures |cb| is called on the main thread, either because the current thread 38 // is the main thread or by posting it to the main thread. 39 void CallOnMain(pp::CompletionCallback cb) { 40 // TODO(tomfinegan): This is only necessary because PPAPI doesn't allow calls 41 // off the main thread yet. Remove this once the change lands. 42 if (IsMainThread()) 43 cb.Run(PP_OK); 44 else 45 PostOnMain(cb); 46 } 47 48 // Configures a cdm::InputBuffer. |subsamples| must exist as long as 49 // |input_buffer| is in use. 50 void ConfigureInputBuffer( 51 const pp::Buffer_Dev& encrypted_buffer, 52 const PP_EncryptedBlockInfo& encrypted_block_info, 53 std::vector<cdm::SubsampleEntry>* subsamples, 54 cdm::InputBuffer* input_buffer) { 55 PP_DCHECK(subsamples); 56 PP_DCHECK(!encrypted_buffer.is_null()); 57 58 input_buffer->data = static_cast<uint8_t*>(encrypted_buffer.data()); 59 input_buffer->data_size = encrypted_block_info.data_size; 60 PP_DCHECK(encrypted_buffer.size() >= input_buffer->data_size); 61 62 PP_DCHECK(encrypted_block_info.key_id_size <= 63 arraysize(encrypted_block_info.key_id)); 64 input_buffer->key_id_size = encrypted_block_info.key_id_size; 65 input_buffer->key_id = input_buffer->key_id_size > 0 ? 66 encrypted_block_info.key_id : NULL; 67 68 PP_DCHECK(encrypted_block_info.iv_size <= arraysize(encrypted_block_info.iv)); 69 input_buffer->iv_size = encrypted_block_info.iv_size; 70 input_buffer->iv = encrypted_block_info.iv_size > 0 ? 71 encrypted_block_info.iv : NULL; 72 73 input_buffer->num_subsamples = encrypted_block_info.num_subsamples; 74 if (encrypted_block_info.num_subsamples > 0) { 75 subsamples->reserve(encrypted_block_info.num_subsamples); 76 77 for (uint32_t i = 0; i < encrypted_block_info.num_subsamples; ++i) { 78 subsamples->push_back(cdm::SubsampleEntry( 79 encrypted_block_info.subsamples[i].clear_bytes, 80 encrypted_block_info.subsamples[i].cipher_bytes)); 81 } 82 83 input_buffer->subsamples = &(*subsamples)[0]; 84 } 85 86 input_buffer->timestamp = encrypted_block_info.tracking_info.timestamp; 87 } 88 89 PP_DecryptResult CdmStatusToPpDecryptResult(cdm::Status status) { 90 switch (status) { 91 case cdm::kSuccess: 92 return PP_DECRYPTRESULT_SUCCESS; 93 case cdm::kNoKey: 94 return PP_DECRYPTRESULT_DECRYPT_NOKEY; 95 case cdm::kNeedMoreData: 96 return PP_DECRYPTRESULT_NEEDMOREDATA; 97 case cdm::kDecryptError: 98 return PP_DECRYPTRESULT_DECRYPT_ERROR; 99 case cdm::kDecodeError: 100 return PP_DECRYPTRESULT_DECODE_ERROR; 101 default: 102 PP_NOTREACHED(); 103 return PP_DECRYPTRESULT_DECODE_ERROR; 104 } 105 } 106 107 PP_DecryptedFrameFormat CdmVideoFormatToPpDecryptedFrameFormat( 108 cdm::VideoFormat format) { 109 switch (format) { 110 case cdm::kYv12: 111 return PP_DECRYPTEDFRAMEFORMAT_YV12; 112 case cdm::kI420: 113 return PP_DECRYPTEDFRAMEFORMAT_I420; 114 default: 115 return PP_DECRYPTEDFRAMEFORMAT_UNKNOWN; 116 } 117 } 118 119 PP_DecryptedSampleFormat CdmAudioFormatToPpDecryptedSampleFormat( 120 cdm::AudioFormat format) { 121 switch (format) { 122 case cdm::kAudioFormatU8: 123 return PP_DECRYPTEDSAMPLEFORMAT_U8; 124 case cdm::kAudioFormatS16: 125 return PP_DECRYPTEDSAMPLEFORMAT_S16; 126 case cdm::kAudioFormatS32: 127 return PP_DECRYPTEDSAMPLEFORMAT_S32; 128 case cdm::kAudioFormatF32: 129 return PP_DECRYPTEDSAMPLEFORMAT_F32; 130 case cdm::kAudioFormatPlanarS16: 131 return PP_DECRYPTEDSAMPLEFORMAT_PLANAR_S16; 132 case cdm::kAudioFormatPlanarF32: 133 return PP_DECRYPTEDSAMPLEFORMAT_PLANAR_F32; 134 default: 135 return PP_DECRYPTEDSAMPLEFORMAT_UNKNOWN; 136 } 137 } 138 139 cdm::AudioDecoderConfig::AudioCodec PpAudioCodecToCdmAudioCodec( 140 PP_AudioCodec codec) { 141 switch (codec) { 142 case PP_AUDIOCODEC_VORBIS: 143 return cdm::AudioDecoderConfig::kCodecVorbis; 144 case PP_AUDIOCODEC_AAC: 145 return cdm::AudioDecoderConfig::kCodecAac; 146 default: 147 return cdm::AudioDecoderConfig::kUnknownAudioCodec; 148 } 149 } 150 151 cdm::VideoDecoderConfig::VideoCodec PpVideoCodecToCdmVideoCodec( 152 PP_VideoCodec codec) { 153 switch (codec) { 154 case PP_VIDEOCODEC_VP8: 155 return cdm::VideoDecoderConfig::kCodecVp8; 156 case PP_VIDEOCODEC_H264: 157 return cdm::VideoDecoderConfig::kCodecH264; 158 case PP_VIDEOCODEC_VP9: 159 return cdm::VideoDecoderConfig::kCodecVp9; 160 default: 161 return cdm::VideoDecoderConfig::kUnknownVideoCodec; 162 } 163 } 164 165 cdm::VideoDecoderConfig::VideoCodecProfile PpVCProfileToCdmVCProfile( 166 PP_VideoCodecProfile profile) { 167 switch (profile) { 168 case PP_VIDEOCODECPROFILE_NOT_NEEDED: 169 return cdm::VideoDecoderConfig::kProfileNotNeeded; 170 case PP_VIDEOCODECPROFILE_H264_BASELINE: 171 return cdm::VideoDecoderConfig::kH264ProfileBaseline; 172 case PP_VIDEOCODECPROFILE_H264_MAIN: 173 return cdm::VideoDecoderConfig::kH264ProfileMain; 174 case PP_VIDEOCODECPROFILE_H264_EXTENDED: 175 return cdm::VideoDecoderConfig::kH264ProfileExtended; 176 case PP_VIDEOCODECPROFILE_H264_HIGH: 177 return cdm::VideoDecoderConfig::kH264ProfileHigh; 178 case PP_VIDEOCODECPROFILE_H264_HIGH_10: 179 return cdm::VideoDecoderConfig::kH264ProfileHigh10; 180 case PP_VIDEOCODECPROFILE_H264_HIGH_422: 181 return cdm::VideoDecoderConfig::kH264ProfileHigh422; 182 case PP_VIDEOCODECPROFILE_H264_HIGH_444_PREDICTIVE: 183 return cdm::VideoDecoderConfig::kH264ProfileHigh444Predictive; 184 default: 185 return cdm::VideoDecoderConfig::kUnknownVideoCodecProfile; 186 } 187 } 188 189 cdm::VideoFormat PpDecryptedFrameFormatToCdmVideoFormat( 190 PP_DecryptedFrameFormat format) { 191 switch (format) { 192 case PP_DECRYPTEDFRAMEFORMAT_YV12: 193 return cdm::kYv12; 194 case PP_DECRYPTEDFRAMEFORMAT_I420: 195 return cdm::kI420; 196 default: 197 return cdm::kUnknownVideoFormat; 198 } 199 } 200 201 cdm::StreamType PpDecryptorStreamTypeToCdmStreamType( 202 PP_DecryptorStreamType stream_type) { 203 switch (stream_type) { 204 case PP_DECRYPTORSTREAMTYPE_AUDIO: 205 return cdm::kStreamTypeAudio; 206 case PP_DECRYPTORSTREAMTYPE_VIDEO: 207 return cdm::kStreamTypeVideo; 208 } 209 210 PP_NOTREACHED(); 211 return cdm::kStreamTypeVideo; 212 } 213 214 cdm::SessionType PpSessionTypeToCdmSessionType(PP_SessionType session_type) { 215 switch (session_type) { 216 case PP_SESSIONTYPE_TEMPORARY: 217 return cdm::kTemporary; 218 case PP_SESSIONTYPE_PERSISTENT: 219 return cdm::kPersistent; 220 default: 221 PP_NOTREACHED(); 222 return cdm::kTemporary; 223 } 224 } 225 226 PP_CdmExceptionCode CdmExceptionTypeToPpCdmExceptionType(cdm::Error error) { 227 switch (error) { 228 case cdm::kNotSupportedError: 229 return PP_CDMEXCEPTIONCODE_NOTSUPPORTEDERROR; 230 case cdm::kInvalidStateError: 231 return PP_CDMEXCEPTIONCODE_INVALIDSTATEERROR; 232 case cdm::kInvalidAccessError: 233 return PP_CDMEXCEPTIONCODE_INVALIDACCESSERROR; 234 case cdm::kQuotaExceededError: 235 return PP_CDMEXCEPTIONCODE_QUOTAEXCEEDEDERROR; 236 case cdm::kUnknownError: 237 return PP_CDMEXCEPTIONCODE_UNKNOWNERROR; 238 case cdm::kClientError: 239 return PP_CDMEXCEPTIONCODE_CLIENTERROR; 240 case cdm::kOutputError: 241 return PP_CDMEXCEPTIONCODE_OUTPUTERROR; 242 default: 243 PP_NOTREACHED(); 244 return PP_CDMEXCEPTIONCODE_UNKNOWNERROR; 245 } 246 } 247 248 } // namespace 249 250 namespace media { 251 252 CdmAdapter::CdmAdapter(PP_Instance instance, pp::Module* module) 253 : pp::Instance(instance), 254 pp::ContentDecryptor_Private(this), 255 #if defined(OS_CHROMEOS) 256 output_protection_(this), 257 platform_verification_(this), 258 challenge_in_progress_(false), 259 output_link_mask_(0), 260 output_protection_mask_(0), 261 query_output_protection_in_progress_(false), 262 uma_for_output_protection_query_reported_(false), 263 uma_for_output_protection_positive_result_reported_(false), 264 #endif 265 allocator_(this), 266 cdm_(NULL), 267 deferred_initialize_audio_decoder_(false), 268 deferred_audio_decoder_config_id_(0), 269 deferred_initialize_video_decoder_(false), 270 deferred_video_decoder_config_id_(0) { 271 callback_factory_.Initialize(this); 272 } 273 274 CdmAdapter::~CdmAdapter() {} 275 276 bool CdmAdapter::CreateCdmInstance(const std::string& key_system) { 277 PP_DCHECK(!cdm_); 278 cdm_ = make_linked_ptr(CdmWrapper::Create( 279 key_system.data(), key_system.size(), GetCdmHost, this)); 280 bool success = cdm_ != NULL; 281 282 const std::string message = "CDM instance for " + key_system + 283 (success ? "" : " could not be") + " created."; 284 DLOG_TO_CONSOLE(message); 285 CDM_DLOG() << message; 286 287 return success; 288 } 289 290 // No errors should be reported in this function because the spec says: 291 // "Store this new error object internally with the MediaKeys instance being 292 // created. This will be used to fire an error against any session created for 293 // this instance." These errors will be reported during session creation 294 // (CreateSession()) or session loading (LoadSession()). 295 // TODO(xhwang): If necessary, we need to store the error here if we want to 296 // support more specific error reporting (other than "Unknown"). 297 void CdmAdapter::Initialize(const std::string& key_system) { 298 PP_DCHECK(!key_system.empty()); 299 PP_DCHECK(key_system_.empty() || (key_system_ == key_system && cdm_)); 300 301 #if defined(CHECK_DOCUMENT_URL) 302 PP_URLComponents_Dev url_components = {}; 303 const pp::URLUtil_Dev* url_util = pp::URLUtil_Dev::Get(); 304 if (!url_util) 305 return; 306 pp::Var href = url_util->GetDocumentURL(pp::InstanceHandle(pp_instance()), 307 &url_components); 308 PP_DCHECK(href.is_string()); 309 std::string url = href.AsString(); 310 PP_DCHECK(!url.empty()); 311 std::string url_scheme = 312 url.substr(url_components.scheme.begin, url_components.scheme.len); 313 if (url_scheme != "file") { 314 // Skip this check for file:// URLs as they don't have a host component. 315 PP_DCHECK(url_components.host.begin); 316 PP_DCHECK(0 < url_components.host.len); 317 } 318 #endif // defined(CHECK_DOCUMENT_URL) 319 320 if (!cdm_ && !CreateCdmInstance(key_system)) 321 return; 322 323 PP_DCHECK(cdm_); 324 key_system_ = key_system; 325 } 326 327 void CdmAdapter::CreateSession(uint32_t promise_id, 328 const std::string& init_data_type, 329 pp::VarArrayBuffer init_data, 330 PP_SessionType session_type) { 331 // Initialize() doesn't report an error, so CreateSession() can be called 332 // even if Initialize() failed. 333 // TODO(jrummell): Remove this code when prefixed EME gets removed. 334 // TODO(jrummell): Verify that Initialize() failing does not resolve the 335 // MediaKeys.create() promise. 336 if (!cdm_) { 337 RejectPromise(promise_id, 338 cdm::kInvalidStateError, 339 0, 340 "CDM has not been initialized."); 341 return; 342 } 343 344 cdm_->CreateSession(promise_id, 345 init_data_type.data(), 346 init_data_type.size(), 347 static_cast<const uint8_t*>(init_data.Map()), 348 init_data.ByteLength(), 349 PpSessionTypeToCdmSessionType(session_type)); 350 } 351 352 void CdmAdapter::LoadSession(uint32_t promise_id, 353 const std::string& web_session_id) { 354 // Initialize() doesn't report an error, so LoadSession() can be called 355 // even if Initialize() failed. 356 // TODO(jrummell): Remove this code when prefixed EME gets removed. 357 // TODO(jrummell): Verify that Initialize() failing does not resolve the 358 // MediaKeys.create() promise. 359 if (!cdm_) { 360 RejectPromise(promise_id, 361 cdm::kInvalidStateError, 362 0, 363 "CDM has not been initialized."); 364 return; 365 } 366 367 cdm_->LoadSession(promise_id, web_session_id.data(), web_session_id.size()); 368 } 369 370 void CdmAdapter::UpdateSession(uint32_t promise_id, 371 const std::string& web_session_id, 372 pp::VarArrayBuffer response) { 373 const uint8_t* response_ptr = static_cast<const uint8_t*>(response.Map()); 374 const uint32_t response_size = response.ByteLength(); 375 376 PP_DCHECK(!web_session_id.empty()); 377 PP_DCHECK(response_ptr); 378 PP_DCHECK(response_size > 0); 379 380 cdm_->UpdateSession(promise_id, 381 web_session_id.data(), 382 web_session_id.length(), 383 response_ptr, 384 response_size); 385 } 386 387 void CdmAdapter::ReleaseSession(uint32_t promise_id, 388 const std::string& web_session_id) { 389 cdm_->ReleaseSession( 390 promise_id, web_session_id.data(), web_session_id.length()); 391 } 392 393 // Note: In the following decryption/decoding related functions, errors are NOT 394 // reported via KeyError, but are reported via corresponding PPB calls. 395 396 void CdmAdapter::Decrypt(pp::Buffer_Dev encrypted_buffer, 397 const PP_EncryptedBlockInfo& encrypted_block_info) { 398 PP_DCHECK(!encrypted_buffer.is_null()); 399 400 // Release a buffer that the caller indicated it is finished with. 401 allocator_.Release(encrypted_block_info.tracking_info.buffer_id); 402 403 cdm::Status status = cdm::kDecryptError; 404 LinkedDecryptedBlock decrypted_block(new DecryptedBlockImpl()); 405 406 if (cdm_) { 407 cdm::InputBuffer input_buffer; 408 std::vector<cdm::SubsampleEntry> subsamples; 409 ConfigureInputBuffer(encrypted_buffer, encrypted_block_info, &subsamples, 410 &input_buffer); 411 status = cdm_->Decrypt(input_buffer, decrypted_block.get()); 412 PP_DCHECK(status != cdm::kSuccess || 413 (decrypted_block->DecryptedBuffer() && 414 decrypted_block->DecryptedBuffer()->Size())); 415 } 416 417 CallOnMain(callback_factory_.NewCallback( 418 &CdmAdapter::DeliverBlock, 419 status, 420 decrypted_block, 421 encrypted_block_info.tracking_info)); 422 } 423 424 void CdmAdapter::InitializeAudioDecoder( 425 const PP_AudioDecoderConfig& decoder_config, 426 pp::Buffer_Dev extra_data_buffer) { 427 PP_DCHECK(!deferred_initialize_audio_decoder_); 428 PP_DCHECK(deferred_audio_decoder_config_id_ == 0); 429 cdm::Status status = cdm::kSessionError; 430 if (cdm_) { 431 cdm::AudioDecoderConfig cdm_decoder_config; 432 cdm_decoder_config.codec = 433 PpAudioCodecToCdmAudioCodec(decoder_config.codec); 434 cdm_decoder_config.channel_count = decoder_config.channel_count; 435 cdm_decoder_config.bits_per_channel = decoder_config.bits_per_channel; 436 cdm_decoder_config.samples_per_second = decoder_config.samples_per_second; 437 cdm_decoder_config.extra_data = 438 static_cast<uint8_t*>(extra_data_buffer.data()); 439 cdm_decoder_config.extra_data_size = extra_data_buffer.size(); 440 status = cdm_->InitializeAudioDecoder(cdm_decoder_config); 441 } 442 443 if (status == cdm::kDeferredInitialization) { 444 deferred_initialize_audio_decoder_ = true; 445 deferred_audio_decoder_config_id_ = decoder_config.request_id; 446 return; 447 } 448 449 CallOnMain(callback_factory_.NewCallback( 450 &CdmAdapter::DecoderInitializeDone, 451 PP_DECRYPTORSTREAMTYPE_AUDIO, 452 decoder_config.request_id, 453 status == cdm::kSuccess)); 454 } 455 456 void CdmAdapter::InitializeVideoDecoder( 457 const PP_VideoDecoderConfig& decoder_config, 458 pp::Buffer_Dev extra_data_buffer) { 459 PP_DCHECK(!deferred_initialize_video_decoder_); 460 PP_DCHECK(deferred_video_decoder_config_id_ == 0); 461 cdm::Status status = cdm::kSessionError; 462 if (cdm_) { 463 cdm::VideoDecoderConfig cdm_decoder_config; 464 cdm_decoder_config.codec = 465 PpVideoCodecToCdmVideoCodec(decoder_config.codec); 466 cdm_decoder_config.profile = 467 PpVCProfileToCdmVCProfile(decoder_config.profile); 468 cdm_decoder_config.format = 469 PpDecryptedFrameFormatToCdmVideoFormat(decoder_config.format); 470 cdm_decoder_config.coded_size.width = decoder_config.width; 471 cdm_decoder_config.coded_size.height = decoder_config.height; 472 cdm_decoder_config.extra_data = 473 static_cast<uint8_t*>(extra_data_buffer.data()); 474 cdm_decoder_config.extra_data_size = extra_data_buffer.size(); 475 status = cdm_->InitializeVideoDecoder(cdm_decoder_config); 476 } 477 478 if (status == cdm::kDeferredInitialization) { 479 deferred_initialize_video_decoder_ = true; 480 deferred_video_decoder_config_id_ = decoder_config.request_id; 481 return; 482 } 483 484 CallOnMain(callback_factory_.NewCallback( 485 &CdmAdapter::DecoderInitializeDone, 486 PP_DECRYPTORSTREAMTYPE_VIDEO, 487 decoder_config.request_id, 488 status == cdm::kSuccess)); 489 } 490 491 void CdmAdapter::DeinitializeDecoder(PP_DecryptorStreamType decoder_type, 492 uint32_t request_id) { 493 PP_DCHECK(cdm_); // InitializeXxxxxDecoder should have succeeded. 494 if (cdm_) { 495 cdm_->DeinitializeDecoder( 496 PpDecryptorStreamTypeToCdmStreamType(decoder_type)); 497 } 498 499 CallOnMain(callback_factory_.NewCallback( 500 &CdmAdapter::DecoderDeinitializeDone, 501 decoder_type, 502 request_id)); 503 } 504 505 void CdmAdapter::ResetDecoder(PP_DecryptorStreamType decoder_type, 506 uint32_t request_id) { 507 PP_DCHECK(cdm_); // InitializeXxxxxDecoder should have succeeded. 508 if (cdm_) 509 cdm_->ResetDecoder(PpDecryptorStreamTypeToCdmStreamType(decoder_type)); 510 511 CallOnMain(callback_factory_.NewCallback(&CdmAdapter::DecoderResetDone, 512 decoder_type, 513 request_id)); 514 } 515 516 void CdmAdapter::DecryptAndDecode( 517 PP_DecryptorStreamType decoder_type, 518 pp::Buffer_Dev encrypted_buffer, 519 const PP_EncryptedBlockInfo& encrypted_block_info) { 520 PP_DCHECK(cdm_); // InitializeXxxxxDecoder should have succeeded. 521 // Release a buffer that the caller indicated it is finished with. 522 allocator_.Release(encrypted_block_info.tracking_info.buffer_id); 523 524 cdm::InputBuffer input_buffer; 525 std::vector<cdm::SubsampleEntry> subsamples; 526 if (cdm_ && !encrypted_buffer.is_null()) { 527 ConfigureInputBuffer(encrypted_buffer, 528 encrypted_block_info, 529 &subsamples, 530 &input_buffer); 531 } 532 533 cdm::Status status = cdm::kDecodeError; 534 535 switch (decoder_type) { 536 case PP_DECRYPTORSTREAMTYPE_VIDEO: { 537 LinkedVideoFrame video_frame(new VideoFrameImpl()); 538 if (cdm_) 539 status = cdm_->DecryptAndDecodeFrame(input_buffer, video_frame.get()); 540 CallOnMain(callback_factory_.NewCallback( 541 &CdmAdapter::DeliverFrame, 542 status, 543 video_frame, 544 encrypted_block_info.tracking_info)); 545 return; 546 } 547 548 case PP_DECRYPTORSTREAMTYPE_AUDIO: { 549 LinkedAudioFrames audio_frames(new AudioFramesImpl()); 550 if (cdm_) { 551 status = cdm_->DecryptAndDecodeSamples(input_buffer, 552 audio_frames.get()); 553 } 554 CallOnMain(callback_factory_.NewCallback( 555 &CdmAdapter::DeliverSamples, 556 status, 557 audio_frames, 558 encrypted_block_info.tracking_info)); 559 return; 560 } 561 562 default: 563 PP_NOTREACHED(); 564 return; 565 } 566 } 567 568 cdm::Buffer* CdmAdapter::Allocate(uint32_t capacity) { 569 return allocator_.Allocate(capacity); 570 } 571 572 void CdmAdapter::SetTimer(int64_t delay_ms, void* context) { 573 // NOTE: doesn't really need to run on the main thread; could just as well run 574 // on a helper thread if |cdm_| were thread-friendly and care was taken. We 575 // only use CallOnMainThread() here to get delayed-execution behavior. 576 pp::Module::Get()->core()->CallOnMainThread( 577 delay_ms, 578 callback_factory_.NewCallback(&CdmAdapter::TimerExpired, context), 579 PP_OK); 580 } 581 582 void CdmAdapter::TimerExpired(int32_t result, void* context) { 583 PP_DCHECK(result == PP_OK); 584 cdm_->TimerExpired(context); 585 } 586 587 // cdm::Host_4 methods 588 589 double CdmAdapter::GetCurrentWallTimeInSeconds() { 590 return GetCurrentTime(); 591 } 592 593 void CdmAdapter::OnSessionCreated(uint32_t session_id, 594 const char* web_session_id, 595 uint32_t web_session_id_length) { 596 uint32_t promise_id = cdm_->LookupPromiseId(session_id); 597 cdm_->AssignWebSessionId(session_id, web_session_id, web_session_id_length); 598 OnResolveNewSessionPromise(promise_id, web_session_id, web_session_id_length); 599 } 600 601 void CdmAdapter::OnSessionMessage(uint32_t session_id, 602 const char* message, 603 uint32_t message_length, 604 const char* destination_url, 605 uint32_t destination_url_length) { 606 std::string web_session_id = cdm_->LookupWebSessionId(session_id); 607 OnSessionMessage(web_session_id.data(), 608 web_session_id.length(), 609 message, 610 message_length, 611 destination_url, 612 destination_url_length); 613 } 614 615 void CdmAdapter::OnSessionReady(uint32_t session_id) { 616 uint32_t promise_id = cdm_->LookupPromiseId(session_id); 617 if (promise_id) { 618 OnResolvePromise(promise_id); 619 } else { 620 std::string web_session_id = cdm_->LookupWebSessionId(session_id); 621 OnSessionReady(web_session_id.data(), web_session_id.length()); 622 } 623 } 624 625 void CdmAdapter::OnSessionClosed(uint32_t session_id) { 626 uint32_t promise_id = cdm_->LookupPromiseId(session_id); 627 std::string web_session_id = cdm_->LookupWebSessionId(session_id); 628 cdm_->DropWebSessionId(web_session_id); 629 if (promise_id) { 630 OnResolvePromise(promise_id); 631 } else { 632 OnSessionClosed(web_session_id.data(), web_session_id.length()); 633 } 634 } 635 636 void CdmAdapter::OnSessionError(uint32_t session_id, 637 cdm::MediaKeyError error_code, 638 uint32_t system_code) { 639 uint32_t promise_id = cdm_->LookupPromiseId(session_id); 640 641 // Existing cdm::MediaKeyError don't map to DOM error names. Convert them 642 // into non-standard names so that the prefixed API can extract them. 643 // TODO(jrummell): Remove this conversion and the inverse when CDM4 is gone. 644 cdm::Error error; 645 switch (error_code) { 646 case cdm::kPrefixedClientError: 647 error = cdm::kClientError; 648 break; 649 case cdm::kPrefixedOutputError: 650 error = cdm::kOutputError; 651 break; 652 case cdm::kPrefixedUnknownError: 653 default: 654 error = cdm::kUnknownError; 655 break; 656 } 657 658 if (promise_id) { 659 RejectPromise(promise_id, error, system_code, std::string()); 660 } else { 661 std::string web_session_id = cdm_->LookupWebSessionId(session_id); 662 OnSessionError(web_session_id.data(), 663 web_session_id.length(), 664 error, 665 system_code, 666 NULL, 667 0); 668 } 669 } 670 671 // cdm::Host_5 methods 672 673 cdm::Time CdmAdapter::GetCurrentTime() { 674 return pp::Module::Get()->core()->GetTime(); 675 } 676 677 void CdmAdapter::OnResolvePromise(uint32_t promise_id) { 678 PostOnMain(callback_factory_.NewCallback( 679 &CdmAdapter::SendPromiseResolvedInternal, promise_id)); 680 } 681 682 void CdmAdapter::OnResolveNewSessionPromise(uint32_t promise_id, 683 const char* web_session_id, 684 uint32_t web_session_id_length) { 685 PostOnMain(callback_factory_.NewCallback( 686 &CdmAdapter::SendPromiseResolvedWithSessionInternal, 687 promise_id, 688 std::string(web_session_id, web_session_id_length))); 689 } 690 691 void CdmAdapter::OnRejectPromise(uint32_t promise_id, 692 cdm::Error error, 693 uint32_t system_code, 694 const char* error_message, 695 uint32_t error_message_length) { 696 RejectPromise(promise_id, 697 error, 698 system_code, 699 std::string(error_message, error_message_length)); 700 } 701 702 void CdmAdapter::RejectPromise(uint32_t promise_id, 703 cdm::Error error, 704 uint32_t system_code, 705 const std::string& error_message) { 706 PostOnMain(callback_factory_.NewCallback( 707 &CdmAdapter::SendPromiseRejectedInternal, 708 promise_id, 709 SessionError(error, system_code, error_message))); 710 } 711 712 void CdmAdapter::OnSessionMessage(const char* web_session_id, 713 uint32_t web_session_id_length, 714 const char* message, 715 uint32_t message_length, 716 const char* destination_url, 717 uint32_t destination_url_length) { 718 PostOnMain(callback_factory_.NewCallback( 719 &CdmAdapter::SendSessionMessageInternal, 720 std::string(web_session_id, web_session_id_length), 721 std::vector<uint8>(message, message + message_length), 722 std::string(destination_url, destination_url_length))); 723 } 724 725 void CdmAdapter::OnSessionKeysChange(const char* web_session_id, 726 uint32_t web_session_id_length, 727 bool has_additional_usable_key) { 728 // TODO(jrummell): Implement this event in subsequent CL 729 // (http://crbug.com/370251). 730 PP_NOTREACHED(); 731 } 732 733 void CdmAdapter::OnExpirationChange(const char* web_session_id, 734 uint32_t web_session_id_length, 735 cdm::Time new_expiry_time) { 736 // TODO(jrummell): Implement this event in subsequent CL 737 // (http://crbug.com/370251). 738 PP_NOTREACHED(); 739 } 740 741 void CdmAdapter::OnSessionReady(const char* web_session_id, 742 uint32_t web_session_id_length) { 743 PostOnMain(callback_factory_.NewCallback( 744 &CdmAdapter::SendSessionReadyInternal, 745 std::string(web_session_id, web_session_id_length))); 746 } 747 748 void CdmAdapter::OnSessionClosed(const char* web_session_id, 749 uint32_t web_session_id_length) { 750 PostOnMain(callback_factory_.NewCallback( 751 &CdmAdapter::SendSessionClosedInternal, 752 std::string(web_session_id, web_session_id_length))); 753 } 754 755 void CdmAdapter::OnSessionError(const char* web_session_id, 756 uint32_t web_session_id_length, 757 cdm::Error error, 758 uint32_t system_code, 759 const char* error_message, 760 uint32_t error_message_length) { 761 PostOnMain(callback_factory_.NewCallback( 762 &CdmAdapter::SendSessionErrorInternal, 763 std::string(web_session_id, web_session_id_length), 764 SessionError(error, 765 system_code, 766 std::string(error_message, error_message_length)))); 767 } 768 769 // Helpers to pass the event to Pepper. 770 771 void CdmAdapter::SendPromiseResolvedInternal(int32_t result, 772 uint32_t promise_id) { 773 PP_DCHECK(result == PP_OK); 774 pp::ContentDecryptor_Private::PromiseResolved(promise_id); 775 } 776 777 void CdmAdapter::SendPromiseResolvedWithSessionInternal( 778 int32_t result, 779 uint32_t promise_id, 780 const std::string& web_session_id) { 781 PP_DCHECK(result == PP_OK); 782 pp::ContentDecryptor_Private::PromiseResolvedWithSession(promise_id, 783 web_session_id); 784 } 785 786 void CdmAdapter::SendPromiseRejectedInternal(int32_t result, 787 uint32_t promise_id, 788 const SessionError& error) { 789 PP_DCHECK(result == PP_OK); 790 pp::ContentDecryptor_Private::PromiseRejected( 791 promise_id, 792 CdmExceptionTypeToPpCdmExceptionType(error.error), 793 error.system_code, 794 error.error_description); 795 } 796 797 void CdmAdapter::SendSessionMessageInternal( 798 int32_t result, 799 const std::string& web_session_id, 800 const std::vector<uint8>& message, 801 const std::string& destination_url) { 802 PP_DCHECK(result == PP_OK); 803 804 pp::VarArrayBuffer message_array_buffer(message.size()); 805 if (message.size() > 0) { 806 memcpy(message_array_buffer.Map(), message.data(), message.size()); 807 } 808 809 pp::ContentDecryptor_Private::SessionMessage( 810 web_session_id, message_array_buffer, destination_url); 811 } 812 813 void CdmAdapter::SendSessionReadyInternal(int32_t result, 814 const std::string& web_session_id) { 815 PP_DCHECK(result == PP_OK); 816 pp::ContentDecryptor_Private::SessionReady(web_session_id); 817 } 818 819 void CdmAdapter::SendSessionClosedInternal(int32_t result, 820 const std::string& web_session_id) { 821 PP_DCHECK(result == PP_OK); 822 pp::ContentDecryptor_Private::SessionClosed(web_session_id); 823 } 824 825 void CdmAdapter::SendSessionErrorInternal(int32_t result, 826 const std::string& web_session_id, 827 const SessionError& error) { 828 PP_DCHECK(result == PP_OK); 829 pp::ContentDecryptor_Private::SessionError( 830 web_session_id, 831 CdmExceptionTypeToPpCdmExceptionType(error.error), 832 error.system_code, 833 error.error_description); 834 } 835 836 void CdmAdapter::DeliverBlock(int32_t result, 837 const cdm::Status& status, 838 const LinkedDecryptedBlock& decrypted_block, 839 const PP_DecryptTrackingInfo& tracking_info) { 840 PP_DCHECK(result == PP_OK); 841 PP_DecryptedBlockInfo decrypted_block_info = {}; 842 decrypted_block_info.tracking_info = tracking_info; 843 decrypted_block_info.tracking_info.timestamp = decrypted_block->Timestamp(); 844 decrypted_block_info.tracking_info.buffer_id = 0; 845 decrypted_block_info.data_size = 0; 846 decrypted_block_info.result = CdmStatusToPpDecryptResult(status); 847 848 pp::Buffer_Dev buffer; 849 850 if (decrypted_block_info.result == PP_DECRYPTRESULT_SUCCESS) { 851 PP_DCHECK(decrypted_block.get() && decrypted_block->DecryptedBuffer()); 852 if (!decrypted_block.get() || !decrypted_block->DecryptedBuffer()) { 853 PP_NOTREACHED(); 854 decrypted_block_info.result = PP_DECRYPTRESULT_DECRYPT_ERROR; 855 } else { 856 PpbBuffer* ppb_buffer = 857 static_cast<PpbBuffer*>(decrypted_block->DecryptedBuffer()); 858 decrypted_block_info.tracking_info.buffer_id = ppb_buffer->buffer_id(); 859 decrypted_block_info.data_size = ppb_buffer->Size(); 860 861 buffer = ppb_buffer->TakeBuffer(); 862 } 863 } 864 865 pp::ContentDecryptor_Private::DeliverBlock(buffer, decrypted_block_info); 866 } 867 868 void CdmAdapter::DecoderInitializeDone(int32_t result, 869 PP_DecryptorStreamType decoder_type, 870 uint32_t request_id, 871 bool success) { 872 PP_DCHECK(result == PP_OK); 873 pp::ContentDecryptor_Private::DecoderInitializeDone(decoder_type, 874 request_id, 875 success); 876 } 877 878 void CdmAdapter::DecoderDeinitializeDone(int32_t result, 879 PP_DecryptorStreamType decoder_type, 880 uint32_t request_id) { 881 pp::ContentDecryptor_Private::DecoderDeinitializeDone(decoder_type, 882 request_id); 883 } 884 885 void CdmAdapter::DecoderResetDone(int32_t result, 886 PP_DecryptorStreamType decoder_type, 887 uint32_t request_id) { 888 pp::ContentDecryptor_Private::DecoderResetDone(decoder_type, request_id); 889 } 890 891 void CdmAdapter::DeliverFrame( 892 int32_t result, 893 const cdm::Status& status, 894 const LinkedVideoFrame& video_frame, 895 const PP_DecryptTrackingInfo& tracking_info) { 896 PP_DCHECK(result == PP_OK); 897 PP_DecryptedFrameInfo decrypted_frame_info = {}; 898 decrypted_frame_info.tracking_info.request_id = tracking_info.request_id; 899 decrypted_frame_info.tracking_info.buffer_id = 0; 900 decrypted_frame_info.result = CdmStatusToPpDecryptResult(status); 901 902 pp::Buffer_Dev buffer; 903 904 if (decrypted_frame_info.result == PP_DECRYPTRESULT_SUCCESS) { 905 if (!IsValidVideoFrame(video_frame)) { 906 PP_NOTREACHED(); 907 decrypted_frame_info.result = PP_DECRYPTRESULT_DECODE_ERROR; 908 } else { 909 PpbBuffer* ppb_buffer = 910 static_cast<PpbBuffer*>(video_frame->FrameBuffer()); 911 912 decrypted_frame_info.tracking_info.timestamp = video_frame->Timestamp(); 913 decrypted_frame_info.tracking_info.buffer_id = ppb_buffer->buffer_id(); 914 decrypted_frame_info.format = 915 CdmVideoFormatToPpDecryptedFrameFormat(video_frame->Format()); 916 decrypted_frame_info.width = video_frame->Size().width; 917 decrypted_frame_info.height = video_frame->Size().height; 918 decrypted_frame_info.plane_offsets[PP_DECRYPTEDFRAMEPLANES_Y] = 919 video_frame->PlaneOffset(cdm::VideoFrame::kYPlane); 920 decrypted_frame_info.plane_offsets[PP_DECRYPTEDFRAMEPLANES_U] = 921 video_frame->PlaneOffset(cdm::VideoFrame::kUPlane); 922 decrypted_frame_info.plane_offsets[PP_DECRYPTEDFRAMEPLANES_V] = 923 video_frame->PlaneOffset(cdm::VideoFrame::kVPlane); 924 decrypted_frame_info.strides[PP_DECRYPTEDFRAMEPLANES_Y] = 925 video_frame->Stride(cdm::VideoFrame::kYPlane); 926 decrypted_frame_info.strides[PP_DECRYPTEDFRAMEPLANES_U] = 927 video_frame->Stride(cdm::VideoFrame::kUPlane); 928 decrypted_frame_info.strides[PP_DECRYPTEDFRAMEPLANES_V] = 929 video_frame->Stride(cdm::VideoFrame::kVPlane); 930 931 buffer = ppb_buffer->TakeBuffer(); 932 } 933 } 934 935 pp::ContentDecryptor_Private::DeliverFrame(buffer, decrypted_frame_info); 936 } 937 938 void CdmAdapter::DeliverSamples(int32_t result, 939 const cdm::Status& status, 940 const LinkedAudioFrames& audio_frames, 941 const PP_DecryptTrackingInfo& tracking_info) { 942 PP_DCHECK(result == PP_OK); 943 944 PP_DecryptedSampleInfo decrypted_sample_info = {}; 945 decrypted_sample_info.tracking_info = tracking_info; 946 decrypted_sample_info.tracking_info.timestamp = 0; 947 decrypted_sample_info.tracking_info.buffer_id = 0; 948 decrypted_sample_info.data_size = 0; 949 decrypted_sample_info.result = CdmStatusToPpDecryptResult(status); 950 951 pp::Buffer_Dev buffer; 952 953 if (decrypted_sample_info.result == PP_DECRYPTRESULT_SUCCESS) { 954 PP_DCHECK(audio_frames.get() && audio_frames->FrameBuffer()); 955 if (!audio_frames.get() || !audio_frames->FrameBuffer()) { 956 PP_NOTREACHED(); 957 decrypted_sample_info.result = PP_DECRYPTRESULT_DECRYPT_ERROR; 958 } else { 959 PpbBuffer* ppb_buffer = 960 static_cast<PpbBuffer*>(audio_frames->FrameBuffer()); 961 962 decrypted_sample_info.tracking_info.buffer_id = ppb_buffer->buffer_id(); 963 decrypted_sample_info.data_size = ppb_buffer->Size(); 964 decrypted_sample_info.format = 965 CdmAudioFormatToPpDecryptedSampleFormat(audio_frames->Format()); 966 967 buffer = ppb_buffer->TakeBuffer(); 968 } 969 } 970 971 pp::ContentDecryptor_Private::DeliverSamples(buffer, decrypted_sample_info); 972 } 973 974 bool CdmAdapter::IsValidVideoFrame(const LinkedVideoFrame& video_frame) { 975 if (!video_frame.get() || 976 !video_frame->FrameBuffer() || 977 (video_frame->Format() != cdm::kI420 && 978 video_frame->Format() != cdm::kYv12)) { 979 CDM_DLOG() << "Invalid video frame!"; 980 return false; 981 } 982 983 PpbBuffer* ppb_buffer = static_cast<PpbBuffer*>(video_frame->FrameBuffer()); 984 985 for (uint32_t i = 0; i < cdm::VideoFrame::kMaxPlanes; ++i) { 986 int plane_height = (i == cdm::VideoFrame::kYPlane) ? 987 video_frame->Size().height : (video_frame->Size().height + 1) / 2; 988 cdm::VideoFrame::VideoPlane plane = 989 static_cast<cdm::VideoFrame::VideoPlane>(i); 990 if (ppb_buffer->Size() < video_frame->PlaneOffset(plane) + 991 plane_height * video_frame->Stride(plane)) { 992 return false; 993 } 994 } 995 996 return true; 997 } 998 999 #if !defined(NDEBUG) 1000 void CdmAdapter::LogToConsole(const pp::Var& value) { 1001 PP_DCHECK(IsMainThread()); 1002 const PPB_Console* console = reinterpret_cast<const PPB_Console*>( 1003 pp::Module::Get()->GetBrowserInterface(PPB_CONSOLE_INTERFACE)); 1004 console->Log(pp_instance(), PP_LOGLEVEL_LOG, value.pp_var()); 1005 } 1006 #endif // !defined(NDEBUG) 1007 1008 void CdmAdapter::SendPlatformChallenge( 1009 const char* service_id, uint32_t service_id_length, 1010 const char* challenge, uint32_t challenge_length) { 1011 #if defined(OS_CHROMEOS) 1012 PP_DCHECK(!challenge_in_progress_); 1013 1014 // Ensure member variables set by the callback are in a clean state. 1015 signed_data_output_ = pp::Var(); 1016 signed_data_signature_output_ = pp::Var(); 1017 platform_key_certificate_output_ = pp::Var(); 1018 1019 pp::VarArrayBuffer challenge_var(challenge_length); 1020 uint8_t* var_data = static_cast<uint8_t*>(challenge_var.Map()); 1021 memcpy(var_data, challenge, challenge_length); 1022 1023 std::string service_id_str(service_id, service_id_length); 1024 int32_t result = platform_verification_.ChallengePlatform( 1025 pp::Var(service_id_str), challenge_var, &signed_data_output_, 1026 &signed_data_signature_output_, &platform_key_certificate_output_, 1027 callback_factory_.NewCallback(&CdmAdapter::SendPlatformChallengeDone)); 1028 challenge_var.Unmap(); 1029 if (result == PP_OK_COMPLETIONPENDING) { 1030 challenge_in_progress_ = true; 1031 return; 1032 } 1033 1034 // Fall through on error and issue an empty OnPlatformChallengeResponse(). 1035 PP_DCHECK(result != PP_OK); 1036 #endif 1037 1038 cdm::PlatformChallengeResponse response = {}; 1039 cdm_->OnPlatformChallengeResponse(response); 1040 } 1041 1042 void CdmAdapter::EnableOutputProtection(uint32_t desired_protection_mask) { 1043 #if defined(OS_CHROMEOS) 1044 int32_t result = output_protection_.EnableProtection( 1045 desired_protection_mask, callback_factory_.NewCallback( 1046 &CdmAdapter::EnableProtectionDone)); 1047 1048 // Errors are ignored since clients must call QueryOutputProtectionStatus() to 1049 // inspect the protection status on a regular basis. 1050 1051 if (result != PP_OK && result != PP_OK_COMPLETIONPENDING) 1052 CDM_DLOG() << __FUNCTION__ << " failed!"; 1053 #endif 1054 } 1055 1056 void CdmAdapter::QueryOutputProtectionStatus() { 1057 #if defined(OS_CHROMEOS) 1058 PP_DCHECK(!query_output_protection_in_progress_); 1059 1060 output_link_mask_ = output_protection_mask_ = 0; 1061 const int32_t result = output_protection_.QueryStatus( 1062 &output_link_mask_, 1063 &output_protection_mask_, 1064 callback_factory_.NewCallback( 1065 &CdmAdapter::QueryOutputProtectionStatusDone)); 1066 if (result == PP_OK_COMPLETIONPENDING) { 1067 query_output_protection_in_progress_ = true; 1068 ReportOutputProtectionQuery(); 1069 return; 1070 } 1071 1072 // Fall through on error and issue an empty OnQueryOutputProtectionStatus(). 1073 PP_DCHECK(result != PP_OK); 1074 #endif 1075 1076 cdm_->OnQueryOutputProtectionStatus(0, 0); 1077 } 1078 1079 void CdmAdapter::OnDeferredInitializationDone(cdm::StreamType stream_type, 1080 cdm::Status decoder_status) { 1081 switch (stream_type) { 1082 case cdm::kStreamTypeAudio: 1083 PP_DCHECK(deferred_initialize_audio_decoder_); 1084 CallOnMain( 1085 callback_factory_.NewCallback(&CdmAdapter::DecoderInitializeDone, 1086 PP_DECRYPTORSTREAMTYPE_AUDIO, 1087 deferred_audio_decoder_config_id_, 1088 decoder_status == cdm::kSuccess)); 1089 deferred_initialize_audio_decoder_ = false; 1090 deferred_audio_decoder_config_id_ = 0; 1091 break; 1092 case cdm::kStreamTypeVideo: 1093 PP_DCHECK(deferred_initialize_video_decoder_); 1094 CallOnMain( 1095 callback_factory_.NewCallback(&CdmAdapter::DecoderInitializeDone, 1096 PP_DECRYPTORSTREAMTYPE_VIDEO, 1097 deferred_video_decoder_config_id_, 1098 decoder_status == cdm::kSuccess)); 1099 deferred_initialize_video_decoder_ = false; 1100 deferred_video_decoder_config_id_ = 0; 1101 break; 1102 } 1103 } 1104 1105 // The CDM owns the returned object and must call FileIO::Close() to release it. 1106 cdm::FileIO* CdmAdapter::CreateFileIO(cdm::FileIOClient* client) { 1107 return new CdmFileIOImpl(client, pp_instance()); 1108 } 1109 1110 #if defined(OS_CHROMEOS) 1111 void CdmAdapter::ReportOutputProtectionUMA(OutputProtectionStatus status) { 1112 pp::UMAPrivate uma_interface_(this); 1113 uma_interface_.HistogramEnumeration( 1114 "Media.EME.OutputProtection", status, OUTPUT_PROTECTION_MAX); 1115 } 1116 1117 void CdmAdapter::ReportOutputProtectionQuery() { 1118 if (uma_for_output_protection_query_reported_) 1119 return; 1120 1121 ReportOutputProtectionUMA(OUTPUT_PROTECTION_QUERIED); 1122 uma_for_output_protection_query_reported_ = true; 1123 } 1124 1125 void CdmAdapter::ReportOutputProtectionQueryResult() { 1126 if (uma_for_output_protection_positive_result_reported_) 1127 return; 1128 1129 // Report UMAs for output protection query result. 1130 uint32_t external_links = (output_link_mask_ & ~cdm::kLinkTypeInternal); 1131 1132 if (!external_links) { 1133 ReportOutputProtectionUMA(OUTPUT_PROTECTION_NO_EXTERNAL_LINK); 1134 uma_for_output_protection_positive_result_reported_ = true; 1135 return; 1136 } 1137 1138 const uint32_t kProtectableLinks = 1139 cdm::kLinkTypeHDMI | cdm::kLinkTypeDVI | cdm::kLinkTypeDisplayPort; 1140 bool is_unprotectable_link_connected = external_links & ~kProtectableLinks; 1141 bool is_hdcp_enabled_on_all_protectable_links = 1142 output_protection_mask_ & cdm::kProtectionHDCP; 1143 1144 if (!is_unprotectable_link_connected && 1145 is_hdcp_enabled_on_all_protectable_links) { 1146 ReportOutputProtectionUMA( 1147 OUTPUT_PROTECTION_ALL_EXTERNAL_LINKS_PROTECTED); 1148 uma_for_output_protection_positive_result_reported_ = true; 1149 return; 1150 } 1151 1152 // Do not report a negative result because it could be a false negative. 1153 // Instead, we will calculate number of negatives using the total number of 1154 // queries and success results. 1155 } 1156 1157 void CdmAdapter::SendPlatformChallengeDone(int32_t result) { 1158 challenge_in_progress_ = false; 1159 1160 if (result != PP_OK) { 1161 CDM_DLOG() << __FUNCTION__ << ": Platform challenge failed!"; 1162 cdm::PlatformChallengeResponse response = {}; 1163 cdm_->OnPlatformChallengeResponse(response); 1164 return; 1165 } 1166 1167 pp::VarArrayBuffer signed_data_var(signed_data_output_); 1168 pp::VarArrayBuffer signed_data_signature_var(signed_data_signature_output_); 1169 std::string platform_key_certificate_string = 1170 platform_key_certificate_output_.AsString(); 1171 1172 cdm::PlatformChallengeResponse response = { 1173 static_cast<uint8_t*>(signed_data_var.Map()), 1174 signed_data_var.ByteLength(), 1175 static_cast<uint8_t*>(signed_data_signature_var.Map()), 1176 signed_data_signature_var.ByteLength(), 1177 reinterpret_cast<const uint8_t*>(platform_key_certificate_string.data()), 1178 static_cast<uint32_t>(platform_key_certificate_string.length())}; 1179 cdm_->OnPlatformChallengeResponse(response); 1180 1181 signed_data_var.Unmap(); 1182 signed_data_signature_var.Unmap(); 1183 } 1184 1185 void CdmAdapter::EnableProtectionDone(int32_t result) { 1186 // Does nothing since clients must call QueryOutputProtectionStatus() to 1187 // inspect the protection status on a regular basis. 1188 CDM_DLOG() << __FUNCTION__ << " : " << result; 1189 } 1190 1191 void CdmAdapter::QueryOutputProtectionStatusDone(int32_t result) { 1192 PP_DCHECK(query_output_protection_in_progress_); 1193 query_output_protection_in_progress_ = false; 1194 1195 // Return a protection status of none on error. 1196 if (result != PP_OK) 1197 output_link_mask_ = output_protection_mask_ = 0; 1198 else 1199 ReportOutputProtectionQueryResult(); 1200 1201 cdm_->OnQueryOutputProtectionStatus(output_link_mask_, 1202 output_protection_mask_); 1203 } 1204 #endif 1205 1206 CdmAdapter::SessionError::SessionError(cdm::Error error, 1207 uint32_t system_code, 1208 std::string error_description) 1209 : error(error), 1210 system_code(system_code), 1211 error_description(error_description) { 1212 } 1213 1214 void* GetCdmHost(int host_interface_version, void* user_data) { 1215 if (!host_interface_version || !user_data) 1216 return NULL; 1217 1218 COMPILE_ASSERT( 1219 cdm::ContentDecryptionModule::Host::kVersion == cdm::Host_5::kVersion, 1220 update_code_below); 1221 1222 // Ensure IsSupportedCdmHostVersion matches implementation of this function. 1223 // Always update this DCHECK when updating this function. 1224 // If this check fails, update this function and DCHECK or update 1225 // IsSupportedCdmHostVersion. 1226 1227 PP_DCHECK( 1228 // Future version is not supported. 1229 !IsSupportedCdmHostVersion(cdm::Host_5::kVersion + 1) && 1230 // Current version is supported. 1231 IsSupportedCdmHostVersion(cdm::Host_5::kVersion) && 1232 // Include all previous supported versions (if any) here. 1233 IsSupportedCdmHostVersion(cdm::Host_4::kVersion) && 1234 // One older than the oldest supported version is not supported. 1235 !IsSupportedCdmHostVersion(cdm::Host_4::kVersion - 1)); 1236 PP_DCHECK(IsSupportedCdmHostVersion(host_interface_version)); 1237 1238 CdmAdapter* cdm_adapter = static_cast<CdmAdapter*>(user_data); 1239 CDM_DLOG() << "Create CDM Host with version " << host_interface_version; 1240 switch (host_interface_version) { 1241 case cdm::Host_4::kVersion: 1242 return static_cast<cdm::Host_4*>(cdm_adapter); 1243 case cdm::Host_5::kVersion: 1244 return static_cast<cdm::Host_5*>(cdm_adapter); 1245 default: 1246 PP_NOTREACHED(); 1247 return NULL; 1248 } 1249 } 1250 1251 // This object is the global object representing this plugin library as long 1252 // as it is loaded. 1253 class CdmAdapterModule : public pp::Module { 1254 public: 1255 CdmAdapterModule() : pp::Module() { 1256 // This function blocks the renderer thread (PluginInstance::Initialize()). 1257 // Move this call to other places if this may be a concern in the future. 1258 INITIALIZE_CDM_MODULE(); 1259 } 1260 virtual ~CdmAdapterModule() { 1261 DeinitializeCdmModule(); 1262 } 1263 1264 virtual pp::Instance* CreateInstance(PP_Instance instance) { 1265 return new CdmAdapter(instance, this); 1266 } 1267 1268 private: 1269 CdmFileIOImpl::ResourceTracker cdm_file_io_impl_resource_tracker; 1270 }; 1271 1272 } // namespace media 1273 1274 namespace pp { 1275 1276 // Factory function for your specialization of the Module object. 1277 Module* CreateModule() { 1278 return new media::CdmAdapterModule(); 1279 } 1280 1281 } // namespace pp 1282
