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| 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/base/limits.h" | |
| 8 #include "media/cdm/ppapi/cdm_file_io_impl.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 // Constants for UMA reporting of file size (in KB) via HistogramCustomCounts(). | |
| 22 // Note that the histogram is log-scaled (rather than linear). | |
| 23 const uint32_t kSizeKBMin = 1; | |
| 24 const uint32_t kSizeKBMax = 512 * 1024; // 512MB | |
| 25 const uint32_t kSizeKBBuckets = 100; | |
| 26 | |
| 27 #if !defined(NDEBUG) | |
| 28 #define DLOG_TO_CONSOLE(message) LogToConsole(message); | |
| 29 #else | |
| 30 #define DLOG_TO_CONSOLE(message) (void)(message); | |
| 31 #endif | |
| 32 | |
| 33 bool IsMainThread() { | |
| 34 return pp::Module::Get()->core()->IsMainThread(); | |
| 35 } | |
| 36 | |
| 37 // Posts a task to run |cb| on the main thread. The task is posted even if the | |
| 38 // current thread is the main thread. | |
| 39 void PostOnMain(pp::CompletionCallback cb) { | |
| 40 pp::Module::Get()->core()->CallOnMainThread(0, cb, PP_OK); | |
| 41 } | |
| 42 | |
| 43 // Ensures |cb| is called on the main thread, either because the current thread | |
| 44 // is the main thread or by posting it to the main thread. | |
| 45 void CallOnMain(pp::CompletionCallback cb) { | |
| 46 // TODO(tomfinegan): This is only necessary because PPAPI doesn't allow calls | |
| 47 // off the main thread yet. Remove this once the change lands. | |
| 48 if (IsMainThread()) | |
| 49 cb.Run(PP_OK); | |
| 50 else | |
| 51 PostOnMain(cb); | |
| 52 } | |
| 53 | |
| 54 // Configures a cdm::InputBuffer. |subsamples| must exist as long as | |
| 55 // |input_buffer| is in use. | |
| 56 void ConfigureInputBuffer( | |
| 57 const pp::Buffer_Dev& encrypted_buffer, | |
| 58 const PP_EncryptedBlockInfo& encrypted_block_info, | |
| 59 std::vector<cdm::SubsampleEntry>* subsamples, | |
| 60 cdm::InputBuffer* input_buffer) { | |
| 61 PP_DCHECK(subsamples); | |
| 62 PP_DCHECK(!encrypted_buffer.is_null()); | |
| 63 | |
| 64 input_buffer->data = static_cast<uint8_t*>(encrypted_buffer.data()); | |
| 65 input_buffer->data_size = encrypted_block_info.data_size; | |
| 66 PP_DCHECK(encrypted_buffer.size() >= input_buffer->data_size); | |
| 67 | |
| 68 PP_DCHECK(encrypted_block_info.key_id_size <= | |
| 69 arraysize(encrypted_block_info.key_id)); | |
| 70 input_buffer->key_id_size = encrypted_block_info.key_id_size; | |
| 71 input_buffer->key_id = input_buffer->key_id_size > 0 ? | |
| 72 encrypted_block_info.key_id : NULL; | |
| 73 | |
| 74 PP_DCHECK(encrypted_block_info.iv_size <= arraysize(encrypted_block_info.iv)); | |
| 75 input_buffer->iv_size = encrypted_block_info.iv_size; | |
| 76 input_buffer->iv = encrypted_block_info.iv_size > 0 ? | |
| 77 encrypted_block_info.iv : NULL; | |
| 78 | |
| 79 input_buffer->num_subsamples = encrypted_block_info.num_subsamples; | |
| 80 if (encrypted_block_info.num_subsamples > 0) { | |
| 81 subsamples->reserve(encrypted_block_info.num_subsamples); | |
| 82 | |
| 83 for (uint32_t i = 0; i < encrypted_block_info.num_subsamples; ++i) { | |
| 84 subsamples->push_back(cdm::SubsampleEntry( | |
| 85 encrypted_block_info.subsamples[i].clear_bytes, | |
| 86 encrypted_block_info.subsamples[i].cipher_bytes)); | |
| 87 } | |
| 88 | |
| 89 input_buffer->subsamples = &(*subsamples)[0]; | |
| 90 } | |
| 91 | |
| 92 input_buffer->timestamp = encrypted_block_info.tracking_info.timestamp; | |
| 93 } | |
| 94 | |
| 95 PP_DecryptResult CdmStatusToPpDecryptResult(cdm::Status status) { | |
| 96 switch (status) { | |
| 97 case cdm::kSuccess: | |
| 98 return PP_DECRYPTRESULT_SUCCESS; | |
| 99 case cdm::kNoKey: | |
| 100 return PP_DECRYPTRESULT_DECRYPT_NOKEY; | |
| 101 case cdm::kNeedMoreData: | |
| 102 return PP_DECRYPTRESULT_NEEDMOREDATA; | |
| 103 case cdm::kDecryptError: | |
| 104 return PP_DECRYPTRESULT_DECRYPT_ERROR; | |
| 105 case cdm::kDecodeError: | |
| 106 return PP_DECRYPTRESULT_DECODE_ERROR; | |
| 107 case cdm::kSessionError: | |
| 108 case cdm::kDeferredInitialization: | |
| 109 // kSessionError and kDeferredInitialization are only used by the | |
| 110 // Initialize* methods internally and never returned. Deliver* | |
| 111 // methods should never use these values. | |
| 112 break; | |
| 113 } | |
| 114 | |
| 115 PP_NOTREACHED(); | |
| 116 return PP_DECRYPTRESULT_DECRYPT_ERROR; | |
| 117 } | |
| 118 | |
| 119 PP_DecryptedFrameFormat CdmVideoFormatToPpDecryptedFrameFormat( | |
| 120 cdm::VideoFormat format) { | |
| 121 switch (format) { | |
| 122 case cdm::kYv12: | |
| 123 return PP_DECRYPTEDFRAMEFORMAT_YV12; | |
| 124 case cdm::kI420: | |
| 125 return PP_DECRYPTEDFRAMEFORMAT_I420; | |
| 126 default: | |
| 127 return PP_DECRYPTEDFRAMEFORMAT_UNKNOWN; | |
| 128 } | |
| 129 } | |
| 130 | |
| 131 PP_DecryptedSampleFormat CdmAudioFormatToPpDecryptedSampleFormat( | |
| 132 cdm::AudioFormat format) { | |
| 133 switch (format) { | |
| 134 case cdm::kAudioFormatU8: | |
| 135 return PP_DECRYPTEDSAMPLEFORMAT_U8; | |
| 136 case cdm::kAudioFormatS16: | |
| 137 return PP_DECRYPTEDSAMPLEFORMAT_S16; | |
| 138 case cdm::kAudioFormatS32: | |
| 139 return PP_DECRYPTEDSAMPLEFORMAT_S32; | |
| 140 case cdm::kAudioFormatF32: | |
| 141 return PP_DECRYPTEDSAMPLEFORMAT_F32; | |
| 142 case cdm::kAudioFormatPlanarS16: | |
| 143 return PP_DECRYPTEDSAMPLEFORMAT_PLANAR_S16; | |
| 144 case cdm::kAudioFormatPlanarF32: | |
| 145 return PP_DECRYPTEDSAMPLEFORMAT_PLANAR_F32; | |
| 146 default: | |
| 147 return PP_DECRYPTEDSAMPLEFORMAT_UNKNOWN; | |
| 148 } | |
| 149 } | |
| 150 | |
| 151 cdm::AudioDecoderConfig::AudioCodec PpAudioCodecToCdmAudioCodec( | |
| 152 PP_AudioCodec codec) { | |
| 153 switch (codec) { | |
| 154 case PP_AUDIOCODEC_VORBIS: | |
| 155 return cdm::AudioDecoderConfig::kCodecVorbis; | |
| 156 case PP_AUDIOCODEC_AAC: | |
| 157 return cdm::AudioDecoderConfig::kCodecAac; | |
| 158 default: | |
| 159 return cdm::AudioDecoderConfig::kUnknownAudioCodec; | |
| 160 } | |
| 161 } | |
| 162 | |
| 163 cdm::VideoDecoderConfig::VideoCodec PpVideoCodecToCdmVideoCodec( | |
| 164 PP_VideoCodec codec) { | |
| 165 switch (codec) { | |
| 166 case PP_VIDEOCODEC_VP8: | |
| 167 return cdm::VideoDecoderConfig::kCodecVp8; | |
| 168 case PP_VIDEOCODEC_H264: | |
| 169 return cdm::VideoDecoderConfig::kCodecH264; | |
| 170 case PP_VIDEOCODEC_VP9: | |
| 171 return cdm::VideoDecoderConfig::kCodecVp9; | |
| 172 default: | |
| 173 return cdm::VideoDecoderConfig::kUnknownVideoCodec; | |
| 174 } | |
| 175 } | |
| 176 | |
| 177 cdm::VideoDecoderConfig::VideoCodecProfile PpVCProfileToCdmVCProfile( | |
| 178 PP_VideoCodecProfile profile) { | |
| 179 switch (profile) { | |
| 180 case PP_VIDEOCODECPROFILE_NOT_NEEDED: | |
| 181 return cdm::VideoDecoderConfig::kProfileNotNeeded; | |
| 182 case PP_VIDEOCODECPROFILE_H264_BASELINE: | |
| 183 return cdm::VideoDecoderConfig::kH264ProfileBaseline; | |
| 184 case PP_VIDEOCODECPROFILE_H264_MAIN: | |
| 185 return cdm::VideoDecoderConfig::kH264ProfileMain; | |
| 186 case PP_VIDEOCODECPROFILE_H264_EXTENDED: | |
| 187 return cdm::VideoDecoderConfig::kH264ProfileExtended; | |
| 188 case PP_VIDEOCODECPROFILE_H264_HIGH: | |
| 189 return cdm::VideoDecoderConfig::kH264ProfileHigh; | |
| 190 case PP_VIDEOCODECPROFILE_H264_HIGH_10: | |
| 191 return cdm::VideoDecoderConfig::kH264ProfileHigh10; | |
| 192 case PP_VIDEOCODECPROFILE_H264_HIGH_422: | |
| 193 return cdm::VideoDecoderConfig::kH264ProfileHigh422; | |
| 194 case PP_VIDEOCODECPROFILE_H264_HIGH_444_PREDICTIVE: | |
| 195 return cdm::VideoDecoderConfig::kH264ProfileHigh444Predictive; | |
| 196 default: | |
| 197 return cdm::VideoDecoderConfig::kUnknownVideoCodecProfile; | |
| 198 } | |
| 199 } | |
| 200 | |
| 201 cdm::VideoFormat PpDecryptedFrameFormatToCdmVideoFormat( | |
| 202 PP_DecryptedFrameFormat format) { | |
| 203 switch (format) { | |
| 204 case PP_DECRYPTEDFRAMEFORMAT_YV12: | |
| 205 return cdm::kYv12; | |
| 206 case PP_DECRYPTEDFRAMEFORMAT_I420: | |
| 207 return cdm::kI420; | |
| 208 default: | |
| 209 return cdm::kUnknownVideoFormat; | |
| 210 } | |
| 211 } | |
| 212 | |
| 213 cdm::StreamType PpDecryptorStreamTypeToCdmStreamType( | |
| 214 PP_DecryptorStreamType stream_type) { | |
| 215 switch (stream_type) { | |
| 216 case PP_DECRYPTORSTREAMTYPE_AUDIO: | |
| 217 return cdm::kStreamTypeAudio; | |
| 218 case PP_DECRYPTORSTREAMTYPE_VIDEO: | |
| 219 return cdm::kStreamTypeVideo; | |
| 220 } | |
| 221 | |
| 222 PP_NOTREACHED(); | |
| 223 return cdm::kStreamTypeVideo; | |
| 224 } | |
| 225 | |
| 226 cdm::SessionType PpSessionTypeToCdmSessionType(PP_SessionType session_type) { | |
| 227 switch (session_type) { | |
| 228 case PP_SESSIONTYPE_TEMPORARY: | |
| 229 return cdm::kTemporary; | |
| 230 case PP_SESSIONTYPE_PERSISTENT_LICENSE: | |
| 231 return cdm::kPersistentLicense; | |
| 232 case PP_SESSIONTYPE_PERSISTENT_RELEASE: | |
| 233 return cdm::kPersistentKeyRelease; | |
| 234 } | |
| 235 | |
| 236 PP_NOTREACHED(); | |
| 237 return cdm::kTemporary; | |
| 238 } | |
| 239 | |
| 240 cdm::InitDataType PpInitDataTypeToCdmInitDataType( | |
| 241 PP_InitDataType init_data_type) { | |
| 242 switch (init_data_type) { | |
| 243 case PP_INITDATATYPE_CENC: | |
| 244 return cdm::kCenc; | |
| 245 case PP_INITDATATYPE_KEYIDS: | |
| 246 return cdm::kKeyIds; | |
| 247 case PP_INITDATATYPE_WEBM: | |
| 248 return cdm::kWebM; | |
| 249 } | |
| 250 | |
| 251 PP_NOTREACHED(); | |
| 252 return cdm::kKeyIds; | |
| 253 } | |
| 254 | |
| 255 PP_CdmExceptionCode CdmExceptionTypeToPpCdmExceptionType(cdm::Error error) { | |
| 256 switch (error) { | |
| 257 case cdm::kNotSupportedError: | |
| 258 return PP_CDMEXCEPTIONCODE_NOTSUPPORTEDERROR; | |
| 259 case cdm::kInvalidStateError: | |
| 260 return PP_CDMEXCEPTIONCODE_INVALIDSTATEERROR; | |
| 261 case cdm::kInvalidAccessError: | |
| 262 return PP_CDMEXCEPTIONCODE_INVALIDACCESSERROR; | |
| 263 case cdm::kQuotaExceededError: | |
| 264 return PP_CDMEXCEPTIONCODE_QUOTAEXCEEDEDERROR; | |
| 265 case cdm::kUnknownError: | |
| 266 return PP_CDMEXCEPTIONCODE_UNKNOWNERROR; | |
| 267 case cdm::kClientError: | |
| 268 return PP_CDMEXCEPTIONCODE_CLIENTERROR; | |
| 269 case cdm::kOutputError: | |
| 270 return PP_CDMEXCEPTIONCODE_OUTPUTERROR; | |
| 271 } | |
| 272 | |
| 273 PP_NOTREACHED(); | |
| 274 return PP_CDMEXCEPTIONCODE_UNKNOWNERROR; | |
| 275 } | |
| 276 | |
| 277 PP_CdmMessageType CdmMessageTypeToPpMessageType(cdm::MessageType message) { | |
| 278 switch (message) { | |
| 279 case cdm::kLicenseRequest: | |
| 280 return PP_CDMMESSAGETYPE_LICENSE_REQUEST; | |
| 281 case cdm::kLicenseRenewal: | |
| 282 return PP_CDMMESSAGETYPE_LICENSE_RENEWAL; | |
| 283 case cdm::kLicenseRelease: | |
| 284 return PP_CDMMESSAGETYPE_LICENSE_RELEASE; | |
| 285 } | |
| 286 | |
| 287 PP_NOTREACHED(); | |
| 288 return PP_CDMMESSAGETYPE_LICENSE_REQUEST; | |
| 289 } | |
| 290 | |
| 291 PP_CdmKeyStatus CdmKeyStatusToPpKeyStatus(cdm::KeyStatus status) { | |
| 292 switch (status) { | |
| 293 case cdm::kUsable: | |
| 294 return PP_CDMKEYSTATUS_USABLE; | |
| 295 case cdm::kInternalError: | |
| 296 return PP_CDMKEYSTATUS_INVALID; | |
| 297 case cdm::kExpired: | |
| 298 return PP_CDMKEYSTATUS_EXPIRED; | |
| 299 case cdm::kOutputRestricted: | |
| 300 return PP_CDMKEYSTATUS_OUTPUTRESTRICTED; | |
| 301 case cdm::kOutputDownscaled: | |
| 302 return PP_CDMKEYSTATUS_OUTPUTDOWNSCALED; | |
| 303 case cdm::kStatusPending: | |
| 304 return PP_CDMKEYSTATUS_STATUSPENDING; | |
| 305 case cdm::kReleased: | |
| 306 return PP_CDMKEYSTATUS_RELEASED; | |
| 307 } | |
| 308 | |
| 309 PP_NOTREACHED(); | |
| 310 return PP_CDMKEYSTATUS_INVALID; | |
| 311 } | |
| 312 | |
| 313 } // namespace | |
| 314 | |
| 315 namespace media { | |
| 316 | |
| 317 CdmAdapter::CdmAdapter(PP_Instance instance, pp::Module* module) | |
| 318 : pp::Instance(instance), | |
| 319 pp::ContentDecryptor_Private(this), | |
| 320 #if defined(OS_CHROMEOS) | |
| 321 output_protection_(this), | |
| 322 platform_verification_(this), | |
| 323 output_link_mask_(0), | |
| 324 output_protection_mask_(0), | |
| 325 query_output_protection_in_progress_(false), | |
| 326 uma_for_output_protection_query_reported_(false), | |
| 327 uma_for_output_protection_positive_result_reported_(false), | |
| 328 #endif | |
| 329 allocator_(this), | |
| 330 cdm_(NULL), | |
| 331 allow_distinctive_identifier_(false), | |
| 332 allow_persistent_state_(false), | |
| 333 deferred_initialize_audio_decoder_(false), | |
| 334 deferred_audio_decoder_config_id_(0), | |
| 335 deferred_initialize_video_decoder_(false), | |
| 336 deferred_video_decoder_config_id_(0), | |
| 337 last_read_file_size_kb_(0), | |
| 338 file_size_uma_reported_(false) { | |
| 339 callback_factory_.Initialize(this); | |
| 340 } | |
| 341 | |
| 342 CdmAdapter::~CdmAdapter() {} | |
| 343 | |
| 344 CdmWrapper* CdmAdapter::CreateCdmInstance(const std::string& key_system) { | |
| 345 CdmWrapper* cdm = CdmWrapper::Create(key_system.data(), key_system.size(), | |
| 346 GetCdmHost, this); | |
| 347 | |
| 348 const std::string message = "CDM instance for " + key_system + | |
| 349 (cdm ? "" : " could not be") + " created."; | |
| 350 DLOG_TO_CONSOLE(message); | |
| 351 CDM_DLOG() << message; | |
| 352 | |
| 353 return cdm; | |
| 354 } | |
| 355 | |
| 356 void CdmAdapter::Initialize(uint32_t promise_id, | |
| 357 const std::string& key_system, | |
| 358 bool allow_distinctive_identifier, | |
| 359 bool allow_persistent_state) { | |
| 360 PP_DCHECK(!key_system.empty()); | |
| 361 PP_DCHECK(!cdm_); | |
| 362 | |
| 363 #if defined(CHECK_DOCUMENT_URL) | |
| 364 PP_URLComponents_Dev url_components = {}; | |
| 365 const pp::URLUtil_Dev* url_util = pp::URLUtil_Dev::Get(); | |
| 366 if (!url_util) { | |
| 367 RejectPromise(promise_id, cdm::kUnknownError, 0, | |
| 368 "Unable to determine origin."); | |
| 369 return; | |
| 370 } | |
| 371 | |
| 372 pp::Var href = url_util->GetDocumentURL(pp::InstanceHandle(pp_instance()), | |
| 373 &url_components); | |
| 374 PP_DCHECK(href.is_string()); | |
| 375 std::string url = href.AsString(); | |
| 376 PP_DCHECK(!url.empty()); | |
| 377 std::string url_scheme = | |
| 378 url.substr(url_components.scheme.begin, url_components.scheme.len); | |
| 379 if (url_scheme != "file") { | |
| 380 // Skip this check for file:// URLs as they don't have a host component. | |
| 381 PP_DCHECK(url_components.host.begin); | |
| 382 PP_DCHECK(0 < url_components.host.len); | |
| 383 } | |
| 384 #endif // defined(CHECK_DOCUMENT_URL) | |
| 385 | |
| 386 cdm_ = make_linked_ptr(CreateCdmInstance(key_system)); | |
| 387 if (!cdm_) { | |
| 388 RejectPromise(promise_id, cdm::kInvalidAccessError, 0, | |
| 389 "Unable to create CDM."); | |
| 390 return; | |
| 391 } | |
| 392 | |
| 393 key_system_ = key_system; | |
| 394 allow_distinctive_identifier_ = allow_distinctive_identifier; | |
| 395 allow_persistent_state_ = allow_persistent_state; | |
| 396 cdm_->Initialize(allow_distinctive_identifier, allow_persistent_state); | |
| 397 OnResolvePromise(promise_id); | |
| 398 } | |
| 399 | |
| 400 void CdmAdapter::SetServerCertificate(uint32_t promise_id, | |
| 401 pp::VarArrayBuffer server_certificate) { | |
| 402 const uint8_t* server_certificate_ptr = | |
| 403 static_cast<const uint8_t*>(server_certificate.Map()); | |
| 404 const uint32_t server_certificate_size = server_certificate.ByteLength(); | |
| 405 | |
| 406 if (!server_certificate_ptr || | |
| 407 server_certificate_size < media::limits::kMinCertificateLength || | |
| 408 server_certificate_size > media::limits::kMaxCertificateLength) { | |
| 409 RejectPromise( | |
| 410 promise_id, cdm::kInvalidAccessError, 0, "Incorrect certificate."); | |
| 411 return; | |
| 412 } | |
| 413 | |
| 414 cdm_->SetServerCertificate( | |
| 415 promise_id, server_certificate_ptr, server_certificate_size); | |
| 416 } | |
| 417 | |
| 418 void CdmAdapter::CreateSessionAndGenerateRequest(uint32_t promise_id, | |
| 419 PP_SessionType session_type, | |
| 420 PP_InitDataType init_data_type, | |
| 421 pp::VarArrayBuffer init_data) { | |
| 422 cdm_->CreateSessionAndGenerateRequest( | |
| 423 promise_id, PpSessionTypeToCdmSessionType(session_type), | |
| 424 PpInitDataTypeToCdmInitDataType(init_data_type), | |
| 425 static_cast<const uint8_t*>(init_data.Map()), init_data.ByteLength()); | |
| 426 } | |
| 427 | |
| 428 void CdmAdapter::LoadSession(uint32_t promise_id, | |
| 429 PP_SessionType session_type, | |
| 430 const std::string& session_id) { | |
| 431 cdm_->LoadSession(promise_id, PpSessionTypeToCdmSessionType(session_type), | |
| 432 session_id.data(), session_id.size()); | |
| 433 } | |
| 434 | |
| 435 void CdmAdapter::UpdateSession(uint32_t promise_id, | |
| 436 const std::string& session_id, | |
| 437 pp::VarArrayBuffer response) { | |
| 438 const uint8_t* response_ptr = static_cast<const uint8_t*>(response.Map()); | |
| 439 const uint32_t response_size = response.ByteLength(); | |
| 440 | |
| 441 PP_DCHECK(!session_id.empty()); | |
| 442 PP_DCHECK(response_ptr); | |
| 443 PP_DCHECK(response_size > 0); | |
| 444 | |
| 445 cdm_->UpdateSession(promise_id, session_id.data(), session_id.length(), | |
| 446 response_ptr, response_size); | |
| 447 } | |
| 448 | |
| 449 void CdmAdapter::CloseSession(uint32_t promise_id, | |
| 450 const std::string& session_id) { | |
| 451 cdm_->CloseSession(promise_id, session_id.data(), session_id.length()); | |
| 452 } | |
| 453 | |
| 454 void CdmAdapter::RemoveSession(uint32_t promise_id, | |
| 455 const std::string& session_id) { | |
| 456 cdm_->RemoveSession(promise_id, session_id.data(), session_id.length()); | |
| 457 } | |
| 458 | |
| 459 // Note: In the following decryption/decoding related functions, errors are NOT | |
| 460 // reported via KeyError, but are reported via corresponding PPB calls. | |
| 461 | |
| 462 void CdmAdapter::Decrypt(pp::Buffer_Dev encrypted_buffer, | |
| 463 const PP_EncryptedBlockInfo& encrypted_block_info) { | |
| 464 PP_DCHECK(!encrypted_buffer.is_null()); | |
| 465 | |
| 466 // Release a buffer that the caller indicated it is finished with. | |
| 467 allocator_.Release(encrypted_block_info.tracking_info.buffer_id); | |
| 468 | |
| 469 cdm::Status status = cdm::kDecryptError; | |
| 470 LinkedDecryptedBlock decrypted_block(new DecryptedBlockImpl()); | |
| 471 | |
| 472 if (cdm_) { | |
| 473 cdm::InputBuffer input_buffer; | |
| 474 std::vector<cdm::SubsampleEntry> subsamples; | |
| 475 ConfigureInputBuffer(encrypted_buffer, encrypted_block_info, &subsamples, | |
| 476 &input_buffer); | |
| 477 status = cdm_->Decrypt(input_buffer, decrypted_block.get()); | |
| 478 PP_DCHECK(status != cdm::kSuccess || | |
| 479 (decrypted_block->DecryptedBuffer() && | |
| 480 decrypted_block->DecryptedBuffer()->Size())); | |
| 481 } | |
| 482 | |
| 483 CallOnMain(callback_factory_.NewCallback( | |
| 484 &CdmAdapter::DeliverBlock, | |
| 485 status, | |
| 486 decrypted_block, | |
| 487 encrypted_block_info.tracking_info)); | |
| 488 } | |
| 489 | |
| 490 void CdmAdapter::InitializeAudioDecoder( | |
| 491 const PP_AudioDecoderConfig& decoder_config, | |
| 492 pp::Buffer_Dev extra_data_buffer) { | |
| 493 PP_DCHECK(!deferred_initialize_audio_decoder_); | |
| 494 PP_DCHECK(deferred_audio_decoder_config_id_ == 0); | |
| 495 cdm::Status status = cdm::kSessionError; | |
| 496 if (cdm_) { | |
| 497 cdm::AudioDecoderConfig cdm_decoder_config; | |
| 498 cdm_decoder_config.codec = | |
| 499 PpAudioCodecToCdmAudioCodec(decoder_config.codec); | |
| 500 cdm_decoder_config.channel_count = decoder_config.channel_count; | |
| 501 cdm_decoder_config.bits_per_channel = decoder_config.bits_per_channel; | |
| 502 cdm_decoder_config.samples_per_second = decoder_config.samples_per_second; | |
| 503 cdm_decoder_config.extra_data = | |
| 504 static_cast<uint8_t*>(extra_data_buffer.data()); | |
| 505 cdm_decoder_config.extra_data_size = extra_data_buffer.size(); | |
| 506 status = cdm_->InitializeAudioDecoder(cdm_decoder_config); | |
| 507 } | |
| 508 | |
| 509 if (status == cdm::kDeferredInitialization) { | |
| 510 deferred_initialize_audio_decoder_ = true; | |
| 511 deferred_audio_decoder_config_id_ = decoder_config.request_id; | |
| 512 return; | |
| 513 } | |
| 514 | |
| 515 CallOnMain(callback_factory_.NewCallback( | |
| 516 &CdmAdapter::DecoderInitializeDone, | |
| 517 PP_DECRYPTORSTREAMTYPE_AUDIO, | |
| 518 decoder_config.request_id, | |
| 519 status == cdm::kSuccess)); | |
| 520 } | |
| 521 | |
| 522 void CdmAdapter::InitializeVideoDecoder( | |
| 523 const PP_VideoDecoderConfig& decoder_config, | |
| 524 pp::Buffer_Dev extra_data_buffer) { | |
| 525 PP_DCHECK(!deferred_initialize_video_decoder_); | |
| 526 PP_DCHECK(deferred_video_decoder_config_id_ == 0); | |
| 527 cdm::Status status = cdm::kSessionError; | |
| 528 if (cdm_) { | |
| 529 cdm::VideoDecoderConfig cdm_decoder_config; | |
| 530 cdm_decoder_config.codec = | |
| 531 PpVideoCodecToCdmVideoCodec(decoder_config.codec); | |
| 532 cdm_decoder_config.profile = | |
| 533 PpVCProfileToCdmVCProfile(decoder_config.profile); | |
| 534 cdm_decoder_config.format = | |
| 535 PpDecryptedFrameFormatToCdmVideoFormat(decoder_config.format); | |
| 536 cdm_decoder_config.coded_size.width = decoder_config.width; | |
| 537 cdm_decoder_config.coded_size.height = decoder_config.height; | |
| 538 cdm_decoder_config.extra_data = | |
| 539 static_cast<uint8_t*>(extra_data_buffer.data()); | |
| 540 cdm_decoder_config.extra_data_size = extra_data_buffer.size(); | |
| 541 status = cdm_->InitializeVideoDecoder(cdm_decoder_config); | |
| 542 } | |
| 543 | |
| 544 if (status == cdm::kDeferredInitialization) { | |
| 545 deferred_initialize_video_decoder_ = true; | |
| 546 deferred_video_decoder_config_id_ = decoder_config.request_id; | |
| 547 return; | |
| 548 } | |
| 549 | |
| 550 CallOnMain(callback_factory_.NewCallback( | |
| 551 &CdmAdapter::DecoderInitializeDone, | |
| 552 PP_DECRYPTORSTREAMTYPE_VIDEO, | |
| 553 decoder_config.request_id, | |
| 554 status == cdm::kSuccess)); | |
| 555 } | |
| 556 | |
| 557 void CdmAdapter::DeinitializeDecoder(PP_DecryptorStreamType decoder_type, | |
| 558 uint32_t request_id) { | |
| 559 PP_DCHECK(cdm_); // InitializeXxxxxDecoder should have succeeded. | |
| 560 if (cdm_) { | |
| 561 cdm_->DeinitializeDecoder( | |
| 562 PpDecryptorStreamTypeToCdmStreamType(decoder_type)); | |
| 563 } | |
| 564 | |
| 565 CallOnMain(callback_factory_.NewCallback( | |
| 566 &CdmAdapter::DecoderDeinitializeDone, | |
| 567 decoder_type, | |
| 568 request_id)); | |
| 569 } | |
| 570 | |
| 571 void CdmAdapter::ResetDecoder(PP_DecryptorStreamType decoder_type, | |
| 572 uint32_t request_id) { | |
| 573 PP_DCHECK(cdm_); // InitializeXxxxxDecoder should have succeeded. | |
| 574 if (cdm_) | |
| 575 cdm_->ResetDecoder(PpDecryptorStreamTypeToCdmStreamType(decoder_type)); | |
| 576 | |
| 577 CallOnMain(callback_factory_.NewCallback(&CdmAdapter::DecoderResetDone, | |
| 578 decoder_type, | |
| 579 request_id)); | |
| 580 } | |
| 581 | |
| 582 void CdmAdapter::DecryptAndDecode( | |
| 583 PP_DecryptorStreamType decoder_type, | |
| 584 pp::Buffer_Dev encrypted_buffer, | |
| 585 const PP_EncryptedBlockInfo& encrypted_block_info) { | |
| 586 PP_DCHECK(cdm_); // InitializeXxxxxDecoder should have succeeded. | |
| 587 // Release a buffer that the caller indicated it is finished with. | |
| 588 allocator_.Release(encrypted_block_info.tracking_info.buffer_id); | |
| 589 | |
| 590 cdm::InputBuffer input_buffer; | |
| 591 std::vector<cdm::SubsampleEntry> subsamples; | |
| 592 if (cdm_ && !encrypted_buffer.is_null()) { | |
| 593 ConfigureInputBuffer(encrypted_buffer, | |
| 594 encrypted_block_info, | |
| 595 &subsamples, | |
| 596 &input_buffer); | |
| 597 } | |
| 598 | |
| 599 cdm::Status status = cdm::kDecodeError; | |
| 600 | |
| 601 switch (decoder_type) { | |
| 602 case PP_DECRYPTORSTREAMTYPE_VIDEO: { | |
| 603 LinkedVideoFrame video_frame(new VideoFrameImpl()); | |
| 604 if (cdm_) | |
| 605 status = cdm_->DecryptAndDecodeFrame(input_buffer, video_frame.get()); | |
| 606 CallOnMain(callback_factory_.NewCallback( | |
| 607 &CdmAdapter::DeliverFrame, | |
| 608 status, | |
| 609 video_frame, | |
| 610 encrypted_block_info.tracking_info)); | |
| 611 return; | |
| 612 } | |
| 613 | |
| 614 case PP_DECRYPTORSTREAMTYPE_AUDIO: { | |
| 615 LinkedAudioFrames audio_frames(new AudioFramesImpl()); | |
| 616 if (cdm_) { | |
| 617 status = cdm_->DecryptAndDecodeSamples(input_buffer, | |
| 618 audio_frames.get()); | |
| 619 } | |
| 620 CallOnMain(callback_factory_.NewCallback( | |
| 621 &CdmAdapter::DeliverSamples, | |
| 622 status, | |
| 623 audio_frames, | |
| 624 encrypted_block_info.tracking_info)); | |
| 625 return; | |
| 626 } | |
| 627 | |
| 628 default: | |
| 629 PP_NOTREACHED(); | |
| 630 return; | |
| 631 } | |
| 632 } | |
| 633 | |
| 634 cdm::Buffer* CdmAdapter::Allocate(uint32_t capacity) { | |
| 635 return allocator_.Allocate(capacity); | |
| 636 } | |
| 637 | |
| 638 void CdmAdapter::SetTimer(int64_t delay_ms, void* context) { | |
| 639 // NOTE: doesn't really need to run on the main thread; could just as well run | |
| 640 // on a helper thread if |cdm_| were thread-friendly and care was taken. We | |
| 641 // only use CallOnMainThread() here to get delayed-execution behavior. | |
| 642 pp::Module::Get()->core()->CallOnMainThread( | |
| 643 delay_ms, | |
| 644 callback_factory_.NewCallback(&CdmAdapter::TimerExpired, context), | |
| 645 PP_OK); | |
| 646 } | |
| 647 | |
| 648 void CdmAdapter::TimerExpired(int32_t result, void* context) { | |
| 649 PP_DCHECK(result == PP_OK); | |
| 650 cdm_->TimerExpired(context); | |
| 651 } | |
| 652 | |
| 653 cdm::Time CdmAdapter::GetCurrentWallTime() { | |
| 654 return pp::Module::Get()->core()->GetTime(); | |
| 655 } | |
| 656 | |
| 657 void CdmAdapter::OnResolveNewSessionPromise(uint32_t promise_id, | |
| 658 const char* session_id, | |
| 659 uint32_t session_id_size) { | |
| 660 PostOnMain(callback_factory_.NewCallback( | |
| 661 &CdmAdapter::SendPromiseResolvedWithSessionInternal, promise_id, | |
| 662 std::string(session_id, session_id_size))); | |
| 663 } | |
| 664 | |
| 665 void CdmAdapter::OnResolvePromise(uint32_t promise_id) { | |
| 666 PostOnMain(callback_factory_.NewCallback( | |
| 667 &CdmAdapter::SendPromiseResolvedInternal, promise_id)); | |
| 668 } | |
| 669 | |
| 670 void CdmAdapter::OnRejectPromise(uint32_t promise_id, | |
| 671 cdm::Error error, | |
| 672 uint32_t system_code, | |
| 673 const char* error_message, | |
| 674 uint32_t error_message_size) { | |
| 675 // UMA to investigate http://crbug.com/410630 | |
| 676 // TODO(xhwang): Remove after bug is fixed. | |
| 677 if (system_code == 0x27) { | |
| 678 pp::UMAPrivate uma_interface(this); | |
| 679 uma_interface.HistogramCustomCounts("Media.EME.CdmFileIO.FileSizeKBOnError", | |
| 680 last_read_file_size_kb_, | |
| 681 kSizeKBMin, | |
| 682 kSizeKBMax, | |
| 683 kSizeKBBuckets); | |
| 684 } | |
| 685 | |
| 686 RejectPromise(promise_id, error, system_code, | |
| 687 std::string(error_message, error_message_size)); | |
| 688 } | |
| 689 | |
| 690 void CdmAdapter::RejectPromise(uint32_t promise_id, | |
| 691 cdm::Error error, | |
| 692 uint32_t system_code, | |
| 693 const std::string& error_message) { | |
| 694 PostOnMain(callback_factory_.NewCallback( | |
| 695 &CdmAdapter::SendPromiseRejectedInternal, | |
| 696 promise_id, | |
| 697 SessionError(error, system_code, error_message))); | |
| 698 } | |
| 699 | |
| 700 void CdmAdapter::OnSessionMessage(const char* session_id, | |
| 701 uint32_t session_id_size, | |
| 702 cdm::MessageType message_type, | |
| 703 const char* message, | |
| 704 uint32_t message_size, | |
| 705 const char* legacy_destination_url, | |
| 706 uint32_t legacy_destination_url_size) { | |
| 707 // License requests should not specify |legacy_destination_url|. | |
| 708 // |legacy_destination_url| is not passed to unprefixed EME applications, | |
| 709 // so it can be removed when the prefixed API is removed. | |
| 710 PP_DCHECK(legacy_destination_url_size == 0 || | |
| 711 message_type != cdm::MessageType::kLicenseRequest); | |
| 712 | |
| 713 PostOnMain(callback_factory_.NewCallback( | |
| 714 &CdmAdapter::SendSessionMessageInternal, | |
| 715 SessionMessage( | |
| 716 std::string(session_id, session_id_size), message_type, message, | |
| 717 message_size, | |
| 718 std::string(legacy_destination_url, legacy_destination_url_size)))); | |
| 719 } | |
| 720 | |
| 721 void CdmAdapter::OnSessionKeysChange(const char* session_id, | |
| 722 uint32_t session_id_size, | |
| 723 bool has_additional_usable_key, | |
| 724 const cdm::KeyInformation* keys_info, | |
| 725 uint32_t keys_info_count) { | |
| 726 std::vector<PP_KeyInformation> key_information; | |
| 727 for (uint32_t i = 0; i < keys_info_count; ++i) { | |
| 728 const auto& key_info = keys_info[i]; | |
| 729 PP_KeyInformation next_key = {}; | |
| 730 | |
| 731 if (key_info.key_id_size > sizeof(next_key.key_id)) { | |
| 732 PP_NOTREACHED(); | |
| 733 continue; | |
| 734 } | |
| 735 | |
| 736 // Copy key_id into |next_key|. | |
| 737 memcpy(next_key.key_id, key_info.key_id, key_info.key_id_size); | |
| 738 | |
| 739 // Set remaining fields on |next_key|. | |
| 740 next_key.key_id_size = key_info.key_id_size; | |
| 741 next_key.key_status = CdmKeyStatusToPpKeyStatus(key_info.status); | |
| 742 next_key.system_code = key_info.system_code; | |
| 743 key_information.push_back(next_key); | |
| 744 } | |
| 745 | |
| 746 PostOnMain(callback_factory_.NewCallback( | |
| 747 &CdmAdapter::SendSessionKeysChangeInternal, | |
| 748 std::string(session_id, session_id_size), has_additional_usable_key, | |
| 749 key_information)); | |
| 750 } | |
| 751 | |
| 752 void CdmAdapter::OnExpirationChange(const char* session_id, | |
| 753 uint32_t session_id_size, | |
| 754 cdm::Time new_expiry_time) { | |
| 755 PostOnMain(callback_factory_.NewCallback( | |
| 756 &CdmAdapter::SendExpirationChangeInternal, | |
| 757 std::string(session_id, session_id_size), new_expiry_time)); | |
| 758 } | |
| 759 | |
| 760 void CdmAdapter::OnSessionClosed(const char* session_id, | |
| 761 uint32_t session_id_size) { | |
| 762 PostOnMain( | |
| 763 callback_factory_.NewCallback(&CdmAdapter::SendSessionClosedInternal, | |
| 764 std::string(session_id, session_id_size))); | |
| 765 } | |
| 766 | |
| 767 void CdmAdapter::OnLegacySessionError(const char* session_id, | |
| 768 uint32_t session_id_size, | |
| 769 cdm::Error error, | |
| 770 uint32_t system_code, | |
| 771 const char* error_message, | |
| 772 uint32_t error_message_size) { | |
| 773 PostOnMain(callback_factory_.NewCallback( | |
| 774 &CdmAdapter::SendSessionErrorInternal, | |
| 775 std::string(session_id, session_id_size), | |
| 776 SessionError(error, system_code, | |
| 777 std::string(error_message, error_message_size)))); | |
| 778 } | |
| 779 | |
| 780 // Helpers to pass the event to Pepper. | |
| 781 | |
| 782 void CdmAdapter::SendPromiseResolvedInternal(int32_t result, | |
| 783 uint32_t promise_id) { | |
| 784 PP_DCHECK(result == PP_OK); | |
| 785 pp::ContentDecryptor_Private::PromiseResolved(promise_id); | |
| 786 } | |
| 787 | |
| 788 void CdmAdapter::SendPromiseResolvedWithSessionInternal( | |
| 789 int32_t result, | |
| 790 uint32_t promise_id, | |
| 791 const std::string& session_id) { | |
| 792 PP_DCHECK(result == PP_OK); | |
| 793 pp::ContentDecryptor_Private::PromiseResolvedWithSession(promise_id, | |
| 794 session_id); | |
| 795 } | |
| 796 | |
| 797 void CdmAdapter::SendPromiseRejectedInternal(int32_t result, | |
| 798 uint32_t promise_id, | |
| 799 const SessionError& error) { | |
| 800 PP_DCHECK(result == PP_OK); | |
| 801 pp::ContentDecryptor_Private::PromiseRejected( | |
| 802 promise_id, | |
| 803 CdmExceptionTypeToPpCdmExceptionType(error.error), | |
| 804 error.system_code, | |
| 805 error.error_description); | |
| 806 } | |
| 807 | |
| 808 void CdmAdapter::SendSessionMessageInternal(int32_t result, | |
| 809 const SessionMessage& message) { | |
| 810 PP_DCHECK(result == PP_OK); | |
| 811 | |
| 812 pp::VarArrayBuffer message_array_buffer(message.message.size()); | |
| 813 if (message.message.size() > 0) { | |
| 814 memcpy(message_array_buffer.Map(), message.message.data(), | |
| 815 message.message.size()); | |
| 816 } | |
| 817 | |
| 818 pp::ContentDecryptor_Private::SessionMessage( | |
| 819 message.session_id, CdmMessageTypeToPpMessageType(message.message_type), | |
| 820 message_array_buffer, message.legacy_destination_url); | |
| 821 } | |
| 822 | |
| 823 void CdmAdapter::SendSessionClosedInternal(int32_t result, | |
| 824 const std::string& session_id) { | |
| 825 PP_DCHECK(result == PP_OK); | |
| 826 pp::ContentDecryptor_Private::SessionClosed(session_id); | |
| 827 } | |
| 828 | |
| 829 void CdmAdapter::SendSessionErrorInternal(int32_t result, | |
| 830 const std::string& session_id, | |
| 831 const SessionError& error) { | |
| 832 PP_DCHECK(result == PP_OK); | |
| 833 pp::ContentDecryptor_Private::LegacySessionError( | |
| 834 session_id, CdmExceptionTypeToPpCdmExceptionType(error.error), | |
| 835 error.system_code, error.error_description); | |
| 836 } | |
| 837 | |
| 838 void CdmAdapter::SendSessionKeysChangeInternal( | |
| 839 int32_t result, | |
| 840 const std::string& session_id, | |
| 841 bool has_additional_usable_key, | |
| 842 const std::vector<PP_KeyInformation>& key_info) { | |
| 843 PP_DCHECK(result == PP_OK); | |
| 844 pp::ContentDecryptor_Private::SessionKeysChange( | |
| 845 session_id, has_additional_usable_key, key_info); | |
| 846 } | |
| 847 | |
| 848 void CdmAdapter::SendExpirationChangeInternal(int32_t result, | |
| 849 const std::string& session_id, | |
| 850 cdm::Time new_expiry_time) { | |
| 851 PP_DCHECK(result == PP_OK); | |
| 852 pp::ContentDecryptor_Private::SessionExpirationChange(session_id, | |
| 853 new_expiry_time); | |
| 854 } | |
| 855 | |
| 856 void CdmAdapter::DeliverBlock(int32_t result, | |
| 857 const cdm::Status& status, | |
| 858 const LinkedDecryptedBlock& decrypted_block, | |
| 859 const PP_DecryptTrackingInfo& tracking_info) { | |
| 860 PP_DCHECK(result == PP_OK); | |
| 861 PP_DecryptedBlockInfo decrypted_block_info = {}; | |
| 862 decrypted_block_info.tracking_info = tracking_info; | |
| 863 decrypted_block_info.tracking_info.timestamp = decrypted_block->Timestamp(); | |
| 864 decrypted_block_info.tracking_info.buffer_id = 0; | |
| 865 decrypted_block_info.data_size = 0; | |
| 866 decrypted_block_info.result = CdmStatusToPpDecryptResult(status); | |
| 867 | |
| 868 pp::Buffer_Dev buffer; | |
| 869 | |
| 870 if (decrypted_block_info.result == PP_DECRYPTRESULT_SUCCESS) { | |
| 871 PP_DCHECK(decrypted_block.get() && decrypted_block->DecryptedBuffer()); | |
| 872 if (!decrypted_block.get() || !decrypted_block->DecryptedBuffer()) { | |
| 873 PP_NOTREACHED(); | |
| 874 decrypted_block_info.result = PP_DECRYPTRESULT_DECRYPT_ERROR; | |
| 875 } else { | |
| 876 PpbBuffer* ppb_buffer = | |
| 877 static_cast<PpbBuffer*>(decrypted_block->DecryptedBuffer()); | |
| 878 decrypted_block_info.tracking_info.buffer_id = ppb_buffer->buffer_id(); | |
| 879 decrypted_block_info.data_size = ppb_buffer->Size(); | |
| 880 | |
| 881 buffer = ppb_buffer->TakeBuffer(); | |
| 882 } | |
| 883 } | |
| 884 | |
| 885 pp::ContentDecryptor_Private::DeliverBlock(buffer, decrypted_block_info); | |
| 886 } | |
| 887 | |
| 888 void CdmAdapter::DecoderInitializeDone(int32_t result, | |
| 889 PP_DecryptorStreamType decoder_type, | |
| 890 uint32_t request_id, | |
| 891 bool success) { | |
| 892 PP_DCHECK(result == PP_OK); | |
| 893 pp::ContentDecryptor_Private::DecoderInitializeDone(decoder_type, | |
| 894 request_id, | |
| 895 success); | |
| 896 } | |
| 897 | |
| 898 void CdmAdapter::DecoderDeinitializeDone(int32_t result, | |
| 899 PP_DecryptorStreamType decoder_type, | |
| 900 uint32_t request_id) { | |
| 901 pp::ContentDecryptor_Private::DecoderDeinitializeDone(decoder_type, | |
| 902 request_id); | |
| 903 } | |
| 904 | |
| 905 void CdmAdapter::DecoderResetDone(int32_t result, | |
| 906 PP_DecryptorStreamType decoder_type, | |
| 907 uint32_t request_id) { | |
| 908 pp::ContentDecryptor_Private::DecoderResetDone(decoder_type, request_id); | |
| 909 } | |
| 910 | |
| 911 void CdmAdapter::DeliverFrame( | |
| 912 int32_t result, | |
| 913 const cdm::Status& status, | |
| 914 const LinkedVideoFrame& video_frame, | |
| 915 const PP_DecryptTrackingInfo& tracking_info) { | |
| 916 PP_DCHECK(result == PP_OK); | |
| 917 PP_DecryptedFrameInfo decrypted_frame_info = {}; | |
| 918 decrypted_frame_info.tracking_info.request_id = tracking_info.request_id; | |
| 919 decrypted_frame_info.tracking_info.buffer_id = 0; | |
| 920 decrypted_frame_info.result = CdmStatusToPpDecryptResult(status); | |
| 921 | |
| 922 pp::Buffer_Dev buffer; | |
| 923 | |
| 924 if (decrypted_frame_info.result == PP_DECRYPTRESULT_SUCCESS) { | |
| 925 if (!IsValidVideoFrame(video_frame)) { | |
| 926 PP_NOTREACHED(); | |
| 927 decrypted_frame_info.result = PP_DECRYPTRESULT_DECODE_ERROR; | |
| 928 } else { | |
| 929 PpbBuffer* ppb_buffer = | |
| 930 static_cast<PpbBuffer*>(video_frame->FrameBuffer()); | |
| 931 | |
| 932 decrypted_frame_info.tracking_info.timestamp = video_frame->Timestamp(); | |
| 933 decrypted_frame_info.tracking_info.buffer_id = ppb_buffer->buffer_id(); | |
| 934 decrypted_frame_info.format = | |
| 935 CdmVideoFormatToPpDecryptedFrameFormat(video_frame->Format()); | |
| 936 decrypted_frame_info.width = video_frame->Size().width; | |
| 937 decrypted_frame_info.height = video_frame->Size().height; | |
| 938 decrypted_frame_info.plane_offsets[PP_DECRYPTEDFRAMEPLANES_Y] = | |
| 939 video_frame->PlaneOffset(cdm::VideoFrame::kYPlane); | |
| 940 decrypted_frame_info.plane_offsets[PP_DECRYPTEDFRAMEPLANES_U] = | |
| 941 video_frame->PlaneOffset(cdm::VideoFrame::kUPlane); | |
| 942 decrypted_frame_info.plane_offsets[PP_DECRYPTEDFRAMEPLANES_V] = | |
| 943 video_frame->PlaneOffset(cdm::VideoFrame::kVPlane); | |
| 944 decrypted_frame_info.strides[PP_DECRYPTEDFRAMEPLANES_Y] = | |
| 945 video_frame->Stride(cdm::VideoFrame::kYPlane); | |
| 946 decrypted_frame_info.strides[PP_DECRYPTEDFRAMEPLANES_U] = | |
| 947 video_frame->Stride(cdm::VideoFrame::kUPlane); | |
| 948 decrypted_frame_info.strides[PP_DECRYPTEDFRAMEPLANES_V] = | |
| 949 video_frame->Stride(cdm::VideoFrame::kVPlane); | |
| 950 | |
| 951 buffer = ppb_buffer->TakeBuffer(); | |
| 952 } | |
| 953 } | |
| 954 | |
| 955 pp::ContentDecryptor_Private::DeliverFrame(buffer, decrypted_frame_info); | |
| 956 } | |
| 957 | |
| 958 void CdmAdapter::DeliverSamples(int32_t result, | |
| 959 const cdm::Status& status, | |
| 960 const LinkedAudioFrames& audio_frames, | |
| 961 const PP_DecryptTrackingInfo& tracking_info) { | |
| 962 PP_DCHECK(result == PP_OK); | |
| 963 | |
| 964 PP_DecryptedSampleInfo decrypted_sample_info = {}; | |
| 965 decrypted_sample_info.tracking_info = tracking_info; | |
| 966 decrypted_sample_info.tracking_info.timestamp = 0; | |
| 967 decrypted_sample_info.tracking_info.buffer_id = 0; | |
| 968 decrypted_sample_info.data_size = 0; | |
| 969 decrypted_sample_info.result = CdmStatusToPpDecryptResult(status); | |
| 970 | |
| 971 pp::Buffer_Dev buffer; | |
| 972 | |
| 973 if (decrypted_sample_info.result == PP_DECRYPTRESULT_SUCCESS) { | |
| 974 PP_DCHECK(audio_frames.get() && audio_frames->FrameBuffer()); | |
| 975 if (!audio_frames.get() || !audio_frames->FrameBuffer()) { | |
| 976 PP_NOTREACHED(); | |
| 977 decrypted_sample_info.result = PP_DECRYPTRESULT_DECRYPT_ERROR; | |
| 978 } else { | |
| 979 PpbBuffer* ppb_buffer = | |
| 980 static_cast<PpbBuffer*>(audio_frames->FrameBuffer()); | |
| 981 | |
| 982 decrypted_sample_info.tracking_info.buffer_id = ppb_buffer->buffer_id(); | |
| 983 decrypted_sample_info.data_size = ppb_buffer->Size(); | |
| 984 decrypted_sample_info.format = | |
| 985 CdmAudioFormatToPpDecryptedSampleFormat(audio_frames->Format()); | |
| 986 | |
| 987 buffer = ppb_buffer->TakeBuffer(); | |
| 988 } | |
| 989 } | |
| 990 | |
| 991 pp::ContentDecryptor_Private::DeliverSamples(buffer, decrypted_sample_info); | |
| 992 } | |
| 993 | |
| 994 bool CdmAdapter::IsValidVideoFrame(const LinkedVideoFrame& video_frame) { | |
| 995 if (!video_frame.get() || | |
| 996 !video_frame->FrameBuffer() || | |
| 997 (video_frame->Format() != cdm::kI420 && | |
| 998 video_frame->Format() != cdm::kYv12)) { | |
| 999 CDM_DLOG() << "Invalid video frame!"; | |
| 1000 return false; | |
| 1001 } | |
| 1002 | |
| 1003 PpbBuffer* ppb_buffer = static_cast<PpbBuffer*>(video_frame->FrameBuffer()); | |
| 1004 | |
| 1005 for (uint32_t i = 0; i < cdm::VideoFrame::kMaxPlanes; ++i) { | |
| 1006 int plane_height = (i == cdm::VideoFrame::kYPlane) ? | |
| 1007 video_frame->Size().height : (video_frame->Size().height + 1) / 2; | |
| 1008 cdm::VideoFrame::VideoPlane plane = | |
| 1009 static_cast<cdm::VideoFrame::VideoPlane>(i); | |
| 1010 if (ppb_buffer->Size() < video_frame->PlaneOffset(plane) + | |
| 1011 plane_height * video_frame->Stride(plane)) { | |
| 1012 return false; | |
| 1013 } | |
| 1014 } | |
| 1015 | |
| 1016 return true; | |
| 1017 } | |
| 1018 | |
| 1019 void CdmAdapter::OnFirstFileRead(int32_t file_size_bytes) { | |
| 1020 PP_DCHECK(IsMainThread()); | |
| 1021 PP_DCHECK(file_size_bytes >= 0); | |
| 1022 | |
| 1023 last_read_file_size_kb_ = file_size_bytes / 1024; | |
| 1024 | |
| 1025 if (file_size_uma_reported_) | |
| 1026 return; | |
| 1027 | |
| 1028 pp::UMAPrivate uma_interface(this); | |
| 1029 uma_interface.HistogramCustomCounts( | |
| 1030 "Media.EME.CdmFileIO.FileSizeKBOnFirstRead", | |
| 1031 last_read_file_size_kb_, | |
| 1032 kSizeKBMin, | |
| 1033 kSizeKBMax, | |
| 1034 kSizeKBBuckets); | |
| 1035 file_size_uma_reported_ = true; | |
| 1036 } | |
| 1037 | |
| 1038 #if !defined(NDEBUG) | |
| 1039 void CdmAdapter::LogToConsole(const pp::Var& value) { | |
| 1040 PP_DCHECK(IsMainThread()); | |
| 1041 const PPB_Console* console = reinterpret_cast<const PPB_Console*>( | |
| 1042 pp::Module::Get()->GetBrowserInterface(PPB_CONSOLE_INTERFACE)); | |
| 1043 console->Log(pp_instance(), PP_LOGLEVEL_LOG, value.pp_var()); | |
| 1044 } | |
| 1045 #endif // !defined(NDEBUG) | |
| 1046 | |
| 1047 void CdmAdapter::SendPlatformChallenge(const char* service_id, | |
| 1048 uint32_t service_id_size, | |
| 1049 const char* challenge, | |
| 1050 uint32_t challenge_size) { | |
| 1051 #if defined(OS_CHROMEOS) | |
| 1052 // If access to a distinctive identifier is not allowed, block platform | |
| 1053 // verification to prevent access to such an identifier. | |
| 1054 if (allow_distinctive_identifier_) { | |
| 1055 pp::VarArrayBuffer challenge_var(challenge_size); | |
| 1056 uint8_t* var_data = static_cast<uint8_t*>(challenge_var.Map()); | |
| 1057 memcpy(var_data, challenge, challenge_size); | |
| 1058 | |
| 1059 std::string service_id_str(service_id, service_id_size); | |
| 1060 | |
| 1061 linked_ptr<PepperPlatformChallengeResponse> response( | |
| 1062 new PepperPlatformChallengeResponse()); | |
| 1063 | |
| 1064 int32_t result = platform_verification_.ChallengePlatform( | |
| 1065 pp::Var(service_id_str), | |
| 1066 challenge_var, | |
| 1067 &response->signed_data, | |
| 1068 &response->signed_data_signature, | |
| 1069 &response->platform_key_certificate, | |
| 1070 callback_factory_.NewCallback(&CdmAdapter::SendPlatformChallengeDone, | |
| 1071 response)); | |
| 1072 challenge_var.Unmap(); | |
| 1073 if (result == PP_OK_COMPLETIONPENDING) | |
| 1074 return; | |
| 1075 | |
| 1076 // Fall through on error and issue an empty OnPlatformChallengeResponse(). | |
| 1077 PP_DCHECK(result != PP_OK); | |
| 1078 } | |
| 1079 #endif | |
| 1080 | |
| 1081 cdm::PlatformChallengeResponse platform_challenge_response = {}; | |
| 1082 cdm_->OnPlatformChallengeResponse(platform_challenge_response); | |
| 1083 } | |
| 1084 | |
| 1085 void CdmAdapter::EnableOutputProtection(uint32_t desired_protection_mask) { | |
| 1086 #if defined(OS_CHROMEOS) | |
| 1087 int32_t result = output_protection_.EnableProtection( | |
| 1088 desired_protection_mask, callback_factory_.NewCallback( | |
| 1089 &CdmAdapter::EnableProtectionDone)); | |
| 1090 | |
| 1091 // Errors are ignored since clients must call QueryOutputProtectionStatus() to | |
| 1092 // inspect the protection status on a regular basis. | |
| 1093 | |
| 1094 if (result != PP_OK && result != PP_OK_COMPLETIONPENDING) | |
| 1095 CDM_DLOG() << __FUNCTION__ << " failed!"; | |
| 1096 #endif | |
| 1097 } | |
| 1098 | |
| 1099 void CdmAdapter::QueryOutputProtectionStatus() { | |
| 1100 #if defined(OS_CHROMEOS) | |
| 1101 PP_DCHECK(!query_output_protection_in_progress_); | |
| 1102 | |
| 1103 output_link_mask_ = output_protection_mask_ = 0; | |
| 1104 const int32_t result = output_protection_.QueryStatus( | |
| 1105 &output_link_mask_, | |
| 1106 &output_protection_mask_, | |
| 1107 callback_factory_.NewCallback( | |
| 1108 &CdmAdapter::QueryOutputProtectionStatusDone)); | |
| 1109 if (result == PP_OK_COMPLETIONPENDING) { | |
| 1110 query_output_protection_in_progress_ = true; | |
| 1111 ReportOutputProtectionQuery(); | |
| 1112 return; | |
| 1113 } | |
| 1114 | |
| 1115 // Fall through on error and issue an empty OnQueryOutputProtectionStatus(). | |
| 1116 PP_DCHECK(result != PP_OK); | |
| 1117 CDM_DLOG() << __FUNCTION__ << " failed, result = " << result; | |
| 1118 #endif | |
| 1119 cdm_->OnQueryOutputProtectionStatus(cdm::kQueryFailed, 0, 0); | |
| 1120 } | |
| 1121 | |
| 1122 void CdmAdapter::OnDeferredInitializationDone(cdm::StreamType stream_type, | |
| 1123 cdm::Status decoder_status) { | |
| 1124 switch (stream_type) { | |
| 1125 case cdm::kStreamTypeAudio: | |
| 1126 PP_DCHECK(deferred_initialize_audio_decoder_); | |
| 1127 CallOnMain( | |
| 1128 callback_factory_.NewCallback(&CdmAdapter::DecoderInitializeDone, | |
| 1129 PP_DECRYPTORSTREAMTYPE_AUDIO, | |
| 1130 deferred_audio_decoder_config_id_, | |
| 1131 decoder_status == cdm::kSuccess)); | |
| 1132 deferred_initialize_audio_decoder_ = false; | |
| 1133 deferred_audio_decoder_config_id_ = 0; | |
| 1134 break; | |
| 1135 case cdm::kStreamTypeVideo: | |
| 1136 PP_DCHECK(deferred_initialize_video_decoder_); | |
| 1137 CallOnMain( | |
| 1138 callback_factory_.NewCallback(&CdmAdapter::DecoderInitializeDone, | |
| 1139 PP_DECRYPTORSTREAMTYPE_VIDEO, | |
| 1140 deferred_video_decoder_config_id_, | |
| 1141 decoder_status == cdm::kSuccess)); | |
| 1142 deferred_initialize_video_decoder_ = false; | |
| 1143 deferred_video_decoder_config_id_ = 0; | |
| 1144 break; | |
| 1145 } | |
| 1146 } | |
| 1147 | |
| 1148 // The CDM owns the returned object and must call FileIO::Close() to release it. | |
| 1149 cdm::FileIO* CdmAdapter::CreateFileIO(cdm::FileIOClient* client) { | |
| 1150 if (!allow_persistent_state_) { | |
| 1151 CDM_DLOG() | |
| 1152 << "Cannot create FileIO because persistent state is not allowed."; | |
| 1153 return nullptr; | |
| 1154 } | |
| 1155 | |
| 1156 return new CdmFileIOImpl( | |
| 1157 client, pp_instance(), | |
| 1158 callback_factory_.NewCallback(&CdmAdapter::OnFirstFileRead)); | |
| 1159 } | |
| 1160 | |
| 1161 #if defined(OS_CHROMEOS) | |
| 1162 void CdmAdapter::ReportOutputProtectionUMA(OutputProtectionStatus status) { | |
| 1163 pp::UMAPrivate uma_interface(this); | |
| 1164 uma_interface.HistogramEnumeration( | |
| 1165 "Media.EME.OutputProtection", status, OUTPUT_PROTECTION_MAX); | |
| 1166 } | |
| 1167 | |
| 1168 void CdmAdapter::ReportOutputProtectionQuery() { | |
| 1169 if (uma_for_output_protection_query_reported_) | |
| 1170 return; | |
| 1171 | |
| 1172 ReportOutputProtectionUMA(OUTPUT_PROTECTION_QUERIED); | |
| 1173 uma_for_output_protection_query_reported_ = true; | |
| 1174 } | |
| 1175 | |
| 1176 void CdmAdapter::ReportOutputProtectionQueryResult() { | |
| 1177 if (uma_for_output_protection_positive_result_reported_) | |
| 1178 return; | |
| 1179 | |
| 1180 // Report UMAs for output protection query result. | |
| 1181 uint32_t external_links = (output_link_mask_ & ~cdm::kLinkTypeInternal); | |
| 1182 | |
| 1183 if (!external_links) { | |
| 1184 ReportOutputProtectionUMA(OUTPUT_PROTECTION_NO_EXTERNAL_LINK); | |
| 1185 uma_for_output_protection_positive_result_reported_ = true; | |
| 1186 return; | |
| 1187 } | |
| 1188 | |
| 1189 const uint32_t kProtectableLinks = | |
| 1190 cdm::kLinkTypeHDMI | cdm::kLinkTypeDVI | cdm::kLinkTypeDisplayPort; | |
| 1191 bool is_unprotectable_link_connected = external_links & ~kProtectableLinks; | |
| 1192 bool is_hdcp_enabled_on_all_protectable_links = | |
| 1193 output_protection_mask_ & cdm::kProtectionHDCP; | |
| 1194 | |
| 1195 if (!is_unprotectable_link_connected && | |
| 1196 is_hdcp_enabled_on_all_protectable_links) { | |
| 1197 ReportOutputProtectionUMA( | |
| 1198 OUTPUT_PROTECTION_ALL_EXTERNAL_LINKS_PROTECTED); | |
| 1199 uma_for_output_protection_positive_result_reported_ = true; | |
| 1200 return; | |
| 1201 } | |
| 1202 | |
| 1203 // Do not report a negative result because it could be a false negative. | |
| 1204 // Instead, we will calculate number of negatives using the total number of | |
| 1205 // queries and success results. | |
| 1206 } | |
| 1207 | |
| 1208 void CdmAdapter::SendPlatformChallengeDone( | |
| 1209 int32_t result, | |
| 1210 const linked_ptr<PepperPlatformChallengeResponse>& response) { | |
| 1211 if (result != PP_OK) { | |
| 1212 CDM_DLOG() << __FUNCTION__ << ": Platform challenge failed!"; | |
| 1213 cdm::PlatformChallengeResponse platform_challenge_response = {}; | |
| 1214 cdm_->OnPlatformChallengeResponse(platform_challenge_response); | |
| 1215 return; | |
| 1216 } | |
| 1217 | |
| 1218 pp::VarArrayBuffer signed_data_var(response->signed_data); | |
| 1219 pp::VarArrayBuffer signed_data_signature_var(response->signed_data_signature); | |
| 1220 std::string platform_key_certificate_string = | |
| 1221 response->platform_key_certificate.AsString(); | |
| 1222 | |
| 1223 cdm::PlatformChallengeResponse platform_challenge_response = { | |
| 1224 static_cast<uint8_t*>(signed_data_var.Map()), | |
| 1225 signed_data_var.ByteLength(), | |
| 1226 static_cast<uint8_t*>(signed_data_signature_var.Map()), | |
| 1227 signed_data_signature_var.ByteLength(), | |
| 1228 reinterpret_cast<const uint8_t*>(platform_key_certificate_string.data()), | |
| 1229 static_cast<uint32_t>(platform_key_certificate_string.length())}; | |
| 1230 cdm_->OnPlatformChallengeResponse(platform_challenge_response); | |
| 1231 | |
| 1232 signed_data_var.Unmap(); | |
| 1233 signed_data_signature_var.Unmap(); | |
| 1234 } | |
| 1235 | |
| 1236 void CdmAdapter::EnableProtectionDone(int32_t result) { | |
| 1237 // Does nothing since clients must call QueryOutputProtectionStatus() to | |
| 1238 // inspect the protection status on a regular basis. | |
| 1239 CDM_DLOG() << __FUNCTION__ << " : " << result; | |
| 1240 } | |
| 1241 | |
| 1242 void CdmAdapter::QueryOutputProtectionStatusDone(int32_t result) { | |
| 1243 PP_DCHECK(query_output_protection_in_progress_); | |
| 1244 query_output_protection_in_progress_ = false; | |
| 1245 | |
| 1246 // Return a query status of failed on error. | |
| 1247 cdm::QueryResult query_result; | |
| 1248 if (result != PP_OK) { | |
| 1249 CDM_DLOG() << __FUNCTION__ << " failed, result = " << result; | |
| 1250 output_link_mask_ = output_protection_mask_ = 0; | |
| 1251 query_result = cdm::kQueryFailed; | |
| 1252 } else { | |
| 1253 query_result = cdm::kQuerySucceeded; | |
| 1254 ReportOutputProtectionQueryResult(); | |
| 1255 } | |
| 1256 | |
| 1257 cdm_->OnQueryOutputProtectionStatus(query_result, output_link_mask_, | |
| 1258 output_protection_mask_); | |
| 1259 } | |
| 1260 #endif | |
| 1261 | |
| 1262 CdmAdapter::SessionError::SessionError(cdm::Error error, | |
| 1263 uint32_t system_code, | |
| 1264 const std::string& error_description) | |
| 1265 : error(error), | |
| 1266 system_code(system_code), | |
| 1267 error_description(error_description) { | |
| 1268 } | |
| 1269 | |
| 1270 CdmAdapter::SessionMessage::SessionMessage( | |
| 1271 const std::string& session_id, | |
| 1272 cdm::MessageType message_type, | |
| 1273 const char* message, | |
| 1274 uint32_t message_size, | |
| 1275 const std::string& legacy_destination_url) | |
| 1276 : session_id(session_id), | |
| 1277 message_type(message_type), | |
| 1278 message(message, message + message_size), | |
| 1279 legacy_destination_url(legacy_destination_url) { | |
| 1280 } | |
| 1281 | |
| 1282 void* GetCdmHost(int host_interface_version, void* user_data) { | |
| 1283 if (!host_interface_version || !user_data) | |
| 1284 return NULL; | |
| 1285 | |
| 1286 static_assert( | |
| 1287 cdm::ContentDecryptionModule::Host::kVersion == cdm::Host_8::kVersion, | |
| 1288 "update the code below"); | |
| 1289 | |
| 1290 // Ensure IsSupportedCdmHostVersion matches implementation of this function. | |
| 1291 // Always update this DCHECK when updating this function. | |
| 1292 // If this check fails, update this function and DCHECK or update | |
| 1293 // IsSupportedCdmHostVersion. | |
| 1294 | |
| 1295 PP_DCHECK( | |
| 1296 // Future version is not supported. | |
| 1297 !IsSupportedCdmHostVersion(cdm::Host_8::kVersion + 1) && | |
| 1298 // Current version is supported. | |
| 1299 IsSupportedCdmHostVersion(cdm::Host_8::kVersion) && | |
| 1300 // Include all previous supported versions (if any) here. | |
| 1301 IsSupportedCdmHostVersion(cdm::Host_7::kVersion) && | |
| 1302 // One older than the oldest supported version is not supported. | |
| 1303 !IsSupportedCdmHostVersion(cdm::Host_7::kVersion - 1)); | |
| 1304 PP_DCHECK(IsSupportedCdmHostVersion(host_interface_version)); | |
| 1305 | |
| 1306 CdmAdapter* cdm_adapter = static_cast<CdmAdapter*>(user_data); | |
| 1307 CDM_DLOG() << "Create CDM Host with version " << host_interface_version; | |
| 1308 switch (host_interface_version) { | |
| 1309 case cdm::Host_8::kVersion: | |
| 1310 return static_cast<cdm::Host_8*>(cdm_adapter); | |
| 1311 case cdm::Host_7::kVersion: | |
| 1312 return static_cast<cdm::Host_7*>(cdm_adapter); | |
| 1313 default: | |
| 1314 PP_NOTREACHED(); | |
| 1315 return NULL; | |
| 1316 } | |
| 1317 } | |
| 1318 | |
| 1319 // This object is the global object representing this plugin library as long | |
| 1320 // as it is loaded. | |
| 1321 class CdmAdapterModule : public pp::Module { | |
| 1322 public: | |
| 1323 CdmAdapterModule() : pp::Module() { | |
| 1324 // This function blocks the renderer thread (PluginInstance::Initialize()). | |
| 1325 // Move this call to other places if this may be a concern in the future. | |
| 1326 INITIALIZE_CDM_MODULE(); | |
| 1327 } | |
| 1328 virtual ~CdmAdapterModule() { | |
| 1329 DeinitializeCdmModule(); | |
| 1330 } | |
| 1331 | |
| 1332 virtual pp::Instance* CreateInstance(PP_Instance instance) { | |
| 1333 return new CdmAdapter(instance, this); | |
| 1334 } | |
| 1335 | |
| 1336 private: | |
| 1337 CdmFileIOImpl::ResourceTracker cdm_file_io_impl_resource_tracker; | |
| 1338 }; | |
| 1339 | |
| 1340 } // namespace media | |
| 1341 | |
| 1342 namespace pp { | |
| 1343 | |
| 1344 // Factory function for your specialization of the Module object. | |
| 1345 Module* CreateModule() { | |
| 1346 return new media::CdmAdapterModule(); | |
| 1347 } | |
| 1348 | |
| 1349 } // namespace pp | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1402413005:
Rename cdm_adapter to ppapi_cdm_adapter (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master