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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 | |
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