| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "media/cdm/ppapi/cdm_adapter.h" |
| |
| #include "media/cdm/ppapi/cdm_helpers.h" |
| |
| #if defined(CHECK_DOCUMENT_URL) |
| #include "ppapi/cpp/dev/url_util_dev.h" |
| #include "ppapi/cpp/instance_handle.h" |
| #endif // defined(CHECK_DOCUMENT_URL) |
| |
| namespace { |
| |
| bool IsMainThread() { |
| return pp::Module::Get()->core()->IsMainThread(); |
| } |
| |
| // Posts a task to run |cb| on the main thread. The task is posted even if the |
| // current thread is the main thread. |
| void PostOnMain(pp::CompletionCallback cb) { |
| pp::Module::Get()->core()->CallOnMainThread(0, cb, PP_OK); |
| } |
| |
| // Ensures |cb| is called on the main thread, either because the current thread |
| // is the main thread or by posting it to the main thread. |
| void CallOnMain(pp::CompletionCallback cb) { |
| // TODO(tomfinegan): This is only necessary because PPAPI doesn't allow calls |
| // off the main thread yet. Remove this once the change lands. |
| if (IsMainThread()) |
| cb.Run(PP_OK); |
| else |
| PostOnMain(cb); |
| } |
| |
| // Configures a cdm::InputBuffer. |subsamples| must exist as long as |
| // |input_buffer| is in use. |
| void ConfigureInputBuffer( |
| const pp::Buffer_Dev& encrypted_buffer, |
| const PP_EncryptedBlockInfo& encrypted_block_info, |
| std::vector<cdm::SubsampleEntry>* subsamples, |
| cdm::InputBuffer* input_buffer) { |
| PP_DCHECK(subsamples); |
| PP_DCHECK(!encrypted_buffer.is_null()); |
| |
| input_buffer->data = static_cast<uint8_t*>(encrypted_buffer.data()); |
| input_buffer->data_size = encrypted_block_info.data_size; |
| PP_DCHECK(encrypted_buffer.size() >= input_buffer->data_size); |
| input_buffer->data_offset = encrypted_block_info.data_offset; |
| |
| PP_DCHECK(encrypted_block_info.key_id_size <= |
| arraysize(encrypted_block_info.key_id)); |
| input_buffer->key_id_size = encrypted_block_info.key_id_size; |
| input_buffer->key_id = input_buffer->key_id_size > 0 ? |
| encrypted_block_info.key_id : NULL; |
| |
| PP_DCHECK(encrypted_block_info.iv_size <= arraysize(encrypted_block_info.iv)); |
| input_buffer->iv_size = encrypted_block_info.iv_size; |
| input_buffer->iv = encrypted_block_info.iv_size > 0 ? |
| encrypted_block_info.iv : NULL; |
| |
| input_buffer->num_subsamples = encrypted_block_info.num_subsamples; |
| if (encrypted_block_info.num_subsamples > 0) { |
| subsamples->reserve(encrypted_block_info.num_subsamples); |
| |
| for (uint32_t i = 0; i < encrypted_block_info.num_subsamples; ++i) { |
| subsamples->push_back(cdm::SubsampleEntry( |
| encrypted_block_info.subsamples[i].clear_bytes, |
| encrypted_block_info.subsamples[i].cipher_bytes)); |
| } |
| |
| input_buffer->subsamples = &(*subsamples)[0]; |
| } |
| |
| input_buffer->timestamp = encrypted_block_info.tracking_info.timestamp; |
| } |
| |
| PP_DecryptResult CdmStatusToPpDecryptResult(cdm::Status status) { |
| switch (status) { |
| case cdm::kSuccess: |
| return PP_DECRYPTRESULT_SUCCESS; |
| case cdm::kNoKey: |
| return PP_DECRYPTRESULT_DECRYPT_NOKEY; |
| case cdm::kNeedMoreData: |
| return PP_DECRYPTRESULT_NEEDMOREDATA; |
| case cdm::kDecryptError: |
| return PP_DECRYPTRESULT_DECRYPT_ERROR; |
| case cdm::kDecodeError: |
| return PP_DECRYPTRESULT_DECODE_ERROR; |
| default: |
| PP_NOTREACHED(); |
| return PP_DECRYPTRESULT_DECODE_ERROR; |
| } |
| } |
| |
| PP_DecryptedFrameFormat CdmVideoFormatToPpDecryptedFrameFormat( |
| cdm::VideoFormat format) { |
| switch (format) { |
| case cdm::kYv12: |
| return PP_DECRYPTEDFRAMEFORMAT_YV12; |
| case cdm::kI420: |
| return PP_DECRYPTEDFRAMEFORMAT_I420; |
| default: |
| return PP_DECRYPTEDFRAMEFORMAT_UNKNOWN; |
| } |
| } |
| |
| PP_DecryptedSampleFormat CdmAudioFormatToPpDecryptedSampleFormat( |
| cdm::AudioFormat format) { |
| switch (format) { |
| case cdm::kAudioFormatU8: |
| return PP_DECRYPTEDSAMPLEFORMAT_U8; |
| case cdm::kAudioFormatS16: |
| return PP_DECRYPTEDSAMPLEFORMAT_S16; |
| case cdm::kAudioFormatS32: |
| return PP_DECRYPTEDSAMPLEFORMAT_S32; |
| case cdm::kAudioFormatF32: |
| return PP_DECRYPTEDSAMPLEFORMAT_F32; |
| case cdm::kAudioFormatPlanarS16: |
| return PP_DECRYPTEDSAMPLEFORMAT_PLANAR_S16; |
| case cdm::kAudioFormatPlanarF32: |
| return PP_DECRYPTEDSAMPLEFORMAT_PLANAR_F32; |
| default: |
| return PP_DECRYPTEDSAMPLEFORMAT_UNKNOWN; |
| } |
| } |
| |
| cdm::AudioDecoderConfig::AudioCodec PpAudioCodecToCdmAudioCodec( |
| PP_AudioCodec codec) { |
| switch (codec) { |
| case PP_AUDIOCODEC_VORBIS: |
| return cdm::AudioDecoderConfig::kCodecVorbis; |
| case PP_AUDIOCODEC_AAC: |
| return cdm::AudioDecoderConfig::kCodecAac; |
| default: |
| return cdm::AudioDecoderConfig::kUnknownAudioCodec; |
| } |
| } |
| |
| cdm::VideoDecoderConfig::VideoCodec PpVideoCodecToCdmVideoCodec( |
| PP_VideoCodec codec) { |
| switch (codec) { |
| case PP_VIDEOCODEC_VP8: |
| return cdm::VideoDecoderConfig::kCodecVp8; |
| case PP_VIDEOCODEC_H264: |
| return cdm::VideoDecoderConfig::kCodecH264; |
| default: |
| return cdm::VideoDecoderConfig::kUnknownVideoCodec; |
| } |
| } |
| |
| cdm::VideoDecoderConfig::VideoCodecProfile PpVCProfileToCdmVCProfile( |
| PP_VideoCodecProfile profile) { |
| switch (profile) { |
| case PP_VIDEOCODECPROFILE_VP8_MAIN: |
| return cdm::VideoDecoderConfig::kVp8ProfileMain; |
| case PP_VIDEOCODECPROFILE_H264_BASELINE: |
| return cdm::VideoDecoderConfig::kH264ProfileBaseline; |
| case PP_VIDEOCODECPROFILE_H264_MAIN: |
| return cdm::VideoDecoderConfig::kH264ProfileMain; |
| case PP_VIDEOCODECPROFILE_H264_EXTENDED: |
| return cdm::VideoDecoderConfig::kH264ProfileExtended; |
| case PP_VIDEOCODECPROFILE_H264_HIGH: |
| return cdm::VideoDecoderConfig::kH264ProfileHigh; |
| case PP_VIDEOCODECPROFILE_H264_HIGH_10: |
| return cdm::VideoDecoderConfig::kH264ProfileHigh10; |
| case PP_VIDEOCODECPROFILE_H264_HIGH_422: |
| return cdm::VideoDecoderConfig::kH264ProfileHigh422; |
| case PP_VIDEOCODECPROFILE_H264_HIGH_444_PREDICTIVE: |
| return cdm::VideoDecoderConfig::kH264ProfileHigh444Predictive; |
| default: |
| return cdm::VideoDecoderConfig::kUnknownVideoCodecProfile; |
| } |
| } |
| |
| cdm::VideoFormat PpDecryptedFrameFormatToCdmVideoFormat( |
| PP_DecryptedFrameFormat format) { |
| switch (format) { |
| case PP_DECRYPTEDFRAMEFORMAT_YV12: |
| return cdm::kYv12; |
| case PP_DECRYPTEDFRAMEFORMAT_I420: |
| return cdm::kI420; |
| default: |
| return cdm::kUnknownVideoFormat; |
| } |
| } |
| |
| cdm::StreamType PpDecryptorStreamTypeToCdmStreamType( |
| PP_DecryptorStreamType stream_type) { |
| switch (stream_type) { |
| case PP_DECRYPTORSTREAMTYPE_AUDIO: |
| return cdm::kStreamTypeAudio; |
| case PP_DECRYPTORSTREAMTYPE_VIDEO: |
| return cdm::kStreamTypeVideo; |
| } |
| |
| PP_NOTREACHED(); |
| return cdm::kStreamTypeVideo; |
| } |
| |
| } // namespace |
| |
| namespace media { |
| |
| CdmAdapter::CdmAdapter(PP_Instance instance, pp::Module* module) |
| : pp::Instance(instance), |
| pp::ContentDecryptor_Private(this), |
| #if defined(OS_CHROMEOS) |
| output_protection_(this), |
| platform_verification_(this), |
| challenge_in_progress_(false), |
| output_link_mask_(0), |
| output_protection_mask_(0), |
| query_output_protection_in_progress_(false), |
| #endif |
| allocator_(this), |
| cdm_(NULL) { |
| callback_factory_.Initialize(this); |
| } |
| |
| CdmAdapter::~CdmAdapter() {} |
| |
| bool CdmAdapter::CreateCdmInstance(const std::string& key_system) { |
| PP_DCHECK(!cdm_); |
| cdm_ = make_linked_ptr(CdmWrapper::Create( |
| key_system.data(), key_system.size(), GetCdmHost, this)); |
| return (cdm_ != NULL); |
| } |
| |
| // No KeyErrors should be reported in this function because they cannot be |
| // bubbled up in the WD EME API. Those errors will be reported during session |
| // creation (aka GenerateKeyRequest). |
| void CdmAdapter::Initialize(const std::string& key_system, |
| bool can_challenge_platform) { |
| PP_DCHECK(!key_system.empty()); |
| PP_DCHECK(key_system_.empty() || (key_system_ == key_system && cdm_)); |
| |
| if (!cdm_ && !CreateCdmInstance(key_system)) |
| return; |
| |
| PP_DCHECK(cdm_); |
| key_system_ = key_system; |
| } |
| |
| void CdmAdapter::GenerateKeyRequest(const std::string& type, |
| pp::VarArrayBuffer init_data) { |
| // Initialize() doesn't report an error, so GenerateKeyRequest() can be called |
| // even if Initialize() failed. |
| if (!cdm_) { |
| SendUnknownKeyError(key_system_, std::string()); |
| return; |
| } |
| |
| #if defined(CHECK_DOCUMENT_URL) |
| PP_URLComponents_Dev url_components = {}; |
| pp::Var href = pp::URLUtil_Dev::Get()->GetDocumentURL( |
| pp::InstanceHandle(pp_instance()), &url_components); |
| PP_DCHECK(href.is_string()); |
| PP_DCHECK(!href.AsString().empty()); |
| PP_DCHECK(url_components.host.begin); |
| PP_DCHECK(0 < url_components.host.len); |
| #endif // defined(CHECK_DOCUMENT_URL) |
| |
| cdm::Status status = cdm_->GenerateKeyRequest( |
| type.data(), type.size(), |
| static_cast<const uint8_t*>(init_data.Map()), |
| init_data.ByteLength()); |
| PP_DCHECK(status == cdm::kSuccess || status == cdm::kSessionError); |
| if (status != cdm::kSuccess) |
| SendUnknownKeyError(key_system_, std::string()); |
| } |
| |
| void CdmAdapter::AddKey(const std::string& session_id, |
| pp::VarArrayBuffer key, |
| pp::VarArrayBuffer init_data) { |
| // TODO(jrummell): In EME WD, AddKey() can only be called on valid sessions. |
| // We should be able to DCHECK(cdm_) when addressing http://crbug.com/249976. |
| if (!cdm_) { |
| SendUnknownKeyError(key_system_, session_id); |
| return; |
| } |
| |
| const uint8_t* key_ptr = static_cast<const uint8_t*>(key.Map()); |
| const uint32_t key_size = key.ByteLength(); |
| const uint8_t* init_data_ptr = static_cast<const uint8_t*>(init_data.Map()); |
| const uint32_t init_data_size = init_data.ByteLength(); |
| PP_DCHECK(!init_data_ptr == !init_data_size); |
| |
| if (!key_ptr || !key_size) { |
| SendUnknownKeyError(key_system_, session_id); |
| return; |
| } |
| |
| cdm::Status status = cdm_->AddKey(session_id.data(), session_id.size(), |
| key_ptr, key_size, |
| init_data_ptr, init_data_size); |
| PP_DCHECK(status == cdm::kSuccess || status == cdm::kSessionError); |
| if (status != cdm::kSuccess) { |
| SendUnknownKeyError(key_system_, session_id); |
| return; |
| } |
| |
| SendKeyAdded(key_system_, session_id); |
| } |
| |
| void CdmAdapter::CancelKeyRequest(const std::string& session_id) { |
| // TODO(jrummell): In EME WD, AddKey() can only be called on valid sessions. |
| // We should be able to DCHECK(cdm_) when addressing http://crbug.com/249976. |
| if (!cdm_) { |
| SendUnknownKeyError(key_system_, session_id); |
| return; |
| } |
| |
| cdm::Status status = cdm_->CancelKeyRequest(session_id.data(), |
| session_id.size()); |
| PP_DCHECK(status == cdm::kSuccess || status == cdm::kSessionError); |
| if (status != cdm::kSuccess) |
| SendUnknownKeyError(key_system_, session_id); |
| } |
| |
| // Note: In the following decryption/decoding related functions, errors are NOT |
| // reported via KeyError, but are reported via corresponding PPB calls. |
| |
| void CdmAdapter::Decrypt(pp::Buffer_Dev encrypted_buffer, |
| const PP_EncryptedBlockInfo& encrypted_block_info) { |
| PP_DCHECK(!encrypted_buffer.is_null()); |
| |
| // Release a buffer that the caller indicated it is finished with. |
| allocator_.Release(encrypted_block_info.tracking_info.buffer_id); |
| |
| cdm::Status status = cdm::kDecryptError; |
| LinkedDecryptedBlock decrypted_block(new DecryptedBlockImpl()); |
| |
| if (cdm_) { |
| cdm::InputBuffer input_buffer; |
| std::vector<cdm::SubsampleEntry> subsamples; |
| ConfigureInputBuffer(encrypted_buffer, encrypted_block_info, &subsamples, |
| &input_buffer); |
| status = cdm_->Decrypt(input_buffer, decrypted_block.get()); |
| PP_DCHECK(status != cdm::kSuccess || |
| (decrypted_block->DecryptedBuffer() && |
| decrypted_block->DecryptedBuffer()->Size())); |
| } |
| |
| CallOnMain(callback_factory_.NewCallback( |
| &CdmAdapter::DeliverBlock, |
| status, |
| decrypted_block, |
| encrypted_block_info.tracking_info)); |
| } |
| |
| void CdmAdapter::InitializeAudioDecoder( |
| const PP_AudioDecoderConfig& decoder_config, |
| pp::Buffer_Dev extra_data_buffer) { |
| cdm::Status status = cdm::kSessionError; |
| if (cdm_) { |
| cdm::AudioDecoderConfig cdm_decoder_config; |
| cdm_decoder_config.codec = |
| PpAudioCodecToCdmAudioCodec(decoder_config.codec); |
| cdm_decoder_config.channel_count = decoder_config.channel_count; |
| cdm_decoder_config.bits_per_channel = decoder_config.bits_per_channel; |
| cdm_decoder_config.samples_per_second = decoder_config.samples_per_second; |
| cdm_decoder_config.extra_data = |
| static_cast<uint8_t*>(extra_data_buffer.data()); |
| cdm_decoder_config.extra_data_size = extra_data_buffer.size(); |
| status = cdm_->InitializeAudioDecoder(cdm_decoder_config); |
| } |
| |
| CallOnMain(callback_factory_.NewCallback( |
| &CdmAdapter::DecoderInitializeDone, |
| PP_DECRYPTORSTREAMTYPE_AUDIO, |
| decoder_config.request_id, |
| status == cdm::kSuccess)); |
| } |
| |
| void CdmAdapter::InitializeVideoDecoder( |
| const PP_VideoDecoderConfig& decoder_config, |
| pp::Buffer_Dev extra_data_buffer) { |
| cdm::Status status = cdm::kSessionError; |
| if (cdm_) { |
| cdm::VideoDecoderConfig cdm_decoder_config; |
| cdm_decoder_config.codec = |
| PpVideoCodecToCdmVideoCodec(decoder_config.codec); |
| cdm_decoder_config.profile = |
| PpVCProfileToCdmVCProfile(decoder_config.profile); |
| cdm_decoder_config.format = |
| PpDecryptedFrameFormatToCdmVideoFormat(decoder_config.format); |
| cdm_decoder_config.coded_size.width = decoder_config.width; |
| cdm_decoder_config.coded_size.height = decoder_config.height; |
| cdm_decoder_config.extra_data = |
| static_cast<uint8_t*>(extra_data_buffer.data()); |
| cdm_decoder_config.extra_data_size = extra_data_buffer.size(); |
| status = cdm_->InitializeVideoDecoder(cdm_decoder_config); |
| } |
| |
| CallOnMain(callback_factory_.NewCallback( |
| &CdmAdapter::DecoderInitializeDone, |
| PP_DECRYPTORSTREAMTYPE_VIDEO, |
| decoder_config.request_id, |
| status == cdm::kSuccess)); |
| } |
| |
| void CdmAdapter::DeinitializeDecoder(PP_DecryptorStreamType decoder_type, |
| uint32_t request_id) { |
| PP_DCHECK(cdm_); // InitializeXxxxxDecoder should have succeeded. |
| if (cdm_) { |
| cdm_->DeinitializeDecoder( |
| PpDecryptorStreamTypeToCdmStreamType(decoder_type)); |
| } |
| |
| CallOnMain(callback_factory_.NewCallback( |
| &CdmAdapter::DecoderDeinitializeDone, |
| decoder_type, |
| request_id)); |
| } |
| |
| void CdmAdapter::ResetDecoder(PP_DecryptorStreamType decoder_type, |
| uint32_t request_id) { |
| PP_DCHECK(cdm_); // InitializeXxxxxDecoder should have succeeded. |
| if (cdm_) |
| cdm_->ResetDecoder(PpDecryptorStreamTypeToCdmStreamType(decoder_type)); |
| |
| CallOnMain(callback_factory_.NewCallback(&CdmAdapter::DecoderResetDone, |
| decoder_type, |
| request_id)); |
| } |
| |
| void CdmAdapter::DecryptAndDecode( |
| PP_DecryptorStreamType decoder_type, |
| pp::Buffer_Dev encrypted_buffer, |
| const PP_EncryptedBlockInfo& encrypted_block_info) { |
| PP_DCHECK(cdm_); // InitializeXxxxxDecoder should have succeeded. |
| // Release a buffer that the caller indicated it is finished with. |
| allocator_.Release(encrypted_block_info.tracking_info.buffer_id); |
| |
| cdm::InputBuffer input_buffer; |
| std::vector<cdm::SubsampleEntry> subsamples; |
| if (cdm_ && !encrypted_buffer.is_null()) { |
| ConfigureInputBuffer(encrypted_buffer, |
| encrypted_block_info, |
| &subsamples, |
| &input_buffer); |
| } |
| |
| cdm::Status status = cdm::kDecodeError; |
| |
| switch (decoder_type) { |
| case PP_DECRYPTORSTREAMTYPE_VIDEO: { |
| LinkedVideoFrame video_frame(new VideoFrameImpl()); |
| if (cdm_) |
| status = cdm_->DecryptAndDecodeFrame(input_buffer, video_frame.get()); |
| CallOnMain(callback_factory_.NewCallback( |
| &CdmAdapter::DeliverFrame, |
| status, |
| video_frame, |
| encrypted_block_info.tracking_info)); |
| return; |
| } |
| |
| case PP_DECRYPTORSTREAMTYPE_AUDIO: { |
| LinkedAudioFrames audio_frames(new AudioFramesImpl()); |
| if (cdm_) { |
| status = cdm_->DecryptAndDecodeSamples(input_buffer, |
| audio_frames.get()); |
| } |
| CallOnMain(callback_factory_.NewCallback( |
| &CdmAdapter::DeliverSamples, |
| status, |
| audio_frames, |
| encrypted_block_info.tracking_info)); |
| return; |
| } |
| |
| default: |
| PP_NOTREACHED(); |
| return; |
| } |
| } |
| |
| cdm::Buffer* CdmAdapter::Allocate(uint32_t capacity) { |
| return allocator_.Allocate(capacity); |
| } |
| |
| void CdmAdapter::SetTimer(int64_t delay_ms, void* context) { |
| // NOTE: doesn't really need to run on the main thread; could just as well run |
| // on a helper thread if |cdm_| were thread-friendly and care was taken. We |
| // only use CallOnMainThread() here to get delayed-execution behavior. |
| pp::Module::Get()->core()->CallOnMainThread( |
| delay_ms, |
| callback_factory_.NewCallback(&CdmAdapter::TimerExpired, context), |
| PP_OK); |
| } |
| |
| void CdmAdapter::TimerExpired(int32_t result, void* context) { |
| PP_DCHECK(result == PP_OK); |
| cdm_->TimerExpired(context); |
| } |
| |
| double CdmAdapter::GetCurrentWallTimeInSeconds() { |
| return pp::Module::Get()->core()->GetTime(); |
| } |
| |
| void CdmAdapter::SendKeyMessage( |
| const char* session_id, uint32_t session_id_length, |
| const char* message, uint32_t message_length, |
| const char* default_url, uint32_t default_url_length) { |
| PP_DCHECK(!key_system_.empty()); |
| PostOnMain(callback_factory_.NewCallback( |
| &CdmAdapter::KeyMessage, |
| SessionInfo(key_system_, |
| std::string(session_id, session_id_length)), |
| std::vector<uint8>(message, message + message_length), |
| std::string(default_url, default_url_length))); |
| } |
| |
| void CdmAdapter::SendKeyError(const char* session_id, |
| uint32_t session_id_length, |
| cdm::MediaKeyError error_code, |
| uint32_t system_code) { |
| SendKeyErrorInternal(key_system_, |
| std::string(session_id, session_id_length), |
| error_code, |
| system_code); |
| } |
| |
| void CdmAdapter::GetPrivateData(int32_t* instance, |
| GetPrivateInterface* get_interface) { |
| *instance = pp_instance(); |
| *get_interface = pp::Module::Get()->get_browser_interface(); |
| } |
| |
| void CdmAdapter::SendUnknownKeyError(const std::string& key_system, |
| const std::string& session_id) { |
| SendKeyErrorInternal(key_system, session_id, cdm::kUnknownError, 0); |
| } |
| |
| void CdmAdapter::SendKeyAdded(const std::string& key_system, |
| const std::string& session_id) { |
| PostOnMain(callback_factory_.NewCallback( |
| &CdmAdapter::KeyAdded, |
| SessionInfo(key_system_, session_id))); |
| } |
| |
| void CdmAdapter::SendKeyErrorInternal(const std::string& key_system, |
| const std::string& session_id, |
| cdm::MediaKeyError error_code, |
| uint32_t system_code) { |
| PostOnMain(callback_factory_.NewCallback(&CdmAdapter::KeyError, |
| SessionInfo(key_system_, session_id), |
| error_code, |
| system_code)); |
| } |
| |
| void CdmAdapter::KeyAdded(int32_t result, const SessionInfo& session_info) { |
| PP_DCHECK(result == PP_OK); |
| PP_DCHECK(!session_info.key_system.empty()); |
| pp::ContentDecryptor_Private::KeyAdded(session_info.key_system, |
| session_info.session_id); |
| } |
| |
| void CdmAdapter::KeyMessage(int32_t result, |
| const SessionInfo& session_info, |
| const std::vector<uint8>& message, |
| const std::string& default_url) { |
| PP_DCHECK(result == PP_OK); |
| PP_DCHECK(!session_info.key_system.empty()); |
| |
| pp::VarArrayBuffer message_array_buffer(message.size()); |
| if (message.size() > 0) { |
| memcpy(message_array_buffer.Map(), message.data(), message.size()); |
| } |
| |
| pp::ContentDecryptor_Private::KeyMessage( |
| session_info.key_system, session_info.session_id, |
| message_array_buffer, default_url); |
| } |
| |
| void CdmAdapter::KeyError(int32_t result, |
| const SessionInfo& session_info, |
| cdm::MediaKeyError error_code, |
| uint32_t system_code) { |
| PP_DCHECK(result == PP_OK); |
| pp::ContentDecryptor_Private::KeyError( |
| session_info.key_system, session_info.session_id, |
| error_code, system_code); |
| } |
| |
| void CdmAdapter::DeliverBlock(int32_t result, |
| const cdm::Status& status, |
| const LinkedDecryptedBlock& decrypted_block, |
| const PP_DecryptTrackingInfo& tracking_info) { |
| PP_DCHECK(result == PP_OK); |
| PP_DecryptedBlockInfo decrypted_block_info; |
| decrypted_block_info.tracking_info = tracking_info; |
| decrypted_block_info.tracking_info.timestamp = decrypted_block->Timestamp(); |
| decrypted_block_info.tracking_info.buffer_id = 0; |
| decrypted_block_info.data_size = 0; |
| decrypted_block_info.result = CdmStatusToPpDecryptResult(status); |
| |
| pp::Buffer_Dev buffer; |
| |
| if (decrypted_block_info.result == PP_DECRYPTRESULT_SUCCESS) { |
| PP_DCHECK(decrypted_block.get() && decrypted_block->DecryptedBuffer()); |
| if (!decrypted_block.get() || !decrypted_block->DecryptedBuffer()) { |
| PP_NOTREACHED(); |
| decrypted_block_info.result = PP_DECRYPTRESULT_DECRYPT_ERROR; |
| } else { |
| PpbBuffer* ppb_buffer = |
| static_cast<PpbBuffer*>(decrypted_block->DecryptedBuffer()); |
| buffer = ppb_buffer->buffer_dev(); |
| decrypted_block_info.tracking_info.buffer_id = ppb_buffer->buffer_id(); |
| decrypted_block_info.data_size = ppb_buffer->Size(); |
| } |
| } |
| |
| pp::ContentDecryptor_Private::DeliverBlock(buffer, decrypted_block_info); |
| } |
| |
| void CdmAdapter::DecoderInitializeDone(int32_t result, |
| PP_DecryptorStreamType decoder_type, |
| uint32_t request_id, |
| bool success) { |
| PP_DCHECK(result == PP_OK); |
| pp::ContentDecryptor_Private::DecoderInitializeDone(decoder_type, |
| request_id, |
| success); |
| } |
| |
| void CdmAdapter::DecoderDeinitializeDone(int32_t result, |
| PP_DecryptorStreamType decoder_type, |
| uint32_t request_id) { |
| pp::ContentDecryptor_Private::DecoderDeinitializeDone(decoder_type, |
| request_id); |
| } |
| |
| void CdmAdapter::DecoderResetDone(int32_t result, |
| PP_DecryptorStreamType decoder_type, |
| uint32_t request_id) { |
| pp::ContentDecryptor_Private::DecoderResetDone(decoder_type, request_id); |
| } |
| |
| void CdmAdapter::DeliverFrame( |
| int32_t result, |
| const cdm::Status& status, |
| const LinkedVideoFrame& video_frame, |
| const PP_DecryptTrackingInfo& tracking_info) { |
| PP_DCHECK(result == PP_OK); |
| PP_DecryptedFrameInfo decrypted_frame_info; |
| decrypted_frame_info.tracking_info.request_id = tracking_info.request_id; |
| decrypted_frame_info.tracking_info.buffer_id = 0; |
| decrypted_frame_info.result = CdmStatusToPpDecryptResult(status); |
| |
| pp::Buffer_Dev buffer; |
| |
| if (decrypted_frame_info.result == PP_DECRYPTRESULT_SUCCESS) { |
| if (!IsValidVideoFrame(video_frame)) { |
| PP_NOTREACHED(); |
| decrypted_frame_info.result = PP_DECRYPTRESULT_DECODE_ERROR; |
| } else { |
| PpbBuffer* ppb_buffer = |
| static_cast<PpbBuffer*>(video_frame->FrameBuffer()); |
| |
| buffer = ppb_buffer->buffer_dev(); |
| |
| decrypted_frame_info.tracking_info.timestamp = video_frame->Timestamp(); |
| decrypted_frame_info.tracking_info.buffer_id = ppb_buffer->buffer_id(); |
| decrypted_frame_info.format = |
| CdmVideoFormatToPpDecryptedFrameFormat(video_frame->Format()); |
| decrypted_frame_info.width = video_frame->Size().width; |
| decrypted_frame_info.height = video_frame->Size().height; |
| decrypted_frame_info.plane_offsets[PP_DECRYPTEDFRAMEPLANES_Y] = |
| video_frame->PlaneOffset(cdm::VideoFrame::kYPlane); |
| decrypted_frame_info.plane_offsets[PP_DECRYPTEDFRAMEPLANES_U] = |
| video_frame->PlaneOffset(cdm::VideoFrame::kUPlane); |
| decrypted_frame_info.plane_offsets[PP_DECRYPTEDFRAMEPLANES_V] = |
| video_frame->PlaneOffset(cdm::VideoFrame::kVPlane); |
| decrypted_frame_info.strides[PP_DECRYPTEDFRAMEPLANES_Y] = |
| video_frame->Stride(cdm::VideoFrame::kYPlane); |
| decrypted_frame_info.strides[PP_DECRYPTEDFRAMEPLANES_U] = |
| video_frame->Stride(cdm::VideoFrame::kUPlane); |
| decrypted_frame_info.strides[PP_DECRYPTEDFRAMEPLANES_V] = |
| video_frame->Stride(cdm::VideoFrame::kVPlane); |
| } |
| } |
| pp::ContentDecryptor_Private::DeliverFrame(buffer, decrypted_frame_info); |
| } |
| |
| void CdmAdapter::DeliverSamples(int32_t result, |
| const cdm::Status& status, |
| const LinkedAudioFrames& audio_frames, |
| const PP_DecryptTrackingInfo& tracking_info) { |
| PP_DCHECK(result == PP_OK); |
| |
| PP_DecryptedSampleInfo decrypted_sample_info; |
| decrypted_sample_info.tracking_info = tracking_info; |
| decrypted_sample_info.tracking_info.timestamp = 0; |
| decrypted_sample_info.tracking_info.buffer_id = 0; |
| decrypted_sample_info.data_size = 0; |
| decrypted_sample_info.result = CdmStatusToPpDecryptResult(status); |
| |
| pp::Buffer_Dev buffer; |
| |
| if (decrypted_sample_info.result == PP_DECRYPTRESULT_SUCCESS) { |
| PP_DCHECK(audio_frames.get() && audio_frames->FrameBuffer()); |
| if (!audio_frames.get() || !audio_frames->FrameBuffer()) { |
| PP_NOTREACHED(); |
| decrypted_sample_info.result = PP_DECRYPTRESULT_DECRYPT_ERROR; |
| } else { |
| PpbBuffer* ppb_buffer = |
| static_cast<PpbBuffer*>(audio_frames->FrameBuffer()); |
| buffer = ppb_buffer->buffer_dev(); |
| decrypted_sample_info.tracking_info.buffer_id = ppb_buffer->buffer_id(); |
| decrypted_sample_info.data_size = ppb_buffer->Size(); |
| decrypted_sample_info.format = |
| CdmAudioFormatToPpDecryptedSampleFormat(audio_frames->Format()); |
| } |
| } |
| |
| pp::ContentDecryptor_Private::DeliverSamples(buffer, decrypted_sample_info); |
| } |
| |
| bool CdmAdapter::IsValidVideoFrame(const LinkedVideoFrame& video_frame) { |
| if (!video_frame.get() || |
| !video_frame->FrameBuffer() || |
| (video_frame->Format() != cdm::kI420 && |
| video_frame->Format() != cdm::kYv12)) { |
| return false; |
| } |
| |
| PpbBuffer* ppb_buffer = static_cast<PpbBuffer*>(video_frame->FrameBuffer()); |
| |
| for (uint32_t i = 0; i < cdm::VideoFrame::kMaxPlanes; ++i) { |
| int plane_height = (i == cdm::VideoFrame::kYPlane) ? |
| video_frame->Size().height : (video_frame->Size().height + 1) / 2; |
| cdm::VideoFrame::VideoPlane plane = |
| static_cast<cdm::VideoFrame::VideoPlane>(i); |
| if (ppb_buffer->Size() < video_frame->PlaneOffset(plane) + |
| plane_height * video_frame->Stride(plane)) { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| void CdmAdapter::OnDeferredInitializationDone(cdm::StreamType stream_type, |
| cdm::Status decoder_status) { |
| PP_NOTREACHED(); |
| } |
| |
| void CdmAdapter::SendPlatformChallenge( |
| const char* service_id, uint32_t service_id_length, |
| const char* challenge, uint32_t challenge_length) { |
| #if defined(OS_CHROMEOS) |
| PP_DCHECK(!challenge_in_progress_); |
| |
| // Ensure member variables set by the callback are in a clean state. |
| signed_data_output_ = pp::Var(); |
| signed_data_signature_output_ = pp::Var(); |
| platform_key_certificate_output_ = pp::Var(); |
| |
| pp::VarArrayBuffer challenge_var(challenge_length); |
| uint8_t* var_data = static_cast<uint8_t*>(challenge_var.Map()); |
| memcpy(var_data, challenge, challenge_length); |
| |
| std::string service_id_str(service_id, service_id_length); |
| int32_t result = platform_verification_.ChallengePlatform( |
| pp::Var(service_id_str), challenge_var, &signed_data_output_, |
| &signed_data_signature_output_, &platform_key_certificate_output_, |
| callback_factory_.NewCallback(&CdmAdapter::SendPlatformChallengeDone)); |
| challenge_var.Unmap(); |
| if (result == PP_OK_COMPLETIONPENDING) { |
| challenge_in_progress_ = true; |
| return; |
| } |
| |
| // Fall through on error and issue an empty OnPlatformChallengeResponse(). |
| PP_DCHECK(result != PP_OK); |
| #endif |
| |
| cdm::PlatformChallengeResponse response = {}; |
| cdm_->OnPlatformChallengeResponse(response); |
| } |
| |
| void CdmAdapter::EnableOutputProtection(uint32_t desired_protection_mask) { |
| #if defined(OS_CHROMEOS) |
| output_protection_.EnableProtection( |
| desired_protection_mask, callback_factory_.NewCallback( |
| &CdmAdapter::EnableProtectionDone)); |
| |
| // Errors are ignored since clients must call QueryOutputProtectionStatus() to |
| // inspect the protection status on a regular basis. |
| // TODO(dalecurtis): It'd be nice to log a message or non-fatal error here... |
| #endif |
| } |
| |
| void CdmAdapter::QueryOutputProtectionStatus() { |
| #if defined(OS_CHROMEOS) |
| PP_DCHECK(!query_output_protection_in_progress_); |
| |
| output_link_mask_ = output_protection_mask_ = 0; |
| const int32_t result = output_protection_.QueryStatus( |
| &output_link_mask_, |
| &output_protection_mask_, |
| callback_factory_.NewCallback( |
| &CdmAdapter::QueryOutputProtectionStatusDone)); |
| if (result == PP_OK_COMPLETIONPENDING) { |
| query_output_protection_in_progress_ = true; |
| return; |
| } |
| |
| // Fall through on error and issue an empty OnQueryOutputProtectionStatus(). |
| PP_DCHECK(result != PP_OK); |
| #endif |
| |
| cdm_->OnQueryOutputProtectionStatus(0, 0); |
| } |
| |
| #if defined(OS_CHROMEOS) |
| void CdmAdapter::SendPlatformChallengeDone(int32_t result) { |
| challenge_in_progress_ = false; |
| |
| if (result != PP_OK) { |
| cdm::PlatformChallengeResponse response = {}; |
| cdm_->OnPlatformChallengeResponse(response); |
| return; |
| } |
| |
| pp::VarArrayBuffer signed_data_var(signed_data_output_); |
| pp::VarArrayBuffer signed_data_signature_var(signed_data_signature_output_); |
| std::string platform_key_certificate_string = |
| platform_key_certificate_output_.AsString(); |
| |
| cdm::PlatformChallengeResponse response = { |
| static_cast<uint8_t*>(signed_data_var.Map()), |
| signed_data_var.ByteLength(), |
| |
| static_cast<uint8_t*>(signed_data_signature_var.Map()), |
| signed_data_signature_var.ByteLength(), |
| |
| reinterpret_cast<const uint8_t*>(platform_key_certificate_string.c_str()), |
| static_cast<uint32_t>(platform_key_certificate_string.length()) |
| }; |
| cdm_->OnPlatformChallengeResponse(response); |
| |
| signed_data_var.Unmap(); |
| signed_data_signature_var.Unmap(); |
| } |
| |
| void CdmAdapter::EnableProtectionDone(int32_t result) { |
| // Does nothing since clients must call QueryOutputProtectionStatus() to |
| // inspect the protection status on a regular basis. |
| // TODO(dalecurtis): It'd be nice to log a message or non-fatal error here... |
| } |
| |
| void CdmAdapter::QueryOutputProtectionStatusDone(int32_t result) { |
| PP_DCHECK(query_output_protection_in_progress_); |
| query_output_protection_in_progress_ = false; |
| |
| // Return a protection status of none on error. |
| if (result != PP_OK) |
| output_link_mask_ = output_protection_mask_ = 0; |
| |
| cdm_->OnQueryOutputProtectionStatus(output_link_mask_, |
| output_protection_mask_); |
| } |
| #endif |
| |
| void* GetCdmHost(int host_interface_version, void* user_data) { |
| if (!host_interface_version || !user_data) |
| return NULL; |
| |
| CdmAdapter* cdm_adapter = static_cast<CdmAdapter*>(user_data); |
| switch (host_interface_version) { |
| case cdm::kHostInterfaceVersion_1: |
| return static_cast<cdm::Host_1*>(cdm_adapter); |
| case cdm::kHostInterfaceVersion_2: |
| return static_cast<cdm::Host_2*>(cdm_adapter); |
| default: |
| PP_NOTREACHED(); |
| return NULL; |
| } |
| } |
| |
| // This object is the global object representing this plugin library as long |
| // as it is loaded. |
| class CdmAdapterModule : public pp::Module { |
| public: |
| CdmAdapterModule() : pp::Module() { |
| // This function blocks the renderer thread (PluginInstance::Initialize()). |
| // Move this call to other places if this may be a concern in the future. |
| INITIALIZE_CDM_MODULE(); |
| } |
| virtual ~CdmAdapterModule() { |
| DeinitializeCdmModule(); |
| } |
| |
| virtual pp::Instance* CreateInstance(PP_Instance instance) { |
| return new CdmAdapter(instance, this); |
| } |
| }; |
| |
| } // namespace media |
| |
| namespace pp { |
| |
| // Factory function for your specialization of the Module object. |
| Module* CreateModule() { |
| return new media::CdmAdapterModule(); |
| } |
| |
| } // namespace pp |
