| // Copyright 2015 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/stub/stub_cdm.h" |
| |
| #include "base/logging.h" |
| #include "base/numerics/safe_conversions.h" |
| #include "base/strings/string_number_conversions.h" |
| |
| // Version number for this stub. The third number represents the |
| // cdm::ContentDecryptionModule version. |
| const char kStubCdmVersion[] = "1.4.8.0"; |
| |
| void INITIALIZE_CDM_MODULE() { |
| } |
| |
| void DeinitializeCdmModule() { |
| } |
| |
| void* CreateCdmInstance(int cdm_interface_version, |
| const char* /* key_system */, |
| uint32_t /* key_system_size */, |
| GetCdmHostFunc get_cdm_host_func, |
| void* user_data) { |
| DVLOG(1) << "CreateCdmInstance()"; |
| |
| if (cdm_interface_version != media::StubCdmInterface::kVersion) |
| return nullptr; |
| |
| media::StubCdmInterface::Host* host = |
| static_cast<media::StubCdmInterface::Host*>(get_cdm_host_func( |
| media::StubCdmInterface::Host::kVersion, user_data)); |
| if (!host) |
| return nullptr; |
| |
| return new media::StubCdm(host); |
| } |
| |
| const char* GetCdmVersion() { |
| return kStubCdmVersion; |
| } |
| |
| namespace media { |
| |
| StubCdm::StubCdm(Host* host) : host_(host), next_session_id_(0) { |
| } |
| |
| StubCdm::~StubCdm() { |
| } |
| |
| void StubCdm::Initialize(bool /* allow_distinctive_identifier */, |
| bool /* allow_persistent_state */) { |
| } |
| |
| void StubCdm::CreateSessionAndGenerateRequest( |
| uint32_t promise_id, |
| cdm::SessionType /* session_type */, |
| cdm::InitDataType /* init_data_type */, |
| const uint8_t* /* init_data */, |
| uint32_t /* init_data_size */) { |
| // Provide a dummy message (with a trivial session ID) to enable some testing |
| // and be consistent with existing testing without a license server. |
| std::string session_id(base::UintToString(next_session_id_++)); |
| host_->OnResolveNewSessionPromise( |
| promise_id, session_id.data(), |
| base::checked_cast<uint32_t>(session_id.length())); |
| host_->OnSessionMessage(session_id.data(), |
| base::checked_cast<uint32_t>(session_id.length()), |
| cdm::kLicenseRequest, nullptr, 0, nullptr, 0); |
| } |
| |
| void StubCdm::LoadSession(uint32_t promise_id, |
| cdm::SessionType /* session_type */, |
| const char* /* session_id */, |
| uint32_t /* session_id_length */) { |
| FailRequest(promise_id); |
| } |
| |
| void StubCdm::UpdateSession(uint32_t promise_id, |
| const char* /* session_id */, |
| uint32_t /* session_id_length */, |
| const uint8_t* /* response */, |
| uint32_t /* response_size */) { |
| FailRequest(promise_id); |
| } |
| |
| void StubCdm::CloseSession(uint32_t promise_id, |
| const char* /* session_id */, |
| uint32_t /* session_id_length */) { |
| FailRequest(promise_id); |
| } |
| |
| void StubCdm::RemoveSession(uint32_t promise_id, |
| const char* /* session_id */, |
| uint32_t /* session_id_length */) { |
| FailRequest(promise_id); |
| } |
| |
| void StubCdm::SetServerCertificate( |
| uint32_t promise_id, |
| const uint8_t* /* server_certificate_data */, |
| uint32_t /* server_certificate_data_size */) { |
| FailRequest(promise_id); |
| } |
| |
| void StubCdm::TimerExpired(void* /* context */) { |
| } |
| |
| cdm::Status StubCdm::Decrypt(const cdm::InputBuffer& /* encrypted_buffer */, |
| cdm::DecryptedBlock* /* decrypted_block */) { |
| return cdm::kDecryptError; |
| } |
| |
| cdm::Status StubCdm::InitializeAudioDecoder( |
| const cdm::AudioDecoderConfig& /* audio_decoder_config */) { |
| return cdm::kDecryptError; |
| } |
| |
| cdm::Status StubCdm::InitializeVideoDecoder( |
| const cdm::VideoDecoderConfig& /* video_decoder_config */) { |
| return cdm::kDecryptError; |
| } |
| |
| void StubCdm::ResetDecoder(cdm::StreamType /* decoder_type */) { |
| } |
| |
| void StubCdm::DeinitializeDecoder(cdm::StreamType /* decoder_type */) { |
| } |
| |
| cdm::Status StubCdm::DecryptAndDecodeFrame( |
| const cdm::InputBuffer& /* encrypted_buffer */, |
| cdm::VideoFrame* /* decoded_frame */) { |
| return cdm::kDecryptError; |
| } |
| |
| cdm::Status StubCdm::DecryptAndDecodeSamples( |
| const cdm::InputBuffer& /* encrypted_buffer */, |
| cdm::AudioFrames* /* audio_frames */) { |
| return cdm::kDecryptError; |
| } |
| |
| void StubCdm::Destroy() { |
| delete this; |
| } |
| |
| void StubCdm::OnPlatformChallengeResponse( |
| const cdm::PlatformChallengeResponse& /* response */) { |
| NOTREACHED(); |
| } |
| |
| void StubCdm::OnQueryOutputProtectionStatus( |
| cdm::QueryResult /* result */, |
| uint32_t /* link_mask */, |
| uint32_t /* output_protection_mask */) { |
| NOTREACHED(); |
| }; |
| |
| void StubCdm::FailRequest(uint32_t promise_id) { |
| std::string message("Operation not supported by stub CDM."); |
| host_->OnRejectPromise(promise_id, cdm::kInvalidAccessError, 0, |
| message.data(), |
| base::checked_cast<uint32_t>(message.length())); |
| } |
| |
| } // namespace media |