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Unified Diff: media/cdm/stub/stub_cdm.cc

Issue 1043673002: Allow widevinecdmadapter to be built in Chromium (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: nits Created 5 years, 9 months ago
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Index: media/cdm/stub/stub_cdm.cc
diff --git a/media/cdm/stub/stub_cdm.cc b/media/cdm/stub/stub_cdm.cc
new file mode 100644
index 0000000000000000000000000000000000000000..0bfa25ebaa09c617e7906ce5b639d754125de91f
--- /dev/null
+++ b/media/cdm/stub/stub_cdm.cc
@@ -0,0 +1,162 @@
+// 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/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 promise_id,
+ cdm::SessionType /* session_type */,
+ cdm::InitDataType /* init_data_type */,
+ const uint8* /* init_data */,
+ uint32 /* 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(),
+ session_id.length());
+ host_->OnSessionMessage(session_id.data(), session_id.length(),
+ cdm::kLicenseRequest, nullptr, 0, nullptr, 0);
+}
+
+void StubCdm::LoadSession(uint32 promise_id,
+ cdm::SessionType /* session_type */,
+ const char* /* session_id */,
+ uint32_t /* session_id_length */) {
+ FailRequest(promise_id);
+}
+
+void StubCdm::UpdateSession(uint32 promise_id,
+ const char* /* session_id */,
+ uint32_t /* session_id_length */,
+ const uint8* /* response */,
+ uint32 /* response_size */) {
+ FailRequest(promise_id);
+}
+
+void StubCdm::CloseSession(uint32 promise_id,
+ const char* /* session_id */,
+ uint32_t /* session_id_length */) {
+ FailRequest(promise_id);
+}
+
+void StubCdm::RemoveSession(uint32 promise_id,
+ const char* /* session_id */,
+ uint32_t /* session_id_length */) {
+ FailRequest(promise_id);
+}
+
+void StubCdm::SetServerCertificate(
+ uint32 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 promise_id) {
+ std::string message("Operation not supported by stub CDM.");
+ host_->OnRejectPromise(promise_id, cdm::kInvalidAccessError, 0,
+ message.data(), message.length());
+}
+
+} // namespace media
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