SPEC-1924: AGL Speech Framework's Voice Service High Level 1.0 Release.

Details:
1) Control plugin implementation for VSHL 1.0
2) Exposed APIs that are documented in the confluence page
   https://confluence.automotivelinux.org/display/SPE/Speech+EG+Architecture
3) Implemented 39 unit tests based on GTest framework to test all the low
level components of VSHL binding.
4) Implemented a HTML5 based VSHL API tester application to test VSHL APIs.

API specification:
https://confluence.automotivelinux.org/display/SPE/Speech+EG+Architecture#SpeechEGArchitecture-HighLevelVoiceService

Test performed:
1) Tested AGL service running Alexa Auto SDK https://github.com/alexa/aac-sdk on Ubuntu 16.04 and Renesas R-Car M3 board.

License:
Apache 2.0

Developers/Owners:
Naveen Bobbili (nbobbili@amazon.com)
Prakash Buddhiraja (buddhip@amazon.com)
Shotaro Uchida (shotaru@amazon.co.jp)

Change-Id: I3370f4ad65aff030f24f4ad571fb02d525bbfbca
Signed-off-by: Naveen Bobbili  <nbobbili@amazon.com>

2 files changed, 175 insertions, 0 deletions

diff --git a/src/plugins/interfaces/voiceagents/IVoiceAgent.h b/src/plugins/interfaces/voiceagents/IVoiceAgent.h
new file mode 100644
index 0000000..367ad72
--- /dev/null
+++ b/src/plugins/interfaces/voiceagents/IVoiceAgent.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License").
+ * You may not use this file except in compliance with the License.
+ * A copy of the License is located at
+ *
+ *     http://aws.amazon.com/apache2.0/
+ *
+ * or in the "license" file accompanying this file. This file is distributed
+ * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
+ * express or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+
+#ifndef VSHL_COMMON_INTERFACES_IVOICEAGENT_H_
+#define VSHL_COMMON_INTERFACES_IVOICEAGENT_H_
+
+#include <memory>
+#include <string>
+#include <unordered_set>
+
+using namespace std;
+
+namespace vshl {
+namespace common {
+namespace interfaces {
+
+/*
+ * This interface define the structure for VoiceAgent Information.
+ * The implementation of this structure is owned by voiceagents module.
+ */
+class IVoiceAgent {
+public:
+  /*
+   * Set the active wakeword for this voiceagent
+   */
+  virtual bool setActiveWakeWord(const string &wakeword) = 0;
+
+  /*
+   * Sets the activation state of this voiceagent
+   */
+  virtual void setIsActive(bool active) = 0;
+
+  /*
+   * Returns the voiceagent's ID.
+   */
+  virtual string getId() const = 0;
+
+  /*
+   * Returns the voiceagent's name.
+   */
+  virtual string getName() const = 0;
+
+  /*
+   * Returns the voiceagent's description.
+   */
+  virtual string getDescription() const = 0;
+
+  /*
+   * Returns the voiceagent's API.
+   */
+  virtual string getApi() const = 0;
+
+  /*
+   * Returns the voiceagent's vendor information/
+   */
+  virtual string getVendor() const = 0;
+
+  /*
+   * Returns the list of wakewords mapped to the voiceagent.
+   */
+  virtual shared_ptr<unordered_set<string>> getWakeWords() const = 0;
+
+  /*
+   * Returns true if the voiceagent is active. False otherwise.
+   */
+  virtual bool isActive() const = 0;
+
+  /*
+   * Returns the active wakeword for the voiceagent.
+   */
+  virtual string getActiveWakeword() const = 0;
+
+  /**
+   * Virtual destructor to assure proper cleanup of derived types.
+   */
+  virtual ~IVoiceAgent() = default;
+};
+
+} // namespace interfaces
+} // namespace common
+} // namespace vshl
+
+#endif // VSHL_COMMON_INTERFACES_IVOICEAGENT_H_
diff --git a/src/plugins/interfaces/voiceagents/IVoiceAgentsChangeObserver.h b/src/plugins/interfaces/voiceagents/IVoiceAgentsChangeObserver.h
new file mode 100644
index 0000000..e552ab5
--- /dev/null
+++ b/src/plugins/interfaces/voiceagents/IVoiceAgentsChangeObserver.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License").
+ * You may not use this file except in compliance with the License.
+ * A copy of the License is located at
+ *
+ *     http://aws.amazon.com/apache2.0/
+ *
+ * or in the "license" file accompanying this file. This file is distributed
+ * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
+ * express or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+
+#ifndef VSHL_COMMON_INTERFACES_IVOICEAGENTSCHANGEOBSERVER_H_
+#define VSHL_COMMON_INTERFACES_IVOICEAGENTSCHANGEOBSERVER_H_
+
+#include <memory>
+#include <string>
+
+#include "interfaces/voiceagents/IVoiceAgent.h"
+
+using namespace std;
+
+namespace vshl {
+namespace common {
+namespace interfaces {
+
+/*
+ * This interface is used to observe changes to the voiceagents datastore.
+ * The voiceagents data store is contained in the voiceagents module.
+ */
+class IVoiceAgentsChangeObserver {
+public:
+  /**
+   * This method notifies the observers that the default voiceagent selection
+   * has been updated.
+   */
+  virtual void
+  OnDefaultVoiceAgentChanged(shared_ptr<IVoiceAgent> defaultVoiceAgent) = 0;
+
+  /**
+   * This method notifies the observers that a new voiceagent has been added.
+   */
+  virtual void OnVoiceAgentAdded(shared_ptr<IVoiceAgent> voiceAgent) = 0;
+
+  /**
+   * This method notifies the observers that a voiceagent is removed.
+   */
+  virtual void OnVoiceAgentRemoved(shared_ptr<IVoiceAgent> voiceAgent) = 0;
+
+  /**
+   * This method notifies the observers that active wakeword for a voiceagent is
+   * updated.
+   */
+  virtual void
+  OnVoiceAgentActiveWakeWordChanged(shared_ptr<IVoiceAgent> voiceAgent) = 0;
+
+  /**
+   * This method notifies the observers that the voiceagent has been activated.
+   */
+  virtual void OnVoiceAgentActivated(shared_ptr<IVoiceAgent> voiceAgent) = 0;
+
+  /**
+   * This method notifies the observers that the voiceagent has been activated.
+   */
+  virtual void OnVoiceAgentDeactivated(shared_ptr<IVoiceAgent> voiceAgent) = 0;
+
+  /**
+   * Virtual destructor to assure proper cleanup of derived types.
+   */
+  virtual ~IVoiceAgentsChangeObserver() = default;
+};
+
+} // namespace interfaces
+} // namespace common
+} // namespace vshl
+
+#endif // VSHL_COMMON_INTERFACES_IVOICEAGENTSCHANGEOBSERVER_H_