Pre-AudioWorkshop Demo

1 files changed, 90 insertions, 0 deletions

diff --git a/src/ahl-policy.c b/src/ahl-policy.c
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+/*
+ * Copyright (C) 2017 "Audiokinetic Inc"
+ * Author Francois Thibault <fthibault@audiokinetic.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License 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.
+ */
+
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <string.h>
+
+#include "ahl-binding.h"
+
+
+// This file provides example of custom, business logic driven policy actions that can affect behavior of the high level
+// TODO: Currently only isolated in separate source file. Objective is to make this to at least a shared lib plug-in
+// Going a step further would be to implement this within afb-controler policy plug-in (would require bi-directional access to HLB context)
+
+extern AHLCtxT g_AHLCtx; // TODO: Cannot stay if moved to external module 
+
+// Attribute of high-level binding (parsed), policy enforced
+typedef enum InterruptedBehavior {
+  INTERRUPTEDBEHAVIOR_CONTINUE = 0, // Continue to play when interrupted (e.g. media will be ducked)
+  INTERRUPTEDBEHAVIOR_CANCEL,       // Abort playback when interrupted (e.g. non-important HMI feedback that does not make sense later)
+  INTERRUPTEDBEHAVIOR_PAUSE,        // Pause source when interrupted, to be resumed afterwards (e.g. non-temporal guidance)
+  INTERRUPTEDBEHAVIOR_MAXVALUE, // Enum count, keep at the end
+} InterruptedBehaviorT;
+
+PUBLIC int Policy_OpenStream(char *pAudioRole, EndpointTypeT endpointType, endpointID_t endpointID)
+{
+    return 1; // Policy allowed
+}
+
+PUBLIC int Policy_SetVolume(EndpointTypeT endpointType, endpointID_t endpointID, char *volumeStr, int rampTimeMS)
+{
+    return 1; // Policy allowed
+}
+
+PUBLIC int Policy_SetProperty(EndpointTypeT endpointType, endpointID_t endpointID, char *propertyName, char *propValueStr, int rampTimeMS)
+{
+    return 1; // Policy allowed
+}
+
+
+PUBLIC int Policy_SetState(EndpointTypeT endpointType, endpointID_t endpointID, char *pStateName, char *pStateValue)
+{
+
+
+    //Mute
+    if(strcmp(pStateName, AUDIOHL_STATE_NAME_MUTE) == 0)
+    {
+        if(strcmp(pStateName, AUDIOHL_STATE_NAME_MUTE) == 0)
+
+
+        return AUDIOHL_POLICY_ACCEPT;    
+    }
+
+    //Retrieve global context 
+
+
+    //Active rule check
+ 
+    //Ducking rule settings
+
+
+    return AUDIOHL_POLICY_ACCEPT;    
+}
+
+PUBLIC int Policy_PostSoundEvent(char *eventName, char *audioRole, char *mediaName, void *audioContext)
+{
+    return 1; // Policy allowed
+}
+
+PUBLIC int Policy_AudioDeviceChange()
+{
+    // Allow or disallow a new audio device
+    // Raise events to engage device switching
+    // Policy can also assign audio role(s) for device
+    return 1; // Policy allowed
+}
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