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authorTai Vuong <tvuong@audiokinetic.com>2017-09-12 16:33:39 -0400
committerTai Vuong <tvuong@audiokinetic.com>2017-09-12 16:33:39 -0400
commitd69dc9732886074e9f400961b500e70d5c8305d7 (patch)
treeec5d4bb353814d442e3e4d84430a5343fee7b0c8 /src/ahl-policy.c
parent9098015429bcc87a7b624ade16732848a9d90f67 (diff)
Pre-AudioWorkshop Demo
Diffstat (limited to '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
+} \ No newline at end of file