/* * Copyright (C) 2017 "Audiokinetic Inc" * Author Francois Thibault * * 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 #include #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 }