source/backend/engine/CarlaEngineClient.hpp

   1 /*
   2  * Carla Plugin Host
   3  * Copyright (C) 2011-2022 Filipe Coelho <falktx@falktx.com>
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation; either version 2 of
   8  * the License, or any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * For a full copy of the GNU General Public License see the doc/GPL.txt file.
  16  */
  17
  18 #ifndef CARLA_ENGINE_CLIENT_HPP_INCLUDED
  19 #define CARLA_ENGINE_CLIENT_HPP_INCLUDED
  20
  21 #include "CarlaEngine.hpp"
  22 #include "CarlaEnginePorts.hpp"
  23 #include "CarlaPlugin.hpp"
  24
  25 #include "CarlaStringList.hpp"
  26
  27 CARLA_BACKEND_START_NAMESPACE
  28
  29 // -----------------------------------------------------------------------
  30 // Carla Engine Client Protected Data
  31
  32 struct CarlaEngineClient::ProtectedData {
  33     const CarlaEngine& engine;
  34
  35     bool     active;
  36     uint32_t latency;
  37
  38 #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH
  39     CarlaEngineCVSourcePortsForStandalone cvSourcePorts;
  40     EngineInternalGraph& egraph;
  41     CarlaPluginPtr plugin;
  42 #endif
  43
  44     CarlaStringList audioInList;
  45     CarlaStringList audioOutList;
  46     CarlaStringList cvInList;
  47     CarlaStringList cvOutList;
  48     CarlaStringList eventInList;
  49     CarlaStringList eventOutList;
  50
  51 #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH
  52     ProtectedData(const CarlaEngine& eng, EngineInternalGraph& eg, CarlaPluginPtr p) noexcept;
  53 #else
  54     ProtectedData(const CarlaEngine& eng) noexcept;
  55 #endif
  56     ~ProtectedData();
  57
  58     void addAudioPortName(bool isInput, const char* name);
  59     void addCVPortName(bool isInput, const char* name);
  60     void addEventPortName(bool isInput, const char* name);
  61     void clearPorts();
  62     const char* getUniquePortName(const char* name);
  63
  64 #ifdef CARLA_PROPER_CPP11_SUPPORT
  65     ProtectedData() = delete;
  66     CARLA_DECLARE_NON_COPYABLE(ProtectedData)
  67 #endif
  68 };
  69
  70 // -----------------------------------------------------------------------
  71 // Carla Engine Client
  72
  73 #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH
  74 class CarlaEngineClientForStandalone : public CarlaEngineClient
  75 {
  76 public:
  77     CarlaEngineClientForStandalone(const CarlaEngine& engine,
  78                                    EngineInternalGraph& egraph,
  79                                    const CarlaPluginPtr plugin)
  80         : CarlaEngineClient(new ProtectedData(engine, egraph, plugin)) {}
  81
  82     ~CarlaEngineClientForStandalone() noexcept override
  83     {
  84         carla_debug("CarlaEngineClientForStandalone::~CarlaEngineClientForStandalone()");
  85         delete pData;
  86     }
  87
  88 protected:
  89     inline PatchbayGraph* getPatchbayGraphOrNull() const noexcept
  90     {
  91         return pData->egraph.getPatchbayGraphOrNull();
  92     }
  93
  94     inline CarlaPluginPtr getPlugin() const noexcept
  95     {
  96         return pData->plugin;
  97     }
  98
  99     CARLA_DECLARE_NON_COPYABLE(CarlaEngineClientForStandalone)
 100 };
 101 typedef CarlaEngineClientForStandalone CarlaEngineClientForSubclassing;
 102 #else
 103 class CarlaEngineClientForBridge : public CarlaEngineClient
 104 {
 105 public:
 106     CarlaEngineClientForBridge(const CarlaEngine& engine)
 107         : CarlaEngineClient(new ProtectedData(engine)) {}
 108
 109     ~CarlaEngineClientForBridge() override
 110     {
 111         carla_debug("CarlaEngineClientForBridge::~CarlaEngineClientForBridge()");
 112         delete pData;
 113     }
 114
 115     CARLA_DECLARE_NON_COPYABLE(CarlaEngineClientForBridge)
 116 };
 117 typedef CarlaEngineClientForBridge CarlaEngineClientForSubclassing;
 118 #endif
 119
 120 // -----------------------------------------------------------------------
 121
 122 CARLA_BACKEND_END_NAMESPACE
 123
 124 #endif // CARLA_ENGINE_CLIENT_HPP_INCLUDED