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/*****************************************************************************
Copyright (C) 2016-2017 by Colin Edwards.
Additional Code Copyright (C) 2016-2017 by c3r1c3 <c3r1c3@nevermindonline.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*****************************************************************************/
#ifndef OBS_STUDIO_VSTPLUGIN_H
#define OBS_STUDIO_VSTPLUGIN_H
#define BLOCK_SIZE 512
#include <mutex>
#include <atomic>
#include <string>
#include <QDirIterator>
#include <obs-module.h>
#include "aeffectx.h"
#include "vst-plugin-callbacks.hpp"
#include "EditorWidget.h"
#ifdef __APPLE__
#include <CoreFoundation/CoreFoundation.h>
#endif
class EditorWidget;
class VSTPlugin : public QObject {
Q_OBJECT
/* Because effect is always changed in UI thread, so lockEffect is only necessary for these situations:
1. access effect object outside of UI thread;
2. close/delete effect object any where. */
std::recursive_mutex lockEffect;
AEffect *effect = nullptr;
obs_source_t *sourceContext;
std::string pluginPath;
float **inputs = nullptr;
float **outputs = nullptr;
float **channelrefs = nullptr;
size_t numChannels = 0;
void createChannelBuffers(size_t count);
void cleanupChannelBuffers();
EditorWidget *editorWidget = nullptr;
bool editorOpened = false;
AEffect *loadEffect();
std::atomic_bool effectReady = false;
std::string sourceName;
std::string filterName;
char effectName[64];
// Remove below... or comment out
char vendorString[64];
VstTimeInfo mTimeInfo;
#ifdef __APPLE__
CFBundleRef bundle = NULL;
#elif WIN32
HINSTANCE dllHandle = nullptr;
#elif __linux__
void *soHandle = nullptr;
#endif
void unloadLibrary();
static intptr_t hostCallback_static(AEffect *effect, int32_t opcode,
int32_t index, intptr_t value,
void *ptr, float opt);
VstTimeInfo *GetTimeInfo();
float GetSampleRate();
public:
VSTPlugin(obs_source_t *sourceContext);
~VSTPlugin();
void loadEffectFromPath(const std::string &path);
void unloadEffect();
std::string getEffectPath();
std::string getChunk();
void setChunk(const std::string &data);
void setProgram(const int programNumber);
int getProgram();
void getSourceNames();
obs_audio_data *process(struct obs_audio_data *audio);
bool openInterfaceWhenActive = false;
bool vstLoaded();
bool isEditorOpen();
void onEditorClosed();
public slots:
void openEditor();
void closeEditor();
};
#endif // OBS_STUDIO_VSTPLUGIN_H
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