mirror of
https://github.com/WinampDesktop/winamp.git
synced 2024-12-12 06:21:05 +01:00
105 lines
2.7 KiB
C
105 lines
2.7 KiB
C
|
/*
|
||
|
* Bridge.h
|
||
|
* --------
|
||
|
* Purpose: VST plugin bridge (plugin side)
|
||
|
* Notes : (currently none)
|
||
|
* Authors: OpenMPT Devs
|
||
|
* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
|
||
|
*/
|
||
|
|
||
|
|
||
|
#pragma once
|
||
|
|
||
|
#include "openmpt/all/BuildSettings.hpp"
|
||
|
#include <atomic>
|
||
|
|
||
|
#include "BridgeCommon.h"
|
||
|
|
||
|
|
||
|
OPENMPT_NAMESPACE_BEGIN
|
||
|
|
||
|
class PluginBridge : private BridgeCommon
|
||
|
{
|
||
|
public:
|
||
|
static bool m_fullMemDump;
|
||
|
|
||
|
protected:
|
||
|
enum TimerID : UINT
|
||
|
{
|
||
|
TIMER_IDLE = 1,
|
||
|
};
|
||
|
|
||
|
static PluginBridge *m_latestInstance;
|
||
|
static ATOM m_editorClassAtom;
|
||
|
|
||
|
// Plugin
|
||
|
Vst::AEffect *m_nativeEffect = nullptr;
|
||
|
HMODULE m_library = nullptr;
|
||
|
HWND m_window = nullptr;
|
||
|
int m_windowWidth = 0, m_windowHeight = 0;
|
||
|
std::atomic<bool> m_isProcessing = false;
|
||
|
|
||
|
// Static memory for host-to-plugin pointers
|
||
|
union
|
||
|
{
|
||
|
Vst::VstSpeakerArrangement speakerArrangement;
|
||
|
char name[256];
|
||
|
} m_host2PlugMem;
|
||
|
std::vector<char> m_eventCache; // Cached VST (MIDI) events
|
||
|
std::vector<char> m_fileSelectCache; // Cached VstFileSelect data
|
||
|
|
||
|
// Pointers to sample data
|
||
|
std::vector<void *> m_sampleBuffers;
|
||
|
uint32 m_mixBufSize = 0;
|
||
|
|
||
|
HANDLE m_audioThread = nullptr;
|
||
|
Event m_sigThreadExit; // Signal to kill audio thread
|
||
|
|
||
|
bool m_needIdle = false; // Plugin needs idle time
|
||
|
|
||
|
public:
|
||
|
PluginBridge(const wchar_t *memName, HANDLE otherProcess);
|
||
|
~PluginBridge();
|
||
|
|
||
|
PluginBridge(const PluginBridge&) = delete;
|
||
|
PluginBridge &operator=(const PluginBridge&) = delete;
|
||
|
|
||
|
static void MainLoop(TCHAR *argv[]);
|
||
|
|
||
|
protected:
|
||
|
void RequestDelete();
|
||
|
|
||
|
bool SendToHost(BridgeMessage &sendMsg);
|
||
|
|
||
|
void UpdateEffectStruct();
|
||
|
void CreateProcessingFile(std::vector<char> &dispatchData);
|
||
|
|
||
|
void ParseNextMessage(int msgID);
|
||
|
void NewInstance(NewInstanceMsg &msg);
|
||
|
void InitBridge(InitMsg &msg);
|
||
|
void DispatchToPlugin(DispatchMsg &msg);
|
||
|
void SetParameter(ParameterMsg &msg);
|
||
|
void GetParameter(ParameterMsg &msg);
|
||
|
void AutomateParameters();
|
||
|
void Process();
|
||
|
void ProcessReplacing();
|
||
|
void ProcessDoubleReplacing();
|
||
|
intptr_t DispatchToHost(Vst::VstOpcodeToHost opcode, int32 index, intptr_t value, void *ptr, float opt);
|
||
|
void SendErrorMessage(const wchar_t *str);
|
||
|
intptr_t Dispatch(Vst::VstOpcodeToPlugin opcode, int32 index, intptr_t value, void *ptr, float opt);
|
||
|
|
||
|
template<typename buf_t>
|
||
|
int32 BuildProcessPointers(buf_t **(&inPointers), buf_t **(&outPointers));
|
||
|
|
||
|
static DWORD WINAPI AudioThread(LPVOID param);
|
||
|
void AudioThread();
|
||
|
|
||
|
static LRESULT CALLBACK WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
|
||
|
static void CALLBACK IdleTimerProc(HWND hwnd, UINT message, UINT_PTR idTimer, DWORD dwTime);
|
||
|
|
||
|
static intptr_t VSTCALLBACK MasterCallback(Vst::AEffect *effect, Vst::VstOpcodeToHost, int32 index, intptr_t value, void *ptr, float opt);
|
||
|
};
|
||
|
|
||
|
|
||
|
OPENMPT_NAMESPACE_END
|