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/*************************************************************************** |
/*************************************************************************** |
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* * |
* * |
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* Copyright (C) 2008 Andreas Persson * |
* Copyright (C) 2008 - 2013 Andreas Persson * |
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* * |
* * |
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* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
* it under the terms of the GNU General Public License as published by * |
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#ifdef WIN32 |
#ifdef WIN32 |
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#include <tchar.h> |
#include <tchar.h> |
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#else |
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#include <cerrno> |
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#include <signal.h> |
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#include <sys/wait.h> |
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#include <unistd.h> |
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#include <dirent.h> |
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#include <sys/stat.h> |
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#endif |
#endif |
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#include "PluginVst.h" |
#include "PluginVst.h" |
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#include "../../drivers/midi/MidiInstrumentMapper.h" |
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#ifndef CHANNELS |
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#define CHANNELS 32 |
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#endif |
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// the sampler can actually hold up a very huge amount of programs |
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// (2^32 [maps] * 2^16 [banks MSB + LSB] * 2^8 [programs per bank] = 2^56 [total programs] ) |
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// however I am not sure if we might crash some VST host with a number |
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// here that is too huge, however this should be enough in most cases ... |
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#define MAX_VST_PROGRAMS (128*128) |
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using namespace LinuxSampler; |
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namespace { |
namespace { |
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LinuxSampler::Mutex logmutex; |
LinuxSampler::Mutex logmutex; |
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void log(const char* fmt, ...) { |
void log(const char* fmt, ...) { |
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logmutex.Lock(); |
LockGuard lock(logmutex); |
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FILE* f = fopen("C:\\linuxsamplervst.log", "a"); |
FILE* f = fopen((String(getenv("TEMP")) + "\\linuxsamplervst.log").c_str(), "a"); |
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va_list ap; |
va_list ap; |
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va_start(ap, fmt); |
va_start(ap, fmt); |
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vfprintf(f, fmt, ap); |
vfprintf(f, fmt, ap); |
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va_end(ap); |
va_end(ap); |
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fclose(f); |
fclose(f); |
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logmutex.Unlock(); |
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} |
} |
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#undef dmsg |
#undef dmsg |
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#define dmsg(debuglevel,x) log x; |
#define dmsg(debuglevel,x) log x; |
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#endif |
#endif |
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// *************** LinuxSamplerVstProgram *************** |
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// * |
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LinuxSamplerVstProgram::LinuxSamplerVstProgram() { |
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vst_strncpy(name, "Basic", kVstMaxProgNameLen); |
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} |
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// *************** LinuxSamplerEditor *************** |
// *************** LinuxSamplerEditor *************** |
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// * |
// * |
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dmsg(2, ("-->LinuxSamplerEditor constructor\n")); |
dmsg(2, ("-->LinuxSamplerEditor constructor\n")); |
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#ifdef WIN32 |
#ifdef WIN32 |
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ProcessHandle = INVALID_HANDLE_VALUE; |
ProcessHandle = INVALID_HANDLE_VALUE; |
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#else |
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pid = 0; |
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#endif |
#endif |
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} |
} |
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close(); |
close(); |
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} |
} |
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bool LinuxSamplerEditor::open(void* ptr) { |
String LinuxSamplerEditor::FindFantasia() { |
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dmsg(2, ("-->LinuxSamplerEditor::open\n")); |
String fantasia; |
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AEffEditor::open(ptr); |
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#ifdef WIN32 |
#ifdef WIN32 |
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// try to start the JSample Fantasia GUI as a separate process |
// assume Fantasia is in the same directory or one directory above |
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// the liblinuxsampler dll |
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ProcessHandle = INVALID_HANDLE_VALUE; |
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// assume Fantasia is in the same directory as the |
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// liblinuxsampler dll |
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String lspath = LinuxSampler::Sampler::GetInstallDir(); |
String lspath = LinuxSampler::Sampler::GetInstallDir(); |
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if (!lspath.empty()) { |
if (!lspath.empty()) { |
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lspath += "\\"; |
lspath += "\\"; |
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WIN32_FIND_DATA fd; |
WIN32_FIND_DATA fd; |
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HANDLE hFind = FindFirstFile((lspath + "Fantasia*.jar").c_str(), &fd); |
HANDLE hFind = |
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FindFirstFile((lspath + "Fantasia*.jar").c_str(), &fd); |
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if (hFind == INVALID_HANDLE_VALUE) { |
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lspath += "..\\"; |
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hFind = FindFirstFile((lspath + "Fantasia*.jar").c_str(), &fd); |
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} |
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if (hFind != INVALID_HANDLE_VALUE) { |
if (hFind != INVALID_HANDLE_VALUE) { |
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String fantasia(fd.cFileName); |
fantasia = fd.cFileName; |
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FindClose(hFind); |
FindClose(hFind); |
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return lspath + fantasia; |
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} |
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} |
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#elif defined(__APPLE__) |
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// look for the java application wrapper |
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const char* cmd = |
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"/Applications/LinuxSampler/Fantasia.app" |
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"/Contents/MacOS/JavaApplicationStub"; |
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fantasia = String(getenv("HOME")) + cmd; |
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struct stat buf; |
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if (stat(fantasia.c_str(), &buf) != 0) { |
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fantasia = stat(cmd, &buf) == 0 ? cmd : ""; |
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} |
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#else |
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// search in <datadir>/java (default: /usr/local/share/java) |
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String path(DATADIR); |
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path += *(path.end() - 1) == '/' ? "java" : "/java"; |
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DIR* dir = opendir(path.c_str()); |
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if (dir) { |
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while (dirent* d = readdir(dir)) { |
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const char* name = d->d_name; |
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if (strncmp("Fantasia", name, 8) == 0 && |
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strcmp(name + strlen(name) - 4, ".jar") == 0) { |
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fantasia = path + "/" + name; |
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} |
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} |
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closedir(dir); |
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} |
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#endif |
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return fantasia; |
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} |
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bool LinuxSamplerEditor::open(void* ptr) { |
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dmsg(2, ("-->LinuxSamplerEditor::open\n")); |
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AEffEditor::open(ptr); |
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// start a java process |
// try to start the JSampler Fantasia GUI as a separate process |
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#ifdef WIN32 |
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// first check if it's already running |
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if (ProcessHandle != INVALID_HANDLE_VALUE) { |
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DWORD exitCode; |
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if (GetExitCodeProcess(ProcessHandle, &exitCode)) { |
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if (exitCode == STILL_ACTIVE) return true; |
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} |
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free(Command); |
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CloseHandle(ProcessHandle); |
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ProcessHandle = INVALID_HANDLE_VALUE; |
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} |
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String fantasia = FindFantasia(); |
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if (!fantasia.empty()) { |
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// start a java process |
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String path; // look in PATH first |
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for (int i = 0 ; i < 2 ; i++) { // two tries |
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STARTUPINFO si; |
STARTUPINFO si; |
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PROCESS_INFORMATION pi; |
PROCESS_INFORMATION pi; |
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ZeroMemory(&si, sizeof(si)); |
ZeroMemory(&si, sizeof(si)); |
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si.cb = sizeof(si); |
si.cb = sizeof(si); |
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ZeroMemory(&pi, sizeof(pi)); |
ZeroMemory(&pi, sizeof(pi)); |
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Command = _tcsdup(TEXT((String("javaw -jar \"") + lspath + fantasia + "\" &").c_str())); |
Command = _tcsdup(TEXT((String("\"") + path + |
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CreateProcess(NULL, Command, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi); |
"javaw\" -jar \"" + fantasia + |
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ProcessHandle = pi.hProcess; |
"\"").c_str())); |
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if (CreateProcess(NULL, Command, NULL, NULL, FALSE, 0, NULL, |
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NULL, &si, &pi)) { |
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ProcessHandle = pi.hProcess; |
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CloseHandle(pi.hThread); |
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break; |
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} else { |
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free(Command); |
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if (path.empty()) { |
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// java wasn't found in PATH, try again |
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// with an alternative directory |
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char* windir = getenv("windir"); |
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if (!windir) break; |
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#ifdef _WIN64 |
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// LS plugin is 64 bit - look for 32 bit java |
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path = String(windir) + "\\SysWOW64\\"; |
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#else |
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// LS plugin is 32 bit - look for 64 bit java |
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path = String(windir) + "\\Sysnative\\"; |
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#endif |
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} |
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} |
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} |
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} |
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#else |
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// first check if it's already running |
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if (pid && waitpid(pid, 0, WNOHANG) == 0) return true; |
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String fantasia = FindFantasia(); |
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if (!fantasia.empty()) |
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{ |
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// start a java process |
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pid = fork(); |
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if (pid == -1) { |
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dmsg(1, ("fork failed %d %s\n", errno, strerror(errno))); |
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pid = 0; |
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} else if (pid == 0) { |
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#ifdef __APPLE__ |
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execl(fantasia.c_str(), fantasia.c_str(), (char*)0); |
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#else |
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execlp("java", "java", "-jar", fantasia.c_str(), (char*)0); |
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#endif |
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dmsg(1, ("exec failed %d %s\n", errno, strerror(errno))); |
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// make sure something is executed, so the static |
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// destructors copied from the parent don't run |
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execl("/usr/bin/true", "/usr/bin/true", (char*)0); |
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} |
} |
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} |
} |
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#endif |
#endif |
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if (ProcessHandle != INVALID_HANDLE_VALUE) { |
if (ProcessHandle != INVALID_HANDLE_VALUE) { |
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TerminateProcess(ProcessHandle, 0); |
TerminateProcess(ProcessHandle, 0); |
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free(Command); |
free(Command); |
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CloseHandle(ProcessHandle); |
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ProcessHandle = INVALID_HANDLE_VALUE; |
ProcessHandle = INVALID_HANDLE_VALUE; |
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} |
} |
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#else |
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if (pid) { |
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kill(pid, SIGTERM); |
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waitpid(pid, 0, 0); |
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pid = 0; |
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} |
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#endif |
#endif |
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} |
} |
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ERect* r = new ERect(); |
ERect* r = new ERect(); |
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r->top = 0; |
r->top = 0; |
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r->left = 0; |
r->left = 0; |
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r->bottom = 0; |
r->bottom = 1; // 0 makes EnergyXT and Ardour on Linux crash |
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r->right = 400; |
r->right = 400; |
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*rect = r; |
*rect = r; |
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return true; |
return true; |
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// * |
// * |
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LinuxSamplerVst::LinuxSamplerVst(audioMasterCallback audioMaster) : |
LinuxSamplerVst::LinuxSamplerVst(audioMasterCallback audioMaster) : |
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AudioEffectX(audioMaster, NbPrograms, 0), |
AudioEffectX(audioMaster, MAX_VST_PROGRAMS, 0), |
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StateBuf(0) |
StateBuf(0) |
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{ |
{ |
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dmsg(2, ("-->constructor\n")); |
dmsg(2, ("-->constructor\n")); |
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Programs = new LinuxSamplerVstProgram[NbPrograms]; |
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setProgram(0); |
setProgram(0); |
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setNumInputs(0); |
setNumInputs(0); |
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setNumOutputs(2); |
setNumOutputs(CHANNELS); |
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canProcessReplacing(); |
canProcessReplacing(); |
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isSynth(); |
isSynth(); |
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programsAreChunks(); |
programsAreChunks(); |
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void LinuxSamplerVst::resume() { |
void LinuxSamplerVst::resume() { |
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dmsg(2, ("-->resume\n")); |
dmsg(2, ("-->resume\n")); |
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if (!pAudioDevice) { |
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Init(int(sampleRate), blockSize); |
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if (!SavedChunk.empty()) { |
// Ardour initially sets blockSize to zero - we postpone the |
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SetState(SavedChunk); |
// initialization until we have a blockSize |
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SavedChunk.clear(); |
if (blockSize != 0) { |
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if (!pAudioDevice) { |
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Init(int(sampleRate), blockSize, CHANNELS); |
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if (!SavedChunk.empty()) { |
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SetState(SavedChunk); |
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SavedChunk.clear(); |
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} else { |
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InitState(); |
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} |
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} else { |
} else { |
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InitState(); |
Init(int(sampleRate), blockSize, CHANNELS); |
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} |
} |
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} else { |
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Init(int(sampleRate), blockSize); |
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} |
} |
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AudioEffectX::resume(); |
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dmsg(2, ("<--resume\n")); |
dmsg(2, ("<--resume\n")); |
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} |
} |
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LinuxSamplerVst::~LinuxSamplerVst() { |
LinuxSamplerVst::~LinuxSamplerVst() { |
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dmsg(2, ("-->destructor\n")); |
dmsg(2, ("-->destructor\n")); |
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delete[] Programs; |
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if (StateBuf) free(StateBuf); |
if (StateBuf) free(StateBuf); |
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dmsg(2, ("<--destructor\n")); |
dmsg(2, ("<--destructor\n")); |
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} |
} |
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void LinuxSamplerVst::setProgram(VstInt32 program) { |
void LinuxSamplerVst::setProgram(VstInt32 program) { |
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if (program < 0 || program >= NbPrograms) return; |
if (program < 0 || program >= MAX_VST_PROGRAMS || |
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!pMidiDevice || !pMidiDevice->Port()) return; |
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curProgram = program; |
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int i = 0; |
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const std::vector<int> maps = MidiInstrumentMapper::Maps(); |
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for (int iMap = 0; iMap < maps.size(); ++iMap) { |
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const int mapID = maps[iMap]; |
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const std::map<midi_prog_index_t, MidiInstrumentMapper::entry_t> mappings = |
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MidiInstrumentMapper::Entries(maps[mapID]); |
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for (std::map<midi_prog_index_t, MidiInstrumentMapper::entry_t>::const_iterator iter = mappings.begin(); |
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iter != mappings.end(); ++iter, ++i) |
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{ |
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if (i == program) { |
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//TODO: switch MIDI instrument map before sending bank select and program change |
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const uint iMIDIChannel = 0; |
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pMidiDevice->Port()->DispatchBankSelectMsb(iter->first.midi_bank_msb, iMIDIChannel); |
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pMidiDevice->Port()->DispatchBankSelectLsb(iter->first.midi_bank_lsb, iMIDIChannel); |
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pMidiDevice->Port()->DispatchProgramChange(iter->first.midi_prog, iMIDIChannel); |
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curProgram = program; |
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return; |
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} |
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} |
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} |
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} |
} |
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void LinuxSamplerVst::setProgramName(char* name) { |
void LinuxSamplerVst::setProgramName(char* name) { |
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vst_strncpy(Programs[curProgram].name, name, kVstMaxProgNameLen); |
int i = 0; |
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const std::vector<int> maps = MidiInstrumentMapper::Maps(); |
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for (int iMap = 0; iMap < maps.size(); ++iMap) { |
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const int mapID = maps[iMap]; |
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const std::map<midi_prog_index_t, MidiInstrumentMapper::entry_t> mappings = |
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MidiInstrumentMapper::Entries(maps[mapID]); |
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for (std::map<midi_prog_index_t, MidiInstrumentMapper::entry_t>::const_iterator iter = mappings.begin(); |
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iter != mappings.end(); ++iter, ++i) |
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{ |
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if (i == curProgram) { |
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char buf[kVstMaxProgNameLen + 1] = {}; |
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vst_strncpy(buf, name, kVstMaxProgNameLen); |
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MidiInstrumentMapper::entry_t entry = iter->second; |
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entry.Name = buf; |
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try { |
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MidiInstrumentMapper::AddOrReplaceEntry( |
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mapID, iter->first, entry, false/*bInBackground*/ |
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); |
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} catch (Exception e) { |
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e.PrintMessage(); |
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} |
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return; |
359 |
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} |
360 |
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} |
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} |
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} |
} |
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void LinuxSamplerVst::getProgramName(char* name) { |
void LinuxSamplerVst::getProgramName(char* name) { |
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vst_strncpy(name, Programs[curProgram].name, kVstMaxProgNameLen); |
if (!getProgramNameIndexed(0 /*dont care*/, curProgram, name)) { |
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vst_strncpy(name, "unknown", kVstMaxProgNameLen); |
367 |
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} |
368 |
} |
} |
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bool LinuxSamplerVst::getProgramNameIndexed(VstInt32 /*category*/, VstInt32 index, |
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bool LinuxSamplerVst::getOutputProperties(VstInt32 index, |
char* text) |
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VstPinProperties* properties) { |
{ |
373 |
if (index < 2) { |
//NOTE: parameter 'category' is unused in VST 2.4 |
374 |
sprintf(properties->label, "LS %d", index + 1); |
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properties->flags = kVstPinIsActive | kVstPinIsStereo; |
int i = 0; |
376 |
return true; |
const std::vector<int> maps = MidiInstrumentMapper::Maps(); |
377 |
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for (int iMap = 0; iMap < maps.size(); ++iMap) { |
378 |
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const int mapID = maps[iMap]; |
379 |
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const std::map<midi_prog_index_t, MidiInstrumentMapper::entry_t> mappings = |
380 |
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MidiInstrumentMapper::Entries(maps[mapID]); |
381 |
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for (std::map<midi_prog_index_t, MidiInstrumentMapper::entry_t>::const_iterator iter = mappings.begin(); |
382 |
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iter != mappings.end(); ++iter, ++i) |
383 |
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{ |
384 |
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if (i == index) { |
385 |
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vst_strncpy(text, iter->second.Name.c_str(), kVstMaxProgNameLen); |
386 |
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return true; |
387 |
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} |
388 |
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} |
389 |
} |
} |
390 |
return false; |
return false; |
391 |
} |
} |
392 |
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bool LinuxSamplerVst::getProgramNameIndexed(VstInt32 category, VstInt32 index, |
bool LinuxSamplerVst::getOutputProperties(VstInt32 index, |
395 |
char* text) { |
VstPinProperties* properties) { |
396 |
if (index < NbPrograms) { |
if (index < CHANNELS) { |
397 |
vst_strncpy(text, Programs[index].name, kVstMaxProgNameLen); |
sprintf(properties->label, "LS %d", index + 1); |
398 |
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properties->flags = kVstPinIsActive | kVstPinIsStereo; |
399 |
return true; |
return true; |
400 |
} |
} |
401 |
return false; |
return false; |
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428 |
VstInt32 LinuxSamplerVst::canDo(char* text) { |
VstInt32 LinuxSamplerVst::canDo(char* text) { |
429 |
dmsg(2, ("canDo %s\n", text)); |
dmsg(2, ("canDo %s\n", text)); |
430 |
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431 |
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// supported features |
432 |
if (strcmp(text, "receiveVstEvents") == 0 || |
if (strcmp(text, "receiveVstEvents") == 0 || |
433 |
strcmp(text, "receiveVstMidiEvent") == 0) return 1; |
strcmp(text, "receiveVstMidiEvent") == 0 || |
434 |
return -1; |
strcmp(text, "midiProgramNames") == 0) return 1; |
435 |
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436 |
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// not supported features |
437 |
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if (strcmp(text, "sendVstEvents") == 0 || |
438 |
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strcmp(text, "sendVstMidiEvent") == 0 || |
439 |
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strcmp(text, "receiveVstTimeInfo") == 0 || |
440 |
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strcmp(text, "offline") == 0 || |
441 |
|
strcmp(text, "bypass") == 0) return -1; |
442 |
|
|
443 |
|
return 0; // "don't know", never heard of this feature |
444 |
} |
} |
445 |
|
|
446 |
void LinuxSamplerVst::setSampleRate(float sampleRate) { |
void LinuxSamplerVst::setSampleRate(float sampleRate) { |
457 |
void LinuxSamplerVst::processReplacing(float** inputs, float** outputs, |
void LinuxSamplerVst::processReplacing(float** inputs, float** outputs, |
458 |
VstInt32 sampleFrames) { |
VstInt32 sampleFrames) { |
459 |
if (pAudioDevice) { |
if (pAudioDevice) { |
460 |
pAudioDevice->Channel(0)->SetBuffer(outputs[0]); |
for (int i = 0 ; i < CHANNELS ; i++) { |
461 |
pAudioDevice->Channel(1)->SetBuffer(outputs[1]); |
pAudioDevice->Channel(i)->SetBuffer(outputs[i]); |
462 |
|
} |
463 |
pAudioDevice->Render(sampleFrames); |
pAudioDevice->Render(sampleFrames); |
464 |
} else { |
} else { |
465 |
memset(outputs[0], 0, sampleFrames * sizeof(float)); |
for (int i = 0 ; i < CHANNELS ; i++) { |
466 |
memset(outputs[1], 0, sampleFrames * sizeof(float)); |
memset(outputs[i], 0, sampleFrames * sizeof(float)); |
467 |
|
} |
468 |
} |
} |
469 |
} |
} |
470 |
|
|
493 |
StateBuf = strdup(state.c_str()); |
StateBuf = strdup(state.c_str()); |
494 |
*data = StateBuf; |
*data = StateBuf; |
495 |
dmsg(2, ("<--getChunk\n")); |
dmsg(2, ("<--getChunk\n")); |
496 |
return state.length() + 1; |
return (VstInt32) state.length() + 1; |
497 |
} |
} |
498 |
|
|
499 |
|
|