2 |
* * |
* * |
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* LinuxSampler - modular, streaming capable sampler * |
* LinuxSampler - modular, streaming capable sampler * |
4 |
* * |
* * |
5 |
* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
* Copyright (C) 2003-2004 by Benno Senoner and Christian Schoenebeck * |
6 |
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* Copyright (C) 2005-2009 Christian Schoenebeck * |
7 |
* * |
* * |
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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 * |
9 |
* 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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#include <getopt.h> |
#include <getopt.h> |
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#include <signal.h> |
#include <signal.h> |
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|
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#if defined(WIN32) |
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// require at least Windows 2000 for the GlobalMemoryStatusEx() call |
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#if _WIN32_WINNT < 0x0500 |
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#ifdef _WIN32_WINNT |
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#undef _WIN32_WINNT |
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#endif |
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#define _WIN32_WINNT 0x0500 |
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#endif |
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#endif |
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#include "Sampler.h" |
#include "Sampler.h" |
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#include "common/global_private.h" |
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#include "engines/EngineFactory.h" |
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#include "plugins/InstrumentEditorFactory.h" |
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#include "drivers/midi/MidiInputDeviceFactory.h" |
#include "drivers/midi/MidiInputDeviceFactory.h" |
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#include "drivers/audio/AudioOutputDeviceFactory.h" |
#include "drivers/audio/AudioOutputDeviceFactory.h" |
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#include "engines/gig/Profiler.h" |
#include "engines/gig/Profiler.h" |
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#include "network/lscpserver.h" |
#include "network/lscpserver.h" |
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#include "common/stacktrace.h" |
#include "common/stacktrace.h" |
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#include "common/Features.h" |
#include "common/Features.h" |
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#include "common/atomic.h" |
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|
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using namespace LinuxSampler; |
using namespace LinuxSampler; |
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|
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Sampler* pSampler = NULL; |
Sampler* pSampler = NULL; |
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LSCPServer* pLSCPServer = NULL; |
LSCPServer* pLSCPServer = NULL; |
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pthread_t main_thread; |
#if defined(WIN32) |
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// inet_aton seems missing under WIN32 |
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#ifndef INADDR_NONE |
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#define INADDR_NONE 0xffffffff |
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#endif |
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int inet_aton(const char *cp, struct in_addr *addr) |
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{ |
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addr->s_addr = inet_addr(cp); |
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return (addr->s_addr == INADDR_NONE) ? 0 : 1; |
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} |
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#else |
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pid_t main_pid; |
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#endif |
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bool bPrintStatistics = false; |
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bool profile = false; |
bool profile = false; |
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bool tune = true; |
bool tune = true; |
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static bool bShowStackTrace = false; |
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unsigned long int lscp_addr; |
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unsigned short int lscp_port; |
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|
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void parse_options(int argc, char **argv); |
void parse_options(int argc, char **argv); |
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void signal_handler(int signal); |
void signal_handler(int signal); |
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void kill_app(); |
void kill_app(); |
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static atomic_t running = ATOMIC_INIT(1); |
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|
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int main(int argc, char **argv) { |
int main(int argc, char **argv) { |
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|
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// initialize the stack trace mechanism with our binary file |
lscp_addr = htonl(LSCP_ADDR); |
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StackTraceInit(argv[0], -1); |
lscp_port = htons(LSCP_PORT); |
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|
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#if !defined(WIN32) |
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main_pid = getpid(); |
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#endif |
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main_thread = pthread_self(); |
// parse and assign command line options |
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parse_options(argc, argv); |
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|
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// setting signal handler for catching SIGINT (thus e.g. <CTRL><C>) |
// setting signal handler for catching SIGINT (thus e.g. <CTRL><C>) |
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signal(SIGINT, signal_handler); |
signal(SIGINT, signal_handler); |
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|
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// register signal handler for all unusual signals |
// initialize the stack trace mechanism with our binary file |
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// (we will print the stack trace and exit) |
// (if requested by command line option) |
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struct sigaction sact; |
if (bShowStackTrace) { |
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sigemptyset(&sact.sa_mask); |
#if defined(WIN32) |
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sact.sa_flags = 0; |
// FIXME: sigaction() not supported on WIN32, we ignore it for now |
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sact.sa_handler = signal_handler; |
#else |
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sigaction(SIGSEGV, &sact, NULL); |
StackTraceInit(argv[0], -1); |
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sigaction(SIGBUS, &sact, NULL); |
// register signal handler for all unusual signals |
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sigaction(SIGILL, &sact, NULL); |
// (we will print the stack trace and exit) |
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sigaction(SIGFPE, &sact, NULL); |
struct sigaction sact; |
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sigaction(SIGUSR1, &sact, NULL); |
sigemptyset(&sact.sa_mask); |
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sigaction(SIGUSR2, &sact, NULL); |
sact.sa_flags = 0; |
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sact.sa_handler = signal_handler; |
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// parse and assign command line options |
sigaction(SIGSEGV, &sact, NULL); |
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parse_options(argc, argv); |
sigaction(SIGBUS, &sact, NULL); |
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sigaction(SIGILL, &sact, NULL); |
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sigaction(SIGFPE, &sact, NULL); |
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sigaction(SIGUSR1, &sact, NULL); |
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sigaction(SIGUSR2, &sact, NULL); |
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#endif |
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} |
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|
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dmsg(1,("LinuxSampler %s\n", VERSION)); |
dmsg(1,("LinuxSampler %s\n", VERSION)); |
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dmsg(1,("Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck\n")); |
dmsg(1,("Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck\n")); |
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dmsg(1,("Copyright (C) 2005-2009 Christian Schoenebeck\n")); |
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|
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if (tune) |
#if defined(WIN32) |
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{ |
#if 0 |
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// detect and print system / CPU specific features |
// some WIN32 memory info code which tries to determine the maximum lockable amount of memory (for debug purposes) |
124 |
String sFeatures; |
SYSTEM_INFO siSysInfo; |
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Features::detect(); |
long physical_memory; |
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#if ARCH_X86 |
GetSystemInfo(&siSysInfo); |
127 |
if (Features::supportsMMX()) sFeatures += " MMX"; |
dmsg(2,("page size=%d\n", siSysInfo.dwPageSize)); |
128 |
if (Features::supportsSSE()) sFeatures += " SSE"; |
|
129 |
#endif // ARCH_X86 |
MEMORYSTATUSEX statex; |
130 |
if (!sFeatures.size()) sFeatures = " None"; |
statex.dwLength = sizeof (statex); |
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dmsg(1,("Detected features:%s\n",sFeatures.c_str())); |
GlobalMemoryStatusEx (&statex); |
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dmsg(2, ("There are %*I64d total Kbytes of physical memory.\n", |
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8, statex.ullTotalPhys)); |
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dmsg(2, ("There are %*I64d free Kbytes of physical memory.\n", |
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8, statex.ullAvailPhys)); |
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physical_memory = statex.ullTotalPhys; |
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|
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HANDLE hProcess = GetCurrentProcess(); |
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|
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unsigned long MinimumWorkingSetSize, MaximumWorkingSetSize; |
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unsigned long DefaultMinimumWorkingSetSize, DefaultMaximumWorkingSetSize; |
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unsigned long RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize; |
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int res; |
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res = GetProcessWorkingSetSize(hProcess, &DefaultMinimumWorkingSetSize, &DefaultMaximumWorkingSetSize); |
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RequestedMaximumWorkingSetSize = physical_memory - 2*1024*1024; |
148 |
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RequestedMinimumWorkingSetSize = RequestedMaximumWorkingSetSize; |
149 |
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|
150 |
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for(;;) { |
151 |
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dmsg(2,("TRYING VALUES RequestedMinimumWorkingSetSize=%d, RequestedMaximumWorkingSetSize=%d\n", RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize)); |
152 |
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res = SetProcessWorkingSetSize(hProcess, RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize); |
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dmsg(2,("AFTER SET: res = %d RequestedMinimumWorkingSetSize=%d, RequestedMaximumWorkingSetSize=%d\n", res,RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize)); |
154 |
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res = GetProcessWorkingSetSize(hProcess, &MinimumWorkingSetSize, &MaximumWorkingSetSize); |
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dmsg(2,("AFTER GET: res = %d MinimumWorkingSetSize=%d, MaximumWorkingSetSize=%d\n", res,MinimumWorkingSetSize, MaximumWorkingSetSize)); |
157 |
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158 |
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if( RequestedMinimumWorkingSetSize == MinimumWorkingSetSize ) { |
159 |
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dmsg(2,("RequestedMinimumWorkingSetSize == MinimumWorkingSetSize. OK !\n")); |
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break; |
161 |
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} |
162 |
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RequestedMinimumWorkingSetSize -= 10*1024*1024; |
164 |
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if(RequestedMinimumWorkingSetSize < DefaultMinimumWorkingSetSize) break; |
165 |
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} |
166 |
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dmsg(2,("AFTER GetProcessWorkingSetSize: res = %d MinimumWorkingSetSize=%d, MaximumWorkingSetSize=%d\n", res,MinimumWorkingSetSize, MaximumWorkingSetSize)); |
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#endif |
169 |
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#endif // WIN32 |
170 |
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171 |
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if (tune) { |
172 |
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// detect and print system / CPU specific features |
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Features::detect(); |
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dmsg(1,("Detected features: %s\n", Features::featuresAsString().c_str())); |
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// prevent slow denormal FPU modes |
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Features::enableDenormalsAreZeroMode(); |
177 |
} |
} |
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dmsg(1,("Automatic Stacktrace: %s\n", (bShowStackTrace) ? "On" : "Off")); |
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|
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// create LinuxSampler instance |
// create LinuxSampler instance |
182 |
dmsg(1,("Creating Sampler...")); |
dmsg(1,("Creating Sampler...")); |
183 |
pSampler = new Sampler; |
pSampler = new Sampler; |
184 |
dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
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|
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dmsg(1,("Registered sampler engines: %s\n", EngineFactory::AvailableEngineTypesAsString().c_str())); |
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dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str())); |
dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str())); |
188 |
dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str())); |
dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str())); |
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dmsg(1,("Registered instrument editors: %s\n", InstrumentEditorFactory::AvailableEditorsAsString().c_str())); |
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|
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// start LSCP network server |
// start LSCP network server |
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dmsg(1,("Starting LSCP network server (on TCP port %d)...", LSCP_PORT)); |
struct in_addr addr; |
193 |
pLSCPServer = new LSCPServer(pSampler); |
addr.s_addr = lscp_addr; |
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dmsg(1,("Starting LSCP network server (%s:%d)...", inet_ntoa(addr), ntohs(lscp_port))); |
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pLSCPServer = new LSCPServer(pSampler, lscp_addr, lscp_port); |
196 |
pLSCPServer->StartThread(); |
pLSCPServer->StartThread(); |
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pLSCPServer->WaitUntilInitialized(); |
pLSCPServer->WaitUntilInitialized(); |
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dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
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|
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if (profile) |
if (profile) |
201 |
{ |
{ |
202 |
dmsg(1,("Calibrating profiler...")); |
dmsg(1,("Calibrating profiler...")); |
203 |
gig::Profiler::Calibrate(); |
LinuxSampler::gig::Profiler::Calibrate(); |
204 |
gig::Profiler::Reset(); |
LinuxSampler::gig::Profiler::Reset(); |
205 |
dmsg(1,("OK\n")); |
LinuxSampler::gig::Profiler::enable(); |
206 |
} |
dmsg(1,("OK\n")); |
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printf("LinuxSampler initialization completed.\n"); |
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while(true) { |
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/*printf("Voices: %3.3d (Max: %3.3d) Streams: %3.3d (Max: %3.3d, Unused: %3.3d)\r", |
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pEngine->ActiveVoiceCount, pEngine->ActiveVoiceCountMax, |
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pEngine->pDiskThread->ActiveStreamCount, pEngine->pDiskThread->ActiveStreamCountMax, Stream::GetUnusedStreams()); |
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fflush(stdout);*/ |
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sleep(1); |
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if (profile) |
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{ |
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unsigned int samplingFreq = 48000; //FIXME: hardcoded for now |
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unsigned int bv = gig::Profiler::GetBogoVoices(samplingFreq); |
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if (bv != 0) |
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{ |
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printf(" BogoVoices: %i \r", bv); |
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fflush(stdout); |
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} |
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} |
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207 |
} |
} |
208 |
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209 |
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printf("LinuxSampler initialization completed. :-)\n\n"); |
210 |
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211 |
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while (atomic_read(&running)) { |
212 |
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if (bPrintStatistics) { |
213 |
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const std::set<Engine*>& engines = EngineFactory::EngineInstances(); |
214 |
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std::set<Engine*>::iterator itEngine = engines.begin(); |
215 |
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for (int i = 0; itEngine != engines.end(); itEngine++, i++) { |
216 |
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Engine* pEngine = *itEngine; |
217 |
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printf("Engine %d) Voices: %3.3d (Max: %3.3d) Streams: %3.3d (Max: %3.3d)\n", i, |
218 |
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pEngine->VoiceCount(), pEngine->VoiceCountMax(), |
219 |
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pEngine->DiskStreamCount(), pEngine->DiskStreamCountMax() |
220 |
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); |
221 |
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fflush(stdout); |
222 |
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} |
223 |
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} |
224 |
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225 |
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sleep(1); |
226 |
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if (profile) |
227 |
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{ |
228 |
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unsigned int samplingFreq = 48000; //FIXME: hardcoded for now |
229 |
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unsigned int bv = LinuxSampler::gig::Profiler::GetBogoVoices(samplingFreq); |
230 |
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if (bv != 0) |
231 |
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{ |
232 |
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printf(" BogoVoices: %i \r", bv); |
233 |
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fflush(stdout); |
234 |
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} |
235 |
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} |
236 |
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237 |
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pSampler->fireStatistics(); |
238 |
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} |
239 |
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if (pLSCPServer) pLSCPServer->StopThread(); |
240 |
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// the delete order here is important: the Sampler |
241 |
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// destructor sends notifications to the lscpserver |
242 |
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if (pSampler) delete pSampler; |
243 |
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if (pLSCPServer) delete pLSCPServer; |
244 |
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printf("LinuxSampler stopped due to SIGINT.\n"); |
245 |
return EXIT_SUCCESS; |
return EXIT_SUCCESS; |
246 |
} |
} |
247 |
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|
248 |
void signal_handler(int iSignal) { |
void signal_handler(int iSignal) { |
249 |
switch (iSignal) { |
switch (iSignal) { |
250 |
case SIGINT: { |
case SIGINT: |
251 |
if (pthread_equal(pthread_self(), main_thread)) { |
atomic_set(&running, 0); |
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if (pLSCPServer) { |
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pLSCPServer->StopThread(); |
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delete pLSCPServer; |
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} |
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if (pSampler) delete pSampler; |
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printf("LinuxSampler stopped due to SIGINT.\n"); |
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exit(EXIT_SUCCESS); |
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} |
|
252 |
return; |
return; |
253 |
} |
#if defined(WIN32) |
254 |
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// FIXME: under WIN32 we ignore the signals below due to the missing sigaction call |
255 |
|
#else |
256 |
case SIGSEGV: |
case SIGSEGV: |
257 |
std::cerr << ">>> FATAL ERROR: Segmentation fault (SIGSEGV) occured! <<<\n" << std::flush; |
std::cerr << ">>> FATAL ERROR: Segmentation fault (SIGSEGV) occured! <<<\n" << std::flush; |
258 |
break; |
break; |
271 |
case SIGUSR2: |
case SIGUSR2: |
272 |
std::cerr << ">>> User defined signal 2 (SIGUSR2) received <<<\n" << std::flush; |
std::cerr << ">>> User defined signal 2 (SIGUSR2) received <<<\n" << std::flush; |
273 |
break; |
break; |
274 |
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#endif |
275 |
default: { // this should never happen, as we register for the signals we want |
default: { // this should never happen, as we register for the signals we want |
276 |
std::cerr << ">>> FATAL ERROR: Unknown signal received! <<<\n" << std::flush; |
std::cerr << ">>> FATAL ERROR: Unknown signal received! <<<\n" << std::flush; |
277 |
break; |
break; |
278 |
} |
} |
279 |
} |
} |
280 |
signal(iSignal, SIG_DFL); // Reinstall default handler to prevent race conditions |
signal(iSignal, SIG_DFL); // Reinstall default handler to prevent race conditions |
281 |
std::cerr << "Showing stack trace...\n" << std::flush; |
if (bShowStackTrace) { |
282 |
StackTrace(); |
std::cerr << "Showing stack trace...\n" << std::flush; |
283 |
sleep(2); |
StackTrace(); |
284 |
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sleep(2); |
285 |
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} |
286 |
std::cerr << "Killing LinuxSampler...\n" << std::flush; |
std::cerr << "Killing LinuxSampler...\n" << std::flush; |
287 |
kill_app(); // Use abort() if we want to generate a core dump. |
kill_app(); // Use abort() if we want to generate a core dump. |
288 |
} |
} |
289 |
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|
290 |
void kill_app() { |
void kill_app() { |
291 |
kill(main_thread, SIGKILL); |
#if defined(WIN32) |
292 |
|
// FIXME: do we need to do anything at this point under WIN32 ? is exit(0) ok ? |
293 |
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exit(0); |
294 |
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#else |
295 |
|
kill(main_pid, SIGKILL); |
296 |
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#endif |
297 |
} |
} |
298 |
|
|
299 |
void parse_options(int argc, char **argv) { |
void parse_options(int argc, char **argv) { |
305 |
{"version",0,0,0}, |
{"version",0,0,0}, |
306 |
{"profile",0,0,0}, |
{"profile",0,0,0}, |
307 |
{"no-tune",0,0,0}, |
{"no-tune",0,0,0}, |
308 |
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{"statistics",0,0,0}, |
309 |
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{"instruments-db-location",1,0,0}, |
310 |
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{"create-instruments-db",1,0,0}, |
311 |
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{"lscp-addr",1,0,0}, |
312 |
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{"lscp-port",1,0,0}, |
313 |
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{"stacktrace",0,0,0}, |
314 |
{0,0,0,0} |
{0,0,0,0} |
315 |
}; |
}; |
316 |
|
|
317 |
while (true) { |
while (true) { |
318 |
res = getopt_long_only(argc, argv, "", long_options, &option_index); |
/* |
319 |
|
Stephane Letz : letz@grame.fr |
320 |
|
getopt_long_only does not exist on OSX : replaced by getopt_long for now. |
321 |
|
*/ |
322 |
|
res = getopt_long(argc, argv, "", long_options, &option_index); |
323 |
if(res == -1) break; |
if(res == -1) break; |
324 |
if (res == 0) { |
if (res == 0) { |
325 |
switch(option_index) { |
switch(option_index) { |
326 |
case 0: // --help |
case 0: // --help |
327 |
printf("usage: linuxsampler [OPTIONS]\n\n"); |
printf("usage: linuxsampler [OPTIONS]\n\n"); |
328 |
printf("--help prints this message\n"); |
printf("--help prints this message\n"); |
329 |
printf("--version prints version information\n"); |
printf("--version prints version information\n"); |
330 |
printf("--profile profile synthesis algorithms\n"); |
printf("--profile profile synthesis algorithms\n"); |
331 |
printf("--no-tune disable assembly optimization\n"); |
printf("--no-tune disable assembly optimization\n"); |
332 |
|
printf("--statistics periodically prints statistics\n"); |
333 |
|
printf("--lscp-addr set LSCP address (default: any)\n"); |
334 |
|
printf("--lscp-port set LSCP port (default: 8888)\n"); |
335 |
|
printf("--create-instruments-db creates an instruments DB\n"); |
336 |
|
printf("--instruments-db-location specifies the instruments DB file\n"); |
337 |
|
printf("--stacktrace automatically shows stacktrace if crashes\n"); |
338 |
|
printf(" (broken on most systems at the moment)\n"); |
339 |
exit(EXIT_SUCCESS); |
exit(EXIT_SUCCESS); |
340 |
break; |
break; |
341 |
case 1: // --version |
case 1: // --version |
343 |
exit(EXIT_SUCCESS); |
exit(EXIT_SUCCESS); |
344 |
break; |
break; |
345 |
case 2: // --profile |
case 2: // --profile |
346 |
profile = true; |
profile = true; |
347 |
break; |
break; |
348 |
case 3: // --no-tune |
case 3: // --no-tune |
349 |
tune = false; |
tune = false; |
350 |
|
break; |
351 |
|
case 4: // --statistics |
352 |
|
bPrintStatistics = true; |
353 |
|
break; |
354 |
|
case 5: // --instruments-db-location |
355 |
|
#if HAVE_SQLITE3 |
356 |
|
try { |
357 |
|
if (optarg) { |
358 |
|
struct stat statBuf; |
359 |
|
int res = stat(optarg, &statBuf); |
360 |
|
|
361 |
|
if (res) { |
362 |
|
std::stringstream ss; |
363 |
|
ss << "Failed to stat `" << optarg << "`: " << strerror(errno); |
364 |
|
throw Exception(ss.str()); |
365 |
|
} |
366 |
|
|
367 |
|
if (!S_ISREG(statBuf.st_mode)) { |
368 |
|
std::stringstream ss; |
369 |
|
ss << "`" << optarg << "` is not a regular file"; |
370 |
|
throw Exception(ss.str()); |
371 |
|
} |
372 |
|
|
373 |
|
InstrumentsDb::GetInstrumentsDb()->SetDbFile(String(optarg)); |
374 |
|
} |
375 |
|
} catch(Exception e) { |
376 |
|
std::cerr << "Could not open instruments DB file: " |
377 |
|
<< e.Message() << std::endl; |
378 |
|
exit(EXIT_FAILURE); |
379 |
|
} |
380 |
|
break; |
381 |
|
#else |
382 |
|
std::cerr << "LinuxSampler was not build with "; |
383 |
|
std::cerr << "instruments database support!\n"; |
384 |
|
exit(EXIT_FAILURE); |
385 |
|
break; |
386 |
|
#endif |
387 |
|
case 6: // --create-instruments-db |
388 |
|
#if HAVE_SQLITE3 |
389 |
|
try { |
390 |
|
if (optarg) { |
391 |
|
std::cout << "Creating instruments database..." << std::endl; |
392 |
|
InstrumentsDb::CreateInstrumentsDb(String(optarg)); |
393 |
|
std::cout << "Done" << std::endl; |
394 |
|
} |
395 |
|
} catch(Exception e) { |
396 |
|
std::cerr << e.Message() << std::endl; |
397 |
|
exit(EXIT_FAILURE); |
398 |
|
return; |
399 |
|
} |
400 |
|
|
401 |
|
exit(EXIT_SUCCESS); |
402 |
|
return; |
403 |
|
#else |
404 |
|
std::cerr << "Failed to create the database. LinuxSampler was "; |
405 |
|
std::cerr << "not build with instruments database support!\n"; |
406 |
|
exit(EXIT_FAILURE); |
407 |
|
return; |
408 |
|
#endif |
409 |
|
case 7: { // --lscp-addr |
410 |
|
struct in_addr addr; |
411 |
|
if (inet_aton(optarg, &addr) == 0) |
412 |
|
printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n"); |
413 |
|
else |
414 |
|
lscp_addr = addr.s_addr; |
415 |
|
break; |
416 |
|
} |
417 |
|
case 8: {// --lscp-port |
418 |
|
long unsigned int port = 0; |
419 |
|
if ((sscanf(optarg, "%u", &port) != 1) || (port == 0) || (port > 65535)) |
420 |
|
printf("WARNING: Failed to parse lscp-port argument, ignoring!\n"); |
421 |
|
else |
422 |
|
lscp_port = htons(port); |
423 |
|
break; |
424 |
|
} |
425 |
|
case 9: // --stacktrace |
426 |
|
bShowStackTrace = true; |
427 |
break; |
break; |
428 |
} |
} |
429 |
} |
} |