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* * |
* * |
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* LinuxSampler - modular, streaming capable sampler * |
* LinuxSampler - modular, streaming capable sampler * |
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* * |
* * |
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* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
* Copyright (C) 2003-2004 by Benno Senoner and Christian Schoenebeck * |
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* Copyright (C) 2005-2007 Christian Schoenebeck * |
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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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#include <signal.h> |
#include <signal.h> |
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|
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#include "Sampler.h" |
#include "Sampler.h" |
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#include "engines/EngineFactory.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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Sampler* pSampler = NULL; |
Sampler* pSampler = NULL; |
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LSCPServer* pLSCPServer = NULL; |
LSCPServer* pLSCPServer = NULL; |
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pthread_t main_thread; |
pthread_t main_thread; |
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pid_t main_pid; |
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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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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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// initialize the stack trace mechanism with our binary file |
// initialize the stack trace mechanism with our binary file |
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StackTraceInit(argv[0], -1); |
StackTraceInit(argv[0], -1); |
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|
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main_pid = getpid(); |
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main_thread = pthread_self(); |
main_thread = pthread_self(); |
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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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sigaction(SIGUSR1, &sact, NULL); |
sigaction(SIGUSR1, &sact, NULL); |
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sigaction(SIGUSR2, &sact, NULL); |
sigaction(SIGUSR2, &sact, NULL); |
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|
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lscp_addr = htonl(LSCP_ADDR); |
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lscp_port = htons(LSCP_PORT); |
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|
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// parse and assign command line options |
// parse and assign command line options |
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parse_options(argc, argv); |
parse_options(argc, argv); |
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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) 2005-2007 Christian Schoenebeck\n")); |
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|
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if (tune) |
if (tune) { |
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{ |
// detect and print system / CPU specific features |
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// detect and print system / CPU specific features |
Features::detect(); |
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String sFeatures; |
dmsg(1,("Detected features: %s\n", Features::featuresAsString().c_str())); |
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Features::detect(); |
// prevent slow denormal FPU modes |
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#if ARCH_X86 |
Features::enableDenormalsAreZeroMode(); |
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if (Features::supportsMMX()) sFeatures += " MMX"; |
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if (Features::supportsSSE()) sFeatures += " SSE"; |
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#endif // ARCH_X86 |
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if (!sFeatures.size()) sFeatures = " None"; |
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dmsg(1,("Detected features:%s\n",sFeatures.c_str())); |
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} |
} |
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|
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// create LinuxSampler instance |
// create LinuxSampler instance |
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pSampler = new Sampler; |
pSampler = new Sampler; |
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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())); |
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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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|
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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; |
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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); |
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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) |
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{ |
{ |
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dmsg(1,("Calibrating profiler...")); |
dmsg(1,("Calibrating profiler...")); |
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gig::Profiler::Calibrate(); |
LinuxSampler::gig::Profiler::Calibrate(); |
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gig::Profiler::Reset(); |
LinuxSampler::gig::Profiler::Reset(); |
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dmsg(1,("OK\n")); |
LinuxSampler::gig::Profiler::enable(); |
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dmsg(1,("OK\n")); |
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} |
} |
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|
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printf("LinuxSampler initialization completed.\n"); |
printf("LinuxSampler initialization completed. :-)\n\n"); |
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std::list<LSCPEvent::event_t> rtEvents; |
std::list<LSCPEvent::event_t> rtEvents; |
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rtEvents.push_back(LSCPEvent::event_voice_count); |
rtEvents.push_back(LSCPEvent::event_voice_count); |
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rtEvents.push_back(LSCPEvent::event_stream_count); |
rtEvents.push_back(LSCPEvent::event_stream_count); |
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rtEvents.push_back(LSCPEvent::event_buffer_fill); |
rtEvents.push_back(LSCPEvent::event_buffer_fill); |
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rtEvents.push_back(LSCPEvent::event_total_voice_count); |
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while (true) { |
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if (bPrintStatistics) { |
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const std::set<Engine*>& engines = EngineFactory::EngineInstances(); |
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std::set<Engine*>::iterator itEngine = engines.begin(); |
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for (int i = 0; itEngine != engines.end(); itEngine++, i++) { |
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Engine* pEngine = *itEngine; |
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printf("Engine %d) Voices: %3.3d (Max: %3.3d) Streams: %3.3d (Max: %3.3d)\n", i, |
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pEngine->VoiceCount(), pEngine->VoiceCountMax(), |
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pEngine->DiskStreamCount(), pEngine->DiskStreamCountMax() |
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); |
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fflush(stdout); |
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} |
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} |
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while(true) |
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{ |
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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); |
sleep(1); |
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if (profile) |
if (profile) |
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{ |
{ |
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unsigned int samplingFreq = 48000; //FIXME: hardcoded for now |
unsigned int samplingFreq = 48000; //FIXME: hardcoded for now |
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unsigned int bv = gig::Profiler::GetBogoVoices(samplingFreq); |
unsigned int bv = LinuxSampler::gig::Profiler::GetBogoVoices(samplingFreq); |
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if (bv != 0) |
if (bv != 0) |
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{ |
{ |
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printf(" BogoVoices: %i \r", bv); |
printf(" BogoVoices: %i \r", bv); |
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fflush(stdout); |
fflush(stdout); |
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} |
} |
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} |
} |
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|
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if (LSCPServer::EventSubscribers(rtEvents)) |
if (LSCPServer::EventSubscribers(rtEvents)) |
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{ |
{ |
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LSCPServer::LockRTNotify(); |
LSCPServer::LockRTNotify(); |
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std::map<uint,SamplerChannel*> channels = pSampler->GetSamplerChannels(); |
std::map<uint,SamplerChannel*> channels = pSampler->GetSamplerChannels(); |
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std::map<uint,SamplerChannel*>::iterator iter = channels.begin(); |
std::map<uint,SamplerChannel*>::iterator iter = channels.begin(); |
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for (; iter != channels.end(); iter++) { |
for (; iter != channels.end(); iter++) { |
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SamplerChannel* pSamplerChannel = iter->second; |
SamplerChannel* pSamplerChannel = iter->second; |
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Engine* pEngine = pSamplerChannel->GetEngine(); |
EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel(); |
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if (!pEngine) continue; |
if (!pEngineChannel) continue; |
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LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_voice_count, iter->first, pEngine->VoiceCount())); |
Engine* pEngine = pEngineChannel->GetEngine(); |
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LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_stream_count, iter->first, pEngine->DiskStreamCount())); |
if (!pEngine) continue; |
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LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_buffer_fill, iter->first, pEngine->DiskStreamBufferFillPercentage())); |
pSampler->fireVoiceCountChanged(iter->first, pEngine->VoiceCount()); |
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} |
pSampler->fireStreamCountChanged(iter->first, pEngine->DiskStreamCount()); |
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LSCPServer::UnlockRTNotify(); |
pSampler->fireBufferFillChanged(iter->first, pEngine->DiskStreamBufferFillPercentage()); |
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pSampler->fireTotalVoiceCountChanged(pSampler->GetVoiceCount()); |
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} |
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LSCPServer::UnlockRTNotify(); |
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} |
} |
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} |
} |
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delete pLSCPServer; |
delete pLSCPServer; |
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} |
} |
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if (pSampler) delete pSampler; |
if (pSampler) delete pSampler; |
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#if HAVE_SQLITE3 |
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InstrumentsDb::Destroy(); |
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#endif |
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printf("LinuxSampler stopped due to SIGINT.\n"); |
printf("LinuxSampler stopped due to SIGINT.\n"); |
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exit(EXIT_SUCCESS); |
exit(EXIT_SUCCESS); |
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} |
} |
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} |
} |
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|
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void kill_app() { |
void kill_app() { |
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kill(main_thread, SIGKILL); |
kill(main_pid, SIGKILL); |
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} |
} |
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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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{"version",0,0,0}, |
{"version",0,0,0}, |
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{"profile",0,0,0}, |
{"profile",0,0,0}, |
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{"no-tune",0,0,0}, |
{"no-tune",0,0,0}, |
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{"statistics",0,0,0}, |
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{"instruments-db-location",1,0,0}, |
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{"create-instruments-db",1,0,0}, |
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{"lscp-addr",1,0,0}, |
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{"lscp-port",1,0,0}, |
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{0,0,0,0} |
{0,0,0,0} |
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}; |
}; |
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|
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switch(option_index) { |
switch(option_index) { |
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case 0: // --help |
case 0: // --help |
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printf("usage: linuxsampler [OPTIONS]\n\n"); |
printf("usage: linuxsampler [OPTIONS]\n\n"); |
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printf("--help prints this message\n"); |
printf("--help prints this message\n"); |
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printf("--version prints version information\n"); |
printf("--version prints version information\n"); |
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printf("--profile profile synthesis algorithms\n"); |
printf("--profile profile synthesis algorithms\n"); |
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printf("--no-tune disable assembly optimization\n"); |
printf("--no-tune disable assembly optimization\n"); |
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printf("--statistics periodically prints statistics\n"); |
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printf("--lscp-addr set LSCP address (default: any)\n"); |
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printf("--lscp-port set LSCP port (default: 8888)\n"); |
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printf("--create-instruments-db creates an instruments DB\n"); |
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printf("--instruments-db-location specifies the instruments DB file\n"); |
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exit(EXIT_SUCCESS); |
exit(EXIT_SUCCESS); |
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break; |
break; |
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case 1: // --version |
case 1: // --version |
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exit(EXIT_SUCCESS); |
exit(EXIT_SUCCESS); |
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break; |
break; |
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case 2: // --profile |
case 2: // --profile |
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profile = true; |
profile = true; |
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break; |
break; |
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case 3: // --no-tune |
case 3: // --no-tune |
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tune = false; |
tune = false; |
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break; |
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case 4: // --statistics |
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bPrintStatistics = true; |
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break; |
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case 5: // --instruments-db-location |
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#if HAVE_SQLITE3 |
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try { |
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if (optarg) { |
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struct stat statBuf; |
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int res = stat(optarg, &statBuf); |
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|
290 |
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if (res) { |
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std::stringstream ss; |
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ss << "Fail to stat `" << optarg << "`: " << strerror(errno); |
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throw Exception(ss.str()); |
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} |
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if (!S_ISREG(statBuf.st_mode)) { |
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std::stringstream ss; |
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ss << "`" << optarg << "` is not a regular file"; |
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throw Exception(ss.str()); |
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} |
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InstrumentsDb::GetInstrumentsDb()->SetDbFile(String(optarg)); |
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} |
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} catch(Exception e) { |
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std::cerr << e.Message() << std::endl << std::endl; |
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return; |
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} |
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return; |
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#else |
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std::cerr << "LinuxSampler was not build with "; |
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std::cerr << "instruments database support." <<std::endl; |
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return; |
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#endif |
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case 6: // --create-instruments-db |
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#if HAVE_SQLITE3 |
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try { |
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if (optarg) { |
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std::cout << "Creating instruments database..." << std::endl; |
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InstrumentsDb::CreateInstrumentsDb(String(optarg)); |
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InstrumentsDb::Destroy(); |
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std::cout << "Done" << std::endl; |
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} |
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} catch(Exception e) { |
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std::cerr << e.Message() << std::endl; |
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exit(EXIT_FAILURE); |
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return; |
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} |
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exit(EXIT_SUCCESS); |
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return; |
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#else |
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std::cerr << "Failed to create the database. LinuxSampler was "; |
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std::cerr << "not build with instruments database support." <<std::endl; |
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exit(EXIT_FAILURE); |
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return; |
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#endif |
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case 7: // --lscp-addr |
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struct in_addr addr; |
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if (inet_aton(optarg, &addr) == 0) |
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printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n"); |
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else |
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lscp_addr = addr.s_addr; |
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break; |
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case 8: // --lscp-port |
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long unsigned int port = 0; |
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if ((sscanf(optarg, "%u", &port) != 1) || (port == 0) || (port > 65535)) |
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printf("WARNING: Failed to parse lscp-port argument, ignoring!\n"); |
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else |
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lscp_port = htons(port); |
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break; |
break; |
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} |
} |
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} |
} |