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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, 2006 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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#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" |
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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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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; |
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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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main_pid = getpid(); |
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main_thread = pthread_self(); |
main_thread = pthread_self(); |
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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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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, 2006 Christian Schoenebeck\n")); |
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|
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// detect and print system / CPU specific features |
if (tune) { |
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String sFeatures; |
// detect and print system / CPU specific features |
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Features::detect(); |
Features::detect(); |
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#if ARCH_X86 |
dmsg(1,("Detected features: %s\n", Features::featuresAsString().c_str())); |
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if (Features::supportsMMX()) sFeatures += " MMX"; |
// prevent slow denormal FPU modes |
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if (Features::supportsSSE()) sFeatures += " SSE"; |
Features::enableDenormalsAreZeroMode(); |
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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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// create LinuxSampler instance |
// create LinuxSampler instance |
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dmsg(1,("Creating Sampler...")); |
dmsg(1,("Creating Sampler...")); |
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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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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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// 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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printf("LinuxSampler initialization completed.\n"); |
if (profile) |
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{ |
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dmsg(1,("Calibrating profiler...")); |
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gig::Profiler::Calibrate(); |
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gig::Profiler::Reset(); |
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gig::Profiler::enable(); |
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dmsg(1,("OK\n")); |
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} |
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printf("LinuxSampler initialization completed. :-)\n\n"); |
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std::list<LSCPEvent::event_t> rtEvents; |
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rtEvents.push_back(LSCPEvent::event_voice_count); |
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rtEvents.push_back(LSCPEvent::event_stream_count); |
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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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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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if (LSCPServer::EventSubscribers(rtEvents)) |
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{ |
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LSCPServer::LockRTNotify(); |
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std::map<uint,SamplerChannel*> channels = pSampler->GetSamplerChannels(); |
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std::map<uint,SamplerChannel*>::iterator iter = channels.begin(); |
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for (; iter != channels.end(); iter++) { |
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SamplerChannel* pSamplerChannel = iter->second; |
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EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel(); |
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if (!pEngineChannel) continue; |
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Engine* pEngine = pEngineChannel->GetEngine(); |
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if (!pEngine) continue; |
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LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_voice_count, iter->first, pEngine->VoiceCount())); |
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LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_stream_count, iter->first, pEngine->DiskStreamCount())); |
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LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_buffer_fill, iter->first, pEngine->DiskStreamBufferFillPercentage())); |
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LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_total_voice_count, pSampler->GetVoiceCount())); |
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} |
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LSCPServer::UnlockRTNotify(); |
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} |
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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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usleep(500000); |
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} |
} |
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return EXIT_SUCCESS; |
return EXIT_SUCCESS; |
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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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/*void parse_options(int argc, char **argv) { |
void parse_options(int argc, char **argv) { |
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int res; |
int res; |
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int option_index = 0; |
int option_index = 0; |
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static struct option long_options[] = |
static struct option long_options[] = |
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{ |
{ |
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{"numfragments",1,0,0}, |
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{"fragmentsize",1,0,0}, |
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{"volume",1,0,0}, |
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{"dls",0,0,0}, |
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{"gig",0,0,0}, |
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{"instrument",1,0,0}, |
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{"inputclient",1,0,0}, |
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{"alsaout",1,0,0}, |
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{"jackout",1,0,0}, |
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{"samplerate",1,0,0}, |
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{"server",0,0,0}, |
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{"help",0,0,0}, |
{"help",0,0,0}, |
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{"version",0,0,0}, |
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{"profile",0,0,0}, |
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{"no-tune",0,0,0}, |
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{"statistics",0,0,0}, |
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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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while (true) { |
while (true) { |
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res = getopt_long_only(argc, argv, "", long_options, &option_index); |
/* |
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|
Stephane Letz : letz@grame.fr |
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getopt_long_only does not exist on OSX : replaced by getopt_long for now. |
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*/ |
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res = getopt_long(argc, argv, "", long_options, &option_index); |
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if(res == -1) break; |
if(res == -1) break; |
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if (res == 0) { |
if (res == 0) { |
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switch(option_index) { |
switch(option_index) { |
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case 0: // --numfragments |
case 0: // --help |
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num_fragments = atoi(optarg); |
printf("usage: linuxsampler [OPTIONS]\n\n"); |
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break; |
printf("--help prints this message\n"); |
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case 1: // --fragmentsize |
printf("--version prints version information\n"); |
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fragmentsize = atoi(optarg); |
printf("--profile profile synthesis algorithms\n"); |
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break; |
printf("--no-tune disable assembly optimization\n"); |
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case 2: // --volume |
printf("--statistics periodically prints statistics\n"); |
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volume = atof(optarg); |
printf("--lscp-addr set LSCP address (default: any)\n"); |
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break; |
printf("--lscp-port set LSCP port (default: 8888)\n"); |
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case 3: // --dls |
exit(EXIT_SUCCESS); |
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patch_format = patch_format_dls; |
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break; |
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case 4: // --gig |
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patch_format = patch_format_gig; |
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break; |
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case 5: // --instrument |
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instrument_index = atoi(optarg); |
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break; |
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case 6: // --inputclient |
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input_client = optarg; |
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break; |
break; |
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case 7: // --alsaout |
case 1: // --version |
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alsaout = optarg; |
printf("LinuxSampler %s\n", VERSION); |
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use_jack = false; // If this option is specified do not connect to jack |
exit(EXIT_SUCCESS); |
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break; |
break; |
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case 8: { // --jackout |
case 2: // --profile |
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try { |
profile = true; |
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String arg(optarg); |
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// remove outer apostrophes |
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arg = arg.substr(arg.find('\'') + 1, arg.rfind('\'') - (arg.find('\'') + 1)); |
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// split in two arguments |
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jack_playback[0] = arg.substr(0, arg.find("\' ")); |
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jack_playback[1] = arg.substr(arg.find("\' ") + 2, arg.size() - (arg.find("\' ") + 2)); |
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// remove inner apostrophes |
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jack_playback[0] = jack_playback[0].substr(0, jack_playback[0].find('\'')); |
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jack_playback[1] = jack_playback[1].substr(jack_playback[1].find('\'') + 1, jack_playback[1].size() - jack_playback[1].find('\'')); |
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// this is the default but set it up anyway in case alsa_card was also used. |
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use_jack = true; |
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} |
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catch (...) { |
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fprintf(stderr, "Invalid argument '%s' for parameter --jackout\n", optarg); |
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exit(EXIT_FAILURE); |
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} |
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break; |
break; |
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} |
case 3: // --no-tune |
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case 9: // --samplerate |
tune = false; |
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samplerate = atoi(optarg); |
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break; |
break; |
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case 10: // --server |
case 4: // --statistics |
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run_server = true; |
bPrintStatistics = true; |
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break; |
break; |
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case 11: // --help |
case 5: // --lscp-addr |
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printf("usage: linuxsampler [OPTIONS] <INSTRUMENTFILE>\n\n"); |
struct in_addr addr; |
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printf("--gig loads a Gigasampler instrument\n"); |
if (inet_aton(optarg, &addr) == 0) |
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printf("--dls loads a DLS instrument\n"); |
printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n"); |
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printf("--instrument index of the instrument in the instrument file if it\n"); |
else |
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printf(" contains more than one (default: 0)\n"); |
lscp_addr = addr.s_addr; |
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printf("--numfragments sets the number of audio fragments\n"); |
break; |
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printf("--fragmentsize sets the fragment size\n"); |
case 6: // --lscp-port |
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printf("--volume sets global volume gain factor (a value > 1.0 means\n"); |
long unsigned int port = 0; |
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printf(" amplification, a value < 1.0 means attenuation,\n"); |
if ((sscanf(optarg, "%u", &port) != 1) || (port == 0) || (port > 65535)) |
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printf(" default: 0.25)\n"); |
printf("WARNING: Failed to parse lscp-port argument, ignoring!\n"); |
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printf("--inputclient connects to an Alsa sequencer input client on startup\n"); |
else |
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printf(" (e.g. 64:0 to connect to a client with ID 64 and port 0)\n"); |
lscp_port = htons(port); |
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printf("--alsaout connects to the given Alsa sound device on startup\n"); |
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printf(" (e.g. 0,0 to connect to hw:0,0 or plughw:0,0)\n"); |
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printf("--jackout connects to the given Jack playback ports on startup\n"); |
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printf(" (e.g. \"\'alsa_pcm:playback_1\' \'alsa_pcm:playback_2\'\"\n"); |
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printf(" in case of stereo output)\n"); |
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printf("--samplerate sets sample rate if supported by audio output system\n"); |
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printf(" (e.g. 44100)\n"); |
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printf("--server launch network server for remote control\n"); |
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exit(EXIT_SUCCESS); |
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break; |
break; |
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} |
} |
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} |
} |
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} |
} |
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}*/ |
} |