2 |
* * |
* * |
3 |
* LinuxSampler - modular, streaming capable sampler * |
* LinuxSampler - modular, streaming capable sampler * |
4 |
* * |
* * |
5 |
* Copyright (C) 2003 by Benno Senoner and Christian Schoenebeck * |
* Copyright (C) 2003-2004 by Benno Senoner and Christian Schoenebeck * |
6 |
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* Copyright (C) 2005-2007 Christian Schoenebeck * |
7 |
* * |
* * |
8 |
* 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 * |
24 |
#include <getopt.h> |
#include <getopt.h> |
25 |
#include <signal.h> |
#include <signal.h> |
26 |
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|
27 |
#include "global.h" |
#include "Sampler.h" |
28 |
#include "diskthread.h" |
#include "engines/EngineFactory.h" |
29 |
#include "audiothread.h" |
#include "drivers/midi/MidiInputDeviceFactory.h" |
30 |
#include "alsaio.h" |
#include "drivers/audio/AudioOutputDeviceFactory.h" |
31 |
#include "jackio.h" |
#include "engines/gig/Profiler.h" |
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#include "midiin.h" |
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#include "stream.h" |
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#include "RIFF.h" |
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#include "gig.h" |
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32 |
#include "network/lscpserver.h" |
#include "network/lscpserver.h" |
33 |
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#include "common/stacktrace.h" |
34 |
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#include "common/Features.h" |
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36 |
#define AUDIO_CHANNELS 2 // stereo |
using namespace LinuxSampler; |
37 |
#define AUDIO_FRAGMENTS 3 // 3 fragments, if it does not work set it to 2 |
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38 |
#define AUDIO_FRAGMENTSIZE 512 // each fragment has 512 frames |
Sampler* pSampler = NULL; |
39 |
#define AUDIO_SAMPLERATE 44100 // Hz |
LSCPServer* pLSCPServer = NULL; |
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pthread_t main_thread; |
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enum patch_format_t { |
pid_t main_pid; |
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patch_format_unknown, |
bool bPrintStatistics = false; |
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patch_format_gig, |
bool profile = false; |
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patch_format_dls |
bool tune = true; |
45 |
} patch_format = patch_format_unknown; |
unsigned long int lscp_addr; |
46 |
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unsigned short int lscp_port; |
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AudioIO* pAudioIO = NULL; |
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MidiIn* pMidiInThread = NULL; |
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LSCPServer* pLSCPServer = NULL; |
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AudioThread* pEngine = NULL; |
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uint instrument_index = 0; |
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double volume = 0.25; |
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int num_fragments = AUDIO_FRAGMENTS; |
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int fragmentsize = AUDIO_FRAGMENTSIZE; |
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uint samplerate = AUDIO_SAMPLERATE; |
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String input_client; |
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String alsaout = "0,0"; // default card |
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String jack_playback[2] = { "", "" }; |
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bool use_jack = true; |
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bool run_server = false; |
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pthread_t signalhandlerthread; |
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void parse_options(int argc, char **argv); |
void parse_options(int argc, char **argv); |
49 |
void signal_handler(int signal); |
void signal_handler(int signal); |
50 |
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void kill_app(); |
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int main(int argc, char **argv) { |
int main(int argc, char **argv) { |
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// initialize the stack trace mechanism with our binary file |
55 |
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StackTraceInit(argv[0], -1); |
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57 |
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main_pid = getpid(); |
58 |
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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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signalhandlerthread = pthread_self(); |
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signal(SIGINT, signal_handler); |
signal(SIGINT, signal_handler); |
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// register signal handler for all unusual signals |
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// (we will print the stack trace and exit) |
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struct sigaction sact; |
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sigemptyset(&sact.sa_mask); |
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sact.sa_flags = 0; |
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sact.sa_handler = signal_handler; |
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sigaction(SIGSEGV, &sact, NULL); |
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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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lscp_addr = htonl(LSCP_ADDR); |
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lscp_port = htons(LSCP_PORT); |
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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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if (patch_format != patch_format_gig) { |
dmsg(1,("LinuxSampler %s\n", VERSION)); |
83 |
printf("Sorry only Gigasampler loading migrated in LinuxSampler so far, use --gig to load a .gig file!\n"); |
dmsg(1,("Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck\n")); |
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printf("Use 'linuxsampler --help' to see all available options.\n"); |
dmsg(1,("Copyright (C) 2005-2007 Christian Schoenebeck\n")); |
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return EXIT_FAILURE; |
|
86 |
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if (tune) { |
87 |
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// detect and print system / CPU specific features |
88 |
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Features::detect(); |
89 |
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dmsg(1,("Detected features: %s\n", Features::featuresAsString().c_str())); |
90 |
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// prevent slow denormal FPU modes |
91 |
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Features::enableDenormalsAreZeroMode(); |
92 |
} |
} |
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int error = 1; |
// create LinuxSampler instance |
95 |
#if HAVE_JACK |
dmsg(1,("Creating Sampler...")); |
96 |
if (use_jack) { |
pSampler = new Sampler; |
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dmsg(1,("Initializing audio output (Jack)...")); |
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pAudioIO = new JackIO(); |
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error = ((JackIO*)pAudioIO)->Initialize(AUDIO_CHANNELS, jack_playback); |
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if (error) dmsg(1,("Trying Alsa output instead.\n")); |
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} |
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#endif // HAVE_JACK |
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if (error) { |
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dmsg(1,("Initializing audio output (Alsa)...")); |
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pAudioIO = new AlsaIO(); |
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int error = ((AlsaIO*)pAudioIO)->Initialize(AUDIO_CHANNELS, samplerate, num_fragments, fragmentsize, alsaout); |
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if (error) return EXIT_FAILURE; |
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} |
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dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
98 |
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AudioThread* pEngine = new AudioThread(pAudioIO); |
dmsg(1,("Registered sampler engines: %s\n", EngineFactory::AvailableEngineTypesAsString().c_str())); |
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MidiIn* pMidiInThread = new MidiIn(pEngine); |
dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str())); |
101 |
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dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str())); |
102 |
// Loading gig file |
|
103 |
result_t result = pEngine->LoadInstrument(argv[argc - 1], instrument_index); |
// start LSCP network server |
104 |
if (result.type == result_type_error) return EXIT_FAILURE; |
struct in_addr addr; |
105 |
pEngine->Volume = volume; |
addr.s_addr = lscp_addr; |
106 |
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dmsg(1,("Starting LSCP network server (%s:%d)...", inet_ntoa(addr), ntohs(lscp_port))); |
107 |
dmsg(1,("Starting MIDI in thread...")); |
pLSCPServer = new LSCPServer(pSampler, lscp_addr, lscp_port); |
108 |
if (input_client.size() > 0) pMidiInThread->SubscribeToClient(input_client.c_str()); |
pLSCPServer->StartThread(); |
109 |
pMidiInThread->StartThread(); |
pLSCPServer->WaitUntilInitialized(); |
110 |
dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
111 |
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|
112 |
sleep(1); |
if (profile) |
113 |
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{ |
114 |
dmsg(1,("Starting audio thread...")); |
dmsg(1,("Calibrating profiler...")); |
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pAudioIO->AssignEngine(pEngine); |
LinuxSampler::gig::Profiler::Calibrate(); |
116 |
pAudioIO->Activate(); |
LinuxSampler::gig::Profiler::Reset(); |
117 |
dmsg(1,("OK\n")); |
LinuxSampler::gig::Profiler::enable(); |
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if (run_server) { |
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dmsg(1,("Starting network server...")); |
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pLSCPServer = new LSCPServer(pEngine); |
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pLSCPServer->StartThread(); |
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118 |
dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
119 |
} |
} |
120 |
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121 |
printf("LinuxSampler initialization completed.\n"); |
printf("LinuxSampler initialization completed. :-)\n\n"); |
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123 |
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std::list<LSCPEvent::event_t> rtEvents; |
124 |
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rtEvents.push_back(LSCPEvent::event_voice_count); |
125 |
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rtEvents.push_back(LSCPEvent::event_stream_count); |
126 |
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rtEvents.push_back(LSCPEvent::event_buffer_fill); |
127 |
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rtEvents.push_back(LSCPEvent::event_total_voice_count); |
128 |
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129 |
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while (true) { |
130 |
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if (bPrintStatistics) { |
131 |
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const std::set<Engine*>& engines = EngineFactory::EngineInstances(); |
132 |
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std::set<Engine*>::iterator itEngine = engines.begin(); |
133 |
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for (int i = 0; itEngine != engines.end(); itEngine++, i++) { |
134 |
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Engine* pEngine = *itEngine; |
135 |
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printf("Engine %d) Voices: %3.3d (Max: %3.3d) Streams: %3.3d (Max: %3.3d)\n", i, |
136 |
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pEngine->VoiceCount(), pEngine->VoiceCountMax(), |
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pEngine->DiskStreamCount(), pEngine->DiskStreamCountMax() |
138 |
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); |
139 |
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fflush(stdout); |
140 |
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} |
141 |
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} |
142 |
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143 |
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sleep(1); |
144 |
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if (profile) |
145 |
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{ |
146 |
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unsigned int samplingFreq = 48000; //FIXME: hardcoded for now |
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unsigned int bv = LinuxSampler::gig::Profiler::GetBogoVoices(samplingFreq); |
148 |
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if (bv != 0) |
149 |
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{ |
150 |
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printf(" BogoVoices: %i \r", bv); |
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fflush(stdout); |
152 |
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} |
153 |
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} |
154 |
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155 |
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if (LSCPServer::EventSubscribers(rtEvents)) |
156 |
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{ |
157 |
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LSCPServer::LockRTNotify(); |
158 |
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std::map<uint,SamplerChannel*> channels = pSampler->GetSamplerChannels(); |
159 |
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std::map<uint,SamplerChannel*>::iterator iter = channels.begin(); |
160 |
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for (; iter != channels.end(); iter++) { |
161 |
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SamplerChannel* pSamplerChannel = iter->second; |
162 |
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EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel(); |
163 |
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if (!pEngineChannel) continue; |
164 |
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Engine* pEngine = pEngineChannel->GetEngine(); |
165 |
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if (!pEngine) continue; |
166 |
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pSampler->fireVoiceCountChanged(iter->first, pEngine->VoiceCount()); |
167 |
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pSampler->fireStreamCountChanged(iter->first, pEngine->DiskStreamCount()); |
168 |
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pSampler->fireBufferFillChanged(iter->first, pEngine->DiskStreamBufferFillPercentage()); |
169 |
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pSampler->fireTotalVoiceCountChanged(pSampler->GetVoiceCount()); |
170 |
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} |
171 |
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LSCPServer::UnlockRTNotify(); |
172 |
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} |
173 |
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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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174 |
} |
} |
175 |
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176 |
return EXIT_SUCCESS; |
return EXIT_SUCCESS; |
177 |
} |
} |
178 |
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179 |
void signal_handler(int signal) { |
void signal_handler(int iSignal) { |
180 |
if (pthread_equal(pthread_self(), signalhandlerthread) && signal == SIGINT) { |
switch (iSignal) { |
181 |
// stop all threads |
case SIGINT: { |
182 |
if (pAudioIO) pAudioIO->Close(); |
if (pthread_equal(pthread_self(), main_thread)) { |
183 |
if (pMidiInThread) pMidiInThread->StopThread(); |
if (pLSCPServer) { |
184 |
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pLSCPServer->StopThread(); |
185 |
// free all resources |
delete pLSCPServer; |
186 |
if (pMidiInThread) delete pMidiInThread; |
} |
187 |
if (pEngine) delete pEngine; |
if (pSampler) delete pSampler; |
188 |
if (pAudioIO) delete pAudioIO; |
#if HAVE_SQLITE3 |
189 |
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InstrumentsDb::Destroy(); |
190 |
printf("LinuxSampler stopped due to SIGINT\n"); |
#endif |
191 |
exit(EXIT_SUCCESS); |
printf("LinuxSampler stopped due to SIGINT.\n"); |
192 |
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exit(EXIT_SUCCESS); |
193 |
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} |
194 |
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return; |
195 |
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} |
196 |
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case SIGSEGV: |
197 |
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std::cerr << ">>> FATAL ERROR: Segmentation fault (SIGSEGV) occured! <<<\n" << std::flush; |
198 |
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break; |
199 |
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case SIGBUS: |
200 |
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std::cerr << ">>> FATAL ERROR: Access to undefined portion of a memory object (SIGBUS) occured! <<<\n" << std::flush; |
201 |
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break; |
202 |
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case SIGILL: |
203 |
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std::cerr << ">>> FATAL ERROR: Illegal instruction (SIGILL) occured! <<<\n" << std::flush; |
204 |
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break; |
205 |
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case SIGFPE: |
206 |
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std::cerr << ">>> FATAL ERROR: Erroneous arithmetic operation (SIGFPE) occured! <<<\n" << std::flush; |
207 |
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break; |
208 |
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case SIGUSR1: |
209 |
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std::cerr << ">>> User defined signal 1 (SIGUSR1) received <<<\n" << std::flush; |
210 |
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break; |
211 |
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case SIGUSR2: |
212 |
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std::cerr << ">>> User defined signal 2 (SIGUSR2) received <<<\n" << std::flush; |
213 |
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break; |
214 |
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default: { // this should never happen, as we register for the signals we want |
215 |
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std::cerr << ">>> FATAL ERROR: Unknown signal received! <<<\n" << std::flush; |
216 |
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break; |
217 |
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} |
218 |
} |
} |
219 |
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signal(iSignal, SIG_DFL); // Reinstall default handler to prevent race conditions |
220 |
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std::cerr << "Showing stack trace...\n" << std::flush; |
221 |
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StackTrace(); |
222 |
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sleep(2); |
223 |
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std::cerr << "Killing LinuxSampler...\n" << std::flush; |
224 |
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kill_app(); // Use abort() if we want to generate a core dump. |
225 |
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} |
226 |
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227 |
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void kill_app() { |
228 |
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kill(main_pid, SIGKILL); |
229 |
} |
} |
230 |
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231 |
void parse_options(int argc, char **argv) { |
void parse_options(int argc, char **argv) { |
233 |
int option_index = 0; |
int option_index = 0; |
234 |
static struct option long_options[] = |
static struct option long_options[] = |
235 |
{ |
{ |
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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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236 |
{"help",0,0,0}, |
{"help",0,0,0}, |
237 |
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{"version",0,0,0}, |
238 |
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{"profile",0,0,0}, |
239 |
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{"no-tune",0,0,0}, |
240 |
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{"statistics",0,0,0}, |
241 |
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{"lscp-addr",1,0,0}, |
242 |
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{"lscp-port",1,0,0}, |
243 |
{0,0,0,0} |
{0,0,0,0} |
244 |
}; |
}; |
245 |
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|
246 |
while (true) { |
while (true) { |
247 |
res = getopt_long_only(argc, argv, "", long_options, &option_index); |
/* |
248 |
|
Stephane Letz : letz@grame.fr |
249 |
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getopt_long_only does not exist on OSX : replaced by getopt_long for now. |
250 |
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*/ |
251 |
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res = getopt_long(argc, argv, "", long_options, &option_index); |
252 |
if(res == -1) break; |
if(res == -1) break; |
253 |
if (res == 0) { |
if (res == 0) { |
254 |
switch(option_index) { |
switch(option_index) { |
255 |
case 0: // --numfragments |
case 0: // --help |
256 |
num_fragments = atoi(optarg); |
printf("usage: linuxsampler [OPTIONS]\n\n"); |
257 |
break; |
printf("--help prints this message\n"); |
258 |
case 1: // --fragmentsize |
printf("--version prints version information\n"); |
259 |
fragmentsize = atoi(optarg); |
printf("--profile profile synthesis algorithms\n"); |
260 |
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printf("--no-tune disable assembly optimization\n"); |
261 |
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printf("--statistics periodically prints statistics\n"); |
262 |
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printf("--lscp-addr set LSCP address (default: any)\n"); |
263 |
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printf("--lscp-port set LSCP port (default: 8888)\n"); |
264 |
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exit(EXIT_SUCCESS); |
265 |
break; |
break; |
266 |
case 2: // --volume |
case 1: // --version |
267 |
volume = atof(optarg); |
printf("LinuxSampler %s\n", VERSION); |
268 |
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exit(EXIT_SUCCESS); |
269 |
break; |
break; |
270 |
case 3: // --dls |
case 2: // --profile |
271 |
patch_format = patch_format_dls; |
profile = true; |
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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; |
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case 7: // --alsaout |
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alsaout = optarg; |
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use_jack = false; // If this option is specified do not connect to jack |
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break; |
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case 8: { // --jackout |
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try { |
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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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} |
|
272 |
break; |
break; |
273 |
} |
case 3: // --no-tune |
274 |
case 9: // --samplerate |
tune = false; |
|
samplerate = atoi(optarg); |
|
275 |
break; |
break; |
276 |
case 10: // --server |
case 4: // --statistics |
277 |
run_server = true; |
bPrintStatistics = true; |
278 |
break; |
break; |
279 |
case 11: // --help |
case 5: // --lscp-addr |
280 |
printf("usage: linuxsampler [OPTIONS] <INSTRUMENTFILE>\n\n"); |
struct in_addr addr; |
281 |
printf("--gig loads a Gigasampler instrument\n"); |
if (inet_aton(optarg, &addr) == 0) |
282 |
printf("--dls loads a DLS instrument\n"); |
printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n"); |
283 |
printf("--instrument index of the instrument in the instrument file if it\n"); |
else |
284 |
printf(" contains more than one (default: 0)\n"); |
lscp_addr = addr.s_addr; |
285 |
printf("--numfragments sets the number of audio fragments\n"); |
break; |
286 |
printf("--fragmentsize sets the fragment size\n"); |
case 6: // --lscp-port |
287 |
printf("--volume sets global volume gain factor (a value > 1.0 means\n"); |
long unsigned int port = 0; |
288 |
printf(" amplification, a value < 1.0 means attenuation,\n"); |
if ((sscanf(optarg, "%u", &port) != 1) || (port == 0) || (port > 65535)) |
289 |
printf(" default: 0.25)\n"); |
printf("WARNING: Failed to parse lscp-port argument, ignoring!\n"); |
290 |
printf("--inputclient connects to an Alsa sequencer input client on startup\n"); |
else |
291 |
printf(" (e.g. 64:0 to connect to a client with ID 64 and port 0)\n"); |
lscp_port = htons(port); |
|
printf("--alsaout connects to the given Alsa sound device on startup\n"); |
|
|
printf(" (e.g. 0,0 to connect to hw:0,0 or plughw:0,0)\n"); |
|
|
printf("--jackout connects to the given Jack playback ports on startup\n"); |
|
|
printf(" (e.g. \"\'alsa_pcm:playback_1\' \'alsa_pcm:playback_2\'\"\n"); |
|
|
printf(" in case of stereo output)\n"); |
|
|
printf("--samplerate sets sample rate if supported by audio output system\n"); |
|
|
printf(" (e.g. 44100)\n"); |
|
|
printf("--server launch network server for remote control\n"); |
|
|
exit(EXIT_SUCCESS); |
|
292 |
break; |
break; |
293 |
} |
} |
294 |
} |
} |