1 |
schoenebeck |
9 |
/*************************************************************************** |
2 |
|
|
* * |
3 |
|
|
* LinuxSampler - modular, streaming capable sampler * |
4 |
|
|
* * |
5 |
schoenebeck |
61 |
* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
6 |
schoenebeck |
411 |
* Copyright (C) 2005 Christian Schoenebeck * |
7 |
schoenebeck |
9 |
* * |
8 |
|
|
* 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 * |
10 |
|
|
* the Free Software Foundation; either version 2 of the License, or * |
11 |
|
|
* (at your option) any later version. * |
12 |
|
|
* * |
13 |
|
|
* This program is distributed in the hope that it will be useful, * |
14 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
15 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
16 |
|
|
* GNU General Public License for more details. * |
17 |
|
|
* * |
18 |
|
|
* You should have received a copy of the GNU General Public License * |
19 |
|
|
* along with this program; if not, write to the Free Software * |
20 |
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
21 |
|
|
* MA 02111-1307 USA * |
22 |
|
|
***************************************************************************/ |
23 |
|
|
|
24 |
|
|
#include <getopt.h> |
25 |
|
|
#include <signal.h> |
26 |
|
|
|
27 |
schoenebeck |
53 |
#include "Sampler.h" |
28 |
schoenebeck |
420 |
#include "engines/EngineFactory.h" |
29 |
schoenebeck |
207 |
#include "drivers/midi/MidiInputDeviceFactory.h" |
30 |
schoenebeck |
203 |
#include "drivers/audio/AudioOutputDeviceFactory.h" |
31 |
senkov |
325 |
#include "engines/gig/Profiler.h" |
32 |
schoenebeck |
35 |
#include "network/lscpserver.h" |
33 |
schoenebeck |
271 |
#include "common/stacktrace.h" |
34 |
schoenebeck |
319 |
#include "common/Features.h" |
35 |
schoenebeck |
9 |
|
36 |
schoenebeck |
53 |
using namespace LinuxSampler; |
37 |
|
|
|
38 |
schoenebeck |
211 |
Sampler* pSampler = NULL; |
39 |
|
|
LSCPServer* pLSCPServer = NULL; |
40 |
schoenebeck |
271 |
pthread_t main_thread; |
41 |
schoenebeck |
420 |
bool bPrintStatistics = false; |
42 |
senkov |
325 |
bool profile = false; |
43 |
|
|
bool tune = true; |
44 |
schoenebeck |
9 |
|
45 |
|
|
void parse_options(int argc, char **argv); |
46 |
|
|
void signal_handler(int signal); |
47 |
schoenebeck |
271 |
void kill_app(); |
48 |
schoenebeck |
9 |
|
49 |
|
|
int main(int argc, char **argv) { |
50 |
|
|
|
51 |
schoenebeck |
271 |
// initialize the stack trace mechanism with our binary file |
52 |
|
|
StackTraceInit(argv[0], -1); |
53 |
|
|
|
54 |
|
|
main_thread = pthread_self(); |
55 |
|
|
|
56 |
schoenebeck |
9 |
// setting signal handler for catching SIGINT (thus e.g. <CTRL><C>) |
57 |
|
|
signal(SIGINT, signal_handler); |
58 |
|
|
|
59 |
schoenebeck |
271 |
// register signal handler for all unusual signals |
60 |
|
|
// (we will print the stack trace and exit) |
61 |
|
|
struct sigaction sact; |
62 |
|
|
sigemptyset(&sact.sa_mask); |
63 |
|
|
sact.sa_flags = 0; |
64 |
|
|
sact.sa_handler = signal_handler; |
65 |
|
|
sigaction(SIGSEGV, &sact, NULL); |
66 |
|
|
sigaction(SIGBUS, &sact, NULL); |
67 |
|
|
sigaction(SIGILL, &sact, NULL); |
68 |
|
|
sigaction(SIGFPE, &sact, NULL); |
69 |
|
|
sigaction(SIGUSR1, &sact, NULL); |
70 |
|
|
sigaction(SIGUSR2, &sact, NULL); |
71 |
|
|
|
72 |
schoenebeck |
9 |
// parse and assign command line options |
73 |
senkov |
325 |
parse_options(argc, argv); |
74 |
schoenebeck |
9 |
|
75 |
schoenebeck |
207 |
dmsg(1,("LinuxSampler %s\n", VERSION)); |
76 |
|
|
dmsg(1,("Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck\n")); |
77 |
schoenebeck |
411 |
dmsg(1,("Copyright (C) 2005 Christian Schoenebeck\n")); |
78 |
schoenebeck |
123 |
|
79 |
senkov |
325 |
if (tune) |
80 |
|
|
{ |
81 |
persson |
425 |
// detect and print system / CPU specific features |
82 |
|
|
String sFeatures; |
83 |
|
|
Features::detect(); |
84 |
senkov |
325 |
#if ARCH_X86 |
85 |
persson |
425 |
if (Features::supportsMMX()) sFeatures += " MMX"; |
86 |
|
|
if (Features::supportsSSE()) sFeatures += " SSE"; |
87 |
|
|
if (Features::supportsSSE2()) { |
88 |
|
|
sFeatures += " SSE2"; |
89 |
|
|
|
90 |
|
|
// enable denormals-are-zeros mode |
91 |
|
|
int x; |
92 |
|
|
__asm__ __volatile__ ( |
93 |
|
|
"stmxcsr %0\n\t" |
94 |
|
|
"movl %0, %%eax\n\t" |
95 |
|
|
"orl $0x40, %%eax\n\t" |
96 |
|
|
"movl %%eax, %0\n\t" |
97 |
|
|
"ldmxcsr %0\n\t" |
98 |
|
|
:: "m" (x) |
99 |
|
|
: "%eax" |
100 |
|
|
); |
101 |
|
|
} |
102 |
senkov |
325 |
#endif // ARCH_X86 |
103 |
persson |
425 |
if (!sFeatures.size()) sFeatures = " None"; |
104 |
|
|
dmsg(1,("Detected features:%s\n",sFeatures.c_str())); |
105 |
senkov |
325 |
} |
106 |
schoenebeck |
319 |
|
107 |
schoenebeck |
53 |
// create LinuxSampler instance |
108 |
schoenebeck |
123 |
dmsg(1,("Creating Sampler...")); |
109 |
schoenebeck |
53 |
pSampler = new Sampler; |
110 |
schoenebeck |
123 |
dmsg(1,("OK\n")); |
111 |
schoenebeck |
53 |
|
112 |
schoenebeck |
207 |
dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str())); |
113 |
schoenebeck |
123 |
dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str())); |
114 |
|
|
|
115 |
schoenebeck |
53 |
// start LSCP network server |
116 |
schoenebeck |
214 |
dmsg(1,("Starting LSCP network server (on TCP port %d)...", LSCP_PORT)); |
117 |
schoenebeck |
53 |
pLSCPServer = new LSCPServer(pSampler); |
118 |
|
|
pLSCPServer->StartThread(); |
119 |
schoenebeck |
211 |
pLSCPServer->WaitUntilInitialized(); |
120 |
schoenebeck |
12 |
dmsg(1,("OK\n")); |
121 |
schoenebeck |
9 |
|
122 |
senkov |
325 |
if (profile) |
123 |
|
|
{ |
124 |
persson |
425 |
dmsg(1,("Calibrating profiler...")); |
125 |
|
|
gig::Profiler::Calibrate(); |
126 |
|
|
gig::Profiler::Reset(); |
127 |
|
|
dmsg(1,("OK\n")); |
128 |
senkov |
325 |
} |
129 |
|
|
|
130 |
schoenebeck |
563 |
printf("LinuxSampler initialization completed. :-)\n\n"); |
131 |
schoenebeck |
9 |
|
132 |
senkov |
360 |
std::list<LSCPEvent::event_t> rtEvents; |
133 |
|
|
rtEvents.push_back(LSCPEvent::event_voice_count); |
134 |
|
|
rtEvents.push_back(LSCPEvent::event_stream_count); |
135 |
|
|
rtEvents.push_back(LSCPEvent::event_buffer_fill); |
136 |
|
|
|
137 |
schoenebeck |
420 |
while (true) { |
138 |
|
|
if (bPrintStatistics) { |
139 |
|
|
std::set<Engine*> engines = EngineFactory::EngineInstances(); |
140 |
|
|
std::set<Engine*>::iterator itEngine = engines.begin(); |
141 |
|
|
for (int i = 0; itEngine != engines.end(); itEngine++, i++) { |
142 |
|
|
Engine* pEngine = *itEngine; |
143 |
|
|
printf("Engine %d) Voices: %3.3d (Max: %3.3d) Streams: %3.3d (Max: %3.3d)\n", i, |
144 |
|
|
pEngine->VoiceCount(), pEngine->VoiceCountMax(), |
145 |
|
|
pEngine->DiskStreamCount(), pEngine->DiskStreamCountMax() |
146 |
|
|
); |
147 |
|
|
fflush(stdout); |
148 |
|
|
} |
149 |
|
|
} |
150 |
persson |
425 |
|
151 |
senkov |
325 |
sleep(1); |
152 |
|
|
if (profile) |
153 |
|
|
{ |
154 |
persson |
425 |
unsigned int samplingFreq = 48000; //FIXME: hardcoded for now |
155 |
|
|
unsigned int bv = gig::Profiler::GetBogoVoices(samplingFreq); |
156 |
|
|
if (bv != 0) |
157 |
|
|
{ |
158 |
|
|
printf(" BogoVoices: %i \r", bv); |
159 |
|
|
fflush(stdout); |
160 |
|
|
} |
161 |
senkov |
325 |
} |
162 |
persson |
425 |
|
163 |
senkov |
360 |
if (LSCPServer::EventSubscribers(rtEvents)) |
164 |
|
|
{ |
165 |
persson |
425 |
LSCPServer::LockRTNotify(); |
166 |
|
|
std::map<uint,SamplerChannel*> channels = pSampler->GetSamplerChannels(); |
167 |
|
|
std::map<uint,SamplerChannel*>::iterator iter = channels.begin(); |
168 |
|
|
for (; iter != channels.end(); iter++) { |
169 |
|
|
SamplerChannel* pSamplerChannel = iter->second; |
170 |
|
|
EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel(); |
171 |
|
|
if (!pEngineChannel) continue; |
172 |
|
|
Engine* pEngine = pEngineChannel->GetEngine(); |
173 |
|
|
if (!pEngine) continue; |
174 |
|
|
LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_voice_count, iter->first, pEngine->VoiceCount())); |
175 |
|
|
LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_stream_count, iter->first, pEngine->DiskStreamCount())); |
176 |
|
|
LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_buffer_fill, iter->first, pEngine->DiskStreamBufferFillPercentage())); |
177 |
|
|
} |
178 |
|
|
LSCPServer::UnlockRTNotify(); |
179 |
senkov |
360 |
} |
180 |
|
|
|
181 |
senoner |
10 |
} |
182 |
|
|
|
183 |
schoenebeck |
9 |
return EXIT_SUCCESS; |
184 |
|
|
} |
185 |
|
|
|
186 |
schoenebeck |
271 |
void signal_handler(int iSignal) { |
187 |
|
|
switch (iSignal) { |
188 |
|
|
case SIGINT: { |
189 |
|
|
if (pthread_equal(pthread_self(), main_thread)) { |
190 |
|
|
if (pLSCPServer) { |
191 |
|
|
pLSCPServer->StopThread(); |
192 |
|
|
delete pLSCPServer; |
193 |
|
|
} |
194 |
|
|
if (pSampler) delete pSampler; |
195 |
|
|
printf("LinuxSampler stopped due to SIGINT.\n"); |
196 |
|
|
exit(EXIT_SUCCESS); |
197 |
|
|
} |
198 |
|
|
return; |
199 |
schoenebeck |
53 |
} |
200 |
schoenebeck |
271 |
case SIGSEGV: |
201 |
|
|
std::cerr << ">>> FATAL ERROR: Segmentation fault (SIGSEGV) occured! <<<\n" << std::flush; |
202 |
|
|
break; |
203 |
|
|
case SIGBUS: |
204 |
|
|
std::cerr << ">>> FATAL ERROR: Access to undefined portion of a memory object (SIGBUS) occured! <<<\n" << std::flush; |
205 |
|
|
break; |
206 |
|
|
case SIGILL: |
207 |
|
|
std::cerr << ">>> FATAL ERROR: Illegal instruction (SIGILL) occured! <<<\n" << std::flush; |
208 |
|
|
break; |
209 |
|
|
case SIGFPE: |
210 |
|
|
std::cerr << ">>> FATAL ERROR: Erroneous arithmetic operation (SIGFPE) occured! <<<\n" << std::flush; |
211 |
|
|
break; |
212 |
|
|
case SIGUSR1: |
213 |
|
|
std::cerr << ">>> User defined signal 1 (SIGUSR1) received <<<\n" << std::flush; |
214 |
|
|
break; |
215 |
|
|
case SIGUSR2: |
216 |
|
|
std::cerr << ">>> User defined signal 2 (SIGUSR2) received <<<\n" << std::flush; |
217 |
|
|
break; |
218 |
|
|
default: { // this should never happen, as we register for the signals we want |
219 |
|
|
std::cerr << ">>> FATAL ERROR: Unknown signal received! <<<\n" << std::flush; |
220 |
|
|
break; |
221 |
|
|
} |
222 |
schoenebeck |
9 |
} |
223 |
schoenebeck |
271 |
signal(iSignal, SIG_DFL); // Reinstall default handler to prevent race conditions |
224 |
|
|
std::cerr << "Showing stack trace...\n" << std::flush; |
225 |
|
|
StackTrace(); |
226 |
|
|
sleep(2); |
227 |
|
|
std::cerr << "Killing LinuxSampler...\n" << std::flush; |
228 |
|
|
kill_app(); // Use abort() if we want to generate a core dump. |
229 |
schoenebeck |
9 |
} |
230 |
|
|
|
231 |
schoenebeck |
271 |
void kill_app() { |
232 |
|
|
kill(main_thread, SIGKILL); |
233 |
|
|
} |
234 |
|
|
|
235 |
senkov |
325 |
void parse_options(int argc, char **argv) { |
236 |
schoenebeck |
9 |
int res; |
237 |
|
|
int option_index = 0; |
238 |
|
|
static struct option long_options[] = |
239 |
|
|
{ |
240 |
|
|
{"help",0,0,0}, |
241 |
senkov |
325 |
{"version",0,0,0}, |
242 |
|
|
{"profile",0,0,0}, |
243 |
|
|
{"no-tune",0,0,0}, |
244 |
schoenebeck |
420 |
{"statistics",0,0,0}, |
245 |
schoenebeck |
9 |
{0,0,0,0} |
246 |
|
|
}; |
247 |
|
|
|
248 |
|
|
while (true) { |
249 |
schoenebeck |
361 |
/* |
250 |
|
|
Stephane Letz : letz@grame.fr |
251 |
|
|
getopt_long_only does not exist on OSX : replaced by getopt_long for now. |
252 |
|
|
*/ |
253 |
|
|
res = getopt_long(argc, argv, "", long_options, &option_index); |
254 |
schoenebeck |
9 |
if(res == -1) break; |
255 |
|
|
if (res == 0) { |
256 |
|
|
switch(option_index) { |
257 |
senkov |
325 |
case 0: // --help |
258 |
|
|
printf("usage: linuxsampler [OPTIONS]\n\n"); |
259 |
|
|
printf("--help prints this message\n"); |
260 |
|
|
printf("--version prints version information\n"); |
261 |
|
|
printf("--profile profile synthesis algorithms\n"); |
262 |
|
|
printf("--no-tune disable assembly optimization\n"); |
263 |
schoenebeck |
420 |
printf("--statistics prints periodically statistics\n"); |
264 |
senkov |
325 |
exit(EXIT_SUCCESS); |
265 |
schoenebeck |
9 |
break; |
266 |
senkov |
325 |
case 1: // --version |
267 |
schoenebeck |
328 |
printf("LinuxSampler %s\n", VERSION); |
268 |
|
|
exit(EXIT_SUCCESS); |
269 |
schoenebeck |
9 |
break; |
270 |
senkov |
325 |
case 2: // --profile |
271 |
persson |
425 |
profile = true; |
272 |
schoenebeck |
20 |
break; |
273 |
senkov |
325 |
case 3: // --no-tune |
274 |
persson |
425 |
tune = false; |
275 |
schoenebeck |
9 |
break; |
276 |
schoenebeck |
420 |
case 4: // --statistics |
277 |
|
|
bPrintStatistics = true; |
278 |
|
|
break; |
279 |
schoenebeck |
9 |
} |
280 |
|
|
} |
281 |
|
|
} |
282 |
senkov |
325 |
} |