/[svn]/linuxsampler/trunk/src/linuxsampler.cpp
ViewVC logotype

Contents of /linuxsampler/trunk/src/linuxsampler.cpp

Parent Directory Parent Directory | Revision Log Revision Log


Revision 207 - (show annotations) (download)
Thu Jul 15 21:51:15 2004 UTC (19 years, 9 months ago) by schoenebeck
File size: 10878 byte(s)
* src/linuxsampler.cpp: print out LinuxSampler version and show all
  registered MIDI input drivers
* renamed class 'InputOutputDevice' -> 'Device'

1 /***************************************************************************
2 * *
3 * LinuxSampler - modular, streaming capable sampler *
4 * *
5 * Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6 * *
7 * This program is free software; you can redistribute it and/or modify *
8 * it under the terms of the GNU General Public License as published by *
9 * the Free Software Foundation; either version 2 of the License, or *
10 * (at your option) any later version. *
11 * *
12 * This program is distributed in the hope that it will be useful, *
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
15 * GNU General Public License for more details. *
16 * *
17 * You should have received a copy of the GNU General Public License *
18 * along with this program; if not, write to the Free Software *
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
20 * MA 02111-1307 USA *
21 ***************************************************************************/
22
23 #include <getopt.h>
24 #include <signal.h>
25
26 #include "Sampler.h"
27 #include "drivers/midi/MidiInputDeviceFactory.h"
28 #include "drivers/audio/AudioOutputDeviceFactory.h"
29 #include "network/lscpserver.h"
30
31 #if 0
32 #define AUDIO_CHANNELS 2 // stereo
33 #define AUDIO_FRAGMENTS 3 // 3 fragments, if it does not work set it to 2
34 #define AUDIO_FRAGMENTSIZE 512 // each fragment has 512 frames
35 #define AUDIO_SAMPLERATE 44100 // Hz
36 #endif
37
38 using namespace LinuxSampler;
39
40 /*enum patch_format_t {
41 patch_format_unknown,
42 patch_format_gig,
43 patch_format_dls
44 } patch_format = patch_format_unknown;*/
45
46 Sampler* pSampler = NULL;
47 LSCPServer* pLSCPServer = NULL;
48 pthread_t signalhandlerthread;
49 /*AudioThread* pEngine = NULL;
50 uint instrument_index = 0;
51 double volume = 0.25;
52 int num_fragments = AUDIO_FRAGMENTS;
53 int fragmentsize = AUDIO_FRAGMENTSIZE;
54 uint samplerate = AUDIO_SAMPLERATE;
55 String input_client;
56 String alsaout = "0,0"; // default card
57 String jack_playback[2] = { "", "" };
58 bool use_jack = true;
59 bool run_server = false;*/
60
61
62 void parse_options(int argc, char **argv);
63 void signal_handler(int signal);
64
65 int main(int argc, char **argv) {
66
67 // setting signal handler for catching SIGINT (thus e.g. <CTRL><C>)
68 signalhandlerthread = pthread_self();
69 signal(SIGINT, signal_handler);
70
71 // parse and assign command line options
72 //parse_options(argc, argv);
73
74 /*if (patch_format != patch_format_gig) {
75 printf("Sorry only Gigasampler loading migrated in LinuxSampler so far, use --gig to load a .gig file!\n");
76 printf("Use 'linuxsampler --help' to see all available options.\n");
77 return EXIT_FAILURE;
78 }*/
79
80 dmsg(1,("LinuxSampler %s\n", VERSION));
81 dmsg(1,("Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck\n"));
82
83 // create LinuxSampler instance
84 dmsg(1,("Creating Sampler..."));
85 pSampler = new Sampler;
86 dmsg(1,("OK\n"));
87
88 dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str()));
89 dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str()));
90
91 // create an audio output device
92 /* bool no_jack = true;
93 #if HAVE_JACK
94 if (use_jack) {
95 dmsg(1,("Creating audio output device (Jack)..."));
96 try {
97 pSampler->CreateAudioOutputDevice(audio_output_type_jack);
98 no_jack = false;
99 }
100 catch (AudioOutputException aoe) {
101 aoe.PrintMessage();
102 dmsg(1,("Trying to create Alsa output device instead.\n"));
103 }
104 }
105 #endif // HAVE_JACK
106 if (no_jack) {
107 dmsg(1,("Creating audio output device (Alsa)..."));
108 try {
109 pSampler->CreateAudioOutputDevice(audio_output_type_alsa);
110 }
111 catch (AudioOutputException aoe) {
112 aoe.PrintMessage();
113 dmsg(1,("Trying to create Alsa output device instead.\n"));
114 return EXIT_FAILURE;
115 }
116 }
117 dmsg(1,("OK\n"));*/
118
119 // start LSCP network server
120 dmsg(1,("Starting LSCP network server..."));
121 pLSCPServer = new LSCPServer(pSampler);
122 pLSCPServer->StartThread();
123 dmsg(1,("OK\n"));
124
125 printf("LinuxSampler initialization completed.\n");
126
127 while(true) {
128 /*printf("Voices: %3.3d (Max: %3.3d) Streams: %3.3d (Max: %3.3d, Unused: %3.3d)\r",
129 pEngine->ActiveVoiceCount, pEngine->ActiveVoiceCountMax,
130 pEngine->pDiskThread->ActiveStreamCount, pEngine->pDiskThread->ActiveStreamCountMax, Stream::GetUnusedStreams());
131 fflush(stdout);*/
132 usleep(500000);
133 }
134
135 return EXIT_SUCCESS;
136 }
137
138 void signal_handler(int signal) {
139 if (pthread_equal(pthread_self(), signalhandlerthread) && signal == SIGINT) {
140 if (pLSCPServer) {
141 pLSCPServer->StopThread();
142 delete pLSCPServer;
143 }
144 if (pSampler) delete pSampler;
145 printf("LinuxSampler stopped due to SIGINT\n");
146 exit(EXIT_SUCCESS);
147 }
148 }
149
150 /*void parse_options(int argc, char **argv) {
151 int res;
152 int option_index = 0;
153 static struct option long_options[] =
154 {
155 {"numfragments",1,0,0},
156 {"fragmentsize",1,0,0},
157 {"volume",1,0,0},
158 {"dls",0,0,0},
159 {"gig",0,0,0},
160 {"instrument",1,0,0},
161 {"inputclient",1,0,0},
162 {"alsaout",1,0,0},
163 {"jackout",1,0,0},
164 {"samplerate",1,0,0},
165 {"server",0,0,0},
166 {"help",0,0,0},
167 {0,0,0,0}
168 };
169
170 while (true) {
171 res = getopt_long_only(argc, argv, "", long_options, &option_index);
172 if(res == -1) break;
173 if (res == 0) {
174 switch(option_index) {
175 case 0: // --numfragments
176 num_fragments = atoi(optarg);
177 break;
178 case 1: // --fragmentsize
179 fragmentsize = atoi(optarg);
180 break;
181 case 2: // --volume
182 volume = atof(optarg);
183 break;
184 case 3: // --dls
185 patch_format = patch_format_dls;
186 break;
187 case 4: // --gig
188 patch_format = patch_format_gig;
189 break;
190 case 5: // --instrument
191 instrument_index = atoi(optarg);
192 break;
193 case 6: // --inputclient
194 input_client = optarg;
195 break;
196 case 7: // --alsaout
197 alsaout = optarg;
198 use_jack = false; // If this option is specified do not connect to jack
199 break;
200 case 8: { // --jackout
201 try {
202 String arg(optarg);
203 // remove outer apostrophes
204 arg = arg.substr(arg.find('\'') + 1, arg.rfind('\'') - (arg.find('\'') + 1));
205 // split in two arguments
206 jack_playback[0] = arg.substr(0, arg.find("\' "));
207 jack_playback[1] = arg.substr(arg.find("\' ") + 2, arg.size() - (arg.find("\' ") + 2));
208 // remove inner apostrophes
209 jack_playback[0] = jack_playback[0].substr(0, jack_playback[0].find('\''));
210 jack_playback[1] = jack_playback[1].substr(jack_playback[1].find('\'') + 1, jack_playback[1].size() - jack_playback[1].find('\''));
211 // this is the default but set it up anyway in case alsa_card was also used.
212 use_jack = true;
213 }
214 catch (...) {
215 fprintf(stderr, "Invalid argument '%s' for parameter --jackout\n", optarg);
216 exit(EXIT_FAILURE);
217 }
218 break;
219 }
220 case 9: // --samplerate
221 samplerate = atoi(optarg);
222 break;
223 case 10: // --server
224 run_server = true;
225 break;
226 case 11: // --help
227 printf("usage: linuxsampler [OPTIONS] <INSTRUMENTFILE>\n\n");
228 printf("--gig loads a Gigasampler instrument\n");
229 printf("--dls loads a DLS instrument\n");
230 printf("--instrument index of the instrument in the instrument file if it\n");
231 printf(" contains more than one (default: 0)\n");
232 printf("--numfragments sets the number of audio fragments\n");
233 printf("--fragmentsize sets the fragment size\n");
234 printf("--volume sets global volume gain factor (a value > 1.0 means\n");
235 printf(" amplification, a value < 1.0 means attenuation,\n");
236 printf(" default: 0.25)\n");
237 printf("--inputclient connects to an Alsa sequencer input client on startup\n");
238 printf(" (e.g. 64:0 to connect to a client with ID 64 and port 0)\n");
239 printf("--alsaout connects to the given Alsa sound device on startup\n");
240 printf(" (e.g. 0,0 to connect to hw:0,0 or plughw:0,0)\n");
241 printf("--jackout connects to the given Jack playback ports on startup\n");
242 printf(" (e.g. \"\'alsa_pcm:playback_1\' \'alsa_pcm:playback_2\'\"\n");
243 printf(" in case of stereo output)\n");
244 printf("--samplerate sets sample rate if supported by audio output system\n");
245 printf(" (e.g. 44100)\n");
246 printf("--server launch network server for remote control\n");
247 exit(EXIT_SUCCESS);
248 break;
249 }
250 }
251 }
252 }*/

  ViewVC Help
Powered by ViewVC