trunk/src/linuxsampler.cpp

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the Free Software           *
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
 *   MA  02111-1307  USA                                                   *
 ***************************************************************************/

#include <getopt.h>
#include <signal.h>

#include "Sampler.h"
#include "drivers/midi/MidiInputDeviceFactory.h"
#include "drivers/audio/AudioOutputDeviceFactory.h"
#include "network/lscpserver.h"

using namespace LinuxSampler;

Sampler*    pSampler    = NULL;
LSCPServer* pLSCPServer = NULL;
pthread_t   signalhandlerthread;

void parse_options(int argc, char **argv);
void signal_handler(int signal);

int main(int argc, char **argv) {

    // setting signal handler for catching SIGINT (thus e.g. <CTRL><C>)
    signalhandlerthread = pthread_self();
    signal(SIGINT, signal_handler);

    // parse and assign command line options
    //parse_options(argc, argv);

    dmsg(1,("LinuxSampler %s\n", VERSION));
    dmsg(1,("Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck\n"));

    // create LinuxSampler instance
    dmsg(1,("Creating Sampler..."));
    pSampler = new Sampler;
    dmsg(1,("OK\n"));

    dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str()));
    dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str()));

    // start LSCP network server
    dmsg(1,("Starting LSCP network server (on TCP port %d)...", LSCP_PORT));
    pLSCPServer = new LSCPServer(pSampler);
    pLSCPServer->StartThread();
    pLSCPServer->WaitUntilInitialized();
    dmsg(1,("OK\n"));

    printf("LinuxSampler initialization completed.\n");

    while(true)  {
      /*printf("Voices: %3.3d (Max: %3.3d) Streams: %3.3d (Max: %3.3d, Unused: %3.3d)\r",
            pEngine->ActiveVoiceCount, pEngine->ActiveVoiceCountMax,
            pEngine->pDiskThread->ActiveStreamCount, pEngine->pDiskThread->ActiveStreamCountMax, Stream::GetUnusedStreams());
      fflush(stdout);*/
      usleep(500000);
    }

    return EXIT_SUCCESS;
}

void signal_handler(int signal) {
    if (pthread_equal(pthread_self(), signalhandlerthread) && signal == SIGINT) {
        if (pLSCPServer) {
            pLSCPServer->StopThread();
            delete pLSCPServer;
        }
        if (pSampler) delete pSampler;
        printf("LinuxSampler stopped due to SIGINT\n");
        exit(EXIT_SUCCESS);
    }
}

/*void parse_options(int argc, char **argv) {
    int res;
    int option_index = 0;
    static struct option long_options[] =
        {
            {"numfragments",1,0,0},
            {"fragmentsize",1,0,0},
            {"volume",1,0,0},
            {"dls",0,0,0},
            {"gig",0,0,0},
            {"instrument",1,0,0},
            {"inputclient",1,0,0},
            {"alsaout",1,0,0},
            {"jackout",1,0,0},
            {"samplerate",1,0,0},
            {"server",0,0,0},
            {"help",0,0,0},
            {0,0,0,0}
        };

    while (true) {
        res = getopt_long_only(argc, argv, "", long_options, &option_index);
        if(res == -1) break;
        if (res == 0) {
            switch(option_index) {
                case 0: // --numfragments
                    num_fragments = atoi(optarg);
                    break;
                case 1: // --fragmentsize
                    fragmentsize = atoi(optarg);
                    break;
                case 2: // --volume
                    volume = atof(optarg);
                    break;
                case 3: // --dls
                    patch_format = patch_format_dls;
                    break;
                case 4: // --gig
                    patch_format = patch_format_gig;
                    break;
                case 5: // --instrument
                    instrument_index = atoi(optarg);
                    break;
                case 6: // --inputclient
                    input_client = optarg;
                    break;
                case 7: // --alsaout
                    alsaout = optarg;
                    use_jack = false; // If this option is specified do not connect to jack
                    break;
                case 8: { // --jackout
                    try {
                        String arg(optarg);
                        // remove outer apostrophes
                        arg = arg.substr(arg.find('\'') + 1, arg.rfind('\'') - (arg.find('\'') + 1));
                        // split in two arguments
                        jack_playback[0] = arg.substr(0, arg.find("\' "));
                        jack_playback[1] = arg.substr(arg.find("\' ") + 2, arg.size() - (arg.find("\' ") + 2));
                        // remove inner apostrophes
                        jack_playback[0] = jack_playback[0].substr(0, jack_playback[0].find('\''));
                        jack_playback[1] = jack_playback[1].substr(jack_playback[1].find('\'') + 1, jack_playback[1].size() - jack_playback[1].find('\''));
                        // this is the default but set it up anyway in case alsa_card was also used.
                        use_jack = true;
                    }
                    catch (...) {
                        fprintf(stderr, "Invalid argument '%s' for parameter --jackout\n", optarg);
                        exit(EXIT_FAILURE);
                    }
                    break;
                }
                case 9: // --samplerate
                    samplerate = atoi(optarg);
                    break;
                case 10: // --server
                    run_server = true;
                    break;
                case 11: // --help
                    printf("usage: linuxsampler [OPTIONS] <INSTRUMENTFILE>\n\n");
                    printf("--gig              loads a Gigasampler instrument\n");
                    printf("--dls              loads a DLS instrument\n");
                    printf("--instrument       index of the instrument in the instrument file if it\n");
                    printf("                   contains more than one (default: 0)\n");
                    printf("--numfragments     sets the number of audio fragments\n");
                    printf("--fragmentsize     sets the fragment size\n");
                    printf("--volume           sets global volume gain factor (a value > 1.0 means\n");
                    printf("                   amplification, a value < 1.0 means attenuation,\n");
                    printf("                   default: 0.25)\n");
                    printf("--inputclient      connects to an Alsa sequencer input client on startup\n");
                    printf("                   (e.g. 64:0 to connect to a client with ID 64 and port 0)\n");
                    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);
                    break;
            }
        }
    }
}*/
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	using namespace LinuxSampler;
32
33	Sampler* pSampler = NULL;
34	LSCPServer* pLSCPServer = NULL;
35	pthread_t signalhandlerthread;
36
37	void parse_options(int argc, char **argv);
38	void signal_handler(int signal);
39
40	int main(int argc, char **argv) {
41
42	// setting signal handler for catching SIGINT (thus e.g. <CTRL><C>)
43	signalhandlerthread = pthread_self();
44	signal(SIGINT, signal_handler);
45
46	// parse and assign command line options
47	//parse_options(argc, argv);
48
49	dmsg(1,("LinuxSampler %s\n", VERSION));
50	dmsg(1,("Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck\n"));
51
52	// create LinuxSampler instance
53	dmsg(1,("Creating Sampler..."));
54	pSampler = new Sampler;
55	dmsg(1,("OK\n"));
56
57	dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str()));
58	dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str()));
59
60	// start LSCP network server
61	dmsg(1,("Starting LSCP network server (on TCP port %d)...", LSCP_PORT));
62	pLSCPServer = new LSCPServer(pSampler);
63	pLSCPServer->StartThread();
64	pLSCPServer->WaitUntilInitialized();
65	dmsg(1,("OK\n"));
66
67	printf("LinuxSampler initialization completed.\n");
68
69	while(true) {
70	/*printf("Voices: %3.3d (Max: %3.3d) Streams: %3.3d (Max: %3.3d, Unused: %3.3d)\r",
71	pEngine->ActiveVoiceCount, pEngine->ActiveVoiceCountMax,
72	pEngine->pDiskThread->ActiveStreamCount, pEngine->pDiskThread->ActiveStreamCountMax, Stream::GetUnusedStreams());
73	fflush(stdout);*/
74	usleep(500000);
75	}
76
77	return EXIT_SUCCESS;
78	}
79
80	void signal_handler(int signal) {
81	if (pthread_equal(pthread_self(), signalhandlerthread) && signal == SIGINT) {
82	if (pLSCPServer) {
83	pLSCPServer->StopThread();
84	delete pLSCPServer;
85	}
86	if (pSampler) delete pSampler;
87	printf("LinuxSampler stopped due to SIGINT\n");
88	exit(EXIT_SUCCESS);
89	}
90	}
91
92	/void parse_options(int argc, char *argv) {
93	int res;
94	int option_index = 0;
95	static struct option long_options[] =
96	{
97	{"numfragments",1,0,0},
98	{"fragmentsize",1,0,0},
99	{"volume",1,0,0},
100	{"dls",0,0,0},
101	{"gig",0,0,0},
102	{"instrument",1,0,0},
103	{"inputclient",1,0,0},
104	{"alsaout",1,0,0},
105	{"jackout",1,0,0},
106	{"samplerate",1,0,0},
107	{"server",0,0,0},
108	{"help",0,0,0},
109	{0,0,0,0}
110	};
111
112	while (true) {
113	res = getopt_long_only(argc, argv, "", long_options, &option_index);
114	if(res == -1) break;
115	if (res == 0) {
116	switch(option_index) {
117	case 0: // --numfragments
118	num_fragments = atoi(optarg);
119	break;
120	case 1: // --fragmentsize
121	fragmentsize = atoi(optarg);
122	break;
123	case 2: // --volume
124	volume = atof(optarg);
125	break;
126	case 3: // --dls
127	patch_format = patch_format_dls;
128	break;
129	case 4: // --gig
130	patch_format = patch_format_gig;
131	break;
132	case 5: // --instrument
133	instrument_index = atoi(optarg);
134	break;
135	case 6: // --inputclient
136	input_client = optarg;
137	break;
138	case 7: // --alsaout
139	alsaout = optarg;
140	use_jack = false; // If this option is specified do not connect to jack
141	break;
142	case 8: { // --jackout
143	try {
144	String arg(optarg);
145	// remove outer apostrophes
146	arg = arg.substr(arg.find('\'') + 1, arg.rfind('\'') - (arg.find('\'') + 1));
147	// split in two arguments
148	jack_playback[0] = arg.substr(0, arg.find("\' "));
149	jack_playback[1] = arg.substr(arg.find("\' ") + 2, arg.size() - (arg.find("\' ") + 2));
150	// remove inner apostrophes
151	jack_playback[0] = jack_playback[0].substr(0, jack_playback[0].find('\''));
152	jack_playback[1] = jack_playback[1].substr(jack_playback[1].find('\'') + 1, jack_playback[1].size() - jack_playback[1].find('\''));
153	// this is the default but set it up anyway in case alsa_card was also used.
154	use_jack = true;
155	}
156	catch (...) {
157	fprintf(stderr, "Invalid argument '%s' for parameter --jackout\n", optarg);
158	exit(EXIT_FAILURE);
159	}
160	break;
161	}
162	case 9: // --samplerate
163	samplerate = atoi(optarg);
164	break;
165	case 10: // --server
166	run_server = true;
167	break;
168	case 11: // --help
169	printf("usage: linuxsampler [OPTIONS] <INSTRUMENTFILE>\n\n");
170	printf("--gig loads a Gigasampler instrument\n");
171	printf("--dls loads a DLS instrument\n");
172	printf("--instrument index of the instrument in the instrument file if it\n");
173	printf(" contains more than one (default: 0)\n");
174	printf("--numfragments sets the number of audio fragments\n");
175	printf("--fragmentsize sets the fragment size\n");
176	printf("--volume sets global volume gain factor (a value > 1.0 means\n");
177	printf(" amplification, a value < 1.0 means attenuation,\n");
178	printf(" default: 0.25)\n");
179	printf("--inputclient connects to an Alsa sequencer input client on startup\n");
180	printf(" (e.g. 64:0 to connect to a client with ID 64 and port 0)\n");
181	printf("--alsaout connects to the given Alsa sound device on startup\n");
182	printf(" (e.g. 0,0 to connect to hw:0,0 or plughw:0,0)\n");
183	printf("--jackout connects to the given Jack playback ports on startup\n");
184	printf(" (e.g. \"\'alsa_pcm:playback_1\' \'alsa_pcm:playback_2\'\"\n");
185	printf(" in case of stereo output)\n");
186	printf("--samplerate sets sample rate if supported by audio output system\n");
187	printf(" (e.g. 44100)\n");
188	printf("--server launch network server for remote control\n");
189	exit(EXIT_SUCCESS);
190	break;
191	}
192	}
193	}
194	}*/