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/*************************************************************************** |
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* * |
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* LinuxSampler - modular, streaming capable sampler * |
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* * |
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* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
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* * |
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* 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 * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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* This program is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License for more details. * |
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* * |
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* You should have received a copy of the GNU General Public License * |
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* along with this program; if not, write to the Free Software * |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
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* MA 02111-1307 USA * |
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***************************************************************************/ |
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|
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#include <getopt.h> |
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#include <signal.h> |
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|
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#include "Sampler.h" |
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#include "drivers/audio/AudioOutputDeviceFactory.h" |
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#include "network/lscpserver.h" |
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|
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#if 0 |
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#define AUDIO_CHANNELS 2 // stereo |
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#define AUDIO_FRAGMENTS 3 // 3 fragments, if it does not work set it to 2 |
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#define AUDIO_FRAGMENTSIZE 512 // each fragment has 512 frames |
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#define AUDIO_SAMPLERATE 44100 // Hz |
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#endif |
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|
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using namespace LinuxSampler; |
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|
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/*enum patch_format_t { |
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patch_format_unknown, |
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patch_format_gig, |
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patch_format_dls |
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} patch_format = patch_format_unknown;*/ |
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|
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Sampler* pSampler = NULL; |
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LSCPServer* pLSCPServer = NULL; |
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pthread_t signalhandlerthread; |
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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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|
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|
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void parse_options(int argc, char **argv); |
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void signal_handler(int signal); |
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|
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int main(int argc, char **argv) { |
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|
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// 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); |
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|
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// parse and assign command line options |
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//parse_options(argc, argv); |
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|
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/*if (patch_format != patch_format_gig) { |
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printf("Sorry only Gigasampler loading migrated in LinuxSampler so far, use --gig to load a .gig file!\n"); |
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printf("Use 'linuxsampler --help' to see all available options.\n"); |
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return EXIT_FAILURE; |
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}*/ |
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|
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|
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// create LinuxSampler instance |
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dmsg(1,("Creating Sampler...")); |
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pSampler = new Sampler; |
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dmsg(1,("OK\n")); |
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|
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dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str())); |
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|
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// create an audio output device |
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/* bool no_jack = true; |
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#if HAVE_JACK |
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if (use_jack) { |
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dmsg(1,("Creating audio output device (Jack)...")); |
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try { |
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pSampler->CreateAudioOutputDevice(audio_output_type_jack); |
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no_jack = false; |
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} |
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catch (AudioOutputException aoe) { |
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aoe.PrintMessage(); |
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dmsg(1,("Trying to create Alsa output device instead.\n")); |
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} |
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} |
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#endif // HAVE_JACK |
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if (no_jack) { |
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dmsg(1,("Creating audio output device (Alsa)...")); |
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try { |
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pSampler->CreateAudioOutputDevice(audio_output_type_alsa); |
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} |
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catch (AudioOutputException aoe) { |
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aoe.PrintMessage(); |
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dmsg(1,("Trying to create Alsa output device instead.\n")); |
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return EXIT_FAILURE; |
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} |
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} |
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dmsg(1,("OK\n"));*/ |
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|
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// start LSCP network server |
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dmsg(1,("Starting network server...")); |
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pLSCPServer = new LSCPServer(pSampler); |
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pLSCPServer->StartThread(); |
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dmsg(1,("OK\n")); |
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|
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printf("LinuxSampler initialization completed.\n"); |
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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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|
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return EXIT_SUCCESS; |
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} |
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|
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void signal_handler(int signal) { |
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if (pthread_equal(pthread_self(), signalhandlerthread) && signal == SIGINT) { |
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if (pLSCPServer) { |
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pLSCPServer->StopThread(); |
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delete pLSCPServer; |
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} |
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if (pSampler) delete pSampler; |
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printf("LinuxSampler stopped due to SIGINT\n"); |
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exit(EXIT_SUCCESS); |
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} |
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} |
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|
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/*void parse_options(int argc, char **argv) { |
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int res; |
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int option_index = 0; |
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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}, |
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{0,0,0,0} |
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}; |
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|
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while (true) { |
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res = getopt_long_only(argc, argv, "", long_options, &option_index); |
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if(res == -1) break; |
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if (res == 0) { |
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switch(option_index) { |
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case 0: // --numfragments |
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num_fragments = atoi(optarg); |
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break; |
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case 1: // --fragmentsize |
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fragmentsize = atoi(optarg); |
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break; |
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case 2: // --volume |
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volume = atof(optarg); |
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break; |
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case 3: // --dls |
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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; |
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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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} |
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break; |
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} |
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case 9: // --samplerate |
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samplerate = atoi(optarg); |
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break; |
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case 10: // --server |
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run_server = true; |
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break; |
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case 11: // --help |
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printf("usage: linuxsampler [OPTIONS] <INSTRUMENTFILE>\n\n"); |
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printf("--gig loads a Gigasampler instrument\n"); |
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printf("--dls loads a DLS instrument\n"); |
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printf("--instrument index of the instrument in the instrument file if it\n"); |
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printf(" contains more than one (default: 0)\n"); |
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printf("--numfragments sets the number of audio fragments\n"); |
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printf("--fragmentsize sets the fragment size\n"); |
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printf("--volume sets global volume gain factor (a value > 1.0 means\n"); |
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printf(" amplification, a value < 1.0 means attenuation,\n"); |
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printf(" default: 0.25)\n"); |
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printf("--inputclient connects to an Alsa sequencer input client on startup\n"); |
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printf(" (e.g. 64:0 to connect to a client with ID 64 and port 0)\n"); |
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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; |
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} |
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} |
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} |
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}*/ |
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