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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 "lscpserver.h" |
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#include "lscpresultset.h" |
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|
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#include "../engines/gig/Engine.h" |
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#include "../audiodriver/AudioOutputDeviceFactory.h" |
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|
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LSCPServer::LSCPServer(Sampler* pSampler) : Thread(false, 0, -4) { |
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this->pSampler = pSampler; |
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} |
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|
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int LSCPServer::Main() { |
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hSocket = socket(AF_INET, SOCK_STREAM, 0); |
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if (hSocket < 0) { |
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std::cerr << "LSCPServer: Could not create server socket." << std::endl; |
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//return -1; |
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exit(EXIT_FAILURE); |
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} |
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|
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SocketAddress.sin_family = AF_INET; |
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SocketAddress.sin_port = htons(LSCP_PORT); |
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SocketAddress.sin_addr.s_addr = htonl(INADDR_ANY); |
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|
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if (bind(hSocket, (sockaddr*) &SocketAddress, sizeof(sockaddr_in)) < 0) { |
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std::cerr << "LSCPServer: Could not bind server socket." << std::endl; |
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close(hSocket); |
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//return -1; |
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exit(EXIT_FAILURE); |
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} |
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|
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listen(hSocket, 1); |
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dmsg(1,("LSCPServer: Server running.\n")); // server running |
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|
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// now wait for client connections and handle their requests |
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sockaddr_in client; |
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int length = sizeof(client); |
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while (true) { |
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hSession = accept(hSocket, (sockaddr*) &client, (socklen_t*) &length); |
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if (hSession < 0) { |
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std::cerr << "LSCPServer: Client connection failed." << std::endl; |
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close(hSocket); |
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//return -1; |
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exit(EXIT_FAILURE); |
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} |
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|
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dmsg(1,("LSCPServer: Client connection established.\n")); |
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//send(hSession, "Welcome!\r\n", 10, 0); |
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|
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// Parser invocation |
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yyparse_param_t yyparse_param; |
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yyparse_param.pServer = this; |
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yylex_init(&yyparse_param.pScanner); |
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while (yyparse(&yyparse_param) == LSCP_SYNTAX_ERROR); // recall parser in case of syntax error |
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yylex_destroy(yyparse_param.pScanner); |
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|
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close(hSession); |
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dmsg(1,("LSCPServer: Client connection terminated.\n")); |
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} |
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} |
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|
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/** |
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* Will be called by the parser whenever it wants to send an answer to the |
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* client / frontend. |
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* |
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* @param ReturnMessage - message that will be send to the client |
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*/ |
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void LSCPServer::AnswerClient(String ReturnMessage) { |
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dmsg(2,("LSCPServer::AnswerClient(ReturnMessage=%s)", ReturnMessage.c_str())); |
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send(hSession, ReturnMessage.c_str(), ReturnMessage.size(), 0); |
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} |
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|
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String LSCPServer::CreateAudioOutputDevice(String Driver, std::map<String,String> Parameters) { |
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dmsg(2,("LSCPServer: CreateAudioOutputDevice(Driver=%s)\n", Driver.c_str())); |
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LSCPResultSet result; |
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try { |
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AudioOutputDevice* pDevice = pSampler->CreateAudioOutputDevice(Driver, Parameters); |
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std::map<uint, AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices(); |
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// search for the created device to get its index |
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int index = -1; |
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std::map<uint, AudioOutputDevice*>::iterator iter = devices.begin(); |
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for (; iter != devices.end(); iter++) { |
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if (iter->second == pDevice) { |
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index = iter->first; |
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break; |
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} |
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} |
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if (index == -1) throw LinuxSamplerException("Internal error: could not find created audio output device."); |
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result = index; // success |
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} |
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catch (LinuxSamplerException e) { |
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result.Error(e); |
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} |
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return result.Produce(); |
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} |
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|
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String LSCPServer::DestroyAudioOutputDevice(uint DeviceIndex) { |
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dmsg(2,("LSCPServer: DestroyAudioOutputDevice(DeviceIndex=%d)\n", DeviceIndex)); |
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LSCPResultSet result; |
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try { |
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std::map<uint, AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices(); |
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if (!devices[DeviceIndex]) throw LinuxSamplerException("There is no audio output device with index " + ToString(DeviceIndex) + "."); |
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AudioOutputDevice* pDevice = devices[DeviceIndex]; |
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pSampler->DestroyAudioOutputDevice(pDevice); |
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} |
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catch (LinuxSamplerException e) { |
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result.Error(e); |
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} |
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return result.Produce(); |
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} |
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|
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/** |
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* Will be called by the parser to load an instrument. |
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*/ |
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String LSCPServer::LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel, bool bBackground) { |
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dmsg(2,("LSCPServer: LoadInstrument(Filename=%s,Instrument=%d,SamplerChannel=%d)\n", Filename.c_str(), uiInstrument, uiSamplerChannel)); |
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LSCPResultSet result; |
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try { |
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SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel); |
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if (!pSamplerChannel) throw LinuxSamplerException("Index out of bounds"); |
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Engine* pEngine = pSamplerChannel->GetEngine(); |
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if (!pEngine) throw LinuxSamplerException("No engine loaded on channel"); |
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if (bBackground) { |
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LSCPLoadInstrument *pLoadInstrument = new LSCPLoadInstrument(pEngine, Filename.c_str(), uiInstrument); |
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pLoadInstrument->StartThread(); |
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} |
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else pEngine->LoadInstrument(Filename.c_str(), uiInstrument); |
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} |
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catch (LinuxSamplerException e) { |
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result.Error(e); |
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} |
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return result.Produce(); |
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} |
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|
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/** |
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* Will be called by the parser to load and deploy an engine. |
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*/ |
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String LSCPServer::LoadEngine(String EngineName, uint uiSamplerChannel) { |
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dmsg(2,("LSCPServer: LoadEngine(EngineName=%s,SamplerChannel=%d)\n", EngineName.c_str(), uiSamplerChannel)); |
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LSCPResultSet result; |
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try { |
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Engine::type_t type; |
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if ((EngineName == "GigEngine") || (EngineName == "gig")) type = Engine::type_gig; |
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else throw LinuxSamplerException("Unknown engine type"); |
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SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel); |
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if (!pSamplerChannel) throw LinuxSamplerException("Index out of bounds"); |
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pSamplerChannel->LoadEngine(type); |
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} |
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catch (LinuxSamplerException e) { |
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result.Error(e); |
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} |
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return result.Produce(); |
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} |
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|
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/** |
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* Will be called by the parser to get the amount of sampler channels. |
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*/ |
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String LSCPServer::GetChannels() { |
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dmsg(2,("LSCPServer: GetChannels()\n")); |
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LSCPResultSet result; |
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result.Add(pSampler->SamplerChannels()); |
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return result.Produce(); |
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} |
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|
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/** |
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* Will be called by the parser to add a sampler channel. |
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*/ |
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String LSCPServer::AddChannel() { |
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dmsg(2,("LSCPServer: AddChannel()\n")); |
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SamplerChannel* pSamplerChannel = pSampler->AddSamplerChannel(); |
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LSCPResultSet result(pSamplerChannel->Index()); |
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return result.Produce(); |
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} |
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|
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/** |
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* Will be called by the parser to remove a sampler channel. |
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*/ |
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String LSCPServer::RemoveChannel(uint uiSamplerChannel) { |
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dmsg(2,("LSCPServer: RemoveChannel(SamplerChannel=%d)\n", uiSamplerChannel)); |
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LSCPResultSet result; |
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pSampler->RemoveSamplerChannel(uiSamplerChannel); |
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return result.Produce(); |
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} |
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|
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/** |
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* Will be called by the parser to get all available engines. |
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*/ |
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String LSCPServer::GetAvailableEngines() { |
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dmsg(2,("LSCPServer: GetAvailableEngines()\n")); |
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LSCPResultSet result("GigEngine"); |
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return result.Produce(); |
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} |
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|
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/** |
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* Will be called by the parser to get descriptions for a particular engine. |
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*/ |
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String LSCPServer::GetEngineInfo(String EngineName) { |
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dmsg(2,("LSCPServer: GetEngineInfo(EngineName=%s)\n", EngineName.c_str())); |
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LSCPResultSet result; |
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try { |
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if ((EngineName == "GigEngine") || (EngineName == "gig")) { |
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Engine* pEngine = new LinuxSampler::gig::Engine; |
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result.Add(pEngine->Description()); |
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result.Add(pEngine->Version()); |
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delete pEngine; |
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} |
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else throw LinuxSamplerException("Unknown engine type"); |
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} |
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catch (LinuxSamplerException e) { |
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result.Error(e); |
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} |
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return result.Produce(); |
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} |
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|
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/** |
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* Will be called by the parser to get informations about a particular |
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* sampler channel. |
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*/ |
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String LSCPServer::GetChannelInfo(uint uiSamplerChannel) { |
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dmsg(2,("LSCPServer: GetChannelInfo(SamplerChannel=%d)\n", uiSamplerChannel)); |
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LSCPResultSet result; |
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try { |
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SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel); |
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if (!pSamplerChannel) throw LinuxSamplerException("Index out of bounds"); |
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Engine* pEngine = pSamplerChannel->GetEngine(); |
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|
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//Defaults values |
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String EngineName = "NONE"; |
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float Volume = 0; |
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String InstrumentFileName = "NONE"; |
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int InstrumentIndex = -1; |
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int InstrumentStatus = -1; |
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|
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if (pEngine) { |
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EngineName = pEngine->EngineName(); |
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Volume = pEngine->Volume(); |
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InstrumentStatus = pEngine->InstrumentStatus(); |
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InstrumentIndex = pEngine->InstrumentIndex(); |
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if (InstrumentIndex != -1) |
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InstrumentFileName = pEngine->InstrumentFileName(); |
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} |
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|
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result.Add("ENGINE_NAME", EngineName); |
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result.Add("VOLUME", Volume); |
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|
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//Some hardcoded stuff for now to make GUI look good |
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result.Add("AUDIO_OUTPUT_DEVICE", "0"); |
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result.Add("AUDIO_OUTPUT_CHANNELS", "2"); |
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result.Add("AUDIO_OUTPUT_ROUTING", "0,1"); |
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|
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result.Add("INSTRUMENT_FILE", InstrumentFileName); |
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result.Add("INSTRUMENT_NR", InstrumentIndex); |
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result.Add("INSTRUMENT_STATUS", InstrumentStatus); |
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|
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//Some more hardcoded stuff for now to make GUI look good |
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result.Add("MIDI_INPUT_DEVICE", "0"); |
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result.Add("MIDI_INPUT_PORT", "0"); |
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result.Add("MIDI_INPUT_CHANNEL", "1"); |
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} |
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catch (LinuxSamplerException e) { |
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result.Error(e); |
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} |
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return result.Produce(); |
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} |
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|
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/** |
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* Will be called by the parser to get the amount of active voices on a |
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* particular sampler channel. |
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*/ |
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String LSCPServer::GetVoiceCount(uint uiSamplerChannel) { |
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dmsg(2,("LSCPServer: GetVoiceCount(SamplerChannel=%d)\n", uiSamplerChannel)); |
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LSCPResultSet result; |
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try { |
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SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel); |
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if (!pSamplerChannel) throw LinuxSamplerException("Index out of bounds"); |
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Engine* pEngine = pSamplerChannel->GetEngine(); |
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if (!pEngine) throw LinuxSamplerException("No engine loaded on channel"); |
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result.Add(pEngine->VoiceCount()); |
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} |
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catch (LinuxSamplerException e) { |
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result.Error(e); |
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} |
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return result.Produce(); |
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} |
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|
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/** |
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* Will be called by the parser to get the amount of active disk streams on a |
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* particular sampler channel. |
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*/ |
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String LSCPServer::GetStreamCount(uint uiSamplerChannel) { |
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dmsg(2,("LSCPServer: GetStreamCount(SamplerChannel=%d)\n", uiSamplerChannel)); |
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LSCPResultSet result; |
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try { |
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SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel); |
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if (!pSamplerChannel) throw LinuxSamplerException("Index out of bounds"); |
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Engine* pEngine = pSamplerChannel->GetEngine(); |
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if (!pEngine) throw LinuxSamplerException("No engine loaded on channel"); |
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result.Add(pEngine->DiskStreamCount()); |
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} |
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catch (LinuxSamplerException e) { |
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result.Error(e); |
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} |
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return result.Produce(); |
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} |
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|
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/** |
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* Will be called by the parser to get the buffer fill states of all disk |
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* streams on a particular sampler channel. |
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*/ |
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String LSCPServer::GetBufferFill(fill_response_t ResponseType, uint uiSamplerChannel) { |
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dmsg(2,("LSCPServer: GetBufferFill(ResponseType=%d, SamplerChannel=%d)\n", ResponseType, uiSamplerChannel)); |
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LSCPResultSet result; |
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try { |
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SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel); |
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if (!pSamplerChannel) throw LinuxSamplerException("Index out of bounds"); |
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Engine* pEngine = pSamplerChannel->GetEngine(); |
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if (!pEngine) throw LinuxSamplerException("No engine loaded on channel"); |
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if (!pEngine->DiskStreamSupported()) |
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result.Add("NA"); |
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else { |
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switch (ResponseType) { |
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case fill_response_bytes: |
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result.Add(pEngine->DiskStreamBufferFillBytes()); |
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break; |
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case fill_response_percentage: |
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result.Add(pEngine->DiskStreamBufferFillPercentage()); |
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break; |
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default: |
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throw LinuxSamplerException("Unknown fill response type"); |
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} |
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} |
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} |
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catch (LinuxSamplerException e) { |
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result.Error(e); |
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} |
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return result.Produce(); |
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} |
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|
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String LSCPServer::GetAvailableAudioOutputDrivers() { |
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dmsg(2,("LSCPServer: GetAvailableAudioOutputDrivers()\n")); |
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LSCPResultSet result; |
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try { |
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String s = AudioOutputDeviceFactory::AvailableDriversAsString(); |
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result.Add(s); |
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} |
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catch (LinuxSamplerException e) { |
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result.Error(e); |
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} |
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return result.Produce(); |
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} |
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|
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String LSCPServer::GetAudioOutputDriverInfo(String Driver) { |
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dmsg(2,("LSCPServer: GetAudioOutputDriverInfo(Driver=%s)\n",Driver.c_str())); |
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LSCPResultSet result; |
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try { |
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result.Add("DESCRIPTION", AudioOutputDeviceFactory::GetDriverDescription(Driver)); |
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result.Add("VERSION", AudioOutputDeviceFactory::GetDriverVersion(Driver)); |
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|
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std::map<String,DeviceCreationParameter*> parameters = AudioOutputDeviceFactory::GetAvailableDriverParameters(Driver); |
380 |
if (parameters.size()) { // if there are parameters defined for this driver |
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String s; |
382 |
std::map<String,DeviceCreationParameter*>::iterator iter = parameters.begin(); |
383 |
for (;iter != parameters.end(); iter++) { |
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if (s != "") s += ","; |
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s += iter->first; |
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} |
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result.Add("PARAMETERS", s); |
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} |
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} |
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catch (LinuxSamplerException e) { |
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result.Error(e); |
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} |
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return result.Produce(); |
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} |
395 |
|
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String LSCPServer::GetAudioOutputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList) { |
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dmsg(2,("LSCPServer: GetAudioOutputDriverParameterInfo(Driver=%s,Parameter=%s)\n",Driver.c_str(),Parameter.c_str())); |
398 |
LSCPResultSet result; |
399 |
try { |
400 |
DeviceCreationParameter* pParameter = AudioOutputDeviceFactory::GetDriverParameter(Driver, Parameter); |
401 |
result.Add("TYPE", pParameter->Type()); |
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result.Add("DESCRIPTION", pParameter->Description()); |
403 |
result.Add("MANDATORY", pParameter->Mandatory()); |
404 |
result.Add("FIX", pParameter->Fix()); |
405 |
result.Add("MULTIPLICITY", pParameter->Multiplicity()); |
406 |
if (pParameter->Depends()) result.Add("DEPENDS", pParameter->Depends()); |
407 |
if (pParameter->Default()) result.Add("DEFAULT", pParameter->Default()); |
408 |
if (pParameter->RangeMin()) result.Add("RANGE_MIN", pParameter->RangeMin()); |
409 |
if (pParameter->RangeMax()) result.Add("RANGE_MAX", pParameter->RangeMax()); |
410 |
if (pParameter->Possibilities()) result.Add("POSSIBILITIES", pParameter->Possibilities()); |
411 |
} |
412 |
catch (LinuxSamplerException e) { |
413 |
result.Error(e); |
414 |
} |
415 |
return result.Produce(); |
416 |
} |
417 |
|
418 |
String LSCPServer::GetAudioOutputDeviceCount() { |
419 |
dmsg(2,("LSCPServer: GetAudioOutputDeviceCount()\n")); |
420 |
LSCPResultSet result; |
421 |
try { |
422 |
uint count = pSampler->AudioOutputDevices(); |
423 |
result = count; // success |
424 |
} |
425 |
catch (LinuxSamplerException e) { |
426 |
result.Error(e); |
427 |
} |
428 |
return result.Produce(); |
429 |
} |
430 |
|
431 |
String LSCPServer::GetAudioOutputDevices() { |
432 |
dmsg(2,("LSCPServer: GetAudioOutputDevices()\n")); |
433 |
LSCPResultSet result; |
434 |
try { |
435 |
String s; |
436 |
std::map<uint, AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices(); |
437 |
std::map<uint, AudioOutputDevice*>::iterator iter = devices.begin(); |
438 |
for (; iter != devices.end(); iter++) { |
439 |
if (s != "") s += ","; |
440 |
s += ToString(iter->first); |
441 |
} |
442 |
result.Add(s); |
443 |
} |
444 |
catch (LinuxSamplerException e) { |
445 |
result.Error(e); |
446 |
} |
447 |
return result.Produce(); |
448 |
} |
449 |
|
450 |
String LSCPServer::GetAudioOutputDeviceInfo(uint DeviceIndex) { |
451 |
dmsg(2,("LSCPServer: GetAudioOutputDeviceInfo(DeviceIndex=%d)\n",DeviceIndex)); |
452 |
LSCPResultSet result; |
453 |
try { |
454 |
std::map<uint,AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices(); |
455 |
if (!devices[DeviceIndex]) throw LinuxSamplerException("There is no audio output device with index " + ToString(DeviceIndex) + "."); |
456 |
AudioOutputDevice* pDevice = devices[DeviceIndex]; |
457 |
std::map<String,DeviceCreationParameter*> parameters = pDevice->DeviceParameters(); |
458 |
std::map<String,DeviceCreationParameter*>::iterator iter = parameters.begin(); |
459 |
for (; iter != parameters.end(); iter++) { |
460 |
result.Add(iter->first, iter->second->Value()); |
461 |
} |
462 |
} |
463 |
catch (LinuxSamplerException e) { |
464 |
result.Error(e); |
465 |
} |
466 |
return result.Produce(); |
467 |
} |
468 |
|
469 |
String LSCPServer::GetAudioOutputChannelInfo(uint DeviceId, uint ChannelId) { |
470 |
dmsg(2,("LSCPServer: GetAudioOutputChannelInfo(DeviceId=%d,ChannelId)\n",DeviceId,ChannelId)); |
471 |
LSCPResultSet result; |
472 |
try { |
473 |
// get audio output device |
474 |
std::map<uint,AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices(); |
475 |
if (!devices[DeviceId]) throw LinuxSamplerException("There is no audio output device with index " + ToString(DeviceId) + "."); |
476 |
AudioOutputDevice* pDevice = devices[DeviceId]; |
477 |
|
478 |
// get audio channel |
479 |
AudioChannel* pChannel = pDevice->Channel(ChannelId); |
480 |
if (!pChannel) throw LinuxSamplerException("Audio ouotput device does not have channel " + ToString(ChannelId) + "."); |
481 |
|
482 |
// return the values of all audio channel parameters |
483 |
std::map<String,DeviceRuntimeParameter*> parameters = pChannel->ChannelParameters(); |
484 |
std::map<String,DeviceRuntimeParameter*>::iterator iter = parameters.begin(); |
485 |
for (; iter != parameters.end(); iter++) { |
486 |
result.Add(iter->first, iter->second->Value()); |
487 |
} |
488 |
} |
489 |
catch (LinuxSamplerException e) { |
490 |
result.Error(e); |
491 |
} |
492 |
return result.Produce(); |
493 |
} |
494 |
|
495 |
String LSCPServer::GetAudioOutputChannelParameterInfo(uint DeviceId, uint ChannelId, String ParameterName) { |
496 |
dmsg(2,("LSCPServer: GetAudioOutputChannelParameterInfo(DeviceId=%d,ChannelId=%d,ParameterName=%s)\n",DeviceId,ChannelId,ParameterName.c_str())); |
497 |
LSCPResultSet result; |
498 |
try { |
499 |
// get audio output device |
500 |
std::map<uint,AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices(); |
501 |
if (!devices[DeviceId]) throw LinuxSamplerException("There is no audio output device with index " + ToString(DeviceId) + "."); |
502 |
AudioOutputDevice* pDevice = devices[DeviceId]; |
503 |
|
504 |
// get audio channel |
505 |
AudioChannel* pChannel = pDevice->Channel(ChannelId); |
506 |
if (!pChannel) throw LinuxSamplerException("Audio output device does not have channel " + ToString(ChannelId) + "."); |
507 |
|
508 |
// get desired audio channel parameter |
509 |
std::map<String,DeviceRuntimeParameter*> parameters = pChannel->ChannelParameters(); |
510 |
if (!parameters[ParameterName]) throw LinuxSamplerException("Audio channel does not provide a parameter '" + ParameterName + "'."); |
511 |
DeviceRuntimeParameter* pParameter = parameters[ParameterName]; |
512 |
|
513 |
// return all fields of this audio channel parameter |
514 |
result.Add("TYPE", pParameter->Type()); |
515 |
result.Add("DESCRIPTION", pParameter->Description()); |
516 |
result.Add("FIX", pParameter->Fix()); |
517 |
result.Add("MULTIPLICITY", pParameter->Multiplicity()); |
518 |
if (pParameter->RangeMin()) result.Add("RANGE_MIN", pParameter->RangeMin()); |
519 |
if (pParameter->RangeMax()) result.Add("RANGE_MAX", pParameter->RangeMax()); |
520 |
if (pParameter->Possibilities()) result.Add("POSSIBILITIES", pParameter->Possibilities()); |
521 |
} |
522 |
catch (LinuxSamplerException e) { |
523 |
result.Error(e); |
524 |
} |
525 |
return result.Produce(); |
526 |
} |
527 |
|
528 |
String LSCPServer::SetAudioOutputChannelParameter(uint DeviceId, uint ChannelId, String ParamKey, String ParamVal) { |
529 |
dmsg(2,("LSCPServer: SetAudioOutputChannelParameter(DeviceId=%d,ChannelId=%d,ParamKey=%s,ParamVal=%s)\n",DeviceId,ChannelId,ParamKey.c_str(),ParamVal.c_str())); |
530 |
LSCPResultSet result; |
531 |
try { |
532 |
// get audio output device |
533 |
std::map<uint,AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices(); |
534 |
if (!devices[DeviceId]) throw LinuxSamplerException("There is no audio output device with index " + ToString(DeviceId) + "."); |
535 |
AudioOutputDevice* pDevice = devices[DeviceId]; |
536 |
|
537 |
// get audio channel |
538 |
AudioChannel* pChannel = pDevice->Channel(ChannelId); |
539 |
if (!pChannel) throw LinuxSamplerException("Audio output device does not have channel " + ToString(ChannelId) + "."); |
540 |
|
541 |
// get desired audio channel parameter |
542 |
std::map<String,DeviceRuntimeParameter*> parameters = pChannel->ChannelParameters(); |
543 |
if (!parameters[ParamKey]) throw LinuxSamplerException("Audio channel does not provide a parameter '" + ParamKey + "'."); |
544 |
DeviceRuntimeParameter* pParameter = parameters[ParamKey]; |
545 |
|
546 |
// set new channel parameter value |
547 |
pParameter->SetValue(ParamVal); |
548 |
} |
549 |
catch (LinuxSamplerException e) { |
550 |
result.Error(e); |
551 |
} |
552 |
return result.Produce(); |
553 |
} |
554 |
|
555 |
String LSCPServer::SetAudioOutputDeviceParameter(uint DeviceIndex, String ParamKey, String ParamVal) { |
556 |
dmsg(2,("LSCPServer: SetAudioOutputDeviceParameter(DeviceIndex=%d,ParamKey=%s,ParamVal=%s)\n",DeviceIndex,ParamKey.c_str(),ParamVal.c_str())); |
557 |
LSCPResultSet result; |
558 |
try { |
559 |
std::map<uint,AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices(); |
560 |
if (!devices[DeviceIndex]) throw LinuxSamplerException("There is no audio output device with index " + ToString(DeviceIndex) + "."); |
561 |
AudioOutputDevice* pDevice = devices[DeviceIndex]; |
562 |
std::map<String,DeviceCreationParameter*> parameters = pDevice->DeviceParameters(); |
563 |
if (!parameters[ParamKey]) throw LinuxSamplerException("Audio output device " + ToString(DeviceIndex) + " does not have a device parameter '" + ParamKey + "'"); |
564 |
parameters[ParamKey]->SetValue(ParamVal); |
565 |
} |
566 |
catch (LinuxSamplerException e) { |
567 |
result.Error(e); |
568 |
} |
569 |
return result.Produce(); |
570 |
} |
571 |
|
572 |
/** |
573 |
* Will be called by the parser to change the audio output channel for |
574 |
* playback on a particular sampler channel. |
575 |
*/ |
576 |
String LSCPServer::SetAudioOutputChannel(uint ChannelAudioOutputChannel, uint AudioOutputDeviceInputChannel, uint uiSamplerChannel) { |
577 |
dmsg(2,("LSCPServer: SetAudioOutputChannel(ChannelAudioOutputChannel=%d, AudioOutputDeviceInputChannel=%d, SamplerChannel=%d)\n",ChannelAudioOutputChannel,AudioOutputDeviceInputChannel,uiSamplerChannel)); |
578 |
return "ERR:0:Not implemented yet.\r\n"; //FIXME: Add support for this in resultset class? |
579 |
} |
580 |
|
581 |
String LSCPServer::SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel) { |
582 |
dmsg(2,("LSCPServer: SetMIDIInputType(String MidiInputDriver=%s, SamplerChannel=%d)\n",MidiInputDriver.c_str(),uiSamplerChannel)); |
583 |
LSCPResultSet result; |
584 |
try { |
585 |
SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel); |
586 |
if (!pSamplerChannel) throw LinuxSamplerException("Index out of bounds"); |
587 |
// FIXME: workaround until MIDI driver configuration is implemented (using a Factory class for the MIDI input drivers then, like its already done for audio output drivers) |
588 |
if (MidiInputDriver != "Alsa") throw LinuxSamplerException("Unknown MIDI input driver '" + MidiInputDriver + "'."); |
589 |
MidiInputDevice::type_t MidiInputType = MidiInputDevice::type_alsa; |
590 |
pSamplerChannel->SetMidiInputDevice(MidiInputType); |
591 |
} |
592 |
catch (LinuxSamplerException e) { |
593 |
result.Error(e); |
594 |
} |
595 |
return result.Produce(); |
596 |
} |
597 |
|
598 |
/** |
599 |
* Will be called by the parser to change the MIDI input port on which the |
600 |
* engine of a particular sampler channel should listen to. |
601 |
*/ |
602 |
String LSCPServer::SetMIDIInputPort(String MIDIInputPort, uint uiSamplerChannel) { |
603 |
dmsg(2,("LSCPServer: SetMIDIInputPort(MIDIInputPort=%s, Samplerchannel=%d)\n", MIDIInputPort.c_str(), uiSamplerChannel)); |
604 |
LSCPResultSet result; |
605 |
try { |
606 |
SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel); |
607 |
if (!pSamplerChannel) throw LinuxSamplerException("Index out of bounds"); |
608 |
if (!pSamplerChannel->GetMidiInputDevice()) throw LinuxSamplerException("No MIDI input device connected yet"); |
609 |
pSamplerChannel->GetMidiInputDevice()->SetInputPort(MIDIInputPort.c_str()); |
610 |
} |
611 |
catch (LinuxSamplerException e) { |
612 |
result.Error(e); |
613 |
} |
614 |
return result.Produce(); |
615 |
} |
616 |
|
617 |
/** |
618 |
* Will be called by the parser to change the MIDI input channel on which the |
619 |
* engine of a particular sampler channel should listen to. |
620 |
*/ |
621 |
String LSCPServer::SetMIDIInputChannel(uint MIDIChannel, uint uiSamplerChannel) { |
622 |
dmsg(2,("LSCPServer: SetMIDIInputChannel(MIDIChannel=%d, SamplerChannel=%d)\n", MIDIChannel, uiSamplerChannel)); |
623 |
LSCPResultSet result; |
624 |
try { |
625 |
SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel); |
626 |
if (!pSamplerChannel) throw LinuxSamplerException("Index out of bounds"); |
627 |
if (!pSamplerChannel->GetMidiInputDevice()) throw LinuxSamplerException("No MIDI input device connected yet"); |
628 |
MidiInputDevice::type_t oldtype = pSamplerChannel->GetMidiInputDevice()->Type(); |
629 |
pSamplerChannel->SetMidiInputDevice(oldtype, (MidiInputDevice::midi_chan_t) MIDIChannel); |
630 |
} |
631 |
catch (LinuxSamplerException e) { |
632 |
result.Error(e); |
633 |
} |
634 |
return result.Produce(); |
635 |
} |
636 |
|
637 |
String LSCPServer::SetAudioOutputDevice(uint AudioDeviceId, uint SamplerChannel) { |
638 |
LSCPResultSet result; |
639 |
try { |
640 |
throw LinuxSamplerException("Command not yet implemented"); |
641 |
} |
642 |
catch (LinuxSamplerException e) { |
643 |
result.Error(e); |
644 |
} |
645 |
return result.Produce(); |
646 |
} |
647 |
|
648 |
/** |
649 |
* Will be called by the parser to change the global volume factor on a |
650 |
* particular sampler channel. |
651 |
*/ |
652 |
String LSCPServer::SetVolume(double Volume, uint uiSamplerChannel) { |
653 |
dmsg(2,("LSCPServer: SetVolume(Volume=%f, SamplerChannel=%d)\n", Volume, uiSamplerChannel)); |
654 |
LSCPResultSet result; |
655 |
try { |
656 |
SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel); |
657 |
if (!pSamplerChannel) throw LinuxSamplerException("Index out of bounds"); |
658 |
Engine* pEngine = pSamplerChannel->GetEngine(); |
659 |
if (!pEngine) throw LinuxSamplerException("No engine loaded on channel"); |
660 |
pEngine->Volume(Volume); |
661 |
} |
662 |
catch (LinuxSamplerException e) { |
663 |
result.Error(e); |
664 |
} |
665 |
return result.Produce(); |
666 |
} |
667 |
|
668 |
/** |
669 |
* Will be called by the parser to reset a particular sampler channel. |
670 |
*/ |
671 |
String LSCPServer::ResetChannel(uint uiSamplerChannel) { |
672 |
dmsg(2,("LSCPServer: ResetChannel(SamplerChannel=%d)\n", uiSamplerChannel)); |
673 |
LSCPResultSet result; |
674 |
try { |
675 |
SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel); |
676 |
if (!pSamplerChannel) throw LinuxSamplerException("Index out of bounds"); |
677 |
Engine* pEngine = pSamplerChannel->GetEngine(); |
678 |
if (!pEngine) throw LinuxSamplerException("No engine loaded on channel"); |
679 |
pEngine->Reset(); |
680 |
} |
681 |
catch (LinuxSamplerException e) { |
682 |
result.Error(e); |
683 |
} |
684 |
return result.Produce(); |
685 |
} |
686 |
|
687 |
/** |
688 |
* Will be called by the parser to subscribe a client (frontend) on the |
689 |
* server for receiving event messages. |
690 |
*/ |
691 |
String LSCPServer::SubscribeNotification(event_t Event) { |
692 |
dmsg(2,("LSCPServer: SubscribeNotification(Event=%d)\n", Event)); |
693 |
return "ERR:0:Not implemented yet.\r\n"; |
694 |
} |
695 |
|
696 |
/** |
697 |
* Will be called by the parser to unsubscribe a client on the server |
698 |
* for not receiving further event messages. |
699 |
*/ |
700 |
String LSCPServer::UnsubscribeNotification(event_t Event) { |
701 |
dmsg(2,("LSCPServer: UnsubscribeNotification(Event=%d)\n", Event)); |
702 |
return "ERR:0:Not implemented yet.\r\n"; |
703 |
} |
704 |
|
705 |
|
706 |
// Instrument loader constructor. |
707 |
LSCPLoadInstrument::LSCPLoadInstrument(Engine* pEngine, String Filename, uint uiInstrument) |
708 |
: Thread(false, 0, -4) |
709 |
{ |
710 |
this->pEngine = pEngine; |
711 |
this->Filename = Filename; |
712 |
this->uiInstrument = uiInstrument; |
713 |
} |
714 |
|
715 |
// Instrument loader process. |
716 |
int LSCPLoadInstrument::Main() |
717 |
{ |
718 |
try { |
719 |
pEngine->LoadInstrument(Filename.c_str(), uiInstrument); |
720 |
} |
721 |
|
722 |
catch (LinuxSamplerException e) { |
723 |
e.PrintMessage(); |
724 |
} |
725 |
|
726 |
// Always re-enable the engine. |
727 |
pEngine->Enable(); |
728 |
|
729 |
// FIXME: Shoot ourselves on the foot? |
730 |
delete this; |
731 |
} |