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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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schoenebeck |
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* Copyright (C) 2005 - 2008 Christian Schoenebeck * |
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senoner |
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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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#include "MidiInputDeviceMme.h" |
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#include "MidiInputDeviceFactory.h" |
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namespace LinuxSampler { |
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void CALLBACK MidiInputDeviceMme::MidiInputPortMme::win32_midiin_callback(HMIDIIN handle, UINT uMsg, DWORD dwInstance, DWORD dwParam1, DWORD dwParam2) { |
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MidiInputDeviceMme::MidiInputPortMme* p = (MidiInputDeviceMme::MidiInputPortMme*)dwInstance; |
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p->MmeCallbackDispatcher(handle, uMsg, dwParam1, dwParam2); |
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} |
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senoner |
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// *************** ParameterPorts *************** |
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// * |
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senoner |
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senoner |
1500 |
// *************** ParameterPorts *************** |
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// * |
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MidiInputDeviceMme::ParameterPorts::ParameterPorts() : DeviceCreationParameterInt() { |
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InitWithDefault(); |
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} |
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MidiInputDeviceMme::ParameterPorts::ParameterPorts(String val) : DeviceCreationParameterInt(val) { |
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} |
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String MidiInputDeviceMme::ParameterPorts::Description() { |
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return "Number of ports"; |
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} |
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bool MidiInputDeviceMme::ParameterPorts::Fix() { |
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return true; |
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} |
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bool MidiInputDeviceMme::ParameterPorts::Mandatory() { |
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return false; |
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} |
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std::map<String,DeviceCreationParameter*> MidiInputDeviceMme::ParameterPorts::DependsAsParameters() { |
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return std::map<String,DeviceCreationParameter*>(); |
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} |
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// the MME driver supports only one port so to manage multiple MME MIDI ports the user just creates several MME drivers and connects each one to the desired MME port |
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optional<int> MidiInputDeviceMme::ParameterPorts::DefaultAsInt(std::map<String,String> Parameters) { |
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return 1; |
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} |
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optional<int> MidiInputDeviceMme::ParameterPorts::RangeMinAsInt(std::map<String,String> Parameters) { |
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return 1; |
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} |
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optional<int> MidiInputDeviceMme::ParameterPorts::RangeMaxAsInt(std::map<String,String> Parameters) { |
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return 1; |
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} |
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std::vector<int> MidiInputDeviceMme::ParameterPorts::PossibilitiesAsInt(std::map<String,String> Parameters) { |
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return std::vector<int>(); |
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} |
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void MidiInputDeviceMme::ParameterPorts::OnSetValue(int i) throw (Exception) { |
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if (i != 1) throw Exception("MME only supports one MIDI port per device"); |
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} |
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String MidiInputDeviceMme::ParameterPorts::Name() { |
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return "PORTS"; |
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} |
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// the MME driver supports only one port so to manage multiple MME MIDI ports the user just creates several MME drivers and connects each one to the desired MME port |
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senoner |
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// *************** ParameterPort *************** |
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// * |
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MidiInputDeviceMme::MidiInputPortMme::ParameterPort::ParameterPort(MidiInputPortMme* pPort) |
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: DeviceRuntimeParameterString("") { |
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this->pPort = pPort; |
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} |
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String MidiInputDeviceMme::MidiInputPortMme::ParameterPort::Description() { |
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return "MME Destination MIDI Port"; |
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} |
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bool MidiInputDeviceMme::MidiInputPortMme::ParameterPort::Fix() { |
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return false; |
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} |
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std::vector<String> MidiInputDeviceMme::MidiInputPortMme::ParameterPort::PossibilitiesAsString() { |
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// returns a list of the available MME Input MIDI ports you can connect to |
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std::vector<String> ports; |
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MIDIINCAPS midiincaps; |
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int NumDevs = midiInGetNumDevs(); |
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for(int i=0;i<NumDevs;i++) { |
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int res = midiInGetDevCaps(i, &midiincaps, sizeof(MIDIINCAPS)); |
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if(res == MMSYSERR_NOERROR) { |
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ports.push_back( (String)midiincaps.szPname); |
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} |
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} |
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return ports; |
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} |
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void MidiInputDeviceMme::MidiInputPortMme::ParameterPort::OnSetValue(String s) { |
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pPort->ConnectToMmeMidiSource(s.c_str()); |
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} |
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// *************** MidiInputPortMme *************** |
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// * |
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MidiInputDeviceMme::MidiInputPortMme::MidiInputPortMme(MidiInputDeviceMme* pDevice) throw (MidiInputException) |
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: MidiInputPort(pDevice, ((DeviceCreationParameterInt*)pDevice->Parameters["PORTS"])->ValueAsInt() - 1) |
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{ |
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this->pDevice = pDevice; |
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MidiInOpened = false; |
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SysExBuf = new char[MME_MAX_SYSEX_BUF_SIZE]; |
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TmpSysExBuf = new char[MME_MAX_SYSEX_BUF_SIZE]; |
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ExitFlag = false; |
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FirstSysExBlock = true; |
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SysExMsgComplete = false; |
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dmsg(3,("created MME port %d\n", this->portNumber)); |
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Parameters["PORT"] = new ParameterPort(this); |
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} |
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MidiInputDeviceMme::MidiInputPortMme::~MidiInputPortMme() { |
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delete TmpSysExBuf; |
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delete SysExBuf; |
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} |
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/*** |
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* Closes the MME MIDI Input port in a safe way |
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*/ |
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void MidiInputDeviceMme::MidiInputPortMme::CloseMmeMidiPort(void) { |
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int res; |
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if (MidiInOpened == true) { |
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ExitFlag = true; |
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midiInReset(MidiInHandle); |
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while ((res = midiInClose(MidiInHandle)) == MIDIERR_STILLPLAYING) Sleep(100); |
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midiInUnprepareHeader(MidiInHandle, &midiHdr, sizeof(MIDIHDR)); |
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MidiInOpened = false; |
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} |
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} |
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/** |
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* Connects the port with the MME Midi Input port |
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* |
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* @param Name of the MME Midi Input port e.g. "MAUDIO MIDI IN" |
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* @throws MidiInputException if connection cannot be established |
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*/ |
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void MidiInputDeviceMme::MidiInputPortMme::ConnectToMmeMidiSource(const char* MidiSource) { |
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// close the old MIDI Input port if it was already opened |
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CloseMmeMidiPort(); |
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MIDIINCAPS midiincaps; |
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int NumDevs = midiInGetNumDevs(); |
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int FoundMidiInDeviceId = -1; |
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for(int i=0;i<NumDevs;i++) { |
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int res = midiInGetDevCaps(i, &midiincaps, sizeof(MIDIINCAPS)); |
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if(res == MMSYSERR_NOERROR) { |
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if(!strcmp(midiincaps.szPname, MidiSource)) { |
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FoundMidiInDeviceId = i; |
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break; |
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} |
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} |
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} |
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if(FoundMidiInDeviceId == -1) throw MidiInputException("MIDI port connect failed"); |
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int res; |
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res = midiInOpen(&MidiInHandle, FoundMidiInDeviceId, (DWORD)win32_midiin_callback, (DWORD)this, CALLBACK_FUNCTION); |
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if(res != MMSYSERR_NOERROR) { |
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throw MidiInputException("MIDI port connect failed. midiInOpen error"); |
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} |
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MidiInOpened = true; |
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/* Store pointer to our input buffer for System Exclusive messages in MIDIHDR */ |
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midiHdr.lpData = &TmpSysExBuf[0]; |
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/* Store its size in the MIDIHDR */ |
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midiHdr.dwBufferLength = MME_MAX_SYSEX_BUF_SIZE; |
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/* Flags must be set to 0 */ |
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midiHdr.dwFlags = 0; |
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/* Prepare the buffer and MIDIHDR */ |
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res = midiInPrepareHeader(MidiInHandle, &midiHdr, sizeof(MIDIHDR)); |
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if(res != MMSYSERR_NOERROR) { |
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CloseMmeMidiPort(); |
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throw MidiInputException("MIDI port connect failed. midiInPrepareHeader error"); |
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} |
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/* Queue MIDI input buffer */ |
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res = midiInAddBuffer(MidiInHandle, &midiHdr, sizeof(MIDIHDR)); |
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if(res != MMSYSERR_NOERROR) { |
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CloseMmeMidiPort(); |
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throw MidiInputException("MIDI port connect failed. midiInAddBuffer error"); |
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} |
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res = midiInStart(MidiInHandle); |
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if(res != MMSYSERR_NOERROR) { |
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CloseMmeMidiPort(); |
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throw MidiInputException("MIDI port connect failed, midiInStart failed."); |
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} |
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} |
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void MidiInputDeviceMme::MidiInputPortMme::MmeCallbackDispatcher(HMIDIIN handle, UINT uMsg, DWORD dwParam1, DWORD dwParam2) { |
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unsigned char *DataPtr; // pointer to SysEx data |
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unsigned char *data; // pointer to standard MIDI messages which are not sysex data(max 3 bytes long) |
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data = (unsigned char *)&dwParam1; |
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switch(uMsg) { |
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case MIM_DATA: |
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switch(data[0] & 0xF0) { // status byte |
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case 0xB0: |
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if (data[1] == 0) |
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DispatchBankSelectMsb(data[2], data[0] & 0x0F); |
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else if (data[1] == 32) |
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DispatchBankSelectLsb(data[2], data[0] & 0x0F); |
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DispatchControlChange(data[1], data[2], data[0] & 0x0F); |
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break; |
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case 0xD0: |
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DispatchControlChange(128, data[1], data[0] & 0x0F); |
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break; |
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case 0xE0: |
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DispatchPitchbend(data[1], data[0] & 0x0F); |
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break; |
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case 0x90: |
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if (data[1] < 0x80) { |
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if (data[2] > 0){ |
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DispatchNoteOn(data[1], data[2], data[0] & 0x0F); |
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}else{ |
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DispatchNoteOff(data[1], data[2], data[0] & 0x0F); |
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} |
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} |
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break; |
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case 0x80: |
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if (data[1] < 0x80) { |
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DispatchNoteOff(data[1], data[2], data[0] & 0x0F); |
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} |
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break; |
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case 0xC0: |
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if (data[1] < 0x80) { |
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DispatchProgramChange(data[1], data[0] & 0x0F); |
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} |
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break; |
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} |
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break; |
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case MIM_LONGDATA: |
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if(!ExitFlag) { |
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LPMIDIHDR lpMIDIHeader = (LPMIDIHDR)dwParam1; |
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DataPtr = (unsigned char *)(lpMIDIHeader->lpData); |
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if(lpMIDIHeader->dwBytesRecorded == 0) break; |
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if(FirstSysExBlock) { |
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SysExOffset = 0; |
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FirstSysExBlock = false; |
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} |
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if( DataPtr[lpMIDIHeader->dwBytesRecorded - 1] == 0xF7) { |
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SysExMsgComplete = true; |
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FirstSysExBlock = true; |
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} |
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else { |
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SysExMsgComplete = false; |
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} |
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if(SysExOffset + lpMIDIHeader->dwBytesRecorded <= MME_MAX_SYSEX_BUF_SIZE) { |
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memcpy(&SysExBuf[SysExOffset], DataPtr, lpMIDIHeader->dwBytesRecorded); |
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SysExOffset += lpMIDIHeader->dwBytesRecorded; |
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} |
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if(SysExMsgComplete) DispatchSysex(SysExBuf, SysExOffset); |
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/* Queue the MIDIHDR for more input, only if ExitFlag was not set otherwise we risk an infinite loop |
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because when we call midiInReset() below, Windows will send a final MIM_LONGDATA message to that callback. |
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*/ |
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midiInAddBuffer(MidiInHandle, lpMIDIHeader, sizeof(MIDIHDR)); |
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} |
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break; |
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} |
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} |
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// *************** MidiInputDeviceMme *************** |
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// * |
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MidiInputDeviceMme::MidiInputDeviceMme(std::map<String,DeviceCreationParameter*> Parameters, void* pSampler) : MidiInputDevice(Parameters, pSampler) { |
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AcquirePorts(((DeviceCreationParameterInt*)Parameters["PORTS"])->ValueAsInt()); |
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if (((DeviceCreationParameterBool*)Parameters["ACTIVE"])->ValueAsBool()) { |
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Listen(); |
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} |
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} |
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MidiInputDeviceMme::~MidiInputDeviceMme() { |
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// free the midi ports (we can't let the base class do this, |
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// as the MidiInputPortMme destructors need access to |
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// hAlsaSeq) |
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for (std::map<int,MidiInputPort*>::iterator iter = Ports.begin(); iter != Ports.end() ; iter++) { |
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delete static_cast<MidiInputPortMme*>(iter->second); |
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} |
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Ports.clear(); |
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} |
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MidiInputDeviceMme::MidiInputPortMme* MidiInputDeviceMme::CreateMidiPort() { |
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return new MidiInputPortMme(this); |
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} |
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String MidiInputDeviceMme::Name() { |
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return "MME"; |
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} |
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String MidiInputDeviceMme::Driver() { |
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return Name(); |
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} |
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void MidiInputDeviceMme::Listen() { |
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//TODO: ... |
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} |
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void MidiInputDeviceMme::StopListen() { |
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//TODO: ... |
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} |
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String MidiInputDeviceMme::Description() { |
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return "MultiMedia Extensions"; |
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} |
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String MidiInputDeviceMme::Version() { |
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schoenebeck |
1715 |
String s = "$Revision: 1.3 $"; |
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senoner |
1485 |
return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword |
379 |
|
|
} |
380 |
|
|
|
381 |
|
|
|
382 |
|
|
|
383 |
|
|
} // namespace LinuxSampler |