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116 lines
3.4 KiB
116 lines
3.4 KiB
//
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// udpmididevice.cpp
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//
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// MiniDexed - Dexed FM synthesizer for bare metal Raspberry Pi
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// Copyright (C) 2022 The MiniDexed Team
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//
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// Original author of this class:
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// R. Stange <rsta2@o2online.de>
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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 3 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, see <http://www.gnu.org/licenses/>.
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//
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#include <circle/logger.h>
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#include <cstring>
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#include "udpmididevice.h"
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#include <assert.h>
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#include <circle/net/netsubsystem.h>
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#include <circle/net/in.h>
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#define VIRTUALCABLE 24
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LOGMODULE("udpmididevice");
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CUDPMIDIDevice::CUDPMIDIDevice (CMiniDexed *pSynthesizer,
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CConfig *pConfig, CUserInterface *pUI)
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: CMIDIDevice (pSynthesizer, pConfig, pUI),
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m_pSynthesizer (pSynthesizer),
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m_pConfig (pConfig)
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{
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AddDevice ("udp");
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}
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CUDPMIDIDevice::~CUDPMIDIDevice (void)
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{
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//m_pSynthesizer = 0;
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}
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boolean CUDPMIDIDevice::Initialize (void)
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{
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m_pAppleMIDIParticipant = new CAppleMIDIParticipant(&m_Random, this, m_pConfig->GetNetworkHostname());
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if (!m_pAppleMIDIParticipant->Initialize())
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{
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LOGERR("Failed to init RTP listener");
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delete m_pAppleMIDIParticipant;
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m_pAppleMIDIParticipant = nullptr;
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}
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else
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LOGNOTE("RTP Listener initialized");
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m_pUDPMIDIReceiver = new CUDPMIDIReceiver(this);
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if (!m_pUDPMIDIReceiver->Initialize())
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{
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LOGERR("Failed to init UDP MIDI receiver");
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delete m_pUDPMIDIReceiver;
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m_pUDPMIDIReceiver = nullptr;
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}
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else
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LOGNOTE("UDP MIDI receiver initialized");
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// UDP MIDI send socket setup (default: broadcast 255.255.255.255:1999)
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CNetSubSystem* pNet = CNetSubSystem::Get();
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m_pUDPSendSocket = new CSocket(pNet, IPPROTO_UDP);
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m_UDPDestAddress.Set(0xFFFFFFFF); // Broadcast by default
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m_UDPDestPort = 1999;
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return true;
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}
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// Methods to handle MIDI events
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void CUDPMIDIDevice::OnAppleMIDIDataReceived(const u8* pData, size_t nSize)
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{
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MIDIMessageHandler(pData, nSize, VIRTUALCABLE);
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}
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void CUDPMIDIDevice::OnAppleMIDIConnect(const CIPAddress* pIPAddress, const char* pName)
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{
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LOGNOTE("RTP Device connected");
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}
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void CUDPMIDIDevice::OnAppleMIDIDisconnect(const CIPAddress* pIPAddress, const char* pName)
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{
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LOGNOTE("RTP Device disconnected");
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}
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void CUDPMIDIDevice::OnUDPMIDIDataReceived(const u8* pData, size_t nSize)
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{
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MIDIMessageHandler(pData, nSize, VIRTUALCABLE);
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}
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void CUDPMIDIDevice::Send(const u8 *pMessage, size_t nLength, unsigned nCable)
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{
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bool sentRTP = false;
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if (m_pAppleMIDIParticipant && m_pAppleMIDIParticipant->SendMIDIToHost(pMessage, nLength)) {
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sentRTP = true;
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LOGNOTE("Sent %zu bytes to RTP-MIDI host", nLength);
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}
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if (!sentRTP && m_pUDPSendSocket) {
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int res = m_pUDPSendSocket->SendTo(pMessage, nLength, 0, m_UDPDestAddress, m_UDPDestPort);
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if (res < 0) {
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LOGERR("Failed to send %zu bytes to UDP MIDI host", nLength);
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} else {
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LOGNOTE("Sent %zu bytes to UDP MIDI host (broadcast)", nLength);
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}
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}
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} |