6f49f08d66
synth could use any soft synth to get the music. This decreases the number of sequencer(4) users as well ;) ok jsg, dcoppa
150 lines
3.3 KiB
C++
150 lines
3.3 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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// Disable symbol overrides so that we can use system headers.
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#define FORBIDDEN_SYMBOL_ALLOW_ALL
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#include "common/scummsys.h"
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#if defined(USE_SNDIO)
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#include "common/error.h"
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#include "common/textconsole.h"
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#include "common/util.h"
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#include "audio/musicplugin.h"
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#include "audio/mpu401.h"
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#include <sndio.h>
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////////////////////////////////////////
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//
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// sndio MIDI driver
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//
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////////////////////////////////////////
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class MidiDriver_Sndio : public MidiDriver_MPU401 {
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public:
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MidiDriver_Sndio();
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int open();
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bool isOpen() const { return hdl != NULL; }
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void close();
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void send(uint32 b);
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void sysEx(const byte *msg, uint16 length);
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private:
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struct mio_hdl *hdl;
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};
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MidiDriver_Sndio::MidiDriver_Sndio() {
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hdl = NULL;
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}
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int MidiDriver_Sndio::open() {
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hdl = ::mio_open(NULL, MIO_OUT, 0);
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if (hdl == NULL)
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warning("Could open MIDI port (no music)");
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return 0;
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}
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void MidiDriver_Sndio::close() {
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MidiDriver_MPU401::close();
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if (!hdl)
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return;
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mio_close(hdl);
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hdl = NULL;
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}
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void MidiDriver_Sndio::send(uint32 b) {
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unsigned char buf[4];
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unsigned int len;
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if (!hdl)
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return;
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buf[0] = b & 0xff;
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buf[1] = (b >> 8) & 0xff;
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buf[2] = (b >> 16) & 0xff;
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buf[3] = (b >> 24) & 0xff;
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switch (buf[0] & 0xf0) {
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case 0xf0:
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return;
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case 0xc0:
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case 0xd0:
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len = 2;
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break;
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default:
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len = 3;
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}
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mio_write(hdl, buf, len);
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}
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void MidiDriver_Sndio::sysEx(const byte *msg, uint16 length) {
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if (!hdl)
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return;
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unsigned char buf[266];
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assert(length + 2 <= ARRAYSIZE(buf));
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// Add SysEx frame
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buf[0] = 0xF0;
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memcpy(buf + 1, msg, length);
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buf[length + 1] = 0xF7;
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mio_write(hdl, buf, length + 2);
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}
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// Plugin interface
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class SndioMusicPlugin : public MusicPluginObject {
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public:
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const char *getName() const {
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return "Sndio";
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}
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const char *getId() const {
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return "sndio";
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}
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MusicDevices getDevices() const;
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Common::Error createInstance(MidiDriver **mididriver, MidiDriver::DeviceHandle = 0) const;
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};
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MusicDevices SndioMusicPlugin::getDevices() const {
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MusicDevices devices;
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devices.push_back(MusicDevice(this, "default", MT_GM));
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return devices;
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}
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Common::Error SndioMusicPlugin::createInstance(MidiDriver **mididriver, MidiDriver::DeviceHandle) const {
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*mididriver = new MidiDriver_Sndio();
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return Common::kNoError;
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}
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//#if PLUGIN_ENABLED_DYNAMIC(Sndio)
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//REGISTER_PLUGIN_DYNAMIC(SNDIO, PLUGIN_TYPE_MUSIC, SndioMusicPlugin);
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//#else
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REGISTER_PLUGIN_STATIC(SNDIO, PLUGIN_TYPE_MUSIC, SndioMusicPlugin);
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//#endif
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#endif
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