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mididrv.cpp
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mididrv.cpp
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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "common/config-manager.h"
#include "common/error.h"
#include "common/gui_options.h"
#include "common/str.h"
#include "common/system.h"
#include "common/textconsole.h"
#include "common/translation.h"
#include "common/util.h"
#include "common/file.h"
#include "gui/message.h"
#include "audio/mididrv.h"
#include "audio/musicplugin.h"
const byte MidiDriver::_mt32ToGm[128] = {
// 0 1 2 3 4 5 6 7 8 9 A B C D E F
0, 1, 0, 2, 4, 4, 5, 3, 16, 17, 18, 16, 16, 19, 20, 21, // 0x
6, 6, 6, 7, 7, 7, 8, 112, 62, 62, 63, 63, 38, 38, 39, 39, // 1x
88, 95, 52, 98, 97, 99, 14, 54, 102, 96, 53, 102, 81, 100, 14, 80, // 2x
48, 48, 49, 45, 41, 40, 42, 42, 43, 46, 45, 24, 25, 28, 27, 104, // 3x
32, 32, 34, 33, 36, 37, 35, 35, 79, 73, 72, 72, 74, 75, 64, 65, // 4x
66, 67, 71, 71, 68, 69, 70, 22, 56, 59, 57, 57, 60, 60, 58, 61, // 5x
61, 11, 11, 98, 14, 9, 14, 13, 12, 107, 107, 77, 78, 78, 76, 76, // 6x
47, 117, 127, 118, 118, 116, 115, 119, 115, 112, 55, 124, 123, 0, 14, 117 // 7x
};
const byte MidiDriver::_gmToMt32[128] = {
// 0 1 2 3 4 5 6 7 8 9 A B C D E F
5, 1, 2, 7, 3, 5, 16, 21, 22, 101, 101, 97, 104, 103, 102, 20, // 0x
8, 9, 11, 12, 14, 15, 87, 15, 59, 60, 61, 62, 67, 44, 79, 23, // 1x
64, 67, 66, 70, 68, 69, 28, 31, 52, 54, 55, 56, 49, 51, 57, 112, // 2x
48, 50, 45, 26, 34, 35, 45, 122, 89, 90, 94, 81, 92, 95, 24, 25, // 3x
80, 78, 79, 78, 84, 85, 86, 82, 74, 72, 76, 77, 110, 107, 108, 76, // 4x
47, 44, 111, 45, 44, 34, 44, 30, 32, 33, 88, 34, 35, 35, 38, 33, // 5x
41, 36, 100, 37, 40, 34, 43, 40, 63, 21, 99, 105, 103, 86, 55, 84, // 6x
101, 103, 100, 120, 117, 113, 99, 128, 128, 128, 128, 124, 123, 128, 128, 128, // 7x
};
static const struct {
uint32 type;
const char *guio;
} GUIOMapping[] = {
{ MT_PCSPK, GUIO_MIDIPCSPK },
{ MT_CMS, GUIO_MIDICMS },
{ MT_PCJR, GUIO_MIDIPCJR },
{ MT_ADLIB, GUIO_MIDIADLIB },
{ MT_C64, GUIO_MIDIC64 },
{ MT_AMIGA, GUIO_MIDIAMIGA },
{ MT_APPLEIIGS, GUIO_MIDIAPPLEIIGS },
{ MT_TOWNS, GUIO_MIDITOWNS },
{ MT_PC98, GUIO_MIDIPC98 },
{ MT_SEGACD, GUIO_MIDISEGACD },
{ MT_GM, GUIO_MIDIGM },
{ MT_MT32, GUIO_MIDIMT32 },
{ MT_MACINTOSH, GUIO_MIDIMAC},
{ 0, nullptr },
};
Common::String MidiDriver::musicType2GUIO(uint32 musicType) {
Common::String res;
for (int i = 0; GUIOMapping[i].guio; i++) {
if (musicType == GUIOMapping[i].type || musicType == (uint32)-1)
res += GUIOMapping[i].guio;
}
return res;
}
bool MidiDriver::_forceTypeMT32 = false;
MusicType MidiDriver::getMusicType(MidiDriver::DeviceHandle handle) {
if (_forceTypeMT32)
return MT_MT32;
if (handle) {
const PluginList p = MusicMan.getPlugins();
for (PluginList::const_iterator m = p.begin(); m != p.end(); m++) {
MusicDevices i = (*m)->get<MusicPluginObject>().getDevices();
for (MusicDevices::iterator d = i.begin(); d != i.end(); d++) {
if (handle == d->getHandle())
return d->getMusicType();
}
}
}
return MT_INVALID;
}
Common::String MidiDriver::getDeviceString(DeviceHandle handle, DeviceStringType type) {
if (handle) {
const PluginList p = MusicMan.getPlugins();
for (PluginList::const_iterator m = p.begin(); m != p.end(); m++) {
MusicDevices i = (*m)->get<MusicPluginObject>().getDevices();
for (MusicDevices::iterator d = i.begin(); d != i.end(); d++) {
if (handle == d->getHandle()) {
if (type == kDriverName)
return d->getMusicDriverName();
else if (type == kDriverId)
return d->getMusicDriverId();
else if (type == kDeviceName)
return d->getCompleteName();
else if (type == kDeviceId)
return d->getCompleteId();
else
return Common::String("auto");
}
}
}
}
return Common::String("auto");
}
MidiDriver::DeviceHandle MidiDriver::detectDevice(int flags) {
// Query the selected music device (defaults to MT_AUTO device).
Common::String selDevStr = ConfMan.hasKey("music_driver") ? ConfMan.get("music_driver") : Common::String("auto");
if ((flags & MDT_PREFER_FLUID) && selDevStr == "auto") {
selDevStr = "fluidsynth";
}
DeviceHandle hdl = getDeviceHandle(selDevStr.empty() ? Common::String("auto") : selDevStr);
DeviceHandle reslt = 0;
_forceTypeMT32 = false;
// Check whether the selected music driver is compatible with the
// given flags.
switch (getMusicType(hdl)) {
case MT_PCSPK:
if (flags & MDT_PCSPK)
reslt = hdl;
break;
case MT_PCJR:
if (flags & MDT_PCJR)
reslt = hdl;
break;
case MT_CMS:
if (flags & MDT_CMS)
reslt = hdl;
break;
case MT_ADLIB:
if (flags & MDT_ADLIB)
reslt = hdl;
break;
case MT_C64:
if (flags & MDT_C64)
reslt = hdl;
break;
case MT_AMIGA:
if (flags & MDT_AMIGA)
reslt = hdl;
break;
case MT_APPLEIIGS:
if (flags & MDT_APPLEIIGS)
reslt = hdl;
break;
case MT_TOWNS:
if (flags & MDT_TOWNS)
reslt = hdl;
break;
case MT_PC98:
if (flags & MDT_PC98)
reslt = hdl;
break;
case MT_MACINTOSH:
if (flags & MDT_MACINTOSH)
reslt = hdl;
break;
case MT_SEGACD:
if (flags & MDT_SEGACD)
reslt = hdl;
break;
case MT_GM:
case MT_GS:
case MT_MT32:
if (flags & MDT_MIDI)
reslt = hdl;
break;
case MT_NULL:
reslt = hdl;
break;
default:
break;
}
Common::String failedDevStr;
if (getMusicType(hdl) == MT_INVALID) {
// If the expressly selected driver or device cannot be found (no longer compiled in, turned off, etc.)
// we display a warning and continue.
failedDevStr = selDevStr;
Common::U32String warningMsg = Common::U32String::format(
_("The selected audio device '%s' was not found (e.g. might be turned off or disconnected)."), failedDevStr.c_str())
+ Common::U32String(" ") + _("Attempting to fall back to the next available device...");
GUI::MessageDialog dialog(warningMsg);
dialog.runModal();
}
MusicType tp = getMusicType(reslt);
if (tp != MT_INVALID && tp != MT_AUTO) {
if (checkDevice(reslt)) {
return reslt;
} else {
// If the expressly selected device cannot be used we display a warning and continue.
failedDevStr = getDeviceString(hdl, MidiDriver::kDeviceName);
Common::U32String warningMsg = Common::U32String::format(
_("The selected audio device '%s' cannot be used. See log file for more information."), failedDevStr.c_str())
+ Common::U32String(" ") + _("Attempting to fall back to the next available device...");
GUI::MessageDialog dialog(warningMsg);
dialog.runModal();
}
}
// If the selected driver did not match the flags setting,
// we try to determine a suitable and "optimal" music driver.
const PluginList p = MusicMan.getPlugins();
// If only MDT_MIDI but not MDT_PREFER_MT32 or MDT_PREFER_GM is set we prefer the other devices (which will always be
// detected since they are hard coded and cannot be disabled).
bool skipMidi = !(flags & (MDT_PREFER_GM | MDT_PREFER_MT32));
while (flags != MDT_NONE) {
if ((flags & MDT_MIDI) && !skipMidi) {
// If a preferred MT32 or GM device has been selected that device gets returned if available.
Common::String devStr;
if (flags & MDT_PREFER_MT32)
devStr = ConfMan.hasKey("mt32_device") ? ConfMan.get("mt32_device") : Common::String("null");
else if (flags & MDT_PREFER_GM)
devStr = ConfMan.get("gm_device");
if (devStr.empty())
devStr = "auto";
hdl = getDeviceHandle(devStr);
const MusicType type = getMusicType(hdl);
// If we have a "Don't use GM/MT-32" setting we skip this part and jump
// to AdLib, PC Speaker etc. detection right away.
if (type != MT_NULL) {
if (type == MT_INVALID) {
// If the preferred (expressly requested) selected driver or device cannot be found (no longer compiled in, turned off, etc.)
// we display a warning and continue. Don't warn about the missing device if we did already (this becomes relevant if the
// missing device is selected as preferred device and also as GM or MT-32 device).
if (failedDevStr != devStr) {
Common::U32String warningMsg = Common::U32String::format(
_("The preferred audio device '%s' was not found (e.g. might be turned off or disconnected)."), devStr.c_str())
+ Common::U32String(" ") + _("Attempting to fall back to the next available device...");
GUI::MessageDialog dialog(warningMsg);
dialog.runModal();
}
} else if (type != MT_AUTO) {
if (checkDevice(hdl)) {
if (flags & MDT_PREFER_MT32)
// If we have a preferred MT32 device we disable the gm/mt32 mapping (more about this in mididrv.h).
_forceTypeMT32 = true;
return hdl;
} else {
// If the preferred (expressly requested) device cannot be used we display a warning and continue.
// Don't warn about the failing device if we did already (this becomes relevant if the failing
// device is selected as preferred device and also as GM or MT-32 device).
if (failedDevStr != getDeviceString(hdl, MidiDriver::kDeviceName)) {
Common::U32String warningMsg = Common::U32String::format(
_("The preferred audio device '%s' cannot be used. See log file for more information."), getDeviceString(hdl, MidiDriver::kDeviceName).c_str())
+ Common::U32String(" ") + _("Attempting to fall back to the next available device...");
GUI::MessageDialog dialog(warningMsg);
dialog.runModal();
}
}
}
// If no specific device is selected (neither in the scummvm nor in the game domain)
// and there is no preferred MT32 or GM device selected either or if the detected device is unavailable we arrive here.
// If MT32 is preferred we try for the first available device with music type 'MT_MT32' (usually the mt32 emulator).
if (flags & MDT_PREFER_MT32) {
for (PluginList::const_iterator m = p.begin(); m != p.end(); ++m) {
MusicDevices i = (*m)->get<MusicPluginObject>().getDevices();
for (MusicDevices::iterator d = i.begin(); d != i.end(); ++d) {
if (d->getMusicType() == MT_MT32) {
hdl = d->getHandle();
if (checkDevice(hdl))
return hdl;
}
}
}
}
// Now we default to the first available device with music type 'MT_GM' if not
// MT-32 is preferred or if MT-32 is preferred but all other devices have failed.
if (!(flags & MDT_PREFER_MT32) || flags == (MDT_PREFER_MT32 | MDT_MIDI)) {
for (PluginList::const_iterator m = p.begin(); m != p.end(); ++m) {
MusicDevices i = (*m)->get<MusicPluginObject>().getDevices();
for (MusicDevices::iterator d = i.begin(); d != i.end(); ++d) {
if (d->getMusicType() == MT_GM || d->getMusicType() == MT_GS) {
hdl = d->getHandle();
if (checkDevice(hdl))
return hdl;
}
}
}
// Detection flags get removed after final detection attempt to avoid further attempts.
flags &= ~(MDT_MIDI | MDT_PREFER_GM | MDT_PREFER_MT32);
}
}
}
// The order in this list is important, since this is the order of preference
// (e.g. MT_ADLIB is checked before MT_PCJR and MT_PCSPK for a good reason).
// Detection flags get removed after detection attempt to avoid further attempts.
if (flags & MDT_TOWNS) {
tp = MT_TOWNS;
flags &= ~MDT_TOWNS;
} else if (flags & MDT_PC98) {
tp = MT_PC98;
flags &= ~MDT_PC98;
} else if (flags & MDT_SEGACD) {
tp = MT_SEGACD;
flags &= ~MDT_SEGACD;
} else if (flags & MDT_ADLIB) {
tp = MT_ADLIB;
flags &= ~MDT_ADLIB;
} else if (flags & MDT_PCJR) {
tp = MT_PCJR;
flags &= ~MDT_PCJR;
} else if (flags & MDT_PCSPK) {
tp = MT_PCSPK;
flags &= ~MDT_PCSPK;
} else if (flags & MDT_C64) {
tp = MT_C64;
flags &= ~MDT_C64;
} else if (flags & MDT_AMIGA) {
tp = MT_AMIGA;
flags &= ~MDT_AMIGA;
} else if (flags & MDT_APPLEIIGS) {
tp = MT_APPLEIIGS;
flags &= ~MDT_APPLEIIGS;
} else if (flags & MDT_MACINTOSH) {
tp = MT_MACINTOSH;
flags &= ~MDT_MACINTOSH;
} else if (flags & MDT_MIDI) {
// If we haven't tried to find a MIDI device yet we do this now.
skipMidi = false;
continue;
} else if (flags) {
// Invalid flags. Set them to MDT_NONE to leave detection loop.
flags = MDT_NONE;
tp = MT_AUTO;
}
for (PluginList::const_iterator m = p.begin(); m != p.end(); ++m) {
MusicDevices i = (*m)->get<MusicPluginObject>().getDevices();
for (MusicDevices::iterator d = i.begin(); d != i.end(); ++d) {
if (d->getMusicType() == tp) {
hdl = d->getHandle();
if (checkDevice(hdl))
return hdl;
}
}
}
}
return 0;
}
MidiDriver *MidiDriver::createMidi(MidiDriver::DeviceHandle handle) {
MidiDriver *driver = nullptr;
const PluginList p = MusicMan.getPlugins();
for (PluginList::const_iterator m = p.begin(); m != p.end(); m++) {
const MusicPluginObject &musicPlugin = (*m)->get<MusicPluginObject>();
if (getDeviceString(handle, MidiDriver::kDriverId).equals(musicPlugin.getId()))
musicPlugin.createInstance(&driver, handle);
}
return driver;
}
bool MidiDriver::checkDevice(MidiDriver::DeviceHandle handle) {
const PluginList p = MusicMan.getPlugins();
for (PluginList::const_iterator m = p.begin(); m != p.end(); m++) {
const MusicPluginObject &musicPlugin = (*m)->get<MusicPluginObject>();
if (getDeviceString(handle, MidiDriver::kDriverId).equals(musicPlugin.getId()))
return musicPlugin.checkDevice(handle);
}
return false;
}
MidiDriver::DeviceHandle MidiDriver::getDeviceHandle(const Common::String &identifier) {
const PluginList p = MusicMan.getPlugins();
if (p.begin() == p.end())
error("MidiDriver::getDeviceHandle: Music plugins must be loaded prior to calling this method");
for (PluginList::const_iterator m = p.begin(); m != p.end(); m++) {
MusicDevices i = (*m)->get<MusicPluginObject>().getDevices();
for (MusicDevices::iterator d = i.begin(); d != i.end(); d++) {
// The music driver id isn't unique, but it will match
// driver's first device. This is useful when selecting
// the driver from the command line.
if (identifier.equals(d->getMusicDriverId()) || identifier.equals(d->getCompleteId()) || identifier.equals(d->getCompleteName())) {
return d->getHandle();
}
}
}
return 0;
}
void MidiDriver::sendMT32Reset() {
static const byte resetSysEx[] = { 0x41, 0x10, 0x16, 0x12, 0x7F, 0x00, 0x00, 0x01, 0x00 };
sysEx(resetSysEx, sizeof(resetSysEx));
g_system->delayMillis(100);
}
void MidiDriver::sendGMReset() {
static const byte gmResetSysEx[] = { 0x7E, 0x7F, 0x09, 0x01 };
sysEx(gmResetSysEx, sizeof(gmResetSysEx));
g_system->delayMillis(100);
// Send a Roland GS reset. This will be ignored by pure GM units,
// but will enable certain GS features on units that support them.
// This is especially useful for some Yamaha units, which are put
// in XG mode after a GM reset, which has some compatibility
// problems with GS features like instrument banks and
// GS-exclusive drum sounds.
static const byte gsResetSysEx[] = { 0x41, 0x10, 0x42, 0x12, 0x40, 0x00, 0x7F, 0x00, 0x41 };
sysEx(gsResetSysEx, sizeof(gsResetSysEx));
g_system->delayMillis(100);
}
void MidiDriver_BASE::midiDumpInit() {
g_system->displayMessageOnOSD(_("Starting MIDI dump"));
_midiDumpCache.clear();
_prevMillis = g_system->getMillis(true);
}
int MidiDriver_BASE::midiDumpVarLength(const uint32 &delta) {
// MIDI file format has a very strange representation - "Variable Length Values"
// we're using only *7* bits of each byte for the data
// the MSB bit is 1 for all bytes, except the last one
if (delta <= 127) {
// "Variable Length Values" of 1 byte
debugN("0x%02x", delta);
_midiDumpCache.push_back(delta);
return 1;
} else {
// "Variable Length Values" of 2 bytes
// theoretically, "Variable Length Values" can have more than 2 bytes, but it won't happen in our use case
byte msb = delta / 128;
msb |= 0x80;
byte lsb = delta % 128;
debugN("0x%02x,0x%02x", msb, lsb);
_midiDumpCache.push_back(msb);
_midiDumpCache.push_back(lsb);
return 2;
}
}
void MidiDriver_BASE::midiDumpDelta() {
uint32 millis = g_system->getMillis(true);
uint32 delta = millis - _prevMillis;
_prevMillis = millis;
debugN("MIDI : delta(");
int varLength = midiDumpVarLength(delta);
if (varLength == 1)
debugN("),\t ");
else
debugN("), ");
}
void MidiDriver_BASE::midiDumpDo(uint32 b) {
const byte status = b & 0xff;
const byte firstOp = (b >> 8) & 0xff;
const byte secondOp = (b >> 16) & 0xff;
midiDumpDelta();
debugN("message(0x%02x 0x%02x", status, firstOp);
_midiDumpCache.push_back(status);
_midiDumpCache.push_back(firstOp);
if (status < 0xc0 || status > 0xdf) {
_midiDumpCache.push_back(secondOp);
debug(" 0x%02x)", secondOp);
} else
debug(")");
}
void MidiDriver_BASE::midiDumpSysEx(const byte *msg, uint16 length) {
midiDumpDelta();
_midiDumpCache.push_back(0xf0);
debugN("0xf0, length(");
midiDumpVarLength(length + 1); // +1 because of closing 0xf7
debugN("), sysex[");
for (int i = 0; i < length; i++) {
debugN("0x%x, ", msg[i]);
_midiDumpCache.push_back(msg[i]);
}
debug("0xf7]\t\t");
_midiDumpCache.push_back(0xf7);
}
void MidiDriver_BASE::midiDumpFinish() {
Common::DumpFile midiDumpFile;
midiDumpFile.open("dump.mid");
midiDumpFile.write("MThd\0\0\0\x6\0\x1\0\x2", 12); // standard MIDI file header, with two tracks
midiDumpFile.write("\x1\xf4", 2); // division - 500 ticks per beat, i.e. a quarter note. Each tick is 1ms
midiDumpFile.write("MTrk", 4); // start of first track - doesn't contain real data, it's just common practice to use two tracks
midiDumpFile.writeUint32BE(4); // first track size
midiDumpFile.write("\0\xff\x2f\0", 4); // meta event - end of track
midiDumpFile.write("MTrk", 4); // start of second track
midiDumpFile.writeUint32BE(_midiDumpCache.size() + 4); // track size (+4 because of the 'end of track' event)
midiDumpFile.write(_midiDumpCache.data(), _midiDumpCache.size());
midiDumpFile.write("\0\xff\x2f\0", 4); // meta event - end of track
midiDumpFile.finalize();
midiDumpFile.close();
const char msg[] = "Ending MIDI dump, created 'dump.mid'";
g_system->displayMessageOnOSD(_(msg)); //TODO: why it doesn't appear?
debug("%s", msg);
}
MidiDriver_BASE::MidiDriver_BASE() {
_midiDumpEnable = ConfMan.getBool("dump_midi");
if (_midiDumpEnable) {
midiDumpInit();
}
}
MidiDriver_BASE::~MidiDriver_BASE() {
if (_midiDumpEnable && !_midiDumpCache.empty()) {
midiDumpFinish();
}
}
void MidiDriver_BASE::send(byte status, byte firstOp, byte secondOp) {
send(status | ((uint32)firstOp << 8) | ((uint32)secondOp << 16));
}
void MidiDriver_BASE::send(int8 source, byte status, byte firstOp, byte secondOp) {
send(source, status | ((uint32)firstOp << 8) | ((uint32)secondOp << 16));
}
void MidiDriver_BASE::stopAllNotes(bool stopSustainedNotes) {
for (int i = 0; i < 16; ++i) {
send(0xB0 | i, MIDI_CONTROLLER_ALL_NOTES_OFF, 0);
if (stopSustainedNotes)
send(0xB0 | i, MIDI_CONTROLLER_SUSTAIN, 0); // Also send a sustain off event (bug #5524)
}
}
void MidiDriver::midiDriverCommonSend(uint32 b) {
if (_midiDumpEnable) {
midiDumpDo(b);
}
}
void MidiDriver::midiDriverCommonSysEx(const byte *msg, uint16 length) {
if (_midiDumpEnable) {
midiDumpSysEx(msg, length);
}
}