aboutsummaryrefslogtreecommitdiff
path: root/sky/music/mt32music.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'sky/music/mt32music.cpp')
-rw-r--r--sky/music/mt32music.cpp169
1 files changed, 0 insertions, 169 deletions
diff --git a/sky/music/mt32music.cpp b/sky/music/mt32music.cpp
deleted file mode 100644
index a6bcbf4d05..0000000000
--- a/sky/music/mt32music.cpp
+++ /dev/null
@@ -1,169 +0,0 @@
-/* ScummVM - Scumm Interpreter
- * Copyright (C) 2003-2006 The ScummVM project
- *
- * 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 2
- * 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, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * $URL$
- * $Id$
- *
- */
-
-#include "sky/music/mt32music.h"
-#include "sky/music/gmchannel.h"
-#include "common/util.h"
-#include "common/system.h"
-#include "sound/mididrv.h"
-
-namespace Sky {
-
-void MT32Music::passTimerFunc(void *param) {
-
- ((MT32Music*)param)->timerCall();
-}
-
-MT32Music::MT32Music(MidiDriver *pMidiDrv, Disk *pDisk)
- : MusicBase(pDisk) {
-
- _driverFileBase = 60200;
- _midiDrv = pMidiDrv;
- int midiRes = _midiDrv->open();
- if (midiRes != 0)
- error("Can't open midi device. Errorcode: %d",midiRes);
- _timerCount = 0;
- _midiDrv->setTimerCallback(this, passTimerFunc);
-}
-
-MT32Music::~MT32Music(void) {
-
- _midiDrv->close();
- _midiDrv->setTimerCallback(NULL, NULL);
- delete _midiDrv;
-}
-
-void MT32Music::timerCall(void) {
- _timerCount += _midiDrv->getBaseTempo();
- if (_timerCount > (1000000 / 50)) {
- // call pollMusic() 50 times per second
- _timerCount -= 1000000 / 50;
- if (_musicData != NULL)
- pollMusic();
- }
-}
-
-void MT32Music::setVolume(uint8 volume) {
- uint8 sysEx[10] = "\x41\x10\x16\x12\x10\x00\x16\x00\x00";
- _musicVolume = volume;
- sysEx[7] = (volume > 100) ? 100 : volume;
- sysEx[8] = 0x00;
- for (uint8 cnt = 4; cnt < 8; cnt++)
- sysEx[8] -= sysEx[cnt];
- sysEx[8] &= 0x7F;
- _midiDrv->sysEx(sysEx, 9);
-}
-
-void MT32Music::setupPointers(void) {
-
- _musicDataLoc = (_musicData[0x7DD] << 8) | _musicData[0x7DC];
- _sysExSequence = ((_musicData[0x7E1] << 8) | _musicData[0x7E0]) + _musicData;
-}
-
-void MT32Music::setupChannels(uint8 *channelData) {
-
- _numberOfChannels = channelData[0];
- channelData++;
- for (uint8 cnt = 0; cnt < _numberOfChannels; cnt++) {
- uint16 chDataStart = ((channelData[(cnt << 1) | 1] << 8) | channelData[cnt << 1]) + _musicDataLoc;
- _channels[cnt] = new GmChannel(_musicData, chDataStart, _midiDrv, NULL, NULL);
- _channels[cnt]->updateVolume(_musicVolume);
- }
-}
-
-bool MT32Music::processPatchSysEx(uint8 *sysExData) {
-
- uint8 sysExBuf[15];
- uint8 crc = 0;
- if (sysExData[0] & 0x80)
- return false;
-
- // decompress data from stream
- sysExBuf[0] = 0x41; sysExBuf[1] = 0x10; sysExBuf[2] = 0x16; sysExBuf[3] = 0x12; sysExBuf[4] = 0x5;
- sysExBuf[5] = sysExData[0] >> 4; // patch offset part 1
- sysExBuf[6] = (sysExData[0] & 0xF) << 3; // patch offset part 2
- sysExBuf[7] = sysExData[1] >> 6; // timbre group
- sysExBuf[8] = sysExData[1] & 0x3F; // timbre num
- sysExBuf[9] = sysExData[2] & 0x3F; // key shift
- sysExBuf[10] = sysExData[3] & 0x7F; // fine tune
- sysExBuf[11] = sysExData[4] & 0x7F; // bender range
- sysExBuf[12] = sysExData[2] >> 6; // assign mode
- sysExBuf[13] = sysExData[3] >> 7; // reverb switch
- for (uint8 cnt = 4; cnt < 14; cnt++)
- crc -= sysExBuf[cnt];
- sysExBuf[14] = crc & 0x7F; // crc
- _midiDrv->sysEx(sysExBuf, 15);
- g_system->delayMillis(5);
- return true;
-}
-
-void MT32Music::startDriver(void) {
-
- // setup timbres and patches using SysEx data
- uint8* sysExData = _sysExSequence;
- uint8 timbreNum = sysExData[0];
- uint8 cnt, crc;
- sysExData++;
- uint8 sendBuf[256];
- uint8 len;
- sendBuf[0] = 0x41; sendBuf[1] = 0x10; sendBuf[2] = 0x16; sendBuf[3] = 0x12;
- for (cnt = 0; cnt < timbreNum; cnt++) {
- len = 7;
- crc = 0;
- // Timbre address
- sendBuf[4] = 0x8 | (sysExData[0] >> 6);
- sendBuf[5] = (sysExData[0] & 0x3F) << 1;
- sendBuf[6] = 0xA;
- sysExData++;
- crc -= sendBuf[4] + sendBuf[5] + sendBuf[6];
- uint8 dataLen = sysExData[0];
- sysExData++;
- // Timbre data:
- do {
- uint8 rlVal = 1;
- uint8 codeVal = sysExData[0];
- sysExData++;
-
- if (codeVal & 0x80) {
- codeVal &= 0x7F;
- rlVal = sysExData[0];
- sysExData++;
- dataLen--;
- }
- for (uint8 cnt2 = 0; cnt2 < rlVal; cnt2++) {
- sendBuf[len] = codeVal;
- len++;
- crc -= codeVal;
- }
- dataLen--;
- } while (dataLen > 0);
- sendBuf[len] = crc & 0x7F;
- len++;
- _midiDrv->sysEx(sendBuf, len);
- g_system->delayMillis (5);
- }
-
- while (processPatchSysEx(sysExData))
- sysExData += 5;
-}
-
-} // End of namespace Sky