[Scummvm-cvs-logs] CVS: scummvm/sky/music gmchannel.cpp,1.5,1.5.2.1 gmchannel.h,1.3,1.3.2.1 gmmusic.cpp,1.10,1.10.2.1
Robert G?ffringmann
lavosspawn at users.sourceforge.net
Wed Aug 6 00:21:19 CEST 2003
Update of /cvsroot/scummvm/scummvm/sky/music
In directory sc8-pr-cvs1:/tmp/cvs-serv24191/sky/music
Modified Files:
Tag: branch-0-5-0
gmchannel.cpp gmchannel.h gmmusic.cpp
Log Message:
changed code for midi music volume
Index: gmchannel.cpp
===================================================================
RCS file: /cvsroot/scummvm/scummvm/sky/music/gmchannel.cpp,v
retrieving revision 1.5
retrieving revision 1.5.2.1
diff -u -d -r1.5 -r1.5.2.1
--- gmchannel.cpp 12 Jul 2003 06:20:40 -0000 1.5
+++ gmchannel.cpp 6 Aug 2003 07:00:36 -0000 1.5.2.1
@@ -38,7 +38,8 @@
_mt32_to_gm = pInstMap;
_veloTab = veloTab;
- _musicVolume = 0x100;
+ _musicVolume = 0x7F;
+ _lastVolume = 0xFF;
}
bool SkyGmChannel::isActive(void) {
@@ -49,6 +50,12 @@
void SkyGmChannel::updateVolume(uint16 pVolume) {
_musicVolume = pVolume;
+ if (_musicVolume > 0)
+ _musicVolume = (_musicVolume * 2) / 3 + 43;
+ if (_lastVolume < 0xFF) {
+ uint8 newVol = (_lastVolume * _musicVolume) >> 7;
+ _midiDrv->send((0xB0 | _channelData.midiChannelNumber) | 0x700 | (newVol << 16));
+ }
}
void SkyGmChannel::stopNote(void) {
@@ -166,8 +173,9 @@
void SkyGmChannel::com90_getChannelVolume(void) {
- _midiDrv->send((0xB0 | _channelData.midiChannelNumber) | 0x700 | (_musicData[_channelData.eventDataPtr] << 16));
- _channelData.eventDataPtr++;
+ _lastVolume = _musicData[_channelData.eventDataPtr];
+ uint8 newVol = (uint8)((_musicData[_channelData.eventDataPtr++] * _musicVolume) >> 7);
+ _midiDrv->send((0xB0 | _channelData.midiChannelNumber) | 0x700 | (newVol << 16));
}
void SkyGmChannel::com90_rewindMusic(void) {
Index: gmchannel.h
===================================================================
RCS file: /cvsroot/scummvm/scummvm/sky/music/gmchannel.h,v
retrieving revision 1.3
retrieving revision 1.3.2.1
diff -u -d -r1.3 -r1.3.2.1
--- gmchannel.h 12 Jul 2003 06:20:40 -0000 1.3
+++ gmchannel.h 6 Aug 2003 07:00:37 -0000 1.3.2.1
@@ -50,6 +50,7 @@
uint8 *_musicData;
uint16 _musicVolume;
MidiChannelType _channelData;
+ uint8 _lastVolume;
//- normal subs
void setRegister(uint8 regNum, uint8 value);
int32 getNextEventTime(void);
Index: gmmusic.cpp
===================================================================
RCS file: /cvsroot/scummvm/scummvm/sky/music/gmmusic.cpp,v
retrieving revision 1.10
retrieving revision 1.10.2.1
diff -u -d -r1.10 -r1.10.2.1
--- gmmusic.cpp 13 Jul 2003 16:22:17 -0000 1.10
+++ gmmusic.cpp 6 Aug 2003 07:00:37 -0000 1.10.2.1
@@ -50,12 +50,9 @@
void SkyGmMusic::setVolume(uint8 volume) {
- uint8 sysEx[6];
_musicVolume = volume;
- if (volume > 0) volume = (volume * 2) / 3 + 43; // GM synths behave kinda logarithmic
- sysEx[0] = 0x7F; sysEx[1] = 0x7F; sysEx[2] = 0x04; sysEx[3] = 0x01;
- sysEx[4] = 0; sysEx[5] = volume & 0x7F;
- _midiDrv->sysEx(sysEx, 6);
+ for (uint8 cnt = 0; cnt < _numberOfChannels; cnt++)
+ _channels[cnt]->updateVolume(_musicVolume);
}
void SkyGmMusic::timerCall(void) {
@@ -86,6 +83,7 @@
for (uint8 cnt = 0; cnt < _numberOfChannels; cnt++) {
uint16 chDataStart = ((channelData[(cnt << 1) | 1] << 8) | channelData[cnt << 1]) + _musicDataLoc;
_channels[cnt] = new SkyGmChannel(_musicData, chDataStart, _midiDrv, _mt32_to_gm, _veloTab);
+ _channels[cnt]->updateVolume(_musicVolume);
}
}
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