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-rw-r--r--engines/m4/m4.cpp13
-rw-r--r--engines/m4/m4.h1
-rw-r--r--engines/m4/midi.cpp76
-rw-r--r--engines/m4/midi.h27
4 files changed, 22 insertions, 95 deletions
diff --git a/engines/m4/m4.cpp b/engines/m4/m4.cpp
index d8d25f6895..4cc2bf8783 100644
--- a/engines/m4/m4.cpp
+++ b/engines/m4/m4.cpp
@@ -151,7 +151,6 @@ MadsM4Engine::~MadsM4Engine() {
delete _palette;
delete _globals;
delete _sound;
- delete _driver;
delete _resourceManager;
}
@@ -159,16 +158,8 @@ Common::Error MadsM4Engine::run() {
// Initialize backend
_screen = new M4Surface(true); // Special form for creating screen reference
- MidiDriver::DeviceHandle dev = MidiDriver::detectDevice(MDT_MIDI | MDT_ADLIB | MDT_PREFER_GM);
- bool native_mt32 = ((MidiDriver::getMusicType(dev) == MT_MT32) || ConfMan.getBool("native_mt32"));
-
- _driver = MidiDriver::createMidi(dev);
- if (native_mt32)
- _driver->property(MidiDriver::PROP_CHANNEL_MASK, 0x03FE);
-
- _midi = new MidiPlayer(this, _driver);
- _midi->setGM(true);
- _midi->setNativeMT32(native_mt32);
+ _midi = new MidiPlayer(this);
+ _midi->setGM(true); // FIXME: Really? Always?
_saveLoad = new SaveLoad(this);
_palette = new Palette(this);
diff --git a/engines/m4/m4.h b/engines/m4/m4.h
index f665df262b..a43f3e1387 100644
--- a/engines/m4/m4.h
+++ b/engines/m4/m4.h
@@ -148,7 +148,6 @@ protected:
void shutdown();
- MidiDriver *_driver;
MidiPlayer *_midi;
public:
diff --git a/engines/m4/midi.cpp b/engines/m4/midi.cpp
index f4fe00319c..b982fc8129 100644
--- a/engines/m4/midi.cpp
+++ b/engines/m4/midi.cpp
@@ -28,14 +28,22 @@
#include "m4/m4.h"
#include "m4/midi.h"
+#include "audio/midiparser.h"
+#include "common/config-manager.h"
#include "common/memstream.h"
namespace M4 {
-MidiPlayer::MidiPlayer(MadsM4Engine *vm, MidiDriver *driver) : _vm(vm), _midiData(NULL), _driver(driver), _isPlaying(false), _isGM(false) {
+MidiPlayer::MidiPlayer(MadsM4Engine *vm) : _vm(vm), _midiData(NULL), _isGM(false) {
+
+ MidiDriver::DeviceHandle dev = MidiDriver::detectDevice(MDT_MIDI | MDT_ADLIB | MDT_PREFER_GM);
+ _nativeMT32 = ((MidiDriver::getMusicType(dev) == MT_MT32) || ConfMan.getBool("native_mt32"));
+
+ _driver = MidiDriver::createMidi(dev);
assert(_driver);
- memset(_channel, 0, sizeof(_channel));
- _masterVolume = 0;
+ if (_nativeMT32)
+ _driver->property(MidiDriver::PROP_CHANNEL_MASK, 0x03FE);
+
_parser = MidiParser::createParser_SMF();
_parser->setMidiDriver(this);
_parser->setTimerRate(_driver->getBaseTempo());
@@ -48,7 +56,7 @@ MidiPlayer::MidiPlayer(MadsM4Engine *vm, MidiDriver *driver) : _vm(vm), _midiDat
MidiPlayer::~MidiPlayer() {
_driver->setTimerCallback(NULL, NULL);
_parser->setMidiDriver(NULL);
- stopMusic();
+ stop();
if (_driver) {
_driver->close();
delete _driver;
@@ -58,64 +66,12 @@ MidiPlayer::~MidiPlayer() {
free(_midiData);
}
-void MidiPlayer::setVolume(int volume) {
- Common::StackLock lock(_mutex);
-
- if (volume < 0)
- volume = 0;
- else if (volume > 255)
- volume = 255;
-
- if (_masterVolume == volume)
- return;
-
- _masterVolume = volume;
-
- for (int i = 0; i < 16; ++i) {
- if (_channel[i]) {
- _channel[i]->volume(_channelVolume[i] * _masterVolume / 255);
- }
- }
-}
-
void MidiPlayer::send(uint32 b) {
- byte channel = (byte)(b & 0x0F);
- if ((b & 0xFFF0) == 0x07B0) {
- // Adjust volume changes by master volume
- byte volume = (byte)((b >> 16) & 0x7F);
- _channelVolume[channel] = volume;
- volume = volume * _masterVolume / 255;
- b = (b & 0xFF00FFFF) | (volume << 16);
- } else if ((b & 0xF0) == 0xC0 && !_isGM && !_nativeMT32) {
+ if ((b & 0xF0) == 0xC0 && !_isGM && !_nativeMT32) {
b = (b & 0xFFFF00FF) | MidiDriver::_mt32ToGm[(b >> 8) & 0xFF] << 8;
}
- else if ((b & 0xFFF0) == 0x007BB0) {
- //Only respond to All Notes Off if this channel
- //has currently been allocated
- if (!_channel[b & 0x0F])
- return;
- }
- if (!_channel[channel])
- _channel[channel] = (channel == 9) ? _driver->getPercussionChannel() : _driver->allocateChannel();
-
- if (_channel[channel])
- _channel[channel]->send(b);
-}
-
-void MidiPlayer::metaEvent(byte type, byte *data, uint16 length) {
- switch (type) {
- case 0x2F:
- // End of track. (Not called when auto-looping.)
- stopMusic();
- break;
- case 0x51:
- // Set tempo. Handled by the standard MIDI parser already.
- break;
- default:
- warning("Unhandled meta event: %02x", type);
- break;
- }
+ Audio::MidiPlayer::send(b);
}
void MidiPlayer::onTimer(void *refCon) {
@@ -127,7 +83,7 @@ void MidiPlayer::onTimer(void *refCon) {
}
void MidiPlayer::playMusic(const char *name, int32 vol, bool loop, int32 trigger, int32 scene) {
- stopMusic();
+ stop();
char fullname[144];
_vm->res()->changeExtension(fullname, name, "HMP");
@@ -157,7 +113,7 @@ void MidiPlayer::playMusic(const char *name, int32 vol, bool loop, int32 trigger
_isPlaying = true;
}
-void MidiPlayer::stopMusic() {
+void MidiPlayer::stop() {
Common::StackLock lock(_mutex);
_isPlaying = false;
diff --git a/engines/m4/midi.h b/engines/m4/midi.h
index cc3f62621d..e1f92cd4b6 100644
--- a/engines/m4/midi.h
+++ b/engines/m4/midi.h
@@ -28,32 +28,22 @@
#ifndef M4_MIDI_H
#define M4_MIDI_H
-#include "audio/mididrv.h"
-#include "audio/midiparser.h"
-#include "common/mutex.h"
+#include "audio/midiplayer.h"
namespace M4 {
-class MidiPlayer : public MidiDriver_BASE {
+class MidiPlayer : public Audio::MidiPlayer {
public:
- MidiPlayer(MadsM4Engine *vm, MidiDriver *driver);
+ MidiPlayer(MadsM4Engine *vm);
~MidiPlayer();
- bool isPlaying() const { return _isPlaying; }
-
- void setVolume(int volume);
- int getVolume() const { return _masterVolume; }
-
- void setNativeMT32(bool b) { _nativeMT32 = b; }
- bool hasNativeMT32() const{ return _nativeMT32; }
void playMusic(const char *name, int32 vol, bool loop, int32 trigger, int32 scene);
- void stopMusic();
+ virtual void stop();
void setGM(bool isGM) { _isGM = isGM; }
// MidiDriver_BASE interface implementation
virtual void send(uint32 b);
- virtual void metaEvent(byte type, byte *data, uint16 length);
protected:
static void onTimer(void *data);
@@ -61,23 +51,14 @@ protected:
MadsM4Engine *_vm;
byte *_midiData;
- MidiChannel *_channel[16];
- MidiDriver *_driver;
- MidiParser *_parser;
- byte _channelVolume[16];
- bool _nativeMT32;
bool _isGM;
- bool _isPlaying;
bool _randomLoop;
- byte _masterVolume;
byte *_musicData;
uint16 *_buf;
size_t _musicDataSize;
- Common::Mutex _mutex;
-
byte *convertHMPtoSMF(byte *data, uint32 inSize, uint32 &outSize);
};
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 14:27:11 +0000