diff options
Diffstat (limited to 'audio')
| -rw-r--r-- | audio/softsynth/mt32.cpp | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/audio/softsynth/mt32.cpp b/audio/softsynth/mt32.cpp index 4420657854..d514e64fe9 100644 --- a/audio/softsynth/mt32.cpp +++ b/audio/softsynth/mt32.cpp @@ -140,10 +140,7 @@ MidiDriver_MT32::MidiDriver_MT32(Audio::Mixer *mixer) : MidiDriver_Emulated(mixe } _reportHandler = NULL; _synth = NULL; - // Unfortunately bugs in the emulator cause inaccurate tuning - // at rates other than 32KHz, thus we produce data at 32KHz and - // rely on Mixer to convert. - _outputRate = 32000; //_mixer->getOutputRate(); + _outputRate = 0; _initializing = false; // Initialized in open() @@ -180,7 +177,6 @@ int MidiDriver_MT32::open() { if (_isOpen) return MERR_ALREADY_OPEN; - MidiDriver_Emulated::open(); _reportHandler = new MT32Emu::ReportHandlerScummVM(); _synth = new MT32Emu::Synth(_reportHandler); @@ -212,6 +208,18 @@ int MidiDriver_MT32::open() { double gain = (double)ConfMan.getInt("midi_gain") / 100.0; _synth->setOutputGain(1.0f * gain); _synth->setReverbOutputGain(0.68f * gain); + // We let the synthesizer play MIDI messages immediately. Our MIDI + // handling is synchronous to sample generation. This makes delaying MIDI + // events result in odd sound output in some cases. For example, the + // shattering window in the Indiana Jones and the Fate of Atlantis intro + // will sound like a bell if we use any delay here. + // Bug #6242 "AUDIO: Built-In MT-32 MUNT Produces Wrong Sounds". + _synth->setMIDIDelayMode(MT32Emu::MIDIDelayMode_IMMEDIATE); + + // We need to report the sample rate MUNT renders at as sample rate of our + // AudioStream. + _outputRate = _synth->getStereoOutputSampleRate(); + MidiDriver_Emulated::open(); _initializing = false; |