Lock settings for CMF and IMF playing to don't destroy them

For now, all settings are in safe, except of custom bank that getting be dropped away by CMF file that does passing of own custom instruments.

1 files changed, 6 insertions, 2 deletions

diff --git a/src/adlmidi_midiplay.cpp b/src/adlmidi_midiplay.cpp
index 276a33d..585e855 100644
--- a/src/adlmidi_midiplay.cpp
+++ b/src/adlmidi_midiplay.cpp
@@ -141,7 +141,7 @@ MIDIplay::MIDIplay(unsigned long sampleRate):
     m_setup.maxdelay = 512.0 / (double)m_setup.PCM_RATE;
 
     m_setup.bankId    = 0;
-    m_setup.numFourOps = 7;
+    m_setup.numFourOps = -1;
     m_setup.numChips   = 2;
     m_setup.deepTremoloMode     = -1;
     m_setup.deepVibratoMode     = -1;
@@ -198,9 +198,13 @@ void MIDIplay::applySetup()
         m_synth.m_volumeScale = (OPL3::VolumesScale)m_synth.m_insBankSetup.volumeModel;
 
     m_synth.m_numChips    = m_setup.numChips;
-    m_synth.m_numFourOps  = m_setup.numFourOps;
     m_cmfPercussionMode = false;
 
+    if(m_setup.numFourOps >= 0)
+        m_synth.m_numFourOps  = m_setup.numFourOps;
+    else
+        adlCalculateFourOpChannels(this, true);
+
     m_synth.reset(m_setup.emulator, m_setup.PCM_RATE, this);
     m_chipChannels.clear();
     m_chipChannels.resize(m_synth.m_numChannels);