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, 11 insertions, 3 deletions

diff --git a/src/adlmidi_private.hpp b/src/adlmidi_private.hpp
index 43986c5..c3d65c0 100644
--- a/src/adlmidi_private.hpp
+++ b/src/adlmidi_private.hpp
@@ -211,6 +211,7 @@ inline int32_t adl_cvtU32(int32_t x)
 }
 
 struct ADL_MIDIPlayer;
+class  MIDIplay;
 /**
  * @brief OPL3 Chip management class
  */
@@ -218,7 +219,7 @@ class OPL3
 {
     friend class MIDIplay;
     friend class AdlInstrumentTester;
-    friend int adlRefreshNumCards(ADL_MIDIPlayer *device);
+    friend int adlCalculateFourOpChannels(MIDIplay *play, bool silent);
 public:
     enum
     {
@@ -363,6 +364,12 @@ public:
     OPL3();
 
     /**
+     * @brief Checks are setup locked to be changed on the fly or not
+     * @return true when setup on the fly is locked
+     */
+    bool setupLocked();
+
+    /**
      * @brief Choose one of embedded banks
      * @param bank ID of the bank
      */
@@ -951,7 +958,7 @@ public:
         int          emulator;
         bool         runAtPcmRate;
         unsigned int bankId;
-        unsigned int numFourOps;
+        int          numFourOps;
         unsigned int numChips;
         int     deepTremoloMode;
         int     deepVibratoMode;
@@ -1485,9 +1492,10 @@ extern void adl_audioTickHandler(void *instance, uint32_t chipId, uint32_t rate)
 /**
  * @brief Automatically calculate and enable necessary count of 4-op channels on emulated chips
  * @param device Library context
+ * @param silent Don't re-count channel categories
  * @return Always 0
  */
-extern int adlRefreshNumCards(ADL_MIDIPlayer *device);
+extern int adlCalculateFourOpChannels(MIDIplay *play, bool silent = false);
 
 /**
  * @brief Check emulator availability