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add a function for removing default modulators

This commit is contained in:
derselbst 2017-10-30 15:19:46 +01:00
parent c40c49b331
commit 179f87f952
2 changed files with 41 additions and 0 deletions
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1
include/fluidsynth/synth.h
View File

@ -295,6 +295,7 @@ enum fluid_synth_add_mod {
};
FLUIDSYNTH_API int fluid_synth_add_default_mod(fluid_synth_t* synth, fluid_mod_t* mod, int mode);
FLUIDSYNTH_API int fluid_synth_remove_default_mod(fluid_synth_t* synth, const fluid_mod_t* mod);
/*

40
src/synth/fluid_synth.c
View File

@ -1157,6 +1157,46 @@ fluid_synth_add_default_mod(fluid_synth_t* synth, fluid_mod_t* mod, int mode)
FLUID_API_RETURN(FLUID_OK);
}
/**
* Removes the specified modulator \c mod from the synth's default modulator list.
* fluid_mod_test_identity() will be used to test modulator matching.
* @param synth synth instance
* @param mod The modulator to remove
* @return FLUID_OK if a matching modulator was found and successfully removed, FLUID_FAILED otherwise
*/
int
fluid_synth_remove_default_mod(fluid_synth_t* synth, const fluid_mod_t* mod)
{
fluid_mod_t* default_mod;
fluid_mod_t* last_mod;
fluid_return_val_if_fail (synth != NULL, FLUID_FAILED);
fluid_return_val_if_fail (mod != NULL, FLUID_FAILED);
fluid_synth_api_enter(synth);
last_mod = default_mod = synth->default_mod;
while (default_mod != NULL) {
if (fluid_mod_test_identity(default_mod, mod))
{
if(synth->default_mod == default_mod)
{
synth->default_mod = synth->default_mod->next;
}
else
{
last_mod->next = default_mod->next;
}
fluid_mod_delete(default_mod);
FLUID_API_RETURN(FLUID_OK);
}
last_mod = default_mod;
default_mod = default_mod->next;
}
FLUID_API_RETURN(FLUID_FAILED);
}
/**
* Send a MIDI controller event on a MIDI channel.