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On 10.12.20 15:10, d...@mozart.co.uk wrote:
Hi Tom,
fluid_synth_set_channel_type() changes the type only. It does not assign new
presets. To do this, either add a call to fluid_synth_program_reset() or send
some fluid_synth_program_change() messages afterwards.
>And make sure to implement proper error handling by checking the return
values of those functions.
Thanks for the suggestion. I was already sending a program change to all
channels (except the one where I actually want percussion) and the voices were
coming out fine on all but channel 9. So I’ve included a reset:
settings = new_fluid_settings();
fluid_settings_setint( settings, "synth.midi-channels", 65 );
// create the synthesizer
// with percussion channel = 64
synth = new_fluid_synth( settings );
fluid_synth_set_channel_type( synth, 64, CHANNEL_TYPE_DRUM);
// Set the standard MIDI percussion channel to melodic:
fluid_synth_set_channel_type( synth, 9, CHANNEL_TYPE_MELODIC);
// Reset:
fluid_synth_system_reset( synth );
And it hasn’t changed: I’m still getting percussion sounds on channel 9.
As a work-around I’ve gone over to using channel 9 as my percussion channel,
and that works fine.
[I have to admit I wasn’t checking error returns but I’ll do that next.]
Dave
David Webber
Mozart Music Software
https://www.mozart.co.uk
I forgot that you have to set the bank as well:
fluid_synth_set_channel_type( synth, 9, CHANNEL_TYPE_MELODIC);
fluid_synth_bank_select(synth, 9, 0); // bank 0
fluid_synth_program_reset();
Alternatively, use fluid_synth_program_select() right away.
Tom
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