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Separate getter function. This leads to the API

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- fluid_synth_mixer_get_channel_mapping().
- fluid_synth_mixer_get_fx_mapping().
This commit is contained in:
jjceresa 2020-09-15 19:17:03 +02:00
parent 4162bbe516
commit efbddb8d3d
3 changed files with 43 additions and 27 deletions
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6
include/fluidsynth/synth.h
View file

@ -390,9 +390,9 @@ FLUIDSYNTH_API int fluid_synth_get_breath_mode(fluid_synth_t *synth,
int chan, int *breathmode);
/* API: Mixer MIDI channels mapping */
FLUIDSYNTH_API int fluid_synth_mixer_get_mapping(fluid_synth_t *synth,
int chan, int *out_from_chan, int *fx_from_chan,
int *out_from_fx);
FLUIDSYNTH_API int fluid_synth_mixer_get_channel_mapping(fluid_synth_t *synth,
int chan, int *out_from_chan, int *fx_from_chan);
FLUIDSYNTH_API int fluid_synth_mixer_get_fx_mapping(fluid_synth_t *synth, int fxunit_idx, int *out_idx);
FLUIDSYNTH_API int fluid_synth_mixer_set_mapping(fluid_synth_t *synth,
int chan_to_out, int out_from_chan,
int chan_to_fx, int fx_from_chan,

15
src/bindings/fluid_cmd.c
View file

@ -3400,13 +3400,18 @@ int fluid_handle_chanmap(void *data, int ac, char **av,
for(i = 0; i < n; i++)
{
int out_from_chan, fx_from_chan, out_from_fx;
int result1, result2 = FLUID_OK;
int out_from_chan, fx_from_chan, out_from_fx = -1;
int chan = ac ? atoi(av[i]) : i;
int result = fluid_synth_mixer_get_mapping(synth, chan, &out_from_chan,
&fx_from_chan,
&out_from_fx);
result1 = fluid_synth_mixer_get_channel_mapping(synth, chan, &out_from_chan,
&fx_from_chan);
if(fx_from_chan >= 0)
{
result2 = fluid_synth_mixer_get_fx_mapping(synth, fx_from_chan,
&out_from_fx);
}
if(result == FLUID_OK)
if((result1 == FLUID_OK) && (result2 == FLUID_OK))
{
fluid_ostream_printf(out,
"channel:%3d,%7d,%6d,%7d\n",

49
src/synth/fluid_synth.c
View file

@ -7435,17 +7435,11 @@ int fluid_synth_get_basic_channel(fluid_synth_t *synth, int chan,
* @param fx_from_chan, pointer on value to return fx unit index
* which is mapped to chan.(NULL to ignore the value).
*
* @param out_from_fx, pointer on value to return dry output index mapped
* to the output of the fx unit which is mapped to chan.
* If there is no fx unit mapped to chan, -1 is returned.
* (NULL to ignore the value).
*
* @return #FLUID_OK on success, #FLUID_FAILED otherwise
*/
int
fluid_synth_mixer_get_mapping(fluid_synth_t *synth,
int chan, int *out_from_chan, int *fx_from_chan,
int *out_from_fx)
fluid_synth_mixer_get_channel_mapping(fluid_synth_t *synth, int chan,
int *out_from_chan, int *fx_from_chan)
{
FLUID_API_ENTRY_CHAN(FLUID_FAILED);
@ -7461,20 +7455,37 @@ fluid_synth_mixer_get_mapping(fluid_synth_t *synth,
*fx_from_chan = synth->channel[chan]->mapping_to_fx;
}
/* return output index mapped to fx unit (which is mapped to chan)
if queried.
*/
if(out_from_fx)
{
/*fx unit mapped to chan */
int fxunit_idx = synth->channel[chan]->mapping_to_fx;
fluid_rvoice_mixer_t *mixer = synth->eventhandler->mixer;
*out_from_fx = fluid_rvoice_mixer_get_fx_out_mapping(mixer, fxunit_idx);
}
FLUID_API_RETURN(FLUID_OK);
}
/**
* Get mixer fx unit mapping to audio buffers.
*
* @param synth FluidSynth instance.
* @param fxunit_idx, fx unit index to get mapping from.
* Must be in the range (0 to synth->effects_groups-1).
* @param out_idx, pointer on value to return dry output index mapped
* to fx unit output.
*
* @return #FLUID_OK on success, #FLUID_FAILED otherwise
*/
int
fluid_synth_mixer_get_fx_mapping(fluid_synth_t *synth, int fxunit_idx, int *out_idx)
{
fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
fluid_return_val_if_fail(out_idx != NULL, FLUID_FAILED);
fluid_synth_api_enter(synth);
if((fxunit_idx < 0) || (fxunit_idx >= synth->effects_groups))
{
FLUID_API_RETURN(FLUID_FAILED);
}
*out_idx = fluid_rvoice_mixer_get_fx_out_mapping(synth->eventhandler->mixer,
fxunit_idx);
FLUID_API_RETURN(FLUID_OK);
}
/**
* Set mixer MIDI channel mapping to audio buffers.