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minor cleanup for fluid_synth API

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remove deprecated fluid_synth_get_channel_preset() and fluid_synth_get_program() and fuse their functioning together into fluid_synth_get_channel_info()
This commit is contained in:
derselbst 2017-09-19 16:32:20 +02:00
parent f43c036391
commit 201aa5e0d4
2 changed files with 10 additions and 99 deletions
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16
include/fluidsynth/synth.h
View file

@ -45,7 +45,6 @@ extern "C" {
* fluid_synth_noteon(), fluid_synth_noteoff(), ...
*/
#define FLUID_SYNTH_CHANNEL_INFO_NAME_SIZE 32 /**< Length of channel info name field (including zero terminator) */
/**
* Channel information structure for fluid_synth_get_channel_info().
@ -53,13 +52,10 @@ extern "C" {
*/
struct _fluid_synth_channel_info_t
{
int assigned : 1; /**< TRUE if a preset is assigned, FALSE otherwise */
/* Reserved flag bits (at the least 31) */
int sfont_id; /**< ID of parent SoundFont */
int bank; /**< MIDI bank number (0-16383) */
int program; /**< MIDI program number (0-127) */
char name[FLUID_SYNTH_CHANNEL_INFO_NAME_SIZE]; /**< Channel preset name */
char reserved[32]; /**< Reserved data for future expansion */
fluid_preset_t* preset; /**< Pointer to the preset assigned to the corresponding MIDI channel, NULL if none assigned */
int sfont_id; /**< ID of the SoundFont assigned to the corresponding MIDI channel */
int bank; /**< MIDI bank number (0-16383) assigned to the corresponding MIDI channel */
int program; /**< MIDI program number (0-127) assigned to the corresponding MIDI channel */
};
FLUIDSYNTH_API fluid_synth_t* new_fluid_synth(fluid_settings_t* settings);
@ -91,9 +87,6 @@ FLUIDSYNTH_API int
fluid_synth_program_select_by_sfont_name (fluid_synth_t* synth, int chan,
const char *sfont_name, unsigned int bank_num,
unsigned int preset_num);
FLUIDSYNTH_API
int fluid_synth_get_program(fluid_synth_t* synth, int chan, unsigned int* sfont_id,
unsigned int* bank_num, unsigned int* preset_num);
FLUIDSYNTH_API int fluid_synth_unset_program (fluid_synth_t *synth, int chan);
FLUIDSYNTH_API int fluid_synth_get_channel_info (fluid_synth_t *synth, int chan,
fluid_synth_channel_info_t *info);
@ -113,7 +106,6 @@ FLUIDSYNTH_API int fluid_synth_set_channel_type(fluid_synth_t* synth, int chan,
/* Low level access */
FLUIDSYNTH_API fluid_preset_t* fluid_synth_get_channel_preset(fluid_synth_t* synth, int chan);
FLUIDSYNTH_API int fluid_synth_start(fluid_synth_t* synth, unsigned int id,
fluid_preset_t* preset, int audio_chan,
int midi_chan, int key, int vel);

89
src/synth/fluid_synth.c
View file

@ -2114,37 +2114,6 @@ fluid_synth_unset_program (fluid_synth_t *synth, int chan)
FLUID_API_RETURN(result);
}
/**
* Get current SoundFont ID, bank number and program number for a MIDI channel.
* @param synth FluidSynth instance
* @param chan MIDI channel number (0 to MIDI channel count - 1)
* @param sfont_id Location to store SoundFont ID
* @param bank_num Location to store MIDI bank number
* @param preset_num Location to store MIDI program number
* @return FLUID_OK on success, FLUID_FAILED otherwise
* @deprecated Use fluid_synth_get_channel_info() instead.
*/
int
fluid_synth_get_program(fluid_synth_t* synth, int chan, unsigned int* sfont_id,
unsigned int* bank_num, unsigned int* preset_num)
{
fluid_channel_t* channel;
fluid_return_val_if_fail (sfont_id != NULL, FLUID_FAILED);
fluid_return_val_if_fail (bank_num != NULL, FLUID_FAILED);
fluid_return_val_if_fail (preset_num != NULL, FLUID_FAILED);
FLUID_API_ENTRY_CHAN(FLUID_FAILED);
channel = synth->channel[chan];
fluid_channel_get_sfont_bank_prog(channel, (int *)sfont_id, (int *)bank_num,
(int *)preset_num);
/* 128 indicates that the preset is unset. Set to 0 to be backwards compatible. */
if (*preset_num == FLUID_UNSET_PROGRAM) *preset_num = 0;
FLUID_API_RETURN(FLUID_OK);
}
/**
* Select an instrument on a MIDI channel by SoundFont ID, bank and program numbers.
* @param synth FluidSynth instance
@ -3665,78 +3634,28 @@ fluid_synth_get_sfont_by_name(fluid_synth_t* synth, const char *name)
}
/**
* Get active preset on a MIDI channel.
* @param synth FluidSynth instance
* @param chan MIDI channel number (0 to MIDI channel count - 1)
* @return Preset or NULL if no preset active on channel
* @deprecated fluid_synth_get_channel_info() should replace most use cases.
*
* @note Should only be called from within synthesis thread, which includes
* SoundFont loader preset noteon methods. Not thread safe otherwise.
*/
fluid_preset_t *
fluid_synth_get_channel_preset(fluid_synth_t* synth, int chan)
{
fluid_preset_t* result;
fluid_channel_t *channel;
FLUID_API_ENTRY_CHAN(NULL);
channel = synth->channel[chan];
result = channel->preset;
fluid_synth_api_exit(synth);
return result;
}
/**
* Get information on the currently selected preset on a MIDI channel.
* Get information about a MIDI channel. Specifically retrieve the currently active fluid_preset_t, SoundFont ID, bank number and program number for that MIDI channel.
* @param synth FluidSynth instance
* @param chan MIDI channel number (0 to MIDI channel count - 1)
* @param info Caller supplied structure to fill with preset information
* @return #FLUID_OK on success, #FLUID_FAILED otherwise
* @since 1.1.1
*
* @note The ID, bank and program assigned to the MIDI channel may be different to the ID, bank and program specified by the preset. This may happen if e.g. a preset requested by a program change could not be found and the synth falls back to a default preset instead.
*/
int
fluid_synth_get_channel_info (fluid_synth_t *synth, int chan,
fluid_synth_channel_info_t *info)
{
fluid_channel_t *channel;
fluid_preset_t *preset;
char *name;
if (info)
{
info->assigned = FALSE;
info->name[0] = '\0';
}
fluid_return_val_if_fail (info != NULL, FLUID_FAILED);
FLUID_API_ENTRY_CHAN(FLUID_FAILED);
channel = synth->channel[chan];
preset = channel->preset;
if (preset)
{
info->assigned = TRUE;
name = fluid_preset_get_name (preset);
if (name)
{
strncpy (info->name, name, FLUID_SYNTH_CHANNEL_INFO_NAME_SIZE);
info->name[FLUID_SYNTH_CHANNEL_INFO_NAME_SIZE - 1] = '\0';
}
else info->name[0] = '\0';
info->sfont_id = preset->sfont->id;
info->bank = fluid_preset_get_banknum (preset);
info->program = fluid_preset_get_num (preset);
}
else
{
info->assigned = FALSE;
info->preset = channel->preset;
fluid_channel_get_sfont_bank_prog (channel, &info->sfont_id, &info->bank, &info->program);
info->name[0] = '\0';
}
fluid_synth_api_exit(synth);
return FLUID_OK;