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Handle GM/GM2 mode on, GS reset, and XG reset, and reset the

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synthesizer upon setting the mode.
This commit is contained in:
Christopher Snowhill 2021-05-06 18:15:32 -07:00 committed by Tom M
parent 4231645fb8
commit 7068c13f71
2 changed files with 117 additions and 2 deletions
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3
src/midi/fluid_midi.h
View file

@ -178,6 +178,7 @@ enum midi_meta_event
enum midi_sysex_manuf
{
MIDI_SYSEX_MANUF_ROLAND = 0x41, /**< Roland manufacturer ID */
MIDI_SYSEX_MANUF_YAMAHA = 0x43,
MIDI_SYSEX_UNIV_NON_REALTIME = 0x7E, /**< Universal non realtime message */
MIDI_SYSEX_UNIV_REALTIME = 0x7F /**< Universal realtime message */
};
@ -188,6 +189,7 @@ enum midi_sysex_manuf
#define MIDI_SYSEX_MIDI_TUNING_ID 0x08 /**< Sysex sub-ID #1 for MIDI tuning messages */
#define MIDI_SYSEX_GM_ID 0x09 /**< Sysex sub-ID #1 for General MIDI messages */
#define MIDI_SYSEX_GS_ID 0x42 /**< Model ID (GS) serving as sub-ID #1 for GS messages*/
#define MIDI_SYSEX_XG_ID 0x4C /**< Model ID (XG) serving as sub-ID #1 for XG messages*/
/**
* SYSEX tuning message IDs.
@ -209,6 +211,7 @@ enum midi_sysex_tuning_msg_id
/* General MIDI sub-ID #2 */
#define MIDI_SYSEX_GM_ON 0x01 /**< Enable GM mode */
#define MIDI_SYSEX_GM_OFF 0x02 /**< Disable GM mode */
#define MIDI_SYSEX_GM2_ON 0x03 /**< Enable GM2 mode */
#define MIDI_SYSEX_GS_DT1 0x12 /**< GS DT1 command */
enum fluid_driver_status

116
src/synth/fluid_synth.c
View file

@ -70,6 +70,10 @@ static int fluid_synth_sysex_gs_dt1(fluid_synth_t *synth, const char *data,
int len, char *response,
int *response_len, int avail_response,
int *handled, int dryrun);
static int fluid_synth_sysex_xg(fluid_synth_t *synth, const char *data,
int len, char *response,
int *response_len, int avail_response,
int *handled, int dryrun);
int fluid_synth_all_notes_off_LOCAL(fluid_synth_t *synth, int chan);
static int fluid_synth_all_sounds_off_LOCAL(fluid_synth_t *synth, int chan);
static int fluid_synth_system_reset_LOCAL(fluid_synth_t *synth);
@ -2012,9 +2016,29 @@ fluid_synth_sysex(fluid_synth_t *synth, const char *data, int len,
FLUID_API_RETURN(result);
}
/* GM or GM2 system on */
if(data[0] == MIDI_SYSEX_UNIV_NON_REALTIME
&& (data[1] == synth->device_id || data[1] == MIDI_SYSEX_DEVICE_ID_ALL)
&& data[2] == MIDI_SYSEX_GM_ID)
{
if(handled)
{
*handled = TRUE;
}
if(!dryrun && (data[3] == MIDI_SYSEX_GM_ON
|| data[3] == MIDI_SYSEX_GM2_ON))
{
int result;
synth->bank_select = FLUID_BANK_STYLE_GM;
fluid_synth_api_enter(synth);
result = fluid_synth_system_reset_LOCAL(synth);
FLUID_API_RETURN(result);
}
return FLUID_OK;
}
/* GS DT1 message */
if((synth->bank_select == FLUID_BANK_STYLE_GS)
&& data[0] == MIDI_SYSEX_MANUF_ROLAND
if(data[0] == MIDI_SYSEX_MANUF_ROLAND
&& (data[1] == synth->device_id || data[1] == MIDI_SYSEX_DEVICE_ID_ALL)
&& data[2] == MIDI_SYSEX_GS_ID
&& data[3] == MIDI_SYSEX_GS_DT1)
@ -2027,6 +2051,19 @@ fluid_synth_sysex(fluid_synth_t *synth, const char *data, int len,
FLUID_API_RETURN(result);
}
/* XG message */
if(data[0] == MIDI_SYSEX_MANUF_YAMAHA
&& (data[1] == synth->device_id || data[1] == MIDI_SYSEX_DEVICE_ID_ALL)
&& data[2] == MIDI_SYSEX_XG_ID)
{
int result;
fluid_synth_api_enter(synth);
result = fluid_synth_sysex_xg(synth, data, len, response,
response_len, avail_response,
handled, dryrun);
FLUID_API_RETURN(result);
}
return FLUID_OK;
}
@ -2348,6 +2385,36 @@ fluid_synth_sysex_gs_dt1(fluid_synth_t *synth, const char *data, int len,
return FLUID_FAILED;
}
if (addr == 0x40007F) // Mode set
{
if (len_data > 1 || (data[7] != 0 && data[7] != 0x7f))
{
return FLUID_FAILED;
}
if (handled)
{
*handled = TRUE;
}
if (!dryrun)
{
if (data[7] == 0)
{
synth->bank_select = FLUID_BANK_STYLE_GS;
}
else
{
synth->bank_select = FLUID_BANK_STYLE_GM;
}
return fluid_synth_system_reset_LOCAL(synth);
}
return FLUID_OK;
}
if (synth->bank_select != FLUID_BANK_STYLE_GS)
{
return FLUID_OK; // Silently ignore all other messages
}
if ((addr & 0xFFF0FF) == 0x401015) // Use for rhythm part
{
if (len_data > 1 || data[7] > 0x02)
@ -2377,6 +2444,51 @@ fluid_synth_sysex_gs_dt1(fluid_synth_t *synth, const char *data, int len,
return FLUID_OK;
}
/* Handler for XG messages */
static int
fluid_synth_sysex_xg(fluid_synth_t *synth, const char *data, int len,
char *response, int *response_len, int avail_response,
int *handled, int dryrun)
{
int addr;
int len_data;
if(len < 7) // at least one byte of data should be transmitted
{
return FLUID_FAILED;
}
len_data = len - 6;
addr = (data[3] << 16) | (data[4] << 8) | data[5];
if (addr == 0x00007E // Reset
|| addr == 0x00007F) // Reset to factory
{
if (len_data > 1 || data[6] != 0)
{
return FLUID_FAILED;
}
if (handled)
{
*handled = TRUE;
}
if (!dryrun)
{
synth->bank_select = FLUID_BANK_STYLE_XG;
return fluid_synth_system_reset_LOCAL(synth);
}
return FLUID_OK;
}
/* No other messages handled yet
if (synth->bank_select != FLUID_BANK_STYLE_XG)
{
return FLUID_OK; // Silently ignore all other messages
}*/
//silently ignore
return FLUID_OK;
}
/**
* Turn off all voices that are playing on the given MIDI channel, by putting them into release phase.
* @param synth FluidSynth instance