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Import envelope tweaks for current WildMidi git

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This commit is contained in:
Randy Heit 2016-01-11 19:19:06 -06:00
parent 50ecec199f
commit 7f01a6a30a
1 changed files with 78 additions and 86 deletions
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164
src/wildmidi/wildmidi_lib.cpp
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@ -1374,47 +1374,47 @@ get_sample_data(struct _patch *sample_patch, unsigned long int freq) {
return return_sample; return return_sample;
} }
static void do_note_off_extra(struct _note *nte) { static void do_note_off_extra(struct _note *nte) {
nte->is_off = 0; nte->is_off = 0;
if (nte->hold) {
nte->hold |= HOLD_OFF;
} else {
if (!(nte->modes & SAMPLE_ENVELOPE)) {
if (nte->modes & SAMPLE_LOOP) {
nte->modes ^= SAMPLE_LOOP;
}
nte->env_inc = 0;
} else if (nte->modes & SAMPLE_CLAMPED) { if (!(nte->modes & SAMPLE_ENVELOPE)) {
if (nte->env < 5) { if (nte->modes & SAMPLE_LOOP) {
nte->env = 5; nte->modes ^= SAMPLE_LOOP;
if (nte->env_level > nte->sample->env_target[5]) { }
nte->env_inc = -nte->sample->env_rate[5]; nte->env_inc = 0;
} else {
nte->env_inc = nte->sample->env_rate[5]; } else if (nte->hold) {
} nte->hold |= HOLD_OFF;
}
#if 1 } else if (nte->modes & SAMPLE_SUSTAIN) {
} else if (nte->modes & SAMPLE_SUSTAIN) { if (nte->env < 3) {
if (nte->env < 3) { nte->env = 3;
nte->env = 3; if (nte->env_level > nte->sample->env_target[3]) {
if (nte->env_level > nte->sample->env_target[3]) { nte->env_inc = -nte->sample->env_rate[3];
nte->env_inc = -nte->sample->env_rate[3];
} else {
nte->env_inc = nte->sample->env_rate[3];
}
}
#endif
} else if (nte->env < 4) {
nte->env = 4;
if (nte->env_level > nte->sample->env_target[4]) {
nte->env_inc = -nte->sample->env_rate[4];
} else { } else {
nte->env_inc = nte->sample->env_rate[4]; nte->env_inc = nte->sample->env_rate[3];
} }
} }
} else if (nte->modes & SAMPLE_CLAMPED) {
if (nte->env < 5) {
nte->env = 5;
if (nte->env_level > nte->sample->env_target[5]) {
nte->env_inc = -nte->sample->env_rate[5];
} else {
nte->env_inc = nte->sample->env_rate[5];
}
}
} else if (nte->env < 4) {
nte->env = 4;
if (nte->env_level > nte->sample->env_target[4]) {
nte->env_inc = -nte->sample->env_rate[4];
} else {
nte->env_inc = nte->sample->env_rate[4];
}
} }
} }
@ -2174,19 +2174,16 @@ static int *WM_Mix_Linear(midi * handle, int * buffer, unsigned long int count)
* ======================== * ========================
*/ */
note_data->sample_pos += note_data->sample_inc; note_data->sample_pos += note_data->sample_inc;
if (note_data->sample_pos > note_data->sample->loop_end) { if (note_data->modes & SAMPLE_LOOP) {
if (note_data->modes & SAMPLE_LOOP) { if (note_data->sample_pos > note_data->sample->loop_end) {
note_data->sample_pos = note_data->sample_pos =
note_data->sample->loop_start note_data->sample->loop_start
+ ((note_data->sample_pos + ((note_data->sample_pos
- note_data->sample->loop_start) - note_data->sample->loop_start)
% note_data->sample->loop_size); % note_data->sample->loop_size);
} else if (note_data->sample_pos >= note_data->sample->data_length) {
if (note_data->replay == NULL) {
goto KILL_NOTE;
}
goto RESTART_NOTE;
} }
} else if (note_data->sample_pos >= note_data->sample->data_length) {
goto END_THIS_NOTE;
} }
if (note_data->env_inc == 0) { if (note_data->env_inc == 0) {
@ -2195,35 +2192,32 @@ static int *WM_Mix_Linear(midi * handle, int * buffer, unsigned long int count)
} }
note_data->env_level += note_data->env_inc; note_data->env_level += note_data->env_inc;
if (note_data->env_level > 4194304) { if (note_data->env_inc < 0) {
note_data->env_level = if (note_data->env_level > note_data->sample->env_target[note_data->env]) {
note_data->sample->env_target[note_data->env]; note_data = note_data->next;
} continue;
if (((note_data->env_inc < 0) }
&& (note_data->env_level } else if (note_data->env_inc > 0) {
> note_data->sample->env_target[note_data->env])) if (note_data->env_level < note_data->sample->env_target[note_data->env]) {
|| ((note_data->env_inc > 0) note_data = note_data->next;
&& (note_data->env_level continue;
< note_data->sample->env_target[note_data->env]))) }
{
note_data = note_data->next;
continue;
} }
// Yes could have a condition here but
// it would create another bottleneck
note_data->env_level = note_data->env_level =
note_data->sample->env_target[note_data->env]; note_data->sample->env_target[note_data->env];
switch (note_data->env) { switch (note_data->env) {
case 0: case 0:
#if 0
if (!(note_data->modes & SAMPLE_ENVELOPE)) { if (!(note_data->modes & SAMPLE_ENVELOPE)) {
note_data->env_inc = 0; note_data->env_inc = 0;
note_data = note_data->next; note_data = note_data->next;
continue; continue;
} }
#endif
break; break;
case 2: case 2:
if (note_data->modes & SAMPLE_SUSTAIN) { if (note_data->modes & SAMPLE_SUSTAIN /*|| note_data->hold*/) {
note_data->env_inc = 0; note_data->env_inc = 0;
note_data = note_data->next; note_data = note_data->next;
continue; continue;
@ -2242,7 +2236,7 @@ static int *WM_Mix_Linear(midi * handle, int * buffer, unsigned long int count)
break; break;
case 5: case 5:
if (note_data->env_level == 0) { if (note_data->env_level == 0) {
goto KILL_NOTE; goto END_THIS_NOTE;
} }
/* sample release */ /* sample release */
if (note_data->modes & SAMPLE_LOOP) if (note_data->modes & SAMPLE_LOOP)
@ -2251,8 +2245,9 @@ static int *WM_Mix_Linear(midi * handle, int * buffer, unsigned long int count)
note_data = note_data->next; note_data = note_data->next;
continue; continue;
case 6: case 6:
END_THIS_NOTE:
if (note_data->replay != NULL) { if (note_data->replay != NULL) {
RESTART_NOTE: note_data->active = 0; note_data->active = 0;
{ {
struct _note *prev_note = NULL; struct _note *prev_note = NULL;
struct _note *nte_array = mdi->note; struct _note *nte_array = mdi->note;
@ -2273,7 +2268,7 @@ static int *WM_Mix_Linear(midi * handle, int * buffer, unsigned long int count)
note_data->active = 1; note_data->active = 1;
} }
} else { } else {
KILL_NOTE: note_data->active = 0; note_data->active = 0;
{ {
struct _note *prev_note = NULL; struct _note *prev_note = NULL;
struct _note *nte_array = mdi->note; struct _note *nte_array = mdi->note;
@ -2417,10 +2412,7 @@ static int *WM_Mix_Gauss(midi * handle, int * buffer, unsigned long int count)
- note_data->sample->loop_start) - note_data->sample->loop_start)
% note_data->sample->loop_size); % note_data->sample->loop_size);
} else if (note_data->sample_pos >= note_data->sample->data_length) { } else if (note_data->sample_pos >= note_data->sample->data_length) {
if (note_data->replay == NULL) { goto END_THIS_NOTE;
goto KILL_NOTE;
}
goto RESTART_NOTE;
} }
} }
@ -2430,33 +2422,32 @@ static int *WM_Mix_Gauss(midi * handle, int * buffer, unsigned long int count)
} }
note_data->env_level += note_data->env_inc; note_data->env_level += note_data->env_inc;
if (note_data->env_level > 4194304) { if (note_data->env_inc < 0) {
note_data->env_level = if (note_data->env_level
note_data->sample->env_target[note_data->env]; > note_data->sample->env_target[note_data->env]) {
} note_data = note_data->next;
if ( continue;
((note_data->env_inc < 0) }
&& (note_data->env_level } else if (note_data->env_inc > 0) {
> note_data->sample->env_target[note_data->env])) if (note_data->env_level
|| ((note_data->env_inc > 0) < note_data->sample->env_target[note_data->env]) {
&& (note_data->env_level note_data = note_data->next;
< note_data->sample->env_target[note_data->env])) continue;
) { }
note_data = note_data->next;
continue;
} }
// Yes could have a condition here but
// it would create another bottleneck
note_data->env_level = note_data->env_level =
note_data->sample->env_target[note_data->env]; note_data->sample->env_target[note_data->env];
switch (note_data->env) { switch (note_data->env) {
case 0: case 0:
#if 0
if (!(note_data->modes & SAMPLE_ENVELOPE)) { if (!(note_data->modes & SAMPLE_ENVELOPE)) {
note_data->env_inc = 0; note_data->env_inc = 0;
note_data = note_data->next; note_data = note_data->next;
continue; continue;
} }
#endif
break; break;
case 2: case 2:
if (note_data->modes & SAMPLE_SUSTAIN) { if (note_data->modes & SAMPLE_SUSTAIN) {
@ -2478,7 +2469,7 @@ static int *WM_Mix_Gauss(midi * handle, int * buffer, unsigned long int count)
break; break;
case 5: case 5:
if (note_data->env_level == 0) { if (note_data->env_level == 0) {
goto KILL_NOTE; goto END_THIS_NOTE;
} }
/* sample release */ /* sample release */
if (note_data->modes & SAMPLE_LOOP) if (note_data->modes & SAMPLE_LOOP)
@ -2487,8 +2478,9 @@ static int *WM_Mix_Gauss(midi * handle, int * buffer, unsigned long int count)
note_data = note_data->next; note_data = note_data->next;
continue; continue;
case 6: case 6:
END_THIS_NOTE:
if (note_data->replay != NULL) { if (note_data->replay != NULL) {
RESTART_NOTE: note_data->active = 0; note_data->active = 0;
{ {
struct _note *prev_note = NULL; struct _note *prev_note = NULL;
struct _note *nte_array = mdi->note; struct _note *nte_array = mdi->note;
@ -2509,7 +2501,7 @@ static int *WM_Mix_Gauss(midi * handle, int * buffer, unsigned long int count)
note_data->active = 1; note_data->active = 1;
} }
} else { } else {
KILL_NOTE: note_data->active = 0; note_data->active = 0;
{ {
struct _note *prev_note = NULL; struct _note *prev_note = NULL;
struct _note *nte_array = mdi->note; struct _note *nte_array = mdi->note;