summaryrefslogtreecommitdiff
path: root/libs/fluidsynth/src/fluid_lfo.h
diff options
context:
space:
mode:
Diffstat (limited to 'libs/fluidsynth/src/fluid_lfo.h')
-rw-r--r--libs/fluidsynth/src/fluid_lfo.h71
1 files changed, 37 insertions, 34 deletions
diff --git a/libs/fluidsynth/src/fluid_lfo.h b/libs/fluidsynth/src/fluid_lfo.h
index e9440cf526..b9a9ca6eaa 100644
--- a/libs/fluidsynth/src/fluid_lfo.h
+++ b/libs/fluidsynth/src/fluid_lfo.h
@@ -3,16 +3,16 @@
* Copyright (C) 2003 Peter Hanappe and others.
*
* This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public License
- * as published by the Free Software Foundation; either version 2 of
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU Library General Public
+ * You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA
@@ -21,50 +21,53 @@
#ifndef _FLUID_LFO_H
#define _FLUID_LFO_H
-#include "fluidsynth_priv.h"
+#include "fluid_sys.h"
typedef struct _fluid_lfo_t fluid_lfo_t;
-struct _fluid_lfo_t {
- fluid_real_t val; /* the current value of the LFO */
- unsigned int delay; /* the delay of the lfo in samples */
- fluid_real_t increment; /* the lfo frequency is converted to a per-buffer increment */
+struct _fluid_lfo_t
+{
+ fluid_real_t val; /* the current value of the LFO */
+ unsigned int delay; /* the delay of the lfo in samples */
+ fluid_real_t increment; /* the lfo frequency is converted to a per-buffer increment */
};
-static inline void
-fluid_lfo_reset(fluid_lfo_t* lfo)
+static FLUID_INLINE void
+fluid_lfo_reset(fluid_lfo_t *lfo)
{
- lfo->val = 0.0f;
+ lfo->val = 0.0f;
}
// These two cannot be inlined since they're used by event_dispatch
-void fluid_lfo_set_incr(fluid_lfo_t* lfo, fluid_real_t increment);
-void fluid_lfo_set_delay(fluid_lfo_t* lfo, unsigned int delay);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_lfo_set_incr);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_lfo_set_delay);
-static inline fluid_real_t
-fluid_lfo_get_val(fluid_lfo_t* lfo)
+static FLUID_INLINE fluid_real_t
+fluid_lfo_get_val(fluid_lfo_t *lfo)
{
- return lfo->val;
+ return lfo->val;
}
-static inline void
-fluid_lfo_calc(fluid_lfo_t* lfo, unsigned int cur_delay)
+static FLUID_INLINE void
+fluid_lfo_calc(fluid_lfo_t *lfo, unsigned int cur_delay)
{
- if (cur_delay < lfo->delay)
- return;
-
- lfo->val += lfo->increment;
-
- if (lfo->val > (fluid_real_t) 1.0)
- {
- lfo->increment = -lfo->increment;
- lfo->val = (fluid_real_t) 2.0 - lfo->val;
- }
- else if (lfo->val < (fluid_real_t) -1.0)
- {
- lfo->increment = -lfo->increment;
- lfo->val = (fluid_real_t) -2.0 - lfo->val;
- }
+ if(cur_delay < lfo->delay)
+ {
+ return;
+ }
+
+ lfo->val += lfo->increment;
+
+ if(lfo->val > (fluid_real_t) 1.0)
+ {
+ lfo->increment = -lfo->increment;
+ lfo->val = (fluid_real_t) 2.0 - lfo->val;
+ }
+ else if(lfo->val < (fluid_real_t) -1.0)
+ {
+ lfo->increment = -lfo->increment;
+ lfo->val = (fluid_real_t) -2.0 - lfo->val;
+ }
}