diff options
Diffstat (limited to 'deltas.c')
| -rw-r--r-- | deltas.c | 29 |
1 files changed, 17 insertions, 12 deletions
@@ -14,6 +14,7 @@ typedef struct _deltas float *m_buffer; // circular buffer
} t_deltas;
+static void deltas_set(t_deltas *x, t_float lo, t_float hi, t_float size);
static void deltas_perform_float(t_deltas *x, t_float f)
{
@@ -31,11 +32,12 @@ static void deltas_bang(t_deltas *x) float last;
float *buffer, *bp;
+ deltas_set(x, x->m_lo, x->m_hi, x->m_buffer_size);
lo=(int)x->m_lo;
hi=(int)x->m_hi;
n=hi-lo;
- size=x->m_buffer_size;
+ size=x->m_buffer_size;
index=x->m_buffer_index;
ap = (t_atom *)getbytes(sizeof(t_atom)*n);
app=ap;
@@ -114,37 +116,40 @@ static void deltas_set(t_deltas *x, t_float lo, t_float hi, t_float size) if (size<1)
{
size=1;
- post("deltas: size is minimum 1...");
+ logpost(x, 2, "[deltas]: minimum size is 1");
}
if (hi>size)
{
- post("deltas: higher bound cannot be higher than the buffer size...");
+ logpost(x, 2, "[deltas]: higher bound (%g) cannot be greater than the buffer size (%g)",
+ hi, size);
hi=size;
}
if (lo<0)
{
- post("deltas: lower bound cannot be negative...");
+ logpost(x, 2, "[deltas]: lower bound cannot be negative");
lo=0;
}
if (hi<1)
{
- post("deltas: higher bound cannot be smaller than one...");
+ logpost(x, 2, "[deltas]: higher bound cannot be smaller than one");
hi=1;
}
if (hi<=lo)
{
- post("deltas: higher bound must be higher than lower bound...");
+ logpost(x, 2, "[deltas]: higher bound (%g) must be greater than lower bound (%g)", hi, lo);
lo=hi-1.0f;
}
- freebytes(x->m_buffer, x->m_buffer_size);
-
x->m_hi=(float)((int)hi);
x->m_lo=(float)((int)lo);
- x->m_buffer_size=(int)size;
- x->m_buffer = (float*)getbytes(sizeof(float)*x->m_buffer_size);
- deltas_clear(x);
- x->m_buffer_index=0;
+ if (x->m_buffer_size != size)
+ {
+ freebytes(x->m_buffer, x->m_buffer_size);
+ x->m_buffer_size = (int)size;
+ x->m_buffer = (float*)getbytes(sizeof(float)*x->m_buffer_size);
+ deltas_clear(x);
+ x->m_buffer_index=0;
+ }
}
static void *deltas_new(t_float lo, t_float hi, t_float size)
|