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-rw-r--r--src/blockshuffle~.c83
1 files changed, 53 insertions, 30 deletions
diff --git a/src/blockshuffle~.c b/src/blockshuffle~.c
index db2a0d6..81a433e 100644
--- a/src/blockshuffle~.c
+++ b/src/blockshuffle~.c
@@ -1,4 +1,4 @@
-/*
+/*
* blockshuffle~: shuffle a signal block
*
* (c) 1999-2011 IOhannes m zmölnig, forum::für::umläute, institute of electronic music and acoustics (iem)
@@ -7,12 +7,12 @@
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
- *
+ *
* This program 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 General Public License for more details.
- *
+ *
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -28,8 +28,8 @@
static t_class *blockshuffle_class;
-typedef struct _blockshuffle
-{ t_object x_obj;
+typedef struct _blockshuffle {
+ t_object x_obj;
t_sample*blockbuf;
t_int* indices;
@@ -39,37 +39,47 @@ typedef struct _blockshuffle
int shufflesize;
} t_blockshuffle;
-static void blockshuffle_buildindex(t_blockshuffle *x, int blocksize){
+static void blockshuffle_buildindex(t_blockshuffle *x, int blocksize)
+{
int i=0;
- if(blocksize!=x->size){
- if(x->indices)freebytes(x->indices, x->size);
- if(x->blockbuf)freebytes(x->blockbuf, x->size);
+ if(blocksize!=x->size) {
+ if(x->indices) {
+ freebytes(x->indices, x->size);
+ }
+ if(x->blockbuf) {
+ freebytes(x->blockbuf, x->size);
+ }
x->indices=getbytes (sizeof(t_int)*blocksize);
x->blockbuf=getbytes(sizeof(t_sample)*blocksize);
x->size=blocksize;
}
- for(i=0;i<x->shufflesize&&i<blocksize; i++){
+ for(i=0; i<x->shufflesize&&i<blocksize; i++) {
int idx=x->shuffle[i];
- if(idx>=blocksize)idx=blocksize-1;
- if(idx<0)idx=0;
+ if(idx>=blocksize) {
+ idx=blocksize-1;
+ }
+ if(idx<0) {
+ idx=0;
+ }
x->indices[i]=idx;
}
- for(;i<blocksize; i++){
+ for(; i<blocksize; i++) {
x->indices[i]=i;
}
}
-static void blockshuffle_list(t_blockshuffle *x, t_symbol*s, int argc, t_atom*argv)
+static void blockshuffle_list(t_blockshuffle *x, t_symbol*s, int argc,
+ t_atom*argv)
{
int i;
- if(x->shuffle){
+ if(x->shuffle) {
freebytes(x->shuffle, x->shufflesize);
x->shuffle=0;
}
x->shufflesize=argc;
x->shuffle=getbytes(sizeof(*x->shuffle)*argc);
- for(i=0; i<argc; i++){
+ for(i=0; i<argc; i++) {
x->shuffle[i]=atom_getfloat(argv++);
}
blockshuffle_buildindex(x, x->size);
@@ -85,16 +95,18 @@ static t_int *blockshuffle_perform(t_int *w)
t_sample *temp=x->blockbuf;
t_int *idx =x->indices;
- if(idx){
- for(i=0; i<n; i++){
+ if(idx) {
+ for(i=0; i<n; i++) {
temp[i]=in[idx[i]];
}
temp=x->blockbuf;
- for(i=0; i<n; i++){
+ for(i=0; i<n; i++) {
*out++=*temp++;
}
} else
- while(n--)*out++=*in++;
+ while(n--) {
+ *out++=*in++;
+ }
return (w+5);
}
@@ -103,7 +115,8 @@ static void blockshuffle_dsp(t_blockshuffle *x, t_signal **sp)
{
blockshuffle_buildindex(x, sp[0]->s_n);
- dsp_add(blockshuffle_perform, 4, x, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
+ dsp_add(blockshuffle_perform, 4, x, sp[0]->s_vec, sp[1]->s_vec,
+ sp[0]->s_n);
}
static void blockshuffle_helper(void)
@@ -113,10 +126,17 @@ static void blockshuffle_helper(void)
"signal~");
post("outlet : signal~");
}
-static void blockshuffle_free(t_blockshuffle *x){
- if(x->indices) freebytes(x->indices, sizeof(*x->indices) *x->size);
- if(x->blockbuf)freebytes(x->blockbuf, sizeof(*x->blockbuf)*x->size);
- if(x->shuffle) freebytes(x->shuffle, sizeof(*x->shuffle) *x->shufflesize);
+static void blockshuffle_free(t_blockshuffle *x)
+{
+ if(x->indices) {
+ freebytes(x->indices, sizeof(*x->indices) *x->size);
+ }
+ if(x->blockbuf) {
+ freebytes(x->blockbuf, sizeof(*x->blockbuf)*x->size);
+ }
+ if(x->shuffle) {
+ freebytes(x->shuffle, sizeof(*x->shuffle) *x->shufflesize);
+ }
}
static void *blockshuffle_new(void)
@@ -133,14 +153,17 @@ static void *blockshuffle_new(void)
void blockshuffle_tilde_setup(void)
{
- blockshuffle_class = class_new(gensym("blockshuffle~"), (t_newmethod)blockshuffle_new,
+ blockshuffle_class = class_new(gensym("blockshuffle~"),
+ (t_newmethod)blockshuffle_new,
(t_method)blockshuffle_free,
sizeof(t_blockshuffle), 0, A_NULL);
class_addmethod(blockshuffle_class, nullfn, gensym("signal"), 0);
- class_addmethod(blockshuffle_class, (t_method)blockshuffle_dsp, gensym("dsp"), 0);
-
+ class_addmethod(blockshuffle_class, (t_method)blockshuffle_dsp,
+ gensym("dsp"), 0);
+
class_addlist(blockshuffle_class, blockshuffle_list);
-
- class_addmethod(blockshuffle_class, (t_method)blockshuffle_helper, gensym("help"), 0);
+
+ class_addmethod(blockshuffle_class, (t_method)blockshuffle_helper,
+ gensym("help"), 0);
zexy_register("blockshuffle~");
}