Changeset 5181:ca57e34b2a35 in roaraudio for libroardsp/filter_add.c

Timestamp:

10/22/11 16:17:35 (13 years ago)

Author:

phi

Branch:

default

Phase:

public

Message:

updated filters to support 8 and 32 bit as well as 16 bit

File:

• libroardsp/filter_add.c (modified) (1 diff)

libroardsp/filter_add.c

@@ -26 +26 @@
 #include "libroardsp.h"
 
-int roardsp_add_init  (struct roardsp_filter * filter, struct roar_stream * stream, int id) {
- struct roardsp_amp * self = roar_mm_malloc(sizeof(struct roardsp_amp));
-
- if ( self == NULL )
-  return -1;
-
- memset(self, 0, sizeof(struct roardsp_amp));
-
- filter->inst = (void*) self;
-
- roardsp_filter_reset(filter, ROARDSP_RESET_FULL);
-
- return 0;
+#define _calcX(bits) \
+int roardsp_add_calc##bits  (struct roardsp_filter * filter, void * data, size_t samples) { \
+ struct roardsp_amp * self = (struct roardsp_amp *) filter->inst; \
+ int##bits##_t * samp = (int##bits##_t *) data; \
+ size_t i; \
+\
+ for (i = 0; i < samples; i++) { \
+  samp[i] += self->mul / self->div; \
+ }; \
+\
+ return 0; \
 }
 
-int roardsp_add_calc16  (struct roardsp_filter * filter, void * data, size_t samples) {
- struct roardsp_amp * self = (struct roardsp_amp *) filter->inst;
- int16_t * samp = (int16_t *) data;
- size_t i;
-
- for (i = 0; i < samples; i++) {
-  samp[i] += self->mul / self->div;
- };
-
- return 0;
-}
+_calcX(8)
+_calcX(16)
+_calcX(32)
 
 int roardsp_add_reset (struct roardsp_filter * filter, int what) {