Changeset 663:e9b7eeca0a38 in roaraudio for libroardsp/filter.c

Timestamp:

08/26/08 17:32:04 (16 years ago)

Author:

phi

Branch:

default

Phase:

public

Message:

done filterchain code, startet filter object code

File:

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

libroardsp/filter.c

@@ -25 +25 @@
 #include "libroardsp.h"
 
+int roardsp_filter_init  (struct roardsp_filter * filter, struct roar_stream * stream, int id) {
+ if ( filter == NULL )
+  return -1;
+
+ memset(filter, 0, sizeof(struct roardsp_filter));
+
+ filter->channels = stream->info.channels;
+ filter->bits     = stream->info.bits;
+
+ return -1;
+}
+
+int roardsp_filter_uninit(struct roardsp_filter * filter) {
+ int ret = 0;
+
+ if ( filter == NULL )
+  return -1;
+
+ if ( filter->uninit )
+  ret = filter->uninit(filter);
+
+ memset(filter, 0, sizeof(struct roardsp_filter));
+
+ return ret;
+}
+
+int roardsp_filter_calc  (struct roardsp_filter * filter, void * data, size_t len) {
+ int ret = 0;
+
+ if ( filter == NULL )
+  return -1;
+
+ if ( filter->calc )
+  ret = filter->calc(filter, data, len);
+
+ return ret;
+}
 
 //ll