Add FS #10214. Initial commit of the original PDa code for the GSoC Pure Data plugin project of Wincent Balin. Stripped some non-sourcefiles and added a rockbox readme that needs a bit more info from Wincent. Is added to CATEGORIES and viewers, but not yet to SUBDIRS (ie doesn't build yet)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21044 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 50 insertions, 0 deletions

diff --git a/apps/plugins/pdbox/PDa/src/makecostab.c b/apps/plugins/pdbox/PDa/src/makecostab.c
new file mode 100644
index 0000000000..9227ace16a
--- /dev/null
+++ b/apps/plugins/pdbox/PDa/src/makecostab.c
@@ -0,0 +1,50 @@
+#include "m_fixed.h"
+#include <math.h>
+
+#define ILOGCOSTABSIZE 15
+#define ICOSTABSIZE (1<<ILOGCOSTABSIZE)
+
+int main(int argc,char** argv)
+{
+    int i;
+    int *fp;
+    double phase, phsinc = (2. * M_PI) / ICOSTABSIZE;
+
+    printf("#define ILOGCOSTABSIZE 15\n");
+    printf("#define ICOSTABSIZE (1<<ILOGCOSTABSIZE)\n");
+    printf("static t_sample cos_table[] = {");
+    for (i = ICOSTABSIZE + 1,phase = 0; i--; phase += phsinc) {
+         printf("%d,",ftofix(cos(phase)));
+         //      post("costab %f %f",cos(phase),fixtof(*fp));
+
+    }
+    printf("0};\n");
+
+}
+
+
+#include "m_fixed.h"
+#include <math.h>
+
+#define ILOGCOSTABSIZE 15
+#define ICOSTABSIZE (1<<ILOGCOSTABSIZE)
+
+int main(int argc,char** argv)
+{
+    int i;
+    int *fp;
+    double phase, phsinc = (2. * M_PI) / ICOSTABSIZE;
+
+    printf("#define ILOGCOSTABSIZE 15\n");
+    printf("#define ICOSTABSIZE (1<<ILOGCOSTABSIZE)\n");
+    printf("static t_sample cos_table[] = {");
+    for (i = ICOSTABSIZE + 1,phase = 0; i--; phase += phsinc) {
+         printf("%d,",ftofix(cos(phase)));
+         //      post("costab %f %f",cos(phase),fixtof(*fp));
+
+    }
+    printf("0};\n");
+
+}
+
+