X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;f=wmadec_filter.c;h=b26ab3b57f1f4223c4f558a95206d4219bcb9139;hb=b6cb7e33fedf463ebb2c5cc0afe2f2a42f694f1e;hp=147779148540b85275440928f8e24b4d41932372;hpb=f670632702f9345964ea7f2e6da9b97a331e9165;p=paraslash.git

diff --git a/wmadec_filter.c b/wmadec_filter.c
index 14777914..b26ab3b5 100644
--- a/wmadec_filter.c
+++ b/wmadec_filter.c
@@ -19,7 +19,6 @@
 
 #include <sys/time.h>
 #include <inttypes.h>
-#include <math.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
@@ -132,6 +131,27 @@ struct private_wmadec_data {
 #define VLCBITS 9
 #define VLCMAX ((22+VLCBITS-1)/VLCBITS)
 
+DECLARE_ALIGNED(16, float, ff_sine_128[128]);
+DECLARE_ALIGNED(16, float, ff_sine_256[256]);
+DECLARE_ALIGNED(16, float, ff_sine_512[512]);
+DECLARE_ALIGNED(16, float, ff_sine_1024[1024]);
+DECLARE_ALIGNED(16, float, ff_sine_2048[2048]);
+DECLARE_ALIGNED(16, float, ff_sine_4096[4096]);
+
+static float *ff_sine_windows[6] = {
+	ff_sine_128, ff_sine_256, ff_sine_512, ff_sine_1024,
+	ff_sine_2048, ff_sine_4096
+};
+
+/* Generate a sine window. */
+static void sine_window_init(float *window, int n)
+{
+	int i;
+
+	for (i = 0; i < n; i++)
+		window[i] = sinf((i + 0.5) * (M_PI / (2.0 * n)));
+}
+
 static int wmadec_cleanup(struct private_wmadec_data *s)
 {
 	int i;
@@ -777,7 +797,6 @@ static int wma_decode_block(struct private_wmadec_data *s)
 
 	/* complex coding */
 	if (s->use_noise_coding) {
-
 		for (ch = 0; ch < s->ahi.channels; ch++) {
 			if (s->channel_coded[ch]) {
 				int i, m, a;