Add declarations for the sine tables used in wma.c (half window sizes: 128,

256, 512, 1024 and 2048) to mdct.c. Make them accessible via dsputil.h. Make
wma.c use these shared tables.

Originally committed as revision 14758 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 9 insertions, 0 deletions

diff --git a/libavcodec/mdct.c b/libavcodec/mdct.c
index f4e2a93a6a..2d49520a9f 100644
--- a/libavcodec/mdct.c
+++ b/libavcodec/mdct.c
@@ -48,6 +48,15 @@ void ff_kbd_window_init(float *window, float alpha, int n)
        window[i] = sqrt(local_window[i] / sum);
 }
 
+float ff_sine_128 [ 128];
+float ff_sine_256 [ 256];
+float ff_sine_512 [ 512];
+float ff_sine_1024[1024];
+float ff_sine_2048[2048];
+float *ff_sine_windows[5] = {
+    ff_sine_128, ff_sine_256, ff_sine_512, ff_sine_1024, ff_sine_2048,
+};
+
 // Generate a sine window.
 void ff_sine_window_init(float *window, int n) {
     int i;