Remove VLA in ff_kbd_window_init, limit window size to 1024

Originally committed as revision 23755 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-24 09:42:34 +00:00
parent 796cea09b6
commit dd93649b71
2 changed files with 9 additions and 2 deletions
@@ -150,11 +150,16 @@ static inline void ff_mdct_calc(FFTContext *s, FFTSample *output,
    s->mdct_calc(s, output, input);
 }

+/**
+ * Maximum window size for ff_kbd_window_init.
+ */
+#define FF_KBD_WINDOW_MAX 1024
+
 /**
 * Generate a Kaiser-Bessel Derived Window.
 * @param   window  pointer to half window
 * @param   alpha   determines window shape
- * @param   n       size of half window
+ * @param   n       size of half window, max FF_KBD_WINDOW_MAX
 */
 void ff_kbd_window_init(float *window, float alpha, int n);