+++ /dev/null
-struct mdct_context;
-
-float *ff_sine_windows[6];
-void sine_window_init(float *window, int n);
-int mdct_init(int nbits, int inverse, struct mdct_context **result);
-void imdct(struct mdct_context *s, float *output, const float *input);
-void mdct_end(struct mdct_context *s);