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-rw-r--r--libavcodec/cook.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/cook.c b/libavcodec/cook.c
index fa945ec841..6661ee4979 100644
--- a/libavcodec/cook.c
+++ b/libavcodec/cook.c
@@ -239,9 +239,9 @@ static int init_cook_mlt(COOKContext *q) {
return -1;
/* Initialize the MLT window: simple sine window. */
- alpha = M_PI / (2.0 * (float)mlt_size);
+ ff_sine_window_init(q->mlt_window, mlt_size);
for(j=0 ; j<mlt_size ; j++)
- q->mlt_window[j] = sin((j + 0.5) * alpha) * sqrt(2.0 / q->samples_per_channel);
+ q->mlt_window[j] *= sqrt(2.0 / q->samples_per_channel);
/* Initialize the MDCT. */
if (ff_mdct_init(&q->mdct_ctx, av_log2(mlt_size)+1, 1)) {