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| author | Robert Swain <robert.swain@gmail.com> | 2008-06-22 15:12:27 +0000 |
|---|---|---|
| committer | Robert Swain <robert.swain@gmail.com> | 2008-06-22 15:12:27 +0000 |
| commit | 9146e4d61c9de8fb86a7a9837705a0ad48fc547d (patch) | |
| tree | 9a388e3225b3b770b2c2f3a26767fca52cf19079 /libavcodec/cook.c | |
| parent | d47f16074ff4678d0ea968318354fc8ca6e0ba90 (diff) | |
Add generic ff_sine_window_init function and implement in codecs appropriately
Originally committed as revision 13888 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/cook.c')
| -rw-r--r-- | libavcodec/cook.c | 4 |
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)) { |