avfilter/af_afir: do not over allocate fft buffer

ea3a980a · Paul B Mahol · 7f42276a · ea3a980a
Commit ea3a980a authored Dec 30, 2018 by Paul B Mahol
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af_afir.c libavfilter/af_afir.c +1 -1

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--- a/libavfilter/af_afir.c
+++ b/libavfilter/af_afir.c
@@ -326,7 +326,7 @@ static int init_segment(AVFilterContext *ctx, AudioFIRSegment *seg,
    if (!seg->rdft || !seg->irdft)
        return AVERROR(ENOMEM);

-    seg->fft_length    = part_size * 4 + 1;
+    seg->fft_length    = part_size * 2 + 1;
    seg->part_size     = part_size;
    seg->block_size    = FFALIGN(seg->fft_length, 32);
    seg->coeff_size    = FFALIGN(seg->part_size + 1, 32);