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avcodec/on2avc: use the matching AVTX context for the 512 sized iMDCT 

Improves the audio corruption regression caused by
6ba0aa1770 reported in ticket #10029.

There is still however a noticable audio glitch, so the FFT conversion to AVTX
probably also needs some modifications.

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2023-08-05 10:21:24 +02:00
parent c7bfc826c3
commit f296c76590
1 changed files with 1 additions and 1 deletions
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2
libavcodec/on2avc.c
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@ -700,7 +700,7 @@ static int on2avc_reconstruct_channel_ext(On2AVCContext *c, AVFrame *dst, int of
break;
case WINDOW_TYPE_EXT5:
c->wtf(c, buf, in, 512);
c->mdct_half_fn(c->mdct, buf + 512, in + 512, sizeof(float));
c->mdct_half_fn(c->mdct_half, buf + 512, in + 512, sizeof(float));
for (i = 0; i < 256; i++) {
FFSWAP(float, buf[i + 512], buf[1023 - i]);
}