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avfilter/vf_fade: fix color fading for planar rgb

This commit is contained in:
Paul B Mahol 2020-02-09 22:50:07 +01:00
parent 06db1bef4c
commit 1e6cef6861
1 changed files with 2 additions and 2 deletions
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4
libavfilter/vf_fade.c
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@ -221,8 +221,8 @@ static av_always_inline void filter_rgb_planar(FadeContext *s, const AVFrame *fr
uint8_t *pa = frame->data[3] + i * frame->linesize[3];
for (j = 0; j < frame->width; j++) {
#define INTERPP(c_name, c_idx) av_clip_uint8(((c[c_idx]<<16) + ((int)c_name - (int)c[c_idx]) * s->factor + (1<<15)) >> 16)
pr[j] = INTERPP(pr[j], 1);
pg[j] = INTERPP(pg[j], 0);
pr[j] = INTERPP(pr[j], 0);
pg[j] = INTERPP(pg[j], 1);
pb[j] = INTERPP(pb[j], 2);
if (do_alpha)
pa[j] = INTERPP(pa[j], 3);