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ffmpeg.wasm-core
Commit 71d9ae11 authored by Paul B Mahol's avatar Paul B Mahol
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avfilter/vf_signalstats: fix stack buffer overflow 

Fixes #8249
parent 0e68e8c9
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libavfilter/vf_signalstats.c
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......@@ -491,7 +491,7 @@ static int compute_sat_hue_metrics8(AVFilterContext *ctx, void *arg, int jobnr,
const int yuvu = p_u[i];
const int yuvv = p_v[i];
p_sat[i] = hypot(yuvu - 128, yuvv - 128); // int or round?
((int16_t*)p_hue)[i] = floor((180 / M_PI) * atan2f(yuvu-128, yuvv-128) + 180);
((int16_t*)p_hue)[i] = fmod(floor((180 / M_PI) * atan2f(yuvu-128, yuvv-128) + 180), 360.);
}
p_u += lsz_u;
p_v += lsz_v;
......@@ -530,7 +530,7 @@ static int compute_sat_hue_metrics16(AVFilterContext *ctx, void *arg, int jobnr,
const int yuvu = p_u[i];
const int yuvv = p_v[i];
p_sat[i] = hypot(yuvu - mid, yuvv - mid); // int or round?
((int16_t*)p_hue)[i] = floor((180 / M_PI) * atan2f(yuvu-mid, yuvv-mid) + 180);
((int16_t*)p_hue)[i] = fmod(floor((180 / M_PI) * atan2f(yuvu-mid, yuvv-mid) + 180), 360.);
}
p_u += lsz_u;
p_v += lsz_v;
......
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