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vc1: Fix intensity compensation performance regression
Introduced by 28243b0d35b47bbf9abbd454fc444a6e0a9e7b71 Intensity compensation is always used once it was encountered, because v->next_use_ic is never set back to zero. Reset v->next_use_ic, when resetting v->next_luty/uv. Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
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@ -614,6 +614,10 @@ static void rotate_luts(VC1Context *v)
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INIT_LUT(32, 0, v->curr_luty[0], v->curr_lutuv[0], 0);
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INIT_LUT(32, 0, v->curr_luty[1], v->curr_lutuv[1], 0);
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v->curr_use_ic = 0;
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if (v->curr_luty == v->next_luty) {
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// If we just initialized next_lut, clear next_use_ic to match.
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v->next_use_ic = 0;
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}
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}
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int ff_vc1_parse_frame_header(VC1Context *v, GetBitContext* gb)
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