From 3be0c86b97e50df62aadcf846caa2455fe42434c Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 15 Apr 2012 23:38:42 +0200 Subject: sws: remove cliping in yuv2rgb code. This code should not be needed and it slows things down. Signed-off-by: Michael Niedermayer --- libswscale/output.c | 15 --------------- 1 file changed, 15 deletions(-) diff --git a/libswscale/output.c b/libswscale/output.c index e431441379..c8365219f8 100644 --- a/libswscale/output.c +++ b/libswscale/output.c @@ -1022,11 +1022,6 @@ yuv2rgb_2_c_template(SwsContext *c, const int16_t *buf[2], *g = (c->table_gU[U + YUVRGB_TABLE_HEADROOM] + c->table_gV[V + YUVRGB_TABLE_HEADROOM]), *b = c->table_bU[U + YUVRGB_TABLE_HEADROOM]; - Y1 = av_clip_uint8(Y1); - Y2 = av_clip_uint8(Y2); - U = av_clip_uint8(U); - V = av_clip_uint8(V); - if (hasAlpha) { A1 = (abuf0[i * 2 ] * yalpha1 + abuf1[i * 2 ] * yalpha) >> 19; A2 = (abuf0[i * 2 + 1] * yalpha1 + abuf1[i * 2 + 1] * yalpha) >> 19; @@ -1060,11 +1055,6 @@ yuv2rgb_1_c_template(SwsContext *c, const int16_t *buf0, *g = (c->table_gU[U + YUVRGB_TABLE_HEADROOM] + c->table_gV[V + YUVRGB_TABLE_HEADROOM]), *b = c->table_bU[U + YUVRGB_TABLE_HEADROOM]; - Y1 = av_clip_uint8(Y1); - Y2 = av_clip_uint8(Y2); - U = av_clip_uint8(U); - V = av_clip_uint8(V); - if (hasAlpha) { A1 = abuf0[i * 2 ] * 255 + 16384 >> 15; A2 = abuf0[i * 2 + 1] * 255 + 16384 >> 15; @@ -1087,11 +1077,6 @@ yuv2rgb_1_c_template(SwsContext *c, const int16_t *buf0, *g = (c->table_gU[U + YUVRGB_TABLE_HEADROOM] + c->table_gV[V + YUVRGB_TABLE_HEADROOM]), *b = c->table_bU[U + YUVRGB_TABLE_HEADROOM]; - Y1 = av_clip_uint8(Y1); - Y2 = av_clip_uint8(Y2); - U = av_clip_uint8(U); - V = av_clip_uint8(V); - if (hasAlpha) { A1 = (abuf0[i * 2 ] + 64) >> 7; A2 = (abuf0[i * 2 + 1] + 64) >> 7; -- cgit v1.2.3