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sws: remove cliping in yuv2rgb code. 

This code should not be needed and it slows things down.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-04-15 23:38:42 +02:00
parent 689e59b7ff
commit 3be0c86b97
1 changed files with 0 additions and 15 deletions
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15
libswscale/output.c
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@ -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;