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swscale/input: Fix alpha of YA16 input 

Fixes Ticket4278

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 95d04690aa)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-01-21 20:14:34 +01:00
parent a45b8af839
commit b62b3e1a25
1 changed files with 6 additions and 2 deletions
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8
libswscale/input.c
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@ -1249,11 +1249,9 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
#endif
case AV_PIX_FMT_YA16LE:
c->lumToYV12 = read_ya16le_gray_c;
c->alpToYV12 = read_ya16le_alpha_c;
break;
case AV_PIX_FMT_YA16BE:
c->lumToYV12 = read_ya16be_gray_c;
c->alpToYV12 = read_ya16be_alpha_c;
break;
case AV_PIX_FMT_YUYV422:
case AV_PIX_FMT_YVYU422:
@ -1375,6 +1373,12 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
case AV_PIX_FMT_YA8:
c->alpToYV12 = uyvyToY_c;
break;
case AV_PIX_FMT_YA16LE:
c->alpToYV12 = read_ya16le_alpha_c;
break;
case AV_PIX_FMT_YA16BE:
c->alpToYV12 = read_ya16be_alpha_c;
break;
case AV_PIX_FMT_PAL8 :
c->alpToYV12 = palToA_c;
break;