[FFmpeg-trac] #9077(swscale:open): Transparency wrong for yuv420 -> rgba on altivec
FFmpeg
trac at avcodec.org
Sat Jan 23 18:32:27 EET 2021
#9077: Transparency wrong for yuv420 -> rgba on altivec
-------------------------------------+-----------------------------------
Reporter: pocock | Owner:
Type: defect | Status: open
Priority: normal | Component: swscale
Version: git-master | Resolution:
Keywords: ppc altivec | Blocked By:
Blocking: | Reproduced by developer: 1
Analyzed by developer: 0 |
-------------------------------------+-----------------------------------
Comment (by cehoyos):
Feel free to test this change:
{{{
diff --git a/libswscale/ppc/yuv2rgb_altivec.c
b/libswscale/ppc/yuv2rgb_altivec.c
index 58e480d..eb6b3d7 100644
--- a/libswscale/ppc/yuv2rgb_altivec.c
+++ b/libswscale/ppc/yuv2rgb_altivec.c
@@ -425,13 +425,13 @@ static int altivec_ ## name(SwsContext *c, const
unsigned char **in, \
}
#define out_abgr(a, b, c, ptr) \
- vec_mstrgb32(__typeof__(a), ((__typeof__(a)) { 255 }), c, b, a, ptr)
+ vec_mstrgb32(__typeof__(a), ((__typeof__(a)) { 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }), c, b, a,
ptr)
#define out_bgra(a, b, c, ptr) \
- vec_mstrgb32(__typeof__(a), c, b, a, ((__typeof__(a)) { 255 }), ptr)
+ vec_mstrgb32(__typeof__(a), c, b, a, ((__typeof__(a)) { 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }),
ptr)
#define out_rgba(a, b, c, ptr) \
- vec_mstrgb32(__typeof__(a), a, b, c, ((__typeof__(a)) { 255 }), ptr)
+ vec_mstrgb32(__typeof__(a), a, b, c, ((__typeof__(a)) { 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }),
ptr)
#define out_argb(a, b, c, ptr) \
- vec_mstrgb32(__typeof__(a), ((__typeof__(a)) { 255 }), a, b, c, ptr)
+ vec_mstrgb32(__typeof__(a), ((__typeof__(a)) { 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }), a, b, c,
ptr)
#define out_rgb24(a, b, c, ptr) vec_mstrgb24(a, b, c, ptr)
#define out_bgr24(a, b, c, ptr) vec_mstbgr24(a, b, c, ptr)
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/9077#comment:4>
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