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swscale/ppc: disable YUV2RGB AltiVec acceleration

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The FATE test 'checkasm-sw_yuv2rgb' currently fails on this platform,
in both little- and big-endian configurations with AltiVec enabled.

Disable it for the time being.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Sean McGovern 2024-11-28 14:52:16 -05:00 committed by Michael Niedermayer
parent 4cc1495aca
commit b9eaf6e05c
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GPG Key ID: B18E8928B3948D64
1 changed files with 8 additions and 0 deletions
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8
libswscale/ppc/yuv2rgb_altivec.c
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@ -558,6 +558,13 @@ av_cold SwsFunc ff_yuv2rgb_init_ppc(SwsInternal *c)
if ((c->opts.src_h & 0x1) != 0)
return NULL;
/*
* The below accelerations for YUV2RGB are known broken.
* See: 'fate-checkasm-sw_yuv2rgb' with --enable-altivec
* They are disabled for the moment, until such time as
* they can be repaired.
*/
#if 0
switch (c->opts.dst_format) {
case AV_PIX_FMT_RGB24:
av_log(c, AV_LOG_WARNING, "ALTIVEC: Color Space RGB24\n");
@ -579,6 +586,7 @@ av_cold SwsFunc ff_yuv2rgb_init_ppc(SwsInternal *c)
return altivec_yuv2_bgra;
default: return NULL;
}
#endif /* disabled YUV2RGB acceleration */
break;
case AV_PIX_FMT_UYVY422: