[FFmpeg-devel] [PATCH v2] swscale/ppc: disable YUV2RGB AltiVec acceleration

Sean McGovern gseanmcg at gmail.com
Sun Nov 24 21:01:48 EET 2024


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

Disable it by default.
Add '-DSWS_USE_ALTIVEC_YUV2RGB' to CPPFLAGS to re-enable it.
---
v2: rebased over top of the recent swscale changes from Nik Haas 
---
 libswscale/ppc/yuv2rgb_altivec.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libswscale/ppc/yuv2rgb_altivec.c b/libswscale/ppc/yuv2rgb_altivec.c
index 57574c4ab3..f44733a880 100644
--- a/libswscale/ppc/yuv2rgb_altivec.c
+++ b/libswscale/ppc/yuv2rgb_altivec.c
@@ -558,6 +558,7 @@ av_cold SwsFunc ff_yuv2rgb_init_ppc(SwsInternal *c)
         if ((c->opts.src_h & 0x1) != 0)
             return NULL;
 
+#ifdef SWS_USE_ALTIVEC_YUV2RGB
         switch (c->opts.dst_format) {
         case AV_PIX_FMT_RGB24:
             av_log(c, AV_LOG_WARNING, "ALTIVEC: Color Space RGB24\n");
@@ -579,6 +580,7 @@ av_cold SwsFunc ff_yuv2rgb_init_ppc(SwsInternal *c)
             return altivec_yuv2_bgra;
         default: return NULL;
         }
+#endif /* SWS_USE_ALTIVEC_YUV2RGB */
         break;
 
     case AV_PIX_FMT_UYVY422:
-- 
2.39.5



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