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authorPhilip Langdale <philipl@overt.org>2019-05-09 21:02:09 -0700
committerPhilip Langdale <philipl@overt.org>2019-05-12 07:51:02 -0700
commitcd483180356c8f206f32393acc52a85c5b76758b (patch)
tree06d6ff23172861b896fe3de72b4a431192ed4522 /libswscale/ppc/swscale_altivec.c
parent5de4f1d871d60886b9630531fa8c34cad13cc9dd (diff)
swscale: Add support for NV24 and NV42
The implementation is pretty straight-forward. Most of the existing NV12 codepaths work regardless of subsampling and are re-used as is. Where necessary I wrote the slightly different NV24 versions. Finally, the one thing that confused me for a long time was the asm specific x86 path that did an explicit exclusion check for NV12. I replaced that with a semi-planar check and also updated the equivalent PPC code, which Lauri kindly checked.
Diffstat (limited to 'libswscale/ppc/swscale_altivec.c')
-rw-r--r--libswscale/ppc/swscale_altivec.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/libswscale/ppc/swscale_altivec.c b/libswscale/ppc/swscale_altivec.c
index 3cd9782da4..6b8cc2c194 100644
--- a/libswscale/ppc/swscale_altivec.c
+++ b/libswscale/ppc/swscale_altivec.c
@@ -247,8 +247,7 @@ av_cold void ff_sws_init_swscale_ppc(SwsContext *c)
if (c->srcBpc == 8 && c->dstBpc <= 14) {
c->hyScale = c->hcScale = hScale_real_altivec;
}
- if (!is16BPS(dstFormat) && !isNBPS(dstFormat) &&
- dstFormat != AV_PIX_FMT_NV12 && dstFormat != AV_PIX_FMT_NV21 &&
+ if (!is16BPS(dstFormat) && !isNBPS(dstFormat) && !isSemiPlanarYUV(dstFormat) &&
dstFormat != AV_PIX_FMT_GRAYF32BE && dstFormat != AV_PIX_FMT_GRAYF32LE &&
!c->needAlpha) {
c->yuv2planeX = yuv2planeX_altivec;