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From: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Date: Tue, 19 Jan 2021 20:35:29 +0100
Subject: Fix build on powerpc and ppc64
Upstream-Status: Inappropriate
RPI-Distro repo clones original ffmpeg and applies patches to enable
raspiberry pi support.
---
libswscale/ppc/yuv2rgb_altivec.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/libswscale/ppc/yuv2rgb_altivec.c b/libswscale/ppc/yuv2rgb_altivec.c
index 5365452..930ef6b 100644
--- a/libswscale/ppc/yuv2rgb_altivec.c
+++ b/libswscale/ppc/yuv2rgb_altivec.c
@@ -283,6 +283,16 @@ static inline void cvtyuvtoRGB(SwsContext *c, vector signed short Y,
* ------------------------------------------------------------------------------
*/
+#if !HAVE_VSX
+static inline vector unsigned char vec_xl(signed long long offset, const ubyte *addr)
+{
+ const vector unsigned char *v_addr = (const vector unsigned char *) (addr + offset);
+ vector unsigned char align_perm = vec_lvsl(offset, addr);
+
+ return (vector unsigned char) vec_perm(v_addr[0], v_addr[1], align_perm);
+}
+#endif /* !HAVE_VSX */
+
#define DEFCSP420_CVT(name, out_pixels) \
static int altivec_ ## name(SwsContext *c, const unsigned char **in, \
int *instrides, int srcSliceY, int srcSliceH, \
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