PPC: swscale: disable altivec functions for unsupported formats

Signed-off-by: Mans Rullgard <mans@mansr.com>

PPC: swscale: disable altivec functions for unsupported formats
Signed-off-by: Mans Rullgard <mans@mansr.com>
635930d4 · Mans Rullgard · 842f463c · 635930d4
Commit 635930d4 authored Jun 28, 2011 by Mans Rullgard
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swscale_altivec.c libswscale/ppc/swscale_altivec.c +3 -1

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--- a/libswscale/ppc/swscale_altivec.c
+++ b/libswscale/ppc/swscale_altivec.c
@@ -407,7 +407,9 @@ void ff_sws_init_swScale_altivec(SwsContext *c)
        return;

    c->hScale       = hScale_altivec_real;
-    if (!is16BPS(dstFormat) && !is9_OR_10BPS(dstFormat)) {
+    if (!is16BPS(dstFormat) && !is9_OR_10BPS(dstFormat) &&
+        dstFormat != PIX_FMT_NV12 && dstFormat != PIX_FMT_NV21 &&
+        !c->alpPixBuf) {
        c->yuv2yuvX     = yuv2yuvX_altivec_real;
    }