1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/ppc/dsputil_ppc.c b/libavcodec/ppc/dsputil_ppc.c
index c52ea61805..5f131f3196 100644
--- a/libavcodec/ppc/dsputil_ppc.c
+++ b/libavcodec/ppc/dsputil_ppc.c
@@ -153,8 +153,11 @@ static void prefetch_ppc(void *mem, int stride, int h)
 
 void dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx)
 {
+    const int high_bit_depth = avctx->codec_id == CODEC_ID_H264 && avctx->bits_per_raw_sample > 8;
+
     // Common optimizations whether AltiVec is available or not
     c->prefetch = prefetch_ppc;
+    if (!high_bit_depth) {
     switch (check_dcbzl_effect()) {
         case 32:
             c->clear_blocks = clear_blocks_dcbz32_ppc;
@@ -165,6 +168,7 @@ void dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx)
         default:
             break;
     }
+    }
 
 #if HAVE_ALTIVEC
     if(CONFIG_H264_DECODER) dsputil_h264_init_ppc(c, avctx);