h264dec: h264: 4:2:2 intra decoding

[ffmpeg] / libavcodec / ppc / h264_altivec.c

diff --git a/libavcodec/ppc/h264_altivec.c b/libavcodec/ppc/h264_altivec.c
index 223971bd1a3fa3a6aeee1f76a703d3a31fd77b11..00fb0a73d95e2cf2d8b736c0a5ff9756efc89742 100644 (file)
--- a/libavcodec/ppc/h264_altivec.c
+++ b/libavcodec/ppc/h264_altivec.c
@@ -999,12 +999,13 @@ void dsputil_h264_init_ppc(DSPContext* c, AVCodecContext *avctx) {
     }
 }
 
-void ff_h264dsp_init_ppc(H264DSPContext *c, const int bit_depth)
+void ff_h264dsp_init_ppc(H264DSPContext *c, const int bit_depth, const int chroma_format_idc)
 {
     if (av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC) {
     if (bit_depth == 8) {
         c->h264_idct_add = ff_h264_idct_add_altivec;
-        c->h264_idct_add8 = ff_h264_idct_add8_altivec;
+        if (chroma_format_idc == 1)
+            c->h264_idct_add8 = ff_h264_idct_add8_altivec;
         c->h264_idct_add16 = ff_h264_idct_add16_altivec;
         c->h264_idct_add16intra = ff_h264_idct_add16intra_altivec;
         c->h264_idct_dc_add= h264_idct_dc_add_altivec;