[libav-devel] [PATCH 1/4] h264: arm: use intra pred8x8 functions only for chroma_format_idc <= 1

[Janne Grunau]

---
 libavcodec/arm/h264pred_init_arm.c | 30 ++++++++++++++++--------------
 1 file changed, 16 insertions(+), 14 deletions(-)

diff --git a/libavcodec/arm/h264pred_init_arm.c 
b/libavcodec/arm/h264pred_init_arm.c
index bbfe63f..a445d4d 100644
--- a/libavcodec/arm/h264pred_init_arm.c
+++ b/libavcodec/arm/h264pred_init_arm.c
@@ -54,20 +54,22 @@ static av_cold void h264_pred_init_neon(H264PredContext *h, 
int codec_id,
     if (high_depth)
         return;
 
-    h->pred8x8[VERT_PRED8x8     ] = ff_pred8x8_vert_neon;
-    h->pred8x8[HOR_PRED8x8      ] = ff_pred8x8_hor_neon;
-    if (codec_id != AV_CODEC_ID_VP7 && codec_id != AV_CODEC_ID_VP8)
-        h->pred8x8[PLANE_PRED8x8] = ff_pred8x8_plane_neon;
-    h->pred8x8[DC_128_PRED8x8   ] = ff_pred8x8_128_dc_neon;
-    if (codec_id != AV_CODEC_ID_RV40 && codec_id != AV_CODEC_ID_VP7 &&
-        codec_id != AV_CODEC_ID_VP8) {
-        h->pred8x8[DC_PRED8x8     ] = ff_pred8x8_dc_neon;
-        h->pred8x8[LEFT_DC_PRED8x8] = ff_pred8x8_left_dc_neon;
-        h->pred8x8[TOP_DC_PRED8x8 ] = ff_pred8x8_top_dc_neon;
-        h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8] = ff_pred8x8_l0t_dc_neon;
-        h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8] = ff_pred8x8_0lt_dc_neon;
-        h->pred8x8[ALZHEIMER_DC_L00_PRED8x8] = ff_pred8x8_l00_dc_neon;
-        h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8] = ff_pred8x8_0l0_dc_neon;
+    if (chroma_format_idc <= 1) {
+        h->pred8x8[VERT_PRED8x8     ] = ff_pred8x8_vert_neon;
+        h->pred8x8[HOR_PRED8x8      ] = ff_pred8x8_hor_neon;
+        if (codec_id != AV_CODEC_ID_VP7 && codec_id != AV_CODEC_ID_VP8)
+            h->pred8x8[PLANE_PRED8x8] = ff_pred8x8_plane_neon;
+        h->pred8x8[DC_128_PRED8x8   ] = ff_pred8x8_128_dc_neon;
+        if (codec_id != AV_CODEC_ID_RV40 && codec_id != AV_CODEC_ID_VP7 &&
+            codec_id != AV_CODEC_ID_VP8) {
+            h->pred8x8[DC_PRED8x8     ] = ff_pred8x8_dc_neon;
+            h->pred8x8[LEFT_DC_PRED8x8] = ff_pred8x8_left_dc_neon;
+            h->pred8x8[TOP_DC_PRED8x8 ] = ff_pred8x8_top_dc_neon;
+            h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8] = ff_pred8x8_l0t_dc_neon;
+            h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8] = ff_pred8x8_0lt_dc_neon;
+            h->pred8x8[ALZHEIMER_DC_L00_PRED8x8] = ff_pred8x8_l00_dc_neon;
+            h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8] = ff_pred8x8_0l0_dc_neon;
+        }
     }
 
     h->pred16x16[DC_PRED8x8     ] = ff_pred16x16_dc_neon;
-- 
2.4.5

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