Merge changes If13946e4,I61a1814d,I2ca9aa3c,I44d91eaa

* changes:
  intrapred: protect functions w/CONFIG check
  vp9_noise_estimate: protect copy_frame w/CONFIG check
  vp8_cx_iface: delete 3 unused functions
  vp8: mark intra_prediction_down_copy inline

vp8/common/reconintra4x4.h

@@ -17,8 +17,8 @@
 extern "C" {
 #endif
 
-static void intra_prediction_down_copy(MACROBLOCKD *xd,
-                                       unsigned char *above_right_src)
+static INLINE void intra_prediction_down_copy(MACROBLOCKD *xd,
+                                              unsigned char *above_right_src)
 {
     int dst_stride = xd->dst.y_stride;
     unsigned char *above_right_dst = xd->dst.y_buffer - dst_stride + 16;

vp8/vp8_cx_iface.c

@@ -1162,31 +1162,6 @@ static vpx_image_t *vp8e_get_preview(vpx_codec_alg_priv_t *ctx)
         return NULL;
 }
 
-static vpx_codec_err_t vp8e_update_entropy(vpx_codec_alg_priv_t *ctx,
-                                           va_list args)
-{
-    int update = va_arg(args, int);
-    vp8_update_entropy(ctx->cpi, update);
-    return VPX_CODEC_OK;
-
-}
-
-static vpx_codec_err_t vp8e_update_reference(vpx_codec_alg_priv_t *ctx,
-                                             va_list args)
-{
-    int update = va_arg(args, int);
-    vp8_update_reference(ctx->cpi, update);
-    return VPX_CODEC_OK;
-}
-
-static vpx_codec_err_t vp8e_use_reference(vpx_codec_alg_priv_t *ctx,
-                                          va_list args)
-{
-    int reference_flag = va_arg(args, int);
-    vp8_use_as_reference(ctx->cpi, reference_flag);
-    return VPX_CODEC_OK;
-}
-
 static vpx_codec_err_t vp8e_set_frame_flags(vpx_codec_alg_priv_t *ctx,
                                             va_list args)
 {

vp9/encoder/vp9_noise_estimate.c

@@ -66,6 +66,7 @@ int enable_noise_estimation(VP9_COMP *const cpi) {
     return 0;
 }
 
+#if CONFIG_VP9_TEMPORAL_DENOISING
 static void copy_frame(YV12_BUFFER_CONFIG * const dest,
                        const YV12_BUFFER_CONFIG * const src) {
   int r;
@@ -81,6 +82,7 @@ static void copy_frame(YV12_BUFFER_CONFIG * const dest,
     srcbuf += src->y_stride;
   }
 }
+#endif  // CONFIG_VP9_TEMPORAL_DENOISING
 
 NOISE_LEVEL vp9_noise_estimate_extract_level(NOISE_ESTIMATE *const ne) {
   int noise_level = kLowLow;

vpx_dsp/intrapred.c

@@ -44,6 +44,7 @@ static INLINE void d207_predictor(uint8_t *dst, ptrdiff_t stride, int bs,
       dst[r * stride + c] = dst[(r + 1) * stride + c - 2];
 }
 
+#if CONFIG_MISC_FIXES
 static INLINE void d207e_predictor(uint8_t *dst, ptrdiff_t stride, int bs,
                                    const uint8_t *above, const uint8_t *left) {
   int r, c;
@@ -58,6 +59,7 @@ static INLINE void d207e_predictor(uint8_t *dst, ptrdiff_t stride, int bs,
     dst += stride;
   }
 }
+#endif  // CONFIG_MISC_FIXES
 
 static INLINE void d63_predictor(uint8_t *dst, ptrdiff_t stride, int bs,
                                  const uint8_t *above, const uint8_t *left) {
@@ -76,6 +78,7 @@ static INLINE void d63_predictor(uint8_t *dst, ptrdiff_t stride, int bs,
   }
 }
 
+#if CONFIG_MISC_FIXES
 static INLINE void d63e_predictor(uint8_t *dst, ptrdiff_t stride, int bs,
                                   const uint8_t *above, const uint8_t *left) {
   int r, c;
@@ -89,6 +92,7 @@ static INLINE void d63e_predictor(uint8_t *dst, ptrdiff_t stride, int bs,
     dst += stride;
   }
 }
+#endif  // CONFIG_MISC_FIXES
 
 static INLINE void d45_predictor(uint8_t *dst, ptrdiff_t stride, int bs,
                                  const uint8_t *above, const uint8_t *left) {
@@ -109,6 +113,7 @@ static INLINE void d45_predictor(uint8_t *dst, ptrdiff_t stride, int bs,
   }
 }
 
+#if CONFIG_MISC_FIXES
 static INLINE void d45e_predictor(uint8_t *dst, ptrdiff_t stride, int bs,
                                   const uint8_t *above, const uint8_t *left) {
   int r, c;
@@ -121,6 +126,7 @@ static INLINE void d45e_predictor(uint8_t *dst, ptrdiff_t stride, int bs,
     dst += stride;
   }
 }
+#endif  // CONFIG_MISC_FIXES
 
 static INLINE void d117_predictor(uint8_t *dst, ptrdiff_t stride, int bs,
                                   const uint8_t *above, const uint8_t *left) {