From: Hui Su <huisu@google.com>
Date: Tue, 29 Jan 2019 18:43:32 +0000 (-0800)
Subject: Add some const qualifiers where applicable
X-Git-Tag: v1.8.1~279^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=866242bb09d76d2aa5e42e1e09bfa1a7a979cc99;p=libvpx

Add some const qualifiers where applicable

Change-Id: Ib820f625e0b616fd57a2722ec3614b4fccf307f8
---

diff --git a/vp9/common/vp9_blockd.h b/vp9/common/vp9_blockd.h
index f0887157e..e07a9f2d3 100644
--- a/vp9/common/vp9_blockd.h
+++ b/vp9/common/vp9_blockd.h
@@ -176,7 +176,7 @@ typedef struct macroblockd {
   FRAME_CONTEXT *fc;
 
   /* pointers to reference frames */
-  RefBuffer *block_refs[2];
+  const RefBuffer *block_refs[2];
 
   /* pointer to current frame */
   const YV12_BUFFER_CONFIG *cur_buf;
diff --git a/vp9/encoder/vp9_denoiser.c b/vp9/encoder/vp9_denoiser.c
index 2820b71b4..65ce15ff7 100644
--- a/vp9/encoder/vp9_denoiser.c
+++ b/vp9/encoder/vp9_denoiser.c
@@ -201,7 +201,7 @@ static VP9_DENOISER_DECISION perform_motion_compensation(
   int i;
   struct buf_2d saved_dst[MAX_MB_PLANE];
   struct buf_2d saved_pre[MAX_MB_PLANE];
-  RefBuffer *saved_block_refs[2];
+  const RefBuffer *saved_block_refs[2];
   MV_REFERENCE_FRAME saved_frame;
 
   frame = ctx->best_reference_frame;
diff --git a/vp9/encoder/vp9_encodeframe.c b/vp9/encoder/vp9_encodeframe.c
index 0edd02e5d..236567f94 100644
--- a/vp9/encoder/vp9_encodeframe.c
+++ b/vp9/encoder/vp9_encodeframe.c
@@ -3442,10 +3442,11 @@ static void ml_prune_rect_partition(VP9_COMP *const cpi, MACROBLOCK *const x,
 
 // Perform fast and coarse motion search for the given block. This is a
 // pre-processing step for the ML based partition search speedup.
-static void simple_motion_search(VP9_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bsize,
-                                 int mi_row, int mi_col, MV ref_mv,
-                                 MV_REFERENCE_FRAME ref, uint8_t *pred_buf) {
-  VP9_COMMON *const cm = &cpi->common;
+static void simple_motion_search(const VP9_COMP *const cpi, MACROBLOCK *const x,
+                                 BLOCK_SIZE bsize, int mi_row, int mi_col,
+                                 MV ref_mv, MV_REFERENCE_FRAME ref,
+                                 uint8_t *const pred_buf) {
+  const VP9_COMMON *const cm = &cpi->common;
   MACROBLOCKD *const xd = &x->e_mbd;
   MODE_INFO *const mi = xd->mi[0];
   const YV12_BUFFER_CONFIG *const yv12 = get_ref_frame_buffer(cpi, ref);
@@ -3483,11 +3484,12 @@ static void simple_motion_search(VP9_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bsize,
 // The model uses prediction residue variance and quantization step size as
 // input features.
 #define FEATURES 6
-static void ml_predict_var_rd_paritioning(VP9_COMP *cpi, MACROBLOCK *x,
-                                          PC_TREE *pc_tree, BLOCK_SIZE bsize,
-                                          int mi_row, int mi_col, int *none,
-                                          int *split) {
-  VP9_COMMON *const cm = &cpi->common;
+static void ml_predict_var_rd_paritioning(const VP9_COMP *const cpi,
+                                          MACROBLOCK *const x,
+                                          PC_TREE *const pc_tree,
+                                          BLOCK_SIZE bsize, int mi_row,
+                                          int mi_col, int *none, int *split) {
+  const VP9_COMMON *const cm = &cpi->common;
   const NN_CONFIG *nn_config = NULL;
 #if CONFIG_VP9_HIGHBITDEPTH
   MACROBLOCKD *xd = &x->e_mbd;
diff --git a/vp9/encoder/vp9_encoder.h b/vp9/encoder/vp9_encoder.h
index a690ebc73..1e1c6b715 100644
--- a/vp9/encoder/vp9_encoder.h
+++ b/vp9/encoder/vp9_encoder.h
@@ -947,8 +947,8 @@ static INLINE RefCntBuffer *get_ref_cnt_buffer(VP9_COMMON *cm, int fb_idx) {
 }
 
 static INLINE YV12_BUFFER_CONFIG *get_ref_frame_buffer(
-    VP9_COMP *cpi, MV_REFERENCE_FRAME ref_frame) {
-  VP9_COMMON *const cm = &cpi->common;
+    const VP9_COMP *const cpi, MV_REFERENCE_FRAME ref_frame) {
+  const VP9_COMMON *const cm = &cpi->common;
   const int buf_idx = get_ref_frame_buf_idx(cpi, ref_frame);
   return buf_idx != INVALID_IDX ? &cm->buffer_pool->frame_bufs[buf_idx].buf
                                 : NULL;
@@ -1027,7 +1027,7 @@ static INLINE int is_altref_enabled(const VP9_COMP *const cpi) {
          cpi->oxcf.enable_auto_arf;
 }
 
-static INLINE void set_ref_ptrs(VP9_COMMON *cm, MACROBLOCKD *xd,
+static INLINE void set_ref_ptrs(const VP9_COMMON *const cm, MACROBLOCKD *xd,
                                 MV_REFERENCE_FRAME ref0,
                                 MV_REFERENCE_FRAME ref1) {
   xd->block_refs[0] =
diff --git a/vp9/encoder/vp9_mcomp.c b/vp9/encoder/vp9_mcomp.c
index 602cc5798..63f7f9957 100644
--- a/vp9/encoder/vp9_mcomp.c
+++ b/vp9/encoder/vp9_mcomp.c
@@ -2487,7 +2487,8 @@ double vp9_full_pixel_diamond_new(const VP9_COMP *cpi, MACROBLOCK *x,
 /* do_refine: If last step (1-away) of n-step search doesn't pick the center
               point as the best match, we will do a final 1-away diamond
               refining search  */
-static int full_pixel_diamond(const VP9_COMP *cpi, MACROBLOCK *x, MV *mvp_full,
+static int full_pixel_diamond(const VP9_COMP *const cpi,
+                              const MACROBLOCK *const x, MV *mvp_full,
                               int step_param, int sadpb, int further_steps,
                               int do_refine, int *cost_list,
                               const vp9_variance_fn_ptr_t *fn_ptr,
@@ -2549,8 +2550,9 @@ static int full_pixel_diamond(const VP9_COMP *cpi, MACROBLOCK *x, MV *mvp_full,
 
 // Runs an limited range exhaustive mesh search using a pattern set
 // according to the encode speed profile.
-static int full_pixel_exhaustive(VP9_COMP *cpi, MACROBLOCK *x,
-                                 MV *centre_mv_full, int sadpb, int *cost_list,
+static int full_pixel_exhaustive(const VP9_COMP *const cpi,
+                                 const MACROBLOCK *const x, MV *centre_mv_full,
+                                 int sadpb, int *cost_list,
                                  const vp9_variance_fn_ptr_t *fn_ptr,
                                  const MV *ref_mv, MV *dst_mv) {
   const SPEED_FEATURES *const sf = &cpi->sf;
@@ -2812,13 +2814,13 @@ int vp9_refining_search_8p_c(const MACROBLOCK *x, MV *ref_mv, int error_per_bit,
   return best_sad;
 }
 
-int vp9_full_pixel_search(VP9_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bsize,
-                          MV *mvp_full, int step_param, int search_method,
-                          int error_per_bit, int *cost_list, const MV *ref_mv,
-                          MV *tmp_mv, int var_max, int rd) {
+int vp9_full_pixel_search(const VP9_COMP *const cpi, const MACROBLOCK *const x,
+                          BLOCK_SIZE bsize, MV *mvp_full, int step_param,
+                          int search_method, int error_per_bit, int *cost_list,
+                          const MV *ref_mv, MV *tmp_mv, int var_max, int rd) {
   const SPEED_FEATURES *const sf = &cpi->sf;
   const SEARCH_METHODS method = (SEARCH_METHODS)search_method;
-  vp9_variance_fn_ptr_t *fn_ptr = &cpi->fn_ptr[bsize];
+  const vp9_variance_fn_ptr_t *fn_ptr = &cpi->fn_ptr[bsize];
   int var = 0;
   int run_exhaustive_search = 0;
 
diff --git a/vp9/encoder/vp9_mcomp.h b/vp9/encoder/vp9_mcomp.h
index 779e8d8e7..da93c5d44 100644
--- a/vp9/encoder/vp9_mcomp.h
+++ b/vp9/encoder/vp9_mcomp.h
@@ -115,7 +115,8 @@ struct VP9_COMP;
 // "mvp_full" is the MV search starting point;
 // "ref_mv" is the context reference MV;
 // "tmp_mv" is the searched best MV.
-int vp9_full_pixel_search(struct VP9_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bsize,
+int vp9_full_pixel_search(const struct VP9_COMP *const cpi,
+                          const MACROBLOCK *const x, BLOCK_SIZE bsize,
                           MV *mvp_full, int step_param, int search_method,
                           int error_per_bit, int *cost_list, const MV *ref_mv,
                           MV *tmp_mv, int var_max, int rd);