Added cfg variable intra_smoothing_disabled and some cleanup

src/cfg.c

@@ -141,6 +141,8 @@ int kvz_config_init(kvz_config *cfg)
   cfg->max_merge = 5;
   cfg->early_skip = true;
 
+  cfg->intra_smoothing_disabled = false;
+
   return 1;
 }
 

src/encoder_state-bitstream.c

@@ -350,7 +350,7 @@ static void encoder_state_write_bitstream_SPS_extension(bitstream_t *stream,
     WRITE_U(stream, 1, 1, "implicit_rdpcm_enabled_flag");
     WRITE_U(stream, 0, 1, "explicit_rdpcm_enabled_flag");
     WRITE_U(stream, 0, 1, "extended_precision_processing_flag");
-    WRITE_U(stream, 0, 1, "intra_smoothing_disabled_flag");
+    WRITE_U(stream, state->encoder_control->cfg.intra_smoothing_disabled, 1, "intra_smoothing_disabled_flag");
     WRITE_U(stream, 0, 1, "high_precision_offsets_enabled_flag");
     WRITE_U(stream, 0, 1, "persistent_rice_adaptation_enabled_flag");
     WRITE_U(stream, 0, 1, "cabac_bypass_alignment_enabled_flag");

src/intra.c

@@ -119,8 +119,6 @@ int8_t kvz_intra_get_dir_luma_predictor(
       preds[5] = (left_intra_dir % mod) + 2;
     }
   } else { // If we have two distinct predictions
-    //preds[0] = left_intra_dir;
-    //preds[1] = above_intra_dir;
     number_of_candidates = 2;
     uint8_t max_cand_mode_idx = preds[0] > preds[1] ? 0 : 1;
     
@@ -238,6 +236,7 @@ static void intra_pred_dc(
 }
 
 void kvz_intra_predict(
+  encoder_state_t *const state,
   kvz_intra_references *refs,
   int_fast8_t log2_width,
   int_fast8_t mode,
@@ -246,9 +245,10 @@ void kvz_intra_predict(
   bool filter_boundary)
 {
   const int_fast8_t width = 1 << log2_width;
+  const kvz_config *cfg = &state->encoder_control->cfg;
 
   const kvz_intra_ref *used_ref = &refs->ref;
-  if (color != COLOR_Y || mode == 1 || width == 4) {
+  if (cfg->intra_smoothing_disabled || color != COLOR_Y || mode == 1 || width == 4) {
     // For chroma, DC and 4x4 blocks, always use unfiltered reference.
   } else if (mode == 0) {
     // Otherwise, use filtered for planar.
@@ -284,8 +284,8 @@ void kvz_intra_predict(
   }
 
   // pdpc
-  bool pdpcCondition = (mode == 0 || mode == 1 || mode == 18 || mode == 50);
+  //bool pdpcCondition = (mode == 0 || mode == 1 || mode == 18 || mode == 50);
-  if (pdpcCondition)
+  //if (pdpcCondition)
   {
     // TODO: replace latter log2_width with log2_height
     const int scale = ((log2_width - 2 + log2_width - 2 + 2) >> 2);
@@ -301,41 +301,6 @@ void kvz_intra_predict(
         }
       }
     }  
-    //else if (mode == 1) { // DC
-    //  for (int y = 0; y < width; y++) {
-    //    int wT = 32 >> MIN(31, ((y << 1) >> scale));
-    //    for (int x = 0; x < width; x++) {
-    //      int wL = 32 >> MIN(31, ((x << 1) >> scale));
-    //      int wTL = (wL >> 4) + (wT >> 4);
-    //      dst[x + y * width] = CLIP_TO_PIXEL((wL * used_ref->left[y + 1]
-    //        + wT * used_ref->top[x + 1]
-    //        - wTL * used_ref->top[0]
-    //        + (64 - wL - wT + wTL) * dst[x + y * width] + 32) >> 6);
-    //    }
-    //  }
-    //}
-    //else if (mode == 18) {  // horizontal
-    //  for (int y = 0; y < width; y++) {
-    //    int wT = 32 >> MIN(31, ((y << 1) >> scale));
-    //    for (int x = 0; x < width; x++) {
-    //      int wTL = wT;
-    //      dst[x + y * width] = CLIP_TO_PIXEL((wT * used_ref->top[x + 1]
-    //        - wTL * used_ref->top[0]
-    //        + (64 - wT + wTL) * dst[x + y * width] + 32) >> 6);
-    //    }
-    //  }
-    //}
-    //else if (mode == 50) {  // vertical
-    //  for (int y = 0; y < width; y++) {
-    //    for (int x = 0; x < width; x++) {
-    //      int wL = 32 >> MIN(31, ((x << 1) >> scale));
-    //      int wTL = wL;
-    //      dst[x + y * width] = CLIP_TO_PIXEL((wL * used_ref->left[y + 1]
-    //        - wTL * used_ref->top[0]
-    //        + (64 - wL + wTL) * dst[x + y * width] + 32) >> 6);
-    //    }
-    //  }
-    //}
   }
 }
 
@@ -628,7 +593,7 @@ static void intra_recon_tb_leaf(
 
   kvz_pixel pred[32 * 32];
   const bool filter_boundary = color == COLOR_Y && !(cfg->lossless && cfg->implicit_rdpcm);
-  kvz_intra_predict(&refs, log2width, intra_mode, color, pred, filter_boundary);
+  kvz_intra_predict(state, &refs, log2width, intra_mode, color, pred, filter_boundary);
 
   const int index = lcu_px.x + lcu_px.y * lcu_width;
   kvz_pixel *block = NULL;

src/intra.h

@@ -1,5 +1,4 @@
-#ifndef INTRA_H_
+#pragma once
-#define INTRA_H_
 /*****************************************************************************
  * This file is part of Kvazaar HEVC encoder.
  *
@@ -62,26 +61,6 @@ int8_t kvz_intra_get_dir_luma_predictor(
   const cu_info_t *const left_pu,
   const cu_info_t *const above_pu);
 
-#if KVZ_SEL_ENCRYPTION
-/**
-* \brief Function for deriving intra luma predictions with encryption
-* \param x          x-coordinate of the PU in pixels
-* \param y          y-coordinate of the PU in pixels
-* \param preds      output buffer for 3 predictions
-* \param cur_pu     PU to check
-* \param left_pu    PU to the left of cur_pu
-* \param above_pu   PU above cur_pu
-* \returns          1 if predictions are found, otherwise 0
-*/
-int8_t kvz_intra_get_dir_luma_predictor_encry(
-const uint32_t x,
-const uint32_t y,
-int8_t *preds,
-const cu_info_t *const cur_pu,
-const cu_info_t *const left_pu,
-const cu_info_t *const above_pu);
-#endif
-
 /**
 * \brief Generage angular predictions.
 * \param width    Width in pixels, range 4..32.
@@ -110,6 +89,7 @@ void kvz_intra_build_reference(
  * \param filter_boundary Whether to filter the boundary on modes 10 and 26.
  */
 void kvz_intra_predict(
+  encoder_state_t *const state,
   kvz_intra_references *refs,
   int_fast8_t log2_width,
   int_fast8_t mode,
@@ -127,4 +107,3 @@ void kvz_intra_recon_cu(
   cu_info_t *cur_cu,
   lcu_t *lcu);
 
-#endif

src/kvazaar.h

@@ -390,6 +390,9 @@ typedef struct kvz_config
   /** \brief Enable Early Skip Mode Decision */
   uint8_t early_skip;
 
+  /** \brief Disable intra smoothing when true */
+  uint8_t intra_smoothing_disabled;
+
 } kvz_config;
 
 /**

src/search_intra.c

@@ -341,7 +341,7 @@ static void search_intra_chroma_rough(encoder_state_t * const state,
   kvz_pixels_blit(orig_u, orig_block, width, width, origstride, width);
   for (int i = 0; i < 5; ++i) {
     if (modes[i] == luma_mode) continue;
-    kvz_intra_predict(refs_u, log2_width_c, modes[i], COLOR_U, pred, false);
+    kvz_intra_predict(state, refs_u, log2_width_c, modes[i], COLOR_U, pred, false);
     //costs[i] += get_cost(encoder_state, pred, orig_block, satd_func, sad_func, width);
     costs[i] += satd_func(pred, orig_block);
   }
@@ -349,7 +349,7 @@ static void search_intra_chroma_rough(encoder_state_t * const state,
   kvz_pixels_blit(orig_v, orig_block, width, width, origstride, width);
   for (int i = 0; i < 5; ++i) {
     if (modes[i] == luma_mode) continue;
-    kvz_intra_predict(refs_v, log2_width_c, modes[i], COLOR_V, pred, false);
+    kvz_intra_predict(state, refs_v, log2_width_c, modes[i], COLOR_V, pred, false);
     //costs[i] += get_cost(encoder_state, pred, orig_block, satd_func, sad_func, width);
     costs[i] += satd_func(pred, orig_block);
   }
@@ -436,7 +436,7 @@ static int8_t search_intra_rough(encoder_state_t * const state,
     double costs_out[PARALLEL_BLKS] = { 0 };
     for (int i = 0; i < PARALLEL_BLKS; ++i) {
       if (mode + i * offset <= 66) {
-        kvz_intra_predict(refs, log2_width, mode + i * offset, COLOR_Y, preds[i], filter_boundary);
+        kvz_intra_predict(state, refs, log2_width, mode + i * offset, COLOR_Y, preds[i], filter_boundary);
       }
     }
     
@@ -475,7 +475,7 @@ static int8_t search_intra_rough(encoder_state_t * const state,
       if (mode_in_range) {
         for (int i = 0; i < PARALLEL_BLKS; ++i) {
           if (test_modes[i] >= 2 && test_modes[i] <= 66) {
-            kvz_intra_predict(refs, log2_width, test_modes[i], COLOR_Y, preds[i], filter_boundary);
+            kvz_intra_predict(state, refs, log2_width, test_modes[i], COLOR_Y, preds[i], filter_boundary);
           }
         }
 
@@ -512,7 +512,7 @@ static int8_t search_intra_rough(encoder_state_t * const state,
     }
 
     if (!has_mode) {
-      kvz_intra_predict(refs, log2_width, mode, COLOR_Y, preds[0], filter_boundary);
+      kvz_intra_predict(state, refs, log2_width, mode, COLOR_Y, preds[0], filter_boundary);
       costs[modes_selected] = get_cost(state, preds[0], orig_block, satd_func, sad_func, width);
       modes[modes_selected] = mode;
       ++modes_selected;