shithub: libvpx

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Merge "Clean up allow_partition_search_skip code" into main

--- a/vp9/encoder/vp9_encodeframe.c

+++ b/vp9/encoder/vp9_encodeframe.c

@@ -160,6 +160,7 @@

 #endif  // CONFIG_VP9_HIGHBITDEPTH

 #if !CONFIG_REALTIME_ONLY

+#if CONFIG_FP_MB_STATS

 static unsigned int get_sby_perpixel_diff_variance(VP9_COMP *cpi,

                                                    const struct buf_2d *ref,

                                                    int mi_row, int mi_col,

@@ -174,20 +175,8 @@

   var = cpi->fn_ptr[bs].vf(ref->buf, ref->stride, last_y, last->y_stride, &sse);

   return ROUND_POWER_OF_TWO(var, num_pels_log2_lookup[bs]);

 }

+#endif

-static BLOCK_SIZE get_rd_var_based_fixed_partition(VP9_COMP *cpi, MACROBLOCK *x,

-                                                   int mi_row, int mi_col) {

-  unsigned int var = get_sby_perpixel_diff_variance(

-      cpi, &x->plane[0].src, mi_row, mi_col, BLOCK_64X64);

-  if (var < 8)

-    return BLOCK_64X64;

-  else if (var < 128)

-    return BLOCK_32X32;

-  else if (var < 2048)

-    return BLOCK_16X16;

-  else

-    return BLOCK_8X8;

-}

 #endif  // !CONFIG_REALTIME_ONLY

 static void set_segment_index(VP9_COMP *cpi, MACROBLOCK *const x, int mi_row,

@@ -4702,13 +4691,6 @@

       const BLOCK_SIZE bsize =

           seg_skip ? BLOCK_64X64 : sf->always_this_block_size;

       set_offsets(cpi, tile_info, x, mi_row, mi_col, BLOCK_64X64);

-      set_fixed_partitioning(cpi, tile_info, mi, mi_row, mi_col, bsize);

-      rd_use_partition(cpi, td, tile_data, mi, tp, mi_row, mi_col, BLOCK_64X64,

-                       &dummy_rate, &dummy_dist, 1, td->pc_root);

-    } else if (cpi->partition_search_skippable_frame) {

-      BLOCK_SIZE bsize;

-      set_offsets(cpi, tile_info, x, mi_row, mi_col, BLOCK_64X64);

-      bsize = get_rd_var_based_fixed_partition(cpi, x, mi_row, mi_col);

       set_fixed_partitioning(cpi, tile_info, mi, mi_row, mi_col, bsize);

       rd_use_partition(cpi, td, tile_data, mi, tp, mi_row, mi_col, BLOCK_64X64,

                        &dummy_rate, &dummy_dist, 1, td->pc_root);

--- a/vp9/encoder/vp9_encoder.c

+++ b/vp9/encoder/vp9_encoder.c

@@ -2323,7 +2323,6 @@

   vp9_init_rd_parameters(cpi);

   init_frame_indexes(cm);

-  cpi->partition_search_skippable_frame = 0;

   cpi->tile_data = NULL;

   realloc_segmentation_maps(cpi);

--- a/vp9/encoder/vp9_encoder.h

+++ b/vp9/encoder/vp9_encoder.h

@@ -711,9 +711,6 @@

   TileDataEnc *tile_data;

   int allocated_tiles;  // Keep track of memory allocated for tiles.

-  // For a still frame, this flag is set to 1 to skip partition search.

-  int partition_search_skippable_frame;

-

   int scaled_ref_idx[REFS_PER_FRAME];

   int lst_fb_idx;

   int gld_fb_idx;

--- a/vp9/encoder/vp9_firstpass.c

+++ b/vp9/encoder/vp9_firstpass.c

@@ -3477,25 +3477,6 @@

   }

 }

-static int is_skippable_frame(const VP9_COMP *cpi) {

-  // If the current frame does not have non-zero motion vector detected in the

-  // first  pass, and so do its previous and forward frames, then this frame

-  // can be skipped for partition check, and the partition size is assigned

-  // according to the variance

-  const TWO_PASS *const twopass = &cpi->twopass;

-

-  return (!frame_is_intra_only(&cpi->common) &&

-          twopass->stats_in - 2 > twopass->stats_in_start &&

-          twopass->stats_in < twopass->stats_in_end &&

-          (twopass->stats_in - 1)->pcnt_inter -

-                  (twopass->stats_in - 1)->pcnt_motion ==

-              1 &&

-          (twopass->stats_in - 2)->pcnt_inter -

-                  (twopass->stats_in - 2)->pcnt_motion ==

-              1 &&

-          twopass->stats_in->pcnt_inter - twopass->stats_in->pcnt_motion == 1);

-}

-

 // Configure image size specific vizier parameters.

 // Later these will be set via additional command line options

 void vp9_init_vizier_params(TWO_PASS *const twopass, int screen_area) {

@@ -3593,13 +3574,6 @@

     cm->frame_type = INTER_FRAME;

-    // Do the firstpass stats indicate that this frame is skippable for the

-    // partition search?

-    if (cpi->sf.allow_partition_search_skip && cpi->oxcf.pass == 2 &&

-        !cpi->use_svc) {

-      cpi->partition_search_skippable_frame = is_skippable_frame(cpi);

-    }

-

     // The multiplication by 256 reverses a scaling factor of (>> 8)

     // applied when combining MB error values for the frame.

     twopass->mb_av_energy = log((this_frame.intra_error * 256.0) + 1.0);

@@ -3681,13 +3655,6 @@

   }

   vp9_configure_buffer_updates(cpi, gf_group->index);

-

-  // Do the firstpass stats indicate that this frame is skippable for the

-  // partition search?

-  if (cpi->sf.allow_partition_search_skip && cpi->oxcf.pass == 2 &&

-      !cpi->use_svc) {

-    cpi->partition_search_skippable_frame = is_skippable_frame(cpi);

-  }

   rc->base_frame_target = gf_group->bit_allocation[gf_group->index];

--- a/vp9/encoder/vp9_speed_features.c

+++ b/vp9/encoder/vp9_speed_features.c

@@ -345,7 +345,6 @@

     sf->intra_y_mode_mask[TX_32X32] = INTRA_DC;

     sf->intra_uv_mode_mask[TX_32X32] = INTRA_DC;

     sf->adaptive_interp_filter_search = 1;

-    sf->allow_partition_search_skip = 0;

     if (cpi->twopass.fr_content_type == FC_GRAPHICS_ANIMATION) {

       for (i = 0; i < MAX_MESH_STEP; ++i) {

@@ -931,7 +930,6 @@

   sf->max_delta_qindex = 0;

   sf->disable_filter_search_var_thresh = 0;

   sf->adaptive_interp_filter_search = 0;

-  sf->allow_partition_search_skip = 0;

   sf->allow_txfm_domain_distortion = 0;

   sf->tx_domain_thresh = 99.0;

   sf->allow_quant_coeff_opt = sf->optimize_coefficients;

--- a/vp9/encoder/vp9_speed_features.h

+++ b/vp9/encoder/vp9_speed_features.h

@@ -525,9 +525,6 @@

     int prune_rect_thresh[4];

   } rd_ml_partition;

-  // Allow skipping partition search for still image frame

-  int allow_partition_search_skip;

-

   // Fast approximation of vp9_model_rd_from_var_lapndz

   int simple_model_rd_from_var;