Remove VAR_BASED_PARTITION.

BUG=aomedia:526

Change-Id: I5d9b86a36f412ded2d6f20e198d2f4de4f97aaeb

aom_dsp/aom_dsp.cmake

@@ -327,7 +327,6 @@ if (CONFIG_AV1_ENCODER)
         "${AOM_ROOT}/aom_dsp/x86/quantize_avx_x86_64.asm")
 
     set(AOM_DSP_ENCODER_INTRIN_MSA
-        "${AOM_ROOT}/aom_dsp/mips/avg_msa.c"
         "${AOM_ROOT}/aom_dsp/mips/sad_msa.c"
         "${AOM_ROOT}/aom_dsp/mips/subtract_msa.c"
         "${AOM_ROOT}/aom_dsp/mips/variance_msa.c"

aom_dsp/aom_dsp.mk

@@ -302,7 +302,6 @@ endif
 DSP_SRCS-yes           += avg.c
 DSP_SRCS-$(HAVE_SSE2)  += x86/avg_intrin_sse2.c
 DSP_SRCS-$(HAVE_NEON)  += arm/avg_neon.c
-DSP_SRCS-$(HAVE_MSA)   += mips/avg_msa.c
 DSP_SRCS-$(HAVE_NEON)  += arm/hadamard_neon.c
 ifeq ($(ARCH_X86_64),yes)
 DSP_SRCS-$(HAVE_SSSE3) += x86/avg_ssse3_x86_64.asm

aom_dsp/aom_dsp_rtcd_defs.pl

@@ -617,13 +617,8 @@ if (aom_config("CONFIG_AV1_ENCODER") eq "yes") {
   #
   # Avg
   #
-  add_proto qw/unsigned int aom_avg_8x8/, "const uint8_t *, int p";
   specialize qw/aom_avg_8x8 sse2 neon msa/;
-  add_proto qw/unsigned int aom_avg_4x4/, "const uint8_t *, int p";
-  specialize qw/aom_avg_4x4 sse2 neon msa/;
   if (aom_config("CONFIG_HIGHBITDEPTH") eq "yes") {
-    add_proto qw/unsigned int aom_highbd_avg_8x8/, "const uint8_t *, int p";
-    add_proto qw/unsigned int aom_highbd_avg_4x4/, "const uint8_t *, int p";
     add_proto qw/void aom_highbd_subtract_block/, "int rows, int cols, int16_t *diff_ptr, ptrdiff_t diff_stride, const uint8_t *src_ptr, ptrdiff_t src_stride, const uint8_t *pred_ptr, ptrdiff_t pred_stride, int bd";
     specialize qw/aom_highbd_subtract_block sse2/;
   }

aom_dsp/arm/avg_neon.c

@@ -25,44 +25,6 @@ static INLINE unsigned int horizontal_add_u16x8(const uint16x8_t v_16x8) {
   return vget_lane_u32(c, 0);
 }
 
-unsigned int aom_avg_4x4_neon(const uint8_t *s, int p) {
-  uint16x8_t v_sum;
-  uint32x2_t v_s0 = vdup_n_u32(0);
-  uint32x2_t v_s1 = vdup_n_u32(0);
-  v_s0 = vld1_lane_u32((const uint32_t *)s, v_s0, 0);
-  v_s0 = vld1_lane_u32((const uint32_t *)(s + p), v_s0, 1);
-  v_s1 = vld1_lane_u32((const uint32_t *)(s + 2 * p), v_s1, 0);
-  v_s1 = vld1_lane_u32((const uint32_t *)(s + 3 * p), v_s1, 1);
-  v_sum = vaddl_u8(vreinterpret_u8_u32(v_s0), vreinterpret_u8_u32(v_s1));
-  return (horizontal_add_u16x8(v_sum) + 8) >> 4;
-}
-
-unsigned int aom_avg_8x8_neon(const uint8_t *s, int p) {
-  uint8x8_t v_s0 = vld1_u8(s);
-  const uint8x8_t v_s1 = vld1_u8(s + p);
-  uint16x8_t v_sum = vaddl_u8(v_s0, v_s1);
-
-  v_s0 = vld1_u8(s + 2 * p);
-  v_sum = vaddw_u8(v_sum, v_s0);
-
-  v_s0 = vld1_u8(s + 3 * p);
-  v_sum = vaddw_u8(v_sum, v_s0);
-
-  v_s0 = vld1_u8(s + 4 * p);
-  v_sum = vaddw_u8(v_sum, v_s0);
-
-  v_s0 = vld1_u8(s + 5 * p);
-  v_sum = vaddw_u8(v_sum, v_s0);
-
-  v_s0 = vld1_u8(s + 6 * p);
-  v_sum = vaddw_u8(v_sum, v_s0);
-
-  v_s0 = vld1_u8(s + 7 * p);
-  v_sum = vaddw_u8(v_sum, v_s0);
-
-  return (horizontal_add_u16x8(v_sum) + 32) >> 6;
-}
-
 // coeff: 16 bits, dynamic range [-32640, 32640].
 // length: value range {16, 64, 256, 1024}.
 int aom_satd_neon(const int16_t *coeff, int length) {

aom_dsp/avg.c

@@ -13,26 +13,6 @@
 #include "./aom_dsp_rtcd.h"
 #include "aom_ports/mem.h"
 
-unsigned int aom_avg_8x8_c(const uint8_t *src, int stride) {
-  int i, j;
-  int sum = 0;
-  for (i = 0; i < 8; ++i, src += stride)
-    for (j = 0; j < 8; sum += src[j], ++j) {
-    }
-
-  return ROUND_POWER_OF_TWO(sum, 6);
-}
-
-unsigned int aom_avg_4x4_c(const uint8_t *src, int stride) {
-  int i, j;
-  int sum = 0;
-  for (i = 0; i < 4; ++i, src += stride)
-    for (j = 0; j < 4; sum += src[j], ++j) {
-    }
-
-  return ROUND_POWER_OF_TWO(sum, 4);
-}
-
 // src_diff: first pass, 9 bit, dynamic range [-255, 255]
 //           second pass, 12 bit, dynamic range [-2040, 2040]
 static void hadamard_col8(const int16_t *src_diff, int src_stride,
@@ -192,28 +172,6 @@ void aom_minmax_8x8_c(const uint8_t *src, int src_stride, const uint8_t *ref,
 }
 
 #if CONFIG_HIGHBITDEPTH
-unsigned int aom_highbd_avg_8x8_c(const uint8_t *src, int stride) {
-  int i, j;
-  int sum = 0;
-  const uint16_t *s = CONVERT_TO_SHORTPTR(src);
-  for (i = 0; i < 8; ++i, s += stride)
-    for (j = 0; j < 8; sum += s[j], ++j) {
-    }
-
-  return ROUND_POWER_OF_TWO(sum, 6);
-}
-
-unsigned int aom_highbd_avg_4x4_c(const uint8_t *src, int stride) {
-  int i, j;
-  int sum = 0;
-  const uint16_t *s = CONVERT_TO_SHORTPTR(src);
-  for (i = 0; i < 4; ++i, s += stride)
-    for (j = 0; j < 4; sum += s[j], ++j) {
-    }
-
-  return ROUND_POWER_OF_TWO(sum, 4);
-}
-
 void aom_highbd_minmax_8x8_c(const uint8_t *s8, int p, const uint8_t *d8,
                              int dp, int *min, int *max) {
   int i, j;

aom_dsp/mips/avg_msa.c

-/*
- * Copyright (c) 2016, Alliance for Open Media. All rights reserved
- *
- * This source code is subject to the terms of the BSD 2 Clause License and
- * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
- * was not distributed with this source code in the LICENSE file, you can
- * obtain it at www.aomedia.org/license/software. If the Alliance for Open
- * Media Patent License 1.0 was not distributed with this source code in the
- * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
- */
-
-#include "./aom_dsp_rtcd.h"
-#include "aom_dsp/mips/macros_msa.h"
-
-uint32_t aom_avg_8x8_msa(const uint8_t *src, int32_t src_stride) {
-  uint32_t sum_out;
-  v16u8 src0, src1, src2, src3, src4, src5, src6, src7;
-  v8u16 sum0, sum1, sum2, sum3, sum4, sum5, sum6, sum7;
-  v4u32 sum = { 0 };
-
-  LD_UB8(src, src_stride, src0, src1, src2, src3, src4, src5, src6, src7);
-  HADD_UB4_UH(src0, src1, src2, src3, sum0, sum1, sum2, sum3);
-  HADD_UB4_UH(src4, src5, src6, src7, sum4, sum5, sum6, sum7);
-  ADD4(sum0, sum1, sum2, sum3, sum4, sum5, sum6, sum7, sum0, sum2, sum4, sum6);
-  ADD2(sum0, sum2, sum4, sum6, sum0, sum4);
-  sum0 += sum4;
-
-  sum = __msa_hadd_u_w(sum0, sum0);
-  sum0 = (v8u16)__msa_pckev_h((v8i16)sum, (v8i16)sum);
-  sum = __msa_hadd_u_w(sum0, sum0);
-  sum = (v4u32)__msa_srari_w((v4i32)sum, 6);
-  sum_out = __msa_copy_u_w((v4i32)sum, 0);
-
-  return sum_out;
-}
-
-uint32_t aom_avg_4x4_msa(const uint8_t *src, int32_t src_stride) {
-  uint32_t sum_out;
-  uint32_t src0, src1, src2, src3;
-  v16u8 vec = { 0 };
-  v8u16 sum0;
-  v4u32 sum1;
-  v2u64 sum2;
-
-  LW4(src, src_stride, src0, src1, src2, src3);
-  INSERT_W4_UB(src0, src1, src2, src3, vec);
-
-  sum0 = __msa_hadd_u_h(vec, vec);
-  sum1 = __msa_hadd_u_w(sum0, sum0);
-  sum0 = (v8u16)__msa_pckev_h((v8i16)sum1, (v8i16)sum1);
-  sum1 = __msa_hadd_u_w(sum0, sum0);
-  sum2 = __msa_hadd_u_d(sum1, sum1);
-  sum1 = (v4u32)__msa_srari_w((v4i32)sum2, 4);
-  sum_out = __msa_copy_u_w((v4i32)sum1, 0);
-
-  return sum_out;
-}

aom_dsp/x86/avg_intrin_sse2.c

@@ -94,52 +94,6 @@ void aom_minmax_8x8_sse2(const uint8_t *s, int p, const uint8_t *d, int dp,
   *min = _mm_extract_epi16(minabsdiff, 0);
 }
 
-unsigned int aom_avg_8x8_sse2(const uint8_t *s, int p) {
-  __m128i s0, s1, u0;
-  unsigned int avg = 0;
-  u0 = _mm_setzero_si128();
-  s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s)), u0);
-  s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + p)), u0);
-  s0 = _mm_adds_epu16(s0, s1);
-  s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 2 * p)), u0);
-  s0 = _mm_adds_epu16(s0, s1);
-  s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 3 * p)), u0);
-  s0 = _mm_adds_epu16(s0, s1);
-  s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 4 * p)), u0);
-  s0 = _mm_adds_epu16(s0, s1);
-  s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 5 * p)), u0);
-  s0 = _mm_adds_epu16(s0, s1);
-  s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 6 * p)), u0);
-  s0 = _mm_adds_epu16(s0, s1);
-  s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 7 * p)), u0);
-  s0 = _mm_adds_epu16(s0, s1);
-
-  s0 = _mm_adds_epu16(s0, _mm_srli_si128(s0, 8));
-  s0 = _mm_adds_epu16(s0, _mm_srli_epi64(s0, 32));
-  s0 = _mm_adds_epu16(s0, _mm_srli_epi64(s0, 16));
-  avg = _mm_extract_epi16(s0, 0);
-  return (avg + 32) >> 6;
-}
-
-unsigned int aom_avg_4x4_sse2(const uint8_t *s, int p) {
-  __m128i s0, s1, u0;
-  unsigned int avg = 0;
-
-  u0 = _mm_setzero_si128();
-  s0 = _mm_unpacklo_epi8(xx_loadl_32(s), u0);
-  s1 = _mm_unpacklo_epi8(xx_loadl_32(s + p), u0);
-  s0 = _mm_adds_epu16(s0, s1);
-  s1 = _mm_unpacklo_epi8(xx_loadl_32(s + 2 * p), u0);
-  s0 = _mm_adds_epu16(s0, s1);
-  s1 = _mm_unpacklo_epi8(xx_loadl_32(s + 3 * p), u0);
-  s0 = _mm_adds_epu16(s0, s1);
-
-  s0 = _mm_adds_epu16(s0, _mm_srli_si128(s0, 4));
-  s0 = _mm_adds_epu16(s0, _mm_srli_epi64(s0, 16));
-  avg = _mm_extract_epi16(s0, 0);
-  return (avg + 8) >> 4;
-}
-
 static void hadamard_col8_sse2(__m128i *in, int iter) {
   __m128i a0 = in[0];
   __m128i a1 = in[1];

av1/av1.cmake

@@ -145,9 +145,7 @@ set(AOM_AV1_ENCODER_SOURCES
     "${AOM_ROOT}/av1/encoder/tokenize.c"
     "${AOM_ROOT}/av1/encoder/tokenize.h"
     "${AOM_ROOT}/av1/encoder/treewriter.c"
-    "${AOM_ROOT}/av1/encoder/treewriter.h"
-    "${AOM_ROOT}/av1/encoder/variance_tree.c"
-    "${AOM_ROOT}/av1/encoder/variance_tree.h")
+    "${AOM_ROOT}/av1/encoder/treewriter.h")
 
 set(AOM_AV1_COMMON_INTRIN_SSE2
     "${AOM_ROOT}/av1/common/x86/idct_intrin_sse2.c")

av1/av1_cx.mk

@@ -23,8 +23,6 @@ AV1_CX_SRCS-yes += encoder/av1_quantize.h
 AV1_CX_SRCS-yes += encoder/bitstream.c
 AV1_CX_SRCS-yes += encoder/context_tree.c
 AV1_CX_SRCS-yes += encoder/context_tree.h
-AV1_CX_SRCS-yes += encoder/variance_tree.c
-AV1_CX_SRCS-yes += encoder/variance_tree.h
 AV1_CX_SRCS-yes += encoder/cost.h
 AV1_CX_SRCS-yes += encoder/cost.c
 AV1_CX_SRCS-yes += encoder/dct.c

av1/encoder/encodeframe.h

@@ -35,8 +35,6 @@ void av1_init_tile_data(struct AV1_COMP *cpi);
 void av1_encode_tile(struct AV1_COMP *cpi, struct ThreadData *td, int tile_row,
                      int tile_col);
 
-void av1_set_variance_partition_thresholds(struct AV1_COMP *cpi, int q);
-
 void av1_update_tx_type_count(const struct AV1Common *cm, MACROBLOCKD *xd,
 #if CONFIG_TXK_SEL
                               int block, int plane,

av1/encoder/encoder.c

@@ -483,7 +483,6 @@ static void dealloc_compressor_data(AV1_COMP *cpi) {
   cpi->tile_tok[0][0] = 0;
 
   av1_free_pc_tree(&cpi->td);
-  av1_free_var_tree(&cpi->td);
 
 #if CONFIG_PALETTE
   if (cpi->common.allow_screen_content_tools)
@@ -2588,7 +2587,6 @@ void av1_remove_compressor(AV1_COMP *cpi) {
 #endif  // CONFIG_PALETTE
       aom_free(thread_data->td->counts);
       av1_free_pc_tree(thread_data->td);
-      av1_free_var_tree(thread_data->td);
       aom_free(thread_data->td);
     }
   }
@@ -3963,7 +3961,6 @@ static void encode_without_recode_loop(AV1_COMP *cpi) {
     reset_use_upsampled_references(cpi);
 
   av1_set_quantizer(cm, q);
-  av1_set_variance_partition_thresholds(cpi, q);
   setup_frame(cpi);
   suppress_active_map(cpi);
 

av1/encoder/encoder.h

@@ -37,7 +37,6 @@
 #include "av1/encoder/rd.h"
 #include "av1/encoder/speed_features.h"
 #include "av1/encoder/tokenize.h"
-#include "av1/encoder/variance_tree.h"
 #if CONFIG_XIPHRC
 #include "av1/encoder/ratectrl_xiph.h"
 #endif
@@ -327,9 +326,6 @@ typedef struct ThreadData {
   PC_TREE *pc_tree;
   PC_TREE *pc_root[MAX_MIB_SIZE_LOG2 - MIN_MIB_SIZE_LOG2 + 1];
 
-  VAR_TREE *var_tree;
-  VAR_TREE *var_root[MAX_MIB_SIZE_LOG2 - MIN_MIB_SIZE_LOG2 + 1];
-
 #if CONFIG_PALETTE
   PALETTE_BUFFER *palette_buffer;
 #endif  // CONFIG_PALETTE
@@ -620,17 +616,6 @@ typedef struct AV1_COMP {
   int superres_pending;
 #endif  // CONFIG_FRAME_SUPERRES
 
-  // VAR_BASED_PARTITION thresholds
-  // 0 - threshold_128x128;
-  // 1 - threshold_64x64;
-  // 2 - threshold_32x32;
-  // 3 - threshold_16x16;
-  // 4 - threshold_8x8;
-  int64_t vbp_thresholds[5];
-  int64_t vbp_threshold_minmax;
-  int64_t vbp_threshold_sad;
-  BLOCK_SIZE vbp_bsize_min;
-
   // VARIANCE_AQ segment map refresh
   int vaq_refresh;
 

av1/encoder/ethread.c

@@ -93,10 +93,6 @@ void av1_encode_tiles_mt(AV1_COMP *cpi) {
         thread_data->td->pc_tree = NULL;
         av1_setup_pc_tree(cm, thread_data->td);
 
-        // Set up variance tree if needed.
-        if (cpi->sf.partition_search_type == VAR_BASED_PARTITION)
-          av1_setup_var_tree(cm, thread_data->td);
-
         // Allocate frame counters in thread data.
         CHECK_MEM_ERROR(cm, thread_data->td->counts,
                         aom_calloc(1, sizeof(*thread_data->td->counts)));

av1/encoder/rd.c

@@ -374,8 +374,7 @@ void av1_initialize_rd_consts(AV1_COMP *cpi) {
   if (cpi->oxcf.pass != 1) {
     av1_fill_token_costs(x->token_costs, cm->fc->coef_probs);
 
-    if (cpi->sf.partition_search_type != VAR_BASED_PARTITION ||
-        cm->frame_type == KEY_FRAME) {
+    if (cm->frame_type == KEY_FRAME) {
 #if CONFIG_EXT_PARTITION_TYPES
       for (i = 0; i < PARTITION_PLOFFSET; ++i)
         av1_cost_tokens(cpi->partition_cost[i], cm->fc->partition_prob[i],

av1/encoder/speed_features.h

@@ -195,11 +195,7 @@ typedef enum {
   // Always use a fixed size partition
   FIXED_PARTITION,
 
-  REFERENCE_PARTITION,
-
-  // Use an arbitrary partitioning scheme based on source variance within
-  // a 64X64 SB
-  VAR_BASED_PARTITION
+  REFERENCE_PARTITION
 } PARTITION_SEARCH_TYPE;
 
 typedef enum {

av1/encoder/variance_tree.c

-/*
- * Copyright (c) 2016, Alliance for Open Media. All rights reserved
- *
- * This source code is subject to the terms of the BSD 2 Clause License and
- * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
- * was not distributed with this source code in the LICENSE file, you can
- * obtain it at www.aomedia.org/license/software. If the Alliance for Open
- * Media Patent License 1.0 was not distributed with this source code in the
- * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
- */
-
-#include "av1/encoder/variance_tree.h"
-#include "av1/encoder/encoder.h"
-
-void av1_setup_var_tree(struct AV1Common *cm, ThreadData *td) {
-  int i, j;
-#if CONFIG_EXT_PARTITION
-  const int leaf_nodes = 1024;
-  const int tree_nodes = 1024 + 256 + 64 + 16 + 4 + 1;
-#else
-  const int leaf_nodes = 256;
-  const int tree_nodes = 256 + 64 + 16 + 4 + 1;
-#endif  // CONFIG_EXT_PARTITION
-  int index = 0;
-  VAR_TREE *this_var;
-  int nodes;
-
-  aom_free(td->var_tree);
-  CHECK_MEM_ERROR(cm, td->var_tree,
-                  aom_calloc(tree_nodes, sizeof(*td->var_tree)));
-
-  this_var = &td->var_tree[0];
-
-  // Sets up all the leaf nodes in the tree.
-  for (index = 0; index < leaf_nodes; ++index) {
-    VAR_TREE *const leaf = &td->var_tree[index];
-    leaf->split[0] = NULL;
-  }
-
-  // Each node has 4 leaf nodes, fill in the child pointers
-  // from leafs to the root.
-  for (nodes = leaf_nodes >> 2; nodes > 0; nodes >>= 2) {
-    for (i = 0; i < nodes; ++i, ++index) {
-      VAR_TREE *const node = &td->var_tree[index];
-      for (j = 0; j < 4; j++) node->split[j] = this_var++;
-    }
-  }
-
-  // Set up the root node for the largest superblock size
-  i = MAX_MIB_SIZE_LOG2 - MIN_MIB_SIZE_LOG2;
-  td->var_root[i] = &td->var_tree[tree_nodes - 1];
-  // Set up the root nodes for the rest of the possible superblock sizes
-  while (--i >= 0) {
-    td->var_root[i] = td->var_root[i + 1]->split[0];
-  }
-}
-
-void av1_free_var_tree(ThreadData *td) {
-  aom_free(td->var_tree);
-  td->var_tree = NULL;
-}

av1/encoder/variance_tree.h

-/*
- * Copyright (c) 2016, Alliance for Open Media. All rights reserved
- *
- * This source code is subject to the terms of the BSD 2 Clause License and
- * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
- * was not distributed with this source code in the LICENSE file, you can
- * obtain it at www.aomedia.org/license/software. If the Alliance for Open
- * Media Patent License 1.0 was not distributed with this source code in the
- * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
- */
-
-#ifndef AV1_ENCODER_VARIANCE_TREE_H_
-#define AV1_ENCODER_VARIANCE_TREE_H_
-
-#include <assert.h>
-
-#include "./aom_config.h"
-
-#include "aom/aom_integer.h"
-
-#include "av1/common/enums.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct AV1Common;
-struct ThreadData;
-
-typedef struct {
-  int64_t sum_square_error;
-  int64_t sum_error;
-  int log2_count;
-  int variance;
-} VAR;
-
-typedef struct {
-  VAR none;
-  VAR horz[2];
-  VAR vert[2];
-} partition_variance;
-
-typedef struct VAR_TREE {
-  int force_split;
-  partition_variance variances;
-  struct VAR_TREE *split[4];
-  BLOCK_SIZE bsize;
-  const uint8_t *src;
-  const uint8_t *ref;
-  int src_stride;
-  int ref_stride;
-  int width;
-  int height;
-#if CONFIG_HIGHBITDEPTH
-  int highbd;
-#endif  // CONFIG_HIGHBITDEPTH
-} VAR_TREE;
-
-void av1_setup_var_tree(struct AV1Common *cm, struct ThreadData *td);
-void av1_free_var_tree(struct ThreadData *td);
-
-// Set variance values given sum square error, sum error, count.
-static INLINE void fill_variance(int64_t s2, int64_t s, int c, VAR *v) {
-  v->sum_square_error = s2;
-  v->sum_error = s;
-  v->log2_count = c;
-  v->variance =
-      (int)(256 * (v->sum_square_error -
-                   ((v->sum_error * v->sum_error) >> v->log2_count)) >>
-            v->log2_count);
-}
-
-static INLINE void sum_2_variances(const VAR *a, const VAR *b, VAR *r) {
-  assert(a->log2_count == b->log2_count);
-  fill_variance(a->sum_square_error + b->sum_square_error,
-                a->sum_error + b->sum_error, a->log2_count + 1, r);
-}
-
-static INLINE void fill_variance_node(VAR_TREE *vt) {
-  sum_2_variances(&vt->split[0]->variances.none, &vt->split[1]->variances.none,
-                  &vt->variances.horz[0]);
-  sum_2_variances(&vt->split[2]->variances.none, &vt->split[3]->variances.none,
-                  &vt->variances.horz[1]);
-  sum_2_variances(&vt->split[0]->variances.none, &vt->split[2]->variances.none,
-                  &vt->variances.vert[0]);
-  sum_2_variances(&vt->split[1]->variances.none, &vt->split[3]->variances.none,
-                  &vt->variances.vert[1]);
-  sum_2_variances(&vt->variances.vert[0], &vt->variances.vert[1],
-                  &vt->variances.none);
-}
-
-#ifdef __cplusplus
-}  // extern "C"
-#endif
-
-#endif /* AV1_ENCODER_VARIANCE_TREE_H_ */

test/avg_test.cc

@@ -53,21 +53,6 @@ class AverageTestBase : public ::testing::Test {
     rnd_.Reset(ACMRandom::DeterministicSeed());
   }
 
-  // Sum Pixels
-  static unsigned int ReferenceAverage8x8(const uint8_t *source, int pitch) {
-    unsigned int average = 0;
-    for (int h = 0; h < 8; ++h)
-      for (int w = 0; w < 8; ++w) average += source[h * pitch + w];
-    return ((average + 32) >> 6);
-  }
-
-  static unsigned int ReferenceAverage4x4(const uint8_t *source, int pitch) {
-    unsigned int average = 0;
-    for (int h = 0; h < 4; ++h)
-      for (int w = 0; w < 4; ++w) average += source[h * pitch + w];
-    return ((average + 8) >> 4);
-  }
-
   void FillConstant(uint8_t fill_constant) {
     for (int i = 0; i < width_ * height_; ++i) {
       source_data_[i] = fill_constant;
@@ -86,35 +71,6 @@ class AverageTestBase : public ::testing::Test {
 
   ACMRandom rnd_;
 };
-typedef unsigned int (*AverageFunction)(const uint8_t *s, int pitch);
-
-typedef std::tr1::tuple<int, int, int, int, AverageFunction> AvgFunc;
-
-class AverageTest : public AverageTestBase,
-                    public ::testing::WithParamInterface<AvgFunc> {
- public:
-  AverageTest() : AverageTestBase(GET_PARAM(0), GET_PARAM(1)) {}
-
- protected:
-  void CheckAverages() {
-    const int block_size = GET_PARAM(3);
-    unsigned int expected = 0;
-    if (block_size == 8) {
-      expected =
-          ReferenceAverage8x8(source_data_ + GET_PARAM(2), source_stride_);
-    } else if (block_size == 4) {
-      expected =
-          ReferenceAverage4x4(source_data_ + GET_PARAM(2), source_stride_);
-    }
-
-    ASM_REGISTER_STATE_CHECK(
-        GET_PARAM(4)(source_data_ + GET_PARAM(2), source_stride_));
-    unsigned int actual =
-        GET_PARAM(4)(source_data_ + GET_PARAM(2), source_stride_);
-
-    EXPECT_EQ(expected, actual);
-  }
-};
 
 typedef void (*IntProRowFunc)(int16_t hbuf[16], uint8_t const *ref,
                               const int ref_stride, const int height);
@@ -229,25 +185,6 @@ class SatdTest : public ::testing::Test,
 
 uint8_t *AverageTestBase::source_data_ = NULL;
 
-TEST_P(AverageTest, MinValue) {
-  FillConstant(0);
-  CheckAverages();
-}
-
-TEST_P(AverageTest, MaxValue) {
-  FillConstant(255);
-  CheckAverages();