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/*

 * Copyright (c) 2020, 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 AOM_AV1_ENCODER_ENCODER_ALLOC_H_

#define AOM_AV1_ENCODER_ENCODER_ALLOC_H_

#include "av1/encoder/block.h"

#include "av1/encoder/encodeframe_utils.h"

#include "av1/encoder/encoder.h"

#include "av1/encoder/encodetxb.h"

#include "av1/encoder/ethread.h"

#include "av1/encoder/global_motion_facade.h"

#include "av1/encoder/intra_mode_search_utils.h"

#include "av1/encoder/pickcdef.h"

#ifdef __cplusplus

extern "C" {

#endif

static inline void dealloc_context_buffers_ext(

    MBMIExtFrameBufferInfo *mbmi_ext_info) {

  aom_free(mbmi_ext_info->frame_base);

  mbmi_ext_info->frame_base = NULL;

  mbmi_ext_info->alloc_size = 0;

static inline void alloc_context_buffers_ext(

    AV1_COMMON *cm, MBMIExtFrameBufferInfo *mbmi_ext_info) {

  const CommonModeInfoParams *const mi_params = &cm->mi_params;

  const int mi_alloc_size_1d = mi_size_wide[mi_params->mi_alloc_bsize];

  const int mi_alloc_rows =

      (mi_params->mi_rows + mi_alloc_size_1d - 1) / mi_alloc_size_1d;

  const int mi_alloc_cols =

      (mi_params->mi_cols + mi_alloc_size_1d - 1) / mi_alloc_size_1d;

  const int new_ext_mi_size = mi_alloc_rows * mi_alloc_cols;

  if (new_ext_mi_size > mbmi_ext_info->alloc_size) {

    dealloc_context_buffers_ext(mbmi_ext_info);

    CHECK_MEM_ERROR(

        cm, mbmi_ext_info->frame_base,

        aom_malloc(new_ext_mi_size * sizeof(*mbmi_ext_info->frame_base)));

    mbmi_ext_info->alloc_size = new_ext_mi_size;

  // The stride needs to be updated regardless of whether new allocation

  // happened or not.

  mbmi_ext_info->stride = mi_alloc_cols;

static inline void alloc_compressor_data(AV1_COMP *cpi) {

  AV1_COMMON *cm = &cpi->common;

  CommonModeInfoParams *const mi_params = &cm->mi_params;

  // Setup mi_params

  mi_params->set_mb_mi(mi_params, cm->width, cm->height,

                       cpi->sf.part_sf.default_min_partition_size);

  if (!is_stat_generation_stage(cpi)) av1_alloc_txb_buf(cpi);

  aom_free(cpi->td.mv_costs_alloc);

  cpi->td.mv_costs_alloc = NULL;

  // Avoid the memory allocation of 'mv_costs_alloc' for allintra encoding

  // mode.

  if (cpi->oxcf.kf_cfg.key_freq_max != 0) {

    CHECK_MEM_ERROR(cm, cpi->td.mv_costs_alloc,

                    (MvCosts *)aom_calloc(1, sizeof(*cpi->td.mv_costs_alloc)));

    cpi->td.mb.mv_costs = cpi->td.mv_costs_alloc;

  av1_setup_shared_coeff_buffer(cm->seq_params, &cpi->td.shared_coeff_buf,

                                cm->error);

  if (av1_setup_sms_tree(cpi, &cpi->td)) {

    aom_internal_error(cm->error, AOM_CODEC_MEM_ERROR,

                       "Failed to allocate SMS tree");

  cpi->td.firstpass_ctx =

      av1_alloc_pmc(cpi, BLOCK_16X16, &cpi->td.shared_coeff_buf);

  if (!cpi->td.firstpass_ctx)

    aom_internal_error(cm->error, AOM_CODEC_MEM_ERROR,

                       "Failed to allocate PICK_MODE_CONTEXT");

// Allocate mbmi buffers which are used to store mode information at block

// level.

static inline void alloc_mb_mode_info_buffers(AV1_COMP *const cpi) {

  AV1_COMMON *const cm = &cpi->common;

  if (av1_alloc_context_buffers(cm, cm->width, cm->height,

                                cpi->sf.part_sf.default_min_partition_size)) {

    aom_internal_error(cm->error, AOM_CODEC_MEM_ERROR,

                       "Failed to allocate context buffers");

  if (!is_stat_generation_stage(cpi))

    alloc_context_buffers_ext(cm, &cpi->mbmi_ext_info);

static inline void realloc_segmentation_maps(AV1_COMP *cpi) {

  AV1_COMMON *const cm = &cpi->common;

  CommonModeInfoParams *const mi_params = &cm->mi_params;

  // Create the encoder segmentation map and set all entries to 0

  aom_free(cpi->enc_seg.map);

  CHECK_MEM_ERROR(cm, cpi->enc_seg.map,

                  aom_calloc(mi_params->mi_rows * mi_params->mi_cols, 1));

  // Create a map used for cyclic background refresh.

  if (cpi->cyclic_refresh) av1_cyclic_refresh_free(cpi->cyclic_refresh);

  CHECK_MEM_ERROR(

      cm, cpi->cyclic_refresh,

      av1_cyclic_refresh_alloc(mi_params->mi_rows, mi_params->mi_cols));

  // Create a map used to mark inactive areas.

  aom_free(cpi->active_map.map);

  CHECK_MEM_ERROR(cm, cpi->active_map.map,

                  aom_calloc(mi_params->mi_rows * mi_params->mi_cols, 1));

static inline void alloc_obmc_buffers(OBMCBuffer *obmc_buffer,

                                      struct aom_internal_error_info *error) {

  AOM_CHECK_MEM_ERROR(

      error, obmc_buffer->wsrc,

      (int32_t *)aom_memalign(16, MAX_SB_SQUARE * sizeof(*obmc_buffer->wsrc)));

  AOM_CHECK_MEM_ERROR(

      error, obmc_buffer->mask,

      (int32_t *)aom_memalign(16, MAX_SB_SQUARE * sizeof(*obmc_buffer->mask)));

  AOM_CHECK_MEM_ERROR(

      error, obmc_buffer->above_pred,

      (uint8_t *)aom_memalign(

          16, MAX_MB_PLANE * MAX_SB_SQUARE * sizeof(*obmc_buffer->above_pred)));

  AOM_CHECK_MEM_ERROR(

      error, obmc_buffer->left_pred,

      (uint8_t *)aom_memalign(

          16, MAX_MB_PLANE * MAX_SB_SQUARE * sizeof(*obmc_buffer->left_pred)));

static inline void release_obmc_buffers(OBMCBuffer *obmc_buffer) {

  aom_free(obmc_buffer->mask);

  aom_free(obmc_buffer->above_pred);

  aom_free(obmc_buffer->left_pred);

  aom_free(obmc_buffer->wsrc);

  obmc_buffer->mask = NULL;

  obmc_buffer->above_pred = NULL;

  obmc_buffer->left_pred = NULL;

  obmc_buffer->wsrc = NULL;

static inline void alloc_compound_type_rd_buffers(

    struct aom_internal_error_info *error, CompoundTypeRdBuffers *const bufs) {

  AOM_CHECK_MEM_ERROR(

      error, bufs->pred0,

      (uint8_t *)aom_memalign(16, 2 * MAX_SB_SQUARE * sizeof(*bufs->pred0)));

  AOM_CHECK_MEM_ERROR(

      error, bufs->pred1,

      (uint8_t *)aom_memalign(16, 2 * MAX_SB_SQUARE * sizeof(*bufs->pred1)));

  AOM_CHECK_MEM_ERROR(

      error, bufs->residual1,

      (int16_t *)aom_memalign(32, MAX_SB_SQUARE * sizeof(*bufs->residual1)));

  AOM_CHECK_MEM_ERROR(

      error, bufs->diff10,

      (int16_t *)aom_memalign(32, MAX_SB_SQUARE * sizeof(*bufs->diff10)));

  AOM_CHECK_MEM_ERROR(error, bufs->tmp_best_mask_buf,

                      (uint8_t *)aom_malloc(2 * MAX_SB_SQUARE *

                                            sizeof(*bufs->tmp_best_mask_buf)));

static inline void release_compound_type_rd_buffers(

    CompoundTypeRdBuffers *const bufs) {

  aom_free(bufs->pred0);

  aom_free(bufs->pred1);

  aom_free(bufs->residual1);

  aom_free(bufs->diff10);

  aom_free(bufs->tmp_best_mask_buf);

  av1_zero(*bufs);  // Set all pointers to NULL for safety.

static inline void dealloc_compressor_data(AV1_COMP *cpi) {

  AV1_COMMON *const cm = &cpi->common;

  TokenInfo *token_info = &cpi->token_info;

  AV1EncRowMultiThreadInfo *const enc_row_mt = &cpi->mt_info.enc_row_mt;

  const int num_planes = av1_num_planes(cm);

  dealloc_context_buffers_ext(&cpi->mbmi_ext_info);

  aom_free(cpi->tile_data);

  cpi->tile_data = NULL;

  cpi->allocated_tiles = 0;

  enc_row_mt->allocated_tile_cols = 0;

  enc_row_mt->allocated_tile_rows = 0;

  // Delete sementation map

  aom_free(cpi->enc_seg.map);

  cpi->enc_seg.map = NULL;

  av1_cyclic_refresh_free(cpi->cyclic_refresh);

  cpi->cyclic_refresh = NULL;

  aom_free(cpi->active_map.map);

  cpi->active_map.map = NULL;

  aom_free(cpi->ssim_rdmult_scaling_factors);

  cpi->ssim_rdmult_scaling_factors = NULL;

  aom_free(cpi->tpl_rdmult_scaling_factors);

  cpi->tpl_rdmult_scaling_factors = NULL;

#if CONFIG_TUNE_VMAF

  aom_free(cpi->vmaf_info.rdmult_scaling_factors);

  cpi->vmaf_info.rdmult_scaling_factors = NULL;

  aom_close_vmaf_model(cpi->vmaf_info.vmaf_model);

#endif

#if CONFIG_TUNE_BUTTERAUGLI

  aom_free(cpi->butteraugli_info.rdmult_scaling_factors);

  cpi->butteraugli_info.rdmult_scaling_factors = NULL;

  aom_free_frame_buffer(&cpi->butteraugli_info.source);

  aom_free_frame_buffer(&cpi->butteraugli_info.resized_source);

#endif

#if CONFIG_SALIENCY_MAP

  aom_free(cpi->saliency_map);

  aom_free(cpi->sm_scaling_factor);

#endif

  release_obmc_buffers(&cpi->td.mb.obmc_buffer);

  aom_free(cpi->td.mv_costs_alloc);

  cpi->td.mv_costs_alloc = NULL;

  aom_free(cpi->td.dv_costs_alloc);

  cpi->td.dv_costs_alloc = NULL;

  aom_free(cpi->td.mb.sb_stats_cache);

  cpi->td.mb.sb_stats_cache = NULL;

  aom_free(cpi->td.mb.sb_fp_stats);

  cpi->td.mb.sb_fp_stats = NULL;

#if CONFIG_PARTITION_SEARCH_ORDER

  aom_free(cpi->td.mb.rdcost);

  cpi->td.mb.rdcost = NULL;

#endif

  av1_free_pc_tree_recursive(cpi->td.pc_root, num_planes, 0, 0,

                             cpi->sf.part_sf.partition_search_type);

  cpi->td.pc_root = NULL;

  for (int i = 0; i < 2; i++)

    for (int j = 0; j < 2; j++) {

      aom_free(cpi->td.mb.intrabc_hash_info.hash_value_buffer[i][j]);

      cpi->td.mb.intrabc_hash_info.hash_value_buffer[i][j] = NULL;

  av1_hash_table_destroy(&cpi->td.mb.intrabc_hash_info.intrabc_hash_table);

  aom_free(cm->tpl_mvs);

  cm->tpl_mvs = NULL;

  aom_free(cpi->td.pixel_gradient_info);

  cpi->td.pixel_gradient_info = NULL;

  aom_free(cpi->td.src_var_info_of_4x4_sub_blocks);

  cpi->td.src_var_info_of_4x4_sub_blocks = NULL;

  aom_free(cpi->td.vt64x64);

  cpi->td.vt64x64 = NULL;

  av1_free_pmc(cpi->td.firstpass_ctx, num_planes);

  cpi->td.firstpass_ctx = NULL;

  const int is_highbitdepth = cpi->tf_ctx.is_highbitdepth;

  // This call ensures that the buffers allocated by tf_alloc_and_reset_data()

  // in av1_temporal_filter() for single-threaded encode are freed in case an

  // error is encountered during temporal filtering (due to early termination

  // tf_dealloc_data() in av1_temporal_filter() would not be invoked).

  tf_dealloc_data(&cpi->td.tf_data, is_highbitdepth);

  // This call ensures that tpl_tmp_buffers for single-threaded encode are freed

  // in case of an error during tpl.

  tpl_dealloc_temp_buffers(&cpi->td.tpl_tmp_buffers);

  // This call ensures that the global motion (gm) data buffers for

  // single-threaded encode are freed in case of an error during gm.

  gm_dealloc_data(&cpi->td.gm_data);

  // This call ensures that CDEF search context buffers are deallocated in case

  // of an error during cdef search.

  av1_cdef_dealloc_data(cpi->cdef_search_ctx);

  aom_free(cpi->cdef_search_ctx);

  cpi->cdef_search_ctx = NULL;

  av1_dealloc_mb_data(&cpi->td.mb, num_planes);

  av1_dealloc_mb_wiener_var_pred_buf(&cpi->td);

  av1_free_txb_buf(cpi);

  av1_free_context_buffers(cm);

  aom_free_frame_buffer(&cpi->last_frame_uf);

#if !CONFIG_REALTIME_ONLY

  av1_free_restoration_buffers(cm);

  av1_free_firstpass_data(&cpi->firstpass_data);

#endif

  if (!is_stat_generation_stage(cpi)) {

    av1_free_cdef_buffers(cm, &cpi->ppi->p_mt_info.cdef_worker,

                          &cpi->mt_info.cdef_sync);

  for (int plane = 0; plane < num_planes; plane++) {

    aom_free(cpi->pick_lr_ctxt.rusi[plane]);

    cpi->pick_lr_ctxt.rusi[plane] = NULL;

  aom_free(cpi->pick_lr_ctxt.dgd_avg);

  cpi->pick_lr_ctxt.dgd_avg = NULL;

  aom_free_frame_buffer(&cpi->trial_frame_rst);

  aom_free_frame_buffer(&cpi->scaled_source);

  aom_free_frame_buffer(&cpi->scaled_last_source);

  aom_free_frame_buffer(&cpi->orig_source);

  aom_free_frame_buffer(&cpi->svc.source_last_TL0);

  free_token_info(token_info);

  av1_free_shared_coeff_buffer(&cpi->td.shared_coeff_buf);

  av1_free_sms_tree(&cpi->td);

  aom_free(cpi->td.mb.palette_buffer);

  release_compound_type_rd_buffers(&cpi->td.mb.comp_rd_buffer);

  aom_free(cpi->td.mb.tmp_conv_dst);

  for (int j = 0; j < 2; ++j) {

    aom_free(cpi->td.mb.tmp_pred_bufs[j]);

#if CONFIG_DENOISE && !CONFIG_REALTIME_ONLY

  if (cpi->denoise_and_model) {

    aom_denoise_and_model_free(cpi->denoise_and_model);

    cpi->denoise_and_model = NULL;

#endif

#if !CONFIG_REALTIME_ONLY

  if (cpi->film_grain_table) {

    aom_film_grain_table_free(cpi->film_grain_table);

    aom_free(cpi->film_grain_table);

    cpi->film_grain_table = NULL;

#endif

  if (cpi->ppi->use_svc) av1_free_svc_cyclic_refresh(cpi);

  aom_free(cpi->svc.layer_context);

  cpi->svc.layer_context = NULL;

  aom_free(cpi->consec_zero_mv);

  cpi->consec_zero_mv = NULL;

  cpi->consec_zero_mv_alloc_size = 0;

  aom_free(cpi->src_sad_blk_64x64);

  cpi->src_sad_blk_64x64 = NULL;

  aom_free(cpi->mb_weber_stats);

  cpi->mb_weber_stats = NULL;

  if (cpi->oxcf.enable_rate_guide_deltaq) {

    aom_free(cpi->prep_rate_estimates);

    cpi->prep_rate_estimates = NULL;

    aom_free(cpi->ext_rate_distribution);

    cpi->ext_rate_distribution = NULL;

  aom_free(cpi->mb_delta_q);

  cpi->mb_delta_q = NULL;

static inline void allocate_gradient_info_for_hog(AV1_COMP *cpi) {

  if (!is_gradient_caching_for_hog_enabled(cpi)) return;

  PixelLevelGradientInfo *pixel_gradient_info = cpi->td.pixel_gradient_info;

  if (!pixel_gradient_info) {

    const AV1_COMMON *const cm = &cpi->common;

    const int plane_types = PLANE_TYPES >> cm->seq_params->monochrome;

    CHECK_MEM_ERROR(

        cm, pixel_gradient_info,

        aom_malloc(sizeof(*pixel_gradient_info) * plane_types * MAX_SB_SQUARE));

    cpi->td.pixel_gradient_info = pixel_gradient_info;

  cpi->td.mb.pixel_gradient_info = pixel_gradient_info;

static inline void allocate_src_var_of_4x4_sub_block_buf(AV1_COMP *cpi) {

  if (!is_src_var_for_4x4_sub_blocks_caching_enabled(cpi)) return;

  Block4x4VarInfo *source_variance_info =

      cpi->td.src_var_info_of_4x4_sub_blocks;

  if (!source_variance_info) {

    const AV1_COMMON *const cm = &cpi->common;

    const BLOCK_SIZE sb_size = cm->seq_params->sb_size;

    const int mi_count_in_sb = mi_size_wide[sb_size] * mi_size_high[sb_size];

    CHECK_MEM_ERROR(cm, source_variance_info,

                    aom_malloc(sizeof(*source_variance_info) * mi_count_in_sb));

    cpi->td.src_var_info_of_4x4_sub_blocks = source_variance_info;

  cpi->td.mb.src_var_info_of_4x4_sub_blocks = source_variance_info;

static inline void variance_partition_alloc(AV1_COMP *cpi) {

  AV1_COMMON *const cm = &cpi->common;

  const int num_64x64_blocks = (cm->seq_params->sb_size == BLOCK_64X64) ? 1 : 4;

  if (cpi->td.vt64x64) {

    if (num_64x64_blocks != cpi->td.num_64x64_blocks) {

      aom_free(cpi->td.vt64x64);

      cpi->td.vt64x64 = NULL;

  if (!cpi->td.vt64x64) {

    CHECK_MEM_ERROR(cm, cpi->td.vt64x64,

                    aom_malloc(sizeof(*cpi->td.vt64x64) * num_64x64_blocks));

    cpi->td.num_64x64_blocks = num_64x64_blocks;

static inline YV12_BUFFER_CONFIG *realloc_and_scale_source(AV1_COMP *cpi,

                                                           int scaled_width,

                                                           int scaled_height) {

  AV1_COMMON *cm = &cpi->common;

  const int num_planes = av1_num_planes(cm);

  if (scaled_width == cpi->unscaled_source->y_crop_width &&

      scaled_height == cpi->unscaled_source->y_crop_height) {

    return cpi->unscaled_source;

  if (aom_realloc_frame_buffer(

          &cpi->scaled_source, scaled_width, scaled_height,

          cm->seq_params->subsampling_x, cm->seq_params->subsampling_y,

          cm->seq_params->use_highbitdepth, AOM_BORDER_IN_PIXELS,

          cm->features.byte_alignment, NULL, NULL, NULL, cpi->alloc_pyramid, 0))

    aom_internal_error(cm->error, AOM_CODEC_MEM_ERROR,

                       "Failed to reallocate scaled source buffer");

  assert(cpi->scaled_source.y_crop_width == scaled_width);

  assert(cpi->scaled_source.y_crop_height == scaled_height);

  if (!av1_resize_and_extend_frame_nonnormative(

          cpi->unscaled_source, &cpi->scaled_source,

          (int)cm->seq_params->bit_depth, num_planes))

    aom_internal_error(cm->error, AOM_CODEC_MEM_ERROR,

                       "Failed to reallocate buffers during resize");

  return &cpi->scaled_source;

// Deallocate allocated thread_data.

static inline void free_thread_data(AV1_PRIMARY *ppi) {

  PrimaryMultiThreadInfo *const p_mt_info = &ppi->p_mt_info;

  const int num_tf_workers =

      AOMMIN(p_mt_info->num_mod_workers[MOD_TF], p_mt_info->num_workers);

  const int num_tpl_workers =

      AOMMIN(p_mt_info->num_mod_workers[MOD_TPL], p_mt_info->num_workers);

  const int is_highbitdepth = ppi->seq_params.use_highbitdepth;

  const int num_planes = ppi->seq_params.monochrome ? 1 : MAX_MB_PLANE;

  for (int t = 1; t < p_mt_info->num_workers; ++t) {

    EncWorkerData *const thread_data = &p_mt_info->tile_thr_data[t];

    thread_data->td = thread_data->original_td;

    ThreadData *const td = thread_data->td;

    if (!td) continue;

    aom_free(td->tctx);

    aom_free(td->palette_buffer);

    aom_free(td->tmp_conv_dst);

    release_compound_type_rd_buffers(&td->comp_rd_buffer);

    for (int j = 0; j < 2; ++j) {

      aom_free(td->tmp_pred_bufs[j]);

    aom_free(td->pixel_gradient_info);

    aom_free(td->src_var_info_of_4x4_sub_blocks);

    release_obmc_buffers(&td->obmc_buffer);

    aom_free(td->vt64x64);

    for (int x = 0; x < 2; x++) {

      for (int y = 0; y < 2; y++) {

        aom_free(td->hash_value_buffer[x][y]);

        td->hash_value_buffer[x][y] = NULL;

    aom_free(td->mv_costs_alloc);

    td->mv_costs_alloc = NULL;

    aom_free(td->dv_costs_alloc);

    td->dv_costs_alloc = NULL;

    aom_free(td->counts);

    av1_free_pmc(td->firstpass_ctx, num_planes);

    td->firstpass_ctx = NULL;

    av1_free_shared_coeff_buffer(&td->shared_coeff_buf);

    av1_free_sms_tree(td);

    // This call ensures that the buffers allocated by tf_alloc_and_reset_data()

    // in prepare_tf_workers() for MT encode are freed in case an error is

    // encountered during temporal filtering (due to early termination

    // tf_dealloc_thread_data() in av1_tf_do_filtering_mt() would not be

    // invoked).

    if (t < num_tf_workers) tf_dealloc_data(&td->tf_data, is_highbitdepth);

    // This call ensures that tpl_tmp_buffers for MT encode are freed in case of

    // an error during tpl.

    if (t < num_tpl_workers) tpl_dealloc_temp_buffers(&td->tpl_tmp_buffers);

    // This call ensures that the buffers in gm_data for MT encode are freed in

    // case of an error during gm.

    gm_dealloc_data(&td->gm_data);

    av1_dealloc_mb_data(&td->mb, num_planes);

    aom_free(td->mb.sb_stats_cache);

    td->mb.sb_stats_cache = NULL;

    aom_free(td->mb.sb_fp_stats);

    td->mb.sb_fp_stats = NULL;

#if CONFIG_PARTITION_SEARCH_ORDER

    aom_free(td->mb.rdcost);

    td->mb.rdcost = NULL;

#endif

    av1_free_pc_tree_recursive(td->pc_root, num_planes, 0, 0, SEARCH_PARTITION);

    td->pc_root = NULL;

    av1_dealloc_mb_wiener_var_pred_buf(td);

    aom_free(td);

    thread_data->td = NULL;

    thread_data->original_td = NULL;

#ifdef __cplusplus

}  // extern "C"

#endif

#endif  // AOM_AV1_ENCODER_ENCODER_ALLOC_H_