av1/encoder/encoder_alloc.h - aom - Git at Google

 /*
  * 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/encoder.h"
 #include "av1/encoder/encodetxb.h"

 #ifdef __cplusplus
 extern "C" {
 #endif

 static AOM_INLINE void dealloc_context_buffers_ext(
     MBMIExtFrameBufferInfo *mbmi_ext_info) {
   if (mbmi_ext_info->frame_base) {
     aom_free(mbmi_ext_info->frame_base);
     mbmi_ext_info->frame_base = NULL;
     mbmi_ext_info->alloc_size = 0;
   }
 }

 static AOM_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_calloc(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 AOM_INLINE void alloc_compressor_data(AV1_COMP *cpi) {
   AV1_COMMON *cm = &cpi->common;
   TokenInfo *token_info = &cpi->token_info;

   if (av1_alloc_context_buffers(cm, cm->width, cm->height)) {
     aom_internal_error(cm->error, AOM_CODEC_MEM_ERROR,
                        "Failed to allocate context buffers");
   }

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

     alloc_context_buffers_ext(cm, &cpi->mbmi_ext_info);
   }

   free_token_info(token_info);

   if (!is_stat_generation_stage(cpi)) {
     alloc_token_info(cm, token_info);
   }
   if (cpi->td.mb.mv_costs) {
     aom_free(cpi->td.mb.mv_costs);
     cpi->td.mb.mv_costs = NULL;
   }
   CHECK_MEM_ERROR(cm, cpi->td.mb.mv_costs,
                   (MvCosts *)aom_calloc(1, sizeof(MvCosts)));

   if (cpi->td.mb.dv_costs) {
     aom_free(cpi->td.mb.dv_costs);
     cpi->td.mb.dv_costs = NULL;
   }
   CHECK_MEM_ERROR(cm, cpi->td.mb.dv_costs,
                   (IntraBCMVCosts *)aom_malloc(sizeof(*cpi->td.mb.dv_costs)));

   av1_setup_shared_coeff_buffer(&cpi->common, &cpi->td.shared_coeff_buf);
   av1_setup_sms_tree(cpi, &cpi->td);
   cpi->td.firstpass_ctx =
       av1_alloc_pmc(cpi, BLOCK_16X16, &cpi->td.shared_coeff_buf);
 }

 static AOM_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 AOM_INLINE void alloc_obmc_buffers(OBMCBuffer *obmc_buffer,
                                           AV1_COMMON *cm) {
   CHECK_MEM_ERROR(
       cm, obmc_buffer->wsrc,
       (int32_t *)aom_memalign(16, MAX_SB_SQUARE * sizeof(*obmc_buffer->wsrc)));
   CHECK_MEM_ERROR(
       cm, obmc_buffer->mask,
       (int32_t *)aom_memalign(16, MAX_SB_SQUARE * sizeof(*obmc_buffer->mask)));
   CHECK_MEM_ERROR(
       cm, obmc_buffer->above_pred,
       (uint8_t *)aom_memalign(
           16, MAX_MB_PLANE * MAX_SB_SQUARE * sizeof(*obmc_buffer->above_pred)));
   CHECK_MEM_ERROR(
       cm, obmc_buffer->left_pred,
       (uint8_t *)aom_memalign(
           16, MAX_MB_PLANE * MAX_SB_SQUARE * sizeof(*obmc_buffer->left_pred)));
 }

 static AOM_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 AOM_INLINE void alloc_compound_type_rd_buffers(
     AV1_COMMON *const cm, CompoundTypeRdBuffers *const bufs) {
   CHECK_MEM_ERROR(
       cm, bufs->pred0,
       (uint8_t *)aom_memalign(16, 2 * MAX_SB_SQUARE * sizeof(*bufs->pred0)));
   CHECK_MEM_ERROR(
       cm, bufs->pred1,
       (uint8_t *)aom_memalign(16, 2 * MAX_SB_SQUARE * sizeof(*bufs->pred1)));
   CHECK_MEM_ERROR(
       cm, bufs->residual1,
       (int16_t *)aom_memalign(32, MAX_SB_SQUARE * sizeof(*bufs->residual1)));
   CHECK_MEM_ERROR(
       cm, bufs->diff10,
       (int16_t *)aom_memalign(32, MAX_SB_SQUARE * sizeof(*bufs->diff10)));
   CHECK_MEM_ERROR(cm, bufs->tmp_best_mask_buf,
                   (uint8_t *)aom_malloc(2 * MAX_SB_SQUARE *
                                         sizeof(*bufs->tmp_best_mask_buf)));
 }

 static AOM_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 AOM_INLINE void dealloc_compressor_data(AV1_COMP *cpi) {
   AV1_COMMON *const cm = &cpi->common;
   TokenInfo *token_info = &cpi->token_info;

   dealloc_context_buffers_ext(&cpi->mbmi_ext_info);

   aom_free(cpi->tile_data);
   cpi->tile_data = NULL;

   // 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;

   aom_free(cpi->tpl_sb_rdmult_scaling_factors);
   cpi->tpl_sb_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

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

   if (cpi->td.mb.mv_costs) {
     aom_free(cpi->td.mb.mv_costs);
     cpi->td.mb.mv_costs = NULL;
   }

   if (cpi->td.mb.dv_costs) {
     aom_free(cpi->td.mb.dv_costs);
     cpi->td.mb.dv_costs = NULL;
   }

   aom_free(cpi->td.mb.inter_modes_info);
   cpi->td.mb.inter_modes_info = 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;
     }

   aom_free(cm->tpl_mvs);
   cm->tpl_mvs = NULL;

   if (cpi->td.vt64x64) {
     aom_free(cpi->td.vt64x64);
     cpi->td.vt64x64 = NULL;
   }

   av1_free_pmc(cpi->td.firstpass_ctx, av1_num_planes(cm));
   cpi->td.firstpass_ctx = NULL;

   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);
 #endif

   if (!is_stat_generation_stage(cpi))
     av1_free_cdef_buffers(cm, &cpi->mt_info.cdef_worker,
                           &cpi->mt_info.cdef_sync,
                           cpi->mt_info.num_mod_workers[MOD_CDEF]);

   aom_free_frame_buffer(&cpi->trial_frame_rst);
   aom_free_frame_buffer(&cpi->scaled_source);
   aom_free_frame_buffer(&cpi->scaled_last_source);

   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]);
   }
   aom_free(cpi->td.mb.pixel_gradient_info);

 #if CONFIG_DENOISE
   if (cpi->denoise_and_model) {
     aom_denoise_and_model_free(cpi->denoise_and_model);
     cpi->denoise_and_model = NULL;
   }
 #endif
   if (cpi->film_grain_table) {
     aom_film_grain_table_free(cpi->film_grain_table);
     cpi->film_grain_table = NULL;
   }

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

   if (cpi->consec_zero_mv) {
     aom_free(cpi->consec_zero_mv);
     cpi->consec_zero_mv = NULL;
   }
 }

 static AOM_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 AOM_INLINE void alloc_altref_frame_buffer(AV1_COMP *cpi) {
   AV1_COMMON *cm = &cpi->common;
   const SequenceHeader *const seq_params = cm->seq_params;
   const AV1EncoderConfig *oxcf = &cpi->oxcf;

   // When lag_in_frames <= 1, alt-ref frames are not enabled. In this case,
   // temporal filtering of key frames is disabled as well. Hence alt_ref_buffer
   // allocation is avoided.
   if (oxcf->gf_cfg.lag_in_frames <= 1) return;

   // TODO(agrange) Check if ARF is enabled and skip allocation if not.
   if (aom_realloc_frame_buffer(
           &cpi->ppi->alt_ref_buffer, oxcf->frm_dim_cfg.width,
           oxcf->frm_dim_cfg.height, seq_params->subsampling_x,
           seq_params->subsampling_y, seq_params->use_highbitdepth,
           cpi->oxcf.border_in_pixels, cm->features.byte_alignment, NULL, NULL,
           NULL, cpi->oxcf.tool_cfg.enable_global_motion))
     aom_internal_error(cm->error, AOM_CODEC_MEM_ERROR,
                        "Failed to allocate altref buffer");
 }

 static AOM_INLINE void alloc_util_frame_buffers(AV1_COMP *cpi) {
   AV1_COMMON *const cm = &cpi->common;
   const SequenceHeader *const seq_params = cm->seq_params;
   const int byte_alignment = cm->features.byte_alignment;
   if (aom_realloc_frame_buffer(
           &cpi->last_frame_uf, cm->width, cm->height, seq_params->subsampling_x,
           seq_params->subsampling_y, seq_params->use_highbitdepth,
           cpi->oxcf.border_in_pixels, byte_alignment, NULL, NULL, NULL, 0))
     aom_internal_error(cm->error, AOM_CODEC_MEM_ERROR,
                        "Failed to allocate last frame buffer");

   // The frame buffer trial_frame_rst is used during loop restoration filter
   // search. Hence it is allocated only when loop restoration is used.
   const int use_restoration = cm->seq_params->enable_restoration &&
                               !cm->features.all_lossless &&
                               !cm->tiles.large_scale;
   if (use_restoration) {
     if (aom_realloc_frame_buffer(
             &cpi->trial_frame_rst, cm->superres_upscaled_width,
             cm->superres_upscaled_height, seq_params->subsampling_x,
             seq_params->subsampling_y, seq_params->use_highbitdepth,
             AOM_RESTORATION_FRAME_BORDER, byte_alignment, NULL, NULL, NULL, 0))
       aom_internal_error(cm->error, AOM_CODEC_MEM_ERROR,
                          "Failed to allocate trial restored frame buffer");
   }

   if (aom_realloc_frame_buffer(
           &cpi->scaled_source, cm->width, cm->height, seq_params->subsampling_x,
           seq_params->subsampling_y, seq_params->use_highbitdepth,
           cpi->oxcf.border_in_pixels, byte_alignment, NULL, NULL, NULL,
           cpi->oxcf.tool_cfg.enable_global_motion))
     aom_internal_error(cm->error, AOM_CODEC_MEM_ERROR,
                        "Failed to allocate scaled source buffer");

   // The frame buffer cpi->scaled_last_source is used to hold the previous
   // source frame information. As the previous source frame buffer allocation in
   // the lookahead queue is avoided for all-intra frame encoding,
   // cpi->unscaled_last_source will be NULL in such cases. As
   // cpi->unscaled_last_source is NULL, cpi->scaled_last_source will not be used
   // for all-intra frame encoding. Hence, the buffer is allocated conditionally.
   if (cpi->oxcf.kf_cfg.key_freq_max > 0) {
     if (aom_realloc_frame_buffer(
             &cpi->scaled_last_source, cm->width, cm->height,
             seq_params->subsampling_x, seq_params->subsampling_y,
             seq_params->use_highbitdepth, cpi->oxcf.border_in_pixels,
             byte_alignment, NULL, NULL, NULL,
             cpi->oxcf.tool_cfg.enable_global_motion))
       aom_internal_error(cm->error, AOM_CODEC_MEM_ERROR,
                          "Failed to allocate scaled last source buffer");
   }
 }

 static AOM_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->oxcf.tool_cfg.enable_global_motion))
     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);
   av1_resize_and_extend_frame_nonnormative(
       cpi->unscaled_source, &cpi->scaled_source, (int)cm->seq_params->bit_depth,
       num_planes);
   return &cpi->scaled_source;
 }

 #ifdef __cplusplus
 }  // extern "C"
 #endif

 #endif  // AOM_AV1_ENCODER_ENCODER_ALLOC_H_
	/*
	* 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/encoder.h"
	#include "av1/encoder/encodetxb.h"

	#ifdef __cplusplus
	extern "C" {
	#endif

	static AOM_INLINE void dealloc_context_buffers_ext(
	MBMIExtFrameBufferInfo *mbmi_ext_info) {
	if (mbmi_ext_info->frame_base) {
	aom_free(mbmi_ext_info->frame_base);
	mbmi_ext_info->frame_base = NULL;
	mbmi_ext_info->alloc_size = 0;
	}
	}

	static AOM_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_calloc(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 AOM_INLINE void alloc_compressor_data(AV1_COMP *cpi) {
	AV1_COMMON *cm = &cpi->common;
	TokenInfo *token_info = &cpi->token_info;

	if (av1_alloc_context_buffers(cm, cm->width, cm->height)) {
	aom_internal_error(cm->error, AOM_CODEC_MEM_ERROR,
	"Failed to allocate context buffers");
	}

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

	alloc_context_buffers_ext(cm, &cpi->mbmi_ext_info);
	}

	free_token_info(token_info);

	if (!is_stat_generation_stage(cpi)) {
	alloc_token_info(cm, token_info);
	}
	if (cpi->td.mb.mv_costs) {
	aom_free(cpi->td.mb.mv_costs);
	cpi->td.mb.mv_costs = NULL;
	}
	CHECK_MEM_ERROR(cm, cpi->td.mb.mv_costs,
	(MvCosts *)aom_calloc(1, sizeof(MvCosts)));

	if (cpi->td.mb.dv_costs) {
	aom_free(cpi->td.mb.dv_costs);
	cpi->td.mb.dv_costs = NULL;
	}
	CHECK_MEM_ERROR(cm, cpi->td.mb.dv_costs,
	(IntraBCMVCosts )aom_malloc(sizeof(cpi->td.mb.dv_costs)));

	av1_setup_shared_coeff_buffer(&cpi->common, &cpi->td.shared_coeff_buf);
	av1_setup_sms_tree(cpi, &cpi->td);
	cpi->td.firstpass_ctx =
	av1_alloc_pmc(cpi, BLOCK_16X16, &cpi->td.shared_coeff_buf);
	}

	static AOM_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 AOM_INLINE void alloc_obmc_buffers(OBMCBuffer *obmc_buffer,
	AV1_COMMON *cm) {
	CHECK_MEM_ERROR(
	cm, obmc_buffer->wsrc,
	(int32_t )aom_memalign(16, MAX_SB_SQUARE sizeof(*obmc_buffer->wsrc)));
	CHECK_MEM_ERROR(
	cm, obmc_buffer->mask,
	(int32_t )aom_memalign(16, MAX_SB_SQUARE sizeof(*obmc_buffer->mask)));
	CHECK_MEM_ERROR(
	cm, obmc_buffer->above_pred,
	(uint8_t *)aom_memalign(
	16, MAX_MB_PLANE * MAX_SB_SQUARE * sizeof(*obmc_buffer->above_pred)));
	CHECK_MEM_ERROR(
	cm, obmc_buffer->left_pred,
	(uint8_t *)aom_memalign(
	16, MAX_MB_PLANE * MAX_SB_SQUARE * sizeof(*obmc_buffer->left_pred)));
	}

	static AOM_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 AOM_INLINE void alloc_compound_type_rd_buffers(
	AV1_COMMON const cm, CompoundTypeRdBuffers const bufs) {
	CHECK_MEM_ERROR(
	cm, bufs->pred0,
	(uint8_t )aom_memalign(16, 2 MAX_SB_SQUARE * sizeof(*bufs->pred0)));
	CHECK_MEM_ERROR(
	cm, bufs->pred1,
	(uint8_t )aom_memalign(16, 2 MAX_SB_SQUARE * sizeof(*bufs->pred1)));
	CHECK_MEM_ERROR(
	cm, bufs->residual1,
	(int16_t )aom_memalign(32, MAX_SB_SQUARE sizeof(*bufs->residual1)));
	CHECK_MEM_ERROR(
	cm, bufs->diff10,
	(int16_t )aom_memalign(32, MAX_SB_SQUARE sizeof(*bufs->diff10)));
	CHECK_MEM_ERROR(cm, bufs->tmp_best_mask_buf,
	(uint8_t )aom_malloc(2 MAX_SB_SQUARE *
	sizeof(*bufs->tmp_best_mask_buf)));
	}

	static AOM_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 AOM_INLINE void dealloc_compressor_data(AV1_COMP *cpi) {
	AV1_COMMON *const cm = &cpi->common;
	TokenInfo *token_info = &cpi->token_info;

	dealloc_context_buffers_ext(&cpi->mbmi_ext_info);

	aom_free(cpi->tile_data);
	cpi->tile_data = NULL;

	// 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;

	aom_free(cpi->tpl_sb_rdmult_scaling_factors);
	cpi->tpl_sb_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

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

	if (cpi->td.mb.mv_costs) {
	aom_free(cpi->td.mb.mv_costs);
	cpi->td.mb.mv_costs = NULL;
	}

	if (cpi->td.mb.dv_costs) {
	aom_free(cpi->td.mb.dv_costs);
	cpi->td.mb.dv_costs = NULL;
	}

	aom_free(cpi->td.mb.inter_modes_info);
	cpi->td.mb.inter_modes_info = 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;
	}

	aom_free(cm->tpl_mvs);
	cm->tpl_mvs = NULL;

	if (cpi->td.vt64x64) {
	aom_free(cpi->td.vt64x64);
	cpi->td.vt64x64 = NULL;
	}

	av1_free_pmc(cpi->td.firstpass_ctx, av1_num_planes(cm));
	cpi->td.firstpass_ctx = NULL;

	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);
	#endif

	if (!is_stat_generation_stage(cpi))
	av1_free_cdef_buffers(cm, &cpi->mt_info.cdef_worker,
	&cpi->mt_info.cdef_sync,
	cpi->mt_info.num_mod_workers[MOD_CDEF]);

	aom_free_frame_buffer(&cpi->trial_frame_rst);
	aom_free_frame_buffer(&cpi->scaled_source);
	aom_free_frame_buffer(&cpi->scaled_last_source);

	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]);
	}
	aom_free(cpi->td.mb.pixel_gradient_info);

	#if CONFIG_DENOISE
	if (cpi->denoise_and_model) {
	aom_denoise_and_model_free(cpi->denoise_and_model);
	cpi->denoise_and_model = NULL;
	}
	#endif
	if (cpi->film_grain_table) {
	aom_film_grain_table_free(cpi->film_grain_table);
	cpi->film_grain_table = NULL;
	}

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

	if (cpi->consec_zero_mv) {
	aom_free(cpi->consec_zero_mv);
	cpi->consec_zero_mv = NULL;
	}
	}

	static AOM_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 AOM_INLINE void alloc_altref_frame_buffer(AV1_COMP *cpi) {
	AV1_COMMON *cm = &cpi->common;
	const SequenceHeader *const seq_params = cm->seq_params;
	const AV1EncoderConfig *oxcf = &cpi->oxcf;

	// When lag_in_frames <= 1, alt-ref frames are not enabled. In this case,
	// temporal filtering of key frames is disabled as well. Hence alt_ref_buffer
	// allocation is avoided.
	if (oxcf->gf_cfg.lag_in_frames <= 1) return;

	// TODO(agrange) Check if ARF is enabled and skip allocation if not.
	if (aom_realloc_frame_buffer(
	&cpi->ppi->alt_ref_buffer, oxcf->frm_dim_cfg.width,
	oxcf->frm_dim_cfg.height, seq_params->subsampling_x,
	seq_params->subsampling_y, seq_params->use_highbitdepth,
	cpi->oxcf.border_in_pixels, cm->features.byte_alignment, NULL, NULL,
	NULL, cpi->oxcf.tool_cfg.enable_global_motion))
	aom_internal_error(cm->error, AOM_CODEC_MEM_ERROR,
	"Failed to allocate altref buffer");
	}

	static AOM_INLINE void alloc_util_frame_buffers(AV1_COMP *cpi) {
	AV1_COMMON *const cm = &cpi->common;
	const SequenceHeader *const seq_params = cm->seq_params;
	const int byte_alignment = cm->features.byte_alignment;
	if (aom_realloc_frame_buffer(
	&cpi->last_frame_uf, cm->width, cm->height, seq_params->subsampling_x,
	seq_params->subsampling_y, seq_params->use_highbitdepth,
	cpi->oxcf.border_in_pixels, byte_alignment, NULL, NULL, NULL, 0))
	aom_internal_error(cm->error, AOM_CODEC_MEM_ERROR,
	"Failed to allocate last frame buffer");

	// The frame buffer trial_frame_rst is used during loop restoration filter
	// search. Hence it is allocated only when loop restoration is used.
	const int use_restoration = cm->seq_params->enable_restoration &&
	!cm->features.all_lossless &&
	!cm->tiles.large_scale;
	if (use_restoration) {
	if (aom_realloc_frame_buffer(
	&cpi->trial_frame_rst, cm->superres_upscaled_width,
	cm->superres_upscaled_height, seq_params->subsampling_x,
	seq_params->subsampling_y, seq_params->use_highbitdepth,
	AOM_RESTORATION_FRAME_BORDER, byte_alignment, NULL, NULL, NULL, 0))
	aom_internal_error(cm->error, AOM_CODEC_MEM_ERROR,
	"Failed to allocate trial restored frame buffer");
	}

	if (aom_realloc_frame_buffer(
	&cpi->scaled_source, cm->width, cm->height, seq_params->subsampling_x,
	seq_params->subsampling_y, seq_params->use_highbitdepth,
	cpi->oxcf.border_in_pixels, byte_alignment, NULL, NULL, NULL,
	cpi->oxcf.tool_cfg.enable_global_motion))
	aom_internal_error(cm->error, AOM_CODEC_MEM_ERROR,
	"Failed to allocate scaled source buffer");

	// The frame buffer cpi->scaled_last_source is used to hold the previous
	// source frame information. As the previous source frame buffer allocation in
	// the lookahead queue is avoided for all-intra frame encoding,
	// cpi->unscaled_last_source will be NULL in such cases. As
	// cpi->unscaled_last_source is NULL, cpi->scaled_last_source will not be used
	// for all-intra frame encoding. Hence, the buffer is allocated conditionally.
	if (cpi->oxcf.kf_cfg.key_freq_max > 0) {
	if (aom_realloc_frame_buffer(
	&cpi->scaled_last_source, cm->width, cm->height,
	seq_params->subsampling_x, seq_params->subsampling_y,
	seq_params->use_highbitdepth, cpi->oxcf.border_in_pixels,
	byte_alignment, NULL, NULL, NULL,
	cpi->oxcf.tool_cfg.enable_global_motion))
	aom_internal_error(cm->error, AOM_CODEC_MEM_ERROR,
	"Failed to allocate scaled last source buffer");
	}
	}

	static AOM_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->oxcf.tool_cfg.enable_global_motion))
	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);
	av1_resize_and_extend_frame_nonnormative(
	cpi->unscaled_source, &cpi->scaled_source, (int)cm->seq_params->bit_depth,
	num_planes);
	return &cpi->scaled_source;
	}

	#ifdef __cplusplus
	} // extern "C"
	#endif

	#endif // AOM_AV1_ENCODER_ENCODER_ALLOC_H_