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isvce_utils.c
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/******************************************************************************
*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*****************************************************************************
* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
*/
/**
*******************************************************************************
* @file
* ih264e_svc_utils.c
*
* @brief
* Contains utility functions used for SVC encoding
*
* @author
* ittiam
*
* @par List of Functions:
* - ih264e_svc_ref_list_refresh()
* - ih264e_svc_inp_params_validate()
*
* @remarks
* None
*
*******************************************************************************
*/
#include <math.h>
#include <limits.h>
#include "ih264_typedefs.h"
/* Dependencies of ih264_buf_mgr.h */
/* Dependencies of ih264_list.h */
#include "ih264_error.h"
#include "ih264_buf_mgr.h"
#include "ih264_list.h"
#include "ih264_trans_data.h"
#include "ih264_size_defs.h"
/* Dependencies of ih264_common_tables.h */
#include "ih264_defs.h"
#include "ih264_structs.h"
#include "ih264_common_tables.h"
/* Dependencies of ih264e_bitstream.h */
#include "ih264e_error.h"
/* Dependencies of ih264e_cabac_structs.h */
#include "ih264_cabac_tables.h"
/* Dependencies of ime_structs.h */
#include "ime_defs.h"
#include "ime_distortion_metrics.h"
/* Dependencies of ih264e_structs.h */
#include "iv2.h"
#include "ive2.h"
#include "ih264_defs.h"
#include "ih264_deblk_edge_filters.h"
#include "ih264_inter_pred_filters.h"
#include "ih264_structs.h"
#include "ih264_trans_quant_itrans_iquant.h"
#include "ih264e_bitstream.h"
#include "ih264e_cabac_structs.h"
#include "ime_statistics.h"
#include "ime_structs.h"
/* Dependencies of 'irc_picture_type.h' */
#include "irc_cntrl_param.h"
#include "irc_frame_info_collector.h"
#include "irc_mem_req_and_acq.h"
/* Dependencies of 'irc_rate_control_api_structs' */
#include "irc_picture_type.h"
#include "irc_rd_model.h"
#include "irc_vbr_storage_vbv.h"
#include "irc_est_sad.h"
#include "irc_bit_allocation.h"
#include "irc_mb_model_based.h"
#include "irc_cbr_buffer_control.h"
#include "irc_vbr_str_prms.h"
#include "irc_common.h"
#include "irc_rate_control_api_structs.h"
#include "irc_rate_control_api.h"
#include "irc_svc_rate_control_api.h"
/* Dependencies of 'ih264e_utils.h' */
#include "ih264e_defs.h"
#include "ih264e_structs.h"
/* Dependencies of 'ih264e_utils.h' */
#include "irc_mem_req_and_acq.h"
#include "ih264e_rc_mem_interface.h"
#include "ih264e_time_stamp.h"
#include "ih264e_utils.h"
#include "ime.h"
#include "isvc_macros.h"
#include "isvce_cabac.h"
#include "isvce_core_coding.h"
#include "isvce_defs.h"
#include "isvce_error.h"
#include "isvce_me.h"
#include "isvce_utils.h"
#include "isvce_downscaler.h"
#include "isvce_encode_header.h"
#include "isvce_rate_control.h"
#include "isvce_sub_pic_rc.h"
static const UWORD32 gu4_downscaler_blk_size = 96;
static FORCEINLINE UWORD32 isvce_get_downscaler_blk_dims(UWORD32 u4_frame_dim, UWORD32 u4_blk_pos,
UWORD32 u4_default_blk_size)
{
return ((u4_frame_dim - u4_blk_pos * u4_default_blk_size) < u4_default_blk_size)
? (u4_frame_dim - u4_blk_pos * u4_default_blk_size)
: u4_default_blk_size;
}
/**
*******************************************************************************
*
* @brief
* Reference and MV bank Buffer Manager for SVC
*
* @par Description:
* Here we will
* 1) Find the correct ref pics for the current frame
* 2) Free the ref pics that are not going to be used anymore
*
* 1) Finding correct ref pic
* All pics needed for future are arranged in a picture list called
* ps_codec->as_ref_set. Each picture in this will have a pic buffer and
* MV buffer that is marked appropriately as BUF_MGR_REF, BUF_MGR_IO or
* BUF_MGR_CODEC. pic_cnt, poc, and temporal_id will also be present.
* The strategy is to pick the closest references that belongs to the
* same temporal_id or lesser. The closeness is measured via the
* smallest absolute difference between ref and cur pocs.
*
* Note that i4_pic_cnt == -1 is used to filter uninitialised ref pics.
* Now since we only have max two ref pics, we will always find max 2
* ref pics.
*
* 2) Self explanatory
*
* @param[in] ps_codec
* Pointer to codeec context
*
* @param[in] pps_ref_pics
* Array of pointers to refPicBufs
*
* @param[in] pps_mv_bufs
* Array of pointers to refMVBufs
*
* @param[in] e_pic_type
* Picture type
*
* @returns Nothing
*
*******************************************************************************
*/
static WORD32 isvce_ref_list_refresh(isvce_codec_t *ps_codec, svc_au_buf_t **pps_ref_pics,
svc_au_data_t **pps_mv_bufs, WORD32 *pi4_ref_set_id,
PIC_TYPE_T e_pic_type)
{
typedef struct
{
WORD32 i4_buf_id;
WORD32 i4_abs_poc_diff;
WORD8 i1_temporal_id;
} ref_pic_props_t;
ref_pic_props_t s_ref_pic_props = {0, 0, -1};
WORD32 i, buf_status;
WORD32 i4_cur_pic_poc = ps_codec->i4_poc;
WORD32 i4_cur_pic_temporal_id = isvce_svc_temporal_id_compute(
ps_codec->i4_poc, ps_codec->s_cfg.s_svc_params.u1_num_temporal_layers, e_pic_type);
if(e_pic_type == PIC_B)
{
return IH264E_FAIL;
}
ASSERT(1 == MAX_LAYER_REFERENCE_PICS);
/* Pick a ref_pic for the current picture */
if(e_pic_type != PIC_IDR)
{
for(i = 0; i < ps_codec->i4_ref_buf_cnt; i++)
{
WORD32 i4_abs_poc_diff;
WORD8 i1_temporal_id;
if(ps_codec->as_ref_set[i].i4_pic_cnt == -1)
{
continue;
}
buf_status = ih264_buf_mgr_get_status(ps_codec->pv_ref_buf_mgr,
ps_codec->as_ref_set[i].ps_pic_buf->i4_buf_id);
if(buf_status & BUF_MGR_REF)
{
i4_abs_poc_diff = ABS(ps_codec->as_ref_set[i].i4_poc - i4_cur_pic_poc);
i1_temporal_id = ps_codec->as_ref_set[i].ps_pic_buf->i1_temporal_id;
if(s_ref_pic_props.i1_temporal_id > -1)
{
if((i1_temporal_id <= i4_cur_pic_temporal_id) &&
(s_ref_pic_props.i4_abs_poc_diff > i4_abs_poc_diff))
{
s_ref_pic_props.i4_abs_poc_diff = i4_abs_poc_diff;
s_ref_pic_props.i1_temporal_id = i1_temporal_id;
s_ref_pic_props.i4_buf_id = i;
}
}
else if(i1_temporal_id <= i4_cur_pic_temporal_id)
{
s_ref_pic_props.i4_abs_poc_diff = i4_abs_poc_diff;
s_ref_pic_props.i1_temporal_id = i1_temporal_id;
s_ref_pic_props.i4_buf_id = i;
}
}
}
if(s_ref_pic_props.i1_temporal_id < 0)
{
return IH264E_FAIL;
}
pps_ref_pics[0] = pps_ref_pics[1] =
ps_codec->as_ref_set[s_ref_pic_props.i4_buf_id].ps_pic_buf;
pps_mv_bufs[0] = pps_mv_bufs[1] =
ps_codec->as_ref_set[s_ref_pic_props.i4_buf_id].ps_svc_au_data;
/* Pick all ref pic_bufs to be freed. */
for(i = 0; i < ps_codec->i4_ref_buf_cnt; i++)
{
if(ps_codec->as_ref_set[i].i4_pic_cnt == -1)
{
continue;
}
buf_status = ih264_buf_mgr_get_status(ps_codec->pv_ref_buf_mgr,
ps_codec->as_ref_set[i].ps_pic_buf->i4_buf_id);
if((buf_status & (BUF_MGR_REF | BUF_MGR_CODEC | BUF_MGR_IO)) == 0)
{
ps_codec->as_ref_set[i].i4_pic_cnt = -1;
ps_codec->as_ref_set[i].i4_poc = 32768;
continue;
}
if(buf_status & BUF_MGR_REF)
{
if((i4_cur_pic_temporal_id <= ps_codec->as_ref_set[i].ps_pic_buf->i1_temporal_id) &&
(pps_ref_pics[0]->i4_frame_num !=
ps_codec->as_ref_set[i].ps_pic_buf->i4_frame_num) &&
(pps_ref_pics[0]->i4_frame_num !=
ps_codec->as_ref_set[i].ps_pic_buf->i4_frame_num))
{
ih264_buf_mgr_release(ps_codec->pv_svc_au_data_store_mgr,
ps_codec->as_ref_set[i].ps_pic_buf->i4_buf_id,
BUF_MGR_REF);
ih264_buf_mgr_release(ps_codec->pv_ref_buf_mgr,
ps_codec->as_ref_set[i].ps_pic_buf->i4_buf_id,
BUF_MGR_REF);
}
}
}
}
else
{
for(i = 0; i < ps_codec->i4_ref_buf_cnt; i++)
{
if(ps_codec->as_ref_set[i].i4_pic_cnt == -1)
{
continue;
}
buf_status = ih264_buf_mgr_get_status(ps_codec->pv_ref_buf_mgr,
ps_codec->as_ref_set[i].ps_pic_buf->i4_buf_id);
if((buf_status & (BUF_MGR_REF | BUF_MGR_CODEC | BUF_MGR_IO)) == 0)
{
ps_codec->as_ref_set[i].i4_pic_cnt = -1;
ps_codec->as_ref_set[i].i4_poc = 32768;
continue;
}
if(buf_status & BUF_MGR_REF)
{
ih264_buf_mgr_release(ps_codec->pv_svc_au_data_store_mgr,
ps_codec->as_ref_set[i].ps_pic_buf->i4_buf_id, BUF_MGR_REF);
ih264_buf_mgr_release(ps_codec->pv_ref_buf_mgr,
ps_codec->as_ref_set[i].ps_pic_buf->i4_buf_id, BUF_MGR_REF);
}
}
}
/*
* Mark all reference pic with unused buffers to be free
* We need this step since each one, ie ref, recon io etc only unset their
* respective flags. Hence we need to combine togather and mark the ref set
* accordingly
*/
pi4_ref_set_id[0] = -1;
for(i = 0; i < ps_codec->i4_ref_buf_cnt; i++)
{
if(ps_codec->as_ref_set[i].i4_pic_cnt == -1)
{
pi4_ref_set_id[0] = i;
continue;
}
buf_status = ih264_buf_mgr_get_status(ps_codec->pv_ref_buf_mgr,
ps_codec->as_ref_set[i].ps_pic_buf->i4_buf_id);
if((buf_status & (BUF_MGR_REF | BUF_MGR_CODEC | BUF_MGR_IO)) == 0)
{
ps_codec->as_ref_set[i].i4_pic_cnt = -1;
ps_codec->as_ref_set[i].i4_poc = 32768;
pi4_ref_set_id[0] = i;
}
}
/* An asssert failure here means we donot have any free buffs */
if(pi4_ref_set_id[0] < 0)
{
return IH264E_FAIL;
}
return IH264E_SUCCESS;
}
/**
*******************************************************************************
*
* @brief
* Validates SVC AU properties
*
* @param[in] ps_cfg
* Cfg parameters
*
* @returns error code in conformance with 'IH264E_ERROR_T'
*
*******************************************************************************
*/
WORD32 isvce_svc_au_props_validate(svc_inp_params_t *ps_svc_inp_params, UWORD32 u4_inp_wd,
UWORD32 u4_inp_ht, UWORD32 u4_svc_comp_wd,
UWORD32 u4_svc_comp_ht)
{
typedef struct
{
DOUBLE d_spatial_res_ratio;
UWORD8 u1_max_num_spatial_layers;
} spatial_layer_props_t;
UWORD8 i;
UWORD32 au4_svc_wd[MAX_NUM_SPATIAL_LAYERS];
UWORD32 au4_svc_ht[MAX_NUM_SPATIAL_LAYERS];
DOUBLE d_scaling_factor = ps_svc_inp_params->d_spatial_res_ratio;
UWORD8 u1_num_spatial_layers = ps_svc_inp_params->u1_num_spatial_layers;
const spatial_layer_props_t gas_valid_spatial_layer_props[] = {{1.5, 2}, {2, 3}};
UWORD32 u4_error_code = IV_SUCCESS;
const UWORD8 u1_min_num_temporal_layers = 1;
const UWORD8 u1_min_num_spatial_layers = 1;
const UWORD8 u1_max_num_temporal_layers = MAX_NUM_TEMPORAL_LAYERS;
const UWORD8 u1_max_num_spatial_layers = MAX_NUM_SPATIAL_LAYERS;
const UWORD8 u1_num_valid_spatial_layer_props =
sizeof(gas_valid_spatial_layer_props) / sizeof(gas_valid_spatial_layer_props[0]);
if((ps_svc_inp_params->u1_num_temporal_layers < u1_min_num_temporal_layers) ||
(ps_svc_inp_params->u1_num_temporal_layers > u1_max_num_temporal_layers))
{
u4_error_code |= IH264E_INVALID_SVC_PARAMS | IH264E_INVALID_NUM_TEMPORAL_LAYERS;
}
if((ps_svc_inp_params->u1_num_spatial_layers < u1_min_num_spatial_layers) ||
(ps_svc_inp_params->u1_num_spatial_layers > u1_max_num_spatial_layers))
{
u4_error_code |= IH264E_INVALID_SVC_PARAMS | IH264E_INVALID_NUM_SPATIAL_LAYERS;
}
{
UWORD8 u1_is_input_ratio_valid = 0;
for(i = 0; i < u1_num_valid_spatial_layer_props; i++)
{
if(ps_svc_inp_params->d_spatial_res_ratio ==
gas_valid_spatial_layer_props[i].d_spatial_res_ratio)
{
u1_is_input_ratio_valid = 1;
if(ps_svc_inp_params->u1_num_spatial_layers >
gas_valid_spatial_layer_props[i].u1_max_num_spatial_layers)
{
u4_error_code |= IH264E_INVALID_SVC_PARAMS | IH264E_INVALID_NUM_SPATIAL_LAYERS;
}
break;
}
}
if(!u1_is_input_ratio_valid)
{
u4_error_code |= IH264E_INVALID_SVC_PARAMS | IH264E_INVALID_SPATIAL_RES_RATIO;
}
}
if((u4_svc_comp_wd > SVCE_MAX_INP_DIM) || (u4_svc_comp_ht > SVCE_MAX_INP_DIM) ||
((u4_svc_comp_wd * u4_svc_comp_ht) > SVCE_MAX_INP_FRAME_SIZE) ||
(u4_svc_comp_wd % 16 != 0) || (u4_svc_comp_ht % 16 != 0))
{
u4_error_code |= IH264E_INVALID_SVC_INPUT_DIMENSIONS;
}
/* Constraint from padding intrinsics */
if((u4_svc_comp_wd - u4_inp_wd) % 16)
{
u4_error_code |= IH264E_INVALID_SVC_INPUT_DIMENSIONS;
}
/* Constraint from 420p to 420sp conversion */
if((u4_svc_comp_ht - u4_inp_ht) % 4)
{
u4_error_code |= IH264E_INVALID_SVC_INPUT_DIMENSIONS;
}
au4_svc_wd[u1_num_spatial_layers - 1] = u4_svc_comp_wd;
au4_svc_ht[u1_num_spatial_layers - 1] = u4_svc_comp_ht;
for(i = (u1_num_spatial_layers - 1); i > 0; i--)
{
au4_svc_wd[i - 1] = au4_svc_wd[i] / d_scaling_factor;
au4_svc_ht[i - 1] = au4_svc_ht[i] / d_scaling_factor;
if((au4_svc_wd[i - 1] * d_scaling_factor != au4_svc_wd[i]) ||
(au4_svc_ht[i - 1] * d_scaling_factor != au4_svc_ht[i]) ||
(au4_svc_ht[i - 1] % 16 != 0) || (au4_svc_ht[i - 1] % 16 != 0))
{
u4_error_code |= IH264E_INVALID_SVC_INPUT_DIMENSIONS;
}
}
return u4_error_code;
}
/**
*******************************************************************************
*
* @brief
* Validates SVC input params
*
* @param[in] ps_cfg
* Cfg parameters
*
* @returns error code in conformance with 'IH264E_ERROR_T'
*
*******************************************************************************
*/
WORD32 isvce_svc_inp_params_validate(isvce_init_ip_t *ps_ip, isvce_cfg_params_t *ps_cfg)
{
UWORD32 u4_error_code = isvce_svc_au_props_validate(&ps_ip->s_svc_inp_params, ps_ip->u4_wd,
ps_ip->u4_ht, ps_cfg->u4_wd, ps_cfg->u4_ht);
if(ps_cfg->u4_enable_alt_ref)
{
u4_error_code |= IH264E_INVALID_ALT_REF_OPTION;
}
if(ps_cfg->u4_num_bframes)
{
u4_error_code |= IH264E_BFRAMES_NOT_SUPPORTED;
}
if(ps_cfg->e_slice_mode != IVE_SLICE_MODE_NONE)
{
u4_error_code |= IH264E_SLICE_TYPE_INPUT_INVALID;
}
if(ps_cfg->e_content_type != IV_PROGRESSIVE)
{
u4_error_code |= IH264E_CONTENT_TYPE_NOT_SUPPORTED;
}
if(ps_cfg->u4_weighted_prediction)
{
u4_error_code |= IH264E_WEIGHTED_PRED_NOT_SUPPORTED;
}
return u4_error_code;
}
/**
*******************************************************************************
*
* @brief
* Validates SVC RC params
*
* @param[in] ps_cfg
* Cfg parameters
*
* @returns error code in conformance with 'IH264E_ERROR_T'
*
*******************************************************************************
*/
static WORD32 isvce_svc_rc_params_validate(isvce_cfg_params_t *ps_cfg)
{
WORD32 i;
/* RC requires total bits in a second to fit int32_t */
for(i = 0; i < ps_cfg->s_svc_params.u1_num_spatial_layers; i++)
{
if((((((UWORD64) ps_cfg->au4_target_bitrate[i]) * 1000llu) / ps_cfg->u4_tgt_frame_rate) *
ps_cfg->u4_idr_frm_interval) > ((UWORD64) INT32_MAX))
{
return IH264E_BITRATE_NOT_SUPPORTED;
}
}
return IH264E_SUCCESS;
}
/**
*******************************************************************************
*
* @brief
* Validates SVC frame-level input params
*
* @param[in] ps_cfg
* Cfg parameters
*
* @returns error code in conformance with 'IH264E_ERROR_T'
*
*******************************************************************************
*/
WORD32 isvce_svc_frame_params_validate(
rate_control_api_t *aps_rate_control_api[MAX_NUM_SPATIAL_LAYERS], UWORD8 u1_num_spatial_layers)
{
WORD32 i;
/* RC requires total bits in a second to fit int32_t */
for(i = 0; i < u1_num_spatial_layers; i++)
{
if((((UWORD64) irc_get_bits_per_frame(aps_rate_control_api[i])) *
irc_get_intra_frame_interval(aps_rate_control_api[i])) > ((UWORD64) INT32_MAX))
{
return IH264E_BITRATE_NOT_SUPPORTED;
}
}
return IV_SUCCESS;
}
/**
*******************************************************************************
*
* @brief
* Used to get reference picture buffer size for a given level and
* and padding used
*
* @param[in] ps_svc_inp_params
* Struct containing SVC specific input params
*
* @param[in] i4_pic_size
* Number of luma samples (Width * Height)
*
* @param[in] i4_level
* Level
*
* @param[in] i4_horz_pad
* Total padding used in horizontal direction
*
* @param[in] i4_vert_pad
* Total padding used in vertical direction
*
* @param[in] i4_num_ref_frames
* Num Reference Frames
*
* @param[in] i4_num_reorder_frames
* Num Reorder Frames
*
* @returns Total picture buffer size
*
*******************************************************************************
*/
WORD32 isvce_get_total_svc_au_buf_size(svc_inp_params_t *ps_svc_inp_params, WORD32 i4_pic_size,
WORD32 i4_level, WORD32 i4_horz_pad, WORD32 i4_vert_pad,
WORD32 i4_num_ref_frames, WORD32 i4_num_reorder_frames)
{
WORD32 i;
WORD32 size;
WORD32 num_luma_samples;
WORD32 lvl_idx;
WORD32 max_wd, min_ht;
WORD32 num_samples;
WORD32 max_num_bufs;
WORD32 pad = MAX(i4_horz_pad, i4_vert_pad);
DOUBLE d_svc_size_multiplier = 1;
for(i = 1; i < ps_svc_inp_params->u1_num_spatial_layers; i++)
{
d_svc_size_multiplier += 1. / pow(ps_svc_inp_params->d_spatial_res_ratio, i);
}
/*
* If i4_num_ref_frames and num_reorder_frmaes is specified
* Use minimum value
*/
max_num_bufs = (i4_num_ref_frames + i4_num_reorder_frames + MAX_CTXT_SETS +
ps_svc_inp_params->u1_num_temporal_layers);
/* Get i4_level index */
lvl_idx = ih264e_get_lvl_idx(i4_level);
/* Maximum number of luma samples in a picture at given i4_level */
num_luma_samples = gai4_ih264_max_luma_pic_size[lvl_idx];
num_luma_samples = MAX(num_luma_samples, i4_pic_size);
/* Account for chroma */
num_samples = num_luma_samples * 3 / 2;
/* Maximum width of luma samples in a picture at given i4_level */
max_wd = gai4_ih264_max_wd_ht[lvl_idx];
/* Minimum height of luma samples in a picture at given i4_level */
min_ht = gai4_ih264_min_wd_ht[lvl_idx];
/* Allocation is required for
* (Wd + i4_horz_pad) * (Ht + i4_vert_pad) * (2 * max_dpb_size + 1)
*
* Above expanded as
* ((Wd * Ht) + (i4_horz_pad * i4_vert_pad) + Wd * i4_vert_pad + Ht *
* i4_horz_pad) * (2 * max_dpb_size + 1) (Wd * Ht) * (2 * max_dpb_size + 1) +
* ((i4_horz_pad * i4_vert_pad) + Wd * i4_vert_pad + Ht * i4_horz_pad) * (2 *
* max_dpb_size + 1) Now max_dpb_size increases with smaller Wd and Ht, but Wd
* * ht * max_dpb_size will still be lesser or equal to max_wd * max_ht *
* dpb_size
*
* In the above equation (Wd * Ht) * (2 * max_dpb_size + 1) is accounted by
* using num_samples * (2 * max_dpb_size + 1) below
*
* For the padded area use MAX(i4_horz_pad, i4_vert_pad) as pad
* ((pad * pad) + pad * (Wd + Ht)) * (2 * max_dpb_size + 1) has to accounted
* from the above for padding
*
* Since Width and Height can change worst Wd + Ht is when One of the
* dimensions is max and other is min So use max_wd and min_ht
*/
/* Number of bytes in reference pictures */
size = num_samples * max_num_bufs;
/* Account for Spatial Layers */
size = (WORD32) (size * d_svc_size_multiplier + 0.99);
/* Account for padding area */
size += ((pad * pad) + pad * (max_wd + min_ht)) * 3 / 2 * max_num_bufs *
ps_svc_inp_params->u1_num_spatial_layers;
size += ps_svc_inp_params->u1_num_spatial_layers * sizeof(yuv_buf_props_t);
return size;
}
/**
*******************************************************************************
*
* @brief
* Used to get size of buffers used for storing prediction data
*
* @param[in] ps_svc_inp_params
* Struct containing SVC specific input params
*
* @param[in] i4_num_luma_samples
* Number of luma samples (Width * Height)
*
* @returns Size of buffers used for storing prediction data
*
*******************************************************************************
*/
UWORD32 isvce_get_total_svc_au_data_size(WORD32 i4_num_luma_samples, UWORD8 u1_num_spatial_layers,
DOUBLE d_spatial_res_ratio)
{
WORD32 i;
UWORD32 u4_svc_au_data_size = 0;
u4_svc_au_data_size += u1_num_spatial_layers * sizeof(svc_layer_data_t);
for(i = 0; i < u1_num_spatial_layers; i++)
{
WORD32 i4_layer_luma_samples =
((DOUBLE) i4_num_luma_samples) / pow(pow(d_spatial_res_ratio, i), 2) + 0.99;
WORD32 i4_num_mbs = i4_layer_luma_samples / (MB_SIZE * MB_SIZE);
/* isvce_mb_info_t */
u4_svc_au_data_size += i4_num_mbs * sizeof(isvce_mb_info_t);
/* pu4_num_pus_in_mb */
u4_svc_au_data_size += i4_num_mbs * sizeof(UWORD32);
}
return u4_svc_au_data_size;
}
/**
*******************************************************************************
*
* @brief Function to add buffers to SVC AU Data Store Manager
*
* @param[in] ps_codec
* Pointer to codec context
*
* @returns error status
*
*******************************************************************************
*/
IH264E_ERROR_T isvce_svc_au_data_mgr_add_bufs(isvce_codec_t *ps_codec)
{
IH264_ERROR_T ret;
WORD32 i, j;
UWORD8 *pu1_buf;
svc_au_data_t *ps_svc_au_data = ps_codec->ps_svc_au_data_base;
WORD32 i4_max_dpb_size = ps_codec->i4_ref_buf_cnt;
WORD64 i8_alloc_mem_size = ps_codec->i4_svc_au_data_size;
WORD32 i4_num_luma_samples = ALIGN16(ps_codec->s_cfg.u4_wd) * ALIGN16(ps_codec->s_cfg.u4_ht);
UWORD8 u1_num_spatial_layers = ps_codec->s_cfg.s_svc_params.u1_num_spatial_layers;
DOUBLE d_spatial_res_ratio = ps_codec->s_cfg.s_svc_params.d_spatial_res_ratio;
ps_codec->ps_svc_au_data = ps_svc_au_data;
pu1_buf = (UWORD8 *) ps_svc_au_data;
pu1_buf += BUF_MGR_MAX_CNT * sizeof(ps_svc_au_data[0]);
i8_alloc_mem_size -= (BUF_MGR_MAX_CNT * sizeof(ps_svc_au_data[0]));
i = 0;
while(i < i4_max_dpb_size)
{
ps_svc_au_data->ps_svc_layer_data = (svc_layer_data_t *) pu1_buf;
pu1_buf += u1_num_spatial_layers * sizeof(ps_svc_au_data->ps_svc_layer_data[0]);
i8_alloc_mem_size -= u1_num_spatial_layers * sizeof(ps_svc_au_data->ps_svc_layer_data[0]);
for(j = u1_num_spatial_layers - 1; j >= 0; j--)
{
WORD32 i4_layer_luma_samples =
((DOUBLE) i4_num_luma_samples) /
pow(pow(d_spatial_res_ratio, u1_num_spatial_layers - 1 - j), 2) +
0.99;
WORD32 i4_num_mbs = i4_layer_luma_samples / (MB_SIZE * MB_SIZE);
ps_svc_au_data->ps_svc_layer_data[j].pu4_num_pus_in_mb = (UWORD32 *) pu1_buf;
pu1_buf +=
i4_num_mbs * sizeof(ps_svc_au_data->ps_svc_layer_data[j].pu4_num_pus_in_mb[0]);
i8_alloc_mem_size -=
i4_num_mbs * sizeof(ps_svc_au_data->ps_svc_layer_data[j].pu4_num_pus_in_mb[0]);
ps_svc_au_data->ps_svc_layer_data[j].ps_mb_info = (isvce_mb_info_t *) pu1_buf;
pu1_buf += i4_num_mbs * sizeof(ps_svc_au_data->ps_svc_layer_data[j].ps_mb_info[0]);
i8_alloc_mem_size -=
i4_num_mbs * sizeof(ps_svc_au_data->ps_svc_layer_data[j].ps_mb_info[0]);
ASSERT(i8_alloc_mem_size >= 0);
}
if(i8_alloc_mem_size < 0)
{
ps_codec->i4_error_code = IH264E_INSUFFICIENT_MEM_MVBANK;
return IH264E_INSUFFICIENT_MEM_MVBANK;
}
ret =
ih264_buf_mgr_add((buf_mgr_t *) ps_codec->pv_svc_au_data_store_mgr, ps_svc_au_data, i);
if(IH264_SUCCESS != ret)
{
ps_codec->i4_error_code = IH264E_BUF_MGR_ERROR;
return IH264E_BUF_MGR_ERROR;
}
ps_svc_au_data++;
i++;
}
return IH264E_SUCCESS;
}
/**
*******************************************************************************
*
* @brief
* Function to initialize svc_au_buf_t structs add au buffers to
* buffer manager in case of non-shared mode
*
* @param[in] ps_codec
* Pointer to codec context
*
* @returns error status
*
*******************************************************************************
*/
IH264E_ERROR_T isvce_svc_au_buf_mgr_add_bufs(isvce_codec_t *ps_codec)
{
WORD32 i, j;
WORD32 buf_ret;
svc_au_buf_t *ps_pic_buf = ps_codec->ps_pic_buf;
IH264E_ERROR_T ret = IH264E_SUCCESS;
WORD32 i4_max_dpb_size = ps_codec->i4_ref_buf_cnt;
WORD64 i8_alloc_mem_size =
ps_codec->i4_total_pic_buf_size - BUF_MGR_MAX_CNT * sizeof(ps_pic_buf[0]);
UWORD8 *pu1_buf = (UWORD8 *) ps_codec->ps_pic_buf;
UWORD8 u1_num_spatial_layers = ps_codec->s_cfg.s_svc_params.u1_num_spatial_layers;
DOUBLE d_spatial_res_ratio = ps_codec->s_cfg.s_svc_params.d_spatial_res_ratio;
pu1_buf += BUF_MGR_MAX_CNT * sizeof(svc_au_buf_t);
for(i = 0; i < i4_max_dpb_size; i++)
{
WORD32 i4_total_fpel_mem_size = 0;
ps_pic_buf->ps_layer_yuv_buf_props = (yuv_buf_props_t *) pu1_buf;
pu1_buf += u1_num_spatial_layers * sizeof(ps_pic_buf->ps_layer_yuv_buf_props[0]);
i8_alloc_mem_size -= u1_num_spatial_layers * sizeof(ps_pic_buf->ps_layer_yuv_buf_props[0]);
if(i8_alloc_mem_size < 0)
{
ps_codec->i4_error_code = IH264E_INSUFFICIENT_MEM_PICBUF;
return IH264E_INSUFFICIENT_MEM_PICBUF;
}
for(j = u1_num_spatial_layers - 1; j >= 0; j--)
{
WORD32 i4_layer_luma_wd = ((DOUBLE) ps_codec->s_cfg.u4_wd /
pow(d_spatial_res_ratio, u1_num_spatial_layers - 1 - j)) +
0.99;
WORD32 i4_layer_luma_ht = ((DOUBLE) ps_codec->s_cfg.u4_ht /
pow(d_spatial_res_ratio, u1_num_spatial_layers - 1 - j)) +
0.99;
WORD32 i4_layer_luma_samples =
(ALIGN16(i4_layer_luma_wd) + PAD_WD) * (i4_layer_luma_ht + PAD_HT);
WORD32 i4_layer_uv_wd = i4_layer_luma_wd;
WORD32 i4_layer_uv_ht = i4_layer_luma_ht / 2.0 + 0.99;
WORD32 i4_layer_uv_samples =
(ALIGN16(i4_layer_uv_wd) + PAD_WD) * (i4_layer_uv_ht + PAD_HT);
ps_pic_buf->ps_layer_yuv_buf_props[j].as_component_bufs[0].i4_data_stride =
ALIGN16(i4_layer_luma_wd) + PAD_WD;
ps_pic_buf->ps_layer_yuv_buf_props[j].as_component_bufs[0].pv_data =
pu1_buf +
ps_pic_buf->ps_layer_yuv_buf_props[j].as_component_bufs[0].i4_data_stride *
PAD_TOP +
PAD_LEFT;
pu1_buf += i4_layer_luma_samples;
ps_pic_buf->ps_layer_yuv_buf_props[j].as_component_bufs[1].i4_data_stride =
ALIGN16(i4_layer_uv_wd) + PAD_WD;
ps_pic_buf->ps_layer_yuv_buf_props[j].as_component_bufs[1].pv_data =
pu1_buf +
ps_pic_buf->ps_layer_yuv_buf_props[j].as_component_bufs[1].i4_data_stride *
(PAD_TOP / 2) +
PAD_LEFT;
pu1_buf += i4_layer_uv_samples;
ps_pic_buf->ps_layer_yuv_buf_props[j].u4_width = i4_layer_luma_wd;
ps_pic_buf->ps_layer_yuv_buf_props[j].u4_height = i4_layer_luma_ht;
ps_pic_buf->ps_layer_yuv_buf_props[j].u1_bit_depth = 8;
ps_pic_buf->ps_layer_yuv_buf_props[j].e_color_format = IV_YUV_420SP_UV;
i8_alloc_mem_size -= i4_layer_luma_samples + i4_layer_uv_samples;
i4_total_fpel_mem_size += i4_layer_luma_samples + i4_layer_uv_samples;
if(i8_alloc_mem_size < 0)
{
ps_codec->i4_error_code = IH264E_INSUFFICIENT_MEM_PICBUF;
return IH264E_INSUFFICIENT_MEM_PICBUF;
}
}
buf_ret = ih264_buf_mgr_add((buf_mgr_t *) ps_codec->pv_ref_buf_mgr, ps_pic_buf, i);
if(0 != buf_ret)
{
ps_codec->i4_error_code = IH264E_BUF_MGR_ERROR;
return IH264E_BUF_MGR_ERROR;
}
pu1_buf += (HPEL_PLANES_CNT - 1) * i4_total_fpel_mem_size;
ps_pic_buf++;
}
return ret;
}
/**
*******************************************************************************
*
* @brief
* Returns size of buffers for storing SVC input data
*
* @param[in] u1_num_spatial_layers
* Num Spatial Layers
*
* @param[in] d_spatial_res_ratio
* Resolution Ratio b/w spatial layers
*
* @param[in] u4_wd
* Input Width
*
* @param[in] u4_ht
* Input Height
*
* @returns Size of buffers
*
*******************************************************************************
*/
UWORD32 isvce_get_svc_inp_buf_size(UWORD8 u1_num_spatial_layers, DOUBLE d_spatial_res_ratio,
UWORD32 u4_wd, UWORD32 u4_ht)
{
padding_dims_t s_pad_dims;
UWORD32 i;
UWORD8 u1_filter_padding_size_x, u1_filter_padding_size_y;
UWORD32 u4_size = 0;
isvce_get_downscaler_padding_dims(&s_pad_dims);
u1_filter_padding_size_x = s_pad_dims.u1_left_pad_size + s_pad_dims.u1_right_pad_size;
u1_filter_padding_size_y = s_pad_dims.u1_top_pad_size + s_pad_dims.u1_bottom_pad_size;
for(i = 0; i < u1_num_spatial_layers; i++)
{
WORD32 i4_layer_luma_wd = ((DOUBLE) u4_wd / pow(d_spatial_res_ratio, i)) + 0.99;
WORD32 i4_layer_luma_ht = ((DOUBLE) u4_ht / pow(d_spatial_res_ratio, i)) + 0.99;
WORD32 i4_layer_luma_samples =
(ALIGN16(i4_layer_luma_wd) + PAD_WD + u1_filter_padding_size_x) *
(i4_layer_luma_ht + PAD_HT + u1_filter_padding_size_y);
WORD32 i4_layer_uv_wd = i4_layer_luma_wd;
WORD32 i4_layer_uv_ht = i4_layer_luma_ht / 2.0 + 0.99;
/* u1_filter_padding_size_x * 2 because U and V
both need same amount of padding */
WORD32 i4_layer_uv_samples =
(ALIGN16(i4_layer_uv_wd) + PAD_WD + u1_filter_padding_size_x * 2) *
(i4_layer_uv_ht + PAD_HT + u1_filter_padding_size_y);
u4_size += (i4_layer_luma_samples + i4_layer_uv_samples) * sizeof(UWORD8);
}
return SVC_MAX_NUM_INP_FRAMES * u4_size;
}
/**
*******************************************************************************
*
* @brief
* Function to initialize svc input buffers
*
* @param[in] ps_codec
* Pointer to codec context
*
* @param[in] ps_mem_rec
* Pointer to memory allocated for input buffers
*