unplugged-system/external/libavc/encoder/svc/isvce_ilp_mv.c

738 lines
30 KiB
C

/******************************************************************************
*
* 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
* isvce_ilp_mv.c
*
* @brief
* Contains functions used for deriving inter_layer MV's
*
*******************************************************************************
*/
#include <stdint.h>
#include <math.h>
#include <stdbool.h>
#include "ih264_typedefs.h"
#include "ih264_debug.h"
#include "isvc_macros.h"
#include "isvc_defs.h"
#include "isvce_defs.h"
#include "isvce_structs.h"
#include "isvce_ilp_mv_private_defs.h"
#include "isvce_ilp_mv.h"
#include "isvce_ilp_mv_utils.h"
/**
*******************************************************************************
*
* @brief
* Returns size of buffers for storing ILP MV ctxt
*
* @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_ilp_mv_ctxt_size(UWORD8 u1_num_spatial_layers, DOUBLE d_spatial_res_ratio,
UWORD32 u4_wd, UWORD32 u4_ht)
{
UWORD32 u4_size = 0;
if(u1_num_spatial_layers > 1)
{
WORD32 i;
u4_size += MAX_PROCESS_CTXT * sizeof(svc_ilp_mv_ctxt_t);
u4_size += MAX_PROCESS_CTXT * sizeof(ilp_mv_state_t);
u4_size += u1_num_spatial_layers * sizeof(ilp_mv_layer_state_t);
for(i = u1_num_spatial_layers - 1; i >= 1; i--)
{
WORD32 i4_layer_luma_wd =
(WORD32) ((DOUBLE) u4_wd /
pow(d_spatial_res_ratio, u1_num_spatial_layers - 1 - i)) +
0.99;
WORD32 i4_layer_luma_ht =
((DOUBLE) u4_ht / pow(d_spatial_res_ratio, u1_num_spatial_layers - 1 - i)) + 0.99;
WORD32 i4_layer_luma_mbs = (i4_layer_luma_wd / MB_SIZE) * (i4_layer_luma_ht / MB_SIZE);
u4_size += i4_layer_luma_mbs * sizeof(ilp_mv_mb_state_t);
}
}
return u4_size;
}
static FORCEINLINE void isvce_ref_layer_pu_and_mb_pos_init(layer_resampler_props_t *ps_layer_props,
ilp_mv_mb_state_t *ps_mb_state,
coordinates_t *ps_mb_pos,
UWORD32 u4_ref_wd, UWORD32 u4_ref_ht,
UWORD8 u1_field_pic_flag,
UWORD8 u1_field_mb_flag)
{
UWORD32 i, j;
coordinates_t(*aps_pu_positions)[MAX_PU_IN_MB_ROW] = ps_mb_state->as_pu_positions;
coordinates_t(*aps_mb_positions)[MAX_PU_IN_MB_ROW] = ps_mb_state->as_mb_positions;
for(i = 0; i < MAX_PU_IN_MB_COL; i++)
{
UWORD32 u4_y_ref16;
UWORD32 u4_yc = ps_mb_pos->i4_ordinate * ps_layer_props->u4_mb_ht +
(4 * i + 1) * (1 + u1_field_mb_flag - u1_field_pic_flag);
u4_y_ref16 =
(u4_yc * ps_layer_props->u4_scale_y + (1 << (ps_layer_props->u4_shift_y - 1))) >>
ps_layer_props->u4_shift_y;
u4_y_ref16 = MIN(u4_y_ref16, u4_ref_ht - 1);
for(j = 0; j < MAX_PU_IN_MB_ROW; j++)
{
UWORD32 u4_x_ref16;
UWORD32 u4_xc = ps_mb_pos->i4_abscissa * ps_layer_props->u4_mb_wd + 4 * j + 1;
u4_x_ref16 =
(u4_xc * ps_layer_props->u4_scale_x + (1 << (ps_layer_props->u4_shift_x - 1))) >>
ps_layer_props->u4_shift_x;
u4_x_ref16 = MIN(u4_x_ref16, u4_ref_wd - 1);
aps_pu_positions[i][j].i4_abscissa = u4_x_ref16;
aps_pu_positions[i][j].i4_ordinate = u4_y_ref16;
aps_mb_positions[i][j].i4_abscissa = (u4_x_ref16 / MB_SIZE);
aps_mb_positions[i][j].i4_ordinate = (u4_y_ref16 / MB_SIZE);
}
}
}
static void isvce_ilp_mv_layer_state_init(ilp_mv_layer_state_t *ps_layer_state,
DOUBLE d_spatial_res_ratio, UWORD32 u4_wd, UWORD32 u4_ht)
{
UWORD32 i, j;
const UWORD8 u1_ref_layer_field_pic_flag = 0;
const UWORD8 u1_field_pic_flag = 0;
const UWORD8 u1_field_mb_flag = 0;
ilp_mv_mb_state_t *ps_mb_states;
layer_resampler_props_t *ps_layer_props;
UWORD32 u4_wd_in_mbs;
UWORD32 u4_ht_in_mbs;
UWORD32 u4_ref_wd = (u4_wd / d_spatial_res_ratio);
UWORD32 u4_ref_ht = (u4_ht / d_spatial_res_ratio) * (1 + u1_ref_layer_field_pic_flag);
UWORD32 u4_scaled_wd = u4_wd;
UWORD32 u4_scaled_ht = u4_ht * (1 + u1_field_pic_flag);
ps_mb_states = ps_layer_state->ps_mb_states;
ps_layer_props = ps_layer_state->ps_props;
u4_wd_in_mbs = u4_scaled_wd / ps_layer_props->u4_mb_wd;
u4_ht_in_mbs = u4_scaled_ht / ps_layer_props->u4_mb_ht;
ps_layer_state->s_mv_scale.i4_abscissa = ((u4_scaled_wd << 16) + (u4_ref_wd >> 1)) / u4_ref_wd;
ps_layer_state->s_mv_scale.i4_ordinate = ((u4_scaled_ht << 16) + (u4_ref_ht >> 1)) / u4_ref_ht;
for(i = 0; i < u4_ht_in_mbs; i++)
{
for(j = 0; j < u4_wd_in_mbs; j++)
{
coordinates_t s_mb_pos = {j, i};
isvce_ref_layer_pu_and_mb_pos_init(ps_layer_props, &ps_mb_states[j + i * u4_wd_in_mbs],
&s_mb_pos, u4_ref_wd, u4_ref_ht, u1_field_pic_flag,
u1_field_mb_flag);
}
}
}
/**
*******************************************************************************
*
* @brief
* Function to initialize svc ilp buffers
*
* @param[in] ps_codec
* Pointer to codec context
*
* @param[in] ps_mem_rec
* Pointer to memory allocated for input buffers
*
*******************************************************************************
*/
void isvce_ilp_mv_ctxt_init(isvce_codec_t *ps_codec, iv_mem_rec_t *ps_mem_rec)
{
WORD32 i, j;
const WORD32 i4_num_proc_ctxts = sizeof(ps_codec->as_process) / sizeof(ps_codec->as_process[0]);
UWORD8 u1_num_spatial_layers = ps_codec->s_cfg.s_svc_params.u1_num_spatial_layers;
if(u1_num_spatial_layers > 1)
{
ilp_mv_layer_state_t *ps_layer_states;
ilp_mv_mb_state_t *aps_luma_mb_states[MAX_NUM_SPATIAL_LAYERS];
DOUBLE d_spatial_res_ratio = ps_codec->s_cfg.s_svc_params.d_spatial_res_ratio;
UWORD32 u4_wd = ps_codec->s_cfg.u4_wd;
UWORD32 u4_ht = ps_codec->s_cfg.u4_ht;
UWORD8 *pu1_buf = ps_mem_rec->pv_base;
WORD64 i8_alloc_mem_size =
isvce_get_ilp_mv_ctxt_size(u1_num_spatial_layers, d_spatial_res_ratio, u4_wd, u4_ht);
for(i = 0; i < i4_num_proc_ctxts; i++)
{
ilp_mv_state_t *ps_ilp_mv_state;
svc_ilp_mv_ctxt_t *ps_ilp_mv_ctxt;
isvce_process_ctxt_t *ps_proc = ps_codec->as_process + i;
ps_ilp_mv_ctxt = ps_proc->ps_svc_ilp_mv_ctxt = (svc_ilp_mv_ctxt_t *) pu1_buf;
pu1_buf += sizeof(svc_ilp_mv_ctxt_t);
i8_alloc_mem_size -= sizeof(svc_ilp_mv_ctxt_t);
ps_ilp_mv_ctxt->s_ilp_mv_constants.pv_state = pu1_buf;
ps_ilp_mv_state = (ilp_mv_state_t *) pu1_buf;
pu1_buf += sizeof(ilp_mv_state_t);
i8_alloc_mem_size -= sizeof(ilp_mv_state_t);
if(0 == i)
{
ps_ilp_mv_state->ps_layer_state = (ilp_mv_layer_state_t *) pu1_buf;
ps_layer_states = ps_ilp_mv_state->ps_layer_state;
pu1_buf += u1_num_spatial_layers * sizeof(ps_ilp_mv_state->ps_layer_state[0]);
i8_alloc_mem_size -=
u1_num_spatial_layers * sizeof(ps_ilp_mv_state->ps_layer_state[0]);
}
else
{
ps_ilp_mv_state->ps_layer_state = ps_layer_states;
}
ASSERT(i8_alloc_mem_size >= 0);
if(0 == i)
{
for(j = u1_num_spatial_layers - 1; j >= 1; j--)
{
ilp_mv_layer_state_t *ps_layer = &ps_ilp_mv_state->ps_layer_state[j];
WORD32 i4_layer_luma_wd =
((DOUBLE) u4_wd / pow(d_spatial_res_ratio, u1_num_spatial_layers - 1 - j)) +
0.99;
WORD32 i4_layer_luma_ht =
((DOUBLE) u4_ht / pow(d_spatial_res_ratio, u1_num_spatial_layers - 1 - j)) +
0.99;
WORD32 i4_layer_luma_mbs =
(i4_layer_luma_wd / MB_SIZE) * (i4_layer_luma_ht / MB_SIZE);
ps_layer->ps_mb_states = (ilp_mv_mb_state_t *) pu1_buf;
aps_luma_mb_states[j] = ps_layer->ps_mb_states;
pu1_buf += i4_layer_luma_mbs * sizeof(ps_layer->ps_mb_states[0]);
i8_alloc_mem_size -= u1_num_spatial_layers * sizeof(ps_layer->ps_mb_states[0]);
ASSERT(i8_alloc_mem_size >= 0);
/* Asserts below verify that
* 'ps_codec->s_svc_ilp_data.aps_layer_resampler_props' is initialised
*/
ASSERT(ps_codec->s_svc_ilp_data.aps_layer_resampler_props[Y][j].u4_mb_wd ==
MB_SIZE);
ps_layer->ps_props = &ps_codec->s_svc_ilp_data.aps_layer_resampler_props[Y][j];
isvce_ilp_mv_layer_state_init(ps_layer, d_spatial_res_ratio, i4_layer_luma_wd,
i4_layer_luma_ht);
}
}
else
{
for(j = u1_num_spatial_layers - 1; j >= 1; j--)
{
ilp_mv_layer_state_t *ps_layer = &ps_ilp_mv_state->ps_layer_state[j];
ps_layer->ps_mb_states = aps_luma_mb_states[j];
ps_layer->ps_props = &ps_codec->s_svc_ilp_data.aps_layer_resampler_props[Y][j];
}
}
}
}
else
{
for(i = 0; i < i4_num_proc_ctxts; i++)
{
ps_codec->as_process[i].ps_svc_ilp_mv_ctxt = NULL;
}
}
}
static void isvce_get_ilp_mvs_for_me(svc_ilp_mv_ctxt_t *ps_ilp_mv_ctxt)
{
svc_layer_data_t *ps_ref_layer_data;
ilp_mv_layer_state_t *ps_layer_state;
ilp_mv_mb_state_t *ps_mb_state;
isvce_mb_info_t *ps_ref_mb_info;
coordinates_t s_frame_dims;
coordinates_t s_frame_dims_in_mbs;
coordinates_t s_ref_frame_dims;
coordinates_t s_ref_frame_dims_in_mbs;
bool b_is_mv_non_identical;
WORD32 i, j, k;
ilp_mv_constants_t *ps_ilp_mv_constants = &ps_ilp_mv_ctxt->s_ilp_mv_constants;
ilp_mv_variables_t *ps_ilp_mv_variables = &ps_ilp_mv_ctxt->s_ilp_mv_variables;
ilp_mv_outputs_t *ps_ilp_mv_outputs = &ps_ilp_mv_ctxt->s_ilp_mv_outputs;
ilp_mv_state_t *ps_ilp_mv_state = (ilp_mv_state_t *) ps_ilp_mv_constants->pv_state;
svc_ilp_data_t *ps_svc_ilp_data = ps_ilp_mv_variables->ps_svc_ilp_data;
svc_au_data_t *ps_svc_au_data = ps_svc_ilp_data->ps_svc_au_data;
coordinates_t *ps_mb_pos = &ps_ilp_mv_variables->s_mb_pos;
const isvce_enc_pu_mv_t s_default_mv = {{0, 0}, -1};
UWORD8 u1_spatial_layer_id = ps_ilp_mv_variables->u1_spatial_layer_id;
WORD32 i4_num_ilp_mvs = 0;
s_frame_dims.i4_abscissa = ps_svc_ilp_data->ps_residual_bufs[u1_spatial_layer_id].u4_width;
s_frame_dims.i4_ordinate = ps_svc_ilp_data->ps_residual_bufs[u1_spatial_layer_id].u4_height;
s_frame_dims_in_mbs.i4_abscissa = s_frame_dims.i4_abscissa / MB_SIZE;
s_frame_dims_in_mbs.i4_ordinate = s_frame_dims.i4_ordinate / MB_SIZE;
s_ref_frame_dims.i4_abscissa =
ps_svc_ilp_data->ps_residual_bufs[u1_spatial_layer_id - 1].u4_width;
s_ref_frame_dims.i4_ordinate =
ps_svc_ilp_data->ps_residual_bufs[u1_spatial_layer_id - 1].u4_height;
s_ref_frame_dims_in_mbs.i4_abscissa = s_ref_frame_dims.i4_abscissa / MB_SIZE;
s_ref_frame_dims_in_mbs.i4_ordinate = s_ref_frame_dims.i4_ordinate / MB_SIZE;
ps_ref_layer_data = &ps_svc_au_data->ps_svc_layer_data[u1_spatial_layer_id - 1];
ps_layer_state = &ps_ilp_mv_state->ps_layer_state[u1_spatial_layer_id];
ps_mb_state =
&ps_layer_state->ps_mb_states[ps_mb_pos->i4_abscissa +
ps_mb_pos->i4_ordinate * s_frame_dims_in_mbs.i4_abscissa];
for(i = 0; i < MAX_PU_IN_MB_COL; i++)
{
for(j = 0; j < MAX_PU_IN_MB_ROW; j++)
{
b_is_mv_non_identical = true;
ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs][L0] = s_default_mv;
ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs][L1] = s_default_mv;
ps_ref_mb_info =
&ps_ref_layer_data->ps_mb_info[ps_mb_state->as_mb_positions[i][j].i4_abscissa +
ps_mb_state->as_mb_positions[i][j].i4_ordinate *
s_ref_frame_dims_in_mbs.i4_abscissa];
if((ps_ref_mb_info->u2_mb_type == P16x16) || (ps_ref_mb_info->u2_mb_type == B16x16))
{
ps_ilp_mv_outputs->s_ilp_me_cands.e_mb_type[i4_num_ilp_mvs] =
ps_ref_mb_info->u2_mb_type;
ps_ilp_mv_outputs->s_ilp_me_cands.ae_pred_mode[i4_num_ilp_mvs] =
ps_ref_mb_info->as_pu->u1_pred_mode;
if(ps_ilp_mv_outputs->s_ilp_me_cands.ae_pred_mode[i4_num_ilp_mvs] != L0)
{
ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs][L1] =
ps_ref_mb_info->as_pu->as_me_info[L1];
ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs][L1].s_mv.i2_mvx =
(ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs][L1].s_mv.i2_mvx *
ps_layer_state->s_mv_scale.i4_abscissa +
32768) >>
16;
ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs][L1].s_mv.i2_mvy =
(ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs][L1].s_mv.i2_mvy *
ps_layer_state->s_mv_scale.i4_ordinate +
32768) >>
16;
}
if(ps_ilp_mv_outputs->s_ilp_me_cands.ae_pred_mode[i4_num_ilp_mvs] != L1)
{
ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs][L0] =
ps_ref_mb_info->as_pu->as_me_info[L0];
ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs][L0].s_mv.i2_mvx =
(ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs][L0].s_mv.i2_mvx *
ps_layer_state->s_mv_scale.i4_abscissa +
32768) >>
16;
ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs][L0].s_mv.i2_mvy =
(ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs][L0].s_mv.i2_mvy *
ps_layer_state->s_mv_scale.i4_ordinate +
32768) >>
16;
}
if(i4_num_ilp_mvs == 0)
{
i4_num_ilp_mvs++;
}
else
{
for(k = i4_num_ilp_mvs - 1; k >= 0; k--)
{
if((ps_ilp_mv_outputs->s_ilp_me_cands.e_mb_type[k] ==
ps_ilp_mv_outputs->s_ilp_me_cands.e_mb_type[i4_num_ilp_mvs]) &&
(ps_ilp_mv_outputs->s_ilp_me_cands.ae_pred_mode[k] ==
ps_ilp_mv_outputs->s_ilp_me_cands.ae_pred_mode[i4_num_ilp_mvs]) &&
isvce_check_identical_mv(
ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[k],
ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs],
ps_ilp_mv_outputs->s_ilp_me_cands.ae_pred_mode[k]))
{
b_is_mv_non_identical = false;
}
}
if(b_is_mv_non_identical)
{
i4_num_ilp_mvs++;
}
}
}
else
{
ps_ilp_mv_outputs->s_ilp_me_cands.e_mb_type[i4_num_ilp_mvs] = INVALID_MB_TYPE;
}
}
}
ps_ilp_mv_outputs->s_ilp_me_cands.u4_num_ilp_mvs = i4_num_ilp_mvs;
for(i = 0; i < MAX_ILP_MV_IN_NBR_RGN; i++)
{
b_is_mv_non_identical = true;
ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs][L0] = s_default_mv;
ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs][L1] = s_default_mv;
if(ps_mb_pos->i4_abscissa + gai1_nbr_ilp_mv_map[i][0] >= 0 &&
ps_mb_pos->i4_abscissa + gai1_nbr_ilp_mv_map[i][0] < s_frame_dims_in_mbs.i4_abscissa &&
ps_mb_pos->i4_ordinate + gai1_nbr_ilp_mv_map[i][1] >= 0 &&
ps_mb_pos->i4_ordinate + gai1_nbr_ilp_mv_map[i][1] < s_frame_dims_in_mbs.i4_ordinate)
{
ps_mb_state =
&ps_layer_state->ps_mb_states[(ps_mb_pos->i4_abscissa + gai1_nbr_ilp_mv_map[i][0]) +
(ps_mb_pos->i4_ordinate + gai1_nbr_ilp_mv_map[i][1]) *
s_frame_dims_in_mbs.i4_abscissa];
ps_ref_mb_info =
&ps_ref_layer_data->ps_mb_info[(ps_mb_state
->as_mb_positions[gai1_nbr_ilp_mv_map[i][2]]
[gai1_nbr_ilp_mv_map[i][3]]
.i4_abscissa) +
ps_mb_state
->as_mb_positions[gai1_nbr_ilp_mv_map[i][2]]
[gai1_nbr_ilp_mv_map[i][3]]
.i4_ordinate *
s_ref_frame_dims_in_mbs.i4_abscissa];
if((ps_ref_mb_info->u2_mb_type == P16x16) || (ps_ref_mb_info->u2_mb_type == B16x16))
{
ps_ilp_mv_outputs->s_ilp_me_cands.e_mb_type[i4_num_ilp_mvs] =
ps_ref_mb_info->u2_mb_type;
ps_ilp_mv_outputs->s_ilp_me_cands.ae_pred_mode[i4_num_ilp_mvs] =
ps_ref_mb_info->as_pu->u1_pred_mode;
if(ps_ilp_mv_outputs->s_ilp_me_cands.ae_pred_mode[i4_num_ilp_mvs] != L0)
{
ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs][L1] =
ps_ref_mb_info->as_pu->as_me_info[L1];
ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs][L1].s_mv.i2_mvx =
(ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs][L1].s_mv.i2_mvx *
ps_layer_state->s_mv_scale.i4_abscissa +
32768) >>
16;
ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs][L1].s_mv.i2_mvy =
(ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs][L1].s_mv.i2_mvy *
ps_layer_state->s_mv_scale.i4_ordinate +
32768) >>
16;
}
if(ps_ilp_mv_outputs->s_ilp_me_cands.ae_pred_mode[i4_num_ilp_mvs] != L1)
{
ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs][L0] =
ps_ref_mb_info->as_pu->as_me_info[L0];
ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs][L0].s_mv.i2_mvx =
(ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs][L0].s_mv.i2_mvx *
ps_layer_state->s_mv_scale.i4_abscissa +
32768) >>
16;
ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs][L0].s_mv.i2_mvy =
(ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs][L0].s_mv.i2_mvy *
ps_layer_state->s_mv_scale.i4_ordinate +
32768) >>
16;
}
if(i4_num_ilp_mvs == 0)
{
i4_num_ilp_mvs++;
}
else
{
for(k = i4_num_ilp_mvs - 1; k >= 0; k--)
{
if((ps_ilp_mv_outputs->s_ilp_me_cands.e_mb_type[k] ==
ps_ilp_mv_outputs->s_ilp_me_cands.e_mb_type[i4_num_ilp_mvs]) &&
(ps_ilp_mv_outputs->s_ilp_me_cands.ae_pred_mode[k] ==
ps_ilp_mv_outputs->s_ilp_me_cands.ae_pred_mode[i4_num_ilp_mvs]) &&
isvce_check_identical_mv(
ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[k],
ps_ilp_mv_outputs->s_ilp_me_cands.as_mv[i4_num_ilp_mvs],
ps_ilp_mv_outputs->s_ilp_me_cands.ae_pred_mode[k]))
b_is_mv_non_identical = false;
}
if(b_is_mv_non_identical)
{
i4_num_ilp_mvs++;
}
}
}
else
{
ps_ilp_mv_outputs->s_ilp_me_cands.e_mb_type[i4_num_ilp_mvs] = INVALID_MB_TYPE;
}
}
}
ps_ilp_mv_outputs->s_ilp_me_cands.u4_num_ilp_mvs_incl_nbrs = i4_num_ilp_mvs;
}
void isvce_get_mb_ilp_mv(svc_ilp_mv_ctxt_t *ps_ilp_mv_ctxt)
{
svc_layer_data_t *ps_ref_layer_data;
ilp_mv_layer_state_t *ps_layer_state;
ilp_mv_mb_state_t *ps_mb_state;
isvce_mb_info_t *ps_ref_mb_info;
coordinates_t s_frame_dims;
coordinates_t s_frame_dims_in_mbs;
coordinates_t s_ref_frame_dims;
coordinates_t s_ref_frame_dims_in_mbs;
WORD32 i, j;
ilp_mv_constants_t *ps_ilp_mv_constants = &ps_ilp_mv_ctxt->s_ilp_mv_constants;
ilp_mv_variables_t *ps_ilp_mv_variables = &ps_ilp_mv_ctxt->s_ilp_mv_variables;
ilp_mv_outputs_t *ps_ilp_mv_outputs = &ps_ilp_mv_ctxt->s_ilp_mv_outputs;
ilp_mv_state_t *ps_ilp_mv_state = (ilp_mv_state_t *) ps_ilp_mv_constants->pv_state;
svc_ilp_data_t *ps_svc_ilp_data = ps_ilp_mv_variables->ps_svc_ilp_data;
svc_au_data_t *ps_svc_au_data = ps_svc_ilp_data->ps_svc_au_data;
coordinates_t *ps_mb_pos = &ps_ilp_mv_variables->s_mb_pos;
const isvce_enc_pu_mv_t s_default_mv = {{0, 0}, -1};
UWORD8 u1_spatial_layer_id = ps_ilp_mv_variables->u1_spatial_layer_id;
s_frame_dims.i4_abscissa = ps_svc_ilp_data->ps_residual_bufs[u1_spatial_layer_id].u4_width;
s_frame_dims.i4_ordinate = ps_svc_ilp_data->ps_residual_bufs[u1_spatial_layer_id].u4_height;
s_frame_dims_in_mbs.i4_abscissa = s_frame_dims.i4_abscissa / MB_SIZE;
s_frame_dims_in_mbs.i4_ordinate = s_frame_dims.i4_ordinate / MB_SIZE;
s_ref_frame_dims.i4_abscissa =
ps_svc_ilp_data->ps_residual_bufs[u1_spatial_layer_id - 1].u4_width;
s_ref_frame_dims.i4_ordinate =
ps_svc_ilp_data->ps_residual_bufs[u1_spatial_layer_id - 1].u4_height;
s_ref_frame_dims_in_mbs.i4_abscissa = s_ref_frame_dims.i4_abscissa / MB_SIZE;
s_ref_frame_dims_in_mbs.i4_ordinate = s_ref_frame_dims.i4_ordinate / MB_SIZE;
ps_ref_layer_data = &ps_svc_au_data->ps_svc_layer_data[u1_spatial_layer_id - 1];
ps_layer_state = &ps_ilp_mv_state->ps_layer_state[u1_spatial_layer_id];
ps_mb_state =
&ps_layer_state->ps_mb_states[ps_mb_pos->i4_abscissa +
ps_mb_pos->i4_ordinate * s_frame_dims_in_mbs.i4_abscissa];
ps_ilp_mv_outputs->s_ilp_mv.as_mv[0][L0] = s_default_mv;
ps_ilp_mv_outputs->s_ilp_mv.as_mv[0][L1] = s_default_mv;
ps_ref_mb_info = &ps_ref_layer_data->ps_mb_info[ps_mb_state->as_mb_positions[0][0].i4_abscissa +
ps_mb_state->as_mb_positions[0][0].i4_ordinate *
s_ref_frame_dims_in_mbs.i4_abscissa];
if((ps_ref_mb_info->u2_mb_type == P16x16) || (ps_ref_mb_info->u2_mb_type == B16x16))
{
ps_ilp_mv_outputs->s_ilp_mv.e_mb_type = ps_ref_mb_info->u2_mb_type;
ps_ilp_mv_outputs->s_ilp_mv.ae_pred_mode[0] = ps_ref_mb_info->as_pu->u1_pred_mode;
if(ps_ilp_mv_outputs->s_ilp_mv.ae_pred_mode[0] != L0)
{
ps_ilp_mv_outputs->s_ilp_mv.as_mv[0][L1] = ps_ref_mb_info->as_pu->as_me_info[L1];
}
if(ps_ilp_mv_outputs->s_ilp_mv.ae_pred_mode[0] != L1)
{
ps_ilp_mv_outputs->s_ilp_mv.as_mv[0][L0] = ps_ref_mb_info->as_pu->as_me_info[L0];
}
}
else
{
ps_ilp_mv_outputs->s_ilp_mv.e_mb_type = INVALID_MB_TYPE;
}
/* Function call to get non 16x16 ilp mvs for me candidates */
isvce_get_ilp_mvs_for_me(ps_ilp_mv_ctxt);
/* Encoder supports only 16x16 partition. */
/* The code below ensures only 16x16 ILP MV's are used */
for(i = 0; i < MAX_PU_IN_MB_COL; i++)
{
for(j = 0; j < MAX_PU_IN_MB_ROW; j++)
{
bool b_unsupported_mv;
ps_ref_mb_info =
&ps_ref_layer_data->ps_mb_info[ps_mb_state->as_mb_positions[i][j].i4_abscissa +
ps_mb_state->as_mb_positions[i][j].i4_ordinate *
s_ref_frame_dims_in_mbs.i4_abscissa];
b_unsupported_mv =
(ps_ref_mb_info->u2_mb_type != ps_ilp_mv_outputs->s_ilp_mv.e_mb_type) ||
(ps_ilp_mv_outputs->s_ilp_mv.ae_pred_mode[0] !=
ps_ref_mb_info->as_pu->u1_pred_mode) ||
!isvce_check_identical_mv(ps_ilp_mv_outputs->s_ilp_mv.as_mv[0],
ps_ref_mb_info->as_pu->as_me_info,
ps_ilp_mv_outputs->s_ilp_mv.ae_pred_mode[0]);
if(b_unsupported_mv)
{
ps_ilp_mv_outputs->s_ilp_mv.as_mv[0][L0] = s_default_mv;
ps_ilp_mv_outputs->s_ilp_mv.as_mv[0][L1] = s_default_mv;
ps_ilp_mv_outputs->s_ilp_mv.e_mb_type = INVALID_MB_TYPE;
return;
}
}
}
if(ps_ilp_mv_outputs->s_ilp_mv.e_mb_type != INVALID_MB_TYPE)
{
if(ps_ilp_mv_outputs->s_ilp_mv.ae_pred_mode[0] != L0)
{
ps_ilp_mv_outputs->s_ilp_mv.as_mv[0][L1].s_mv.i2_mvx =
(ps_ilp_mv_outputs->s_ilp_mv.as_mv[0][L1].s_mv.i2_mvx *
ps_layer_state->s_mv_scale.i4_abscissa +
32768) >>
16;
ps_ilp_mv_outputs->s_ilp_mv.as_mv[0][L1].s_mv.i2_mvy =
(ps_ilp_mv_outputs->s_ilp_mv.as_mv[0][L1].s_mv.i2_mvy *
ps_layer_state->s_mv_scale.i4_ordinate +
32768) >>
16;
}
if(ps_ilp_mv_outputs->s_ilp_mv.ae_pred_mode[0] != L1)
{
ps_ilp_mv_outputs->s_ilp_mv.as_mv[0][L0].s_mv.i2_mvx =
(ps_ilp_mv_outputs->s_ilp_mv.as_mv[0][L0].s_mv.i2_mvx *
ps_layer_state->s_mv_scale.i4_abscissa +
32768) >>
16;
ps_ilp_mv_outputs->s_ilp_mv.as_mv[0][L0].s_mv.i2_mvy =
(ps_ilp_mv_outputs->s_ilp_mv.as_mv[0][L0].s_mv.i2_mvy *
ps_layer_state->s_mv_scale.i4_ordinate +
32768) >>
16;
}
}
else
{
ps_ilp_mv_outputs->s_ilp_mv.e_mb_type = INVALID_MB_TYPE;
ps_ilp_mv_outputs->s_ilp_mv.ae_pred_mode[0] = INVALID_PRED_MODE;
}
}
void isvce_mvp_idx_eval(isvce_mb_info_t *ps_mb_info, isvce_enc_pu_mv_t *ps_spatial_mvp,
isvce_enc_pu_mv_t *ps_ilp_mvp, UWORD8 *pu1_mvd_costs)
{
if(USE_ILP_MV_AS_MVP && ps_ilp_mvp && !ps_mb_info->u1_is_intra &&
(ps_mb_info->u2_mb_type != PSKIP) && (ps_mb_info->u2_mb_type != BSKIP) &&
(ps_mb_info->u2_mb_type != BASE_MODE))
{
isvce_enc_pu_mv_t *ps_mv;
isvce_enc_pu_mv_t *aps_mvps[2];
WORD32 ai4_mvd_costs[2];
WORD32 i, j;
for(i = 0; i < NUM_PRED_DIRS; i++)
{
PRED_MODE_T e_pred_mode = (PRED_MODE_T) i;
PRED_MODE_T e_cmpl_pred_mode = (e_pred_mode == L0) ? L1 : L0;
if(ps_mb_info->as_pu->u1_pred_mode != e_pred_mode)
{
ps_mv = &ps_mb_info->as_pu->as_me_info[e_cmpl_pred_mode];
aps_mvps[0] = &ps_spatial_mvp[e_cmpl_pred_mode];
aps_mvps[1] = &ps_ilp_mvp[e_cmpl_pred_mode];
for(j = 0; j < 2; j++)
{
if((aps_mvps[j]->i1_ref_idx != -1) &&
(!j || ((j == 1) && (ps_mv->i1_ref_idx == aps_mvps[j]->i1_ref_idx))))
{
ai4_mvd_costs[j] =
pu1_mvd_costs[ps_mv->s_mv.i2_mvx - aps_mvps[j]->s_mv.i2_mvx] +
pu1_mvd_costs[ps_mv->s_mv.i2_mvy - aps_mvps[j]->s_mv.i2_mvy];
}
else
{
ai4_mvd_costs[j] = INT32_MAX;
}
}
ps_mb_info->as_pu->au1_mvp_idx[e_cmpl_pred_mode] =
ai4_mvd_costs[0] > ai4_mvd_costs[1];
}
else
{
ps_mb_info->as_pu->au1_mvp_idx[e_cmpl_pred_mode] = 0;
}
}
}
else
{
ps_mb_info->as_pu->au1_mvp_idx[L0] = 0;
ps_mb_info->as_pu->au1_mvp_idx[L1] = 0;
}
}