/******************************************************************************
*
* Copyright (C) 2012 Ittiam Systems Pvt Ltd, Bangalore
*
* 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.
*
******************************************************************************/
/**
*******************************************************************************
* @file
* ihevcd_process_slice.c
*
* @brief
* Contains functions for processing slice data
*
* @author
* Harish
*
* @par List of Functions:
*
* @remarks
* None
*
*******************************************************************************
*/
/*****************************************************************************/
/* File Includes */
/*****************************************************************************/
#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "ihevc_typedefs.h"
#include "iv.h"
#include "ivd.h"
#include "ihevcd_cxa.h"
#include "ithread.h"
#include "ihevc_defs.h"
#include "ihevc_debug.h"
#include "ihevc_defs.h"
#include "ihevc_structs.h"
#include "ihevc_macros.h"
#include "ihevc_platform_macros.h"
#include "ihevc_cabac_tables.h"
#include "ihevc_padding.h"
#include "ihevc_iquant_itrans_recon.h"
#include "ihevc_chroma_iquant_itrans_recon.h"
#include "ihevc_recon.h"
#include "ihevc_chroma_recon.h"
#include "ihevc_iquant_recon.h"
#include "ihevc_chroma_iquant_recon.h"
#include "ihevc_intra_pred.h"
#include "ihevc_error.h"
#include "ihevc_common_tables.h"
#include "ihevc_quant_tables.h"
#include "ihevcd_common_tables.h"
#include "ihevcd_profile.h"
#include "ihevcd_trace.h"
#include "ihevcd_defs.h"
#include "ihevcd_function_selector.h"
#include "ihevcd_structs.h"
#include "ihevcd_error.h"
#include "ihevcd_nal.h"
#include "ihevcd_bitstream.h"
#include "ihevcd_job_queue.h"
#include "ihevcd_utils.h"
#include "ihevcd_debug.h"
#include "ihevcd_get_mv.h"
#include "ihevcd_inter_pred.h"
#include "ihevcd_iquant_itrans_recon_ctb.h"
#include "ihevcd_boundary_strength.h"
#include "ihevcd_deblk.h"
#include "ihevcd_fmt_conv.h"
#include "ihevcd_sao.h"
#include "ihevcd_profile.h"
IHEVCD_ERROR_T ihevcd_fmt_conv(codec_t *ps_codec,
process_ctxt_t *ps_proc,
UWORD8 *pu1_y_dst,
UWORD8 *pu1_u_dst,
UWORD8 *pu1_v_dst,
WORD32 cur_row,
WORD32 num_rows);
typedef enum
{
PROC_ALL,
PROC_INTER_PRED,
PROC_RECON,
PROC_DEBLK,
PROC_SAO
}proc_type_t;
void ihevcd_proc_map_check(process_ctxt_t *ps_proc, proc_type_t proc_type, WORD32 nctb)
{
tile_t *ps_tile = ps_proc->ps_tile;
sps_t *ps_sps = ps_proc->ps_sps;
pps_t *ps_pps = ps_proc->ps_pps;
codec_t *ps_codec = ps_proc->ps_codec;
WORD32 idx;
WORD32 nop_cnt;
WORD32 bit_pos = proc_type;
WORD32 bit_mask = (1 << bit_pos);
if(ps_proc->i4_check_proc_status)
{
nop_cnt = PROC_NOP_CNT;
while(1)
{
volatile UWORD8 *pu1_buf;
volatile WORD32 status;
status = 1;
/* Check if all dependencies for the next nCTBs are met */
{
WORD32 x_pos;
{
/* Check if the top right of next nCTBs are processed */
if(ps_proc->i4_ctb_y > 0)
{
x_pos = (ps_proc->i4_ctb_tile_x + nctb);
idx = MIN(x_pos, (ps_tile->u2_wd - 1));
/* Check if top-right CTB for the last CTB in nCTB is within the tile */
{
idx += ps_tile->u1_pos_x;
idx += ((ps_proc->i4_ctb_y - 1)
* ps_sps->i2_pic_wd_in_ctb);
pu1_buf = (ps_codec->pu1_proc_map + idx);
status = *pu1_buf & bit_mask;
}
}
}
/* If tiles are enabled, then test left and top-left as well */
ps_pps = ps_proc->ps_pps;
if(ps_pps->i1_tiles_enabled_flag)
{
/*Check if left ctb is processed*/
if((ps_proc->i4_ctb_x > 0) && ((0 != status)))
{
x_pos = ps_tile->u1_pos_x + ps_proc->i4_ctb_tile_x - 1;
idx = x_pos + (ps_proc->i4_ctb_y * ps_sps->i2_pic_wd_in_ctb);
pu1_buf = (ps_codec->pu1_proc_map + idx);
status = *pu1_buf & bit_mask;
}
/*Check if top left ctb is processed*/
if((ps_proc->i4_ctb_x > 0) && (0 != status) && (ps_proc->i4_ctb_y > 0))
{
x_pos = ps_tile->u1_pos_x + ps_proc->i4_ctb_tile_x - 1;
idx = x_pos + ((ps_proc->i4_ctb_y - 1) * ps_sps->i2_pic_wd_in_ctb);
pu1_buf = (ps_codec->pu1_proc_map + idx);
status = *pu1_buf & bit_mask;
}
}
}
if(status)
break;
/* if dependencies are not met, then wait for few cycles.
* Even after few iterations, if the dependencies are not met then yield
*/
if(nop_cnt > 0)
{
NOP(128);
nop_cnt -= 128;
}
else
{
nop_cnt = PROC_NOP_CNT;
ithread_yield();
//NOP(128 * 16);
}
}
DATA_SYNC();
}
}
void ihevcd_proc_map_update(process_ctxt_t *ps_proc, proc_type_t proc_type, WORD32 nctb)
{
codec_t *ps_codec = ps_proc->ps_codec;
WORD32 i, idx;
WORD32 bit_pos = proc_type;
WORD32 bit_mask = (1 << bit_pos);
/* Update the current CTBs processing status */
if(ps_proc->i4_check_proc_status)
{
DATA_SYNC();
for(i = 0; i < nctb; i++)
{
sps_t *ps_sps = ps_proc->ps_sps;
UWORD8 *pu1_buf;
idx = (ps_proc->i4_ctb_x + i);
idx += ((ps_proc->i4_ctb_y) * ps_sps->i2_pic_wd_in_ctb);
pu1_buf = (ps_codec->pu1_proc_map + idx);
*pu1_buf = *pu1_buf | bit_mask;
}
}
}
void ihevcd_slice_hdr_update(process_ctxt_t *ps_proc)
{
/* Slice x and y are initialized in proc_init. But initialize slice x and y count here
* if a new slice begins at the middle of a row since proc_init is invoked only at the beginning of each row */
if(!((ps_proc->i4_ctb_x == 0) && (ps_proc->i4_ctb_y == 0)))
{
slice_header_t *ps_slice_hdr_next = ps_proc->ps_codec->ps_slice_hdr_base + ((ps_proc->i4_cur_slice_idx + 1) & (MAX_SLICE_HDR_CNT - 1));
if((ps_slice_hdr_next->i2_ctb_x == ps_proc->i4_ctb_x)
&& (ps_slice_hdr_next->i2_ctb_y == ps_proc->i4_ctb_y))
{
if(0 == ps_slice_hdr_next->i1_dependent_slice_flag)
{
ps_proc->i4_ctb_slice_x = 0;
ps_proc->i4_ctb_slice_y = 0;
}
ps_proc->i4_cur_slice_idx++;
ps_proc->ps_slice_hdr = ps_slice_hdr_next;
}
}
}
void ihevcd_ctb_pos_update(process_ctxt_t *ps_proc, WORD32 nctb)
{
WORD32 tile_start_ctb_idx, slice_start_ctb_idx;
slice_header_t *ps_slice_hdr = ps_proc->ps_slice_hdr;
tile_t *ps_tile = ps_proc->ps_tile;
sps_t *ps_sps = ps_proc->ps_sps;
/* Update x and y positions */
ps_proc->i4_ctb_tile_x += nctb;
ps_proc->i4_ctb_x += nctb;
ps_proc->i4_ctb_slice_x += nctb;
/*If tile are enabled, then handle the tile & slice counters differently*/
if(ps_proc->ps_pps->i1_tiles_enabled_flag)
{
/* Update slice counters*/
slice_start_ctb_idx = ps_slice_hdr->i2_ctb_x + (ps_slice_hdr->i2_ctb_y * ps_sps->i2_pic_wd_in_ctb);
tile_start_ctb_idx = ps_tile->u1_pos_x + (ps_tile->u1_pos_y * ps_sps->i2_pic_wd_in_ctb);
/*
* There can be 2 cases where slice counters must be handled differently.
* 1 - Multiple tiles span across a single/one of the many slice.
* 2 - Multiple slices span across a single/one of the many tiles.
*/
/*Case 1 */
if(slice_start_ctb_idx < tile_start_ctb_idx)
{
/*End of tile row*/
if(ps_proc->i4_ctb_x > ps_slice_hdr->i2_ctb_x)
{
if(ps_proc->i4_ctb_slice_x >= (ps_tile->u2_wd + ps_tile->u1_pos_x))
{
ps_proc->i4_ctb_slice_y++;
ps_proc->i4_ctb_slice_x = ps_proc->i4_ctb_slice_x
- ps_tile->u2_wd;
}
}
else
{
WORD32 temp_stride = (ps_sps->i2_pic_wd_in_ctb - ps_slice_hdr->i2_ctb_x);
if(ps_proc->i4_ctb_slice_x >= (temp_stride + ps_tile->u2_wd + ps_tile->u1_pos_x))
{
ps_proc->i4_ctb_slice_y++;
ps_proc->i4_ctb_slice_x = ps_proc->i4_ctb_slice_x
- ps_tile->u2_wd;
}
}
}
/*Case 2*/
else if(ps_proc->i4_ctb_slice_x >= (ps_tile->u2_wd))
{
/*End of tile row*/
ps_proc->i4_ctb_slice_y++;
ps_proc->i4_ctb_slice_x = 0;
}
}
else
{
if(ps_proc->i4_ctb_slice_x >= ps_tile->u2_wd)
{
ps_proc->i4_ctb_slice_y++;
ps_proc->i4_ctb_slice_x = ps_proc->i4_ctb_slice_x
- ps_tile->u2_wd;
}
}
}
void ihevcd_ctb_avail_update(process_ctxt_t *ps_proc)
{
slice_header_t *ps_slice_hdr = ps_proc->ps_slice_hdr;
sps_t *ps_sps = ps_proc->ps_sps;
tile_t *ps_tile_prev;
tile_t *ps_tile = ps_proc->ps_tile;
WORD32 cur_pu_idx;
WORD32 tile_start_ctb_idx, slice_start_ctb_idx;
WORD16 i2_wd_in_ctb;
WORD32 continuous_tiles = 0;
WORD32 cur_ctb_idx;
WORD32 check_tile_wd;
if((0 != ps_tile->u1_pos_x) && (0 != ps_tile->u1_pos_y))
{
ps_tile_prev = ps_tile - 1;
}
else
{
ps_tile_prev = ps_tile;
}
check_tile_wd = ps_slice_hdr->i2_ctb_x + ps_tile_prev->u2_wd;
if(!(((check_tile_wd >= ps_sps->i2_pic_wd_in_ctb) && (check_tile_wd % ps_sps->i2_pic_wd_in_ctb == ps_tile->u1_pos_x))
|| ((ps_slice_hdr->i2_ctb_x == ps_tile->u1_pos_x))))
{
continuous_tiles = 1;
}
slice_start_ctb_idx = ps_slice_hdr->i2_ctb_x + (ps_slice_hdr->i2_ctb_y * ps_sps->i2_pic_wd_in_ctb);
tile_start_ctb_idx = ps_tile->u1_pos_x + (ps_tile->u1_pos_y * ps_sps->i2_pic_wd_in_ctb);
if((slice_start_ctb_idx < tile_start_ctb_idx) && (continuous_tiles))
{
//Slices span across multiple tiles.
i2_wd_in_ctb = ps_sps->i2_pic_wd_in_ctb;
}
else
{
i2_wd_in_ctb = ps_tile->u2_wd;
}
cur_ctb_idx = ps_proc->i4_ctb_x
+ ps_proc->i4_ctb_y * (ps_sps->i2_pic_wd_in_ctb);
/* Ctb level availability */
/* Bottom left will not be available at a CTB level, no need to pass this */
ps_proc->u1_top_ctb_avail = 1;
ps_proc->u1_left_ctb_avail = 1;
ps_proc->u1_top_lt_ctb_avail = 1;
ps_proc->u1_top_rt_ctb_avail = 1;
/* slice and tile boundaries */
if((0 == ps_proc->i4_ctb_y) || (0 == ps_proc->i4_ctb_tile_y))
{
ps_proc->u1_top_ctb_avail = 0;
ps_proc->u1_top_lt_ctb_avail = 0;
ps_proc->u1_top_rt_ctb_avail = 0;
}
if((0 == ps_proc->i4_ctb_x) || (0 == ps_proc->i4_ctb_tile_x))
{
ps_proc->u1_left_ctb_avail = 0;
ps_proc->u1_top_lt_ctb_avail = 0;
if((0 == ps_proc->i4_ctb_slice_y) || (0 == ps_proc->i4_ctb_tile_y))
{
ps_proc->u1_top_ctb_avail = 0;
if((i2_wd_in_ctb - 1) != ps_proc->i4_ctb_slice_x)
{
ps_proc->u1_top_rt_ctb_avail = 0;
}
}
}
/*For slices not beginning at start of a ctb row*/
else if(ps_proc->i4_ctb_x > 0)
{
if((0 == ps_proc->i4_ctb_slice_y) || (0 == ps_proc->i4_ctb_tile_y))
{
ps_proc->u1_top_ctb_avail = 0;
ps_proc->u1_top_lt_ctb_avail = 0;
if(0 == ps_proc->i4_ctb_slice_x)
{
ps_proc->u1_left_ctb_avail = 0;
}
if((i2_wd_in_ctb - 1) != ps_proc->i4_ctb_slice_x)
{
ps_proc->u1_top_rt_ctb_avail = 0;
}
}
else if((1 == ps_proc->i4_ctb_slice_y) && (0 == ps_proc->i4_ctb_slice_x))
{
ps_proc->u1_top_lt_ctb_avail = 0;
}
}
if((ps_proc->i4_ctb_x == (ps_sps->i2_pic_wd_in_ctb - 1)) || ((ps_tile->u2_wd - 1) == ps_proc->i4_ctb_tile_x))
{
ps_proc->u1_top_rt_ctb_avail = 0;
}
{
WORD32 next_ctb_idx;
next_ctb_idx = cur_ctb_idx + 1;
if(ps_tile->u2_wd == (ps_proc->i4_ctb_tile_x + 1))
{
if((ps_proc->i4_ctb_tile_y + 1) == ps_tile->u2_ht)
{
//Last tile
if(((ps_proc->i4_ctb_tile_y + 1 + ps_tile->u1_pos_y) == ps_sps->i2_pic_ht_in_ctb) && ((ps_proc->i4_ctb_tile_x + 1 + ps_tile->u1_pos_x) == ps_sps->i2_pic_wd_in_ctb))
{
next_ctb_idx = cur_ctb_idx + 1;
}
else //Not last tile, but new tile
{
tile_t *ps_tile_next = ps_proc->ps_tile + 1;
next_ctb_idx = ps_tile_next->u1_pos_x + (ps_tile_next->u1_pos_y * ps_sps->i2_pic_wd_in_ctb);
}
}
else //End of each tile row
{
next_ctb_idx = ((ps_tile->u1_pos_y + ps_proc->i4_ctb_tile_y + 1) * ps_sps->i2_pic_wd_in_ctb) + ps_tile->u1_pos_x;
}
}
ps_proc->i4_next_pu_ctb_cnt = next_ctb_idx;
ps_proc->i4_ctb_pu_cnt =
ps_proc->pu4_pic_pu_idx[next_ctb_idx]
- ps_proc->pu4_pic_pu_idx[cur_ctb_idx];
cur_pu_idx = ps_proc->pu4_pic_pu_idx[cur_ctb_idx];
ps_proc->i4_ctb_start_pu_idx = cur_pu_idx;
ps_proc->ps_pu = &ps_proc->ps_pic_pu[cur_pu_idx];
}
}
void ihevcd_update_ctb_tu_cnt(process_ctxt_t *ps_proc)
{
sps_t *ps_sps = ps_proc->ps_sps;
codec_t *ps_codec = ps_proc->ps_codec;
WORD32 cur_ctb_idx;
cur_ctb_idx = ps_proc->i4_ctb_x
+ ps_proc->i4_ctb_y * (ps_sps->i2_pic_wd_in_ctb);
{
tile_t *ps_tile;
WORD32 next_ctb_tu_idx;
ps_tile = ps_proc->ps_tile;
if(1 == ps_codec->i4_num_cores)
{
next_ctb_tu_idx = cur_ctb_idx % RESET_TU_BUF_NCTB + 1;
if(ps_tile->u2_wd == (ps_proc->i4_ctb_tile_x + 1))
{
if((ps_proc->i4_ctb_tile_y + 1) == ps_tile->u2_ht)
{
//Last tile
if(((ps_proc->i4_ctb_tile_y + 1 + ps_tile->u1_pos_y) == ps_sps->i2_pic_ht_in_ctb) && ((ps_proc->i4_ctb_tile_x + 1 + ps_tile->u1_pos_x) == ps_sps->i2_pic_wd_in_ctb))
{
next_ctb_tu_idx = (cur_ctb_idx % RESET_TU_BUF_NCTB) + 1;
}
else //Not last tile, but new tile
{
tile_t *ps_tile_next = ps_proc->ps_tile + 1;
next_ctb_tu_idx = ps_tile_next->u1_pos_x + (ps_tile_next->u1_pos_y * ps_sps->i2_pic_wd_in_ctb);
}
}
else //End of each tile row
{
next_ctb_tu_idx = ((ps_tile->u1_pos_y + ps_proc->i4_ctb_tile_y + 1) * ps_sps->i2_pic_wd_in_ctb) + ps_tile->u1_pos_x;
}
}
ps_proc->i4_next_tu_ctb_cnt = next_ctb_tu_idx;
ps_proc->i4_ctb_tu_cnt = ps_proc->pu4_pic_tu_idx[next_ctb_tu_idx] - ps_proc->pu4_pic_tu_idx[cur_ctb_idx % RESET_TU_BUF_NCTB];
}
else
{
next_ctb_tu_idx = cur_ctb_idx + 1;
if(ps_tile->u2_wd == (ps_proc->i4_ctb_tile_x + 1))
{
if((ps_proc->i4_ctb_tile_y + 1) == ps_tile->u2_ht)
{
//Last tile
if(((ps_proc->i4_ctb_tile_y + 1 + ps_tile->u1_pos_y) == ps_sps->i2_pic_ht_in_ctb) && ((ps_proc->i4_ctb_tile_x + 1 + ps_tile->u1_pos_x) == ps_sps->i2_pic_wd_in_ctb))
{
next_ctb_tu_idx = (cur_ctb_idx % RESET_TU_BUF_NCTB) + 1;
}
else //Not last tile, but new tile
{
tile_t *ps_tile_next = ps_proc->ps_tile + 1;
next_ctb_tu_idx = ps_tile_next->u1_pos_x + (ps_tile_next->u1_pos_y * ps_sps->i2_pic_wd_in_ctb);
}
}
else //End of each tile row
{
next_ctb_tu_idx = ((ps_tile->u1_pos_y + ps_proc->i4_ctb_tile_y + 1) * ps_sps->i2_pic_wd_in_ctb) + ps_tile->u1_pos_x;
}
}
ps_proc->i4_next_tu_ctb_cnt = next_ctb_tu_idx;
ps_proc->i4_ctb_tu_cnt = ps_proc->pu4_pic_tu_idx[next_ctb_tu_idx] -
ps_proc->pu4_pic_tu_idx[cur_ctb_idx];
}
}
}
IHEVCD_ERROR_T ihevcd_process(process_ctxt_t *ps_proc)
{
IHEVCD_ERROR_T ret = (IHEVCD_ERROR_T)IHEVCD_SUCCESS;
codec_t *ps_codec;
sps_t *ps_sps = ps_proc->ps_sps;
WORD32 nctb;
WORD32 i;
WORD32 idx;
WORD32 nop_cnt;
WORD32 num_minpu_in_ctb;
WORD32 cur_slice_idx, cur_ctb_tile_x, cur_ctb_slice_x, cur_ctb_tile_y, cur_ctb_slice_y;
WORD32 nxt_ctb_slice_y, nxt_ctb_slice_x;
tu_t *ps_tu_cur, *ps_tu_nxt;
UWORD8 *pu1_pu_map_cur, *pu1_pu_map_nxt;
WORD32 num_ctb, num_ctb_tmp;
proc_type_t proc_type;
WORD32 ctb_size = 1 << ps_sps->i1_log2_ctb_size;
PROFILE_DISABLE_PROCESS_CTB();
ps_codec = ps_proc->ps_codec;
num_minpu_in_ctb = (ctb_size / MIN_PU_SIZE) * (ctb_size / MIN_PU_SIZE);
nctb = MIN(ps_codec->i4_proc_nctb, ps_proc->i4_ctb_cnt);
nctb = MIN(nctb, (ps_proc->ps_tile->u2_wd - ps_proc->i4_ctb_tile_x));
if(ps_proc->i4_cur_slice_idx > (MAX_SLICE_HDR_CNT - 2 * ps_sps->i2_pic_wd_in_ctb))
{
num_ctb = 1;
}
else
{
num_ctb = ps_proc->i4_nctb;
}
nxt_ctb_slice_y = ps_proc->i4_ctb_slice_y;
nxt_ctb_slice_x = ps_proc->i4_ctb_slice_x;
pu1_pu_map_nxt = ps_proc->pu1_pu_map;
ps_tu_nxt = ps_proc->ps_tu;
while(ps_proc->i4_ctb_cnt)
{
ps_proc->i4_ctb_slice_y = nxt_ctb_slice_y;
ps_proc->i4_ctb_slice_x = nxt_ctb_slice_x;
ps_proc->pu1_pu_map = pu1_pu_map_nxt;
ps_proc->ps_tu = ps_tu_nxt;
cur_ctb_tile_x = ps_proc->i4_ctb_tile_x;
cur_ctb_tile_y = ps_proc->i4_ctb_tile_y;
cur_ctb_slice_x = ps_proc->i4_ctb_slice_x;
cur_ctb_slice_y = ps_proc->i4_ctb_slice_y;
cur_slice_idx = ps_proc->i4_cur_slice_idx;
ps_tu_cur = ps_proc->ps_tu;
pu1_pu_map_cur = ps_proc->pu1_pu_map;
proc_type = PROC_INTER_PRED;
if(ps_proc->i4_ctb_cnt < num_ctb)
{
num_ctb = ps_proc->i4_ctb_cnt;
}
num_ctb_tmp = num_ctb;
while(num_ctb_tmp)
{
slice_header_t *ps_slice_hdr;
tile_t *ps_tile = ps_proc->ps_tile;
/* Waiting for Parsing to be done*/
{
nop_cnt = PROC_NOP_CNT;
if(ps_proc->i4_check_parse_status || ps_proc->i4_check_proc_status)
{
while(1)
{
volatile UWORD8 *pu1_buf;
volatile WORD32 status;
status = 1;
/* Check if all dependencies for the next nCTBs are met */
/* Check if the next nCTBs are parsed */
if(ps_proc->i4_check_parse_status)
{
idx = (ps_proc->i4_ctb_x + nctb - 1);
idx += (ps_proc->i4_ctb_y * ps_sps->i2_pic_wd_in_ctb);
pu1_buf = (ps_codec->pu1_parse_map + idx);
status = *pu1_buf;
}
if(status)
break;
/* if dependencies are not met, then wait for few cycles.
* Even after few iterations, if the dependencies are not met then yield
*/
if(nop_cnt > 0)
{
NOP(128);
nop_cnt -= 128;
}
else
{
nop_cnt = PROC_NOP_CNT;
ithread_yield();
}
}
}
}
/* Check proc map to ensure dependencies for recon are met */
ihevcd_proc_map_check(ps_proc, proc_type, nctb);
ihevcd_slice_hdr_update(ps_proc);
ps_slice_hdr = ps_proc->ps_slice_hdr;
//ihevcd_mv_prediction();
//ihevcd_lvl_unpack();
//ihevcd_inter_iq_it_recon();
//Following does prediction, iq, it and recon on a TU by TU basis for intra TUs
//ihevcd_intra_process();
//ihevcd_ctb_boundary_strength_islice(ps_proc, ctb_size);
//ihevcd_deblk_ctb(ps_proc);
/* iq,it recon of Intra TU */
{
UWORD32 *pu4_ctb_top_pu_idx, *pu4_ctb_left_pu_idx, *pu4_ctb_top_left_pu_idx;
WORD32 cur_ctb_idx;
ihevcd_ctb_avail_update(ps_proc);
#if DEBUG_DUMP_FRAME_BUFFERS_INFO
au1_pic_avail_ctb_flags[ps_proc->i4_ctb_x + ps_proc->i4_ctb_y * ps_sps->i2_pic_wd_in_ctb] =
((ps_proc->u1_top_ctb_avail << 3) | (ps_proc->u1_left_ctb_avail << 2) | (ps_proc->u1_top_lt_ctb_avail << 1) | (ps_proc->u1_top_rt_ctb_avail));
au4_pic_ctb_slice_xy[ps_proc->i4_ctb_x + ps_proc->i4_ctb_y * ps_sps->i2_pic_wd_in_ctb] =
(((UWORD16)ps_proc->i4_ctb_slice_x << 16) | ((UWORD16)ps_proc->i4_ctb_slice_y << 16));
#endif
/*************************************************/
/**************** MV pred **********************/
/*************************************************/
if(PSLICE == ps_slice_hdr->i1_slice_type
|| BSLICE == ps_slice_hdr->i1_slice_type)
{
mv_ctxt_t s_mv_ctxt;
pu4_ctb_top_pu_idx = ps_proc->pu4_pic_pu_idx_top
+ (ps_proc->i4_ctb_x * ctb_size / MIN_PU_SIZE);
pu4_ctb_left_pu_idx = ps_proc->pu4_pic_pu_idx_left;
pu4_ctb_top_left_pu_idx = &ps_proc->u4_ctb_top_left_pu_idx;
/* Initializing s_mv_ctxt */
if(ps_codec->i4_num_cores > MV_PRED_NUM_CORES_THRESHOLD)
{
s_mv_ctxt.ps_pps = ps_proc->ps_pps;
s_mv_ctxt.ps_sps = ps_proc->ps_sps;
s_mv_ctxt.ps_slice_hdr = ps_proc->ps_slice_hdr;
s_mv_ctxt.i4_ctb_x = ps_proc->i4_ctb_x;
s_mv_ctxt.i4_ctb_y = ps_proc->i4_ctb_y;
s_mv_ctxt.ps_pu = ps_proc->ps_pu;
s_mv_ctxt.ps_pic_pu = ps_proc->ps_pic_pu;
s_mv_ctxt.ps_tile = ps_tile;
s_mv_ctxt.pu4_pic_pu_idx_map = ps_proc->pu4_pic_pu_idx_map;
s_mv_ctxt.pu4_pic_pu_idx = ps_proc->pu4_pic_pu_idx;
s_mv_ctxt.pu1_pic_pu_map = ps_proc->pu1_pic_pu_map;
s_mv_ctxt.i4_ctb_pu_cnt = ps_proc->i4_ctb_pu_cnt;
s_mv_ctxt.i4_ctb_start_pu_idx = ps_proc->i4_ctb_start_pu_idx;
s_mv_ctxt.u1_top_ctb_avail = ps_proc->u1_top_ctb_avail;
s_mv_ctxt.u1_top_rt_ctb_avail = ps_proc->u1_top_rt_ctb_avail;
s_mv_ctxt.u1_top_lt_ctb_avail = ps_proc->u1_top_lt_ctb_avail;
s_mv_ctxt.u1_left_ctb_avail = ps_proc->u1_left_ctb_avail;
ihevcd_get_mv_ctb(&s_mv_ctxt, pu4_ctb_top_pu_idx,
pu4_ctb_left_pu_idx, pu4_ctb_top_left_pu_idx);
}
ihevcd_inter_pred_ctb(ps_proc);
}
else if(ps_codec->i4_num_cores > MV_PRED_NUM_CORES_THRESHOLD)
{
WORD32 next_ctb_idx, num_pu_per_ctb, ctb_start_pu_idx, pu_cnt;
pu_t *ps_pu;
WORD32 num_minpu_in_ctb = (ctb_size / MIN_PU_SIZE) * (ctb_size / MIN_PU_SIZE);
UWORD8 *pu1_pic_pu_map_ctb = ps_proc->pu1_pic_pu_map +
(ps_proc->i4_ctb_x + ps_proc->i4_ctb_y * ps_sps->i2_pic_wd_in_ctb) * num_minpu_in_ctb;
WORD32 row, col;
UWORD32 *pu4_nbr_pu_idx = ps_proc->pu4_pic_pu_idx_map;
WORD32 nbr_pu_idx_strd = MAX_CTB_SIZE / MIN_PU_SIZE + 2;
WORD32 ctb_size_in_min_pu = (ctb_size / MIN_PU_SIZE);
/* Neighbor PU idx update inside CTB */
/* 1byte per 4x4. Indicates the PU idx that 4x4 block belongs to */
cur_ctb_idx = ps_proc->i4_ctb_x
+ ps_proc->i4_ctb_y * (ps_sps->i2_pic_wd_in_ctb);
next_ctb_idx = ps_proc->i4_next_pu_ctb_cnt;
num_pu_per_ctb = ps_proc->pu4_pic_pu_idx[next_ctb_idx]
- ps_proc->pu4_pic_pu_idx[cur_ctb_idx];
ctb_start_pu_idx = ps_proc->pu4_pic_pu_idx[cur_ctb_idx];
ps_pu = &ps_proc->ps_pic_pu[ctb_start_pu_idx];
for(pu_cnt = 0; pu_cnt < num_pu_per_ctb; pu_cnt++, ps_pu++)
{
UWORD32 cur_pu_idx;
WORD32 pu_ht = (ps_pu->b4_ht + 1) << 2;
WORD32 pu_wd = (ps_pu->b4_wd + 1) << 2;
cur_pu_idx = ctb_start_pu_idx + pu_cnt;
for(row = 0; row < pu_ht / MIN_PU_SIZE; row++)
for(col = 0; col < pu_wd / MIN_PU_SIZE; col++)
pu4_nbr_pu_idx[(1 + ps_pu->b4_pos_x + col)
+ (1 + ps_pu->b4_pos_y + row)
* nbr_pu_idx_strd] =
cur_pu_idx;
}
/* Updating Top and Left pointers */
{
WORD32 rows_remaining = ps_sps->i2_pic_height_in_luma_samples
- (ps_proc->i4_ctb_y << ps_sps->i1_log2_ctb_size);
WORD32 ctb_size_left = MIN(ctb_size, rows_remaining);
/* Top Left */
/* saving top left before updating top ptr, as updating top ptr will overwrite the top left for the next ctb */
ps_proc->u4_ctb_top_left_pu_idx = ps_proc->pu4_pic_pu_idx_top[((ps_proc->i4_ctb_x + 1) * ctb_size / MIN_PU_SIZE) - 1];
for(i = 0; i < ctb_size / MIN_PU_SIZE; i++)
{
/* Left */
/* Last column of au4_nbr_pu_idx */
ps_proc->pu4_pic_pu_idx_left[i] =
pu4_nbr_pu_idx[(ctb_size / MIN_PU_SIZE) + (i + 1) * nbr_pu_idx_strd];
/* Top */
/* Last row of au4_nbr_pu_idx */
ps_proc->pu4_pic_pu_idx_top[(ps_proc->i4_ctb_x * ctb_size / MIN_PU_SIZE) + i] =
pu4_nbr_pu_idx[(ctb_size_left / MIN_PU_SIZE) * nbr_pu_idx_strd + i + 1];
}
/* Updating the CTB level PU idx (Used for collocated MV pred)*/
{
WORD32 ctb_row, ctb_col, index_pic_map, index_nbr_map;
WORD32 first_pu_of_ctb;
first_pu_of_ctb = pu4_nbr_pu_idx[1 + nbr_pu_idx_strd];
index_pic_map = 0 * ctb_size_in_min_pu + 0;
index_nbr_map = (0 + 1) * nbr_pu_idx_strd + (0 + 1);
for(ctb_row = 0; ctb_row < ctb_size_in_min_pu; ctb_row++)
{
for(ctb_col = 0; ctb_col < ctb_size_in_min_pu; ctb_col++)
{
pu1_pic_pu_map_ctb[index_pic_map + ctb_col] = pu4_nbr_pu_idx[index_nbr_map + ctb_col]
- first_pu_of_ctb;
}
index_pic_map += ctb_size_in_min_pu;
index_nbr_map += nbr_pu_idx_strd;
}
}
}
}
}
if(ps_proc->ps_pps->i1_tiles_enabled_flag)
{
/*Update the tile index buffer with tile information for the current ctb*/
UWORD16 *pu1_tile_idx = ps_proc->pu1_tile_idx;
pu1_tile_idx[(ps_proc->i4_ctb_x + (ps_proc->i4_ctb_y * ps_sps->i2_pic_wd_in_ctb))]
= ps_proc->i4_cur_tile_idx;
}
/*************************************************/
/*********** BS, QP and Deblocking **************/
/*************************************************/
/* Boundary strength call has to be after IQ IT recon since QP population needs ps_proc->i4_qp_const_inc_ctb flag */
{
slice_header_t *ps_slice_hdr;
ps_slice_hdr = ps_proc->ps_slice_hdr;
/* Check if deblock is disabled for the current slice or if it is disabled for the current picture
* because of disable deblock api
*/
if(0 == ps_codec->i4_disable_deblk_pic)
{
if(ps_codec->i4_num_cores > MV_PRED_NUM_CORES_THRESHOLD)
{
/* Boundary strength calculation is done irrespective of whether deblocking is disabled
* in the slice or not, to handle deblocking slice boundaries */
if((0 == ps_codec->i4_slice_error))
{
ihevcd_update_ctb_tu_cnt(ps_proc);
ps_proc->s_bs_ctxt.ps_pps = ps_proc->ps_pps;
ps_proc->s_bs_ctxt.ps_sps = ps_proc->ps_sps;
ps_proc->s_bs_ctxt.ps_codec = ps_proc->ps_codec;
ps_proc->s_bs_ctxt.i4_ctb_tu_cnt = ps_proc->i4_ctb_tu_cnt;
ps_proc->s_bs_ctxt.i4_ctb_x = ps_proc->i4_ctb_x;
ps_proc->s_bs_ctxt.i4_ctb_y = ps_proc->i4_ctb_y;
ps_proc->s_bs_ctxt.i4_ctb_tile_x = ps_proc->i4_ctb_tile_x;
ps_proc->s_bs_ctxt.i4_ctb_tile_y = ps_proc->i4_ctb_tile_y;
ps_proc->s_bs_ctxt.i4_ctb_slice_x = ps_proc->i4_ctb_slice_x;
ps_proc->s_bs_ctxt.i4_ctb_slice_y = ps_proc->i4_ctb_slice_y;
ps_proc->s_bs_ctxt.ps_tu = ps_proc->ps_tu;
ps_proc->s_bs_ctxt.ps_pu = ps_proc->ps_pu;
ps_proc->s_bs_ctxt.pu4_pic_pu_idx_map = ps_proc->pu4_pic_pu_idx_map;
ps_proc->s_bs_ctxt.i4_next_pu_ctb_cnt = ps_proc->i4_next_pu_ctb_cnt;
ps_proc->s_bs_ctxt.i4_next_tu_ctb_cnt = ps_proc->i4_next_tu_ctb_cnt;
ps_proc->s_bs_ctxt.pu1_slice_idx = ps_proc->pu1_slice_idx;
ps_proc->s_bs_ctxt.ps_slice_hdr = ps_proc->ps_slice_hdr;
ps_proc->s_bs_ctxt.ps_tile = ps_proc->ps_tile;
if(ISLICE == ps_slice_hdr->i1_slice_type)
{
ihevcd_ctb_boundary_strength_islice(&ps_proc->s_bs_ctxt);
}
else
{
ihevcd_ctb_boundary_strength_pbslice(&ps_proc->s_bs_ctxt);
}
}
/* Boundary strength is set to zero if deblocking is disabled for the current slice */
if((0 != ps_slice_hdr->i1_slice_disable_deblocking_filter_flag))
{
WORD32 bs_strd = (ps_sps->i2_pic_wd_in_ctb + 1) * (ctb_size * ctb_size / 8 / 16);
UWORD32 *pu4_vert_bs = (UWORD32 *)((UWORD8 *)ps_proc->s_bs_ctxt.pu4_pic_vert_bs +
ps_proc->i4_ctb_x * (ctb_size * ctb_size / 8 / 16) +
ps_proc->i4_ctb_y * bs_strd);
UWORD32 *pu4_horz_bs = (UWORD32 *)((UWORD8 *)ps_proc->s_bs_ctxt.pu4_pic_horz_bs +
ps_proc->i4_ctb_x * (ctb_size * ctb_size / 8 / 16) +
ps_proc->i4_ctb_y * bs_strd);
memset(pu4_vert_bs, 0, (ctb_size / 8) * (ctb_size / 4) / 8 * 2);
memset(pu4_horz_bs, 0, (ctb_size / 8) * (ctb_size / 4) / 8 * 2);
}
}
}
}
/* Per CTB update the following */
{
WORD32 cur_ctb_idx = ps_proc->i4_ctb_x
+ ps_proc->i4_ctb_y * (ps_sps->i2_pic_wd_in_ctb);
cur_ctb_idx++;
ps_proc->pu1_pu_map += nctb * num_minpu_in_ctb;
ps_proc->ps_tu += ps_proc->i4_ctb_tu_cnt;
if((1 == ps_codec->i4_num_cores) &&
(0 == cur_ctb_idx % RESET_TU_BUF_NCTB))
{
ps_proc->ps_tu = ps_proc->ps_pic_tu;
}
ps_proc->ps_pu += ps_proc->i4_ctb_pu_cnt;
}
/* Update proc map for recon*/
ihevcd_proc_map_update(ps_proc, proc_type, nctb);
num_ctb_tmp -= nctb;
ihevcd_ctb_pos_update(ps_proc, nctb);
}
if(cur_slice_idx != ps_proc->i4_cur_slice_idx)
{
ps_proc->ps_slice_hdr = ps_codec->ps_slice_hdr_base + ((cur_slice_idx)&(MAX_SLICE_HDR_CNT - 1));
ps_proc->i4_cur_slice_idx = cur_slice_idx;
}
/* Restore the saved variables */
num_ctb_tmp = num_ctb;
ps_proc->i4_ctb_x -= num_ctb;
ps_proc->i4_ctb_tile_x = cur_ctb_tile_x;
ps_proc->i4_ctb_slice_x = cur_ctb_slice_x;
ps_proc->i4_ctb_tile_y = cur_ctb_tile_y;
ps_proc->i4_ctb_slice_y = cur_ctb_slice_y;
ps_proc->pu1_pu_map = pu1_pu_map_cur;
ps_proc->ps_tu = ps_tu_cur;
proc_type = PROC_RECON;
while(num_ctb_tmp)
{
/* Check proc map to ensure dependencies for recon are met */
ihevcd_proc_map_check(ps_proc, proc_type, nctb);
ihevcd_slice_hdr_update(ps_proc);
{
ihevcd_ctb_avail_update(ps_proc);
/*************************************************/
/**************** IQ IT RECON *******************/
/*************************************************/
ihevcd_update_ctb_tu_cnt(ps_proc);
/* When scaling matrix is not to be used(scaling_list_enable_flag is zero in SPS),
* default value of 16 has to be used. Since the value is same for all sizes,
* same table is used for all cases.
*/
if(0 == ps_sps->i1_scaling_list_enable_flag)
{
ps_proc->api2_dequant_intra_matrix[0] =
(WORD16 *)gi2_flat_scale_mat_32x32;
ps_proc->api2_dequant_intra_matrix[1] =
(WORD16 *)gi2_flat_scale_mat_32x32;
ps_proc->api2_dequant_intra_matrix[2] =
(WORD16 *)gi2_flat_scale_mat_32x32;
ps_proc->api2_dequant_intra_matrix[3] =
(WORD16 *)gi2_flat_scale_mat_32x32;
ps_proc->api2_dequant_inter_matrix[0] =
(WORD16 *)gi2_flat_scale_mat_32x32;
ps_proc->api2_dequant_inter_matrix[1] =
(WORD16 *)gi2_flat_scale_mat_32x32;
ps_proc->api2_dequant_inter_matrix[2] =
(WORD16 *)gi2_flat_scale_mat_32x32;
ps_proc->api2_dequant_inter_matrix[3] =
(WORD16 *)gi2_flat_scale_mat_32x32;
}
else
{
if(0 == ps_sps->i1_sps_scaling_list_data_present_flag)
{
ps_proc->api2_dequant_intra_matrix[0] =
(WORD16 *)gi2_flat_scale_mat_32x32;
ps_proc->api2_dequant_intra_matrix[1] =
(WORD16 *)gi2_intra_default_scale_mat_8x8;
ps_proc->api2_dequant_intra_matrix[2] =
(WORD16 *)gi2_intra_default_scale_mat_16x16;
ps_proc->api2_dequant_intra_matrix[3] =
(WORD16 *)gi2_intra_default_scale_mat_32x32;
ps_proc->api2_dequant_inter_matrix[0] =
(WORD16 *)gi2_flat_scale_mat_32x32;
ps_proc->api2_dequant_inter_matrix[1] =
(WORD16 *)gi2_inter_default_scale_mat_8x8;
ps_proc->api2_dequant_inter_matrix[2] =
(WORD16 *)gi2_inter_default_scale_mat_16x16;
ps_proc->api2_dequant_inter_matrix[3] =
(WORD16 *)gi2_inter_default_scale_mat_32x32;
}
/*TODO: Add support for custom scaling matrices */
}
/* CTB Level pointers */
ps_proc->pu1_cur_ctb_luma = ps_proc->pu1_cur_pic_luma
+ (ps_proc->i4_ctb_x * ctb_size
+ ps_proc->i4_ctb_y * ctb_size
* ps_codec->i4_strd);
ps_proc->pu1_cur_ctb_chroma = ps_proc->pu1_cur_pic_chroma
+ ps_proc->i4_ctb_x * ctb_size
+ (ps_proc->i4_ctb_y * ctb_size * ps_codec->i4_strd / 2);
ihevcd_iquant_itrans_recon_ctb(ps_proc);
}
/* Per CTB update the following */
{
WORD32 cur_ctb_idx = ps_proc->i4_ctb_x
+ ps_proc->i4_ctb_y * (ps_sps->i2_pic_wd_in_ctb);
cur_ctb_idx++;
ps_proc->pu1_pu_map += nctb * num_minpu_in_ctb;
ps_proc->ps_tu += ps_proc->i4_ctb_tu_cnt;
if((1 == ps_codec->i4_num_cores) &&
(0 == cur_ctb_idx % RESET_TU_BUF_NCTB))
{
ps_proc->ps_tu = ps_proc->ps_pic_tu;
}
ps_proc->ps_pu += ps_proc->i4_ctb_pu_cnt;
}
/* Update proc map for recon*/
ihevcd_proc_map_update(ps_proc, proc_type, nctb);
num_ctb_tmp -= nctb;
ihevcd_ctb_pos_update(ps_proc, nctb);
}
if(cur_slice_idx != ps_proc->i4_cur_slice_idx)
{
ps_proc->ps_slice_hdr = ps_codec->ps_slice_hdr_base + ((cur_slice_idx)&(MAX_SLICE_HDR_CNT - 1));
ps_proc->i4_cur_slice_idx = cur_slice_idx;
}
/* Restore the saved variables */
num_ctb_tmp = num_ctb;
ps_proc->i4_ctb_x -= num_ctb;
ps_proc->i4_ctb_tile_x = cur_ctb_tile_x;
ps_proc->i4_ctb_slice_x = cur_ctb_slice_x;
ps_proc->i4_ctb_tile_y = cur_ctb_tile_y;
ps_proc->i4_ctb_slice_y = cur_ctb_slice_y;
pu1_pu_map_nxt = ps_proc->pu1_pu_map;
ps_tu_nxt = ps_proc->ps_tu;
ps_proc->pu1_pu_map = pu1_pu_map_cur;
ps_proc->ps_tu = ps_tu_cur;
proc_type = PROC_DEBLK;
while(num_ctb_tmp)
{
/* Check proc map to ensure dependencies for deblk are met */
ihevcd_proc_map_check(ps_proc, proc_type, nctb);
ihevcd_slice_hdr_update(ps_proc);
if(((0 == FRAME_ILF_PAD || ps_codec->i4_num_cores != 1)) &&
(0 == ps_codec->i4_disable_deblk_pic))
{
WORD32 i4_is_last_ctb_x = 0;
WORD32 i4_is_last_ctb_y = 0;
/* Deblocking is done irrespective of whether it is disabled in the slice or not,
* to handle deblocking the slice boundaries */
{
ps_proc->s_deblk_ctxt.ps_pps = ps_proc->ps_pps;
ps_proc->s_deblk_ctxt.ps_sps = ps_proc->ps_sps;
ps_proc->s_deblk_ctxt.ps_codec = ps_proc->ps_codec;
ps_proc->s_deblk_ctxt.ps_slice_hdr = ps_proc->ps_slice_hdr;
ps_proc->s_deblk_ctxt.i4_ctb_x = ps_proc->i4_ctb_x;
ps_proc->s_deblk_ctxt.i4_ctb_y = ps_proc->i4_ctb_y;
ps_proc->s_deblk_ctxt.pu1_slice_idx = ps_proc->pu1_slice_idx;
ps_proc->s_deblk_ctxt.is_chroma_yuv420sp_vu = (ps_codec->e_ref_chroma_fmt == IV_YUV_420SP_VU);
/* Populating Current CTB's no_loop_filter flags */
{
WORD32 row;
WORD32 log2_ctb_size = ps_sps->i1_log2_ctb_size;
/* Loop filter strd in units of num bits */
WORD32 loop_filter_strd = ((ps_sps->i2_pic_width_in_luma_samples + 63) >> 6) << 3;
/* Bit position is the current 8x8 bit offset wrt pic_no_loop_filter
* bit_pos has to be a WOR32 so that when it is negative, the downshift still retains it to be a negative value */
WORD32 bit_pos = ((ps_proc->i4_ctb_y << (log2_ctb_size - 3)) - 1) * loop_filter_strd + (ps_proc->i4_ctb_x << (log2_ctb_size - 3)) - 1;
for(row = 0; row < (ctb_size >> 3) + 1; row++)
{
/* Go to the corresponding byte - read 32 bits and downshift */
ps_proc->s_deblk_ctxt.au2_ctb_no_loop_filter_flag[row] = (*(UWORD32 *)(ps_proc->pu1_pic_no_loop_filter_flag + (bit_pos >> 3))) >> (bit_pos & 7);
bit_pos += loop_filter_strd;
}
}
ihevcd_deblk_ctb(&ps_proc->s_deblk_ctxt, i4_is_last_ctb_x, i4_is_last_ctb_y);
/* If the last CTB in the row was a complete CTB then deblocking has to be called from remaining pixels, since deblocking
* is applied on a shifted CTB structure
*/
if(ps_proc->i4_ctb_x == ps_sps->i2_pic_wd_in_ctb - 1)
{
WORD32 i4_is_last_ctb_x = 1;
WORD32 i4_is_last_ctb_y = 0;
WORD32 last_x_pos;
last_x_pos = (ps_sps->i2_pic_wd_in_ctb << ps_sps->i1_log2_ctb_size);
if(last_x_pos == ps_sps->i2_pic_width_in_luma_samples)
{
ihevcd_deblk_ctb(&ps_proc->s_deblk_ctxt, i4_is_last_ctb_x, i4_is_last_ctb_y);
}
}
/* If the last CTB in the column was a complete CTB then deblocking has to be called from remaining pixels, since deblocking
* is applied on a shifted CTB structure
*/
if(ps_proc->i4_ctb_y == ps_sps->i2_pic_ht_in_ctb - 1)
{
WORD32 i4_is_last_ctb_x = 0;
WORD32 i4_is_last_ctb_y = 1;
WORD32 last_y_pos;
last_y_pos = (ps_sps->i2_pic_ht_in_ctb << ps_sps->i1_log2_ctb_size);
if(last_y_pos == ps_sps->i2_pic_height_in_luma_samples)
{
ihevcd_deblk_ctb(&ps_proc->s_deblk_ctxt, i4_is_last_ctb_x, i4_is_last_ctb_y);
}
}
}
}
/* Update proc map for deblk*/
ihevcd_proc_map_update(ps_proc, proc_type, nctb);
num_ctb_tmp -= nctb;
ihevcd_ctb_pos_update(ps_proc, nctb);
}
if(cur_slice_idx != ps_proc->i4_cur_slice_idx)
{
ps_proc->ps_slice_hdr = ps_codec->ps_slice_hdr_base + ((cur_slice_idx)&(MAX_SLICE_HDR_CNT - 1));
ps_proc->i4_cur_slice_idx = cur_slice_idx;
}
/* Restore the saved variables */
num_ctb_tmp = num_ctb;
ps_proc->i4_ctb_x -= num_ctb;
ps_proc->i4_ctb_tile_x = cur_ctb_tile_x;
ps_proc->i4_ctb_tile_y = cur_ctb_tile_y;
ps_proc->pu1_pu_map = pu1_pu_map_cur;
ps_proc->ps_tu = ps_tu_cur;
nxt_ctb_slice_y = ps_proc->i4_ctb_slice_y;
nxt_ctb_slice_x = ps_proc->i4_ctb_slice_x;
ps_proc->i4_ctb_slice_y = cur_ctb_slice_y;
ps_proc->i4_ctb_slice_x = cur_ctb_slice_x;
proc_type = PROC_SAO;
while(num_ctb_tmp)
{
/* Check proc map to ensure dependencies for SAO are met */
ihevcd_proc_map_check(ps_proc, proc_type, nctb);
ihevcd_slice_hdr_update(ps_proc);
if(0 == FRAME_ILF_PAD || ps_codec->i4_num_cores != 1)
{
/* SAO is done even when it is disabled in the current slice, because
* it is performed on a shifted CTB and the neighbor CTBs can belong
* to different slices with SAO enabled */
if(0 == ps_codec->i4_disable_sao_pic)
{
ps_proc->s_sao_ctxt.ps_pps = ps_proc->ps_pps;
ps_proc->s_sao_ctxt.ps_sps = ps_proc->ps_sps;
ps_proc->s_sao_ctxt.ps_tile = ps_proc->ps_tile;
ps_proc->s_sao_ctxt.ps_codec = ps_proc->ps_codec;
ps_proc->s_sao_ctxt.ps_slice_hdr = ps_proc->ps_slice_hdr;
ps_proc->s_sao_ctxt.i4_cur_slice_idx = ps_proc->i4_cur_slice_idx;
#if SAO_PROCESS_SHIFT_CTB
ps_proc->s_sao_ctxt.i4_ctb_x = ps_proc->i4_ctb_x;
ps_proc->s_sao_ctxt.i4_ctb_y = ps_proc->i4_ctb_y;
ps_proc->s_sao_ctxt.is_chroma_yuv420sp_vu = (ps_codec->e_ref_chroma_fmt == IV_YUV_420SP_VU);
ihevcd_sao_shift_ctb(&ps_proc->s_sao_ctxt);
#else
if(ps_proc->i4_ctb_x > 1 && ps_proc->i4_ctb_y > 0)
{
ps_proc->s_sao_ctxt.i4_ctb_x = ps_proc->i4_ctb_x - 2;
ps_proc->s_sao_ctxt.i4_ctb_y = ps_proc->i4_ctb_y - 1;
ihevcd_sao_ctb(&ps_proc->s_sao_ctxt);
}
if(ps_sps->i2_pic_wd_in_ctb - 1 == ps_proc->i4_ctb_x && ps_proc->i4_ctb_y > 0)
{
ps_proc->s_sao_ctxt.i4_ctb_x = ps_proc->i4_ctb_x - 1;
ps_proc->s_sao_ctxt.i4_ctb_y = ps_proc->i4_ctb_y - 1;
ihevcd_sao_ctb(&ps_proc->s_sao_ctxt);
ps_proc->s_sao_ctxt.i4_ctb_x = ps_proc->i4_ctb_x;
ps_proc->s_sao_ctxt.i4_ctb_y = ps_proc->i4_ctb_y - 1;
ihevcd_sao_ctb(&ps_proc->s_sao_ctxt);
if(ps_sps->i2_pic_ht_in_ctb - 1 == ps_proc->i4_ctb_y)
{
WORD32 i4_ctb_x;
ps_proc->s_sao_ctxt.i4_ctb_y = ps_proc->i4_ctb_y;
for(i4_ctb_x = 0; i4_ctb_x < ps_sps->i2_pic_wd_in_ctb; i4_ctb_x++)
{
ps_proc->s_sao_ctxt.i4_ctb_x = i4_ctb_x;
ihevcd_sao_ctb(&ps_proc->s_sao_ctxt);
}
}
}
#endif
}
/* Call padding if required */
{
#if SAO_PROCESS_SHIFT_CTB
if(0 == ps_proc->i4_ctb_x)
{
WORD32 pad_ht_luma;
WORD32 pad_ht_chroma;
ps_proc->pu1_cur_ctb_luma = ps_proc->pu1_cur_pic_luma
+ (ps_proc->i4_ctb_x * ctb_size
+ ps_proc->i4_ctb_y * ctb_size
* ps_codec->i4_strd);
ps_proc->pu1_cur_ctb_chroma = ps_proc->pu1_cur_pic_chroma
+ ps_proc->i4_ctb_x * ctb_size
+ (ps_proc->i4_ctb_y * ctb_size * ps_codec->i4_strd / 2);
pad_ht_luma = ctb_size;
pad_ht_luma += (ps_sps->i2_pic_ht_in_ctb - 1) == ps_proc->i4_ctb_y ? 8 : 0;
pad_ht_chroma = ctb_size / 2;
/* Pad left after 1st CTB is processed */
ps_codec->s_func_selector.ihevc_pad_left_luma_fptr(ps_proc->pu1_cur_ctb_luma - 8 * ps_codec->i4_strd, ps_codec->i4_strd, pad_ht_luma, PAD_LEFT);
ps_codec->s_func_selector.ihevc_pad_left_chroma_fptr(ps_proc->pu1_cur_ctb_chroma - 16 * ps_codec->i4_strd, ps_codec->i4_strd, pad_ht_chroma, PAD_LEFT);
}
if((ps_sps->i2_pic_wd_in_ctb - 1) == ps_proc->i4_ctb_x)
{
WORD32 pad_ht_luma;
WORD32 pad_ht_chroma;
WORD32 cols_remaining = ps_sps->i2_pic_width_in_luma_samples - (ps_proc->i4_ctb_x << ps_sps->i1_log2_ctb_size);
ps_proc->pu1_cur_ctb_luma = ps_proc->pu1_cur_pic_luma
+ (ps_proc->i4_ctb_x * ctb_size
+ ps_proc->i4_ctb_y * ctb_size
* ps_codec->i4_strd);
ps_proc->pu1_cur_ctb_chroma = ps_proc->pu1_cur_pic_chroma
+ ps_proc->i4_ctb_x * ctb_size
+ (ps_proc->i4_ctb_y * ctb_size * ps_codec->i4_strd / 2);
pad_ht_luma = ctb_size;
pad_ht_chroma = ctb_size / 2;
if((ps_sps->i2_pic_ht_in_ctb - 1) == ps_proc->i4_ctb_y)
{
pad_ht_luma += 8;
pad_ht_chroma += 16;
ps_codec->s_func_selector.ihevc_pad_left_chroma_fptr(ps_proc->pu1_cur_pic_chroma + (ps_sps->i2_pic_height_in_luma_samples / 2 - 16) * ps_codec->i4_strd,
ps_codec->i4_strd, 16, PAD_LEFT);
}
/* Pad right after last CTB in the current row is processed */
ps_codec->s_func_selector.ihevc_pad_right_luma_fptr(ps_proc->pu1_cur_ctb_luma + cols_remaining - 8 * ps_codec->i4_strd, ps_codec->i4_strd, pad_ht_luma, PAD_RIGHT);
ps_codec->s_func_selector.ihevc_pad_right_chroma_fptr(ps_proc->pu1_cur_ctb_chroma + cols_remaining - 16 * ps_codec->i4_strd, ps_codec->i4_strd, pad_ht_chroma, PAD_RIGHT);
if((ps_sps->i2_pic_ht_in_ctb - 1) == ps_proc->i4_ctb_y)
{
UWORD8 *pu1_buf;
/* Since SAO is shifted by 8x8, chroma padding can not be done till second row is processed */
/* Hence moving top padding to to end of frame, Moving it to second row also results in problems when there is only one row */
/* Pad top after padding left and right for current rows after processing 1st CTB row */
ihevc_pad_top(ps_proc->pu1_cur_pic_luma - PAD_LEFT, ps_codec->i4_strd, ps_sps->i2_pic_width_in_luma_samples + PAD_WD, PAD_TOP);
ihevc_pad_top(ps_proc->pu1_cur_pic_chroma - PAD_LEFT, ps_codec->i4_strd, ps_sps->i2_pic_width_in_luma_samples + PAD_WD, PAD_TOP / 2);
pu1_buf = ps_proc->pu1_cur_pic_luma + ps_codec->i4_strd * ps_sps->i2_pic_height_in_luma_samples - PAD_LEFT;
/* Pad top after padding left and right for current rows after processing 1st CTB row */
ihevc_pad_bottom(pu1_buf, ps_codec->i4_strd, ps_sps->i2_pic_width_in_luma_samples + PAD_WD, PAD_BOT);
pu1_buf = ps_proc->pu1_cur_pic_chroma + ps_codec->i4_strd * (ps_sps->i2_pic_height_in_luma_samples / 2) - PAD_LEFT;
ihevc_pad_bottom(pu1_buf, ps_codec->i4_strd, ps_sps->i2_pic_width_in_luma_samples + PAD_WD, PAD_BOT / 2);
}
}
#else
if(ps_proc->i4_ctb_y > 1)
{
if(0 == ps_proc->i4_ctb_x)
{
WORD32 pad_ht_luma;
WORD32 pad_ht_chroma;
pad_ht_luma = ctb_size;
pad_ht_chroma = ctb_size / 2;
/* Pad left after 1st CTB is processed */
ps_codec->s_func_selector.ihevc_pad_left_luma_fptr(ps_proc->pu1_cur_ctb_luma - 2 * ctb_size * ps_codec->i4_strd, ps_codec->i4_strd, pad_ht_luma, PAD_LEFT);
ps_codec->s_func_selector.ihevc_pad_left_chroma_fptr(ps_proc->pu1_cur_ctb_chroma - ctb_size * ps_codec->i4_strd, ps_codec->i4_strd, pad_ht_chroma, PAD_LEFT);
}
else if((ps_sps->i2_pic_wd_in_ctb - 1) == ps_proc->i4_ctb_x)
{
WORD32 pad_ht_luma;
WORD32 pad_ht_chroma;
WORD32 cols_remaining = ps_sps->i2_pic_width_in_luma_samples - (ps_proc->i4_ctb_x << ps_sps->i1_log2_ctb_size);
pad_ht_luma = ((ps_sps->i2_pic_ht_in_ctb - 1) == ps_proc->i4_ctb_y) ? 3 * ctb_size : ctb_size;
pad_ht_chroma = ((ps_sps->i2_pic_ht_in_ctb - 1) == ps_proc->i4_ctb_y) ? 3 * ctb_size / 2 : ctb_size / 2;
/* Pad right after last CTB in the current row is processed */
ps_codec->s_func_selector.ihevc_pad_right_luma_fptr(ps_proc->pu1_cur_ctb_luma + cols_remaining - 2 * ctb_size * ps_codec->i4_strd, ps_codec->i4_strd, pad_ht_luma, PAD_RIGHT);
ps_codec->s_func_selector.ihevc_pad_right_chroma_fptr(ps_proc->pu1_cur_ctb_chroma + cols_remaining - ctb_size * ps_codec->i4_strd, ps_codec->i4_strd, pad_ht_chroma, PAD_RIGHT);
if((ps_sps->i2_pic_ht_in_ctb - 1) == ps_proc->i4_ctb_y)
{
UWORD8 *pu1_buf;
WORD32 pad_ht_luma;
WORD32 pad_ht_chroma;
pad_ht_luma = 2 * ctb_size;
pad_ht_chroma = ctb_size;
ps_codec->s_func_selector.ihevc_pad_left_luma_fptr(ps_proc->pu1_cur_pic_luma + ps_codec->i4_strd * (ps_sps->i2_pic_height_in_luma_samples - 2 * ctb_size),
ps_codec->i4_strd, pad_ht_luma, PAD_LEFT);
ps_codec->s_func_selector.ihevc_pad_left_chroma_fptr(ps_proc->pu1_cur_pic_chroma + ps_codec->i4_strd * (ps_sps->i2_pic_height_in_luma_samples / 2 - ctb_size),
ps_codec->i4_strd, pad_ht_chroma, PAD_LEFT);
/* Since SAO is shifted by 8x8, chroma padding can not be done till second row is processed */
/* Hence moving top padding to to end of frame, Moving it to second row also results in problems when there is only one row */
/* Pad top after padding left and right for current rows after processing 1st CTB row */
ihevc_pad_top(ps_proc->pu1_cur_pic_luma - PAD_LEFT, ps_codec->i4_strd, ps_sps->i2_pic_width_in_luma_samples + PAD_WD, PAD_TOP);
ihevc_pad_top(ps_proc->pu1_cur_pic_chroma - PAD_LEFT, ps_codec->i4_strd, ps_sps->i2_pic_width_in_luma_samples + PAD_WD, PAD_TOP / 2);
pu1_buf = ps_proc->pu1_cur_pic_luma + ps_codec->i4_strd * ps_sps->i2_pic_height_in_luma_samples - PAD_LEFT;
/* Pad top after padding left and right for current rows after processing 1st CTB row */
ihevc_pad_bottom(pu1_buf, ps_codec->i4_strd, ps_sps->i2_pic_width_in_luma_samples + PAD_WD, PAD_BOT);
pu1_buf = ps_proc->pu1_cur_pic_chroma + ps_codec->i4_strd * (ps_sps->i2_pic_height_in_luma_samples / 2) - PAD_LEFT;
ihevc_pad_bottom(pu1_buf, ps_codec->i4_strd, ps_sps->i2_pic_width_in_luma_samples + PAD_WD, PAD_BOT / 2);
}
}
}
#endif
}
}
/* Update proc map for SAO*/
ihevcd_proc_map_update(ps_proc, proc_type, nctb);
/* Update proc map for Completion of CTB*/
ihevcd_proc_map_update(ps_proc, PROC_ALL, nctb);
{
tile_t *ps_tile;
ps_tile = ps_proc->ps_tile;
num_ctb_tmp -= nctb;
ps_proc->i4_ctb_tile_x += nctb;
ps_proc->i4_ctb_x += nctb;
ps_proc->i4_ctb_slice_x += nctb;
/* Update tile counters */
if(ps_proc->i4_ctb_tile_x >= (ps_tile->u2_wd))
{
/*End of tile row*/
ps_proc->i4_ctb_tile_x = 0;
ps_proc->i4_ctb_x = ps_tile->u1_pos_x;
ps_proc->i4_ctb_tile_y++;
ps_proc->i4_ctb_y++;
if(ps_proc->i4_ctb_tile_y == ps_tile->u2_ht)
{
/* Reached End of Tile */
ps_proc->i4_ctb_tile_y = 0;
ps_proc->i4_ctb_tile_x = 0;
ps_proc->ps_tile++;
//End of picture
if(!((ps_tile->u2_ht + ps_tile->u1_pos_y == ps_sps->i2_pic_ht_in_ctb) && (ps_tile->u2_wd + ps_tile->u1_pos_x == ps_sps->i2_pic_wd_in_ctb)))
{
ps_tile = ps_proc->ps_tile;
ps_proc->i4_ctb_x = ps_tile->u1_pos_x;
ps_proc->i4_ctb_y = ps_tile->u1_pos_y;
}
}
}
}
}
ps_proc->i4_ctb_cnt -= num_ctb;
}
return ret;
}
void ihevcd_init_proc_ctxt(process_ctxt_t *ps_proc, WORD32 tu_coeff_data_ofst)
{
codec_t *ps_codec;
slice_header_t *ps_slice_hdr;
pps_t *ps_pps;
sps_t *ps_sps;
tile_t *ps_tile, *ps_tile_prev;
WORD32 tile_idx;
WORD32 ctb_size;
WORD32 num_minpu_in_ctb;
WORD32 num_ctb_in_row;
WORD32 ctb_addr;
WORD32 i4_wd_in_ctb;
WORD32 tile_start_ctb_idx;
WORD32 slice_start_ctb_idx;
WORD32 check_tile_wd;
WORD32 continuous_tiles = 0; //Refers to tiles that are continuous, within a slice, horizontally
ps_codec = ps_proc->ps_codec;
ps_slice_hdr = ps_codec->ps_slice_hdr_base + ((ps_proc->i4_cur_slice_idx) & (MAX_SLICE_HDR_CNT - 1));
ps_proc->ps_slice_hdr = ps_slice_hdr;
ps_proc->ps_pps = ps_codec->ps_pps_base + ps_slice_hdr->i1_pps_id;
ps_pps = ps_proc->ps_pps;
ps_proc->ps_sps = ps_codec->ps_sps_base + ps_pps->i1_sps_id;
ps_sps = ps_proc->ps_sps;
ps_proc->i4_init_done = 1;
ctb_size = 1 << ps_sps->i1_log2_ctb_size;
num_minpu_in_ctb = (ctb_size / MIN_PU_SIZE) * (ctb_size / MIN_PU_SIZE);
num_ctb_in_row = ps_sps->i2_pic_wd_in_ctb;
ps_proc->s_sao_ctxt.pu1_slice_idx = ps_proc->pu1_slice_idx;
ihevcd_get_tile_pos(ps_pps, ps_sps, ps_proc->i4_ctb_x, ps_proc->i4_ctb_y,
&ps_proc->i4_ctb_tile_x, &ps_proc->i4_ctb_tile_y,
&tile_idx);
ps_proc->ps_tile = ps_pps->ps_tile + tile_idx;
ps_proc->i4_cur_tile_idx = tile_idx;
ps_tile = ps_proc->ps_tile;
if(ps_pps->i1_tiles_enabled_flag)
{
if(tile_idx)
ps_tile_prev = ps_tile - 1;
else
ps_tile_prev = ps_tile;
slice_start_ctb_idx = ps_slice_hdr->i2_ctb_x + (ps_slice_hdr->i2_ctb_y * ps_sps->i2_pic_wd_in_ctb);
tile_start_ctb_idx = ps_tile->u1_pos_x + (ps_tile->u1_pos_y * ps_sps->i2_pic_wd_in_ctb);
/*Check if
* 1. Last tile that ends in frame boundary and 1st tile in next row belongs to same slice
* 1.1. If it does, check if the slice that has these tiles spans across the frame row.
* 2. Vertical tiles are present within a slice */
if(((ps_slice_hdr->i2_ctb_x == ps_tile->u1_pos_x) && (ps_slice_hdr->i2_ctb_y != ps_tile->u1_pos_y)))
{
continuous_tiles = 1;
}
else
{
check_tile_wd = ps_slice_hdr->i2_ctb_x + ps_tile_prev->u2_wd;
if(!(((check_tile_wd >= ps_sps->i2_pic_wd_in_ctb) && (check_tile_wd % ps_sps->i2_pic_wd_in_ctb == ps_tile->u1_pos_x))
|| ((ps_slice_hdr->i2_ctb_x == ps_tile->u1_pos_x))))
{
continuous_tiles = 1;
}
}
{
WORD32 i2_independent_ctb_x = ps_slice_hdr->i2_independent_ctb_x;
WORD32 i2_independent_ctb_y = ps_slice_hdr->i2_independent_ctb_y;
/* Handles cases where
* 1. Slices begin at the start of each tile
* 2. Tiles lie in the same slice row.i.e, starting tile_x > slice_x, but tile_y == slice_y
* */
if(ps_proc->i4_ctb_x >= i2_independent_ctb_x)
{
ps_proc->i4_ctb_slice_x = ps_proc->i4_ctb_x - i2_independent_ctb_x;
}
else
{
/* Indicates multiple tiles in a slice case where
* The new tile belongs to an older slice that started in the previous rows-not the present row
* & (tile_y > slice_y and tile_x < slice_x)
*/
if((slice_start_ctb_idx < tile_start_ctb_idx) && (continuous_tiles))
{
i4_wd_in_ctb = ps_sps->i2_pic_wd_in_ctb;
}
/* Indicates many-tiles-in-one-slice case, for slices that end without spanning the frame width*/
else
{
i4_wd_in_ctb = ps_tile->u2_wd;
}
if(continuous_tiles)
{
ps_proc->i4_ctb_slice_x = i4_wd_in_ctb
- (i2_independent_ctb_x - ps_proc->i4_ctb_x);
}
else
{
ps_proc->i4_ctb_slice_x = ps_proc->i4_ctb_x - ps_tile->u1_pos_x;
}
}
/* Initialize ctb slice y to zero and at the start of slice row initialize it
to difference between ctb_y and slice's start ctb y */
ps_proc->i4_ctb_slice_y = ps_proc->i4_ctb_y - i2_independent_ctb_y;
/*If beginning of tile, check if slice counters are set correctly*/
if((0 == ps_proc->i4_ctb_tile_x) && (0 == ps_proc->i4_ctb_tile_y))
{
if(ps_slice_hdr->i1_dependent_slice_flag)
{
ps_proc->i4_ctb_slice_x = 0;
ps_proc->i4_ctb_slice_y = 0;
}
/*For slices that span across multiple tiles*/
else if(slice_start_ctb_idx < tile_start_ctb_idx)
{
ps_proc->i4_ctb_slice_y = ps_tile->u1_pos_y - i2_independent_ctb_y;
/* Two Cases
* 1 - slice spans across frame-width- but dose not start from 1st column
* 2 - Slice spans across multiple tiles anywhere is a frame
*/
/*TODO:In a multiple slice clip, if an independent slice span across more than 2 tiles in a row, it is not supported*/
if(continuous_tiles) //Case 2-implemented for slices that span not more than 2 tiles
{
if(i2_independent_ctb_y <= ps_tile->u1_pos_y)
{
//Check if ctb x is before or after
if(i2_independent_ctb_x > ps_tile->u1_pos_x)
{
ps_proc->i4_ctb_slice_y -= 1;
}
}
}
}
}
//Slice starts from a column which is not the starting tile-column, but is within the tile
if(((i2_independent_ctb_x - ps_tile->u1_pos_x) != 0) && ((ps_proc->i4_ctb_slice_y != 0))
&& ((i2_independent_ctb_x >= ps_tile->u1_pos_x) && (i2_independent_ctb_x < ps_tile->u1_pos_x + ps_tile->u2_wd)))
{
ps_proc->i4_ctb_slice_y -= 1;
}
}
}
else
{
WORD32 i2_independent_ctb_x = ps_slice_hdr->i2_independent_ctb_x;
WORD32 i2_independent_ctb_y = ps_slice_hdr->i2_independent_ctb_y;
{
ps_proc->i4_ctb_slice_x = ps_proc->i4_ctb_x - i2_independent_ctb_x;
ps_proc->i4_ctb_slice_y = ps_proc->i4_ctb_y - i2_independent_ctb_y;
if(ps_proc->i4_ctb_slice_x < 0)
{
ps_proc->i4_ctb_slice_x += ps_sps->i2_pic_wd_in_ctb;
ps_proc->i4_ctb_slice_y -= 1;
}
/* Initialize ctb slice y to zero and at the start of slice row initialize it
to difference between ctb_y and slice's start ctb y */
}
}
/* Compute TU offset for the current CTB set */
{
WORD32 ctb_luma_min_tu_cnt;
WORD32 ctb_addr;
ctb_addr = ps_proc->i4_ctb_y * num_ctb_in_row + ps_proc->i4_ctb_x;
ctb_luma_min_tu_cnt = (1 << ps_sps->i1_log2_ctb_size) / MIN_TU_SIZE;
ctb_luma_min_tu_cnt *= ctb_luma_min_tu_cnt;
ps_proc->pu1_tu_map = ps_proc->pu1_pic_tu_map
+ ctb_luma_min_tu_cnt * ctb_addr;
if(1 == ps_codec->i4_num_cores)
{
ps_proc->ps_tu = ps_proc->ps_pic_tu + ps_proc->pu4_pic_tu_idx[ctb_addr % RESET_TU_BUF_NCTB];
}
else
{
ps_proc->ps_tu = ps_proc->ps_pic_tu + ps_proc->pu4_pic_tu_idx[ctb_addr];
}
ps_proc->pv_tu_coeff_data = (UWORD8 *)ps_proc->pv_pic_tu_coeff_data
+ tu_coeff_data_ofst;
}
/* Compute PU related elements for the current CTB set */
{
WORD32 pu_idx;
ctb_addr = ps_proc->i4_ctb_y * num_ctb_in_row + ps_proc->i4_ctb_x;
pu_idx = ps_proc->pu4_pic_pu_idx[ctb_addr];
ps_proc->pu1_pu_map = ps_proc->pu1_pic_pu_map
+ ctb_addr * num_minpu_in_ctb;
ps_proc->ps_pu = ps_proc->ps_pic_pu + pu_idx;
}
/* Number of ctbs processed in one loop of process function */
{
ps_proc->i4_nctb = MIN(ps_codec->u4_nctb, ps_tile->u2_wd);
}
}
void ihevcd_process_thread(process_ctxt_t *ps_proc)
{
{
ithread_set_affinity(ps_proc->i4_id + 1);
}
while(1)
{
IHEVCD_ERROR_T ret;
proc_job_t s_job;
ret = ihevcd_jobq_dequeue((jobq_t *)ps_proc->pv_proc_jobq, &s_job,
sizeof(proc_job_t), 1);
if((IHEVCD_ERROR_T)IHEVCD_SUCCESS != ret)
break;
ps_proc->i4_ctb_cnt = s_job.i2_ctb_cnt;
ps_proc->i4_ctb_x = s_job.i2_ctb_x;
ps_proc->i4_ctb_y = s_job.i2_ctb_y;
ps_proc->i4_cur_slice_idx = s_job.i2_slice_idx;
if(CMD_PROCESS == s_job.i4_cmd)
{
ihevcd_init_proc_ctxt(ps_proc, s_job.i4_tu_coeff_data_ofst);
ihevcd_process(ps_proc);
}
else if(CMD_FMTCONV == s_job.i4_cmd)
{
sps_t *ps_sps;
codec_t *ps_codec;
ivd_out_bufdesc_t *ps_out_buffer;
WORD32 num_rows;
if(0 == ps_proc->i4_init_done)
{
ihevcd_init_proc_ctxt(ps_proc, 0);
}
ps_sps = ps_proc->ps_sps;
ps_codec = ps_proc->ps_codec;
ps_out_buffer = ps_proc->ps_out_buffer;
num_rows = 1 << ps_sps->i1_log2_ctb_size;
num_rows = MIN(num_rows, (ps_codec->i4_disp_ht - (s_job.i2_ctb_y << ps_sps->i1_log2_ctb_size)));
if(num_rows < 0)
num_rows = 0;
ihevcd_fmt_conv(ps_proc->ps_codec, ps_proc, ps_out_buffer->pu1_bufs[0], ps_out_buffer->pu1_bufs[1], ps_out_buffer->pu1_bufs[2],
s_job.i2_ctb_y << ps_sps->i1_log2_ctb_size, num_rows);
}
}
//ithread_exit(0);
return;
}