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v811_spc009/external/libhevc/encoder/ihevce_dep_mngr.c

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/******************************************************************************
*
* Copyright (C) 2018 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 ihevce_dep_mngr.c
*
* \brief
* This file contains all the functions related to Sync manager
*
* \date
* 12/12/2013
*
* \author
* Ittiam
*
* List of Functions
* <TODO: TO BE ADDED>
*
******************************************************************************
*/
/*****************************************************************************/
/* File Includes */
/*****************************************************************************/
/* System include files */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <stdarg.h>
#include <math.h>
/* User include files */
#include "ihevc_typedefs.h"
#include "itt_video_api.h"
#include "ihevc_debug.h"
#include "ihevc_macros.h"
#include "ihevc_platform_macros.h"
#include "ihevce_api.h"
#include "ihevce_dep_mngr_interface.h"
#include "ihevce_dep_mngr_private.h"
#include "cast_types.h"
#include "osal.h"
#include "osal_defaults.h"
/*****************************************************************************/
/* Function Definitions */
/*****************************************************************************/
/*!
******************************************************************************
* \if Function name : ihevce_dmgr_get_num_mem_recs \endif
*
* \brief
* Number of memory records are returned for Dependency manager.
*
* \return
* None
*
* \author
* Ittiam
*
*****************************************************************************
*/
WORD32 ihevce_dmgr_get_num_mem_recs()
{
return (NUM_DEP_MNGR_MEM_RECS);
}
/*!
******************************************************************************
* \if Function name : ihevce_dmgr_get_mem_recs \endif
*
* \brief
* Memory requirements are returned for Dependency manager.
*
* \param[in,out] ps_mem_tab : pointer to memory descriptors table
* \param[in] dep_mngr_mode : Mode of operation of dependency manager
* \param[in] max_num_vert_units : Maximum nunber of units to be processed
* \param[in] num_tile_cols : Number of column tiles for which encoder is working
* \param[in] num_threads : Number of threads among which sync will be established
* \param[in] i4_mem_space : memspace in which memory request should be done
*
* \return
* None
*
* \author
* Ittiam
*
*****************************************************************************
*/
WORD32 ihevce_dmgr_get_mem_recs(
iv_mem_rec_t *ps_mem_tab,
WORD32 dep_mngr_mode,
WORD32 max_num_vert_units,
WORD32 num_tile_cols,
WORD32 num_threads,
WORD32 i4_mem_space)
{
WORD32 num_vert_units;
WORD32 num_wait_thrd_ids;
/* Dependency manager state structure */
ps_mem_tab[DEP_MNGR_CTXT].i4_mem_size = sizeof(dep_mngr_state_t);
ps_mem_tab[DEP_MNGR_CTXT].e_mem_type = (IV_MEM_TYPE_T)i4_mem_space;
ps_mem_tab[DEP_MNGR_CTXT].i4_mem_alignment = 8;
/* SANITY CHECK */
ASSERT(
(DEP_MNGR_FRM_FRM_SYNC == dep_mngr_mode) || (DEP_MNGR_ROW_FRM_SYNC == dep_mngr_mode) ||
(DEP_MNGR_ROW_ROW_SYNC == dep_mngr_mode));
/* Default value */
if(num_tile_cols < 1)
{
num_tile_cols = 1;
}
/**************** Get Processed status Memory Requirements *********************/
if(DEP_MNGR_FRM_FRM_SYNC == dep_mngr_mode)
{
/* for frame to frame sync
2 words are used for holding num units processed prev
2 words are used for holding num units processed curr
*/
num_vert_units = (2 + 2) * num_threads;
}
else
{
/* for both frm-row and row-row num vertical units in frame is allocated */
/* (* num_tile_cols) as each column tile can separately update and check */
num_vert_units = max_num_vert_units * num_tile_cols;
}
ps_mem_tab[DEP_MNGR_UNITS_PRCSD_MEM].i4_mem_size = (sizeof(WORD32) * num_vert_units);
ps_mem_tab[DEP_MNGR_UNITS_PRCSD_MEM].e_mem_type = (IV_MEM_TYPE_T)i4_mem_space;
ps_mem_tab[DEP_MNGR_UNITS_PRCSD_MEM].i4_mem_alignment = 8;
/**************** Get Wait thread ids Memory Requirements *********************/
if(DEP_MNGR_FRM_FRM_SYNC == dep_mngr_mode)
{
/* for frame to frame sync number of threads worth memory is allocated */
num_wait_thrd_ids = num_threads;
}
else if(DEP_MNGR_ROW_ROW_SYNC == dep_mngr_mode)
{
/* for row to row sync number of vertical rows worth memory is allocated */
num_wait_thrd_ids = max_num_vert_units;
}
else
{
/* for row to frame sync number of threads * number of vertical rows worth memory is allocated */
num_wait_thrd_ids = max_num_vert_units * num_threads;
}
ps_mem_tab[DEP_MNGR_WAIT_THRD_ID_MEM].i4_mem_size = (sizeof(WORD32) * num_wait_thrd_ids);
ps_mem_tab[DEP_MNGR_WAIT_THRD_ID_MEM].e_mem_type = (IV_MEM_TYPE_T)i4_mem_space;
ps_mem_tab[DEP_MNGR_WAIT_THRD_ID_MEM].i4_mem_alignment = 8;
/**************** Get Semaphore Requirements *********************/
ps_mem_tab[DEP_MNGR_SEM_HANDLE_MEM].i4_mem_size = (sizeof(void *) * num_threads);
ps_mem_tab[DEP_MNGR_SEM_HANDLE_MEM].e_mem_type = (IV_MEM_TYPE_T)i4_mem_space;
ps_mem_tab[DEP_MNGR_SEM_HANDLE_MEM].i4_mem_alignment = 8;
return (NUM_DEP_MNGR_MEM_RECS);
}
/*!
******************************************************************************
* \if Function name : ihevce_dmgr_map_get_mem_recs \endif
*
* \brief
* Memory requirements are returned for Dependency manager.
*
* \param[in,out] ps_mem_tab : pointer to memory descriptors table
* \param[in] num_units : Number of units in the map
* \param[in] num_threads : Number of threads among which sync will be established
* \param[in] i4_mem_space : memspace in which memory request should be done
*
* \return
* None
*
* \author
* Ittiam
*
*****************************************************************************
*/
WORD32 ihevce_dmgr_map_get_mem_recs(
iv_mem_rec_t *ps_mem_tab, WORD32 num_units, WORD32 num_threads, WORD32 i4_mem_space)
{
/* Dependency manager state structure */
ps_mem_tab[DEP_MNGR_CTXT].i4_mem_size = sizeof(dep_mngr_state_t);
ps_mem_tab[DEP_MNGR_CTXT].e_mem_type = (IV_MEM_TYPE_T)i4_mem_space;
ps_mem_tab[DEP_MNGR_CTXT].i4_mem_alignment = 8;
/**************** Get Processed status Memory Requirements *********************/
ps_mem_tab[DEP_MNGR_UNITS_PRCSD_MEM].i4_mem_size = (sizeof(WORD8) * num_units);
ps_mem_tab[DEP_MNGR_UNITS_PRCSD_MEM].e_mem_type = (IV_MEM_TYPE_T)i4_mem_space;
ps_mem_tab[DEP_MNGR_UNITS_PRCSD_MEM].i4_mem_alignment = 8;
/**************** Get Wait thread ids Memory Requirements *********************/
/* Map-mode: semaphore post is unconditionally done on all threads */
ps_mem_tab[DEP_MNGR_WAIT_THRD_ID_MEM].i4_mem_size = (sizeof(WORD32) * num_threads);
ps_mem_tab[DEP_MNGR_WAIT_THRD_ID_MEM].e_mem_type = (IV_MEM_TYPE_T)i4_mem_space;
ps_mem_tab[DEP_MNGR_WAIT_THRD_ID_MEM].i4_mem_alignment = 8;
/**************** Get Semaphore Requirements *********************/
ps_mem_tab[DEP_MNGR_SEM_HANDLE_MEM].i4_mem_size = (sizeof(void *) * num_threads);
ps_mem_tab[DEP_MNGR_SEM_HANDLE_MEM].e_mem_type = (IV_MEM_TYPE_T)i4_mem_space;
ps_mem_tab[DEP_MNGR_SEM_HANDLE_MEM].i4_mem_alignment = 8;
return (NUM_DEP_MNGR_MEM_RECS);
}
/*!
******************************************************************************
* \if Function name : ihevce_dmgr_rst_frm_frm_sync \endif
*
* \brief
* Resets the values stored to init value
*
* \param[in,out] pv_dep_mngr_state : Pointer to Sync Manager handle.
*
* \return
* None
*
* \author
* Ittiam
*
*****************************************************************************
*/
void ihevce_dmgr_rst_frm_frm_sync(void *pv_dep_mngr_state)
{
dep_mngr_state_t *ps_dep_mngr_state;
WORD32 thrds;
ULWORD64 *pu8_num_units_proc_prev;
ULWORD64 *pu8_num_units_proc_curr;
/* dep manager state structure */
ps_dep_mngr_state = (dep_mngr_state_t *)pv_dep_mngr_state;
/* Reset the num units processed by each thread */
pu8_num_units_proc_curr = (ULWORD64 *)ps_dep_mngr_state->pv_units_prcsd_in_row;
pu8_num_units_proc_prev = pu8_num_units_proc_curr + ps_dep_mngr_state->i4_num_thrds;
/* Reset the values thread ids waiting */
for(thrds = 0; thrds < ps_dep_mngr_state->i4_num_thrds; thrds++)
{
pu8_num_units_proc_prev[thrds] = 0;
pu8_num_units_proc_curr[thrds] = 0;
ps_dep_mngr_state->pi4_wait_thrd_id[thrds] = -1;
}
return;
}
/*!
******************************************************************************
* \if Function name : ihevce_dmgr_rst_row_frm_sync \endif
*
* \brief
* Resets the values stored to init value
*
* \param[in,out] pv_dep_mngr_state : Pointer to Sync Manager handle.
*
* \return
* None
*
* \author
* Ittiam
*
*****************************************************************************
*/
void ihevce_dmgr_rst_row_frm_sync(void *pv_dep_mngr_state)
{
dep_mngr_state_t *ps_dep_mngr_state;
WORD32 ctr, thrds;
/* dep manager state structure */
ps_dep_mngr_state = (dep_mngr_state_t *)pv_dep_mngr_state;
/* Reset the values of number of units processed in a row */
for(ctr = 0; ctr < ps_dep_mngr_state->i4_num_vert_units; ctr++)
{
((WORD32 *)ps_dep_mngr_state->pv_units_prcsd_in_row)[ctr] = 0;
}
/* Reset the values thread ids waiting on each row */
for(ctr = 0; ctr < ps_dep_mngr_state->i4_num_vert_units; ctr++)
{
for(thrds = 0; thrds < ps_dep_mngr_state->i4_num_thrds; thrds++)
{
ps_dep_mngr_state->pi4_wait_thrd_id[thrds + (ps_dep_mngr_state->i4_num_thrds * ctr)] =
-1;
}
}
return;
}
/*!
******************************************************************************
* \if Function name : ihevce_dmgr_map_rst_sync \endif
*
* \brief
* Resets the values stored to init value
*
* \param[in,out] pv_dep_mngr_state : Pointer to Sync Manager handle.
*
* \return
* None
*
* \author
* Ittiam
*
*****************************************************************************
*/
void ihevce_dmgr_map_rst_sync(void *pv_dep_mngr_state)
{
dep_mngr_state_t *ps_dep_mngr_state;
WORD8 *pi1_ptr;
/* dep manager state structure */
ps_dep_mngr_state = (dep_mngr_state_t *)pv_dep_mngr_state;
pi1_ptr = (WORD8 *)ps_dep_mngr_state->pv_units_prcsd_in_row -
ps_dep_mngr_state->ai4_tile_xtra_ctb[0] * ps_dep_mngr_state->i4_num_horz_units -
ps_dep_mngr_state->ai4_tile_xtra_ctb[1];
memset(
pi1_ptr,
MAP_CTB_INIT,
ps_dep_mngr_state->i4_num_vert_units * ps_dep_mngr_state->i4_num_horz_units *
sizeof(WORD8));
//ps_dep_mngr_state->i4_frame_map_complete = 0;
return;
}
/*!
******************************************************************************
* \if Function name : ihevce_dmgr_rst_row_row_sync \endif
*
* \brief
* Resets the values stored to init value
*
* \param[in,out] pv_dep_mngr_state : Pointer to Sync Manager handle.
*
* \return
* None
*
* \author
* Ittiam
*
*****************************************************************************
*/
void ihevce_dmgr_rst_row_row_sync(void *pv_dep_mngr_state)
{
dep_mngr_state_t *ps_dep_mngr_state;
WORD32 ctr;
/* dep manager state structure */
ps_dep_mngr_state = (dep_mngr_state_t *)pv_dep_mngr_state;
/* Reset the values of number of units processed in a row */
for(ctr = 0; ctr < (ps_dep_mngr_state->i4_num_vert_units * ps_dep_mngr_state->i4_num_tile_cols);
ctr++)
{
((WORD32 *)ps_dep_mngr_state->pv_units_prcsd_in_row)[ctr] = 0;
}
/* Reset the values thread ids waiting on each row */
for(ctr = 0; ctr < ps_dep_mngr_state->i4_num_vert_units; ctr++)
{
ps_dep_mngr_state->pi4_wait_thrd_id[ctr] = -1;
}
return;
}
/*!
******************************************************************************
* \if Function name : ihevce_dmgr_init \endif
*
* \brief
* Intialization for Dependency manager state structure .
*
* \param[in] ps_mem_tab : pointer to memory descriptors table
* \param[in] pv_osal_handle : osal handle
* \param[in] dep_mngr_mode : Mode of operation of dependency manager
* \param[in] max_num_vert_units : Maximum nunber of units to be processed (Frame Data)
* \param[in] max_num_horz_units : Maximun Number of Horizontal units to be processed (Frame Data)
* \param[in] num_tile_cols : Number of column tiles for which encoder is working
* \param[in] sem_enable : Whether you want to enable semaphore or not
1 : Sem. Enabled, 0 : Spin lock enabled (do-while)
* \param[in] num_threads : Number of threads among which sync will be established
* \param[in] i4_mem_space : memspace in which memory request should be do
*
* \return
* Handle to context
*
* \author
* Ittiam
*
*****************************************************************************
*/
void *ihevce_dmgr_init(
iv_mem_rec_t *ps_mem_tab,
void *pv_osal_handle,
WORD32 dep_mngr_mode,
WORD32 max_num_vert_units,
WORD32 max_num_horz_units,
WORD32 num_tile_cols,
WORD32 num_threads,
WORD32 sem_enable)
{
dep_mngr_state_t *ps_dep_mngr_state;
(void)pv_osal_handle;
/* dep manager state structure */
ps_dep_mngr_state = (dep_mngr_state_t *)ps_mem_tab[DEP_MNGR_CTXT].pv_base;
/* dep manager memory init */
ps_dep_mngr_state->ppv_thrd_sem_handles = (void **)ps_mem_tab[DEP_MNGR_SEM_HANDLE_MEM].pv_base;
ps_dep_mngr_state->pi4_wait_thrd_id = (WORD32 *)ps_mem_tab[DEP_MNGR_WAIT_THRD_ID_MEM].pv_base;
ps_dep_mngr_state->pv_units_prcsd_in_row = ps_mem_tab[DEP_MNGR_UNITS_PRCSD_MEM].pv_base;
/* SANITY CHECK */
ASSERT(NULL != pv_osal_handle);
ASSERT(
(DEP_MNGR_FRM_FRM_SYNC == dep_mngr_mode) || (DEP_MNGR_ROW_FRM_SYNC == dep_mngr_mode) ||
(DEP_MNGR_ROW_ROW_SYNC == dep_mngr_mode));
/* Default value */
if(num_tile_cols < 1)
{
num_tile_cols = 1;
}
/* reset the state structure variables */
ps_dep_mngr_state->i4_num_horz_units = max_num_horz_units;
ps_dep_mngr_state->i4_num_vert_units = max_num_vert_units;
ps_dep_mngr_state->i1_sem_enable = sem_enable;
ps_dep_mngr_state->i4_dep_mngr_mode = dep_mngr_mode;
ps_dep_mngr_state->i4_num_thrds = num_threads;
ps_dep_mngr_state->i4_num_tile_cols = num_tile_cols;
/* call the reset function baed on mode */
if(DEP_MNGR_FRM_FRM_SYNC == dep_mngr_mode)
{
ihevce_dmgr_rst_frm_frm_sync((void *)ps_dep_mngr_state);
}
else if(DEP_MNGR_ROW_ROW_SYNC == dep_mngr_mode)
{
ihevce_dmgr_rst_row_row_sync((void *)ps_dep_mngr_state);
}
else
{
ihevce_dmgr_rst_row_frm_sync((void *)ps_dep_mngr_state);
}
return ((void *)ps_dep_mngr_state);
}
/*!
******************************************************************************
* \if Function name : ihevce_dmgr_map_init \endif
*
* \brief
* Intialization for Dependency manager state structure .
*
* \param[in] ps_mem_tab : pointer to memory descriptors table
* \param[in] max_num_vert_units : Maximum nunber of units to be processed
* \param[in] max_num_horz_units : Maximun Number of Horizontal units to be processed
* \param[in] sem_enable : Whether you want to enable semaphore or not
1 : Sem. Enabled, 0 : Spin lock enabled (do-while)
* \param[in] num_threads : Number of threads among which sync will be established
* \param[in] ai4_tile_xtra_ctb : Array containing the number of CTBs which are
* are present in the Search Range outside the tile in dist-client mode.
* In standalone mode this array should be zero.
*
* \return
* Handle to context
*
* \author
* Ittiam
*
*****************************************************************************
*/
void *ihevce_dmgr_map_init(
iv_mem_rec_t *ps_mem_tab,
WORD32 max_num_vert_units,
WORD32 max_num_horz_units,
WORD32 sem_enable,
WORD32 num_threads,
WORD32 ai4_tile_xtra_ctb[4])
{
WORD32 ctr;
dep_mngr_state_t *ps_dep_mngr_state;
/* dep manager state structure */
ps_dep_mngr_state = (dep_mngr_state_t *)ps_mem_tab[DEP_MNGR_CTXT].pv_base;
ps_dep_mngr_state->ai4_tile_xtra_ctb[0] = ai4_tile_xtra_ctb[0];
ps_dep_mngr_state->ai4_tile_xtra_ctb[1] = ai4_tile_xtra_ctb[1];
ps_dep_mngr_state->ai4_tile_xtra_ctb[2] = ai4_tile_xtra_ctb[2];
ps_dep_mngr_state->ai4_tile_xtra_ctb[3] = ai4_tile_xtra_ctb[3];
/* dep manager memory init */
ps_dep_mngr_state->pv_units_prcsd_in_row = ps_mem_tab[DEP_MNGR_UNITS_PRCSD_MEM].pv_base;
ps_dep_mngr_state->pi4_wait_thrd_id = (WORD32 *)ps_mem_tab[DEP_MNGR_WAIT_THRD_ID_MEM].pv_base;
ps_dep_mngr_state->ppv_thrd_sem_handles = (void **)ps_mem_tab[DEP_MNGR_SEM_HANDLE_MEM].pv_base;
/* Pointing to first CTB of tile */
ps_dep_mngr_state->pv_units_prcsd_in_row =
(void*)((WORD8*)ps_dep_mngr_state->pv_units_prcsd_in_row +
ps_dep_mngr_state->ai4_tile_xtra_ctb[1] +
max_num_horz_units * ps_dep_mngr_state->ai4_tile_xtra_ctb[0]);
/* Map-mode: semaphore post is unconditionally done on all threads. Hence
store these one time IDs. The use of pi4_wait_thrd_id itself can be removed
altogether for map-mode, but keeping it for the sake of laziness */
for(ctr = 0; ctr < num_threads; ctr++)
{
ps_dep_mngr_state->pi4_wait_thrd_id[ctr] = ctr;
}
/* reset the state structure variables */
ps_dep_mngr_state->i4_num_horz_units = max_num_horz_units;
ps_dep_mngr_state->i4_num_vert_units = max_num_vert_units;
ps_dep_mngr_state->i1_sem_enable = sem_enable;
ps_dep_mngr_state->i4_dep_mngr_mode = DEP_MNGR_MAP_SYNC;
ps_dep_mngr_state->i4_num_thrds = num_threads;
/* call the reset function baed on mode */
ihevce_dmgr_map_rst_sync((void *)ps_dep_mngr_state);
return ((void *)ps_dep_mngr_state);
}
/*!
******************************************************************************
* \if Function name : ihevce_dmgr_del \endif
*
* \brief
* Delete the Dependency manager state structure.
* Note : Destroys the mutex only. System has to free the allocated memory
*
* \param[in,out] pv_dep_mngr_state : Pointer to Sync Manager handle.
*
* \return
* None
*
* \author
* Ittiam
*
*****************************************************************************
*/
void ihevce_dmgr_del(void *pv_dep_mngr_state)
{
dep_mngr_state_t *ps_dep_mngr_state;
/* dep manager state structure */
(void)ps_dep_mngr_state;
ps_dep_mngr_state = (dep_mngr_state_t *)pv_dep_mngr_state;
}
/*!
******************************************************************************
* \if Function name : ihevce_dmgr_register_sem_hdls \endif
*
* \brief
* Register sem handles of threads wihci are part of dependency group
*
* \param[in,out] pv_dep_mngr_state : Pointer to Sync Manager handle.
* \param[in] ppv_thread_sem_hdl : arry of pointer to all the sem handles
* \param[in] num_threads : Number of threads part of this dependency group
*
* \return
* None
*
* \author
* Ittiam
*
*****************************************************************************
*/
void ihevce_dmgr_reg_sem_hdls(void *pv_dep_mngr_state, void **ppv_thread_sem_hdl, WORD32 num_threads)
{
dep_mngr_state_t *ps_dep_mngr_state;
WORD32 ctr;
/* dep manager state structure */
ps_dep_mngr_state = (dep_mngr_state_t *)pv_dep_mngr_state;
ASSERT(num_threads <= ps_dep_mngr_state->i4_num_thrds);
for(ctr = 0; ctr < num_threads; ctr++)
{
ps_dep_mngr_state->ppv_thrd_sem_handles[ctr] = ppv_thread_sem_hdl[ctr];
}
return;
}
/*!
******************************************************************************
* \if Function name : ihevce_dmgr_set_prev_done_frm_frm_sync \endif
*
* \brief
* Set the values to dependency not resolved state
*
* \param[in,out] pv_dep_mngr_state : Pointer to Sync Manager handle.
*
* \return
* None
*
* \author
* Ittiam
*
*****************************************************************************
*/
void ihevce_dmgr_set_prev_done_frm_frm_sync(void *pv_dep_mngr_state)
{
dep_mngr_state_t *ps_dep_mngr_state;
WORD32 thrds;
ULWORD64 *pu8_num_units_proc_curr;
ULWORD64 *pu8_num_units_proc_prev;
/* dep manager state structure */
ps_dep_mngr_state = (dep_mngr_state_t *)pv_dep_mngr_state;
/* Reset the values num threads entering processing state */
pu8_num_units_proc_curr = (ULWORD64 *)ps_dep_mngr_state->pv_units_prcsd_in_row;
pu8_num_units_proc_prev =
(ULWORD64 *)(pu8_num_units_proc_curr + ps_dep_mngr_state->i4_num_thrds);
/* Reset the values thread ids waiting */
for(thrds = 0; thrds < ps_dep_mngr_state->i4_num_thrds; thrds++)
{
pu8_num_units_proc_prev[thrds] = 1;
ps_dep_mngr_state->pi4_wait_thrd_id[thrds] = -1;
}
return;
}
/*!
******************************************************************************
* \if Function name : ihevce_dmgr_set_done_frm_frm_sync \endif
*
* \brief
* Set the values to dependency met state
*
* \param[in,out] pv_dep_mngr_state : Pointer to Sync Manager handle.
*
* \return
* None
*
* \author
* Ittiam
*
*****************************************************************************
*/
void ihevce_dmgr_set_done_frm_frm_sync(void *pv_dep_mngr_state)
{
dep_mngr_state_t *ps_dep_mngr_state;
WORD32 thrds;
ULWORD64 *pu8_num_units_proc_curr;
/* dep manager state structure */
ps_dep_mngr_state = (dep_mngr_state_t *)pv_dep_mngr_state;
/* Reset the values num threads entering processing state */
pu8_num_units_proc_curr = (ULWORD64 *)ps_dep_mngr_state->pv_units_prcsd_in_row;
/* Reset the values thread ids waiting */
for(thrds = 0; thrds < ps_dep_mngr_state->i4_num_thrds; thrds++)
{
pu8_num_units_proc_curr[thrds] = 1;
ps_dep_mngr_state->pi4_wait_thrd_id[thrds] = -1;
}
return;
}
/*!
**************************************************************************
* \if Function name : ihevce_dmgr_chk_row_row_sync \endif
*
* \brief
* This function checks whether the dependency is met to proceed with
* processing. If condition is not met, it should go to a sem_wait state,
* else start processing.
*
* \param[in] pv_dep_mngr_state : Pointer to Sync Manager handle.
* \param[in] cur_offset : Current offset of the dep. variable
* \param[in] dep_offset : Offset from the current value to meet the dep.
* \param[in] dep_row : The position of the Ref.
* \param[in] cur_tile_col : The current column tile number (not tile id)
* Assuming the dependency is within the tile only (Acroos tiles won't work now)
* \param[in] thrd_id : Thread id of the current thread checking for dependency
*
* \return
* 0 on Success and -1 on error
*
* \author
* Ittiam
*
**************************************************************************
*/
WORD32 ihevce_dmgr_chk_row_row_sync(
void *pv_dep_mngr_state,
WORD32 cur_offset,
WORD32 dep_offset,
WORD32 dep_row,
WORD32 cur_tile_col,
WORD32 thrd_id)
{
dep_mngr_state_t *ps_dep_mngr_state;
volatile WORD32 *pi4_ref_value;
WORD32 ref_value;
ps_dep_mngr_state = (dep_mngr_state_t *)pv_dep_mngr_state;
/* Sanity Check */
ASSERT(dep_row >= 0);
ASSERT(dep_row < ps_dep_mngr_state->i4_num_vert_units);
ASSERT(cur_tile_col >= 0);
ASSERT(cur_tile_col < ps_dep_mngr_state->i4_num_tile_cols);
pi4_ref_value = ((volatile WORD32 *)(ps_dep_mngr_state->pv_units_prcsd_in_row)) +
(cur_tile_col * ps_dep_mngr_state->i4_num_vert_units) + dep_row;
/* Sanity Check */
ASSERT((cur_offset + dep_offset) <= ps_dep_mngr_state->i4_num_horz_units);
/* Check whether Dep. is met */
while(1)
{
ref_value = *pi4_ref_value;
if(ref_value >= (cur_offset + dep_offset))
break;
if(1 == ps_dep_mngr_state->i1_sem_enable)
{
void *pv_sem_handle;
WORD32 ret_val;
(void)ret_val;
pv_sem_handle = ps_dep_mngr_state->ppv_thrd_sem_handles[thrd_id];
/* register the thread id before going to pend state */
ps_dep_mngr_state->pi4_wait_thrd_id[dep_row] = thrd_id;
/* go to the pend state */
ret_val = osal_sem_wait(pv_sem_handle);
//ASSERT(0 == ret_val);
}
}
return 0;
}
/*!
**************************************************************************
* \if Function name : ihevce_dmgr_set_row_row_sync \endif
*
* \brief
* This function sets the dependency and wakes up the proper semaphores
* to start processing.
*
* \param[in] pv_dep_mngr_state : Pointer to Sync Manager handle.
* \param[in] cur_offset : Current offset processed
* \param[in] cur_row : The cur. vertical position
* \param[in] cur_tile_col : The current column tile number (not tile id)
* Assuming the dependency is within the tile only (Acroos tiles won't work now)
*
* \return
* 0 on Success and -1 on error
*
* \author
* Ittiam
*
**************************************************************************
*/
WORD32 ihevce_dmgr_set_row_row_sync(
void *pv_dep_mngr_state, WORD32 cur_offset, WORD32 cur_row, WORD32 cur_tile_col)
{
dep_mngr_state_t *ps_dep_mngr_state;
WORD32 *pi4_units_prcsd;
void *pv_sem_handle;
WORD32 ret_val;
(void)ret_val;
ps_dep_mngr_state = (dep_mngr_state_t *)pv_dep_mngr_state;
/* Sanity Check */
ASSERT(cur_offset >= 0);
ASSERT(cur_offset <= ps_dep_mngr_state->i4_num_horz_units);
ASSERT(cur_row <= ps_dep_mngr_state->i4_num_vert_units);
ASSERT(cur_tile_col >= 0);
ASSERT(cur_tile_col < ps_dep_mngr_state->i4_num_tile_cols);
DATA_SYNC();
pi4_units_prcsd = ((WORD32 *)(ps_dep_mngr_state->pv_units_prcsd_in_row)) +
(cur_tile_col * ps_dep_mngr_state->i4_num_vert_units) + cur_row;
/* Update the number of units processed */
*pi4_units_prcsd = cur_offset;
if(1 == ps_dep_mngr_state->i1_sem_enable)
{
WORD32 wait_thrd_id;
wait_thrd_id = ps_dep_mngr_state->pi4_wait_thrd_id[cur_row];
/* Post on threads waiting on the current row */
if(-1 != wait_thrd_id)
{
pv_sem_handle = ps_dep_mngr_state->ppv_thrd_sem_handles[wait_thrd_id];
/* Post on the semaphore */
ret_val = osal_sem_post(pv_sem_handle);
//ASSERT(0 == ret_val);
ps_dep_mngr_state->pi4_wait_thrd_id[cur_row] = -1;
}
/* towards end of row all threads are posted (to avoid any corner cases) */
if(cur_offset == ps_dep_mngr_state->i4_num_horz_units)
{
WORD32 ctr;
for(ctr = 0; ctr < ps_dep_mngr_state->i4_num_thrds; ctr++)
{
ret_val = osal_sem_post(ps_dep_mngr_state->ppv_thrd_sem_handles[ctr]);
//ASSERT(0 == ret_val);
}
}
}
return 0;
}
/*!
**************************************************************************
* \if Function name : ihevce_dmgr_chk_frm_frm_sync \endif
*
* \brief
* This function checks whether the dependency is met to proceed with
* processing. If condition is not met, it should go to a sem_wait state,
* else start processing.
* For Barrier case, the thread will wait till all threads have completed
* the processing on the previosu instance of same stage
* \param[in] pv_dep_mngr_state : Pointer to Sync Manager handle.
* \param[in] thrd_id : Thread id checking for dependency
*
* \return
* 0 on Success and -1 on error
*
* \author
* Ittiam
*
**************************************************************************
*/
WORD32 ihevce_dmgr_chk_frm_frm_sync(void *pv_dep_mngr_state, WORD32 thrd_id)
{
dep_mngr_state_t *ps_dep_mngr_state;
void *pv_sem_handle;
volatile ULWORD64 *pu8_num_units_proc_prev;
volatile ULWORD64 *pu8_num_units_proc_curr;
ULWORD64 prev_value;
ULWORD64 curr_value;
ps_dep_mngr_state = (dep_mngr_state_t *)pv_dep_mngr_state;
pv_sem_handle = ps_dep_mngr_state->ppv_thrd_sem_handles[thrd_id];
pu8_num_units_proc_curr = (volatile ULWORD64 *)ps_dep_mngr_state->pv_units_prcsd_in_row;
pu8_num_units_proc_prev =
(volatile ULWORD64 *)(pu8_num_units_proc_curr + ps_dep_mngr_state->i4_num_thrds);
/* Check whether Dep. is met */
while(1)
{
WORD32 ret_val;
(void)ret_val;
curr_value = pu8_num_units_proc_curr[thrd_id];
prev_value = pu8_num_units_proc_prev[thrd_id];
if(curr_value == (prev_value + 1))
{
break;
}
else
{
/* register the thread id before going to pend state */
ps_dep_mngr_state->pi4_wait_thrd_id[thrd_id] = thrd_id;
/* go to the pend state */
ret_val = osal_sem_wait(pv_sem_handle);
//ASSERT(0 == ret_val);
}
}
/* store curr value to prev for next iteration */
pu8_num_units_proc_prev[thrd_id] = pu8_num_units_proc_curr[thrd_id];
return 0;
}
/*!
**************************************************************************
* \if Function name : ihevce_dmgr_update_frm_frm_sync \endif
*
* \brief
* This function sets the dependency and wakes up the proper semaphores
* to start processing.
* For barrier case, if the dep. is met, all waiting threads should be waked up
*
* \param[in] pv_dep_mngr_state : Pointer to Sync Manager handle.
*
* \return
* 0 on Success and -1 on error
*
* \author
* Ittiam
*
**************************************************************************
*/
WORD32 ihevce_dmgr_update_frm_frm_sync(void *pv_dep_mngr_state)
{
dep_mngr_state_t *ps_dep_mngr_state;
void *pv_sem_handle;
volatile ULWORD64 *pu8_num_units_proc_curr;
WORD32 ctr;
ps_dep_mngr_state = (dep_mngr_state_t *)pv_dep_mngr_state;
pu8_num_units_proc_curr = (volatile ULWORD64 *)ps_dep_mngr_state->pv_units_prcsd_in_row;
/* Post on All vertical waiting threads semaphores & update the cur unit proc */
for(ctr = 0; ctr < ps_dep_mngr_state->i4_num_thrds; ctr++)
{
WORD32 ret_val;
WORD32 wait_thrd_id;
(void)ret_val;
/* increment the curr unit counter for all threads */
pu8_num_units_proc_curr[ctr] = pu8_num_units_proc_curr[ctr] + 1;
wait_thrd_id = ctr;
//wait_thrd_id = ps_dep_mngr_state->pi4_wait_thrd_id[ctr];
if(-1 != wait_thrd_id)
{
pv_sem_handle = ps_dep_mngr_state->ppv_thrd_sem_handles[wait_thrd_id];
/* Post on the semaphore */
ret_val = osal_sem_post(pv_sem_handle);
//ASSERT(0 == ret_val);
ps_dep_mngr_state->pi4_wait_thrd_id[ctr] = -1;
}
}
return 0;
}
/*!
**************************************************************************
* \if Function name : ihevce_dmgr_map_chk \endif
*
* \brief
* This function checks whether all entries in the dependency map are set
*
* \param[in] pu1_start : Pointer to the start of the search area
* \param[in] i4_num_ctb_x : Size of search area
* \param[in] i4_num_ctb_y : Size of search area
* \param[in] i4_stride : Stride of search area
*
* \return
* 1 on Success otherwise 0
*
* \author
* Ittiam
*
**************************************************************************
*/
WORD32
ihevce_dmgr_map_chk(WORD8 *pu1_start, WORD32 i4_num_ctb_x, WORD32 i4_num_ctb_y, WORD32 i4_stride)
{
WORD8 *pi1_ctb = pu1_start;
WORD32 row, col;
WORD32 map_ready_flag = MAP_CTB_COMPLETE;
for(row = 0; row < i4_num_ctb_y; row++)
{
for(col = 0; col < i4_num_ctb_x; col++)
{
map_ready_flag &= pi1_ctb[col];
}
pi1_ctb += i4_stride;
}
/* NOTE: early exit in the above loop can taken if map_ready_flag
is found to be zero somewhere at the start itself */
return (map_ready_flag == MAP_CTB_COMPLETE);
}
/*!
**************************************************************************
* \if Function name : ihevce_dmgr_map_chk_sync \endif
*
* \brief
* This function checks whether the dependency is met by searching in a
* rectangular area. If condition is not met, it should go to a sem_wait state,
* else start processing.
*
* \param[in] pv_dep_mngr_state : Pointer to Sync Manager handle.
* \param[in] thrd_id : Thread id of the current thread checking for dependency
* \param[in] offset_x : Offset of current CTB in Tile in ctb-unit
* \param[in] offset_y : Offset of current CTB in Tile in ctb-unit
* \param[in] i4_sr_ctb_x : Search Range in ctb-unit
* \param[in] i4_sr_ctb_y : Search Range in ctb-unit
*
* \return
* 0 on Success and -1 on error
*
* \author
* Ittiam
*
**************************************************************************
*/
WORD32 ihevce_dmgr_map_chk_sync(
void *pv_dep_mngr_state,
WORD32 thrd_id,
WORD32 offset_x,
WORD32 offset_y,
WORD32 i4_sr_ctb_x,
WORD32 i4_sr_ctb_y)
{
dep_mngr_state_t *ps_dep_mngr_state;
volatile WORD8 *pi1_ctb;
WORD8 *pi1_tile_start;
WORD32 i4_avail_left, i4_avail_right, i4_avail_top, i4_avail_bot;
WORD32 i4_num_ctb_x, i4_num_ctb_y;
WORD32 i4_stride;
WORD32 i4_tile_wd, i4_tile_ht; //in ctb units
ps_dep_mngr_state = (dep_mngr_state_t *)pv_dep_mngr_state;
i4_tile_wd = ps_dep_mngr_state->i4_num_horz_units - ps_dep_mngr_state->ai4_tile_xtra_ctb[1] -
ps_dep_mngr_state->ai4_tile_xtra_ctb[2];
i4_tile_ht = ps_dep_mngr_state->i4_num_vert_units - ps_dep_mngr_state->ai4_tile_xtra_ctb[0] -
ps_dep_mngr_state->ai4_tile_xtra_ctb[3];
i4_stride = ps_dep_mngr_state->i4_num_horz_units;
/* Sanity Checks, confirm if ctb offsets are within tiles */
ASSERT(offset_x >= 0);
ASSERT(offset_y >= 0);
ASSERT(offset_x < i4_tile_wd);
ASSERT(offset_y < i4_tile_ht);
pi1_tile_start = (WORD8 *)ps_dep_mngr_state->pv_units_prcsd_in_row;
pi1_ctb = (volatile WORD8 *)pi1_tile_start;
if(ps_dep_mngr_state->ai4_tile_xtra_ctb[0])
{
i4_avail_top = i4_sr_ctb_y;
}
else
{
i4_avail_top = MIN(i4_sr_ctb_y, offset_y);
}
if(ps_dep_mngr_state->ai4_tile_xtra_ctb[1])
{
i4_avail_left = i4_sr_ctb_x;
}
else
{
i4_avail_left = MIN(i4_sr_ctb_x, offset_x);
}
if(ps_dep_mngr_state->ai4_tile_xtra_ctb[2])
{
i4_avail_right = i4_sr_ctb_x;
}
else
{
i4_avail_right = MIN(i4_sr_ctb_x, (i4_tile_wd - offset_x - 1));
}
if(ps_dep_mngr_state->ai4_tile_xtra_ctb[3])
{
i4_avail_bot = i4_sr_ctb_y;
}
else
{
i4_avail_bot = MIN(i4_sr_ctb_y, (i4_tile_ht - offset_y - 1));
}
i4_num_ctb_x = (i4_avail_left + 1 + i4_avail_right);
i4_num_ctb_y = (i4_avail_top + 1 + i4_avail_bot);
/* Point to the start of the search-area */
pi1_ctb += ((offset_y - i4_avail_top) * i4_stride + (offset_x - i4_avail_left));
/* Check whether Dep. is met */
while(1)
{
if(1 == ihevce_dmgr_map_chk((WORD8 *)pi1_ctb, i4_num_ctb_x, i4_num_ctb_y, i4_stride))
{
break;
}
else
{
if(1 == ps_dep_mngr_state->i1_sem_enable)
{
osal_sem_wait(ps_dep_mngr_state->ppv_thrd_sem_handles[thrd_id]);
}
}
}
return 0;
}
/*!
**************************************************************************
* \if Function name : ihevce_dmgr_map_set_sync \endif
*
* \brief
* This function sets the dependency and wakes up the proper semaphores
* to start processing.
*
* \param[in] pv_dep_mngr_state : Pointer to Sync Manager handle.
* \param[in] offset_x : Offset of current CTB in Tile(ctb unit)
* \param[in] offset_y : Offset of current CTB in Tile(ctb unit)
*
* \return
* 0 on Success and -1 on error
*
* \author
* Ittiam
*
**************************************************************************
*/
WORD32 ihevce_dmgr_map_set_sync(
void *pv_dep_mngr_state, WORD32 offset_x, WORD32 offset_y, WORD32 i4_map_value)
{
dep_mngr_state_t *ps_dep_mngr_state;
WORD8 *pi1_tile_start;
WORD32 map_stride;
ps_dep_mngr_state = (dep_mngr_state_t *)pv_dep_mngr_state;
/* Sanity Checks */
ASSERT(offset_x >= (-ps_dep_mngr_state->ai4_tile_xtra_ctb[1]));
ASSERT(offset_y >= (-ps_dep_mngr_state->ai4_tile_xtra_ctb[0]));
ASSERT(
offset_x <
(ps_dep_mngr_state->i4_num_horz_units - ps_dep_mngr_state->ai4_tile_xtra_ctb[1]));
ASSERT(
offset_y <
(ps_dep_mngr_state->i4_num_vert_units - ps_dep_mngr_state->ai4_tile_xtra_ctb[0]));
DATA_SYNC();
map_stride = ps_dep_mngr_state->i4_num_horz_units;
pi1_tile_start = (WORD8 *)ps_dep_mngr_state->pv_units_prcsd_in_row;
/* Set the flag to indicate that this CTB has been processed */
*(pi1_tile_start + offset_y * map_stride + offset_x) = (WORD8)i4_map_value;
if(1 == ps_dep_mngr_state->i1_sem_enable)
{
WORD32 wait_thrd_id;
/* Post on threads waiting on the current row */
for(wait_thrd_id = 0; wait_thrd_id < ps_dep_mngr_state->i4_num_thrds; wait_thrd_id++)
{
/* Post on the semaphore */
/* Map-mode: semaphore post is unconditionally done on all threads */
osal_sem_post(ps_dep_mngr_state->ppv_thrd_sem_handles[wait_thrd_id]);
}
}
return 0;
}
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