/******************************************************************************
*
* 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_lap_interface.c
*
* @brief
* This file contains function definitions related to look-ahead processing
*
* @author
* ittiam
*
* @par List of Functions:
*
******************************************************************************
*/
/*****************************************************************************/
/* File Includes */
/*****************************************************************************/
/* System Include Files */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
/* User Include Files */
#include "ihevc_typedefs.h"
#include "itt_video_api.h"
#include "ihevce_api.h"
#include "rc_cntrl_param.h"
#include "rc_frame_info_collector.h"
#include "rc_look_ahead_params.h"
#include "ihevc_defs.h"
#include "ihevc_macros.h"
#include "ihevc_debug.h"
#include "ihevc_structs.h"
#include "ihevc_platform_macros.h"
#include "ihevc_deblk.h"
#include "ihevc_itrans_recon.h"
#include "ihevc_chroma_itrans_recon.h"
#include "ihevc_chroma_intra_pred.h"
#include "ihevc_intra_pred.h"
#include "ihevc_inter_pred.h"
#include "ihevc_mem_fns.h"
#include "ihevc_padding.h"
#include "ihevc_weighted_pred.h"
#include "ihevc_sao.h"
#include "ihevc_resi_trans.h"
#include "ihevc_quant_iquant_ssd.h"
#include "ihevc_cabac_tables.h"
#include "ihevce_defs.h"
#include "ihevce_api.h"
#include "ihevce_hle_interface.h"
#include "ihevce_hle_q_func.h"
#include "ihevce_lap_enc_structs.h"
#include "ihevce_lap_interface.h"
#include "ihevce_lap_structs.h"
#include "ihevce_multi_thrd_structs.h"
#include "ihevce_function_selector.h"
#include "ihevce_me_common_defs.h"
#include "ihevce_enc_structs.h"
#include "ihevce_rc_enc_structs.h"
#include "ihevce_rc_interface.h"
#include "ihevce_buffer_que_interface.h"
/*****************************************************************************/
/* Globals */
/*****************************************************************************/
WORD32 gau1_order_insert_pic_type[MAX_TEMPORAL_LAYERS][8] = {
{ P_PIC, B_PIC, P_PIC, B_PIC, P_PIC, B_PIC, P_PIC, B_PIC },
{ P_PIC, B_PIC, B1_PIC, B1_PIC, P_PIC, B_PIC, B1_PIC, B1_PIC },
{ P_PIC, B_PIC, B1_PIC, B2_PIC, B2_PIC, B1_PIC, B2_PIC, B2_PIC },
};
UWORD8 gau1_use_by_cur_pic_flag[MAX_REF_PICS] = { 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 };
/*****************************************************************************/
/* Function Definitions */
/*****************************************************************************/
/*!
************************************************************************
* \brief
* return number of records used by LAP
*
************************************************************************
*/
WORD32 ihevce_lap_get_num_mem_recs(void)
{
return (NUM_LAP_MEM_RECS);
}
/*!
************************************************************************
* @brief
* return each record attributes of LAP
************************************************************************
*/
WORD32 ihevce_lap_get_mem_recs(iv_mem_rec_t *ps_mem_tab, WORD32 i4_mem_space)
{
/* number of NODE memory */
WORD32 max_nodes = MAX_SUB_GOP_SIZE - 1;
ps_mem_tab[LAP_CTXT].i4_mem_size = sizeof(lap_struct_t);
ps_mem_tab[LAP_CTXT].e_mem_type = (IV_MEM_TYPE_T)i4_mem_space;
ps_mem_tab[LAP_CTXT].i4_mem_alignment = 8;
/* Node memory for 2 sub-gops*/
ps_mem_tab[LAP_NODE_MEM].i4_mem_size = (max_nodes * sizeof(ihevce_encode_node_t));
ps_mem_tab[LAP_NODE_MEM].e_mem_type = (IV_MEM_TYPE_T)i4_mem_space;
ps_mem_tab[LAP_NODE_MEM].i4_mem_alignment = 8;
return (NUM_LAP_MEM_RECS);
}
/*!
************************************************************************
* @brief
* Init LAP structure
************************************************************************
*/
void *ihevce_lap_init(
iv_mem_rec_t *ps_mem_tab,
ihevce_lap_static_params_t *ps_lap_params,
ihevce_static_cfg_params_t *ps_static_cfg_prms)
{
WORD32 i4_src_interlace_field;
WORD32 i4_max_temporal_layers;
ihevce_encode_node_t *ps_encode_node_struct;
lap_struct_t *ps_lap_struct = (lap_struct_t *)ps_mem_tab[LAP_CTXT].pv_base;
ihevce_lap_static_params_t *ps_lap_static_params = &ps_lap_struct->s_lap_static_params;
ps_lap_struct->aps_encode_node[0] = (ihevce_encode_node_t *)ps_mem_tab[LAP_NODE_MEM].pv_base;
memcpy(
&ps_lap_struct->s_static_cfg_params,
ps_static_cfg_prms,
sizeof(ihevce_static_cfg_params_t));
memmove(ps_lap_static_params, ps_lap_params, sizeof(ihevce_lap_static_params_t));
ps_lap_static_params->e_arch_type = ps_static_cfg_prms->e_arch_type;
/* Set the array to zero */
memset(&ps_lap_struct->ai4_capture_order_poc[0], 0, MAX_NUM_ENC_NODES * sizeof(WORD32));
memset(&ps_lap_struct->ai4_encode_order_poc[0], 0, MAX_NUM_ENC_NODES * sizeof(WORD32));
memset(&ps_lap_struct->ref_poc_array[0], 0xFF, sizeof(ps_lap_struct->ref_poc_array));
memset(&ps_lap_struct->ai4_pic_type_to_be_removed, 0, NUM_LAP2_LOOK_AHEAD * sizeof(WORD32));
ps_lap_struct->i4_curr_poc = 0;
ps_lap_struct->i4_cra_poc = 0;
i4_max_temporal_layers = ps_lap_static_params->i4_max_temporal_layers;
i4_src_interlace_field = ps_lap_static_params->i4_src_interlace_field;
ps_lap_struct->i4_max_idr_period =
ps_static_cfg_prms->s_coding_tools_prms.i4_max_closed_gop_period;
ps_lap_struct->i4_min_idr_period =
ps_static_cfg_prms->s_coding_tools_prms.i4_min_closed_gop_period;
ps_lap_struct->i4_max_cra_period =
ps_static_cfg_prms->s_coding_tools_prms.i4_max_cra_open_gop_period;
ps_lap_struct->i4_max_i_period =
ps_static_cfg_prms->s_coding_tools_prms.i4_max_i_open_gop_period;
ps_lap_struct->i4_idr_counter = 0;
ps_lap_struct->i4_cra_counter = 0;
ps_lap_struct->i4_i_counter = 0;
ps_lap_struct->i4_idr_gop_num = -1;
ps_lap_struct->i4_curr_ref_pics = 0;
ps_lap_struct->i4_display_num = 0;
ps_lap_struct->i4_num_frames_after_force_idr = 0;
ps_lap_struct->i4_num_frm_type_decided = 0;
ps_lap_struct->i4_next_start_ctr = 0;
ps_lap_struct->ai1_pic_type[0] = PIC_TYPE_IDR;
ps_lap_struct->i4_enable_logo = ps_lap_static_params->i4_enable_logo;
ps_lap_struct->i4_cra_i_pic_flag = 0;
ps_lap_struct->i4_force_end_flag = 0;
ps_lap_struct->i4_sub_gop_size = (1 << i4_max_temporal_layers);
ps_lap_struct->i4_sub_gop_size_idr =
ps_lap_struct->i4_sub_gop_size + (i4_max_temporal_layers > 0);
ps_lap_struct->i4_is_all_i_pic_in_seq = 0;
if(ps_lap_struct->i4_max_idr_period == 1 || ps_lap_struct->i4_max_cra_period == 1 ||
ps_lap_struct->i4_max_i_period == 1)
{
ps_lap_struct->i4_is_all_i_pic_in_seq = 1;
}
if(1 == i4_src_interlace_field && (!ps_lap_struct->i4_is_all_i_pic_in_seq))
{
ps_lap_struct->i4_sub_gop_size <<= 1;
ps_lap_struct->i4_sub_gop_size_idr <<= 1;
}
ps_lap_struct->i4_fixed_open_gop_period = 1;
ps_lap_struct->i4_fixed_i_period = 1;
if(ps_static_cfg_prms->s_coding_tools_prms.i4_max_closed_gop_period <=
ps_lap_struct->i4_sub_gop_size)
{
ps_lap_struct->i4_min_idr_period =
ps_static_cfg_prms->s_coding_tools_prms.i4_max_closed_gop_period;
}
if(ps_lap_struct->i4_max_idr_period)
{
if(ps_lap_struct->i4_max_cra_period)
{
ps_lap_struct->i4_gop_period = ps_lap_struct->i4_max_cra_period;
}
else if(ps_lap_struct->i4_max_i_period)
{
ps_lap_struct->i4_gop_period = ps_lap_struct->i4_max_i_period;
}
else
{
ps_lap_struct->i4_gop_period = ps_lap_struct->i4_max_idr_period;
}
}
else
{
if(ps_lap_struct->i4_max_i_period)
{
ps_lap_struct->i4_gop_period = ps_lap_struct->i4_max_i_period;
}
else if(ps_lap_struct->i4_max_cra_period)
{
ps_lap_struct->i4_gop_period = ps_lap_struct->i4_max_cra_period;
}
}
if(!ps_lap_struct->i4_max_i_period)
{
ps_lap_struct->i4_max_i_period =
2 * MAX(ps_lap_struct->i4_max_idr_period, ps_lap_struct->i4_max_cra_period);
}
ps_lap_struct->i4_no_back_to_back_i_avoidance = 0;
/*Infinite GOP case*/
if(!ps_lap_struct->i4_gop_period)
{
/*max signed 32 bit value which will be ~ 414 days considering 60frames/fields per second*/
ps_lap_struct->i4_max_i_period = 0x7fffffff;
ps_lap_struct->i4_gop_period =
(INFINITE_GOP_CDR_TIME_S * (ps_static_cfg_prms->s_src_prms.i4_frm_rate_num /
ps_static_cfg_prms->s_src_prms.i4_frm_rate_denom));
}
if(ps_lap_struct->i4_gop_period < (2 * ps_lap_struct->i4_sub_gop_size))
{
ps_lap_struct->i4_no_back_to_back_i_avoidance = 1;
}
ps_lap_struct->i4_rc_lap_period =
ps_static_cfg_prms->s_lap_prms.i4_rc_look_ahead_pics + MIN_L1_L0_STAGGER_NON_SEQ;
ps_lap_struct->pv_prev_inp_buf = NULL;
ps_lap_struct->i4_buf_deq_idx = 0;
ps_lap_struct->i4_deq_idx = 0;
ps_lap_struct->i4_enq_idx = 0;
ps_lap_struct->i4_lap2_counter = 0;
ps_lap_struct->i4_dyn_sub_gop_size = ps_lap_struct->i4_sub_gop_size;
ps_lap_struct->i4_buf_enq_idx = 0;
ps_lap_struct->i4_lap_out_idx = 0;
ps_lap_struct->i4_capture_idx = 0;
ps_lap_struct->i4_idr_flag = 1;
ps_lap_struct->i4_num_bufs_encode_order = 0;
ps_lap_struct->end_flag = 0;
ps_lap_struct->i4_immediate_idr_case = 0;
ps_lap_struct->i4_max_buf_in_enc_order = 0;
ps_lap_struct->i4_end_flag_pic_idx = 0;
memset(
&ps_lap_struct->api4_encode_order_array[0],
0,
sizeof(ihevce_lap_enc_buf_t *) * MAX_NUM_ENC_NODES);
{
WORD32 node_offset, curr_layer;
WORD32 i;
/*intialization of aps_lap_inp_buf*/
for(i = 0; i < MAX_QUEUE_LENGTH; i++)
{
ps_lap_struct->aps_lap_inp_buf[i] = NULL;
}
/* init capture order and encode order pointer */
ps_lap_struct->pi4_capture_poc_ptr = &ps_lap_struct->ai4_capture_order_poc[0];
ps_lap_struct->pi4_encode_poc_ptr = &ps_lap_struct->ai4_encode_order_poc[0];
/* init all the buffer status to default values */
ps_encode_node_struct = ps_lap_struct->aps_encode_node[0];
ps_encode_node_struct->pv_left_node = NULL;
ps_encode_node_struct->pv_right_node = NULL;
/* Initialise the tree */
node_offset = 1;
curr_layer = 0;
ihevce_populate_tree_nodes(
ps_encode_node_struct,
ps_encode_node_struct,
&node_offset,
curr_layer,
ps_lap_static_params->i4_max_temporal_layers);
}
ps_mem_tab += NUM_LAP_MEM_RECS;
return ((void *)ps_lap_struct);
}
/*!
******************************************************************************
* \if Function name : ihevce_populate_tree_nodes \endif
*
* \brief
* LAP populate nodes function
*
* \param[in] encode_parent_node_t node pointer to base
* encode_node_t node pointer to current buffer
* loop_count layer count
* hier_layer total layers
* \return
* None
*
* \author
* Ittiam
*
*****************************************************************************
*/
void ihevce_populate_tree_nodes(
ihevce_encode_node_t *encode_parent_node_t,
ihevce_encode_node_t *encode_node_t,
WORD32 *loop_count,
WORD32 layer,
WORD32 hier_layer)
{
/* If only I/P pictures, return NULL from the child nodes*/
if(hier_layer == 0)
{
encode_node_t->pv_left_node = NULL;
encode_node_t->pv_right_node = NULL;
return;
}
if(layer == hier_layer)
return;
layer = layer + 1;
/* If the layers are not exhausted */
if(layer < hier_layer)
{
encode_node_t->pv_left_node = encode_parent_node_t + (*loop_count);
encode_node_t->pv_right_node = encode_parent_node_t + (*loop_count + 1);
(*loop_count) = (*loop_count) + 2;
}
else
{
encode_node_t->pv_left_node = NULL;
encode_node_t->pv_right_node = NULL;
}
/* Populate Left tree nodes */
ihevce_populate_tree_nodes(
encode_parent_node_t,
(ihevce_encode_node_t *)encode_node_t->pv_left_node,
loop_count,
layer,
hier_layer);
/* Populate right tree nodes */
ihevce_populate_tree_nodes(
encode_parent_node_t,
(ihevce_encode_node_t *)encode_node_t->pv_right_node,
loop_count,
layer,
hier_layer);
}
/*!
************************************************************************
* \brief
* pad input when its dimensions are not aligned to LCU size
************************************************************************
*/
void ihevce_lap_pad_input_bufs(
ihevce_lap_enc_buf_t *ps_curr_inp, WORD32 align_pic_wd, WORD32 align_pic_ht)
{
/* local variables */
WORD32 ctr_horz, ctr_vert;
/* ------- Horizontal Right Padding ------ */
if(align_pic_wd != ps_curr_inp->s_lap_out.s_input_buf.i4_y_wd)
{
UWORD8 *pu1_inp;
UWORD16 *pu2_inp;
WORD32 pad_wd;
WORD32 pad_ht;
/* ------------- LUMA ----------------------------- */
/* derive the pointers and dimensions to be padded */
pad_ht = ps_curr_inp->s_lap_out.s_input_buf.i4_y_ht;
pad_wd = align_pic_wd - ps_curr_inp->s_lap_out.s_input_buf.i4_y_wd;
pu1_inp = (UWORD8 *)ps_curr_inp->s_lap_out.s_input_buf.pv_y_buf;
pu1_inp += ps_curr_inp->s_lap_out.s_input_buf.i4_y_wd;
/* loops for padding the right region for entire pic */
for(ctr_vert = 0; ctr_vert < pad_ht; ctr_vert++)
{
for(ctr_horz = 0; ctr_horz < pad_wd; ctr_horz++)
{
/* last pixel is replicated */
pu1_inp[ctr_horz] = pu1_inp[-1];
}
/* row level increments */
pu1_inp += ps_curr_inp->s_lap_out.s_input_buf.i4_y_strd;
}
/* ------------- CHROMA ---------------------------- */
/* derive the pointers and dimensions to be padded */
pad_ht = ps_curr_inp->s_lap_out.s_input_buf.i4_uv_ht;
pad_wd = align_pic_wd - ps_curr_inp->s_lap_out.s_input_buf.i4_uv_wd;
pad_wd >>= 1;
pu1_inp = (UWORD8 *)ps_curr_inp->s_lap_out.s_input_buf.pv_u_buf;
pu2_inp = (UWORD16 *)(pu1_inp + ps_curr_inp->s_lap_out.s_input_buf.i4_uv_wd);
/* loops for padding the right region for entire pic */
for(ctr_vert = 0; ctr_vert < pad_ht; ctr_vert++)
{
for(ctr_horz = 0; ctr_horz < pad_wd; ctr_horz++)
{
/* last pixel is replicated, cb and cr pixel interleaved */
pu2_inp[ctr_horz] = pu2_inp[-1];
}
/* row level increments */
pu2_inp += (ps_curr_inp->s_lap_out.s_input_buf.i4_uv_strd >> 1);
}
}
/* ------- Vertical Bottom Padding ------ */
if(align_pic_ht != ps_curr_inp->s_lap_out.s_input_buf.i4_y_ht)
{
UWORD8 *pu1_inp, *pu1_src;
WORD32 pad_ht;
/* ------------- LUMA ----------------------------- */
/* derive the pointers and dimensions to be padded */
pad_ht = align_pic_ht - ps_curr_inp->s_lap_out.s_input_buf.i4_y_ht;
pu1_inp = (UWORD8 *)ps_curr_inp->s_lap_out.s_input_buf.pv_y_buf;
pu1_inp += ps_curr_inp->s_lap_out.s_input_buf.i4_y_ht *
ps_curr_inp->s_lap_out.s_input_buf.i4_y_strd;
/* get the pointer of last row */
pu1_src = pu1_inp - ps_curr_inp->s_lap_out.s_input_buf.i4_y_strd;
/* loops for padding the bottom region for entire row */
for(ctr_vert = 0; ctr_vert < pad_ht; ctr_vert++)
{
/* copy the eniter orw including horz padd region */
memcpy(pu1_inp, pu1_src, align_pic_wd);
/* row level increments */
pu1_inp += ps_curr_inp->s_lap_out.s_input_buf.i4_y_strd;
}
/* ------------- CHROMA ----------------------------- */
/* derive the pointers and dimensions to be padded */
pad_ht = (align_pic_ht >> 1) - ps_curr_inp->s_lap_out.s_input_buf.i4_uv_ht;
pu1_inp = (UWORD8 *)ps_curr_inp->s_lap_out.s_input_buf.pv_u_buf;
pu1_inp += ps_curr_inp->s_lap_out.s_input_buf.i4_uv_ht *
ps_curr_inp->s_lap_out.s_input_buf.i4_uv_strd;
/* get the pointer of last row */
pu1_src = pu1_inp - ps_curr_inp->s_lap_out.s_input_buf.i4_uv_strd;
/* loops for padding the bottom region for entire row */
for(ctr_vert = 0; ctr_vert < pad_ht; ctr_vert++)
{
/* copy the eniter orw including horz padd region */
memcpy(pu1_inp, pu1_src, align_pic_wd);
/* row level increments */
pu1_inp += ps_curr_inp->s_lap_out.s_input_buf.i4_uv_strd;
}
}
return;
}
/*!
************************************************************************
* \brief
* check for last inp buf
************************************************************************
*/
WORD32 ihevce_check_last_inp_buf(WORD32 *pi4_cmd_buf)
{
WORD32 cmd = (*pi4_cmd_buf) & (IHEVCE_COMMANDS_TAG_MASK);
if(IHEVCE_SYNCH_API_FLUSH_TAG == cmd)
return 1;
return 0;
}
/*!
************************************************************************
* \brief
* lap parse sync commands
************************************************************************
*/
void ihevce_lap_parse_sync_cmd(
ihevce_hle_ctxt_t *ps_hle_ctxt,
ihevce_static_cfg_params_t *ps_static_cfg_prms,
WORD32 *pi4_cmd_buf,
ihevce_lap_enc_buf_t *ps_lap_inp_buf,
WORD32 *pi4_flush_check,
WORD32 *pi4_force_idr_check,
WORD32 *pi4_set_res_check,
WORD32 *pi4_num_frames_after_force_idr)
{
WORD32 *pi4_end;
WORD32 i4_sub_gop_size_mul_2, i4_field_pic, i4_is_first_field;
WORD32 *pi4_tag_parse, i4_end_flag = 0, *pi4_next_tag, i4_length, i4_buf_id, i4_next_tag;
UWORD32 u4_num_sei = 0;
i4_length = ps_lap_inp_buf->s_input_buf.i4_cmd_buf_size;
i4_buf_id = ps_lap_inp_buf->s_input_buf.i4_buf_id;
pi4_end = pi4_cmd_buf + (i4_length >> 2) - 1;
i4_sub_gop_size_mul_2 = (1 << ps_static_cfg_prms->s_coding_tools_prms.i4_max_temporal_layers)
<< 1;
i4_field_pic = ps_static_cfg_prms->s_src_prms.i4_field_pic;
pi4_tag_parse = pi4_cmd_buf;
i4_is_first_field = 1;
if(i4_field_pic)
{
i4_is_first_field =
(ps_lap_inp_buf->s_input_buf.i4_topfield_first ^
ps_lap_inp_buf->s_input_buf.i4_bottom_field);
}
while(pi4_tag_parse != (pi4_end + 1))
{
switch((*pi4_tag_parse) & (IHEVCE_COMMANDS_TAG_MASK))
{
case IHEVCE_SYNCH_API_FLUSH_TAG:
(*pi4_flush_check) = 1;
if((*(pi4_tag_parse + 1)))
ps_hle_ctxt->ihevce_cmds_error_report(
ps_hle_ctxt->pv_cmd_err_cb_handle,
IHEVCE_SYNCH_ERR_LENGTH_NOT_ZERO,
1,
i4_buf_id);
pi4_tag_parse += 2;
u4_num_sei++;
break;
case IHEVCE_SYNCH_API_FORCE_IDR_TAG:
if(0 == i4_field_pic)
{
(*pi4_force_idr_check) = 1;
if((*(pi4_tag_parse + 1)))
ps_hle_ctxt->ihevce_cmds_error_report(
ps_hle_ctxt->pv_cmd_err_cb_handle,
IHEVCE_SYNCH_ERR_LENGTH_NOT_ZERO,
1,
i4_buf_id);
if(*pi4_num_frames_after_force_idr < i4_sub_gop_size_mul_2)
{
ps_hle_ctxt->ihevce_cmds_error_report(
ps_hle_ctxt->pv_cmd_err_cb_handle,
IHEVCE_SYNCH_ERR_FREQ_FORCE_IDR_RECEIVED,
1,
i4_buf_id);
}
*pi4_num_frames_after_force_idr = 0;
}
else
{
if(i4_is_first_field)
{
(*pi4_force_idr_check) = 1;
}
if((*(pi4_tag_parse + 1)))
ps_hle_ctxt->ihevce_cmds_error_report(
ps_hle_ctxt->pv_cmd_err_cb_handle,
IHEVCE_SYNCH_ERR_LENGTH_NOT_ZERO,
1,
i4_buf_id);
if((*pi4_num_frames_after_force_idr < (i4_sub_gop_size_mul_2 << 1)))
{
ps_hle_ctxt->ihevce_cmds_error_report(
ps_hle_ctxt->pv_cmd_err_cb_handle,
IHEVCE_SYNCH_ERR_FREQ_FORCE_IDR_RECEIVED,
1,
i4_buf_id);
}
*pi4_num_frames_after_force_idr = 0;
}
pi4_tag_parse += 2;
u4_num_sei++;
break;
case IHEVCE_SYNCH_API_SET_RES_TAG:
(*pi4_set_res_check) = 0;
ps_hle_ctxt->ihevce_cmds_error_report(
ps_hle_ctxt->pv_cmd_err_cb_handle,
IHEVCE_SYNCH_ERR_SET_RES_NOT_SUPPORTED,
1,
i4_buf_id);
break;
case IHEVCE_SYNCH_API_REG_ALLFRAME_SEI_TAG:
pi4_next_tag =
pi4_tag_parse + 2 +
(((*(pi4_tag_parse + 1) - 1) >> 2) + 1); //Logic to reach the next boundary of 4
i4_next_tag = (*pi4_next_tag & IHEVCE_COMMANDS_TAG_MASK);
if((i4_next_tag != IHEVCE_SYNCH_API_END_TAG) &&
(i4_next_tag != IHEVCE_SYNCH_API_FLUSH_TAG) &&
(i4_next_tag != IHEVCE_SYNCH_API_FORCE_IDR_TAG) &&
(i4_next_tag != IHEVCE_SYNCH_API_REG_KEYFRAME_SEI_TAG) &&
(i4_next_tag != IHEVCE_SYNCH_API_REG_ALLFRAME_SEI_TAG))
{
if(*(pi4_tag_parse + 1) % 4)
ps_hle_ctxt->ihevce_cmds_error_report(
ps_hle_ctxt->pv_cmd_err_cb_handle,
IHEVCE_SYNCH_ERR_NO_PADDING,
1,
i4_buf_id);
else
ps_hle_ctxt->ihevce_cmds_error_report(
ps_hle_ctxt->pv_cmd_err_cb_handle,
IHEVCE_SYNCH_ERR_WRONG_LENGTH,
1,
i4_buf_id);
}
pi4_tag_parse = pi4_next_tag;
u4_num_sei++;
break;
case IHEVCE_SYNCH_API_REG_KEYFRAME_SEI_TAG:
pi4_next_tag =
pi4_tag_parse + 2 +
(((*(pi4_tag_parse + 1) - 1) >> 2) + 1); //Logic to reach the next boundary of 4
i4_next_tag = (*pi4_next_tag & IHEVCE_COMMANDS_TAG_MASK);
if((i4_next_tag != IHEVCE_SYNCH_API_END_TAG) &&
(i4_next_tag != IHEVCE_SYNCH_API_FLUSH_TAG) &&
(i4_next_tag != IHEVCE_SYNCH_API_FORCE_IDR_TAG) &&
(i4_next_tag != IHEVCE_SYNCH_API_REG_KEYFRAME_SEI_TAG) &&
(i4_next_tag != IHEVCE_SYNCH_API_REG_ALLFRAME_SEI_TAG))
{
if(*(pi4_tag_parse + 1) % 4)
ps_hle_ctxt->ihevce_cmds_error_report(
ps_hle_ctxt->pv_cmd_err_cb_handle,
IHEVCE_SYNCH_ERR_NO_PADDING,
1,
i4_buf_id);
else
ps_hle_ctxt->ihevce_cmds_error_report(
ps_hle_ctxt->pv_cmd_err_cb_handle,
IHEVCE_SYNCH_ERR_WRONG_LENGTH,
1,
i4_buf_id);
}
pi4_tag_parse = pi4_next_tag;
u4_num_sei++;
break;
case IHEVCE_SYNCH_API_END_TAG:
i4_end_flag = 1;
break;
default:
ps_hle_ctxt->ihevce_cmds_error_report(
ps_hle_ctxt->pv_cmd_err_cb_handle, IHEVCE_SYNCH_ERR_TLV_ERROR, 1, i4_buf_id);
}
if(i4_end_flag)
break;
}
if(u4_num_sei > MAX_NUMBER_OF_SEI_PAYLOAD) //Checking for max number of SEI messages.
ps_hle_ctxt->ihevce_cmds_error_report(
ps_hle_ctxt->pv_cmd_err_cb_handle, IHEVCE_SYNCH_ERR_TOO_MANY_SEI_MSG, 1, i4_buf_id);
if(!i4_end_flag)
ps_hle_ctxt->ihevce_cmds_error_report(
ps_hle_ctxt->pv_cmd_err_cb_handle, IHEVCE_SYNCH_ERR_NO_END_TAG, 1, i4_buf_id);
}
/*!
************************************************************************
* \brief
* lap parse Async commands
************************************************************************
*/
void ihevce_lap_parse_async_cmd(
ihevce_hle_ctxt_t *ps_hle_ctxt,
WORD32 *pi4_cmd_buf,
WORD32 i4_length,
WORD32 i4_buf_id,
WORD32 *pi4_num_set_bitrate_cmds,
ihevce_dyn_config_prms_t *ps_dyn_br)
{
WORD32 i4_end_flag = 0;
WORD32 *pi4_end = pi4_cmd_buf + (i4_length >> 2) - 1;
WORD32 *pi4_tag_parse = pi4_cmd_buf;
while(pi4_tag_parse != pi4_end)
{
switch(*pi4_tag_parse)
{
case IHEVCE_ASYNCH_API_SETBITRATE_TAG:
if((*(pi4_tag_parse + 1)) != sizeof(ihevce_dyn_config_prms_t))
ps_hle_ctxt->ihevce_cmds_error_report(
ps_hle_ctxt->pv_cmd_err_cb_handle, IHEVCE_ASYNCH_ERR_BR_NOT_BYTE, 1, i4_buf_id);
memcpy(
(void *)ps_dyn_br, (void *)(pi4_tag_parse + 2), sizeof(ihevce_dyn_config_prms_t));
pi4_tag_parse += 2;
pi4_tag_parse += (sizeof(ihevce_dyn_config_prms_t) >> 2);
*pi4_num_set_bitrate_cmds = *pi4_num_set_bitrate_cmds + 1;
ps_dyn_br++;
break;
case IHEVCE_ASYNCH_API_END_TAG:
i4_end_flag = 1;
break;
default:
ps_hle_ctxt->ihevce_cmds_error_report(
ps_hle_ctxt->pv_cmd_err_cb_handle, IHEVCE_ASYNCH_ERR_TLV_ERROR, 1, i4_buf_id);
}
if(i4_end_flag)
break;
}
if(!i4_end_flag)
ps_hle_ctxt->ihevce_cmds_error_report(
ps_hle_ctxt->pv_cmd_err_cb_handle, IHEVCE_ASYNCH_ERR_NO_END_TAG, 1, i4_buf_id);
}
/*!
************************************************************************
* \brief
* ref pics weight offset calculation
************************************************************************
*/
void ref_pics_weight_offset_calc(ihevce_lap_output_params_t *ps_lap_out, lap_struct_t *ps_lap_struct)
{
WORD32 i, j;
WORD32 *ref_poc_array = ps_lap_struct->ref_poc_array;
WORD32 ai4_delta_poc[MAX_REF_PICS];
WORD32 ref_poc_arr_sort[MAX_REF_PICS];
/* Default weighted pred parameters populated for now */
ps_lap_out->i4_log2_luma_wght_denom = DENOM_DEFAULT;
ps_lap_out->i4_log2_chroma_wght_denom = DENOM_DEFAULT;
/* sort the ref_poc_array based on delta as
* in case weighted pred dup pics are inserted and it should consider
* the neighbors first for prediction than farthest */
for(i = 0; i < ps_lap_struct->i4_curr_ref_pics; i++)
{
ai4_delta_poc[i] = ref_poc_array[i] - ps_lap_out->i4_poc;
}
for(i = 0; i < ps_lap_struct->i4_curr_ref_pics; i++)
{
WORD32 i4_min, temp;
i4_min = i;
for(j = i; j < ps_lap_struct->i4_curr_ref_pics; j++)
{
if(abs(ai4_delta_poc[j]) <= abs(ai4_delta_poc[i4_min]))
{
i4_min = j;
}
}
temp = ai4_delta_poc[i];
ai4_delta_poc[i] = ai4_delta_poc[i4_min];
ai4_delta_poc[i4_min] = temp;
ref_poc_arr_sort[i] = ai4_delta_poc[i] + ps_lap_out->i4_poc;
}
for(i = 0; i < ps_lap_struct->i4_curr_ref_pics; i++)
{
ps_lap_out->as_ref_pics[i].i4_ref_pic_delta_poc = ref_poc_arr_sort[i] - ps_lap_out->i4_poc;
ASSERT(ps_lap_out->as_ref_pics[i].i4_ref_pic_delta_poc);
/* Enable flag for the reference pics to be used by curr pic */
ps_lap_out->as_ref_pics[i].i4_used_by_cur_pic_flag = gau1_use_by_cur_pic_flag[i];
/* Currently no weighted prediction offset added */
ps_lap_out->as_ref_pics[i].i4_num_duplicate_entries_in_ref_list = 1;
}
return;
}
/*!
************************************************************************
* \brief
* ref b picture population
************************************************************************
*/
void ref_b_pic_population(
WORD32 curr_layer, ihevce_lap_enc_buf_t *ps_lap_inp, lap_struct_t *ps_lap_struct)
{
ihevce_lap_output_params_t *ps_lap_out = &ps_lap_inp->s_lap_out;
WORD32 *ref_poc_array = ps_lap_struct->ref_poc_array;
WORD32 *p_ref_poc_array = ref_poc_array;
WORD32 i4_interlace_field = ps_lap_struct->s_lap_static_params.i4_src_interlace_field;
WORD32 i4_max_ref_pics = ps_lap_struct->s_lap_static_params.i4_max_reference_frames;
WORD32 max_temporal_layers = ps_lap_struct->s_lap_static_params.i4_max_temporal_layers;
/* LAP output structure */
ps_lap_out->i4_poc = ps_lap_struct->pi4_encode_poc_ptr[0];
ps_lap_out->i4_idr_gop_num = ps_lap_struct->i4_idr_gop_num;
ps_lap_out->i4_assoc_IRAP_poc = ps_lap_struct->i4_assoc_IRAP_poc;
ps_lap_out->i4_temporal_lyr_id = curr_layer;
ps_lap_out->i4_pic_type = IV_B_FRAME;
if((ps_lap_out->i4_poc > ps_lap_struct->i4_cra_poc) &&
(ref_poc_array[0] < ps_lap_struct->i4_cra_poc) && ps_lap_struct->i4_cra_i_pic_flag)
{
ref_poc_array[0] = ps_lap_struct->i4_cra_poc;
ps_lap_struct->i4_curr_ref_pics = 1;
}
ps_lap_out->i4_num_ref_pics = ps_lap_struct->i4_curr_ref_pics;
/* Default: Cur pic is ref pic*/
ps_lap_out->i4_is_ref_pic = 1;
if(1 == i4_interlace_field)
{
WORD32 i4_bottom_field = ps_lap_inp->s_input_buf.i4_bottom_field;
WORD32 first_field = (ps_lap_inp->s_input_buf.i4_topfield_first ^ i4_bottom_field);
/*If current pic is top field B picture and is present in top hierarchical layer */
/* Dereference the curr pic */
if(ps_lap_out->i4_temporal_lyr_id == max_temporal_layers)
{
if(0 == first_field)
ps_lap_out->i4_is_ref_pic = 0;
else
ps_lap_out->i4_is_ref_pic = 2;
}
}
else
{
/*If progressive B picture and is present in top hierarchical layer */
if(ps_lap_out->i4_temporal_lyr_id >= max_temporal_layers)
{
ps_lap_out->i4_temporal_lyr_id = max_temporal_layers;
ps_lap_out->i4_is_ref_pic = 0;
}
}
ref_pics_weight_offset_calc(ps_lap_out, ps_lap_struct);
/* Updating number of current reference Pictures for the Given Picture */
/* If the current frame is n-layer B frame, donot increment*/
if(ps_lap_struct->i4_curr_ref_pics < i4_max_ref_pics)
{
if(ps_lap_out->i4_is_ref_pic)
{
ps_lap_struct->i4_curr_ref_pics++;
}
}
/* Arrange the reference array in ascending order */
{
WORD32 i, j, temp;
for(i = 0; i < (ps_lap_struct->i4_curr_ref_pics - 1); i++)
{
for(j = i + 1; j < ps_lap_struct->i4_curr_ref_pics; j++)
{
if(ref_poc_array[i] > ref_poc_array[j])
{
temp = ref_poc_array[i];
ref_poc_array[i] = ref_poc_array[j];
ref_poc_array[j] = temp;
}
}
}
}
{
WORD32 ref = ps_lap_out->i4_poc;
if(ps_lap_out->i4_is_ref_pic && ref > *p_ref_poc_array)
{
*p_ref_poc_array = ref;
}
}
return;
}
/*!
************************************************************************
* \brief
* ref i/p pic population
************************************************************************
*/
void ref_pic_population(ihevce_lap_enc_buf_t *ps_lap_inp, lap_struct_t *ps_lap_struct)
{
ihevce_lap_output_params_t *ps_lap_out = &ps_lap_inp->s_lap_out;
WORD32 *ref_poc_array = ps_lap_struct->ref_poc_array;
WORD32 *p_ref_poc_array = ref_poc_array;
WORD32 i4_max_ref_pics = ps_lap_struct->s_lap_static_params.i4_max_reference_frames;
/* Update the POC position */
ps_lap_out->i4_poc = ps_lap_struct->pi4_encode_poc_ptr[0];
/* picture after CRA can't refer pic before CRA*/
if((ps_lap_out->i4_poc > ps_lap_struct->i4_cra_poc) &&
(ref_poc_array[0] <= ps_lap_struct->i4_cra_poc) && ps_lap_struct->i4_cra_i_pic_flag)
{
ref_poc_array[0] = ps_lap_struct->i4_cra_poc;
ps_lap_struct->i4_curr_ref_pics = 1;
}
/* For every IDR period, set pic type as IDR frame and reset reference POC array to 0*/
if(IV_IDR_FRAME == ps_lap_out->i4_pic_type)
{
ps_lap_struct->i4_idr_gop_num++;
ps_lap_struct->i4_curr_ref_pics = 0;
ps_lap_out->i4_num_ref_pics = 0;
ps_lap_struct->i4_cra_i_pic_flag = 1;
ps_lap_struct->i4_cra_poc = ps_lap_out->i4_poc;
memset(ps_lap_struct->ref_poc_array, 0xFF, sizeof(WORD32) * MAX_REF_PICS);
}
else if(IV_I_FRAME == ps_lap_out->i4_pic_type)
{
/* For the I-frames after CRA Frame, no pictures should be referenced */
if((1 == ps_lap_struct->i4_cra_i_pic_flag) && ps_lap_out->i4_is_cra_pic)
{
ps_lap_struct->i4_curr_ref_pics = 0;
ps_lap_out->i4_num_ref_pics = 0;
}
ps_lap_struct->i4_cra_poc = ps_lap_out->i4_poc;
ps_lap_struct->i4_cra_i_pic_flag = ps_lap_out->i4_is_cra_pic;
}
else if(IV_P_FRAME == ps_lap_out->i4_pic_type)
{
/* If the current POC is the P POC after CRA I POC */
if(1 == ps_lap_struct->i4_cra_i_pic_flag)
{
ps_lap_struct->i4_curr_ref_pics = 1;
ps_lap_struct->i4_cra_i_pic_flag = 0;
}
}
if(ps_lap_out->i4_pic_type == IV_IDR_FRAME ||
(ps_lap_out->i4_pic_type == IV_I_FRAME && ps_lap_out->i4_is_cra_pic))
{
ps_lap_struct->i4_assoc_IRAP_poc = ps_lap_out->i4_poc;
}
/*Update ps_lap_out*/
ps_lap_out->i4_idr_gop_num = ps_lap_struct->i4_idr_gop_num;
ps_lap_out->i4_is_ref_pic = 1;
ps_lap_out->i4_assoc_IRAP_poc = ps_lap_struct->i4_assoc_IRAP_poc;
/* Reference POCS */
ps_lap_out->i4_num_ref_pics = ps_lap_struct->i4_curr_ref_pics;
/* I and P frames are always mapped to layer zero*/
ps_lap_out->i4_temporal_lyr_id = 0;
ref_pics_weight_offset_calc(ps_lap_out, ps_lap_struct);
if(ps_lap_struct->i4_curr_ref_pics < i4_max_ref_pics)
{
if(ps_lap_out->i4_is_ref_pic)
{
ps_lap_struct->i4_curr_ref_pics++;
}
}
/* Arrange the reference array in ascending order */
{
WORD32 i, j, temp;
for(i = 0; i < (ps_lap_struct->i4_curr_ref_pics - 1); i++)
{
for(j = i + 1; j < (ps_lap_struct->i4_curr_ref_pics); j++)
{
if(ref_poc_array[i] > ref_poc_array[j])
{
temp = ref_poc_array[i];
ref_poc_array[i] = ref_poc_array[j];
ref_poc_array[j] = temp;
}
}
}
}
{
/* add the current pictute at the start of the reference queue */
/*For I and P pictures, all the previous frames are reference frames */
/* If the current ref POC is greater than the least POC in reference array*/
/* Then fill the reference array */
WORD32 ref = ps_lap_out->i4_poc;
if(ps_lap_out->i4_is_ref_pic && ref > *p_ref_poc_array)
{
*p_ref_poc_array = ref;
}
}
return;
}
/*!
************************************************************************
* \brief
* determine next sub-gop state
************************************************************************
*/
void ihevce_determine_next_sub_gop_state(lap_struct_t *ps_lap_struct)
{
WORD32 i4_num_b_frames = -1;
WORD32 i4_sd = ps_lap_struct->i4_sub_gop_size;
WORD32 i4_sd_idr = ps_lap_struct->i4_sub_gop_size_idr;
WORD32 i4_Midr = ps_lap_struct->i4_max_idr_period;
WORD32 i4_midr = ps_lap_struct->i4_min_idr_period;
WORD32 i4_Mcra = ps_lap_struct->i4_max_cra_period;
WORD32 i4_Mi = ps_lap_struct->i4_max_i_period;
WORD32 i4_Cd = ps_lap_struct->i4_idr_counter;
WORD32 i4_Cc = ps_lap_struct->i4_cra_counter;
WORD32 i4_Ci = ps_lap_struct->i4_i_counter;
if(i4_Midr)
ASSERT(i4_Cd < i4_Midr);
if(i4_Mcra)
ASSERT(i4_Cc < i4_Mcra);
if(i4_Mi)
ASSERT(i4_Ci < i4_Mi);
/*if all are i pictures */
if((i4_Midr == 1) || (i4_Mcra == 1) || (i4_Mi == 1))
{
ps_lap_struct->i4_num_frm_type_decided = 1;
if((i4_Midr == 1) || ((i4_Cd + i4_sd) == i4_Midr))
{
ps_lap_struct->ai1_pic_type[1] = PIC_TYPE_IDR;
ps_lap_struct->i4_idr_counter = 0;
ps_lap_struct->i4_cra_counter = 0;
ps_lap_struct->i4_i_counter = 0;
}
else if((i4_Mcra == 1) || ((i4_Cc + i4_sd) == i4_Mcra))
{
ps_lap_struct->ai1_pic_type[1] = PIC_TYPE_CRA;
ps_lap_struct->i4_idr_counter += 1;
ps_lap_struct->i4_cra_counter = 0;
ps_lap_struct->i4_i_counter = 0;
}
else
{
ps_lap_struct->ai1_pic_type[1] = PIC_TYPE_I;
ps_lap_struct->i4_idr_counter += 1;
ps_lap_struct->i4_cra_counter += 1;
ps_lap_struct->i4_i_counter = 0;
}
return;
}
if((i4_Cd + i4_sd_idr >= i4_Midr) && i4_Midr)
{
/*if idr falls already on sub-gop aligned w.r.t Midr or if strict idr use case*/
if(i4_sd_idr != i4_sd)
{
i4_num_b_frames = i4_Midr - i4_Cd - 2;
memset(&ps_lap_struct->ai1_pic_type[1], PIC_TYPE_B, i4_num_b_frames);
ps_lap_struct->ai1_pic_type[i4_num_b_frames + 1] = PIC_TYPE_P;
ps_lap_struct->ai1_pic_type[i4_num_b_frames + 2] = PIC_TYPE_IDR;
ps_lap_struct->i4_num_frm_type_decided = i4_num_b_frames + 2;
ps_lap_struct->i4_idr_counter = 0;
ps_lap_struct->i4_cra_counter = 0;
ps_lap_struct->i4_i_counter = 0;
}
else
{
i4_num_b_frames = 0;
ps_lap_struct->ai1_pic_type[1] = PIC_TYPE_IDR;
ps_lap_struct->i4_num_frm_type_decided = 1;
ps_lap_struct->i4_idr_counter = 0;
ps_lap_struct->i4_cra_counter = 0;
ps_lap_struct->i4_i_counter = 0;
}
}
/*if next sub gop is going to have CRA as Cc reaches Mcra*/
else if(((i4_Cc + i4_sd) >= i4_Mcra) && i4_Mcra)
{
if(((i4_Cc + i4_sd) == i4_Mcra) || (1 == ps_lap_struct->i4_fixed_open_gop_period))
{
i4_num_b_frames = i4_Mcra - i4_Cc - 1;
memset(&ps_lap_struct->ai1_pic_type[1], PIC_TYPE_B, i4_num_b_frames);
ps_lap_struct->ai1_pic_type[i4_num_b_frames + 1] = PIC_TYPE_CRA;
ps_lap_struct->i4_num_frm_type_decided = i4_num_b_frames + 1;
ps_lap_struct->i4_idr_counter += ps_lap_struct->i4_num_frm_type_decided;
ps_lap_struct->i4_cra_counter = 0;
ps_lap_struct->i4_i_counter = 0;
}
else
{
ps_lap_struct->ai1_pic_type[0] = PIC_TYPE_CRA;
i4_num_b_frames = i4_sd - 1;
memset(&ps_lap_struct->ai1_pic_type[1], PIC_TYPE_B, i4_num_b_frames);
ps_lap_struct->ai1_pic_type[i4_num_b_frames + 1] = PIC_TYPE_P;
ps_lap_struct->i4_num_frm_type_decided = i4_num_b_frames + 1;
ps_lap_struct->i4_idr_counter += ps_lap_struct->i4_num_frm_type_decided;
ps_lap_struct->i4_cra_counter = ps_lap_struct->i4_num_frm_type_decided;
ps_lap_struct->i4_i_counter = ps_lap_struct->i4_num_frm_type_decided;
}
}
/*if next sub gop is going to have I_slice as Ci reaches Mi*/
else if((i4_Ci + i4_sd >= i4_Mi) && i4_Mi)
{
if(((i4_Ci + i4_sd) == i4_Mi) || (1 == ps_lap_struct->i4_fixed_i_period))
{
i4_num_b_frames = i4_Mi - i4_Ci - 1;
memset(&ps_lap_struct->ai1_pic_type[1], PIC_TYPE_B, i4_num_b_frames);
ps_lap_struct->ai1_pic_type[i4_num_b_frames + 1] = PIC_TYPE_I;
ps_lap_struct->i4_num_frm_type_decided = i4_num_b_frames + 1;
ps_lap_struct->i4_idr_counter += ps_lap_struct->i4_num_frm_type_decided;
ps_lap_struct->i4_cra_counter += ps_lap_struct->i4_num_frm_type_decided;
ps_lap_struct->i4_i_counter = 0;
}
else
{
ps_lap_struct->ai1_pic_type[0] = PIC_TYPE_I;
i4_num_b_frames = i4_sd - 1;
memset(&ps_lap_struct->ai1_pic_type[1], PIC_TYPE_B, i4_num_b_frames);
ps_lap_struct->ai1_pic_type[i4_num_b_frames + 1] = PIC_TYPE_P;
ps_lap_struct->i4_num_frm_type_decided = i4_num_b_frames + 1;
ps_lap_struct->i4_idr_counter += ps_lap_struct->i4_num_frm_type_decided;
ps_lap_struct->i4_cra_counter += ps_lap_struct->i4_num_frm_type_decided;
ps_lap_struct->i4_i_counter = ps_lap_struct->i4_num_frm_type_decided;
}
}
/* if next sub-gop is not going to be idr,cra,I*/
else
{
i4_num_b_frames = i4_sd - 1;
memset(&ps_lap_struct->ai1_pic_type[1], PIC_TYPE_B, i4_num_b_frames);
ps_lap_struct->ai1_pic_type[i4_num_b_frames + 1] = PIC_TYPE_P;
ps_lap_struct->i4_num_frm_type_decided = i4_num_b_frames + 1;
ps_lap_struct->i4_idr_counter += ps_lap_struct->i4_num_frm_type_decided;
ps_lap_struct->i4_cra_counter += ps_lap_struct->i4_num_frm_type_decided;
ps_lap_struct->i4_i_counter += ps_lap_struct->i4_num_frm_type_decided;
}
ASSERT(i4_num_b_frames != -1);
return;
}
/*!
************************************************************************
* \brief
* assign pic type to input buf
************************************************************************
*/
void ihevce_assign_pic_type(lap_struct_t *ps_lap_struct, ihevce_lap_enc_buf_t *ps_lap_inp_buf)
{
WORD8 pic_type = ps_lap_struct->ai1_pic_type[ps_lap_struct->i4_next_start_ctr];
switch(pic_type)
{
case PIC_TYPE_I:
{
ps_lap_inp_buf->s_lap_out.i4_pic_type = IV_I_FRAME;
ps_lap_inp_buf->s_lap_out.i4_is_cra_pic = 0;
ps_lap_inp_buf->s_lap_out.i4_is_I_in_any_field = 1;
break;
}
case PIC_TYPE_P:
{
ps_lap_inp_buf->s_lap_out.i4_pic_type = IV_P_FRAME;
ps_lap_inp_buf->s_lap_out.i4_is_cra_pic = 0;
break;
}
case PIC_TYPE_B:
{
ps_lap_inp_buf->s_lap_out.i4_pic_type = IV_B_FRAME;
ps_lap_inp_buf->s_lap_out.i4_is_cra_pic = 0;
break;
}
case PIC_TYPE_IDR:
{
ps_lap_struct->i4_curr_poc = 0;
ps_lap_inp_buf->s_lap_out.i4_pic_type = IV_IDR_FRAME;
ps_lap_inp_buf->s_lap_out.i4_is_cra_pic = 0;
break;
}
case PIC_TYPE_CRA:
{
ps_lap_inp_buf->s_lap_out.i4_pic_type = IV_I_FRAME;
ps_lap_inp_buf->s_lap_out.i4_is_I_in_any_field = 1;
ps_lap_inp_buf->s_lap_out.i4_is_cra_pic = 1;
break;
}
default:
ASSERT(0);
}
return;
}
/*!
************************************************************************
* \brief
* capture order traversal nodes
************************************************************************
*/
void ihevce_encode_order_traversal_nodes(
ihevce_encode_node_t *encode_node_t,
ihevce_lap_enc_buf_t **encode_order,
WORD32 *loop_count,
WORD32 curr_layer,
lap_struct_t *ps_lap_struct)
{
if(encode_node_t == NULL)
return;
encode_order[*loop_count] = (ihevce_lap_enc_buf_t *)encode_node_t->ps_lap_top_buff;
if(encode_order[*loop_count] != NULL)
{
ihevce_lap_enc_buf_t *ps_lap_inp;
ps_lap_struct->pi4_encode_poc_ptr[0] = encode_node_t->data;
ref_b_pic_population(curr_layer, encode_order[*loop_count], ps_lap_struct);
ps_lap_inp = (ihevce_lap_enc_buf_t *)encode_order[*loop_count];
ihevce_rc_populate_common_params(&ps_lap_inp->s_lap_out, &ps_lap_inp->s_rc_lap_out);
ps_lap_struct->pi4_encode_poc_ptr++;
}
(*loop_count) = (*loop_count) + 1;
/* Pre-order Left-node traversal*/
ihevce_encode_order_traversal_nodes(
(ihevce_encode_node_t *)encode_node_t->pv_left_node,
encode_order,
loop_count,
curr_layer + 1,
ps_lap_struct);
/* Pre-order Right-node traversal*/
ihevce_encode_order_traversal_nodes(
(ihevce_encode_node_t *)encode_node_t->pv_right_node,
encode_order,
loop_count,
curr_layer + 1,
ps_lap_struct);
}
/*!
************************************************************************
* \brief
* capture order traversal nodes
************************************************************************
*/
void ihevce_capture_order_traversal_nodes(
ihevce_encode_node_t *encode_node_t,
ihevce_lap_enc_buf_t **api4_capture_order_array,
WORD32 *capture_order_poc_array,
WORD32 *loop_count,
WORD32 i4_interlace_field)
{
if(encode_node_t == NULL)
return;
/* Inorder Insertion for the left-child node */
ihevce_capture_order_traversal_nodes(
(ihevce_encode_node_t *)encode_node_t->pv_left_node,
api4_capture_order_array,
capture_order_poc_array,
loop_count,
i4_interlace_field);
if(i4_interlace_field)
{
encode_node_t->ps_lap_top_buff =
(ihevce_lap_enc_buf_t *)api4_capture_order_array[*loop_count];
encode_node_t->data = capture_order_poc_array[*loop_count];
encode_node_t->ps_lap_bottom_buff =
(ihevce_lap_enc_buf_t *)api4_capture_order_array[*loop_count + 1];
}
else
{
encode_node_t->ps_lap_top_buff =
(ihevce_lap_enc_buf_t *)api4_capture_order_array[*loop_count];
encode_node_t->data = capture_order_poc_array[*loop_count];
}
if(i4_interlace_field)
(*loop_count) = (*loop_count) + 2;
else
(*loop_count) = (*loop_count) + 1;
/* Inorder Insertion for the right-child node */
ihevce_capture_order_traversal_nodes(
(ihevce_encode_node_t *)encode_node_t->pv_right_node,
api4_capture_order_array,
capture_order_poc_array,
loop_count,
i4_interlace_field);
}
/*!
************************************************************************
* \brief
* I/P pic population
************************************************************************
*/
void ihevce_ip_pic_population(
ihevce_encode_node_t *ps_encode_node, lap_struct_t *ps_lap_struct, WORD32 i4_first_gop)
{
ihevce_lap_enc_buf_t *ps_lap_inp = NULL;
WORD32 hier_layer = ps_lap_struct->s_lap_static_params.i4_max_temporal_layers;
WORD32 sub_gop_size = ps_lap_struct->i4_dyn_sub_gop_size;
ihevce_lap_enc_buf_t **api4_capture_order_array = ps_lap_struct->api4_capture_order_array;
ihevce_lap_enc_buf_t **api4_encode_order_array = ps_lap_struct->api4_encode_order_array;
WORD32 *ai4_capture_order_poc = ps_lap_struct->pi4_capture_poc_ptr;
/* Populate the encode order POC dependent on IDR frames and Interlace Field*/
if(1 == ps_lap_struct->i4_idr_flag)
{
if(i4_first_gop)
{
api4_encode_order_array[0] = api4_capture_order_array[0];
if(api4_encode_order_array[0] != NULL)
{
ps_lap_struct->pi4_encode_poc_ptr[0] = ai4_capture_order_poc[0];
ref_pic_population(api4_encode_order_array[0], ps_lap_struct);
ps_lap_inp = api4_encode_order_array[0];
ihevce_rc_populate_common_params(&ps_lap_inp->s_lap_out, &ps_lap_inp->s_rc_lap_out);
ps_lap_struct->pi4_encode_poc_ptr++;
}
if(ps_lap_struct->i4_immediate_idr_case != 1)
{
api4_encode_order_array[1] = api4_capture_order_array[sub_gop_size];
if(api4_encode_order_array[1] != NULL)
{
ps_lap_struct->pi4_encode_poc_ptr[0] = ai4_capture_order_poc[sub_gop_size];
ref_pic_population(api4_encode_order_array[1], ps_lap_struct);
ps_lap_inp = api4_encode_order_array[1];
ihevce_rc_populate_common_params(
&ps_lap_inp->s_lap_out, &ps_lap_inp->s_rc_lap_out);
ps_lap_struct->pi4_encode_poc_ptr++;
}
}
}
else
{
api4_encode_order_array[0] = api4_capture_order_array[sub_gop_size - 1];
if(api4_encode_order_array[0] != NULL)
{
ps_lap_struct->pi4_encode_poc_ptr[0] = ai4_capture_order_poc[sub_gop_size - 1];
ref_pic_population(api4_encode_order_array[0], ps_lap_struct);
ps_lap_inp = api4_encode_order_array[0];
ihevce_rc_populate_common_params(&ps_lap_inp->s_lap_out, &ps_lap_inp->s_rc_lap_out);
ps_lap_struct->pi4_encode_poc_ptr++;
}
}
}
else
{
api4_encode_order_array[0] = api4_capture_order_array[sub_gop_size - 1];
if(api4_encode_order_array[0] != NULL)
{
ps_lap_struct->pi4_encode_poc_ptr[0] = ai4_capture_order_poc[sub_gop_size - 1];
ref_pic_population(api4_encode_order_array[0], ps_lap_struct);
ps_lap_inp = api4_encode_order_array[0];
ihevce_rc_populate_common_params(&ps_lap_inp->s_lap_out, &ps_lap_inp->s_rc_lap_out);
ps_lap_struct->pi4_encode_poc_ptr++;
}
}
return;
}
/*!
************************************************************************
* \brief
* B pic population
************************************************************************
*/
void ihevce_b_pic_population(ihevce_encode_node_t *ps_encode_node, lap_struct_t *ps_lap_struct)
{
WORD32 interlace_field = ps_lap_struct->s_lap_static_params.i4_src_interlace_field;
ihevce_lap_enc_buf_t **api4_encode_order_array = ps_lap_struct->api4_encode_order_array;
WORD32 *capture_order_poc_array = ps_lap_struct->pi4_capture_poc_ptr;
WORD32 loop_count = 0;
/* encoder_order offset changed dependent on IDR and Interlace Field */
if(ps_lap_struct->i4_idr_flag)
loop_count = 1 + interlace_field;
/* Inorder Insertion of POC in tree, for capture order */
ihevce_capture_order_traversal_nodes(
ps_encode_node,
&ps_lap_struct->api4_capture_order_array[0],
capture_order_poc_array,
&loop_count,
interlace_field);
/* encoder_order offset changed dependent on IDR and Interlace Field */
/* If the gop_size is multiple of CRA period , decrement loop count */
if(ps_lap_struct->i4_idr_flag)
loop_count = 2 + (interlace_field * 2);
else
loop_count = 1 + interlace_field;
/* Pre-order traversal of the tree to get encode-order POCs*/
ihevce_encode_order_traversal_nodes(
ps_encode_node, api4_encode_order_array, &loop_count, 1, ps_lap_struct);
return;
}
/*!
************************************************************************
* \brief
* rc_update_model_control_by_lap_for_modified_sub_gop
************************************************************************
*/
void rc_update_model_control_by_lap_for_modified_sub_gop(
lap_struct_t *ps_lap_struct, ihevce_lap_enc_buf_t *ps_lap_out_buf)
{
ihevce_lap_output_params_t *ps_lap_out = &ps_lap_out_buf->s_lap_out;
/* model update flag for rc*/
if(ps_lap_out->i4_pic_type == IV_P_FRAME)
{
WORD32 i4_loop = 0;
WORD32 i4_min_delta_poc = 0x7FFFFFFF;
for(i4_loop = 0; i4_loop < ps_lap_out->i4_num_ref_pics; i4_loop++)
{
if(i4_min_delta_poc > ABS(ps_lap_out->as_ref_pics[i4_loop].i4_ref_pic_delta_poc))
{
i4_min_delta_poc = ABS(ps_lap_out->as_ref_pics[i4_loop].i4_ref_pic_delta_poc);
}
}
}
if(ps_lap_out->i4_pic_type == IV_B_FRAME)
{
WORD32 i4_loop = 0;
WORD32 i4_min_delta_poc = 0x7FFFFFFF;
WORD32 i4_min_delta_poc_for_b =
(1 << ps_lap_struct->s_lap_static_params.i4_max_temporal_layers) /
(ps_lap_out->i4_temporal_lyr_id + 1);
for(i4_loop = 0; i4_loop < ps_lap_out->i4_num_ref_pics; i4_loop++)
{
if(i4_min_delta_poc > ABS(ps_lap_out->as_ref_pics[i4_loop].i4_ref_pic_delta_poc))
{
i4_min_delta_poc = ABS(ps_lap_out->as_ref_pics[i4_loop].i4_ref_pic_delta_poc);
}
}
}
return;
}
/*!
************************************************************************
* \brief
* Update num of pic type for rc
************************************************************************
*/
void update_rc_num_pic_type(lap_struct_t *ps_lap_struct, ihevce_lap_enc_buf_t *ps_lap_out_buf)
{
WORD32 i4_field_flag = ps_lap_struct->s_lap_static_params.i4_src_interlace_field;
rc_lap_out_params_t *ps_rc_lap_out = &ps_lap_out_buf->s_rc_lap_out;
ps_lap_struct->i4_lap2_counter++;
if(ps_lap_out_buf->s_lap_out.i4_pic_type == IV_I_FRAME ||
ps_lap_out_buf->s_lap_out.i4_pic_type == IV_IDR_FRAME)
{
ps_lap_struct->ai4_pic_type_to_be_removed[ps_lap_struct->i4_enq_idx] = I_PIC;
GET_IDX_CIRCULAR_BUF(ps_lap_struct->i4_enq_idx, 1, NUM_LAP2_LOOK_AHEAD);
}
else if(ps_lap_out_buf->s_lap_out.i4_pic_type == IV_P_FRAME)
{
if(ps_lap_out_buf->s_lap_out.i4_first_field)
{
ps_lap_struct->ai4_pic_type_to_be_removed[ps_lap_struct->i4_enq_idx] = P_PIC;
}
else
{
ps_lap_struct->ai4_pic_type_to_be_removed[ps_lap_struct->i4_enq_idx] = P1_PIC;
}
GET_IDX_CIRCULAR_BUF(ps_lap_struct->i4_enq_idx, 1, NUM_LAP2_LOOK_AHEAD);
}
else if(ps_lap_out_buf->s_lap_out.i4_pic_type == IV_B_FRAME)
{
if(ps_lap_out_buf->s_lap_out.i4_temporal_lyr_id == 1)
{
if(ps_lap_out_buf->s_lap_out.i4_first_field)
{
ps_lap_struct->ai4_pic_type_to_be_removed[ps_lap_struct->i4_enq_idx] = B_PIC;
}
else
{
ps_lap_struct->ai4_pic_type_to_be_removed[ps_lap_struct->i4_enq_idx] = BB_PIC;
}
GET_IDX_CIRCULAR_BUF(ps_lap_struct->i4_enq_idx, 1, NUM_LAP2_LOOK_AHEAD);
}
else if(ps_lap_out_buf->s_lap_out.i4_temporal_lyr_id == 2)
{
if(ps_lap_out_buf->s_lap_out.i4_first_field)
{
ps_lap_struct->ai4_pic_type_to_be_removed[ps_lap_struct->i4_enq_idx] = B1_PIC;
}
else
{
ps_lap_struct->ai4_pic_type_to_be_removed[ps_lap_struct->i4_enq_idx] = B11_PIC;
}
GET_IDX_CIRCULAR_BUF(ps_lap_struct->i4_enq_idx, 1, NUM_LAP2_LOOK_AHEAD);
}
else if(ps_lap_out_buf->s_lap_out.i4_temporal_lyr_id == 3)
{
if(ps_lap_out_buf->s_lap_out.i4_first_field)
{
ps_lap_struct->ai4_pic_type_to_be_removed[ps_lap_struct->i4_enq_idx] = B2_PIC;
}
else
{
ps_lap_struct->ai4_pic_type_to_be_removed[ps_lap_struct->i4_enq_idx] = B22_PIC;
}
GET_IDX_CIRCULAR_BUF(ps_lap_struct->i4_enq_idx, 1, NUM_LAP2_LOOK_AHEAD);
}
else
{
ASSERT(0);
}
}
else
{
ASSERT(0);
}
if(!ps_lap_struct->i4_rc_lap_period)
{
if(ps_lap_struct->i4_rc_lap_period < ps_lap_struct->i4_gop_period)
{
WORD32 i4_loop;
WORD32 idx = 0;
WORD32 i4_max_temporal_layer =
ps_lap_struct->s_lap_static_params.i4_max_temporal_layers;
for(i4_loop = 0;
i4_loop < (ps_lap_struct->i4_gop_period - ps_lap_struct->i4_rc_lap_period);
i4_loop++)
{
ps_rc_lap_out->i4_next_sc_i_in_rc_look_ahead++;
if(i4_max_temporal_layer == 0)
{
if(ps_lap_struct->i4_is_all_i_pic_in_seq)
{
ps_rc_lap_out->ai4_num_pic_type[I_PIC]++;
}
else
{
/*second field*/
if((i4_loop & 1) && i4_field_flag)
{
ps_rc_lap_out->ai4_num_pic_type[P1_PIC]++;
}
else
{
ps_rc_lap_out->ai4_num_pic_type[P_PIC]++;
}
}
}
else
{
ps_rc_lap_out->ai4_num_pic_type
[gau1_order_insert_pic_type[i4_max_temporal_layer - 1][idx]]++;
GET_IDX_CIRCULAR_BUF(idx, 1, (8 << i4_field_flag));
}
}
}
}
else
{
ASSERT(ps_lap_struct->i4_lap2_counter <= ps_lap_struct->i4_rc_lap_period);
if(ps_lap_struct->i4_lap2_counter == ps_lap_struct->i4_rc_lap_period)
{
WORD32 i4_loop, i4_period, i4_next_i_pic = 0;
WORD32 i4_stop_count = 0;
WORD32 i4_temp_deq = ps_lap_struct->i4_deq_idx;
WORD32 i4_first_pic_type = ps_lap_struct->ai4_pic_type_to_be_removed[i4_temp_deq];
if(ps_lap_struct->i4_rc_lap_period >= ps_lap_struct->i4_gop_period)
{
i4_period = ps_lap_struct->i4_gop_period;
}
else
{
i4_period = ps_lap_struct->i4_rc_lap_period;
}
for(i4_loop = 0; i4_loop < i4_period; i4_loop++)
{
if(ps_lap_struct->ai4_pic_type_to_be_removed[i4_temp_deq] == I_PIC && i4_loop &&
i4_first_pic_type == I_PIC)
{
i4_stop_count = 1;
}
if(!i4_stop_count)
{
ps_rc_lap_out->i4_next_sc_i_in_rc_look_ahead++;
}
ps_rc_lap_out
->ai4_num_pic_type[ps_lap_struct->ai4_pic_type_to_be_removed[i4_temp_deq]]++;
GET_IDX_CIRCULAR_BUF(i4_temp_deq, 1, NUM_LAP2_LOOK_AHEAD);
}
if(ps_lap_struct->i4_rc_lap_period < ps_lap_struct->i4_gop_period)
{
WORD32 i4_loop;
WORD32 idx = 0;
WORD32 i4_max_temporal_layer =
ps_lap_struct->s_lap_static_params.i4_max_temporal_layers;
for(i4_loop = 0;
i4_loop < (ps_lap_struct->i4_gop_period - ps_lap_struct->i4_rc_lap_period) &&
(!i4_next_i_pic);
i4_loop++)
{
if(!i4_stop_count)
{
ps_rc_lap_out->i4_next_sc_i_in_rc_look_ahead++;
}
if(i4_max_temporal_layer == 0)
{
if(ps_lap_struct->i4_is_all_i_pic_in_seq)
{
ps_rc_lap_out->ai4_num_pic_type[I_PIC]++;
}
else
{
/*second field*/
if((i4_loop & 1) && i4_field_flag)
{
ps_rc_lap_out->ai4_num_pic_type[P1_PIC]++;
}
else
{
ps_rc_lap_out->ai4_num_pic_type[P_PIC]++;
}
}
}
else
{
ps_rc_lap_out->ai4_num_pic_type
[gau1_order_insert_pic_type[i4_max_temporal_layer - 1][idx]]++;
GET_IDX_CIRCULAR_BUF(idx, 1, (8 << i4_field_flag));
}
}
}
/*remove one pic type*/
GET_IDX_CIRCULAR_BUF(ps_lap_struct->i4_deq_idx, 1, NUM_LAP2_LOOK_AHEAD);
ps_lap_struct->i4_lap2_counter--;
}
}
{
WORD32 i4_loop;
WORD32 idx = 0;
WORD32 i4_max_temporal_layer = ps_lap_struct->s_lap_static_params.i4_max_temporal_layers;
WORD32 i4_num_pictype = 0;
for(i4_loop = 0; i4_loop < MAX_PIC_TYPE; i4_loop++)
{
i4_num_pictype += ps_rc_lap_out->ai4_num_pic_type[i4_loop];
}
if(!i4_num_pictype)
{
ps_rc_lap_out->i4_next_sc_i_in_rc_look_ahead = ps_lap_struct->i4_gop_period;
for(i4_loop = 0; i4_loop < (ps_lap_struct->i4_gop_period); i4_loop++)
{
if(i4_max_temporal_layer == 0)
{
if(ps_lap_struct->i4_is_all_i_pic_in_seq)
{
ps_rc_lap_out->ai4_num_pic_type[I_PIC]++;
}
else
{
/*second field*/
if((i4_loop & 1) && i4_field_flag)
{
ps_rc_lap_out->ai4_num_pic_type[P1_PIC]++;
}
else
{
ps_rc_lap_out->ai4_num_pic_type[P_PIC]++;
}
}
}
else
{
ps_rc_lap_out->ai4_num_pic_type
[gau1_order_insert_pic_type[i4_max_temporal_layer - 1][idx]]++;
GET_IDX_CIRCULAR_BUF(idx, 1, (8 << i4_field_flag));
}
}
}
}
/*FOR RC : ensure at least 1 I pic in the gop period at any case*/
if(!ps_rc_lap_out->ai4_num_pic_type[I_PIC])
{
ASSERT(ps_rc_lap_out->ai4_num_pic_type[P_PIC]);
ps_lap_out_buf->s_rc_lap_out.ai4_num_pic_type[P_PIC]--;
ps_lap_out_buf->s_rc_lap_out.ai4_num_pic_type[I_PIC]++;
}
return;
}
/*!
************************************************************************
* \brief
* pre rel lap output update
************************************************************************
*/
void ihevce_pre_rel_lapout_update(lap_struct_t *ps_lap_struct, ihevce_lap_enc_buf_t *ps_lap_out_buf)
{
WORD32 i4_first_field = 1;
WORD32 i4_field = ps_lap_struct->s_lap_static_params.i4_src_interlace_field;
if(i4_field)
{
i4_first_field = ps_lap_out_buf->s_lap_out.i4_first_field;
}
ps_lap_out_buf->s_lap_out.i4_used = 0;
rc_update_model_control_by_lap_for_modified_sub_gop(ps_lap_struct, ps_lap_out_buf);
update_rc_num_pic_type(ps_lap_struct, ps_lap_out_buf);
/* curr buf next is null, prev buf next is curr and prev buff equal to curr*/
ps_lap_out_buf->s_rc_lap_out.ps_rc_lap_out_next_encode = NULL;
if(ps_lap_struct->pv_prev_inp_buf != NULL &&
ps_lap_struct->s_lap_static_params.s_lap_params.i4_rc_look_ahead_pics)
{
((ihevce_lap_enc_buf_t *)ps_lap_struct->pv_prev_inp_buf)
->s_rc_lap_out.ps_rc_lap_out_next_encode = (void *)&ps_lap_out_buf->s_rc_lap_out;
}
ps_lap_struct->pv_prev_inp_buf = (void *)ps_lap_out_buf;
ps_lap_out_buf->s_lap_out.i4_is_prev_pic_in_Tid0_same_scene = 0;
/*with force idr below check is not valid*/
#if(!FORCE_IDR_TEST)
if(ps_lap_struct->i4_max_idr_period == ps_lap_struct->i4_min_idr_period)
{
if(!ps_lap_out_buf->s_lap_out.i4_poc)
{
ASSERT(ps_lap_struct->i4_max_prev_poc == (ps_lap_struct->i4_max_idr_period - 1));
ps_lap_struct->i4_max_prev_poc = 0;
}
}
#endif
/*assert if num of reference frame is zero in case of P or B frame*/
if(ps_lap_out_buf->s_lap_out.i4_pic_type == IV_P_FRAME ||
ps_lap_out_buf->s_lap_out.i4_pic_type == IV_B_FRAME)
{
ASSERT(ps_lap_out_buf->s_lap_out.i4_num_ref_pics != 0);
}
/*assert if poc = 0 and pictype is not an idr*/
if(ps_lap_out_buf->s_lap_out.i4_pic_type != IV_IDR_FRAME &&
ps_lap_out_buf->s_lap_out.i4_poc == 0)
{
ASSERT(0);
}
if(ps_lap_out_buf->s_lap_out.i4_pic_type == IV_IDR_FRAME &&
ps_lap_out_buf->s_lap_out.i4_poc != 0)
{
ASSERT(0);
}
if(ps_lap_out_buf->s_lap_out.i4_poc < 0)
{
ASSERT(0);
}
#if(!FORCE_IDR_TEST)
if((!ps_lap_struct->i4_max_idr_period) && ps_lap_out_buf->s_lap_out.i4_display_num != 0)
{
ASSERT(ps_lap_out_buf->s_lap_out.i4_pic_type != IV_IDR_FRAME);
}
#endif
if(!ps_lap_struct->i4_max_cra_period)
{
ASSERT(ps_lap_out_buf->s_lap_out.i4_is_cra_pic != 1);
}
if(ps_lap_out_buf->s_lap_out.i4_force_idr_flag)
{
ASSERT(ps_lap_out_buf->s_lap_out.i4_pic_type == IV_IDR_FRAME);
}
ps_lap_out_buf->s_lap_out.i4_curr_frm_qp = -1;
}
/*!
************************************************************************
* \brief
* lap queue input
************************************************************************
*/
void ihevce_lap_queue_input(
lap_struct_t *ps_lap_struct, ihevce_lap_enc_buf_t *ps_input_lap_enc_buf, WORD32 *pi4_tree_num)
{
ihevce_encode_node_t *ps_encode_node =
(ihevce_encode_node_t *)ps_lap_struct->aps_encode_node[*pi4_tree_num];
WORD32 i4_capture_idx = ps_lap_struct->i4_capture_idx;
/* Static Lap parameters */
ihevce_lap_static_params_t *ps_lap_static_params =
(ihevce_lap_static_params_t *)&ps_lap_struct->s_lap_static_params;
WORD32 hier_layer = ps_lap_static_params->i4_max_temporal_layers;
WORD32 sub_gop_size = ps_lap_struct->i4_dyn_sub_gop_size;
/* queue the current input in capture array */
{
WORD32 first_gop_flag;
if(!i4_capture_idx)
{
memset(
&ps_lap_struct->api4_capture_order_array[0],
0,
sizeof(ihevce_lap_enc_buf_t *) * MAX_NUM_ENC_NODES);
}
ps_lap_struct->api4_capture_order_array[i4_capture_idx] = ps_input_lap_enc_buf;
if(ps_input_lap_enc_buf != NULL)
{
if(ps_input_lap_enc_buf->s_lap_out.i4_end_flag == 1)
ps_lap_struct->i4_end_flag_pic_idx = i4_capture_idx;
ps_lap_struct->ai4_capture_order_poc[i4_capture_idx] = ps_lap_struct->i4_curr_poc++;
}
i4_capture_idx++;
/* to take care of buffering 1 extra picture at start or at IDR interval*/
if(!ps_lap_struct->i4_is_all_i_pic_in_seq)
{
if(ps_lap_static_params->i4_src_interlace_field && sub_gop_size <= 2)
{
first_gop_flag = 0;
}
else
{
first_gop_flag = ps_lap_struct->i4_idr_flag
<< ps_lap_static_params->i4_src_interlace_field;
}
}
else
{
first_gop_flag = ps_lap_struct->i4_idr_flag;
}
/* For every IDR period, set idr_flag and reset POC value and gop_size to 0*/
if(ps_input_lap_enc_buf != NULL)
{
if((!first_gop_flag) && (ps_input_lap_enc_buf->s_lap_out.i4_pic_type == IV_IDR_FRAME))
{
ps_lap_struct->pi4_encode_poc_ptr = &ps_lap_struct->ai4_encode_order_poc[0];
ps_lap_struct->i4_idr_flag = 1;
ps_lap_struct->i4_curr_poc = 0;
ps_lap_struct->ai4_capture_order_poc[i4_capture_idx - 1] =
ps_lap_struct->i4_curr_poc++;
}
}
if(first_gop_flag &&
(ps_lap_struct->i4_is_all_i_pic_in_seq || ps_lap_struct->i4_immediate_idr_case))
{
sub_gop_size = 0;
}
if(!first_gop_flag && ps_lap_struct->i4_immediate_idr_case &&
(i4_capture_idx != (sub_gop_size + first_gop_flag)))
{
sub_gop_size = 1 << ps_lap_static_params->i4_src_interlace_field;
ps_lap_struct->i4_dyn_sub_gop_size = 1 << ps_lap_static_params->i4_src_interlace_field;
}
/* reset the queue idx end of every gop */
if(i4_capture_idx == (sub_gop_size + first_gop_flag))
{
if(ps_lap_struct->i4_end_flag_pic_idx)
{
WORD32 i4_temp_poc = 0;
ihevce_lap_enc_buf_t *ps_temp_lap_enc_buf = NULL;
/*swap the lap enc buf and poc*/
ps_temp_lap_enc_buf =
ps_lap_struct->api4_capture_order_array[ps_lap_struct->i4_end_flag_pic_idx - 1];
ps_lap_struct->api4_capture_order_array[ps_lap_struct->i4_end_flag_pic_idx - 1] =
NULL;
ps_lap_struct->api4_capture_order_array[i4_capture_idx - 2] =
ps_lap_struct->api4_capture_order_array[ps_lap_struct->i4_end_flag_pic_idx];
if((i4_capture_idx - 2) != ps_lap_struct->i4_end_flag_pic_idx)
ps_lap_struct->api4_capture_order_array[ps_lap_struct->i4_end_flag_pic_idx] =
NULL;
ps_temp_lap_enc_buf->s_lap_out.i4_pic_type = IV_P_FRAME;
ps_lap_struct->api4_capture_order_array[i4_capture_idx - 1] = ps_temp_lap_enc_buf;
i4_temp_poc =
ps_lap_struct->ai4_capture_order_poc[ps_lap_struct->i4_end_flag_pic_idx - 1];
ps_lap_struct->ai4_capture_order_poc[i4_capture_idx - 2] =
ps_lap_struct->ai4_capture_order_poc[ps_lap_struct->i4_end_flag_pic_idx];
ps_lap_struct->ai4_capture_order_poc[i4_capture_idx - 1] = i4_temp_poc;
}
i4_capture_idx = 0;
/* add the number of pics in sub gop to the gop counter */
/* Get reordered Buffer for encoder, wait till all sub-gop buffers are output */
/* Popluate I/P pictures */
ihevce_ip_pic_population(ps_encode_node, ps_lap_struct, first_gop_flag);
/* For hierarchical layers, Populate B picture */
if((hier_layer > 0) &&
sub_gop_size > (1 << ps_lap_static_params->i4_src_interlace_field))
{
ihevce_b_pic_population(ps_encode_node, ps_lap_struct);
}
ps_lap_struct->i4_num_bufs_encode_order = sub_gop_size + first_gop_flag;
/* correction of encode order in case of multiple non reference B*/
if(ps_lap_struct->i4_dyn_sub_gop_size > ps_lap_struct->i4_sub_gop_size)
{
WORD32 i4_loop;
ihevce_lap_enc_buf_t *ps_lap_enc_buf, *ps_lap_enc_buf_tmp[MAX_NUM_ENC_NODES];
WORD32 i4_enc_cnt, i4_cap_cnt;
i4_cap_cnt = first_gop_flag;
i4_enc_cnt = 0;
for(i4_loop = 0; i4_loop < ps_lap_struct->i4_num_bufs_encode_order; i4_loop++)
{
ps_lap_enc_buf = ps_lap_struct->api4_encode_order_array[i4_loop];
if(ps_lap_enc_buf != NULL && !ps_lap_enc_buf->s_lap_out.i4_is_ref_pic &&
(ps_lap_enc_buf->s_lap_out.i4_temporal_lyr_id ==
ps_lap_struct->s_lap_static_params.i4_max_temporal_layers))
{
if(ps_lap_enc_buf != ps_lap_struct->api4_capture_order_array[i4_cap_cnt])
{
ps_lap_enc_buf_tmp[i4_enc_cnt] =
ps_lap_struct->api4_capture_order_array[i4_cap_cnt];
i4_enc_cnt++;
i4_loop++;
}
i4_cap_cnt += 2;
ps_lap_enc_buf_tmp[i4_enc_cnt] = ps_lap_enc_buf;
i4_enc_cnt++;
ps_lap_enc_buf_tmp[i4_enc_cnt] =
ps_lap_struct->api4_capture_order_array[i4_cap_cnt];
i4_enc_cnt++;
i4_cap_cnt += 2;
i4_loop++;
}
else
{
ps_lap_enc_buf_tmp[i4_enc_cnt] = ps_lap_enc_buf;
i4_enc_cnt++;
}
}
for(i4_loop = 0; i4_loop < ps_lap_struct->i4_num_bufs_encode_order; i4_loop++)
{
ps_lap_struct->api4_encode_order_array[i4_loop] = ps_lap_enc_buf_tmp[i4_loop];
}
}
/* reset the IDR flag */
ps_lap_struct->i4_idr_flag = 0;
ps_lap_struct->i4_dyn_sub_gop_size = ps_lap_struct->i4_sub_gop_size;
}
if(0 == ps_lap_struct->i4_lap_out_idx)
ps_lap_struct->i4_max_buf_in_enc_order = ps_lap_struct->i4_num_bufs_encode_order;
/* store the capture index */
ps_lap_struct->i4_capture_idx = i4_capture_idx;
ps_lap_struct->i4_immediate_idr_case = 0;
}
return;
}
/*!
************************************************************************
* \brief
* lap process
************************************************************************
*/
ihevce_lap_enc_buf_t *ihevce_lap_process(void *pv_interface_ctxt, ihevce_lap_enc_buf_t *ps_curr_inp)
{
lap_intface_t *ps_lap_interface = (lap_intface_t *)pv_interface_ctxt;
lap_struct_t *ps_lap_struct = (lap_struct_t *)ps_lap_interface->pv_lap_module_ctxt;
ihevce_hle_ctxt_t *ps_hle_ctxt = (ihevce_hle_ctxt_t *)ps_lap_interface->pv_hle_ctxt;
ihevce_lap_enc_buf_t *ps_lap_inp_buf = ps_curr_inp;
ihevce_tgt_params_t *ps_tgt_params =
&ps_lap_struct->s_static_cfg_params.s_tgt_lyr_prms.as_tgt_params[0];
WORD32 i4_field_flag = ps_lap_struct->s_lap_static_params.i4_src_interlace_field;
WORD32 i4_num_frames_after_force_idr = ps_lap_struct->i4_num_frames_after_force_idr;
WORD32 i4_flush_check = 0;
WORD32 i4_force_idr_check = 0;
WORD32 i4_set_res_check = 0;
WORD32 i4_tree_num = 0;
iv_input_ctrl_buffs_t *ps_ctrl_buf = NULL;
WORD32 buf_id = 0;
ps_lap_interface->i4_ctrl_in_que_blocking_mode = BUFF_QUE_NON_BLOCKING_MODE;
/* ----------- LAP processing ----------- */
if(ps_lap_struct->end_flag != 1)
{
ASSERT(NULL != ps_curr_inp);
/* ---------- get the filled control command buffer ------------ */
ps_ctrl_buf = (iv_input_ctrl_buffs_t *)ihevce_q_get_filled_buff(
ps_hle_ctxt->apv_enc_hdl[0],
ps_lap_interface->i4_ctrl_in_que_id,
&buf_id,
ps_lap_interface->i4_ctrl_in_que_blocking_mode);
/* ----------- check the command ---------------------- */
if(NULL != ps_ctrl_buf)
{
/* check for async errors */
ihevce_dyn_config_prms_t as_dyn_br[MAX_NUM_DYN_BITRATE_CMDS];
WORD32 i4_num_set_bitrate_cmds = 0;
WORD32 bitrt_ctr = 0;
ihevce_lap_parse_async_cmd(
ps_hle_ctxt,
(WORD32 *)ps_ctrl_buf->pv_asynch_ctrl_bufs,
ps_ctrl_buf->i4_cmd_buf_size,
ps_ctrl_buf->i4_buf_id,
&i4_num_set_bitrate_cmds,
&as_dyn_br[0]);
/* Call the call back function to register the new bitrate */
for(bitrt_ctr = 0; bitrt_ctr < i4_num_set_bitrate_cmds; bitrt_ctr++)
{
ps_lap_interface->ihevce_dyn_bitrate_cb(
(void *)ps_hle_ctxt, (void *)&as_dyn_br[bitrt_ctr]);
}
}
{
WORD32 *pi4_cmd_buf = (WORD32 *)ps_lap_inp_buf->s_input_buf.pv_synch_ctrl_bufs;
/* check for sync cmd buffer error */
/* check FLUSH comand and Force IDR in the complete buffer */
i4_flush_check = 0;
i4_force_idr_check = 0;
i4_set_res_check = 0;
ihevce_lap_parse_sync_cmd(
ps_hle_ctxt,
&ps_lap_struct->s_static_cfg_params,
pi4_cmd_buf,
ps_lap_inp_buf,
&i4_flush_check,
&i4_force_idr_check,
&i4_set_res_check,
&i4_num_frames_after_force_idr);
if(i4_flush_check)
ps_lap_struct->end_flag = 1;
ps_lap_inp_buf->s_lap_out.i4_out_flush_flag = 0;
ps_lap_inp_buf->s_lap_out.i4_end_flag = ps_lap_struct->end_flag;
/* check if input buffer is a valid buffer */
if(1 == ps_lap_inp_buf->s_input_buf.i4_inp_frm_data_valid_flag)
{
/* Initialise laps input buffer descriptors */
memset(&ps_lap_inp_buf->s_lap_out, 0, sizeof(ihevce_lap_output_params_t));
memset(&ps_lap_inp_buf->s_rc_lap_out, 0, sizeof(rc_lap_out_params_t));
/* Default initialization of lapout parameters */
ps_lap_inp_buf->s_lap_out.i4_scene_type = SCENE_TYPE_NORMAL;
ps_lap_inp_buf->s_lap_out.u4_scene_num = 0;
ps_lap_inp_buf->s_lap_out.i4_display_num = ps_lap_struct->i4_display_num;
ps_lap_inp_buf->s_lap_out.i4_quality_preset = ps_tgt_params->i4_quality_preset;
ps_lap_inp_buf->s_lap_out.i1_weighted_pred_flag = 0;
ps_lap_inp_buf->s_lap_out.i1_weighted_bipred_flag = 0;
ps_lap_inp_buf->s_lap_out.i4_log2_luma_wght_denom = DENOM_DEFAULT;
ps_lap_inp_buf->s_lap_out.i4_log2_chroma_wght_denom = DENOM_DEFAULT;
ps_lap_inp_buf->s_lap_out.as_ref_pics[0].i4_num_duplicate_entries_in_ref_list = 1;
ps_lap_inp_buf->s_lap_out.as_ref_pics[0].i4_used_by_cur_pic_flag = 1;
ps_lap_inp_buf->s_lap_out.as_ref_pics[0].as_wght_off[0].u1_luma_weight_enable_flag =
0;
ps_lap_inp_buf->s_lap_out.as_ref_pics[0]
.as_wght_off[0]
.u1_chroma_weight_enable_flag = 0;
ps_lap_inp_buf->s_lap_out.i4_first_field = 1;
ps_lap_inp_buf->s_lap_out.i4_force_idr_flag = 0;
ps_lap_inp_buf->s_lap_out.i4_curr_frm_qp = ps_tgt_params->ai4_frame_qp[0];
ps_lap_inp_buf->s_lap_out.i4_used = 1;
if(i4_force_idr_check)
{
ps_lap_inp_buf->s_lap_out.i4_force_idr_flag = 1;
}
ASSERT(i4_set_res_check == 0);
/* Populate input params in lap out struct */
ps_lap_inp_buf->s_lap_out.s_input_buf.pv_y_buf =
ps_lap_inp_buf->s_input_buf.s_input_buf.pv_y_buf;
ps_lap_inp_buf->s_lap_out.s_input_buf.pv_u_buf =
ps_lap_inp_buf->s_input_buf.s_input_buf.pv_u_buf;
ps_lap_inp_buf->s_lap_out.s_input_buf.pv_v_buf =
ps_lap_inp_buf->s_input_buf.s_input_buf.pv_v_buf;
ps_lap_inp_buf->s_lap_out.s_input_buf.i4_y_wd =
ps_lap_inp_buf->s_input_buf.s_input_buf.i4_y_wd;
ps_lap_inp_buf->s_lap_out.s_input_buf.i4_y_ht =
ps_lap_inp_buf->s_input_buf.s_input_buf.i4_y_ht;
ps_lap_inp_buf->s_lap_out.s_input_buf.i4_y_strd =
ps_lap_inp_buf->s_input_buf.s_input_buf.i4_y_strd;
ps_lap_inp_buf->s_lap_out.s_input_buf.i4_uv_wd =
ps_lap_inp_buf->s_input_buf.s_input_buf.i4_uv_wd;
ps_lap_inp_buf->s_lap_out.s_input_buf.i4_uv_ht =
ps_lap_inp_buf->s_input_buf.s_input_buf.i4_uv_ht;
ps_lap_inp_buf->s_lap_out.s_input_buf.i4_uv_strd =
ps_lap_inp_buf->s_input_buf.s_input_buf.i4_uv_strd;
ps_lap_struct->i4_display_num++;
i4_num_frames_after_force_idr++;
ps_lap_struct->aps_lap_inp_buf[ps_lap_struct->i4_buf_enq_idx] = ps_lap_inp_buf;
/* update first field flag */
ps_lap_inp_buf->s_lap_out.i4_first_field = 1;
if(i4_field_flag)
{
ps_lap_inp_buf->s_lap_out.i4_first_field =
(ps_lap_inp_buf->s_input_buf.i4_topfield_first ^
ps_lap_inp_buf->s_input_buf.i4_bottom_field);
}
/* force idr in case interlace input can be taken only for first field */
if(!ps_lap_inp_buf->s_lap_out.i4_first_field)
{
ps_lap_inp_buf->s_lap_out.i4_force_idr_flag = 0;
}
/*to be filed*/
if(0 ==
ps_lap_struct->i4_num_frm_type_decided /*&& ps_lap_struct->i4_init_delay_over*/)
{
ps_lap_struct->ai1_pic_type[0] =
ps_lap_struct->ai1_pic_type[ps_lap_struct->i4_next_start_ctr];
ihevce_determine_next_sub_gop_state(ps_lap_struct);
ps_lap_struct->i4_next_start_ctr = 0;
}
if(/*ps_lap_struct->i4_init_delay_over &&*/ 0 !=
ps_lap_struct->i4_num_frm_type_decided)
{
ihevce_assign_pic_type(
ps_lap_struct,
ps_lap_struct->aps_lap_inp_buf[ps_lap_struct->i4_buf_deq_idx]);
ps_lap_struct->i4_num_frm_type_decided--;
if(NULL != ps_lap_struct->aps_lap_inp_buf[ps_lap_struct->i4_buf_deq_idx])
{
/*special case of two consequetive idr at the start of encode or due to force idr*/
ps_lap_struct->i4_immediate_idr_case =
ps_lap_struct->i4_is_all_i_pic_in_seq;
if(ps_lap_struct->aps_lap_inp_buf[ps_lap_struct->i4_buf_deq_idx]
->s_lap_out.i4_pic_type == IV_IDR_FRAME)
{
ps_lap_struct->i4_immediate_idr_case = 1;
}
else
{
WORD32 i4_prev_idx = ps_lap_struct->i4_buf_deq_idx > 0
? ps_lap_struct->i4_buf_deq_idx - 1
: ps_lap_struct->i4_buf_deq_idx;
/*field case of single IDR field followed by P*/
if(NULL != ps_lap_struct->aps_lap_inp_buf[i4_prev_idx] &&
i4_field_flag &&
ps_lap_struct->aps_lap_inp_buf[i4_prev_idx]->s_lap_out.i4_pic_type ==
IV_IDR_FRAME &&
!ps_lap_struct->i4_num_frm_type_decided)
{
ps_lap_struct->i4_immediate_idr_case = 1;
}
}
}
/* Queue in the current input Buffer to LAP que */
ihevce_lap_queue_input(
ps_lap_struct,
ps_lap_struct->aps_lap_inp_buf[ps_lap_struct->i4_buf_deq_idx],
&i4_tree_num);
ps_lap_struct->i4_next_start_ctr++;
ps_lap_struct->i4_buf_deq_idx++;
if(ps_lap_struct->i4_buf_deq_idx >= MAX_QUEUE_LENGTH)
ps_lap_struct->i4_buf_deq_idx = 0;
}
ps_lap_struct->i4_buf_enq_idx++;
if(ps_lap_struct->i4_buf_enq_idx >= MAX_QUEUE_LENGTH)
ps_lap_struct->i4_buf_enq_idx = 0;
} /* end if for valid input buffer check*/
}
/* source pixel padding if width/height is not aligned to 8 pixel */
if(ps_lap_inp_buf->s_input_buf.i4_inp_frm_data_valid_flag)
{
ihevce_src_params_t *ps_src_prms = &ps_lap_struct->s_static_cfg_params.s_src_prms;
WORD32 i4_align_wd = ps_src_prms->i4_width;
WORD32 i4_align_ht = ps_src_prms->i4_height;
WORD32 min_cu_size =
(1 << ps_lap_struct->s_static_cfg_params.s_config_prms.i4_min_log2_cu_size);
i4_align_wd += SET_CTB_ALIGN(ps_src_prms->i4_width, min_cu_size);
i4_align_ht += SET_CTB_ALIGN(ps_src_prms->i4_height, min_cu_size);
ihevce_lap_pad_input_bufs(ps_lap_inp_buf, i4_align_wd, i4_align_ht);
}
{
ps_lap_inp_buf->s_lap_out.s_logo_ctxt.logo_width = 0;
ps_lap_inp_buf->s_lap_out.s_logo_ctxt.logo_height = 0;
ps_lap_inp_buf->s_lap_out.s_logo_ctxt.logo_x_offset = 0;
ps_lap_inp_buf->s_lap_out.s_logo_ctxt.logo_y_offset = 0;
}
}
if(ps_lap_struct->end_flag == 1)
{
ps_lap_struct->aps_lap_inp_buf[ps_lap_struct->i4_buf_enq_idx] = ps_lap_inp_buf;
/*to be filed*/
if(0 == ps_lap_struct->i4_num_frm_type_decided)
{
ps_lap_struct->ai1_pic_type[0] =
ps_lap_struct->ai1_pic_type[ps_lap_struct->i4_next_start_ctr];
ihevce_determine_next_sub_gop_state(ps_lap_struct);
ps_lap_struct->i4_next_start_ctr = 0;
}
if(NULL != ps_lap_struct->aps_lap_inp_buf[ps_lap_struct->i4_buf_deq_idx])
{
ihevce_assign_pic_type(
ps_lap_struct, ps_lap_struct->aps_lap_inp_buf[ps_lap_struct->i4_buf_deq_idx]);
}
ps_lap_struct->i4_num_frm_type_decided--;
if(NULL != ps_lap_struct->aps_lap_inp_buf[ps_lap_struct->i4_buf_deq_idx])
{
/*special case of two consequetive idr at the start of encode or due to force idr*/
ps_lap_struct->i4_immediate_idr_case = ps_lap_struct->i4_is_all_i_pic_in_seq;
if(ps_lap_struct->aps_lap_inp_buf[ps_lap_struct->i4_buf_deq_idx]
->s_lap_out.i4_pic_type == IV_IDR_FRAME)
{
ps_lap_struct->i4_immediate_idr_case = 1;
}
else
{
WORD32 i4_prev_idx = ps_lap_struct->i4_buf_deq_idx > 0
? ps_lap_struct->i4_buf_deq_idx - 1
: ps_lap_struct->i4_buf_deq_idx;
/*field case of single IDR field followed by P*/
if(NULL != ps_lap_struct->aps_lap_inp_buf[i4_prev_idx] && i4_field_flag &&
ps_lap_struct->aps_lap_inp_buf[i4_prev_idx]->s_lap_out.i4_pic_type ==
IV_IDR_FRAME &&
!ps_lap_struct->i4_num_frm_type_decided)
{
ps_lap_struct->i4_immediate_idr_case = 1;
}
}
}
/* Queue in the current input Buffer to LAP que */
ihevce_lap_queue_input(
ps_lap_struct,
ps_lap_struct->aps_lap_inp_buf[ps_lap_struct->i4_buf_deq_idx],
&i4_tree_num);
ps_lap_struct->i4_next_start_ctr++;
ps_lap_struct->i4_buf_deq_idx++;
if(ps_lap_struct->i4_buf_deq_idx >= MAX_QUEUE_LENGTH)
ps_lap_struct->i4_buf_deq_idx = 0;
ps_lap_struct->i4_buf_enq_idx++;
if(ps_lap_struct->i4_buf_enq_idx >= MAX_QUEUE_LENGTH)
ps_lap_struct->i4_buf_enq_idx = 0;
}
ps_lap_struct->i4_num_frames_after_force_idr = i4_num_frames_after_force_idr;
if(1 == ps_lap_struct->i4_force_end_flag)
{
ihevce_force_end(ps_hle_ctxt);
}
/*return encode order pic to pre enc*/
ps_lap_inp_buf = NULL;
if(NULL != ps_lap_struct->api4_encode_order_array[ps_lap_struct->i4_lap_out_idx])
{
ps_lap_inp_buf = ps_lap_struct->api4_encode_order_array[ps_lap_struct->i4_lap_out_idx];
ps_lap_struct->api4_encode_order_array[ps_lap_struct->i4_lap_out_idx] = NULL;
if(!ps_lap_inp_buf->s_lap_out.i4_end_flag)
ihevce_pre_rel_lapout_update(ps_lap_struct, ps_lap_inp_buf);
}
ps_lap_struct->i4_lap_out_idx++;
if(ps_lap_struct->i4_lap_out_idx == ps_lap_struct->i4_max_buf_in_enc_order)
{
ps_lap_struct->i4_lap_out_idx = 0;
ps_lap_struct->pi4_encode_poc_ptr = &ps_lap_struct->ai4_encode_order_poc[0];
}
return (ps_lap_inp_buf);
}
/*!
************************************************************************
* \brief
* lap get input buffer requirement count
************************************************************************
*/
WORD32 ihevce_lap_get_num_ip_bufs(ihevce_lap_static_params_t *ps_lap_stat_prms)
{
WORD32 i4_lap_window_size = 1;
WORD32 gop_delay = 1 << ps_lap_stat_prms->i4_max_temporal_layers;
if(ps_lap_stat_prms->s_lap_params.i4_rc_look_ahead_pics != 0)
{
i4_lap_window_size = 1 + ps_lap_stat_prms->s_lap_params.i4_rc_look_ahead_pics;
}
gop_delay += (i4_lap_window_size);
return gop_delay;
}