/******************************************************************************
*
* 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
*/
#include <string.h>
#include <stdlib.h>
#include "impd_type_def.h"
#include "impd_error_standards.h"
#include "impd_apicmd_standards.h"
#include "impd_memory_standards.h"
#include "impd_drc_bitbuffer.h"
#include "impd_drc_extr_delta_coded_info.h"
#include "impd_drc_common.h"
#include "impd_drc_struct.h"
#include "impd_drc_interface.h"
#include "impd_parametric_drc_dec.h"
#include "impd_drc_gain_dec.h"
#include "impd_drc_filter_bank.h"
#include "impd_drc_multi_band.h"
#include "impd_drc_process_audio.h"
#include "impd_drc_eq.h"
#include "impd_drc_gain_decoder.h"
#include "impd_drc_config_params.h"
#include "impd_drc_api_defs.h"
#include "impd_drc_definitions.h"
#include "impd_drc_hashdefines.h"
#include "impd_drc_peak_limiter.h"
#include "impd_drc_selection_process.h"
#include "impd_drc_api_struct_def.h"
#include "impd_drc_error_codes.h"
WORD32 impd_init_process_audio_main_qmf(ia_drc_api_struct *p_obj_drc);
WORD32 impd_init_process_audio_main_stft(ia_drc_api_struct *p_obj_drc);
WORD32 impd_init_process_audio_main_td_qmf(ia_drc_api_struct *p_obj_drc);
IA_ERRORCODE impd_drc_mem_api(ia_drc_api_struct *p_obj_drc, WORD32 i_cmd,
WORD32 i_idx, pVOID pv_value);
IA_ERRORCODE impd_drc_fill_mem_tables(ia_drc_api_struct *p_obj_drc);
VOID impd_drc_set_default_config_params(ia_drc_config_struct *ptr_config);
IA_ERRORCODE impd_drc_process_frame(ia_drc_api_struct *p_obj_drc);
IA_ERRORCODE impd_drc_init(ia_drc_api_struct *p_obj_drc);
IA_ERRORCODE impd_drc_set_default_config(ia_drc_api_struct *p_obj_drc);
IA_ERRORCODE impd_drc_set_struct_pointer(ia_drc_api_struct *p_obj_drc);
IA_ERRORCODE impd_process_time_domain(ia_drc_api_struct *p_obj_drc);
#define NUM_DRC_TABLES 4
#define SCRATCH_MEM_SIZE 1024 * 256 * 64
IA_ERRORCODE ia_drc_dec_api(pVOID p_ia_drc_dec_obj, WORD32 i_cmd, WORD32 i_idx,
pVOID pv_value) {
ia_drc_api_struct *p_obj_drc = p_ia_drc_dec_obj;
IA_ERRORCODE error_code = IA_NO_ERROR;
LOOPIDX i;
pUWORD32 pui_value = pv_value;
pUWORD32 pus_value = pv_value;
pWORD8 pb_value = pv_value;
SIZE_T *ps_value = pv_value;
switch (i_cmd) {
case IA_API_CMD_GET_MEM_INFO_SIZE:
case IA_API_CMD_GET_MEM_INFO_ALIGNMENT:
case IA_API_CMD_GET_MEM_INFO_TYPE:
case IA_API_CMD_GET_MEM_INFO_PLACEMENT:
case IA_API_CMD_GET_MEM_INFO_PRIORITY:
case IA_API_CMD_SET_MEM_PTR:
case IA_API_CMD_SET_MEM_PLACEMENT: {
return impd_drc_mem_api(p_ia_drc_dec_obj, i_cmd, i_idx, pv_value);
}
};
switch (i_cmd) {
case IA_API_CMD_GET_LIB_ID_STRINGS: {
switch (i_idx) {
case IA_CMD_TYPE_LIB_NAME: {
WORD8 lib_name[] = LIBNAME;
for (i = 0; i < IA_API_STR_LEN && lib_name[i - 1] != 0; i++) {
pb_value[i] = lib_name[i];
}
break;
}
case IA_CMD_TYPE_LIB_VERSION: {
break;
}
case IA_CMD_TYPE_API_VERSION: {
}
default: { return -1; }
};
break;
}
case IA_API_CMD_GET_API_SIZE: {
*pui_value = sizeof(ia_drc_api_struct) +
(sizeof(ia_drc_state_struct) + 8) + 8080 * 1024;
break;
}
case IA_API_CMD_INIT: {
switch (i_idx) {
case IA_CMD_TYPE_INIT_SET_BUFF_PTR: {
p_obj_drc->p_state->persistant_ptr =
p_obj_drc->pp_mem[IA_DRC_PERSIST_IDX];
impd_drc_set_struct_pointer(p_obj_drc);
break;
}
case IA_CMD_TYPE_INIT_API_PRE_CONFIG_PARAMS: {
impd_drc_set_default_config(p_obj_drc);
break;
}
case IA_CMD_TYPE_INIT_API_POST_CONFIG_PARAMS: {
p_obj_drc->p_state =
(ia_drc_state_struct *)((SIZE_T)p_obj_drc + 8000 * 1024);
p_obj_drc->p_mem_info =
(ia_mem_info_struct *)((SIZE_T)p_obj_drc + 8002 * 1024);
p_obj_drc->pp_mem = (pVOID)((SIZE_T)p_obj_drc + 8006 * 1024);
impd_drc_fill_mem_tables(p_obj_drc);
break;
}
case IA_CMD_TYPE_INIT_PROCESS: {
IA_ERRORCODE Error = 0;
if (p_obj_drc->pp_mem[IA_DRC_PERSIST_IDX] == 0) {
return (-1);
}
Error = impd_drc_init(p_obj_drc);
if (Error) return Error;
p_obj_drc->p_state->ui_init_done = 1;
return Error;
break;
}
case IA_CMD_TYPE_INIT_DONE_QUERY: {
if (p_obj_drc->p_state->ui_init_done == 1) {
*pui_value = 1;
} else {
*pui_value = 0;
}
break;
}
case IA_CMD_TYPE_INIT_CPY_BSF_BUFF_OVER_QUERY: {
*pui_value = p_obj_drc->str_bit_handler.cpy_over;
break;
}
case IA_CMD_TYPE_INIT_CPY_IC_BSF_BUFF_OVER_QUERY: {
*pui_value = p_obj_drc->str_bit_handler.cpy_over_ic;
break;
}
case IA_CMD_TYPE_INIT_CPY_IL_BSF_BUFF_OVER_QUERY: {
*pui_value = p_obj_drc->str_bit_handler.cpy_over_il;
break;
}
case IA_CMD_TYPE_INIT_CPY_IN_BSF_BUFF_OVER_QUERY: {
*pui_value = p_obj_drc->str_bit_handler.cpy_over_in;
break;
}
case IA_CMD_TYPE_INIT_CPY_BSF_BUFF: {
memcpy(p_obj_drc->str_bit_handler.it_bit_buf +
p_obj_drc->str_bit_handler.num_bytes_bs,
p_obj_drc->pp_mem[2], p_obj_drc->str_bit_handler.num_byts_cur);
p_obj_drc->str_bit_handler.num_bytes_bs =
p_obj_drc->str_bit_handler.num_bytes_bs +
p_obj_drc->str_bit_handler.num_byts_cur;
break;
}
case IA_CMD_TYPE_INIT_CPY_IC_BSF_BUFF: {
memcpy(p_obj_drc->str_bit_handler.bitstream_drc_config +
p_obj_drc->str_bit_handler.num_bytes_bs_drc_config,
p_obj_drc->pp_mem[2],
p_obj_drc->str_bit_handler.num_byts_cur_ic);
p_obj_drc->str_bit_handler.num_bytes_bs_drc_config =
p_obj_drc->str_bit_handler.num_bytes_bs_drc_config +
p_obj_drc->str_bit_handler.num_byts_cur_ic;
break;
}
case IA_CMD_TYPE_INIT_CPY_IL_BSF_BUFF: {
memcpy(p_obj_drc->str_bit_handler.bitstream_loudness_info +
p_obj_drc->str_bit_handler.num_bytes_bs_loudness_info,
p_obj_drc->pp_mem[2],
p_obj_drc->str_bit_handler.num_byts_cur_il);
p_obj_drc->str_bit_handler.num_bytes_bs_loudness_info =
p_obj_drc->str_bit_handler.num_bytes_bs_loudness_info +
p_obj_drc->str_bit_handler.num_byts_cur_il;
break;
}
case IA_CMD_TYPE_INIT_CPY_IN_BSF_BUFF: {
memcpy(p_obj_drc->str_bit_handler.bitstream_unidrc_interface +
p_obj_drc->str_bit_handler.num_bytes_bs_unidrc_interface,
p_obj_drc->pp_mem[2],
p_obj_drc->str_bit_handler.num_byts_cur_in);
p_obj_drc->str_bit_handler.num_bytes_bs_unidrc_interface =
p_obj_drc->str_bit_handler.num_bytes_bs_unidrc_interface +
p_obj_drc->str_bit_handler.num_byts_cur_in;
break;
}
default: { return -1; }
};
break;
}
case IA_API_CMD_GET_CONFIG_PARAM: {
switch (i_idx) {
case IA_DRC_DEC_CONFIG_PARAM_SAMP_FREQ: {
*pus_value = p_obj_drc->str_config.sampling_rate;
break;
}
case IA_DRC_DEC_CONFIG_PARAM_NUM_CHANNELS: {
*pus_value = p_obj_drc->str_config.num_ch_out;
break;
}
case IA_DRC_DEC_CONFIG_PROC_OUT_PTR: {
*ps_value = (SIZE_T)p_obj_drc->str_payload.pstr_drc_sel_proc_output;
break;
}
}
break;
}
case IA_API_CMD_SET_CONFIG_PARAM: {
switch (i_idx) {
case IA_DRC_DEC_CONFIG_PARAM_DEC_TYPE: {
if (*pus_value == 1) {
p_obj_drc->str_config.dec_type = DEC_TYPE_TD_QMF64;
p_obj_drc->str_config.sub_band_domain_mode =
SUBBAND_DOMAIN_MODE_QMF64;
p_obj_drc->str_config.sub_band_down_sampling_factor =
AUDIO_CODEC_SUBBAND_DOWNSAMPLING_FACTOR_QMF64;
p_obj_drc->str_config.sub_band_count =
AUDIO_CODEC_SUBBAND_COUNT_QMF64;
} else if (*pus_value == 2) {
p_obj_drc->str_config.dec_type = DEC_TYPE_QMF64;
p_obj_drc->str_config.sub_band_domain_mode =
SUBBAND_DOMAIN_MODE_QMF64;
p_obj_drc->str_config.sub_band_down_sampling_factor =
AUDIO_CODEC_SUBBAND_DOWNSAMPLING_FACTOR_QMF64;
p_obj_drc->str_config.sub_band_count =
AUDIO_CODEC_SUBBAND_COUNT_QMF64;
} else if (*pus_value == 3) {
p_obj_drc->str_config.dec_type = DEC_TYPE_STFT256;
p_obj_drc->str_config.sub_band_domain_mode =
SUBBAND_DOMAIN_MODE_STFT256;
p_obj_drc->str_config.sub_band_down_sampling_factor =
AUDIO_CODEC_SUBBAND_DOWNSAMPLING_FACTOR_STFT256;
p_obj_drc->str_config.sub_band_count =
AUDIO_CODEC_SUBBAND_COUNT_STFT256;
} else {
p_obj_drc->str_config.dec_type = DEC_TYPE_TD;
p_obj_drc->str_config.sub_band_domain_mode =
SUBBAND_DOMAIN_MODE_OFF;
}
if (*pus_value < 0 || *pus_value > 3) {
return IA_DRC_DEC_CONFIG_NON_FATAL_INVALID_DECODE_TYPE;
}
break;
}
case IA_DRC_DEC_CONFIG_PARAM_CTRL_PARAM: {
if (*pus_value < 1 || *pus_value > 39) {
return IA_DRC_DEC_CONFIG_NON_FATAL_INVALID_CTRL_PARAM_IDX;
}
p_obj_drc->str_config.control_parameter_index = *pus_value;
break;
}
case IA_DRC_DEC_CONFIG_PARAM_PEAK_LIMITER: {
if (*pus_value < 0 || *pus_value > 1) {
return IA_DRC_DEC_CONFIG_NON_FATAL_INVALID_PEAK_LIM_FLAG;
}
p_obj_drc->str_config.peak_limiter = *pus_value;
break;
}
case IA_DRC_DEC_CONFIG_PARAM_VER_MODE: {
break;
}
case IA_DRC_DEC_CONFIG_PARAM_SAMP_FREQ: {
if (*pus_value < 8000 || *pus_value > 96000) {
return IA_DRC_DEC_CONFIG_NON_FATAL_INVALID_SAMP_FREQ;
}
p_obj_drc->str_config.sampling_rate = *pus_value;
break;
}
case IA_DRC_DEC_CONFIG_PARAM_NUM_CHANNELS: {
p_obj_drc->str_config.num_ch_in = *pus_value;
if (*pus_value < 1 || *pus_value > MAX_CHANNEL_COUNT) {
return IA_DRC_DEC_CONFIG_NON_FATAL_INVALID_NUM_OF_CHANNELS;
}
break;
}
case IA_DRC_DEC_CONFIG_PARAM_PCM_WDSZ: {
if ((*pus_value != 16) && (*pus_value != 32)) {
return IA_DRC_DEC_CONFIG_NON_FATAL_INVALID_PCM_SIZE;
}
p_obj_drc->str_config.pcm_size = *pus_value;
break;
}
case IA_DRC_DEC_CONFIG_PARAM_BITS_FORMAT: {
if ((*pus_value != 1) && (*pus_value != 0)) {
return -1;
}
p_obj_drc->str_config.bitstream_file_format = *pus_value;
break;
}
case IA_DRC_DEC_CONFIG_PARAM_INT_PRESENT: {
if ((*pus_value != 1) && (*pus_value != 0)) {
return -1;
}
p_obj_drc->str_config.interface_bitstream_present = *pus_value;
break;
}
case IA_DRC_DEC_CONFIG_PARAM_DELAY_MODE: {
if ((*pus_value != 1) && (*pus_value != 0)) {
return IA_DRC_DEC_CONFIG_NON_FATAL_INVALID_DELAY_MODE;
}
p_obj_drc->str_config.delay_mode = *pus_value;
break;
}
case IA_DRC_DEC_CONFIG_PARAM_GAIN_DELAY: {
if ((*pus_value > MAX_SIGNAL_DELAY) || (*pus_value < 0)) {
return IA_DRC_DEC_CONFIG_NON_FATAL_INVALID_GAIN_DELAY;
}
p_obj_drc->str_config.gain_delay_samples = *pus_value;
break;
}
/*Sujith: introduce error*/
case IA_DRC_DEC_CONFIG_PARAM_AUDIO_DELAY: {
break;
}
case IA_DRC_DEC_CONFIG_PARAM_CON_DELAY_MODE: {
if (*pus_value < 0 || *pus_value > 1) {
return IA_DRC_DEC_CONFIG_PARAM_CON_DELAY_MODE;
}
p_obj_drc->str_config.constant_delay_on = *pus_value;
break;
}
case IA_DRC_DEC_CONFIG_PARAM_ABSO_DELAY_OFF: {
p_obj_drc->str_config.absorb_delay_on = *pus_value;
break;
}
case IA_DRC_DEC_CONFIG_PARAM_FRAME_SIZE: {
if (*pus_value < 1 || *pus_value > 4096) {
return IA_DRC_DEC_CONFIG_NON_FATAL_INVALID_FRAME_SIZE;
}
p_obj_drc->str_config.frame_size = *pus_value;
break;
}
case IA_DRC_DEC_CONFIG_GAIN_STREAM_FLAG: {
p_obj_drc->str_bit_handler.gain_stream_flag = *pus_value;
break;
}
case IA_DRC_DEC_CONFIG_DRC_EFFECT_TYPE: {
p_obj_drc->str_config.effect_type = *pus_value;
break;
}
case IA_DRC_DEC_CONFIG_DRC_TARGET_LOUDNESS: {
p_obj_drc->str_config.target_loudness = *pus_value;
break;
}
case IA_DRC_DEC_CONFIG_DRC_LOUD_NORM: {
p_obj_drc->str_config.loud_norm_flag = *pus_value;
break;
}
default: { return -1; }
}
break;
}
case IA_API_CMD_GET_MEMTABS_SIZE: {
break;
}
case IA_API_CMD_SET_MEMTABS_PTR: {
break;
}
case IA_API_CMD_GET_N_MEMTABS: {
*pui_value = NUM_DRC_TABLES;
break;
}
case IA_API_CMD_GET_N_TABLES: {
break;
}
case IA_API_CMD_EXECUTE: {
switch (i_idx) {
case IA_CMD_TYPE_DO_EXECUTE: {
if (p_obj_drc->str_config.dec_type == DEC_TYPE_TD) {
error_code = impd_process_time_domain(p_obj_drc);
} else if (p_obj_drc->str_config.dec_type == DEC_TYPE_QMF64) {
error_code = impd_init_process_audio_main_qmf(p_obj_drc);
} else if (p_obj_drc->str_config.dec_type == DEC_TYPE_STFT256) {
error_code = impd_init_process_audio_main_stft(p_obj_drc);
} else if (p_obj_drc->str_config.dec_type == DEC_TYPE_TD_QMF64) {
error_code = impd_init_process_audio_main_td_qmf(p_obj_drc);
}
break;
}
case IA_CMD_TYPE_DONE_QUERY: {
*pui_value = p_obj_drc->p_state->ui_exe_done;
break;
}
default: { return -1; }
};
break;
}
case IA_API_CMD_PUT_INPUT_QUERY: {
*pui_value = 1;
break;
}
case IA_API_CMD_GET_CURIDX_INPUT_BUF: {
UWORD32 ui_in_buf_size = p_obj_drc->p_mem_info[IA_DRC_INPUT_IDX].ui_size;
UWORD32 ui_in_bytes = p_obj_drc->p_state->ui_in_bytes;
*pui_value = ui_in_buf_size > ui_in_bytes ? ui_in_bytes : ui_in_buf_size;
break;
}
case IA_API_CMD_SET_INPUT_BYTES: {
p_obj_drc->p_state->ui_in_bytes = *pui_value;
break;
}
case IA_API_CMD_GET_OUTPUT_BYTES: {
*pui_value = p_obj_drc->p_state->ui_out_bytes;
break;
}
case IA_API_CMD_INPUT_OVER: {
p_obj_drc->p_state->ui_exe_done = 1;
break;
}
case IA_API_CMD_INPUT_OVER_BS: {
p_obj_drc->str_bit_handler.cpy_over = 1;
break;
}
case IA_API_CMD_INPUT_OVER_IC_BS: {
p_obj_drc->str_bit_handler.cpy_over_ic = 1;
break;
}
case IA_API_CMD_INPUT_OVER_IL_BS: {
p_obj_drc->str_bit_handler.cpy_over_il = 1;
break;
}
case IA_API_CMD_INPUT_OVER_IN_BS: {
p_obj_drc->str_bit_handler.cpy_over_in = 1;
break;
}
case IA_API_CMD_SET_INPUT_BYTES_BS: {
p_obj_drc->str_bit_handler.num_byts_cur = *pus_value;
break;
}
case IA_API_CMD_SET_INPUT_BYTES_IC_BS: {
p_obj_drc->str_bit_handler.num_byts_cur_ic = *pus_value;
break;
}
case IA_API_CMD_SET_INPUT_BYTES_IL_BS: {
p_obj_drc->str_bit_handler.num_byts_cur_il = *pus_value;
break;
}
case IA_API_CMD_SET_INPUT_BYTES_IN_BS: {
p_obj_drc->str_bit_handler.num_byts_cur_in = *pus_value;
break;
}
default: { return -1; }
};
return error_code;
}
IA_ERRORCODE impd_drc_mem_api(ia_drc_api_struct *p_obj_drc, WORD32 i_cmd,
WORD32 i_idx, pVOID pv_value) {
pUWORD32 pui_value = pv_value;
switch (i_cmd) {
case IA_API_CMD_GET_MEM_INFO_SIZE: {
*pui_value = p_obj_drc->p_mem_info[i_idx].ui_size;
break;
}
case IA_API_CMD_GET_MEM_INFO_ALIGNMENT: {
*pui_value = p_obj_drc->p_mem_info[i_idx].ui_alignment;
break;
}
case IA_API_CMD_GET_MEM_INFO_TYPE: {
*pui_value = p_obj_drc->p_mem_info[i_idx].ui_type;
break;
}
case IA_API_CMD_GET_MEM_INFO_PLACEMENT: {
*pui_value = p_obj_drc->p_mem_info[i_idx].ui_placement[0];
*(pui_value + 1) = p_obj_drc->p_mem_info[i_idx].ui_placement[1];
break;
}
case IA_API_CMD_GET_MEM_INFO_PRIORITY: {
*pui_value = p_obj_drc->p_mem_info[i_idx].ui_priority;
break;
}
case IA_API_CMD_SET_MEM_PTR: {
pWORD8 pbtemp;
UWORD32 sz;
if (pv_value == 0) {
return (-1);
}
if (((SIZE_T)pv_value % p_obj_drc->p_mem_info[i_idx].ui_alignment) != 0) {
return (-1);
}
p_obj_drc->pp_mem[i_idx] = pv_value;
pbtemp = p_obj_drc->pp_mem[i_idx];
sz = p_obj_drc->p_mem_info[i_idx].ui_size;
memset(pbtemp, 0, sz);
}
case IA_API_CMD_SET_MEM_PLACEMENT: {
}
};
return IA_NO_ERROR;
}
IA_ERRORCODE impd_drc_fill_mem_tables(ia_drc_api_struct *p_obj_drc) {
ia_mem_info_struct *p_mem_info;
{
p_mem_info = &p_obj_drc->p_mem_info[IA_DRC_PERSIST_IDX];
p_mem_info->ui_size = 64 * 1024 * 1024;
p_mem_info->ui_alignment = 8;
p_mem_info->ui_type = IA_MEMTYPE_PERSIST;
p_mem_info->ui_placement[0] = 0;
p_mem_info->ui_placement[1] = 0;
p_mem_info->ui_priority = IA_MEMPRIORITY_ANYWHERE;
p_mem_info->ui_placed[0] = 0;
p_mem_info->ui_placed[1] = 0;
}
{
p_mem_info = &p_obj_drc->p_mem_info[IA_DRC_INPUT_IDX];
p_mem_info->ui_size = p_obj_drc->str_config.frame_size *
(p_obj_drc->str_config.pcm_size >> 3) *
p_obj_drc->str_config.num_ch_in;
p_mem_info->ui_alignment = 4;
p_mem_info->ui_type = IA_MEMTYPE_INPUT;
p_mem_info->ui_placement[0] = 0;
p_mem_info->ui_placement[1] = 0;
p_mem_info->ui_priority = IA_MEMPRIORITY_ANYWHERE;
p_mem_info->ui_placed[0] = 0;
p_mem_info->ui_placed[1] = 0;
}
{
p_mem_info = &p_obj_drc->p_mem_info[IA_DRC_OUTPUT_IDX];
p_mem_info->ui_size = p_obj_drc->str_config.frame_size *
(p_obj_drc->str_config.pcm_size >> 3) *
p_obj_drc->str_config.num_ch_in;
p_mem_info->ui_alignment = 4;
p_mem_info->ui_type = IA_MEMTYPE_OUTPUT;
p_mem_info->ui_placement[0] = 0;
p_mem_info->ui_placement[1] = 0;
p_mem_info->ui_priority = IA_MEMPRIORITY_ANYWHERE;
p_mem_info->ui_placed[0] = 0;
p_mem_info->ui_placed[1] = 0;
}
{
p_mem_info = &p_obj_drc->p_mem_info[IA_DRC_SCRATCH_IDX];
p_mem_info->ui_size = SCRATCH_MEM_SIZE;
p_mem_info->ui_alignment = 8;
p_mem_info->ui_type = IA_MEMTYPE_SCRATCH;
p_mem_info->ui_placement[0] = 0;
p_mem_info->ui_placement[1] = 0;
p_mem_info->ui_priority = IA_MEMPRIORITY_ANYWHERE;
p_mem_info->ui_placed[0] = 0;
p_mem_info->ui_placed[1] = 0;
}
return IA_NO_ERROR;
}