aosp12/external/libhevc/encoder/ihevce_coarse_me_pass.h

418 lines
14 KiB
C

/******************************************************************************
*
* 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_coarse_me_pass.h
*
* \brief
* Interfaces to create, control and run the Coarse ME module
*
* \date
* 22/10/2012
*
* \author
* Ittiam
*
******************************************************************************
*/
#ifndef _IHEVCE_COARSE_ME_PASS_H_
#define _IHEVCE_COARSE_ME_PASS_H_
/*****************************************************************************/
/* Constant Macros */
/*****************************************************************************/
/*****************************************************************************/
/* Function Macros */
/*****************************************************************************/
/*****************************************************************************/
/* Typedefs */
/*****************************************************************************/
/*****************************************************************************/
/* Enums */
/*****************************************************************************/
/*****************************************************************************/
/* Structure */
/*****************************************************************************/
/*****************************************************************************/
/* Extern Variable Declarations */
/*****************************************************************************/
/*****************************************************************************/
/* Extern Function Declarations */
/*****************************************************************************/
/*!
******************************************************************************
* \if Function name : ihevce_me_get_num_mem_recs \endif
*
* \brief
* Number of memory records are returned for ME module
*
*
* \return
* Number of memory records
*
* \author
* Ittiam
*
*****************************************************************************
*/
WORD32 ihevce_coarse_me_get_num_mem_recs();
/*!
******************************************************************************
* \if Function name : ihevce_coarse_me_get_mem_recs \endif
*
* \brief
* Memory requirements are returned for coarse ME.
*
* \param[in,out] ps_mem_tab : pointer to memory descriptors table
* \param[in] ps_init_prms : Create time static parameters
* \param[in] i4_num_proc_thrds : Number of processing threads for this module
* \param[in] i4_mem_space : memspace in whihc memory request should be done
*
* \return
* Number of records
*
* \author
* Ittiam
*
*****************************************************************************
*/
WORD32 ihevce_coarse_me_get_mem_recs(
iv_mem_rec_t *ps_mem_tab,
ihevce_static_cfg_params_t *ps_init_prms,
WORD32 i4_num_proc_thrds,
WORD32 i4_mem_space,
WORD32 i4_resolution_id);
/*!
******************************************************************************
* \if Function name : ihevce_coarse_me_init \endif
*
* \brief
* Intialization for ME context state structure .
*
* \param[in] ps_mem_tab : pointer to memory descriptors table
* \param[in] ps_init_prms : Create time static parameters
* \param[in] pv_osal_handle : Osal handle
*
* \return
* Handle to the ME context
*
* \author
* Ittiam
*
*****************************************************************************
*/
void *ihevce_coarse_me_init(
iv_mem_rec_t *ps_mem_tab,
ihevce_static_cfg_params_t *ps_init_prms,
WORD32 i4_num_proc_thrds,
void *pv_osal_handle,
WORD32 i4_resolution_id,
UWORD8 u1_is_popcnt_available);
/*!
******************************************************************************
* \if Function name : ihevce_coarse_me_reg_thrds_sem \endif
*
* \brief
* Intialization for ME context state structure with semaphores .
*
* \param[in] pv_me_ctxt : pointer to Coarse ME ctxt
* \param[in] ppv_sem_hdls : Arry of semaphore handles
* \param[in] i4_num_proc_thrds : Number of processing threads
*
* \return
* none
*
* \author
* Ittiam
*
*****************************************************************************
*/
void ihevce_coarse_me_reg_thrds_sem(void *pv_me_ctxt, void **ppv_sem_hdls, WORD32 i4_num_proc_thrds);
/*!
******************************************************************************
* \if Function name : ihevce_coarse_me_delete \endif
*
* \brief
* Destroy Coarse ME module
* Note : Only Destroys the resources allocated in the module like
* semaphore,etc. Memory free is done Separately using memtabs
*
* \param[in] pv_me_ctxt : pointer to Coarse ME ctxt
* \param[in] ps_init_prms : Create time static parameters
*
* \return
* None
*
* \author
* Ittiam
*
*****************************************************************************
*/
void ihevce_coarse_me_delete(
void *pv_me_ctxt, ihevce_static_cfg_params_t *ps_init_prms, WORD32 i4_resolution_id);
/**
*******************************************************************************
* \if Function name : ihevce_me_set_resolution \endif
*
* \brief
* Sets the resolution for ME state
*
* \par Description:
* ME requires information of resolution to prime up its layer descriptors
* and contexts. This API is called whenever a control call from application
* causes a change of resolution. Has to be called once initially before
* processing any frame. Again this is just a glue function and calls the
* actual ME API for the same.
*
* \param[in,out] pv_me_ctxt: Handle to the ME context
* \param[in] n_enc_layers: Number of layers getting encoded
* \param[in] p_wd : Pointer containing widths of each layer getting encoded.
* \param[in] p_ht : Pointer containing heights of each layer getting encoded.
*
* \returns
* none
*
* \author
* Ittiam
*
*******************************************************************************
*/
void ihevce_coarse_me_set_resolution(
void *pv_me_ctxt, WORD32 n_enc_layers, WORD32 *p_wd, WORD32 *p_ht);
void ihevce_coarse_me_get_rc_param(
void *pv_me_ctxt,
LWORD64 *i8_acc_frame_hme_cost,
LWORD64 *i8_acc_frame_hme_sad,
LWORD64 *i8_acc_num_blks_higher_sad,
LWORD64 *i8_total_blks,
WORD32 i4_is_prev_pic_same_scene);
/*!
******************************************************************************
* \if Function name : ihevce_me_frame_init \endif
*
* \brief
* Frame level ME initialisation function
*
* \par Description:
* The following pre-conditions exist for this function: a. We have the input
* pic ready for encode, b. We have the reference list with POC, L0/L1 IDs
* and ref ptrs ready for this picture and c. ihevce_me_set_resolution has
* been called atleast once. Once these are supplied, the following are
* done here: a. Input pyramid creation, b. Updation of ME's internal DPB
* based on available ref list information
*
* \param[in] pv_ctxt : pointer to ME module
* \param[in] ps_frm_ctb_prms : CTB characteristics parameters
* \param[in] ps_frm_lamda : Frame level Lambda params
* \param[in] num_ref_l0 : Number of reference pics in L0 list
* \param[in] num_ref_l1 : Number of reference pics in L1 list
* \param[in] num_ref_l0_active : Active reference pics in L0 dir for current frame (shall be <= num_ref_l0)
* \param[in] num_ref_l1_active : Active reference pics in L1 dir for current frame (shall be <= num_ref_l1)
* \param[in] pps_rec_list_l0 : List of recon pics in L0 list
* \param[in] pps_rec_list_l1 : List of recon pics in L1 list
* \param[in] ps_enc_lap_inp : pointer to input yuv buffer (frame buffer)
* \param[in] i4_frm_qp : current picture QP
*
* \return
* None
*
* \author
* Ittiam
*
*****************************************************************************
*/
void ihevce_coarse_me_frame_init(
void *pv_me_ctxt,
ihevce_static_cfg_params_t *ps_stat_prms,
frm_ctb_ctxt_t *ps_frm_ctb_prms,
frm_lambda_ctxt_t *ps_frm_lamda,
WORD32 num_ref_l0,
WORD32 num_ref_l1,
WORD32 num_ref_l0_active,
WORD32 num_ref_l1_active,
recon_pic_buf_t **pps_rec_list_l0,
recon_pic_buf_t **pps_rec_list_l1,
ihevce_lap_enc_buf_t *ps_enc_lap_inp,
WORD32 i4_frm_qp,
ihevce_ed_blk_t *ps_layer1_buf, //EIID
ihevce_ed_ctb_l1_t *ps_ed_ctb_l1,
UWORD8 *pu1_me_reverse_map_info,
WORD32 i4_temporal_layer_id);
/*!
******************************************************************************
* \if Function name : ihevce_me_process \endif
*
* \brief
* Frame level ME function
*
* \par Description:
* Processing of all layers starting from coarse and going
* to the refinement layers, all layers
* that are encoded go CTB by CTB. Outputs of this function are populated
* ctb_analyse_t structures, one per CTB.
*
* \param[in] pv_ctxt : pointer to ME module
* \param[in] ps_enc_lap_inp : pointer to input yuv buffer (frame buffer)
* \param[in,out] ps_ctb_out : pointer to CTB analyse output structure (frame buffer)
* \param[out] ps_cu_out : pointer to CU analyse output structure (frame buffer)
* \param[in] pd_intra_costs : pointerto intra cost buffer
* \param[in] ps_multi_thrd_ctxt : pointer to multi thread ctxt
* \param[in] thrd_id : Thread id of the current thrd in which function is executed
*
* \return
* None
*
* \author
* Ittiam
*
*****************************************************************************
*/
void ihevce_coarse_me_process(
void *pv_me_ctxt,
ihevce_lap_enc_buf_t *ps_enc_lap_inp,
multi_thrd_ctxt_t *ps_multi_thrd_ctxt,
WORD32 thrd_id,
WORD32 i4_ping_pong);
/*!
******************************************************************************
* \if Function name : ihevce_me_frame_dpb_update \endif
*
* \brief
* Frame level ME initialisation function
*
* \par Description:
* Updation of ME's internal DPB
* based on available ref list information
*
* \param[in] pv_ctxt : pointer to ME module
* \param[in] num_ref_l0 : Number of reference pics in L0 list
* \param[in] num_ref_l1 : Number of reference pics in L1 list
* \param[in] pps_rec_list_l0 : List of recon pics in L0 list
* \param[in] pps_rec_list_l1 : List of recon pics in L1 list
*
* \return
* None
*
* \author
* Ittiam
*
*****************************************************************************
*/
void ihevce_coarse_me_frame_dpb_update(
void *pv_me_ctxt,
WORD32 num_ref_l0,
WORD32 num_ref_l1,
recon_pic_buf_t **pps_rec_list_l0,
recon_pic_buf_t **pps_rec_list_l1);
/*!
******************************************************************************
* \if Function name : ihevce_me_get_lyr_prms_job_que \endif
*
* \brief Returns to the caller key attributes related to dependency between layers
* for multi-thread execution
*
*
* \par Description:
* This function requires the precondition that the width and ht of encode
* layer is known, and ME API ihevce_me_set_resolution() API called with
* this info. Based on this, ME populates useful information for the encoder
* to execute the multi-thread (concurrent across layers) in this API.
* The number of layers, number of vertical units in each layer, and for
* each vertial unit in each layer, its dependency on previous layer's units
* From ME's perspective, a vertical unit is one which is smallest min size
* vertically (and spans the entire row horizontally). This is CTB for encode
* layer, and 8x8 / 4x4 for non encode layers.
*
* \param[in] pv_ctxt : ME handle
* \param[in] ps_curr_inp : Input buffer descriptor
* \param[out] pi4_num_hme_lyrs : Num of HME layers (ME updates)
* \param[out] pi4_num_vert_units_in_lyr : Array of size N (num layers), each
* entry has num vertical units in that particular layer
* \param[in] ps_me_job_q_prms : Array of job queue prms, one for each unit in a
* layer. Note that this is contiguous in order of processing
* All k units of layer N-1 from top to bottom, followed by
* all m units of layer N-2 .... ends with X units of layer 0
*
* \return
* None
*
* \author
* Ittiam
*
*****************************************************************************
*/
void ihevce_coarse_me_get_lyr_prms_job_que(
void *pv_me_ctxt,
ihevce_lap_enc_buf_t *ps_curr_inp,
WORD32 *pi4_num_hme_lyrs,
WORD32 *pi4_num_vert_units_in_lyr,
multi_thrd_me_job_q_prms_t *ps_me_job_q_prms);
/*!
******************************************************************************
* \if Function name : ihevce_me_frame_end \endif
*
* \brief
* End of frame update function performs GMV collation
*
* \param[in] pv_ctxt : pointer to ME module
*
* \return
* None
*
* \author
* Ittiam
*
*****************************************************************************
*/
void ihevce_coarse_me_frame_end(void *pv_me_ctxt);
void ihevce_coarse_me_get_lyr1_ctxt(
void *pv_me_ctxt, void *pv_layer_ctxt, void *pv_layer_mv_bank_ctxt);
void ihevce_coarse_me_set_lyr1_mv_bank(
void *pv_me_ctxt,
ihevce_lap_enc_buf_t *ps_enc_lap_inp,
void *pv_mv_bank,
void *pv_ref_idx_bank,
WORD32 i4_curr_idx);
WORD32 ihevce_coarse_me_get_lyr_buf_desc(
void *pv_me_ctxt, UWORD8 **ppu1_decomp_lyr_bufs, WORD32 *pi4_lyr_buf_stride);
#endif /* _IHEVCE_COARSE_ME_PASS_H_ */