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libhevc-mirror/decoder/ihevcd_structs.h
Harish Mahendrakar 18fc8f6b52 Added support for 420 10-bit decoding. 
This is the initial version and doesn't enable SIMD functions yet.
Has not been tested extensively yet.
This is not ready to be merged into main branch yet.
2026-08-07 03:21:32 +00:00

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/******************************************************************************
*
* Copyright (C) 2012 Ittiam Systems Pvt Ltd, Bangalore
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/**
*******************************************************************************
* @file
* ihevcd_structs.h
*
* @brief
* Structure definitions used in the decoder
*
* @author
* Harish
*
* @par List of Functions:
*
* @remarks
* None
*
*******************************************************************************
*/
#ifndef _IHEVCD_STRUCTS_H_
#define _IHEVCD_STRUCTS_H_
typedef enum
{
INIT_DONE, HEADER_DONE, FIRST_FRAME_DONE,
}CODEC_STATE_T;
typedef struct _codec_t codec_t;
/** Structure to hold format conversion context */
typedef struct
{
/** Current row for which format conversion should be done */
WORD32 i4_cur_row;
/** Number of rows for which format conversion should be done */
WORD32 i4_num_rows;
}fmt_conv_t;
/**
* Bitstream structure
*/
typedef struct
{
/**
* Bitstream buffer base pointer
*/
UWORD8 *pu1_buf_base;
/**
* Bitstream bit offset in current word. Value between 0 and 31
*/
UWORD32 u4_bit_ofst;
/**
* Current bitstream buffer pointer
*/
UWORD32 *pu4_buf;
/**
* Current word
*/
UWORD32 u4_cur_word;
/**
* Next word
*/
UWORD32 u4_nxt_word;
/**
* Max address for bitstream
*/
UWORD8 *pu1_buf_max;
}bitstrm_t;
/**
******************************************************************************
* @brief Cabac context for decoder
******************************************************************************
*/
typedef struct cab_ctxt
{
/*********************************************************************/
/* CABAC ENGINE related fields */
/*********************************************************************/
/** cabac interval range R */
UWORD32 u4_range;
/** cabac interval offset O */
UWORD32 u4_ofst;
/*********************************************************************/
/* CABAC context models */
/*********************************************************************/
/** All Context models stored in pscked form pState[bits6-1] | MPS[bit0] */
UWORD8 au1_ctxt_models[IHEVC_CAB_CTXT_END];
/** Context models memorized after decoding 2nd CTB in a row to be used
* during entropy sync cases
*/
UWORD8 au1_ctxt_models_sync[IHEVC_CAB_CTXT_END];
#ifdef ENABLE_MAIN_REXT_PROFILE
/** golomb rice adaptation statistics */
WORD32 ai4_rice_stat_coeff[4];
WORD32 ai4_rice_stat_coeff_sync[4];
#endif
}cab_ctxt_t;
typedef enum
{
CMD_PROCESS,
CMD_FMTCONV,
}JOBQ_CMD_T;
/**
* Structure to represent a processing job entry
*/
typedef struct
{
/**
* Command
* Currently: PROCESS, FMTCONV are the only two jobs
*/
WORD32 i4_cmd;
/**
* CTB x of the starting CTB
*/
WORD16 i2_ctb_x;
/**
* CTB y of the starting CTB
*/
WORD16 i2_ctb_y;
/**
* Number of CTBs that need to be processed in this job
*/
WORD16 i2_ctb_cnt;
/**
* Slice index for the current CTB
*/
WORD16 i2_slice_idx;
/**
* TU coefficient data offset for the current job
*/
WORD32 i4_tu_coeff_data_ofst;
}proc_job_t;
/**
* Structure to represent a MV Bank buffer
*/
typedef struct
{
/**
* Pointer to hold PU index for each CTB in a picture
*/
UWORD32 *pu4_pic_pu_idx;
/**
* Pointer to hold pu_t for each PU in a picture
*/
pu_t *ps_pic_pu;
/**
* Pointer to hold PU map for each CTB in a picture
*/
UWORD8 *pu1_pic_pu_map;
/**
* Pointer to hold the Slice map
*/
UWORD16 *pu1_pic_slice_map;
/**
* Absolute POC for the current MV Bank
*/
WORD32 i4_abs_poc;
/**
* Absolute POCs of reference List 0 for all slices in the frame from which this frame is reconstructed
*/
WORD32 ai4_l0_collocated_poc[MAX_SLICE_HDR_CNT][MAX_DPB_SIZE];
/**
* Flag to indicate Long Term reference for POCs of reference List 0 for all slices in the frame from which this frame is reconstructed
*/
WORD8 ai1_l0_collocated_poc_lt[MAX_SLICE_HDR_CNT][MAX_DPB_SIZE];
/**
* Absolute POCs of reference List 1 for all slices in the frame from which this frame is reconstructed
*/
WORD32 ai4_l1_collocated_poc[MAX_SLICE_HDR_CNT][MAX_DPB_SIZE];
/**
* Flag to indicate Long Term reference for POCs of reference List 1 for all slices in the frame from which this frame is reconstructed
*/
WORD8 ai1_l1_collocated_poc_lt[MAX_SLICE_HDR_CNT][MAX_DPB_SIZE];
}mv_buf_t;
typedef struct
{
/**
* Pointer to current PPS
*/
pps_t *ps_pps;
/**
* Pointer to current SPS
*/
sps_t *ps_sps;
/**
* Pointer to current slice header structure
*/
slice_header_t *ps_slice_hdr;
/**
* CTB's x position within a picture in raster scan in CTB units
*/
WORD32 i4_ctb_x;
/**
* CTB's y position within a picture in raster scan in CTB units
*/
WORD32 i4_ctb_y;
/**
* Current PU structure - set to CTB pu_t pointer at the start of CTB processing and incremented
* for every TU
*/
pu_t *ps_pu;
/**
* Pointer to frame level pu_t for the current frame being parsed
* where MVs and Intra pred modes will be updated
*/
pu_t *ps_pic_pu;
/**
* Store the current tile's information. This is needed for the computation of mvs.
*/
tile_t *ps_tile;
/**
* Points to an array of PU indices which is used to identify
* start index of pu_t in ps_pic_pu and also to identify number of
* PUs in the current CTB by subtracting current idx from next CTB's
* PU idx
*/
UWORD32 *pu4_pic_pu_idx;
/** PU Index map per CTB. The indices in this map are w.r.t picture pu array and not
* w.r.t CTB pu array.
* This will be used during mv prediction and since neighbours will have different CTB pu map
* it will be easier if they all have indices w.r.t picture level PU array rather than CTB level
* PU array.
* pu1_pic_pu_map is map w.r.t CTB's pu_t array
*/
UWORD32 *pu4_pic_pu_idx_map;
/**
* Pointer to pu_map for the current frame being parsed
* where MVs and Intra pred modes will be updated
*/
UWORD8 *pu1_pic_pu_map;
/**
* PU count in current CTB
*/
WORD32 i4_ctb_pu_cnt;
/**
* PU count in current CTB
*/
WORD32 i4_ctb_start_pu_idx;
/**
* Top availability for current CTB level
*/
UWORD8 u1_top_ctb_avail;
/**
* Top right availability for current CTB level
*/
UWORD8 u1_top_rt_ctb_avail;
/**
* Top left availability for current CTB level
*/
UWORD8 u1_top_lt_ctb_avail;
/**
* left availability for current CTB level
*/
UWORD8 u1_left_ctb_avail;
}mv_ctxt_t;
typedef struct
{
/**
* Pointer to current PPS
*/
pps_t *ps_pps;
/**
* Pointer to current SPS
*/
sps_t *ps_sps;
/*
* Pointer to codec context
*/
codec_t *ps_codec;
/**
* Index of the current Tile being parsed
*/
tile_t *ps_tile;
/**
* Pointer to the current slice header
*/
slice_header_t *ps_slice_hdr;
/**
* TU count in current CTB
*/
WORD32 i4_ctb_tu_cnt;
/**
* CTB's x position within a picture in raster scan in CTB units
*/
WORD32 i4_ctb_x;
/**
* CTB's y position within a picture in raster scan in CTB units
*/
WORD32 i4_ctb_y;
/**
* CTB's x position within a Tile in raster scan in CTB units
*/
WORD32 i4_ctb_tile_x;
/**
* CTB's y position within a Tile in raster scan in CTB units
*/
WORD32 i4_ctb_tile_y;
/**
* CTB's x position within a Slice in raster scan in CTB units
*/
WORD32 i4_ctb_slice_x;
/**
* CTB's y position within a Slice in raster scan in CTB units
*/
WORD32 i4_ctb_slice_y;
/* Two bits per edge.
Stored in format. BS[15] | BS[14] | .. |BS[0]*/
UWORD32 *pu4_pic_vert_bs;
/**
* Horizontal Boundary strength
*/
/* Two bits per edge.
Stored in format. BS[15] | BS[14] | .. |BS[0]*/
UWORD32 *pu4_pic_horz_bs;
/**
* Flags to indicate if QP is constant through out a CTB - 1 bit for each CTB
* The bits are packed from LSB to MSB
* To get the flag corresponding to CTB with (ctb_x, ctb_y), use
* pu4_qp_const_in_ctb[(ctb_x + pic_wd_in_ctb * ctb_y) >> 3] & (1 << ((ctb_x + pic_wd_in_ctb * ctb_y) & 7))
*/
UWORD8 *pu1_pic_qp_const_in_ctb;
/**
* Qp array stored for each 8x8 pixels
*/
UWORD8 *pu1_pic_qp;
/**
* Current TU structure - set to CTB tu_t pointer at the start of CTB processing and incremented
* for every TU
*/
tu_t *ps_tu;
/**
* Points to an array of TU indices which is used to identify
* start index of tu_t in ps_pic_tu and also to identify number of
* TUs in the current CTB by subtracting current idx from next CTB's
* TU idx
*/
UWORD32 *pu4_pic_tu_idx;
/**
* Points to an array of PU indices which is used to identify
* start index of pu_t in ps_pic_pu and also to identify number of
* PUs in the current CTB by subtracting current idx from next CTB's
* PU idx
*/
UWORD32 *pu4_pic_pu_idx;
/**
* Current PU structure - set to CTB pu_t pointer at the start of CTB processing and incremented
* for every TU
*/
pu_t *ps_pu;
/**
* Pointer to frame level pu_t for the current frame being parsed
* where MVs and Intra pred modes will be updated
*/
pu_t *ps_pic_pu;
/** PU Index map per CTB. The indices in this map are w.r.t picture pu array and not
* w.r.t CTB pu array.
* This will be used during mv prediction and since neighbours will have different CTB pu map
* it will be easier if they all have indices w.r.t picture level PU array rather than CTB level
* PU array.
* pu1_pic_pu_map is map w.r.t CTB's pu_t array
*/
UWORD32 *pu4_pic_pu_idx_map;
/**
* Variable to store the next ctb count to compute pu idx
*/
WORD32 i4_next_pu_ctb_cnt;
/**
* Variable to store the next ctb count to compute tu idx
*/
WORD32 i4_next_tu_ctb_cnt;
/**
* Points to the array of slice indices which is used to identify the slice
* to which each CTB in a frame belongs.
*/
UWORD16 *pu1_slice_idx;
}bs_ctxt_t;
typedef struct
{
/**
* Pointer to current PPS
*/
pps_t *ps_pps;
/**
* Pointer to current SPS
*/
sps_t *ps_sps;
/*
* Pointer to codec context
*/
codec_t *ps_codec;
/**
* Pointer to current slice header structure
*/
slice_header_t *ps_slice_hdr;
/**
* Pointer to the structure that contains BS and QP frame level arrays
*/
bs_ctxt_t s_bs_ctxt;
/**
* CTB's x position within a picture in raster scan in CTB units
*/
WORD32 i4_ctb_x;
/**
* CTB's y position within a picture in raster scan in CTB units
*/
WORD32 i4_ctb_y;
/**
* Current pictures loop filter flag map at 8x8 level
*/
UWORD8 *pu1_pic_no_loop_filter_flag;
/**
* Current CTB's no_loop_filter_flags
* each element corresponds to one row - including the left CTB's last 8x8
*/
UWORD16 au2_ctb_no_loop_filter_flag[9];
/*
* Pointer to 0th luma pixel in current pic
*/
UWORD8 *pu1_cur_pic_luma;
/*
* Pointer to 0th chroma pixel in current pic
*/
UWORD8 *pu1_cur_pic_chroma;
/* Points to the array of slice indices which is used to identify the slice
* to which each CTB in a frame belongs.
*/
UWORD16 *pu1_slice_idx;
/* Specifies if the chroma format is yuv420sp_vu */
WORD32 is_chroma_yuv420sp_vu;
}deblk_ctxt_t;
typedef struct
{
/**
* Pointer to current PPS
*/
pps_t *ps_pps;
/**
* Pointer to current SPS
*/
sps_t *ps_sps;
/* Pointer to codec context
*
*/
codec_t *ps_codec;
/**
* Pointer to base slice header structure
*/
slice_header_t *ps_slice_hdr_base;
/**
* Pointer to current slice header structure
*/
slice_header_t *ps_slice_hdr;
/**
* Pointer to current tile structure
*/
tile_t *ps_tile;
/**
* CTB's x position within a picture in raster scan in CTB units
*/
WORD32 i4_ctb_x;
/**
* CTB's y position within a picture in raster scan in CTB units
*/
WORD32 i4_ctb_y;
/**
* Current pictures loop filter flag map at 8x8 level
*/
UWORD8 *pu1_pic_no_loop_filter_flag;
/*
* Pointer to 0th luma pixel in current pic
*/
UWORD8 *pu1_cur_pic_luma;
/*
* Pointer to 0th chroma pixel in current pic
*/
UWORD8 *pu1_cur_pic_chroma;
/**
* Pointer to frame level sao_t for the current frame being parsed
*/
sao_t *ps_pic_sao;
/**
* Temporary buffer needed during SAO processing
*/
UWORD8 *pu1_tmp_buf_luma;
/**
* Temporary buffer needed during SAO processing
*/
UWORD8 *pu1_tmp_buf_chroma;
/**
* Left column of luma pixels - used by SAO
*/
UWORD8 *pu1_sao_src_left_luma;
/**
* Top row of luma pixels - used by SAO
*/
UWORD8 *pu1_sao_src_top_luma;
/**
* Left column of chroma pixels(interleaved) - used by SAO
*/
UWORD8 *pu1_sao_src_left_chroma;
/**
* Top row of chroma pixels(interleaved) - used by SAO
*/
UWORD8 *pu1_sao_src_top_chroma;
/**
* Top-left luma pixel - used by SAO (for the top CTB row)
*/
UWORD8 *pu1_sao_src_luma_top_left_ctb;
/**
* Top-left chroma pixel(interleaved) - used by SAO (for the top CTB row)
*/
UWORD8 *pu1_sao_src_chroma_top_left_ctb;
/**
* Top-left luma pixel - used by SAO (for the current CTB row)
*/
UWORD8 *pu1_sao_src_top_left_luma_curr_ctb;
/**
* Top-left chroma pixel(interleaved) - used by SAO (for the current CTB row)
*/
UWORD8 *pu1_sao_src_top_left_chroma_curr_ctb;
/**
* Top-right luma pixel - used by SAO (for the top CTB row)
*/
UWORD8 *pu1_sao_src_top_left_luma_top_right;
/**
* Top-right chroma pixel(interleaved) - used by SAO (for the top CTB row)
*/
UWORD8 *pu1_sao_src_top_left_chroma_top_right;
/**
* Bottom-left luma pixel - used by SAO
*/
UWORD16 u2_sao_src_top_left_luma_bot_left;
/**
* Pointer to array that stores bottom left luma pixel per row(interleaved) - used by SAO
*/
UWORD8 *pu1_sao_src_top_left_luma_bot_left;
/**
* Bottom left chroma pixel(interleaved) - used by SAO
*/
UWORD16 au2_sao_src_top_left_chroma_bot_left[2];
/**
* Pointer to array that stores bottom left chroma pixel per row(interleaved) - used by SAO
*/
UWORD8 *pu1_sao_src_top_left_chroma_bot_left;
/*
* Slice counter in a picture.
*/
UWORD32 i4_cur_slice_idx;
/**
* Points to the array of slice indices which is used to identify the slice
* to which each CTB in a frame belongs.
*/
UWORD16 *pu1_slice_idx;
/**
* Points to the array of tile indices which is used to identify the slice
* to which each CTB in a frame belongs.
*/
UWORD16 *pu1_tile_idx;
/* Specifies if the chroma format is yuv420sp_vu */
WORD32 is_chroma_yuv420sp_vu;
/* Function pointer for the shifted CTB level function */
void *pf_sao_shift_ctb;
}sao_ctxt_t;
typedef struct
{
/** Log2 CU's size */
WORD32 i4_log2_cb_size;
/** CU's x position */
WORD32 i4_pos_x;
/** CU's y position */
WORD32 i4_pos_y;
/**
* Transquant Bypass enable flag at CU level - To be replicated at TU level
*/
WORD32 i4_cu_transquant_bypass;
/**
* Prediction mode
*/
WORD32 i4_pred_mode;
/**
* Partition mode
*/
WORD32 i4_part_mode;
/**
* Intra luma pred mode for current CU. In case of PART2Nx2N
* the first value is replicated to avoid checks later
*/
WORD32 ai4_intra_luma_pred_mode[4];
/**
* Previous intra luma pred flag used for intra pred mode computation
*/
WORD32 ai4_prev_intra_luma_pred_flag[4];
/**
* mpm index used in intra prediction mode computation
*/
WORD32 ai4_mpm_idx[4];
/**
* Remaining intra pred mode
*/
WORD32 ai4_rem_intra_luma_pred_mode[4];
/**
* Chroma pred mode index to be used to compute intra pred mode for chroma
*/
WORD32 ai4_intra_chroma_pred_mode_idx[4];
/**
* Maximum transform depth
*/
WORD32 i4_max_trafo_depth;
/**
* Luma CBF for current TU
*/
UWORD8 i1_cbf_luma;
/**
* Cb CBF
*/
UWORD8 ai1_cbf_cb[MAX_TRAFO_DEPTH];
#ifdef ENABLE_MAIN_REXT_PROFILE
UWORD8 ai1_cbf_cb_subtu[MAX_TRAFO_DEPTH];
#endif
/**
* Cr CBF
*/
UWORD8 ai1_cbf_cr[MAX_TRAFO_DEPTH];
#ifdef ENABLE_MAIN_REXT_PROFILE
UWORD8 ai1_cbf_cr_subtu[MAX_TRAFO_DEPTH];
#endif
/**
* Intra split flag
*/
WORD32 i4_intra_split_flag;
/**
* Current QP
*/
WORD32 i4_qp;
/**
* Number of TUs in CU parsed before a change in QP is signaled
*/
WORD32 i4_tu_cnt;
/**
* Cu QP delta
*/
WORD32 i4_cu_qp_delta;
}parse_cu_t;
/**
* Structure contains few common state variables such as CTB positions, current SPS, PPS ids etc which are to be
* used in the parsing thread. By keeping it a different structure it is being explicitly signalled that these
* variables are specific to Parsing threads context and other threads should not update these elements
*/
typedef struct
{
/**
* CTB's x position within a picture in raster scan in CTB units
*/
WORD32 i4_ctb_x;
/**
* CTB's y position within a picture in raster scan in CTB units
*/
WORD32 i4_ctb_y;
/**
* CTB's x position within a Tile in raster scan in CTB units
*/
WORD32 i4_ctb_tile_x;
/**
* CTB's y position within a Tile in raster scan in CTB units
*/
WORD32 i4_ctb_tile_y;
/**
* CTB's x position within a Slice in raster scan in CTB units
*/
WORD32 i4_ctb_slice_x;
/**
* CTB's y position within a Slice in raster scan in CTB units
*/
WORD32 i4_ctb_slice_y;
/**
* Index of the current Tile being parsed
*/
tile_t *ps_tile;
/**
* Current slice idx - Used in multi-core cases to ensure slice header is
* preserved till the last CB of the slice is decoded
*/
WORD32 i4_cur_slice_idx;
/**
* Current slice idx - Used in multi-core cases to ensure slice header is
* preserved till the last CB of the slice is decoded
*/
WORD32 i4_cur_independent_slice_idx;
/**
* Current slice idx - Used in multi-core cases to ensure slice header is
* preserved till the last CB of the slice is decoded
*/
WORD32 i4_cur_tile_idx;
/**
* Pointer to current PPS
*/
pps_t *ps_pps;
/**
* Pointer to current SPS
*/
sps_t *ps_sps;
/**
* Signal that pic_init is called first time
*/
WORD32 i4_first_pic_init;
/**
* Flag to indicate if CU QP delta is coded.
* By default it is set to 0 at the beginning of coding quad tree
*/
WORD32 i4_is_cu_qp_delta_coded;
/**
* CU Qp delta
* By default it is set to 0 at the beginning of coding quad tree
*/
WORD32 i4_cu_qp_delta;
/**
* Bitstream structure
*/
bitstrm_t s_bitstrm;
/**
* Pointer frame level TU subblock coeff data
*/
void *pv_pic_tu_coeff_data;
/**
* Pointer to TU subblock coeff data and number of coded subblocks and scan idx
* Incremented each time a coded subblock is parsed
*
*/
void *pv_tu_coeff_data;
/**
* Current TU structure - set to CTB tu_t pointer at the start of CTB parsing and incremented
* for every TU
*/
tu_t *ps_tu;
/**
* Current ctb's TU map
*/
UWORD8 *pu1_tu_map;
/**
* Current PU structure - set to CTB pu_t pointer at the start of CTB parsing and incremented
* for every TU
*/
pu_t *ps_pu;
/**
* Points to the array of slice indices which is used to identify the independent slice
* to which each CTB in a frame belongs.
*/
UWORD16 *pu1_slice_idx;
/**
* Current PU index in a frame
*/
WORD32 i4_pic_pu_idx;
/**
* Current TU index in a frame
*/
WORD32 i4_pic_tu_idx;
/**
* Current PU structure - set to CTB pu_map pointer at the start of CTB parsing
*/
UWORD8 *pu1_pu_map;
/**
* Current QP
*/
WORD32 u4_qp;
/**
* Current Group's QP
*/
WORD32 u4_qpg;
/**
* Number of PCM blocks in current CTB - Needed only during parsing
* If needed during recon then move it to ctb_t
*/
WORD32 i4_ctb_num_pcm_blks;
/**
* PCM flag for the current CU
*/
WORD32 i4_cu_pcm_flag;
/**
* CU related information to be used to populate tu_t and pu_t during
* pred unit and transform tree parsing.
*/
parse_cu_t s_cu;
/**
* Pointer to pu_map for the current frame being parsed
*/
UWORD8 *pu1_pic_pu_map;
/**
* Pointer to frame level pu_t for the current frame being parsed
* where MVs and Intra pred modes will be updated
*/
pu_t *ps_pic_pu;
/**
* Pointer to tu_map for the current frame being parsed
*/
UWORD8 *pu1_pic_tu_map;
/**
* Pointer to frame level tu_t for the current frame being parsed
* where transform unit related info will be updated
*/
tu_t *ps_pic_tu;
/**
* Points to an array of TU indices which is used to identify
* start index of tu_t in ps_pic_tu and also to identify number of
* TUs in the current CTB by subtracting current idx from next CTB's
* TU idx
*/
UWORD32 *pu4_pic_tu_idx;
/**
* Points to an array of PU indices which is used to identify
* start index of pu_t in ps_pic_pu and also to identify number of
* PUs in the current CTB by subtracting current idx from next CTB's
* PU idx
*/
UWORD32 *pu4_pic_pu_idx;
/**
* Current pictures intra mode map at 8x8 level
*/
UWORD8 *pu1_pic_intra_flag;
/**
* Current pictures loop filter flag map at 8x8 level
*/
UWORD8 *pu1_pic_no_loop_filter_flag;
/**
* Array to hold one row (top) of skip_flag flag stored at (8x8) level
* 1 bit per (8x8)
* read and written as a UWORD32
* LSB gives skip_flag for 0th 8x8 and MSB gives skip_flag for 31st 8x8 and so on
* This is independent of CTB size or minCU size
* Packed format requires extra calculations in extracting required bits but makes it easier
* to store skip data for larger sizes such as 32 x 32 where 4 bits need to be set instead of
* 4 bytes or for 64 x 64 where 8 bits need to be set instead of 8 bytes.
*/
UWORD32 *pu4_skip_cu_top;
/**
* Array to hold one 64 pixel column (left) of skip_flag flag stored at (8x8) level
* 1 bit per (8x8)
* read and written as a UWORD32
* LSB gives skip_flag for 0th 8x8 and MSB gives skip for 31st 8x8 and so on
* This is independent of CTB size and allocated to store data for 64 pixels, of
* this only first ctb_size number of bits (starting from MSB) will have valid data
* This is also independent of min CU size and data is stored at 8x8 level.
* Since only 8 bits are needed to represent left 64 pixels at 8x8 level, this is not an array
*/
UWORD32 u4_skip_cu_left;
/**
* Array to hold one row (top) of coding_tree_depth stored at (8x8) level
* 2 bits per (8x8) pixels
* read and written as a WORD32
* 2 LSBits give coding_tree_depth for 0th 8x8 and 2 MSBits give coding_tree_depth for 15th 8x8 and so on
* This is independent of CTB size or minCU size
*/
UWORD32 *pu4_ct_depth_top;
/**
* Array to hold one 64 pixel column (left) of coding_tree_depth stored at (8x8) level
* 2 bits per (8x8) pixels
* read and written as a WORD32
* 2 LSBits give coding_tree_depth for 0th 8x8 and 2 MSBits give coding_tree_depth for 15th 8x8 and so on
* This is independent of CTB size and allocated to store data for 64 pixels, of
* this only first ctb_size * 2 number of bits (starting from MSB) will have valid data
* This is also independent of min CU size and data is stored at 8x8 level.
* Since only 16 bits are needed to represent left 64 pixels at 8x8 level, this is not an array
*/
UWORD32 u4_ct_depth_left;
/**
* Array to hold top (one row) luma_intra_pred_mode stored at (4x4) level for a CTB
* 8 bits per (4x4) pixels
* read and written as a UWORD8
* This is independent of CTB size or minCU size
* This is independent of CTB size and allocated to store data for 64 pixels i.e. 64 bits is the size
* Note this data is used only within a CTB, There is no inter CTB dependencies for this
*/
UWORD8 *pu1_luma_intra_pred_mode_top;
/**
* Array to hold left (one column) luma_intra_pred_mode stored at (4x4) level for a CTB
* 8 bits per (4x4) pixels
* read and written as a UWORD8
* This is independent of CTB size and allocated to store data for 64 pixels i.e. 64 bits is the size
* This is also independent of min CU size and data is stored at 8x8 level.
* This is used for prediction of next CTB within a row in a slice or tile
*/
UWORD8 *pu1_luma_intra_pred_mode_left;
/**
* Pointer to base of Video parameter set structure array
*/
vps_t *ps_vps_base;
/**
* Pointer to base of Sequence parameter set structure array
*/
sps_t *ps_sps_base;
/**
* Pointer to base of Picture parameter set structure array
*/
pps_t *ps_pps_base;
/**
* Pointer to base of slice header structure array
*/
slice_header_t *ps_slice_hdr_base;
/**
* Pointer to current slice header structure
*/
slice_header_t *ps_slice_hdr;
/**
* Error code during parse stage
*/
WORD32 i4_error_code;
/**
* Void pointer to process job context
*/
void *pv_proc_jobq;
/* Cabac context */
cab_ctxt_t s_cabac;
/* Current Coding tree depth */
WORD32 i4_ct_depth;
/** Flag to signal end of frame */
WORD32 i4_end_of_frame;
/**
* Index of the next CTB parsed
*/
WORD32 i4_next_ctb_indx;
/**
* Pointer to the structure that contains BS and QP frame level arrays
*/
bs_ctxt_t s_bs_ctxt;
/**
* Pointer to the structure that contains deblock context
*/
deblk_ctxt_t s_deblk_ctxt;
/**
* Pointer to the structure that contains sao context
*/
sao_ctxt_t s_sao_ctxt;
/**
* QP Array for the current CTB
* Used in QP prediction
*/
WORD8 ai1_8x8_cu_qp[MAX_CU_IN_CTB];
/**
* Pointer to frame level sao_t for the current frame being parsed
*/
sao_t *ps_pic_sao;
/**
* Abs POC count of the frame
*/
WORD32 i4_abs_pic_order_cnt;
/**
* Pointer points to mv_buffer of current frame
*/
mv_buf_t *ps_cur_mv_buf;
/**
* Variable to store the next ctb count to compute pu idx
*/
WORD32 i4_next_pu_ctb_cnt;
/**
* Variable to store the next ctb count to compute tu idx
*/
WORD32 i4_next_tu_ctb_cnt;
#ifndef DISABLE_SEI
/**
* SEI parameters
*/
sei_params_t s_sei_params;
#endif
#ifdef ENABLE_MAIN_REXT_PROFILE
/**
* Flag to indicate if chroma QP offset has been parsed for the current CU
*/
WORD32 i4_is_cu_chroma_qp_offset_coded;
/**
* Parsed chroma QP offset flag for the current CU
*/
WORD32 i4_cu_chroma_qp_offset_flag;
/**
* Parsed chroma QP offset index for the current CU
*/
WORD32 i4_cu_chroma_qp_offset_idx;
#endif
}parse_ctxt_t;
/**
* Pixel processing thread context
*/
typedef struct
{
/* Pointer to codec context
*
*/
codec_t *ps_codec;
/**
* CTB's x position within a picture in raster scan in CTB units
*/
WORD32 i4_ctb_x;
/**
* CTB's y position within a picture in raster scan in CTB units
*/
WORD32 i4_ctb_y;
/**
* CTB's x position within a Tile in raster scan in CTB units
*/
WORD32 i4_ctb_tile_x;
/**
* CTB's y position within a Tile in raster scan in CTB units
*/
WORD32 i4_ctb_tile_y;
/**
* CTB's x position within a Slice in raster scan in CTB units
*/
WORD32 i4_ctb_slice_x;
/**
* CTB's y position within a Slice in raster scan in CTB units
*/
WORD32 i4_ctb_slice_y;
/**
* Current tile being processed
*/
tile_t *ps_tile;
/**
* Current slice idx - Used in multi-core cases to store slice index for
* each ctb for sao filtering.
*/
WORD32 i4_cur_slice_idx;
/**
* Current tile idx - Used in multi-core cases to store tile index for
* each ctb for sao filtering.
*/
WORD32 i4_cur_tile_idx;
/**
* Pointer to current PPS
*/
pps_t *ps_pps;
/**
* Pointer to current SPS
*/
sps_t *ps_sps;
/**
* Pointer to current slice header structure
*/
slice_header_t *ps_slice_hdr;
/**
* Error code during parse stage
*/
WORD32 i4_error_code;
/**
* Signal that pic_init is called first time
*/
WORD32 i4_first_pic_init;
/**
* Pointer frame level TU subblock coeff data
*/
void *pv_pic_tu_coeff_data;
/**
* Pointer to TU subblock coeff data and number of subblocks and scan idx
* Incremented each time a coded subblock is processed
*
*/
void *pv_tu_coeff_data;
/**
* Current TU structure - set to CTB tu_t pointer at the start of CTB processing and incremented
* for every TU
*/
tu_t *ps_tu;
/**
* Current ctb's TU map
*/
UWORD8 *pu1_tu_map;
/**
* Current PU structure - set to CTB pu_t pointer at the start of CTB processing and incremented
* for every TU
*/
pu_t *ps_pu;
/**
* Points to an array of TU indices which is used to identify
* start index of tu_t in ps_pic_tu and also to identify number of
* TUs in the current CTB by subtracting current idx from next CTB's
* TU idx
*/
UWORD32 *pu4_pic_tu_idx;
/**
* Points to an array of PU indices which is used to identify
* start index of pu_t in ps_pic_pu and also to identify number of
* PUs in the current CTB by subtracting current idx from next CTB's
* PU idx
*/
UWORD32 *pu4_pic_pu_idx;
/**
* Pointer to tu_map for the current frame being parsed
*/
UWORD8 *pu1_pic_tu_map;
/**
* Pointer to pu_map for the current frame being parsed
* where MVs and Intra pred modes will be updated
*/
UWORD8 *pu1_pic_pu_map;
/**
* Pointer to frame level pu_t for the current frame being parsed
* where MVs and Intra pred modes will be updated
*/
pu_t *ps_pic_pu;
/** PU Index map per CTB. The indices in this map are w.r.t picture pu array and not
* w.r.t CTB pu array.
* This will be used during mv prediction and since neighbours will have different CTB pu map
* it will be easier if they all have indices w.r.t picture level PU array rather than CTB level
* PU array.
* pu1_pic_pu_map is map w.r.t CTB's pu_t array
*/
UWORD32 *pu4_pic_pu_idx_map;
/**
* PU Index of top 4x4 neighbors stored for an entire row
*/
UWORD32 *pu4_pic_pu_idx_top;
/**
* PU Index of left 4x4 neighbors stored for 64 pixels
*/
UWORD32 *pu4_pic_pu_idx_left;
/**
* Holds top left PU index at CTB level - top left gets overwritten
* by left CTB while updating top array. Before updating top at CTB
* level required top-left index is backed up in the following
*/
UWORD32 u4_ctb_top_left_pu_idx;
/**
* Pointer to frame level tu_t for the current frame being parsed
* where transform unit related info will be updated
*/
tu_t *ps_pic_tu;
/**
* Current PU structure - set to CTB pu_map pointer at the start of CTB parsing
*/
UWORD8 *pu1_pu_map;
/** Current MV Bank's buffer ID */
WORD32 i4_cur_mv_bank_buf_id;
/**
* Current pictures intra mode map at 8x8 level
*/
UWORD8 *pu1_pic_intra_flag;
/**
* Current pictures loop filter flag map at 8x8 level
*/
UWORD8 *pu1_pic_no_loop_filter_flag;
/**
* Void pointer to process job context
*/
void *pv_proc_jobq;
/**
* Number of CTBs to be processed in the current Job
*/
WORD32 i4_ctb_cnt;
/**
* ID for the current context - Used for debugging
*/
WORD32 i4_id;
/**
* Flag to indicate if parsing status has to be checked
* Needed when parsing and processing are done in different threads
*/
WORD32 i4_check_parse_status;
/**
* Flag to indicate if processing status of top row CTBs has to be checked
* Needed when processing of different rows is done in different threads
*/
WORD32 i4_check_proc_status;
/**
* Holds Intra dequantization matrices
*/
WORD16 *api2_dequant_intra_matrix[4];
/**
* Holds Inter dequantization matrices
*/
WORD16 *api2_dequant_inter_matrix[4];
/**
* Temporary buffer 1 - Used as a scratch in inter_pred_ctb()
*/
WORD16 *pi2_inter_pred_tmp_buf1;
/**
* Temporary buffer 2 - Used as a scratch in inter_pred_ctb()
*/
WORD16 *pi2_inter_pred_tmp_buf2;
/**
* Temporary buffer 3 - Used as a scratch in inter_pred_ctb()
*/
WORD16 *pi2_inter_pred_tmp_buf3;
/**
* The above temporary buffers' stride
*/
WORD32 i4_inter_pred_tmp_buf_strd;
/**
* Picture stride
* Used as prediction stride, destination stride while computing inverse transform
*/
WORD32 i4_pic_strd;
/**
* Picture qp offset for U
*/
WORD8 i1_pic_cb_qp_offset;
/**
* Slice qp offset for U
*/
WORD32 i1_slice_cb_qp_offset;
/**
* Picture qp offset for V
*/
WORD8 i1_pic_cr_qp_offset;
/**
* Slice qp offset for V
*/
WORD32 i1_slice_cr_qp_offset;
/** Pointer to current picture buffer structure */
pic_buf_t *ps_cur_pic;
/** Current pic_buf's picture buffer id */
WORD32 i4_cur_pic_buf_id;
/** Pointer to 0th luma pixel in current pic */
UWORD8 *pu1_cur_pic_luma;
/** Pointer to 0th chroma pixel in current pic */
UWORD8 *pu1_cur_pic_chroma;
/** Intermediate buffer to be used during inverse transform */
WORD16 *pi2_itrans_intrmd_buf;
#ifdef ENABLE_MAIN_REXT_PROFILE
/**
* residue buffer to be store output of inverse transform.
* Only used for frext tool sets
*/
WORD16 *pi2_res_luma_buf;
WORD16 *pi2_res_chroma_buf;
#endif
/** Buffer to hold output of inverse scan */
WORD16 *pi2_invscan_out;
#ifdef ENABLE_MAIN_REXT_PROFILE
WORD16 *pi2_invscan_out_subtu;
#endif
/**
* Top availability for current CTB level
*/
UWORD8 u1_top_ctb_avail;
/**
* Top right availability for current CTB level
*/
UWORD8 u1_top_rt_ctb_avail;
/**
* Top left availability for current CTB level
*/
UWORD8 u1_top_lt_ctb_avail;
/**
* left availability for current CTB level
*/
UWORD8 u1_left_ctb_avail;
/**
* TU count in current CTB
*/
WORD32 i4_ctb_tu_cnt;
/**
* Recon pointer to current CTB luma
*/
UWORD8 *pu1_cur_ctb_luma;
/**
* Recon pointer to current CTB chroma
*/
UWORD8 *pu1_cur_ctb_chroma;
/**
* PU count in current CTB
*/
WORD32 i4_ctb_pu_cnt;
/**
* PU count in current CTB
*/
WORD32 i4_ctb_start_pu_idx;
/* Pointer to a structure describing output display buffer */
ivd_out_bufdesc_t *ps_out_buffer;
/** Flag to indicate if ps_proc was intialized at least once in a frame.
* This is needed to handle cases where a core starts to handle format conversion jobs directly
*/
WORD32 i4_init_done;
/**
* Pointer to the structure that contains BS and QP frame level arrays
*/
bs_ctxt_t s_bs_ctxt;
/**
* Pointer to the structure that contains deblock context
*/
deblk_ctxt_t s_deblk_ctxt;
/**
* Pointer to the structure that contains sao context
*/
sao_ctxt_t s_sao_ctxt;
/**
* Points to the array of slice indices which is used to identify the independent
* slice to which each CTB in a frame belongs.
*/
UWORD16 *pu1_slice_idx;
/**
* Points to the array of slice indices which is used to identify the slice
* to which each CTB in a frame belongs.
*/
UWORD16 *pu1_tile_idx;
/**
* Variable to store the next ctb count to compute pu idx
*/
WORD32 i4_next_pu_ctb_cnt;
/**
* Variable to store the next ctb count to compute tu idx
*/
WORD32 i4_next_tu_ctb_cnt;
/**
* Number of ctb's to process in one loop
*/
WORD32 i4_nctb;
}process_ctxt_t;
/**
* Reference mapping from pic_buf_id to pointers to corresponding qp_map and CU_type_map
*/
typedef struct
{
/**
* qp_map buffer
*/
UWORD8 *pu1_qp_map;
/**
* CU_type buffer
*/
UWORD8 *pu1_cu_type_map;
}ref_map_t;
typedef void (*pf_inter_pred)(void *,
void *,
WORD32,
WORD32,
WORD8 *,
WORD32,
WORD32);
typedef void (*pf_intra_pred)(UWORD8 *pu1_ref,
WORD32 src_strd,
UWORD8 *pu1_dst,
WORD32 dst_strd,
WORD32 nt,
WORD32 mode);
typedef void (*pf_itrans_res)(WORD16 *pi2_src,
WORD16 *pi2_tmp,
WORD16 *pi2_dst,
WORD32 i4_src_strd,
WORD32 i4_dst_strd,
WORD32 zero_cols,
WORD32 zero_rows);
typedef void (*pf_itrans_recon)(WORD16 *pi2_src,
WORD16 *pi2_tmp,
UWORD8 *pu1_pred,
UWORD8 *pu1_dst,
WORD32 src_strd,
WORD32 pred_strd,
WORD32 dst_strd,
WORD32 zero_cols,
WORD32 zero_rows);
typedef void (*pf_recon)(WORD16 *pi2_src,
UWORD8 *pu1_pred,
UWORD8 *pu1_dst,
WORD32 src_strd,
WORD32 pred_strd,
WORD32 dst_strd,
WORD32 zero_cols);
typedef void (*pf_itrans_recon_dc)(UWORD8 *pu1_pred,
UWORD8 *pu1_dst,
WORD32 pred_strd,
WORD32 dst_strd,
WORD32 log2_trans_size,
WORD16 i2_coeff_value);
typedef void (*pf_itrans_res_dc)(WORD16 *pi2_dst,
WORD32 dst_strd,
WORD32 log2_trans_size,
WORD16 i2_coeff_value);
typedef void (*pf_hbd_itrans_recon_dc)(UWORD16 *pu2_pred,
UWORD16 *pu2_dst,
WORD32 pred_strd,
WORD32 dst_strd,
WORD32 log2_trans_size,
WORD16 i2_coeff_value,
WORD32 i4_bit_depth);
typedef void (*pf_hbd_itrans_recon)(WORD16 *pi2_src,
WORD16 *pi2_tmp,
UWORD16 *pu2_pred,
UWORD16 *pu2_dst,
WORD32 i4_src_strd,
WORD32 i4_pred_strd,
WORD32 i4_dst_strd,
WORD32 i4_zero_cols,
WORD32 i4_zero_rows,
UWORD8 u1_bit_depth);
typedef void (*pf_hbd_recon)(WORD16 *pi2_src,
UWORD16 *pu2_pred,
UWORD16 *pu2_dst,
WORD32 i4_src_strd,
WORD32 i4_pred_strd,
WORD32 i4_dst_strd,
WORD32 i4_zero_cols,
UWORD8 u1_bit_depth);
typedef void (*pf_hbd_intra_pred_luma)(UWORD16 *pu2_ref,
WORD32 src_strd,
UWORD16 *pu2_dst,
WORD32 dst_strd,
WORD32 nt,
WORD32 mode,
UWORD8 bit_depth);
typedef void (*pf_hbd_intra_pred_chroma)(UWORD16 *pu2_ref,
WORD32 src_strd,
UWORD16 *pu2_dst,
WORD32 dst_strd,
WORD32 nt,
WORD32 mode);
typedef void (*pf_sao_luma)(UWORD8 *,
WORD32,
UWORD8 *,
UWORD8 *,
UWORD8 *,
UWORD8 *,
UWORD8 *,
UWORD8 *,
WORD8 *,
WORD32,
WORD32);
typedef void (*pf_sao_chroma)(UWORD8 *,
WORD32,
UWORD8 *,
UWORD8 *,
UWORD8 *,
UWORD8 *,
UWORD8 *,
UWORD8 *,
WORD8 *,
WORD8 *,
WORD32,
WORD32);
typedef void (*pf_hbd_sao_luma)(UWORD16 *,
WORD32,
UWORD16 *,
UWORD16 *,
UWORD16 *,
UWORD16 *,
UWORD16 *,
UWORD8 *,
WORD8 *,
WORD32,
WORD32,
UWORD32);
typedef void (*pf_hbd_sao_chroma)(UWORD16 *,
WORD32,
UWORD16 *,
UWORD16 *,
UWORD16 *,
UWORD16 *,
UWORD16 *,
UWORD8 *,
WORD8 *,
WORD8 *,
WORD32,
WORD32,
UWORD32);
typedef void (*pf_hbd_inter_pred)(void *,
void *,
WORD32,
WORD32,
WORD8 *,
WORD32,
WORD32,
UWORD8);
/**
* Codec context
*/
struct _codec_t
{
/**
* Width : pic_width_in_luma_samples
*/
WORD32 i4_wd;
/**
* Height : pic_height_in_luma_samples
*/
WORD32 i4_ht;
/**
* Display width after cropping
*/
WORD32 i4_disp_wd;
/**
* Display height after cropping
*/
WORD32 i4_disp_ht;
/**
* Display stride
*/
WORD32 i4_disp_strd;
/**
* Stride of reference buffers.
* For shared mode even display buffer will use the same stride
*/
WORD32 i4_strd;
/**
* Profile specified during init
*/
WORD32 i4_profile;
/**
* Number of cores to be used
*/
WORD32 i4_num_cores;
/**
* RASL output flag
*/
WORD32 i4_rasl_output_flag;
/**
* This flag is set if the next picture received is a CRA and has to be treated as a first pic in the video sequence
* For example, it is set, if an EOS (end of stream) NAL is received
*/
WORD32 i4_cra_as_first_pic;
/**
* Pictures that are are degraded
* 0 : No degrade
* 1 : Only on non-reference frames
* 2 : Use interval specified by u4_nondegrade_interval
* 3 : All non-key frames
* 4 : All frames
*/
WORD32 i4_degrade_pics;
/**
* Interval for pictures which are completely decoded without any degradation
*/
WORD32 i4_nondegrade_interval;
/**
* bit position (lsb is zero): Type of degradation
* 0 : Disable SAO
* 1 : Disable deblocking
* 2 : Faster inter prediction filters
* 3 : Fastest inter prediction filters
*/
WORD32 i4_degrade_type;
/** Degrade pic count, Used to maintain the interval between non-degraded pics
*
*/
WORD32 i4_degrade_pic_cnt;
/**
* Total number of display buffers to be used
* In case of shared mode, this will be number of reference frames
*/
WORD32 i4_num_disp_bufs;
/**
* Flag to enable shared display buffer mode
*/
WORD32 i4_share_disp_buf;
/**
* Chroma format of display buffers.
In shared mode only 420SP_UV and 420SP_VU are supported
*/
IV_COLOR_FORMAT_T e_chroma_fmt;
/**
* Chroma format of reference buffers.
* In non-shared mode it will be 420SP_UV
* In shared mode only 420SP_UV and 420SP_VU are supported
*/
IV_COLOR_FORMAT_T e_ref_chroma_fmt;
/**
* ChromaArrayType
*/
WORD32 i4_chroma_array_type;
/**
* Luma bit depth - 8 and 10 bits are supported
*/
WORD32 i4_bit_depth_luma;
/**
* Chroma bit depth - 8 and 10 bits are supported
*/
WORD32 i4_bit_depth_chroma;
/**
* Luma sample size in bytes - 1 for 8 bit, 2 for hbd
*/
WORD32 i4_pixel_size_y;
/**
* Chroma sample size in bytes - 1 for 8 bit, 2 for hbd
*/
WORD32 i4_pixel_size_uv;
/**
* SubWidthC
*/
WORD32 i4_sub_width_chroma;
/**
* SubHeightC
*/
WORD32 i4_sub_height_chroma;
/**
* QP bit depth Offset luma
*/
WORD32 i4_qp_bd_offset_y;
/**
* QP bit depth Offset chroma
*/
WORD32 i4_qp_bd_offset_uv;
/**
* Frame skip mode
*/
IVD_FRAME_SKIP_MODE_T e_pic_skip_mode;
/**
* Display or decode order dump of output
*/
IVD_DISPLAY_FRAME_OUT_MODE_T e_pic_out_order;
/**
* Coding type of the picture that is decoded
*/
IV_PICTURE_CODING_TYPE_T e_dec_pic_type;
/**
* Flag to signal if a frame was decoded in this call
*/
WORD32 i4_pic_decoded;
/**
* Flag to signal if picture data is present in the current input bitstream
*/
WORD32 i4_pic_present;
/**
* Flag to disable deblocking of a frame
*/
WORD32 i4_disable_deblk_pic;
/**
* Flag to disable sao of a frame
*/
WORD32 i4_disable_sao_pic;
/**
* Flag to use full pel MC
*/
WORD32 i4_fullpel_inter_pred;
/**
* Flush mode
*/
WORD32 i4_flush_mode;
/**
* Decode header mode
*/
WORD32 i4_header_mode;
/**
* Header in slice mode
*/
WORD32 i4_header_in_slice_mode;
/**
* Flag to signal sps done
*/
WORD32 i4_sps_done;
/**
* Flag to signal pps done
*/
WORD32 i4_pps_done;
/**
* To signal successful completion of init
*/
WORD32 i4_init_done;
/**
* To signal that at least one picture was decoded
*/
WORD32 i4_first_pic_done;
/**
* To signal error in slice
*/
WORD32 i4_slice_error;
/**
* Reset flag - Codec is reset if this flag is set
*/
WORD32 i4_reset_flag;
/**
* Number of pictures decoded till now
*/
UWORD32 u4_pic_cnt;
/**
* Number of pictures displayed till now
*/
UWORD32 u4_disp_cnt;
/**
* Current error code
*/
WORD32 i4_error_code;
/**
* Pointer to input bitstream. This is incremented everytime a NAL is processed
*/
UWORD8 *pu1_inp_bitsbuf;
/**
* Offset to first byte after the start code in current NAL
*/
WORD32 i4_nal_ofst;
/**
* Length of the NAL unit including the emulation bytes
*/
WORD32 i4_nal_len;
/**
* Number of emulation prevention bytes present in the current NAL
*/
WORD32 i4_num_emln_bytes;
/**
* Number of bytes remaining in the input bitstream
*/
/**
* Decremented everytime a NAL is processed
*/
WORD32 i4_bytes_remaining;
/**
* Pointer to bitstream after emulation prevention
*/
UWORD8 *pu1_bitsbuf;
/**
* Pointer to static bitstream after emulation prevention
* This is a fixed size buffer used initially till SPS is decoded
*/
UWORD8 *pu1_bitsbuf_static;
/**
* Pointer to dynamic bitstream after emulation prevention
* This is allocated after SPS is done, based on width and height
*/
UWORD8 *pu1_bitsbuf_dynamic;
/**
* Size of intermediate bitstream buffer
*/
UWORD32 u4_bitsbuf_size;
/**
* Size of intermediate static bitstream buffer
*/
UWORD32 u4_bitsbuf_size_static;
/**
* Size of intermediate dynamic bitstream buffer
*/
UWORD32 u4_bitsbuf_size_dynamic;
/**
* Bitmask specifying the set of supported YUV output formats
*/
UWORD32 u4_enable_yuv_formats;
/**
* Pointer to hold TU data for a set of CTBs or a picture
*/
void *pv_tu_data;
/**
* Process Job queue buffer base
*/
void *pv_proc_jobq_buf;
/**
* Process Job Queue mem tab size
*/
WORD32 i4_proc_jobq_buf_size;
/** Parse status: one byte per CTB */
UWORD8 *pu1_parse_map;
/** Process status: one byte per CTB */
UWORD8 *pu1_proc_map;
/**
* Current pictures intra mode map at 8x8 level
*/
UWORD8 *pu1_pic_intra_flag;
/**
* No LPF buffer base
*/
UWORD8 *pu1_pic_no_loop_filter_flag_base;
/**
* Current pictures loop filter flag map at 8x8 level
*/
UWORD8 *pu1_pic_no_loop_filter_flag;
/**
* MV Bank buffer manager
*/
void *pv_mv_buf_mgr;
/**
* Pointer to MV Buf structure array
*/
void *ps_mv_buf;
/** Holds the number of mv_buf_t structures allocated */
WORD32 i4_max_dpb_size;
/**
* Base address for Motion Vector bank buffer
*/
void *pv_mv_bank_buf_base;
/**
* MV Bank size allocated
*/
WORD32 i4_total_mv_bank_size;
/**
* Picture buffer manager
*/
void *pv_pic_buf_mgr;
/**
* Pointer to Pic Buf structure array
*/
void *ps_pic_buf;
/**
* Base address for Picture buffer
*/
void *pv_pic_buf_base;
/**
* Total pic buffer size allocated
*/
WORD32 i4_total_pic_buf_size;
/**
* Current chroma buffer base - used for shared mode with 420p output
*/
UWORD8 *pu1_cur_chroma_ref_buf;
/**
* Picture buffer manager
*/
void *pv_disp_buf_mgr;
/**
* Current display buffer's buffer ID
*/
WORD32 i4_disp_buf_id;
/**
* Current display buffer
*/
pic_buf_t *ps_disp_buf;
/**
* Pointer to dpb manager structure
*/
void *pv_dpb_mgr;
/**
* Scaling matrices for each PPS
*/
WORD16 *pi2_scaling_mat;
/**
* Array containing Tile information for each PPS
*/
tile_t *ps_tile;
/**
* Timestamp associated with the current display output
*/
UWORD32 u4_ts;
/**
* Enable CU_info
*/
UWORD8 u1_enable_cu_info;
/**
* Ref mapping from pic_buf_id to corresponding CU_info maps
*/
ref_map_t as_buf_id_info_map[MAX_CU_INFO_BUF_CNT];
/**
* Total no of 8x8 blocks in luma samples
*/
WORD32 u4_num_8x8_blks;
/**
* Pointer to base of qp_map buffer array
*/
UWORD8 *pu1_qp_map_base;
/**
* Pointer to base of CU_type_map buffer array
*/
UWORD8 *pu1_cu_type_map_base;
/**
* Pointer to base of Video parameter set structure array
*/
vps_t *ps_vps_base;
/**
* Pointer to base of Sequence parameter set structure array
*/
sps_t *ps_sps_base;
/**
* Pointer to base of Picture parameter set structure array
*/
pps_t *ps_pps_base;
/**
* Pointer to base of slice header structure array
*/
slice_header_t *ps_slice_hdr_base;
/**
* Pointer to base of entry point offsets in a frame
*/
WORD32 *pi4_entry_ofst;
/**
* Current offset in pi4_entry_ofst
*/
WORD32 i4_cur_entry_ofst;
/**
* Parsing context
*/
parse_ctxt_t s_parse;
/**
* Condition variable to signal process start
*/
void *apv_proc_start_condition[MAX_PROCESS_THREADS];
/**
* Mutex used to keep the functions thread-safe
*/
void *apv_proc_start_mutex[MAX_PROCESS_THREADS];
/**
* Process state start- One for each thread
*/
WORD32 ai4_process_start[MAX_PROCESS_THREADS];
/**
* Condition variable to signal process done
*/
void *apv_proc_done_condition[MAX_PROCESS_THREADS];
/**
* Mutex used to keep the functions thread-safe
*/
void *apv_proc_done_mutex[MAX_PROCESS_THREADS];
/**
* Process state end- One for each thread
*/
WORD32 ai4_process_done[MAX_PROCESS_THREADS];
/**
* Flag to signal processing thread to exit
*/
WORD32 i4_break_threads;
/**
* Processing context - One for each processing thread
*/
process_ctxt_t as_process[MAX_PROCESS_THREADS];
/**
* Thread handle for each of the processing threads
*/
void *apv_process_thread_handle[MAX_PROCESS_THREADS];
/**
* Thread created flag for each of the processing threads
*/
WORD32 ai4_process_thread_created[MAX_PROCESS_THREADS];
/**
* Void pointer to process job context
*/
void *pv_proc_jobq;
/* Number of CTBs processed together for better instruction cache handling */
WORD32 i4_proc_nctb;
/**
* Previous POC lsb
*/
WORD32 i4_prev_poc_lsb;
/**
* Previous POC msb
*/
WORD32 i4_prev_poc_msb;
/**
* Max POC lsb that has arrived till now
*/
WORD32 i4_max_prev_poc_lsb;
/** Context for format conversion */
fmt_conv_t s_fmt_conv;
/** Pointer to a structure describing output display buffer */
ivd_out_bufdesc_t *ps_out_buffer;
/**
* Variable to store the next ctb count to compute pu idx
*/
WORD32 i4_next_pu_ctb_cnt;
/**
* Variable to store the next ctb count to compute tu idx
*/
WORD32 i4_next_tu_ctb_cnt;
/** Active SPS id - mainly to be used during codec initializations in shared mode */
WORD32 i4_sps_id;
/** Number of ctbs to be decoded in one process call */
UWORD32 u4_nctb;
/** Flag to enable scheduling of format conversion jobs ahead of processing jobs */
UWORD32 u4_enable_fmt_conv_ahead;
/** Mask used to change MVs to full pel when configured to run in reduced complexity mode */
WORD32 i4_mv_frac_mask;
/** Memory holding tile indices */
UWORD8 *pu1_tile_idx_base;
/** Callback for aligned allocation */
void *(*pf_aligned_alloc)(void *pv_mem_ctxt, WORD32 alignment, WORD32 size);
/** Callback for aligned free */
void (*pf_aligned_free)(void *pv_mem_ctxt, void *pv_buf);
/** Memory context passed from application */
void *pv_mem_ctxt;
/** Base address of reference buffrers allocated */
UWORD8 *pu1_ref_pic_buf_base;
/** Flag to indicate if dynamic buffers are allocated */
UWORD32 u4_allocate_dynamic_done;
/** Flag to signal display order */
IVD_DISPLAY_FRAME_OUT_MODE_T e_frm_out_mode;
/** Funtion pointers for inter_pred leaf level functions */
pf_inter_pred apf_inter_pred[22];
/** Funtion pointers for inter_pred_luma leaf level functions */
pf_intra_pred apf_intra_pred_luma[11];
/** Funtion pointers for inter_pred_chroma leaf level functions */
pf_intra_pred apf_intra_pred_chroma[11];
/** Funtion pointers for itrans leaf level functions */
pf_itrans_res apf_itrans_res[5];
/** Funtion pointers for itrans_recon leaf level functions */
pf_itrans_recon apf_itrans_recon[9];
/** Funtion pointers for recon leaf level functions */
pf_recon apf_recon[9];
/** Funtion pointers for itrans_recon_dc leaf level functions */
pf_itrans_recon_dc apf_itrans_recon_dc[2];
/** Funtion pointers for itrans dc leaf level functions */
pf_itrans_res_dc apf_itrans_res_dc;
/** Funtion pointers for sao_luma leaf level functions */
pf_sao_luma apf_sao_luma[4];
/** Funtion pointers for sao_chroma leaf level functions */
pf_sao_chroma apf_sao_chroma[4];
/* HBD function pointers */
pf_hbd_intra_pred_luma *ppf_hbd_intra_pred_luma;
pf_hbd_intra_pred_chroma *ppf_hbd_intra_pred_chroma;
pf_hbd_itrans_recon *ppf_hbd_itrans_recon;
pf_hbd_itrans_recon_dc *ppf_hbd_itrans_recon_dc;
pf_hbd_recon *ppf_hbd_recon;
pf_hbd_sao_luma *ppf_hbd_sao_luma;
pf_hbd_sao_chroma *ppf_hbd_sao_chroma;
pf_hbd_inter_pred *ppf_hbd_inter_pred;
/* Function pointer for parse residual coding */
void *pv_parse_residual_coding;
/* Function pointer for IQ, IT, recon CTB */
void *pv_iquant_itrans_recon_ctb;
/** Funtion pointers for all the leaf level functions */
func_selector_t s_func_selector;
/** Processor architecture */
IV_ARCH_T e_processor_arch;
/** Processor soc */
IV_SOC_T e_processor_soc;
/** Display buffer array - for shared mode */
ivd_out_bufdesc_t s_disp_buffer[IVD_VIDDEC_MAX_IO_BUFFERS];
/** Number of active display buffers - for shared mode */
WORD32 i4_share_disp_buf_cnt;
WORD32 i4_threads_active;
};
#endif /* _IHEVCD_STRUCTS_H_ */
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