| /****************************************************************************** |
| * |
| * Copyright (C) 2015 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 ih264d_utils.c |
| * |
| * \brief |
| * Contains routines that handle of start and end of pic processing |
| * |
| * \date |
| * 19/12/2002 |
| * |
| * \author AI |
| ************************************************************************** |
| */ |
| |
| #include <string.h> |
| #include "ih264_typedefs.h" |
| #include "ithread.h" |
| #include "ih264d_deblocking.h" |
| #include "ih264d_parse_slice.h" |
| #include "ih264d_parse_cavlc.h" |
| #include "ih264d_dpb_manager.h" |
| #include "ih264d_defs.h" |
| #include "ih264d_structs.h" |
| #include "ih264d_mem_request.h" |
| #include "ih264_typedefs.h" |
| #include "ih264_macros.h" |
| #include "ih264_platform_macros.h" |
| #include "ih264d_tables.h" |
| #include "ih264d_debug.h" |
| #include "ih264d_mb_utils.h" |
| #include "ih264d_error_handler.h" |
| #include "ih264d_dpb_manager.h" |
| #include "ih264d_utils.h" |
| #include "ih264d_defs.h" |
| #include "ih264d_tables.h" |
| #include "ih264d_inter_pred.h" |
| #include "ih264d_dpb_manager.h" |
| #include "iv.h" |
| #include "ivd.h" |
| #include "ih264d_format_conv.h" |
| #include "ih264_error.h" |
| #include "ih264_disp_mgr.h" |
| #include "ih264_buf_mgr.h" |
| #include "ih264d_utils.h" |
| |
| /*! |
| ************************************************************************** |
| * \if Function name : ih264d_is_end_of_pic \endif |
| * |
| * \brief |
| * Determines whether current slice is first slice of a new picture as |
| * defined in 7.4.1.2.4 of 14496-10. |
| * |
| * \return |
| * Return 1 if current slice is first slice of a new picture |
| * Otherwise it returns 0 |
| ************************************************************************** |
| */ |
| UWORD8 ih264d_is_end_of_pic(UWORD16 u2_frame_num, |
| UWORD8 u1_nal_ref_idc, |
| pocstruct_t *ps_cur_poc, |
| pocstruct_t *ps_prev_poc, |
| dec_slice_params_t * ps_prev_slice, /*!< Previous slice parameters*/ |
| UWORD8 u1_pic_order_cnt_type, |
| UWORD8 u1_nal_unit_type, |
| UWORD32 u4_idr_pic_id, |
| UWORD8 u1_field_pic_flag, |
| UWORD8 u1_bottom_field_flag) |
| { |
| WORD8 i1_is_end_of_pic; |
| WORD8 a, b, c, d, e, f, g, h; |
| |
| a = b = c = d = e = f = g = h = 0; |
| a = (ps_prev_slice->u2_frame_num != u2_frame_num); |
| b = (ps_prev_slice->u1_field_pic_flag != u1_field_pic_flag); |
| if(u1_field_pic_flag && ps_prev_slice->u1_field_pic_flag) |
| c = (u1_bottom_field_flag != ps_prev_slice->u1_bottom_field_flag); |
| d = |
| (u1_nal_ref_idc == 0 && ps_prev_slice->u1_nal_ref_idc != 0) |
| || (u1_nal_ref_idc != 0 |
| && ps_prev_slice->u1_nal_ref_idc |
| == 0); |
| if(!a) |
| { |
| if((u1_pic_order_cnt_type == 0) |
| && (ps_prev_slice->u1_pic_order_cnt_type == 0)) |
| { |
| e = |
| ((ps_cur_poc->i4_pic_order_cnt_lsb |
| != ps_prev_poc->i4_pic_order_cnt_lsb) |
| || (ps_cur_poc->i4_delta_pic_order_cnt_bottom |
| != ps_prev_poc->i4_delta_pic_order_cnt_bottom)); |
| } |
| |
| if((u1_pic_order_cnt_type == 1) |
| && (ps_prev_slice->u1_pic_order_cnt_type == 1)) |
| { |
| f = |
| ((ps_cur_poc->i4_delta_pic_order_cnt[0] |
| != ps_prev_poc->i4_delta_pic_order_cnt[0]) |
| || (ps_cur_poc->i4_delta_pic_order_cnt[1] |
| != ps_prev_poc->i4_delta_pic_order_cnt[1])); |
| } |
| } |
| |
| if((u1_nal_unit_type == IDR_SLICE_NAL) |
| && (ps_prev_slice->u1_nal_unit_type == IDR_SLICE_NAL)) |
| { |
| g = (u4_idr_pic_id != ps_prev_slice->u4_idr_pic_id); |
| } |
| |
| if((u1_nal_unit_type == IDR_SLICE_NAL) |
| && (ps_prev_slice->u1_nal_unit_type != IDR_SLICE_NAL)) |
| { |
| h = 1; |
| } |
| i1_is_end_of_pic = a + b + c + d + e + f + g + h; |
| return (i1_is_end_of_pic); |
| } |
| |
| /*! |
| ************************************************************************** |
| * \if Function name : ih264d_decode_pic_order_cnt \endif |
| * |
| * \brief |
| * Calculates picture order count of picture. |
| * |
| * \return |
| * Returns the pic order count of the picture to which current |
| * Slice belongs. |
| * |
| ************************************************************************** |
| */ |
| WORD32 ih264d_decode_pic_order_cnt(UWORD8 u1_is_idr_slice, |
| UWORD32 u2_frame_num, |
| pocstruct_t *ps_prev_poc, |
| pocstruct_t *ps_cur_poc, |
| dec_slice_params_t *ps_cur_slice, /*!< Pointer to current slice Params*/ |
| dec_pic_params_t * ps_pps, |
| UWORD8 u1_nal_ref_idc, |
| UWORD8 u1_bottom_field_flag, |
| UWORD8 u1_field_pic_flag, |
| WORD32 *pi4_poc) |
| { |
| WORD16 i1_pic_msb; |
| WORD32 i4_top_field_order_cnt = 0, i4_bottom_field_order_cnt = 0; |
| dec_seq_params_t *ps_seq = ps_pps->ps_sps; |
| WORD32 i4_prev_frame_num_ofst; |
| |
| switch(ps_seq->u1_pic_order_cnt_type) |
| { |
| case 0: |
| /* POC TYPE 0 */ |
| if(u1_is_idr_slice) |
| { |
| ps_prev_poc->i4_pic_order_cnt_msb = 0; |
| ps_prev_poc->i4_pic_order_cnt_lsb = 0; |
| } |
| if(ps_prev_poc->u1_mmco_equalto5) |
| { |
| if(ps_prev_poc->u1_bot_field != 1) |
| { |
| ps_prev_poc->i4_pic_order_cnt_msb = 0; |
| ps_prev_poc->i4_pic_order_cnt_lsb = |
| ps_prev_poc->i4_top_field_order_count; |
| } |
| else |
| { |
| ps_prev_poc->i4_pic_order_cnt_msb = 0; |
| ps_prev_poc->i4_pic_order_cnt_lsb = 0; |
| } |
| } |
| |
| if((ps_cur_poc->i4_pic_order_cnt_lsb |
| < ps_prev_poc->i4_pic_order_cnt_lsb) |
| && ((ps_prev_poc->i4_pic_order_cnt_lsb |
| - ps_cur_poc->i4_pic_order_cnt_lsb) |
| >= (ps_seq->i4_max_pic_order_cntLsb |
| >> 1))) |
| { |
| i1_pic_msb = ps_prev_poc->i4_pic_order_cnt_msb |
| + ps_seq->i4_max_pic_order_cntLsb; |
| } |
| else if((ps_cur_poc->i4_pic_order_cnt_lsb |
| > ps_prev_poc->i4_pic_order_cnt_lsb) |
| && ((ps_cur_poc->i4_pic_order_cnt_lsb |
| - ps_prev_poc->i4_pic_order_cnt_lsb) |
| >= (ps_seq->i4_max_pic_order_cntLsb |
| >> 1))) |
| { |
| i1_pic_msb = ps_prev_poc->i4_pic_order_cnt_msb |
| - ps_seq->i4_max_pic_order_cntLsb; |
| } |
| else |
| { |
| i1_pic_msb = ps_prev_poc->i4_pic_order_cnt_msb; |
| } |
| |
| if(!u1_field_pic_flag || !u1_bottom_field_flag) |
| i4_top_field_order_cnt = i1_pic_msb |
| + ps_cur_poc->i4_pic_order_cnt_lsb; |
| |
| if(!u1_field_pic_flag) |
| { |
| i4_bottom_field_order_cnt = i4_top_field_order_cnt |
| + ps_cur_poc->i4_delta_pic_order_cnt_bottom; |
| } |
| else if(u1_bottom_field_flag) |
| { |
| i4_bottom_field_order_cnt = i1_pic_msb |
| + ps_cur_poc->i4_pic_order_cnt_lsb; |
| } |
| ps_cur_poc->i4_pic_order_cnt_msb = i1_pic_msb; |
| break; |
| |
| case 1: |
| { |
| /* POC TYPE 1 */ |
| UWORD8 i; |
| WORD32 prev_frame_num; |
| WORD32 frame_num_ofst; |
| WORD32 abs_frm_num; |
| WORD32 poc_cycle_cnt, frame_num_in_poc_cycle; |
| WORD32 expected_delta_poc_cycle; |
| WORD32 expected_poc; |
| |
| prev_frame_num = (WORD32)ps_cur_slice->u2_frame_num; |
| if(!u1_is_idr_slice) |
| { |
| if(ps_cur_slice->u1_mmco_equalto5) |
| { |
| prev_frame_num = 0; |
| i4_prev_frame_num_ofst = 0; |
| } |
| else |
| { |
| i4_prev_frame_num_ofst = ps_prev_poc->i4_prev_frame_num_ofst; |
| } |
| } |
| else |
| i4_prev_frame_num_ofst = 0; |
| |
| /* 1. Derivation for FrameNumOffset */ |
| if(u1_is_idr_slice) |
| { |
| frame_num_ofst = 0; |
| ps_cur_poc->i4_delta_pic_order_cnt[0] = 0; |
| ps_cur_poc->i4_delta_pic_order_cnt[1] = 0; |
| } |
| else if(prev_frame_num > ((WORD32)u2_frame_num)) |
| { |
| frame_num_ofst = i4_prev_frame_num_ofst |
| + ps_seq->u2_u4_max_pic_num_minus1 + 1; |
| } |
| else |
| frame_num_ofst = i4_prev_frame_num_ofst; |
| |
| /* 2. Derivation for absFrameNum */ |
| if(0 != ps_seq->u1_num_ref_frames_in_pic_order_cnt_cycle) |
| abs_frm_num = frame_num_ofst + u2_frame_num; |
| else |
| abs_frm_num = 0; |
| if((u1_nal_ref_idc == 0) && (abs_frm_num > 0)) |
| abs_frm_num = abs_frm_num - 1; |
| |
| /* 4. expectedDeltaPerPicOrderCntCycle is derived as */ |
| expected_delta_poc_cycle = 0; |
| for(i = 0; i < ps_seq->u1_num_ref_frames_in_pic_order_cnt_cycle; |
| i++) |
| { |
| expected_delta_poc_cycle += |
| ps_seq->i4_ofst_for_ref_frame[i]; |
| } |
| |
| /* 3. When absFrameNum > 0, picOrderCntCycleCnt and |
| frame_num_in_poc_cycle are derived as : */ |
| /* 5. expectedPicOrderCnt is derived as : */ |
| if(abs_frm_num > 0) |
| { |
| poc_cycle_cnt = |
| DIV((abs_frm_num - 1), |
| ps_seq->u1_num_ref_frames_in_pic_order_cnt_cycle); |
| frame_num_in_poc_cycle = |
| MOD((abs_frm_num - 1), |
| ps_seq->u1_num_ref_frames_in_pic_order_cnt_cycle); |
| |
| expected_poc = poc_cycle_cnt |
| * expected_delta_poc_cycle; |
| for(i = 0; i <= frame_num_in_poc_cycle; i++) |
| { |
| expected_poc = expected_poc |
| + ps_seq->i4_ofst_for_ref_frame[i]; |
| } |
| } |
| else |
| expected_poc = 0; |
| |
| if(u1_nal_ref_idc == 0) |
| { |
| expected_poc = expected_poc |
| + ps_seq->i4_ofst_for_non_ref_pic; |
| } |
| |
| /* 6. TopFieldOrderCnt or BottomFieldOrderCnt are derived as */ |
| if(!u1_field_pic_flag) |
| { |
| i4_top_field_order_cnt = expected_poc |
| + ps_cur_poc->i4_delta_pic_order_cnt[0]; |
| i4_bottom_field_order_cnt = i4_top_field_order_cnt |
| + ps_seq->i4_ofst_for_top_to_bottom_field |
| + ps_cur_poc->i4_delta_pic_order_cnt[1]; |
| } |
| else if(!u1_bottom_field_flag) |
| { |
| i4_top_field_order_cnt = expected_poc |
| + ps_cur_poc->i4_delta_pic_order_cnt[0]; |
| } |
| else |
| { |
| i4_bottom_field_order_cnt = expected_poc |
| + ps_seq->i4_ofst_for_top_to_bottom_field |
| + ps_cur_poc->i4_delta_pic_order_cnt[0]; |
| } |
| /* Copy the current POC info into Previous POC structure */ |
| ps_cur_poc->i4_prev_frame_num_ofst = frame_num_ofst; |
| } |
| |
| break; |
| case 2: |
| { |
| /* POC TYPE 2 */ |
| WORD32 prev_frame_num; |
| WORD32 frame_num_ofst; |
| WORD32 tmp_poc; |
| |
| prev_frame_num = (WORD32)ps_cur_slice->u2_frame_num; |
| if(!u1_is_idr_slice) |
| { |
| if(ps_cur_slice->u1_mmco_equalto5) |
| { |
| prev_frame_num = 0; |
| i4_prev_frame_num_ofst = 0; |
| } |
| else |
| i4_prev_frame_num_ofst = ps_prev_poc->i4_prev_frame_num_ofst; |
| } |
| else |
| i4_prev_frame_num_ofst = 0; |
| |
| /* 1. Derivation for FrameNumOffset */ |
| if(u1_is_idr_slice) |
| { |
| frame_num_ofst = 0; |
| ps_cur_poc->i4_delta_pic_order_cnt[0] = 0; |
| ps_cur_poc->i4_delta_pic_order_cnt[1] = 0; |
| } |
| else if(prev_frame_num > ((WORD32)u2_frame_num)) |
| { |
| frame_num_ofst = i4_prev_frame_num_ofst |
| + ps_seq->u2_u4_max_pic_num_minus1 + 1; |
| } |
| else |
| frame_num_ofst = i4_prev_frame_num_ofst; |
| |
| /* 2. Derivation for tempPicOrderCnt */ |
| if(u1_is_idr_slice) |
| tmp_poc = 0; |
| else if(u1_nal_ref_idc == 0) |
| tmp_poc = ((frame_num_ofst + u2_frame_num) << 1) |
| - 1; |
| else |
| tmp_poc = ((frame_num_ofst + u2_frame_num) << 1); |
| |
| /* 6. TopFieldOrderCnt or BottomFieldOrderCnt are derived as */ |
| if(!u1_field_pic_flag) |
| { |
| i4_top_field_order_cnt = tmp_poc; |
| i4_bottom_field_order_cnt = tmp_poc; |
| } |
| else if(!u1_bottom_field_flag) |
| i4_top_field_order_cnt = tmp_poc; |
| else |
| i4_bottom_field_order_cnt = tmp_poc; |
| |
| /* Copy the current POC info into Previous POC structure */ |
| ps_prev_poc->i4_prev_frame_num_ofst = frame_num_ofst; |
| ps_cur_poc->i4_prev_frame_num_ofst = frame_num_ofst; |
| } |
| break; |
| default: |
| return ERROR_INV_POC_TYPE_T; |
| break; |
| } |
| |
| if(!u1_field_pic_flag) // or a complementary field pair |
| { |
| *pi4_poc = MIN(i4_top_field_order_cnt, i4_bottom_field_order_cnt); |
| ps_pps->i4_top_field_order_cnt = i4_top_field_order_cnt; |
| ps_pps->i4_bottom_field_order_cnt = i4_bottom_field_order_cnt; |
| } |
| else if(!u1_bottom_field_flag) |
| { |
| *pi4_poc = i4_top_field_order_cnt; |
| ps_pps->i4_top_field_order_cnt = i4_top_field_order_cnt; |
| } |
| else |
| { |
| *pi4_poc = i4_bottom_field_order_cnt; |
| ps_pps->i4_bottom_field_order_cnt = i4_bottom_field_order_cnt; |
| } |
| |
| ps_pps->i4_avg_poc = *pi4_poc; |
| |
| return OK; |
| } |
| |
| /*! |
| ************************************************************************** |
| * \if Function name : ih264d_end_of_pic_processing \endif |
| * |
| * \brief |
| * Performs the end of picture processing. |
| * |
| * It performs deblocking on the current picture and sets the i4_status of |
| * current picture as decoded. |
| * |
| * \return |
| * 0 on Success and Error code otherwise. |
| ************************************************************************** |
| */ |
| WORD32 ih264d_end_of_pic_processing(dec_struct_t *ps_dec) |
| { |
| UWORD8 u1_pic_type, u1_nal_ref_idc; |
| dec_slice_params_t *ps_cur_slice = ps_dec->ps_cur_slice; |
| |
| /* If nal_ref_idc is equal to 0 for one slice or slice data partition NAL |
| unit of a particular picture, it shall be equal to 0 for all slice and |
| slice data partition NAL units of the picture. nal_ref_idc greater |
| than 0 indicates that the content of the NAL unit belongs to a decoded |
| picture that is stored and marked for use as a reference picture in the |
| decoded picture buffer. */ |
| |
| /* 1. Do MMCO |
| 2. Add Cur Pic to list of reference pics. |
| */ |
| |
| /* Call MMCO */ |
| u1_pic_type = 0; |
| u1_nal_ref_idc = ps_cur_slice->u1_nal_ref_idc; |
| |
| if(u1_nal_ref_idc) |
| { |
| if(ps_cur_slice->u1_nal_unit_type == IDR_SLICE_NAL) |
| { |
| if(ps_dec->ps_dpb_cmds->u1_long_term_reference_flag == 0) |
| { |
| ih264d_reset_ref_bufs(ps_dec->ps_dpb_mgr); |
| /* ignore DPB errors */ |
| ih264d_insert_st_node(ps_dec->ps_dpb_mgr, |
| ps_dec->ps_cur_pic, |
| ps_dec->u1_pic_buf_id, |
| ps_cur_slice->u2_frame_num); |
| } |
| else |
| { |
| /* Equivalent of inserting a pic directly as longterm Pic */ |
| |
| { |
| /* ignore DPB errors */ |
| ih264d_insert_st_node(ps_dec->ps_dpb_mgr, |
| ps_dec->ps_cur_pic, |
| ps_dec->u1_pic_buf_id, |
| ps_cur_slice->u2_frame_num); |
| |
| /* Set longTermIdx = 0, MaxLongTermFrameIdx = 0 */ |
| ih264d_delete_st_node_or_make_lt( |
| ps_dec->ps_dpb_mgr, |
| ps_cur_slice->u2_frame_num, 0, |
| ps_cur_slice->u1_field_pic_flag); |
| |
| ps_dec->ps_dpb_mgr->u1_max_lt_pic_idx_plus1 = 1; |
| } |
| } |
| } |
| else |
| { |
| |
| { |
| UWORD16 u2_pic_num = ps_cur_slice->u2_frame_num; |
| |
| /* ignore DPB errors */ |
| ih264d_do_mmco_buffer(ps_dec->ps_dpb_cmds, ps_dec->ps_dpb_mgr, |
| ps_dec->ps_cur_sps->u1_num_ref_frames, u2_pic_num, |
| (ps_dec->ps_cur_sps->u2_u4_max_pic_num_minus1), |
| ps_dec->u1_nal_unit_type, ps_dec->ps_cur_pic, |
| ps_dec->u1_pic_buf_id, |
| ps_cur_slice->u1_field_pic_flag, |
| ps_dec->e_dec_status); |
| |
| |
| } |
| } |
| ih264d_update_default_index_list(ps_dec->ps_dpb_mgr); |
| } |
| |
| if(ps_cur_slice->u1_field_pic_flag) |
| { |
| if(ps_cur_slice->u1_bottom_field_flag) |
| { |
| if(u1_nal_ref_idc) |
| u1_pic_type = u1_pic_type | BOT_REF; |
| u1_pic_type = u1_pic_type | BOT_FLD; |
| } |
| else |
| { |
| if(u1_nal_ref_idc) |
| u1_pic_type = u1_pic_type | TOP_REF; |
| u1_pic_type = u1_pic_type | TOP_FLD; |
| } |
| } |
| else |
| u1_pic_type = TOP_REF | BOT_REF; |
| ps_dec->ps_cur_pic->u1_pic_type |= u1_pic_type; |
| |
| |
| if(ps_cur_slice->u1_field_pic_flag) |
| { |
| H264_DEC_DEBUG_PRINT("Toggling secondField\n"); |
| ps_dec->u1_second_field = 1 - ps_dec->u1_second_field; |
| } |
| |
| return OK; |
| } |
| |
| /*****************************************************************************/ |
| /* */ |
| /* Function Name : init_dpb_size */ |
| /* */ |
| /* Description : This function calculates the DBP i4_size in frames */ |
| /* Inputs : ps_seq - current sequence params */ |
| /* */ |
| /* Globals : None */ |
| /* */ |
| /* Outputs : None */ |
| /* */ |
| /* Returns : DPB in frames */ |
| /* */ |
| /* Issues : None */ |
| /* */ |
| /* Revision History: */ |
| /* */ |
| /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| /* 28 04 2005 NS Draft */ |
| /* */ |
| /*****************************************************************************/ |
| WORD32 ih264d_get_dpb_size(dec_seq_params_t *ps_seq) |
| { |
| WORD32 i4_size; |
| UWORD8 u1_level_idc; |
| |
| u1_level_idc = ps_seq->u1_level_idc; |
| |
| switch(u1_level_idc) |
| { |
| case 10: |
| i4_size = 152064; |
| break; |
| case 11: |
| i4_size = 345600; |
| break; |
| case 12: |
| i4_size = 912384; |
| break; |
| case 13: |
| i4_size = 912384; |
| break; |
| case 20: |
| i4_size = 912384; |
| break; |
| case 21: |
| i4_size = 1824768; |
| break; |
| case 22: |
| i4_size = 3110400; |
| break; |
| case 30: |
| i4_size = 3110400; |
| break; |
| case 31: |
| i4_size = 6912000; |
| break; |
| case 32: |
| i4_size = 7864320; |
| break; |
| case 40: |
| i4_size = 12582912; |
| break; |
| case 41: |
| i4_size = 12582912; |
| break; |
| case 42: |
| i4_size = 12582912; |
| break; |
| case 50: |
| i4_size = 42393600; |
| break; |
| case 51: |
| i4_size = 70778880; |
| break; |
| case 52: |
| i4_size = 70778880; |
| break; |
| default: |
| i4_size = 70778880; |
| break; |
| } |
| |
| i4_size /= (ps_seq->u2_frm_wd_in_mbs * (ps_seq->u2_frm_ht_in_mbs << (1 - ps_seq->u1_frame_mbs_only_flag))); |
| i4_size /= 384; |
| i4_size = MIN(i4_size, 16); |
| i4_size = MAX(i4_size, 1); |
| return (i4_size); |
| } |
| |
| /***************************************************************************/ |
| /* If change in Level or the required PicBuffers i4_size is more than the */ |
| /* current one FREE the current PicBuffers and allocate affresh */ |
| /***************************************************************************/ |
| UWORD8 ih264d_is_sps_changed(prev_seq_params_t * ps_prv, |
| dec_seq_params_t * ps_cur) |
| { |
| |
| if((ps_prv->u2_frm_wd_in_mbs != ps_cur->u2_frm_wd_in_mbs) |
| || (ps_prv->u1_level_idc != ps_cur->u1_level_idc) |
| || (ps_prv->u1_profile_idc != ps_cur->u1_profile_idc) |
| || (ps_cur->u2_frm_ht_in_mbs != ps_prv->u2_frm_ht_in_mbs) |
| || (ps_cur->u1_frame_mbs_only_flag |
| != ps_prv->u1_frame_mbs_only_flag) |
| || (ps_cur->u1_direct_8x8_inference_flag |
| != ps_prv->u1_direct_8x8_inference_flag)) |
| return 1; |
| |
| return 0; |
| } |
| |
| /**************************************************************************/ |
| /* This function initialises the value of ps_dec->u1_recon_mb_grp */ |
| /* ps_dec->u1_recon_mb_grp must satisfy the following criteria */ |
| /* - multiple of 2 (required for N/2 parse-mvpred design) */ |
| /* - multiple of 4 (if it is not a frame_mbs_only sequence), */ |
| /* in this case N/2 itself needs to be even for mbpair processing */ |
| /* - lesser than ps_dec->u2_frm_wd_in_mbs/2 (at least 3 N-Chunks */ |
| /* should make a row to ensure proper MvTop transferring) */ |
| /**************************************************************************/ |
| WORD32 ih264d_init_dec_mb_grp(dec_struct_t *ps_dec) |
| { |
| dec_seq_params_t *ps_seq = ps_dec->ps_cur_sps; |
| UWORD8 u1_frm = ps_seq->u1_frame_mbs_only_flag; |
| |
| ps_dec->u1_recon_mb_grp = ps_dec->u2_frm_wd_in_mbs << ps_seq->u1_mb_aff_flag; |
| |
| ps_dec->u1_recon_mb_grp_pair = ps_dec->u1_recon_mb_grp >> 1; |
| |
| if(!ps_dec->u1_recon_mb_grp) |
| { |
| return ERROR_MB_GROUP_ASSGN_T; |
| } |
| |
| ps_dec->u4_num_mbs_prev_nmb = ps_dec->u1_recon_mb_grp; |
| |
| return OK; |
| } |
| |
| |
| /*! |
| ************************************************************************** |
| * \if Function name : ih264d_init_pic \endif |
| * |
| * \brief |
| * Initializes the picture. |
| * |
| * \return |
| * 0 on Success and Error code otherwise |
| * |
| * \note |
| * This function is called when first slice of the |
| * NON -IDR picture is encountered. |
| ************************************************************************** |
| */ |
| WORD32 ih264d_init_pic(dec_struct_t *ps_dec, |
| UWORD16 u2_frame_num, |
| WORD32 i4_poc, |
| dec_pic_params_t *ps_pps) |
| { |
| dec_seq_params_t *ps_seq = ps_pps->ps_sps; |
| prev_seq_params_t * ps_prev_seq_params = &ps_dec->s_prev_seq_params; |
| WORD32 i4_pic_bufs; |
| WORD32 ret; |
| |
| ps_dec->ps_cur_slice->u2_frame_num = u2_frame_num; |
| ps_dec->ps_cur_slice->i4_poc = i4_poc; |
| ps_dec->ps_cur_pps = ps_pps; |
| ps_dec->ps_cur_pps->pv_codec_handle = ps_dec; |
| |
| ps_dec->ps_cur_sps = ps_seq; |
| ps_dec->ps_dpb_mgr->i4_max_frm_num = ps_seq->u2_u4_max_pic_num_minus1 |
| + 1; |
| |
| ps_dec->ps_dpb_mgr->u2_pic_ht = ps_dec->u2_pic_ht; |
| ps_dec->ps_dpb_mgr->u2_pic_wd = ps_dec->u2_pic_wd; |
| ps_dec->i4_pic_type = -1; |
| ps_dec->i4_frametype = -1; |
| ps_dec->i4_content_type = -1; |
| |
| /*--------------------------------------------------------------------*/ |
| /* Get the value of MaxMbAddress and frmheight in Mbs */ |
| /*--------------------------------------------------------------------*/ |
| ps_seq->u2_max_mb_addr = |
| (ps_seq->u2_frm_wd_in_mbs |
| * (ps_dec->u2_pic_ht |
| >> (4 |
| + ps_dec->ps_cur_slice->u1_field_pic_flag))) |
| - 1; |
| ps_dec->u2_frm_ht_in_mbs = (ps_dec->u2_pic_ht |
| >> (4 + ps_dec->ps_cur_slice->u1_field_pic_flag)); |
| |
| /***************************************************************************/ |
| /* If change in Level or the required PicBuffers i4_size is more than the */ |
| /* current one FREE the current PicBuffers and allocate affresh */ |
| /***************************************************************************/ |
| if(!ps_dec->u1_init_dec_flag |
| || ih264d_is_sps_changed(ps_prev_seq_params, ps_seq)) |
| { |
| ps_dec->u1_max_dec_frame_buffering = ih264d_get_dpb_size(ps_seq); |
| |
| ps_dec->i4_display_delay = ps_dec->u1_max_dec_frame_buffering; |
| if((1 == ps_seq->u1_vui_parameters_present_flag) && |
| (1 == ps_seq->s_vui.u1_bitstream_restriction_flag)) |
| { |
| if(ps_seq->u1_frame_mbs_only_flag == 1) |
| ps_dec->i4_display_delay = ps_seq->s_vui.u4_num_reorder_frames + 1; |
| else |
| ps_dec->i4_display_delay = ps_seq->s_vui.u4_num_reorder_frames * 2 + 2; |
| } |
| |
| if(IVD_DECODE_FRAME_OUT == ps_dec->e_frm_out_mode) |
| ps_dec->i4_display_delay = 0; |
| |
| if(ps_dec->u4_share_disp_buf == 0) |
| { |
| if(ps_seq->u1_frame_mbs_only_flag == 1) |
| ps_dec->u1_pic_bufs = ps_dec->i4_display_delay + ps_seq->u1_num_ref_frames + 1; |
| else |
| ps_dec->u1_pic_bufs = ps_dec->i4_display_delay + ps_seq->u1_num_ref_frames * 2 + 2; |
| } |
| else |
| { |
| ps_dec->u1_pic_bufs = (WORD32)ps_dec->u4_num_disp_bufs; |
| } |
| |
| /* Ensure at least two buffers are allocated */ |
| ps_dec->u1_pic_bufs = MAX(ps_dec->u1_pic_bufs, 2); |
| |
| if(ps_dec->u4_share_disp_buf == 0) |
| ps_dec->u1_pic_bufs = MIN(ps_dec->u1_pic_bufs, |
| (H264_MAX_REF_PICS * 2)); |
| |
| ps_dec->u1_max_dec_frame_buffering = MIN( |
| ps_dec->u1_max_dec_frame_buffering, |
| ps_dec->u1_pic_bufs); |
| |
| /* Temporary hack to run Tractor Cav/Cab/MbAff Profiler streams also for CAFI1_SVA_C.264 in conformance*/ |
| if(ps_dec->u1_init_dec_flag) |
| { |
| ih264d_release_pics_in_dpb((void *)ps_dec, |
| ps_dec->u1_pic_bufs); |
| ih264d_release_display_bufs(ps_dec); |
| ih264d_reset_ref_bufs(ps_dec->ps_dpb_mgr); |
| } |
| |
| /*********************************************************************/ |
| /* Configuring decoder parameters based on level and then */ |
| /* fresh pointer initialisation in decoder scratch and state buffers */ |
| /*********************************************************************/ |
| if(!ps_dec->u1_init_dec_flag || |
| ((ps_seq->u1_level_idc < H264_LEVEL_3_0) ^ (ps_prev_seq_params->u1_level_idc < H264_LEVEL_3_0))) |
| { |
| ret = ih264d_init_dec_mb_grp(ps_dec); |
| if(ret != OK) |
| return ret; |
| } |
| |
| ret = ih264d_allocate_dynamic_bufs(ps_dec); |
| if(ret != OK) |
| { |
| /* Free any dynamic buffers that are allocated */ |
| ih264d_free_dynamic_bufs(ps_dec); |
| ps_dec->i4_error_code = IVD_MEM_ALLOC_FAILED; |
| return IVD_MEM_ALLOC_FAILED; |
| } |
| |
| ret = ih264d_create_pic_buffers(ps_dec->u1_pic_bufs, |
| ps_dec); |
| if(ret != OK) |
| return ret; |
| |
| |
| |
| ret = ih264d_create_mv_bank(ps_dec, ps_dec->u2_pic_wd, |
| ps_dec->u2_pic_ht); |
| if(ret != OK) |
| return ret; |
| |
| /* In shared mode, set all of them as used by display */ |
| if(ps_dec->u4_share_disp_buf == 1) |
| { |
| WORD32 i; |
| |
| for(i = 0; i < ps_dec->u1_pic_bufs; i++) |
| { |
| ih264_buf_mgr_set_status((buf_mgr_t *)ps_dec->pv_pic_buf_mgr, i, |
| BUF_MGR_IO); |
| } |
| } |
| |
| ps_dec->u1_init_dec_flag = 1; |
| ps_prev_seq_params->u2_frm_wd_in_mbs = ps_seq->u2_frm_wd_in_mbs; |
| ps_prev_seq_params->u1_level_idc = ps_seq->u1_level_idc; |
| ps_prev_seq_params->u1_profile_idc = ps_seq->u1_profile_idc; |
| ps_prev_seq_params->u2_frm_ht_in_mbs = ps_seq->u2_frm_ht_in_mbs; |
| ps_prev_seq_params->u1_frame_mbs_only_flag = |
| ps_seq->u1_frame_mbs_only_flag; |
| ps_prev_seq_params->u1_direct_8x8_inference_flag = |
| ps_seq->u1_direct_8x8_inference_flag; |
| |
| ps_dec->i4_cur_display_seq = 0; |
| ps_dec->i4_prev_max_display_seq = 0; |
| ps_dec->i4_max_poc = 0; |
| |
| { |
| /* 0th entry of CtxtIncMbMap will be always be containing default values |
| for CABAC context representing MB not available */ |
| ctxt_inc_mb_info_t *p_DefCtxt = ps_dec->p_ctxt_inc_mb_map - 1; |
| UWORD8 *pu1_temp; |
| WORD8 i; |
| p_DefCtxt->u1_mb_type = CAB_SKIP; |
| |
| p_DefCtxt->u1_cbp = 0x0f; |
| p_DefCtxt->u1_intra_chroma_pred_mode = 0; |
| |
| p_DefCtxt->u1_yuv_dc_csbp = 0x7; |
| |
| p_DefCtxt->u1_transform8x8_ctxt = 0; |
| |
| pu1_temp = (UWORD8*)p_DefCtxt->i1_ref_idx; |
| for(i = 0; i < 4; i++, pu1_temp++) |
| (*pu1_temp) = 0; |
| pu1_temp = (UWORD8*)p_DefCtxt->u1_mv; |
| for(i = 0; i < 16; i++, pu1_temp++) |
| (*pu1_temp) = 0; |
| ps_dec->ps_def_ctxt_mb_info = p_DefCtxt; |
| } |
| |
| } |
| /* reset DBP commands read u4_flag */ |
| ps_dec->ps_dpb_cmds->u1_dpb_commands_read = 0; |
| |
| return OK; |
| } |
| |
| /*****************************************************************************/ |
| /* */ |
| /* Function Name : ih264d_get_next_display_field */ |
| /* */ |
| /* Description : Application calls this module to get the next field */ |
| /* to be displayed */ |
| /* */ |
| /* Inputs : 1. IBUFAPI_Handle Hnadle to the Display buffer */ |
| /* 2. IH264DEC_DispUnit Pointer to the display struct */ |
| /* */ |
| /* Globals : */ |
| /* */ |
| /* */ |
| /* Processing : None */ |
| /* Outputs : None */ |
| /* Returns : None */ |
| /* Issues : None */ |
| /* */ |
| /* Revision History: */ |
| /* */ |
| /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| /* 27 05 2005 Ittiam Draft */ |
| /* */ |
| /*****************************************************************************/ |
| |
| WORD32 ih264d_get_next_display_field(dec_struct_t * ps_dec, |
| ivd_out_bufdesc_t *ps_out_buffer, |
| ivd_get_display_frame_op_t *pv_disp_op) |
| { |
| pic_buffer_t *pic_buf; |
| |
| UWORD8 i1_cur_fld; |
| WORD32 u4_api_ret = -1; |
| WORD32 i4_disp_buf_id; |
| iv_yuv_buf_t *ps_op_frm; |
| |
| |
| |
| ps_op_frm = &(ps_dec->s_disp_frame_info); |
| H264_MUTEX_LOCK(&ps_dec->process_disp_mutex); |
| pic_buf = (pic_buffer_t *)ih264_disp_mgr_get( |
| (disp_mgr_t *)ps_dec->pv_disp_buf_mgr, &i4_disp_buf_id); |
| ps_dec->u4_num_fld_in_frm = 0; |
| u4_api_ret = -1; |
| pv_disp_op->u4_ts = -1; |
| pv_disp_op->e_output_format = ps_dec->u1_chroma_format; |
| |
| pv_disp_op->s_disp_frm_buf.pv_y_buf = ps_out_buffer->pu1_bufs[0]; |
| pv_disp_op->s_disp_frm_buf.pv_u_buf = ps_out_buffer->pu1_bufs[1]; |
| pv_disp_op->s_disp_frm_buf.pv_v_buf = ps_out_buffer->pu1_bufs[2]; |
| if(pic_buf != NULL) |
| { |
| pv_disp_op->e4_fld_type = 0; |
| pv_disp_op->u4_disp_buf_id = i4_disp_buf_id; |
| |
| ps_op_frm->u4_y_ht = pic_buf->u2_disp_height << 1; |
| ps_op_frm->u4_u_ht = ps_op_frm->u4_v_ht = ps_op_frm->u4_y_ht >> 1; |
| ps_op_frm->u4_y_wd = pic_buf->u2_disp_width; |
| |
| ps_op_frm->u4_u_wd = ps_op_frm->u4_v_wd = ps_op_frm->u4_y_wd >> 1; |
| |
| ps_op_frm->u4_y_strd = pic_buf->u2_frm_wd_y; |
| ps_op_frm->u4_u_strd = ps_op_frm->u4_v_strd = pic_buf->u2_frm_wd_uv; |
| |
| /* ! */ |
| pv_disp_op->u4_ts = pic_buf->u4_ts; |
| |
| /* set the start of the Y, U and V buffer pointer for display */ |
| ps_op_frm->pv_y_buf = pic_buf->pu1_buf1 + pic_buf->u2_crop_offset_y; |
| ps_op_frm->pv_u_buf = pic_buf->pu1_buf2 + pic_buf->u2_crop_offset_uv; |
| ps_op_frm->pv_v_buf = pic_buf->pu1_buf3 + pic_buf->u2_crop_offset_uv; |
| ps_dec->u4_num_fld_in_frm++; |
| ps_dec->u4_num_fld_in_frm++; |
| u4_api_ret = 0; |
| |
| if(pic_buf->u1_picturetype == 0) |
| pv_disp_op->u4_progressive_frame_flag = 1; |
| else |
| pv_disp_op->u4_progressive_frame_flag = 0; |
| |
| } H264_MUTEX_UNLOCK(&ps_dec->process_disp_mutex); |
| pv_disp_op->u4_error_code = u4_api_ret; |
| pv_disp_op->e_pic_type = 0xFFFFFFFF; //Junk; |
| |
| if(u4_api_ret) |
| { |
| pv_disp_op->u4_error_code = 1; //put a proper error code here |
| } |
| else |
| { |
| |
| //Release the buffer if being sent for display |
| UWORD32 temp; |
| UWORD32 dest_inc_Y = 0, dest_inc_UV = 0; |
| |
| pv_disp_op->s_disp_frm_buf.u4_y_wd = temp = MIN(ps_op_frm->u4_y_wd, |
| ps_op_frm->u4_y_strd); |
| pv_disp_op->s_disp_frm_buf.u4_u_wd = pv_disp_op->s_disp_frm_buf.u4_y_wd |
| >> 1; |
| pv_disp_op->s_disp_frm_buf.u4_v_wd = pv_disp_op->s_disp_frm_buf.u4_y_wd |
| >> 1; |
| |
| pv_disp_op->s_disp_frm_buf.u4_y_ht = ps_op_frm->u4_y_ht; |
| pv_disp_op->s_disp_frm_buf.u4_u_ht = pv_disp_op->s_disp_frm_buf.u4_y_ht |
| >> 1; |
| pv_disp_op->s_disp_frm_buf.u4_v_ht = pv_disp_op->s_disp_frm_buf.u4_y_ht |
| >> 1; |
| if(0 == ps_dec->u4_share_disp_buf) |
| { |
| pv_disp_op->s_disp_frm_buf.u4_y_strd = |
| pv_disp_op->s_disp_frm_buf.u4_y_wd; |
| pv_disp_op->s_disp_frm_buf.u4_u_strd = |
| pv_disp_op->s_disp_frm_buf.u4_y_wd >> 1; |
| pv_disp_op->s_disp_frm_buf.u4_v_strd = |
| pv_disp_op->s_disp_frm_buf.u4_y_wd >> 1; |
| |
| } |
| else |
| { |
| pv_disp_op->s_disp_frm_buf.u4_y_strd = ps_op_frm->u4_y_strd; |
| } |
| |
| if(ps_dec->u4_app_disp_width) |
| { |
| pv_disp_op->s_disp_frm_buf.u4_y_strd = MAX( |
| ps_dec->u4_app_disp_width, |
| pv_disp_op->s_disp_frm_buf.u4_y_strd); |
| } |
| |
| pv_disp_op->u4_error_code = 0; |
| if(pv_disp_op->e_output_format == IV_YUV_420P) |
| { |
| UWORD32 i; |
| pv_disp_op->s_disp_frm_buf.u4_u_strd = |
| pv_disp_op->s_disp_frm_buf.u4_y_strd >> 1; |
| pv_disp_op->s_disp_frm_buf.u4_v_strd = |
| pv_disp_op->s_disp_frm_buf.u4_y_strd >> 1; |
| |
| pv_disp_op->s_disp_frm_buf.u4_u_wd = ps_op_frm->u4_y_wd >> 1; |
| pv_disp_op->s_disp_frm_buf.u4_v_wd = ps_op_frm->u4_y_wd >> 1; |
| |
| if(1 == ps_dec->u4_share_disp_buf) |
| { |
| pv_disp_op->s_disp_frm_buf.pv_y_buf = ps_op_frm->pv_y_buf; |
| |
| for(i = 0; i < MAX_DISP_BUFS_NEW; i++) |
| { |
| UWORD8 *buf = ps_dec->disp_bufs[i].buf[0]; |
| buf += ps_dec->disp_bufs[i].u4_ofst[0]; |
| if(((UWORD8 *)pv_disp_op->s_disp_frm_buf.pv_y_buf |
| - pic_buf->u2_crop_offset_y) == buf) |
| { |
| buf = ps_dec->disp_bufs[i].buf[1]; |
| buf += ps_dec->disp_bufs[i].u4_ofst[1]; |
| pv_disp_op->s_disp_frm_buf.pv_u_buf = buf |
| + pic_buf->u2_crop_offset_uv; |
| |
| buf = ps_dec->disp_bufs[i].buf[2]; |
| buf += ps_dec->disp_bufs[i].u4_ofst[2]; |
| pv_disp_op->s_disp_frm_buf.pv_v_buf = buf |
| + pic_buf->u2_crop_offset_uv; |
| } |
| } |
| } |
| |
| } |
| else if((pv_disp_op->e_output_format == IV_YUV_420SP_UV) |
| || (pv_disp_op->e_output_format == IV_YUV_420SP_VU)) |
| { |
| pv_disp_op->s_disp_frm_buf.u4_u_strd = |
| pv_disp_op->s_disp_frm_buf.u4_y_strd; |
| pv_disp_op->s_disp_frm_buf.u4_v_strd = 0; |
| |
| if(1 == ps_dec->u4_share_disp_buf) |
| { |
| UWORD32 i; |
| |
| pv_disp_op->s_disp_frm_buf.pv_y_buf = ps_op_frm->pv_y_buf; |
| |
| for(i = 0; i < MAX_DISP_BUFS_NEW; i++) |
| { |
| UWORD8 *buf = ps_dec->disp_bufs[i].buf[0]; |
| buf += ps_dec->disp_bufs[i].u4_ofst[0]; |
| if((UWORD8 *)pv_disp_op->s_disp_frm_buf.pv_y_buf |
| - pic_buf->u2_crop_offset_y == buf) |
| { |
| buf = ps_dec->disp_bufs[i].buf[1]; |
| buf += ps_dec->disp_bufs[i].u4_ofst[1]; |
| pv_disp_op->s_disp_frm_buf.pv_u_buf = buf |
| + pic_buf->u2_crop_offset_uv; |
| ; |
| |
| buf = ps_dec->disp_bufs[i].buf[2]; |
| buf += ps_dec->disp_bufs[i].u4_ofst[2]; |
| pv_disp_op->s_disp_frm_buf.pv_v_buf = buf |
| + pic_buf->u2_crop_offset_uv; |
| ; |
| } |
| } |
| } |
| pv_disp_op->s_disp_frm_buf.u4_u_wd = |
| pv_disp_op->s_disp_frm_buf.u4_y_wd; |
| pv_disp_op->s_disp_frm_buf.u4_v_wd = 0; |
| |
| } |
| else if((pv_disp_op->e_output_format == IV_RGB_565) |
| || (pv_disp_op->e_output_format == IV_YUV_422ILE)) |
| { |
| |
| pv_disp_op->s_disp_frm_buf.u4_u_strd = 0; |
| pv_disp_op->s_disp_frm_buf.u4_v_strd = 0; |
| pv_disp_op->s_disp_frm_buf.u4_u_wd = 0; |
| pv_disp_op->s_disp_frm_buf.u4_v_wd = 0; |
| pv_disp_op->s_disp_frm_buf.u4_u_ht = 0; |
| pv_disp_op->s_disp_frm_buf.u4_v_ht = 0; |
| |
| } |
| |
| |
| } |
| |
| return u4_api_ret; |
| } |
| |
| |
| /*****************************************************************************/ |
| /* Function Name : ih264d_release_display_field */ |
| /* */ |
| /* Description : This function releases the display field that was returned */ |
| /* here. */ |
| /* Inputs : ps_dec - Decoder parameters */ |
| /* Globals : None */ |
| /* Processing : Refer bumping process in the standard */ |
| /* Outputs : Assigns display sequence number. */ |
| /* Returns : None */ |
| /* */ |
| /* Issues : None */ |
| /* */ |
| /* Revision History: */ |
| /* */ |
| /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| /* 27 04 2005 NS Draft */ |
| /* */ |
| /*****************************************************************************/ |
| void ih264d_release_display_field(dec_struct_t *ps_dec, |
| ivd_get_display_frame_op_t *pv_disp_op) |
| { |
| if(1 == pv_disp_op->u4_error_code) |
| { |
| if(1 == ps_dec->u1_flushfrm) |
| { |
| UWORD32 i; |
| |
| if(1 == ps_dec->u4_share_disp_buf) |
| { |
| H264_MUTEX_LOCK(&ps_dec->process_disp_mutex); |
| for(i = 0; i < (MAX_DISP_BUFS_NEW); i++) |
| { |
| if(1 == ps_dec->u4_disp_buf_mapping[i]) |
| { |
| ih264_buf_mgr_release( |
| (buf_mgr_t *)ps_dec->pv_pic_buf_mgr, i, |
| BUF_MGR_IO); |
| ps_dec->u4_disp_buf_mapping[i] = 0; |
| } |
| } H264_MUTEX_UNLOCK(&ps_dec->process_disp_mutex); |
| |
| memset(ps_dec->u4_disp_buf_to_be_freed, 0, |
| (MAX_DISP_BUFS_NEW) * sizeof(UWORD32)); |
| for(i = 0; i < ps_dec->u1_pic_bufs; i++) |
| ps_dec->u4_disp_buf_mapping[i] = 1; |
| } |
| ps_dec->u1_flushfrm = 0; |
| |
| } |
| } |
| else |
| { |
| H264_MUTEX_LOCK(&ps_dec->process_disp_mutex); |
| |
| if(0 == ps_dec->u4_share_disp_buf) |
| { |
| ih264_buf_mgr_release((buf_mgr_t *)ps_dec->pv_pic_buf_mgr, |
| pv_disp_op->u4_disp_buf_id, |
| BUF_MGR_IO); |
| |
| } |
| else |
| { |
| ps_dec->u4_disp_buf_mapping[pv_disp_op->u4_disp_buf_id] = 1; |
| } H264_MUTEX_UNLOCK(&ps_dec->process_disp_mutex); |
| |
| } |
| } |
| /*****************************************************************************/ |
| /* Function Name : ih264d_assign_display_seq */ |
| /* */ |
| /* Description : This function implments bumping process. Every outgoing */ |
| /* frame from DPB is assigned a display sequence number */ |
| /* which increases monotonically. System looks for this */ |
| /* number to display a frame. */ |
| /* here. */ |
| /* Inputs : ps_dec - Decoder parameters */ |
| /* Globals : None */ |
| /* Processing : Refer bumping process in the standard */ |
| /* Outputs : Assigns display sequence number. */ |
| /* Returns : None */ |
| /* */ |
| /* Issues : None */ |
| /* */ |
| /* Revision History: */ |
| /* */ |
| /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| /* 27 04 2005 NS Draft */ |
| /* */ |
| /*****************************************************************************/ |
| WORD32 ih264d_assign_display_seq(dec_struct_t *ps_dec) |
| { |
| WORD32 i; |
| WORD32 i4_min_poc; |
| WORD32 i4_min_poc_buf_id; |
| WORD32 i4_min_index; |
| dpb_manager_t *ps_dpb_mgr = ps_dec->ps_dpb_mgr; |
| WORD32 (*i4_poc_buf_id_map)[3] = ps_dpb_mgr->ai4_poc_buf_id_map; |
| |
| i4_min_poc = 0x7fffffff; |
| i4_min_poc_buf_id = -1; |
| i4_min_index = -1; |
| |
| if(ps_dpb_mgr->i1_poc_buf_id_entries >= ps_dec->i4_display_delay) |
| { |
| for(i = 0; i < MAX_FRAMES; i++) |
| { |
| if((i4_poc_buf_id_map[i][0] != -1) |
| && (DO_NOT_DISP |
| != ps_dpb_mgr->ai4_poc_buf_id_map[i][0])) |
| { |
| if(i4_poc_buf_id_map[i][1] < i4_min_poc) |
| { |
| i4_min_poc = i4_poc_buf_id_map[i][1]; |
| i4_min_poc_buf_id = i4_poc_buf_id_map[i][0]; |
| i4_min_index = i; |
| } |
| } |
| } |
| |
| if((i4_min_index != -1) && (DO_NOT_DISP != i4_min_poc_buf_id)) |
| { |
| ps_dec->i4_cur_display_seq++; |
| ih264_disp_mgr_add( |
| (disp_mgr_t *)ps_dec->pv_disp_buf_mgr, |
| i4_min_poc_buf_id, ps_dec->i4_cur_display_seq, |
| ps_dec->apv_buf_id_pic_buf_map[i4_min_poc_buf_id]); |
| i4_poc_buf_id_map[i4_min_index][0] = -1; |
| i4_poc_buf_id_map[i4_min_index][1] = 0x7fffffff; |
| ps_dpb_mgr->i1_poc_buf_id_entries--; |
| } |
| else if(DO_NOT_DISP == i4_min_poc_buf_id) |
| { |
| WORD32 i4_error_code; |
| i4_error_code = ERROR_GAPS_IN_FRM_NUM; |
| // i4_error_code |= 1<<IVD_CORRUPTEDDATA; |
| return i4_error_code; |
| } |
| } |
| return OK; |
| } |
| |
| /*****************************************************************************/ |
| /* */ |
| /* Function Name : ih264d_release_display_bufs */ |
| /* */ |
| /* Description : This function implments bumping process when mmco = 5. */ |
| /* Each outgoing frame from DPB is assigned a display */ |
| /* sequence number which increases monotonically. System */ |
| /* looks for this number to display a frame. */ |
| /* Inputs : ps_dec - Decoder parameters */ |
| /* Globals : None */ |
| /* Processing : Refer bumping process in the standard for mmco = 5 */ |
| /* Outputs : Assigns display sequence number. */ |
| /* Returns : None */ |
| /* */ |
| /* Issues : None */ |
| /* */ |
| /* Revision History: */ |
| /* */ |
| /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| /* 27 04 2005 NS Draft */ |
| /* */ |
| /*****************************************************************************/ |
| void ih264d_release_display_bufs(dec_struct_t *ps_dec) |
| { |
| WORD32 i, j; |
| WORD32 i4_min_poc; |
| WORD32 i4_min_poc_buf_id; |
| WORD32 i4_min_index; |
| dpb_manager_t *ps_dpb_mgr = ps_dec->ps_dpb_mgr; |
| WORD32 (*i4_poc_buf_id_map)[3] = ps_dpb_mgr->ai4_poc_buf_id_map; |
| |
| i4_min_poc = 0x7fffffff; |
| i4_min_poc_buf_id = -1; |
| i4_min_index = -1; |
| |
| ih264d_delete_nonref_nondisplay_pics(ps_dpb_mgr); |
| |
| for(j = 0; j < ps_dpb_mgr->i1_poc_buf_id_entries; j++) |
| { |
| i4_min_poc = 0x7fffffff; |
| for(i = 0; i < MAX_FRAMES; i++) |
| { |
| if(i4_poc_buf_id_map[i][0] != -1) |
| { |
| if(i4_poc_buf_id_map[i][1] < i4_min_poc) |
| { |
| i4_min_poc = i4_poc_buf_id_map[i][1]; |
| i4_min_poc_buf_id = i4_poc_buf_id_map[i][0]; |
| i4_min_index = i; |
| } |
| } |
| } |
| |
| if(DO_NOT_DISP != i4_min_poc_buf_id) |
| { |
| ps_dec->i4_cur_display_seq++; |
| ih264_disp_mgr_add( |
| (disp_mgr_t *)ps_dec->pv_disp_buf_mgr, |
| i4_min_poc_buf_id, ps_dec->i4_cur_display_seq, |
| ps_dec->apv_buf_id_pic_buf_map[i4_min_poc_buf_id]); |
| i4_poc_buf_id_map[i4_min_index][0] = -1; |
| i4_poc_buf_id_map[i4_min_index][1] = 0x7fffffff; |
| ps_dpb_mgr->ai4_poc_buf_id_map[i4_min_index][2] = 0; |
| } |
| else |
| { |
| i4_poc_buf_id_map[i4_min_index][0] = -1; |
| i4_poc_buf_id_map[i4_min_index][1] = 0x7fffffff; |
| ps_dpb_mgr->ai4_poc_buf_id_map[i4_min_index][2] = 0; |
| } |
| } |
| ps_dpb_mgr->i1_poc_buf_id_entries = 0; |
| ps_dec->i4_prev_max_display_seq = ps_dec->i4_prev_max_display_seq |
| + ps_dec->i4_max_poc + ps_dec->u1_max_dec_frame_buffering |
| + 1; |
| ps_dec->i4_max_poc = 0; |
| } |
| |
| /*****************************************************************************/ |
| /* */ |
| /* Function Name : ih264d_assign_pic_num */ |
| /* */ |
| /* Description : This function assigns pic num to each reference frame */ |
| /* depending on the cur_frame_num as speified in section */ |
| /* 8.2.4.1 */ |
| /* */ |
| /* Inputs : ps_dec */ |
| /* */ |
| /* Globals : NO globals used */ |
| /* */ |
| /* Processing : for all ST pictures */ |
| /* if( FrameNum > cur_frame_num) */ |
| /* PicNum = FrameNum - MaxFrameNum */ |
| /* else */ |
| /* PicNum = FrameNum */ |
| /* */ |
| /* Returns : void */ |
| /* */ |
| /* Issues : NO */ |
| /* */ |
| /* Revision History: */ |
| /* */ |
| /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| /* 13 07 2002 Jay Draft */ |
| /* */ |
| /*****************************************************************************/ |
| |
| void ih264d_assign_pic_num(dec_struct_t *ps_dec) |
| { |
| dpb_manager_t *ps_dpb_mgr; |
| struct dpb_info_t *ps_next_dpb; |
| WORD8 i; |
| WORD32 i4_cur_frame_num, i4_max_frame_num; |
| WORD32 i4_ref_frame_num; |
| UWORD8 u1_fld_pic_flag = ps_dec->ps_cur_slice->u1_field_pic_flag; |
| |
| i4_max_frame_num = ps_dec->ps_cur_sps->u2_u4_max_pic_num_minus1 + 1; |
| i4_cur_frame_num = ps_dec->ps_cur_pic->i4_frame_num; |
| ps_dpb_mgr = ps_dec->ps_dpb_mgr; |
| |
| /* Start from ST head */ |
| ps_next_dpb = ps_dpb_mgr->ps_dpb_st_head; |
| for(i = 0; i < ps_dpb_mgr->u1_num_st_ref_bufs; i++) |
| { |
| WORD32 i4_pic_num; |
| |
| i4_ref_frame_num = ps_next_dpb->ps_pic_buf->i4_frame_num; |
| if(i4_ref_frame_num > i4_cur_frame_num) |
| { |
| /* RefPic Buf frame_num is before Current frame_num in decode order */ |
| i4_pic_num = i4_ref_frame_num - i4_max_frame_num; |
| } |
| else |
| { |
| /* RefPic Buf frame_num is after Current frame_num in decode order */ |
| i4_pic_num = i4_ref_frame_num; |
| } |
| |
| ps_next_dpb->ps_pic_buf->i4_pic_num = i4_pic_num; |
| ps_next_dpb->i4_frame_num = i4_pic_num; |
| ps_next_dpb->ps_pic_buf->u1_long_term_frm_idx = MAX_REF_BUFS + 1; |
| if(u1_fld_pic_flag) |
| { |
| /* Assign the pic num to top fields and bot fields */ |
| |
| ps_next_dpb->s_top_field.i4_pic_num = i4_pic_num * 2 |
| + !(ps_dec->ps_cur_slice->u1_bottom_field_flag); |
| ps_next_dpb->s_bot_field.i4_pic_num = i4_pic_num * 2 |
| + ps_dec->ps_cur_slice->u1_bottom_field_flag; |
| } |
| /* Chase the next link */ |
| ps_next_dpb = ps_next_dpb->ps_prev_short; |
| } |
| |
| if(ps_dec->ps_cur_sps->u1_gaps_in_frame_num_value_allowed_flag |
| && ps_dpb_mgr->u1_num_gaps) |
| { |
| WORD32 i4_start_frm, i4_end_frm; |
| /* Assign pic numbers for gaps */ |
| for(i = 0; i < MAX_FRAMES; i++) |
| { |
| i4_start_frm = ps_dpb_mgr->ai4_gaps_start_frm_num[i]; |
| if(i4_start_frm != INVALID_FRAME_NUM) |
| { |
| if(i4_start_frm > i4_cur_frame_num) |
| { |
| /* gap's frame_num is before Current frame_num in |
| decode order */ |
| i4_start_frm -= i4_max_frame_num; |
| } |
| ps_dpb_mgr->ai4_gaps_start_frm_num[i] = i4_start_frm; |
| i4_end_frm = ps_dpb_mgr->ai4_gaps_end_frm_num[i]; |
| |
| if(i4_end_frm > i4_cur_frame_num) |
| { |
| /* gap's frame_num is before Current frame_num in |
| decode order */ |
| i4_end_frm -= i4_max_frame_num; |
| } |
| ps_dpb_mgr->ai4_gaps_end_frm_num[i] = i4_end_frm; |
| } |
| } |
| } |
| } |
| |
| /*! |
| ************************************************************************** |
| * \if Function name : ih264d_update_qp \endif |
| * |
| * \brief |
| * Updates the values of QP and its related entities |
| * |
| * \return |
| * 0 on Success and Error code otherwise |
| * |
| ************************************************************************** |
| */ |
| WORD32 ih264d_update_qp(dec_struct_t * ps_dec, const WORD8 i1_qp) |
| { |
| WORD32 i_temp; |
| i_temp = (ps_dec->u1_qp + i1_qp + 52) % 52; |
| |
| if((i_temp < 0) || (i_temp > 51) || (i1_qp < -26) || (i1_qp > 25)) |
| return ERROR_INV_RANGE_QP_T; |
| |
| ps_dec->u1_qp = i_temp; |
| ps_dec->u1_qp_y_rem6 = ps_dec->u1_qp % 6; |
| ps_dec->u1_qp_y_div6 = ps_dec->u1_qp / 6; |
| i_temp = CLIP3(0, 51, ps_dec->u1_qp + ps_dec->ps_cur_pps->i1_chroma_qp_index_offset); |
| ps_dec->u1_qp_u_rem6 = MOD(gau1_ih264d_qp_scale_cr[12 + i_temp], 6); |
| ps_dec->u1_qp_u_div6 = DIV(gau1_ih264d_qp_scale_cr[12 + i_temp], 6); |
| |
| i_temp = CLIP3(0, 51, ps_dec->u1_qp + ps_dec->ps_cur_pps->i1_second_chroma_qp_index_offset); |
| ps_dec->u1_qp_v_rem6 = MOD(gau1_ih264d_qp_scale_cr[12 + i_temp], 6); |
| ps_dec->u1_qp_v_div6 = DIV(gau1_ih264d_qp_scale_cr[12 + i_temp], 6); |
| |
| ps_dec->pu2_quant_scale_y = |
| gau2_ih264_iquant_scale_4x4[ps_dec->u1_qp_y_rem6]; |
| ps_dec->pu2_quant_scale_u = |
| gau2_ih264_iquant_scale_4x4[ps_dec->u1_qp_u_rem6]; |
| ps_dec->pu2_quant_scale_v = |
| gau2_ih264_iquant_scale_4x4[ps_dec->u1_qp_v_rem6]; |
| return OK; |
| } |
| |
| /*****************************************************************************/ |
| /* */ |
| /* Function Name : ih264d_decode_gaps_in_frame_num */ |
| /* */ |
| /* Description : This function decodes gaps in frame number */ |
| /* */ |
| /* Inputs : ps_dec Decoder parameters */ |
| /* u2_frame_num current frame number */ |
| /* */ |
| /* Globals : None */ |
| /* Processing : This functionality needs to be implemented */ |
| /* Outputs : None */ |
| /* Returns : None */ |
| /* */ |
| /* Issues : Not implemented */ |
| /* */ |
| /* Revision History: */ |
| /* */ |
| /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| /* 06 05 2002 NS Draft */ |
| /* */ |
| /*****************************************************************************/ |
| WORD32 ih264d_decode_gaps_in_frame_num(dec_struct_t *ps_dec, |
| UWORD16 u2_frame_num) |
| { |
| UWORD32 u4_next_frm_num, u4_start_frm_num; |
| UWORD32 u4_max_frm_num; |
| pocstruct_t s_tmp_poc; |
| WORD32 i4_poc; |
| dec_slice_params_t *ps_cur_slice; |
| |
| dec_pic_params_t *ps_pic_params; |
| WORD8 i1_gap_idx; |
| WORD32 *i4_gaps_start_frm_num; |
| dpb_manager_t *ps_dpb_mgr; |
| WORD32 i4_frame_gaps; |
| WORD8 *pi1_gaps_per_seq; |
| WORD32 ret; |
| |
| ps_cur_slice = ps_dec->ps_cur_slice; |
| if(ps_cur_slice->u1_field_pic_flag) |
| { |
| if(ps_dec->u2_prev_ref_frame_num == u2_frame_num) |
| return 0; |
| } |
| |
| u4_next_frm_num = ps_dec->u2_prev_ref_frame_num + 1; |
| u4_max_frm_num = ps_dec->ps_cur_sps->u2_u4_max_pic_num_minus1 + 1; |
| |
| // check |
| if(u4_next_frm_num >= u4_max_frm_num) |
| { |
| u4_next_frm_num -= u4_max_frm_num; |
| } |
| |
| if(u4_next_frm_num == u2_frame_num) |
| { |
| return (0); |
| } |
| |
| // check |
| if((ps_dec->u1_nal_unit_type == IDR_SLICE_NAL) |
| && (u4_next_frm_num >= u2_frame_num)) |
| { |
| return (0); |
| } |
| u4_start_frm_num = u4_next_frm_num; |
| |
| s_tmp_poc.i4_pic_order_cnt_lsb = 0; |
| s_tmp_poc.i4_delta_pic_order_cnt_bottom = 0; |
| s_tmp_poc.i4_pic_order_cnt_lsb = 0; |
| s_tmp_poc.i4_delta_pic_order_cnt_bottom = 0; |
| s_tmp_poc.i4_delta_pic_order_cnt[0] = 0; |
| s_tmp_poc.i4_delta_pic_order_cnt[1] = 0; |
| |
| ps_cur_slice = ps_dec->ps_cur_slice; |
| ps_pic_params = ps_dec->ps_cur_pps; |
| |
| i4_frame_gaps = 0; |
| ps_dpb_mgr = ps_dec->ps_dpb_mgr; |
| |
| /* Find a empty slot to store gap seqn info */ |
| i4_gaps_start_frm_num = ps_dpb_mgr->ai4_gaps_start_frm_num; |
| for(i1_gap_idx = 0; i1_gap_idx < MAX_FRAMES; i1_gap_idx++) |
| { |
| if(INVALID_FRAME_NUM == i4_gaps_start_frm_num[i1_gap_idx]) |
| break; |
| } |
| if(MAX_FRAMES == i1_gap_idx) |
| { |
| UWORD32 i4_error_code; |
| i4_error_code = ERROR_DBP_MANAGER_T; |
| // i4_error_code |= 1<<IVD_CORRUPTEDDATA; |
| return i4_error_code; |
| } |
| |
| i4_poc = 0; |
| i4_gaps_start_frm_num[i1_gap_idx] = u4_start_frm_num; |
| ps_dpb_mgr->ai4_gaps_end_frm_num[i1_gap_idx] = u2_frame_num - 1; |
| pi1_gaps_per_seq = ps_dpb_mgr->ai1_gaps_per_seq; |
| pi1_gaps_per_seq[i1_gap_idx] = 0; |
| while(u4_next_frm_num != u2_frame_num) |
| { |
| ih264d_delete_nonref_nondisplay_pics(ps_dpb_mgr); |
| if(ps_pic_params->ps_sps->u1_pic_order_cnt_type) |
| { |
| /* allocate a picture buffer and insert it as ST node */ |
| ret = ih264d_decode_pic_order_cnt(0, u4_next_frm_num, |
| &ps_dec->s_prev_pic_poc, |
| &s_tmp_poc, ps_cur_slice, |
| ps_pic_params, 1, 0, 0, |
| &i4_poc); |
| if(ret != OK) |
| return ret; |
| |
| /* Display seq no calculations */ |
| if(i4_poc >= ps_dec->i4_max_poc) |
| ps_dec->i4_max_poc = i4_poc; |
| /* IDR Picture or POC wrap around */ |
| if(i4_poc == 0) |
| { |
| ps_dec->i4_prev_max_display_seq = |
| ps_dec->i4_prev_max_display_seq |
| + ps_dec->i4_max_poc |
| + ps_dec->u1_max_dec_frame_buffering |
| + 1; |
| ps_dec->i4_max_poc = 0; |
| } |
| |
| ps_cur_slice->u1_mmco_equalto5 = 0; |
| ps_cur_slice->u2_frame_num = u4_next_frm_num; |
| } |
| |
| // check |
| if(ps_dpb_mgr->i1_poc_buf_id_entries |
| >= ps_dec->u1_max_dec_frame_buffering) |
| { |
| ret = ih264d_assign_display_seq(ps_dec); |
| if(ret != OK) |
| return ret; |
| } |
| |
| ret = ih264d_insert_pic_in_display_list( |
| ps_dec->ps_dpb_mgr, (WORD8) DO_NOT_DISP, |
| (WORD32)(ps_dec->i4_prev_max_display_seq + i4_poc), |
| u4_next_frm_num); |
| if(ret != OK) |
| return ret; |
| |
| pi1_gaps_per_seq[i1_gap_idx]++; |
| ret = ih264d_do_mmco_for_gaps(ps_dpb_mgr, |
| ps_dec->ps_cur_sps->u1_num_ref_frames); |
| if(ret != OK) |
| return ret; |
| |
| ih264d_delete_nonref_nondisplay_pics(ps_dpb_mgr); |
| |
| u4_next_frm_num++; |
| if(u4_next_frm_num >= u4_max_frm_num) |
| { |
| u4_next_frm_num -= u4_max_frm_num; |
| } |
| |
| i4_frame_gaps++; |
| } |
| |
| return OK; |
| } |
| |
| /*! |
| ************************************************************************** |
| * \if Function name : ih264d_create_pic_buffers \endif |
| * |
| * \brief |
| * This function creates Picture Buffers. |
| * |
| * \return |
| * 0 on Success and -1 on error |
| ************************************************************************** |
| */ |
| WORD32 ih264d_create_pic_buffers(UWORD8 u1_num_of_buf, |
| dec_struct_t *ps_dec) |
| { |
| struct pic_buffer_t *ps_pic_buf; |
| UWORD8 i; |
| UWORD32 u4_luma_size, u4_chroma_size; |
| UWORD8 u1_frm = ps_dec->ps_cur_sps->u1_frame_mbs_only_flag; |
| WORD32 j; |
| UWORD8 *pu1_buf; |
| |
| ps_pic_buf = ps_dec->ps_pic_buf_base; |
| ih264_disp_mgr_init((disp_mgr_t *)ps_dec->pv_disp_buf_mgr); |
| ih264_buf_mgr_init((buf_mgr_t *)ps_dec->pv_pic_buf_mgr); |
| u4_luma_size = ps_dec->u2_frm_wd_y * ps_dec->u2_frm_ht_y; |
| u4_chroma_size = ps_dec->u2_frm_wd_uv * ps_dec->u2_frm_ht_uv; |
| |
| { |
| if(ps_dec->u4_share_disp_buf == 1) |
| { |
| /* In case of buffers getting shared between application and library |
| there is no need of reference memtabs. Instead of setting the i4_size |
| to zero, it is reduced to a small i4_size to ensure that changes |
| in the code are minimal */ |
| if((ps_dec->u1_chroma_format == IV_YUV_420SP_UV) |
| || (ps_dec->u1_chroma_format == IV_YUV_420SP_VU) |
| || (ps_dec->u1_chroma_format == IV_YUV_420P)) |
| { |
| u4_luma_size = 64; |
| } |
| |
| if(ps_dec->u1_chroma_format == IV_YUV_420SP_UV) |
| { |
| u4_chroma_size = 64; |
| } |
| |
| } |
| } |
| |
| pu1_buf = ps_dec->pu1_pic_buf_base; |
| |
| /* Allocate memory for refernce buffers */ |
| for(i = 0; i < u1_num_of_buf; i++) |
| { |
| UWORD32 u4_offset; |
| WORD32 buf_ret; |
| UWORD8 *pu1_luma, *pu1_chroma; |
| void *pv_mem_ctxt = ps_dec->pv_mem_ctxt; |
| |
| pu1_luma = pu1_buf; |
| pu1_buf += ALIGN64(u4_luma_size); |
| pu1_chroma = pu1_buf; |
| pu1_buf += ALIGN64(u4_chroma_size); |
| |
| /* Offset to the start of the pic from the top left corner of the frame |
| buffer */ |
| |
| if((0 == ps_dec->u4_share_disp_buf) |
| || (NULL == ps_dec->disp_bufs[i].buf[0])) |
| { |
| UWORD32 pad_len_h, pad_len_v; |
| |
| u4_offset = ps_dec->u2_frm_wd_y * (PAD_LEN_Y_V << 1) + PAD_LEN_Y_H; |
| ps_pic_buf->pu1_buf1 = (UWORD8 *)(pu1_luma) + u4_offset; |
| |
| pad_len_h = MAX(PAD_LEN_UV_H, (PAD_LEN_Y_H >> 1)); |
| pad_len_v = MAX(PAD_LEN_UV_V, PAD_LEN_Y_V); |
| |
| u4_offset = ps_dec->u2_frm_wd_uv * pad_len_v + pad_len_h; |
| |
| ps_pic_buf->pu1_buf2 = (UWORD8 *)(pu1_chroma) + u4_offset; |
| ps_pic_buf->pu1_buf3 = (UWORD8 *)(NULL) + u4_offset; |
| |
| } |
| else |
| { |
| UWORD32 pad_len_h, pad_len_v; |
| u4_offset = ps_dec->u2_frm_wd_y * (PAD_LEN_Y_V << 1) + PAD_LEN_Y_H; |
| ps_pic_buf->pu1_buf1 = (UWORD8 *)ps_dec->disp_bufs[i].buf[0] |
| + u4_offset; |
| |
| ps_dec->disp_bufs[i].u4_ofst[0] = u4_offset; |
| |
| if(ps_dec->u1_chroma_format == IV_YUV_420P) |
| { |
| pad_len_h = MAX(PAD_LEN_UV_H * YUV420SP_FACTOR, |
| (PAD_LEN_Y_H >> 1)); |
| pad_len_v = MAX(PAD_LEN_UV_V, PAD_LEN_Y_V); |
| |
| u4_offset = ps_dec->u2_frm_wd_uv * pad_len_v + pad_len_h; |
| ps_pic_buf->pu1_buf2 = (UWORD8 *)(pu1_chroma) + u4_offset; |
| ps_pic_buf->pu1_buf3 = (UWORD8 *)(NULL) + u4_offset; |
| |
| ps_dec->disp_bufs[i].u4_ofst[1] = u4_offset; |
| ps_dec->disp_bufs[i].u4_ofst[2] = u4_offset; |
| |
| } |
| else |
| { |
| pad_len_h = MAX(PAD_LEN_UV_H * YUV420SP_FACTOR, |
| (PAD_LEN_Y_H >> 1)); |
| pad_len_v = MAX(PAD_LEN_UV_V, PAD_LEN_Y_V); |
| |
| u4_offset = ps_dec->u2_frm_wd_uv * pad_len_v + pad_len_h; |
| ps_pic_buf->pu1_buf2 = (UWORD8 *)(ps_dec->disp_bufs[i].buf[1]) |
| + u4_offset; |
| ps_pic_buf->pu1_buf3 = (UWORD8 *)(ps_dec->disp_bufs[i].buf[1]) |
| + u4_offset; |
| |
| ps_dec->disp_bufs[i].u4_ofst[1] = u4_offset; |
| ps_dec->disp_bufs[i].u4_ofst[2] = u4_offset; |
| } |
| } |
| |
| ps_pic_buf->u2_frm_ht_y = ps_dec->u2_frm_ht_y; |
| ps_pic_buf->u2_frm_ht_uv = ps_dec->u2_frm_ht_uv; |
| ps_pic_buf->u2_frm_wd_y = ps_dec->u2_frm_wd_y; |
| ps_pic_buf->u2_frm_wd_uv = ps_dec->u2_frm_wd_uv; |
| |
| ps_pic_buf->u1_pic_buf_id = i; |
| |
| buf_ret = ih264_buf_mgr_add((buf_mgr_t *)ps_dec->pv_pic_buf_mgr, |
| ps_pic_buf, i); |
| if(0 != buf_ret) |
| { |
| ps_dec->i4_error_code = ERROR_BUF_MGR; |
| return ERROR_BUF_MGR; |
| } |
| |
| ps_dec->apv_buf_id_pic_buf_map[i] = (void *)ps_pic_buf; |
| ps_pic_buf++; |
| } |
| |
| if(1 == ps_dec->u4_share_disp_buf) |
| { |
| for(i = 0; i < u1_num_of_buf; i++) |
| ps_dec->u4_disp_buf_mapping[i] = 1; |
| } |
| return OK; |
| } |
| |
| /*! |
| ************************************************************************** |
| * \if Function name : ih264d_allocate_dynamic_bufs \endif |
| * |
| * \brief |
| * This function allocates memory required by Decoder. |
| * |
| * \param ps_dec: Pointer to dec_struct_t. |
| * |
| * \return |
| * Returns i4_status as returned by MemManager. |
| * |
| ************************************************************************** |
| */ |
| WORD16 ih264d_allocate_dynamic_bufs(dec_struct_t * ps_dec) |
| { |
| struct MemReq s_MemReq; |
| struct MemBlock *p_MemBlock; |
| |
| pred_info_t *ps_pred_frame; |
| dec_mb_info_t *ps_frm_mb_info; |
| dec_slice_struct_t *ps_dec_slice_buf; |
| UWORD8 *pu1_dec_mb_map, *pu1_recon_mb_map; |
| UWORD16 *pu2_slice_num_map; |
| |
| WORD16 *pi16_res_coeff; |
| WORD16 i16_status = 0; |
| UWORD8 uc_frmOrFld = (1 - ps_dec->ps_cur_sps->u1_frame_mbs_only_flag); |
| UWORD16 u4_luma_wd = ps_dec->u2_frm_wd_y; |
| UWORD16 u4_chroma_wd = ps_dec->u2_frm_wd_uv; |
| WORD8 c_i = 0; |
| dec_seq_params_t *ps_sps = ps_dec->ps_cur_sps; |
| UWORD32 u4_total_mbs = ps_sps->u2_total_num_of_mbs << uc_frmOrFld; |
| UWORD32 u4_wd_mbs = ps_dec->u2_frm_wd_in_mbs; |
| UWORD32 u4_ht_mbs = ps_dec->u2_frm_ht_in_mbs; |
| UWORD32 u4_blk_wd; |
| UWORD32 ui_size = 0; |
| UWORD32 u4_int_scratch_size = 0, u4_ref_pred_size = 0; |
| UWORD8 *pu1_buf; |
| WORD32 num_entries; |
| WORD32 size; |
| void *pv_buf; |
| UWORD32 u4_num_bufs; |
| UWORD32 u4_luma_size, u4_chroma_size; |
| void *pv_mem_ctxt = ps_dec->pv_mem_ctxt; |
| |
| size = u4_total_mbs; |
| pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| RETURN_IF((NULL == pv_buf), IV_FAIL); |
| ps_dec->pu1_dec_mb_map = pv_buf; |
| |
| size = u4_total_mbs; |
| pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| RETURN_IF((NULL == pv_buf), IV_FAIL); |
| ps_dec->pu1_recon_mb_map = pv_buf; |
| |
| size = u4_total_mbs * sizeof(UWORD16); |
| pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| RETURN_IF((NULL == pv_buf), IV_FAIL); |
| ps_dec->pu2_slice_num_map = pv_buf; |
| |
| /************************************************************/ |
| /* Post allocation Initialisations */ |
| /************************************************************/ |
| ps_dec->ps_parse_cur_slice = &(ps_dec->ps_dec_slice_buf[0]); |
| ps_dec->ps_decode_cur_slice = &(ps_dec->ps_dec_slice_buf[0]); |
| ps_dec->ps_computebs_cur_slice = &(ps_dec->ps_dec_slice_buf[0]); |
| |
| ps_dec->ps_pred_start = ps_dec->ps_pred; |
| |
| size = sizeof(parse_pmbarams_t) * (ps_dec->u1_recon_mb_grp); |
| pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| RETURN_IF((NULL == pv_buf), IV_FAIL); |
| ps_dec->ps_parse_mb_data = pv_buf; |
| |
| size = sizeof(parse_part_params_t) |
| * ((ps_dec->u1_recon_mb_grp) << 4); |
| pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| RETURN_IF((NULL == pv_buf), IV_FAIL); |
| ps_dec->ps_parse_part_params = pv_buf; |
| |
| size = ((u4_wd_mbs * sizeof(deblkmb_neighbour_t)) << uc_frmOrFld); |
| pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| RETURN_IF((NULL == pv_buf), IV_FAIL); |
| ps_dec->ps_deblk_top_mb = pv_buf; |
| |
| size = ((sizeof(ctxt_inc_mb_info_t)) |
| * (((u4_wd_mbs + 1) << uc_frmOrFld) + 1)); |
| pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| RETURN_IF((NULL == pv_buf), IV_FAIL); |
| ps_dec->p_ctxt_inc_mb_map = pv_buf; |
| |
| size = (sizeof(mv_pred_t) * ps_dec->u1_recon_mb_grp |
| * 16); |
| pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| RETURN_IF((NULL == pv_buf), IV_FAIL); |
| ps_dec->ps_mv_p[0] = pv_buf; |
| |
| size = (sizeof(mv_pred_t) * ps_dec->u1_recon_mb_grp |
| * 16); |
| pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| RETURN_IF((NULL == pv_buf), IV_FAIL); |
| ps_dec->ps_mv_p[1] = pv_buf; |
| |
| { |
| UWORD8 i; |
| for(i = 0; i < MV_SCRATCH_BUFS; i++) |
| { |
| size = (sizeof(mv_pred_t) |
| * ps_dec->u1_recon_mb_grp * 4); |
| pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| RETURN_IF((NULL == pv_buf), IV_FAIL); |
| ps_dec->ps_mv_top_p[i] = pv_buf; |
| } |
| } |
| |
| size = sizeof(UWORD8) * ((u4_wd_mbs + 2) * MB_SIZE) * 2; |
| pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| RETURN_IF((NULL == pv_buf), IV_FAIL); |
| ps_dec->pu1_y_intra_pred_line = pv_buf; |
| memset(ps_dec->pu1_y_intra_pred_line, 0, size); |
| ps_dec->pu1_y_intra_pred_line += MB_SIZE; |
| |
| size = sizeof(UWORD8) * ((u4_wd_mbs + 2) * MB_SIZE) * 2; |
| pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| RETURN_IF((NULL == pv_buf), IV_FAIL); |
| ps_dec->pu1_u_intra_pred_line = pv_buf; |
| memset(ps_dec->pu1_u_intra_pred_line, 0, size); |
| ps_dec->pu1_u_intra_pred_line += MB_SIZE; |
| |
| size = sizeof(UWORD8) * ((u4_wd_mbs + 2) * MB_SIZE) * 2; |
| pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| RETURN_IF((NULL == pv_buf), IV_FAIL); |
| ps_dec->pu1_v_intra_pred_line = pv_buf; |
| memset(ps_dec->pu1_v_intra_pred_line, 0, size); |
| ps_dec->pu1_v_intra_pred_line += MB_SIZE; |
| |
| if(ps_dec->u1_separate_parse) |
| { |
| /* Needs one extra row of info, to hold top row data */ |
| size = sizeof(mb_neigbour_params_t) |
| * 2 * ((u4_wd_mbs + 2) * (u4_ht_mbs + 1)); |
| } |
| else |
| { |
| size = sizeof(mb_neigbour_params_t) |
| * 2 * ((u4_wd_mbs + 2) << uc_frmOrFld); |
| } |
| pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| RETURN_IF((NULL == pv_buf), IV_FAIL); |
| |
| ps_dec->ps_nbr_mb_row = pv_buf; |
| memset(ps_dec->ps_nbr_mb_row, 0, size); |
| |
| /* Allocate deblock MB info */ |
| size = (u4_total_mbs + u4_wd_mbs) * sizeof(deblk_mb_t); |
| |
| pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| RETURN_IF((NULL == pv_buf), IV_FAIL); |
| ps_dec->ps_deblk_pic = pv_buf; |
| |
| memset(ps_dec->ps_deblk_pic, 0, size); |
| |
| /* Allocate frame level mb info */ |
| size = sizeof(dec_mb_info_t) * u4_total_mbs; |
| pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| RETURN_IF((NULL == pv_buf), IV_FAIL); |
| ps_dec->ps_frm_mb_info = pv_buf; |
| memset(ps_dec->ps_frm_mb_info, 0, size); |
| |
| /* Allocate memory for slice headers dec_slice_struct_t */ |
| num_entries = MAX_FRAMES; |
| if((1 >= ps_dec->ps_cur_sps->u1_num_ref_frames) && |
| (0 == ps_dec->i4_display_delay)) |
| { |
| num_entries = 1; |
| } |
| num_entries = ((2 * num_entries) + 1); |
| if(BASE_PROFILE_IDC != ps_dec->ps_cur_sps->u1_profile_idc) |
| { |
| num_entries *= 2; |
| } |
| |
| size = num_entries * sizeof(void *); |
| size += PAD_MAP_IDX_POC * sizeof(void *); |
| size *= u4_total_mbs; |
| size += sizeof(dec_slice_struct_t) * u4_total_mbs; |
| pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| RETURN_IF((NULL == pv_buf), IV_FAIL); |
| |
| ps_dec->ps_dec_slice_buf = pv_buf; |
| memset(ps_dec->ps_dec_slice_buf, 0, size); |
| pu1_buf = (UWORD8 *)ps_dec->ps_dec_slice_buf; |
| pu1_buf += sizeof(dec_slice_struct_t) * u4_total_mbs; |
| ps_dec->pv_map_ref_idx_to_poc_buf = (void *)pu1_buf; |
| |
| /* Allocate memory for packed pred info */ |
| num_entries = u4_total_mbs; |
| if(1 == ps_dec->ps_cur_sps->u1_num_ref_frames) |
| num_entries *= 16; |
| else |
| num_entries *= 16 * 2; |
| |
| size = sizeof(pred_info_pkd_t) * num_entries; |
| pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| RETURN_IF((NULL == pv_buf), IV_FAIL); |
| ps_dec->ps_pred_pkd = pv_buf; |
| |
| /* Allocate memory for coeff data */ |
| size = MB_LUM_SIZE * sizeof(WORD16); |
| /*For I16x16 MBs, 16 4x4 AC coeffs and 1 4x4 DC coeff TU blocks will be sent |
| For all MBs along with 8 4x4 AC coeffs 2 2x2 DC coeff TU blocks will be sent |
| So use 17 4x4 TU blocks for luma and 9 4x4 TU blocks for chroma */ |
| size += u4_total_mbs * (MAX(17 * sizeof(tu_sblk4x4_coeff_data_t),4 * sizeof(tu_blk8x8_coeff_data_t)) |
| + 9 * sizeof(tu_sblk4x4_coeff_data_t)); |
| //32 bytes for each mb to store u1_prev_intra4x4_pred_mode and u1_rem_intra4x4_pred_mode data |
| size += u4_total_mbs * 32; |
| pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| RETURN_IF((NULL == pv_buf), IV_FAIL); |
| |
| ps_dec->pi2_coeff_data = pv_buf; |
| |
| ps_dec->pv_pic_tu_coeff_data = (void *)(ps_dec->pi2_coeff_data + MB_LUM_SIZE); |
| |
| /* Allocate MV bank buffer */ |
| { |
| UWORD32 col_flag_buffer_size, mvpred_buffer_size; |
| |
| col_flag_buffer_size = ((ps_dec->u2_pic_wd * ps_dec->u2_pic_ht) >> 4); |
| mvpred_buffer_size = sizeof(mv_pred_t) |
| * ((ps_dec->u2_pic_wd * (ps_dec->u2_pic_ht + PAD_MV_BANK_ROW)) >> 4); |
| |
| u4_num_bufs = ps_dec->ps_cur_sps->u1_num_ref_frames + 1; |
| |
| u4_num_bufs = MIN(u4_num_bufs, ps_dec->u1_pic_bufs); |
| u4_num_bufs = MAX(u4_num_bufs, 2); |
| size = ALIGN64(mvpred_buffer_size) + ALIGN64(col_flag_buffer_size); |
| size *= u4_num_bufs; |
| pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| RETURN_IF((NULL == pv_buf), IV_FAIL); |
| ps_dec->pu1_mv_bank_buf_base = pv_buf; |
| } |
| |
| /* Allocate Pic buffer */ |
| u4_luma_size = ps_dec->u2_frm_wd_y * ps_dec->u2_frm_ht_y; |
| u4_chroma_size = ps_dec->u2_frm_wd_uv * ps_dec->u2_frm_ht_uv; |
| |
| { |
| if(ps_dec->u4_share_disp_buf == 1) |
| { |
| /* In case of buffers getting shared between application and library |
| there is no need of reference memtabs. Instead of setting the i4_size |
| to zero, it is reduced to a small i4_size to ensure that changes |
| in the code are minimal */ |
| if((ps_dec->u1_chroma_format == IV_YUV_420SP_UV) |
| || (ps_dec->u1_chroma_format == IV_YUV_420SP_VU) |
| || (ps_dec->u1_chroma_format == IV_YUV_420P)) |
| { |
| u4_luma_size = 64; |
| } |
| |
| if(ps_dec->u1_chroma_format == IV_YUV_420SP_UV) |
| { |
| u4_chroma_size = 64; |
| } |
| |
| } |
| } |
| |
| size = ALIGN64(u4_luma_size) + ALIGN64(u4_chroma_size); |
| size *= ps_dec->u1_pic_bufs; |
| pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| RETURN_IF((NULL == pv_buf), IV_FAIL); |
| ps_dec->pu1_pic_buf_base = pv_buf; |
| |
| /* 0th entry of CtxtIncMbMap will be always be containing default values |
| for CABAC context representing MB not available */ |
| ps_dec->p_ctxt_inc_mb_map += 1; |
| /* Post allocation Increment Actions */ |
| |
| /***************************************************************************/ |
| /*Initialize cabac context pointers for every SE that has fixed contextIdx */ |
| /***************************************************************************/ |
| { |
| bin_ctxt_model_t * const p_cabac_ctxt_table_t = |
| ps_dec->p_cabac_ctxt_table_t; |
| bin_ctxt_model_t * * p_coeff_abs_level_minus1_t = |
| ps_dec->p_coeff_abs_level_minus1_t; |
| bin_ctxt_model_t * * p_cbf_t = ps_dec->p_cbf_t; |
| |
| ps_dec->p_mb_field_dec_flag_t = p_cabac_ctxt_table_t |
| + MB_FIELD_DECODING_FLAG; |
| ps_dec->p_prev_intra4x4_pred_mode_flag_t = p_cabac_ctxt_table_t |
| + PREV_INTRA4X4_PRED_MODE_FLAG; |
| ps_dec->p_rem_intra4x4_pred_mode_t = p_cabac_ctxt_table_t |
| + REM_INTRA4X4_PRED_MODE; |
| ps_dec->p_intra_chroma_pred_mode_t = p_cabac_ctxt_table_t |
| + INTRA_CHROMA_PRED_MODE; |
| ps_dec->p_mb_qp_delta_t = p_cabac_ctxt_table_t + MB_QP_DELTA; |
| ps_dec->p_ref_idx_t = p_cabac_ctxt_table_t + REF_IDX; |
| ps_dec->p_mvd_x_t = p_cabac_ctxt_table_t + MVD_X; |
| ps_dec->p_mvd_y_t = p_cabac_ctxt_table_t + MVD_Y; |
| p_cbf_t[0] = p_cabac_ctxt_table_t + CBF + 0; |
| p_cbf_t[1] = p_cabac_ctxt_table_t + CBF + 4; |
| p_cbf_t[2] = p_cabac_ctxt_table_t + CBF + 8; |
| p_cbf_t[3] = p_cabac_ctxt_table_t + CBF + 12; |
| p_cbf_t[4] = p_cabac_ctxt_table_t + CBF + 16; |
| ps_dec->p_cbp_luma_t = p_cabac_ctxt_table_t + CBP_LUMA; |
| ps_dec->p_cbp_chroma_t = p_cabac_ctxt_table_t + CBP_CHROMA; |
| |
| p_coeff_abs_level_minus1_t[LUMA_DC_CTXCAT] = p_cabac_ctxt_table_t |
| + COEFF_ABS_LEVEL_MINUS1 + COEFF_ABS_LEVEL_CAT_0_OFFSET; |
| |
| p_coeff_abs_level_minus1_t[LUMA_AC_CTXCAT] = p_cabac_ctxt_table_t |
| + COEFF_ABS_LEVEL_MINUS1 + COEFF_ABS_LEVEL_CAT_1_OFFSET; |
| |
| p_coeff_abs_level_minus1_t[LUMA_4X4_CTXCAT] = p_cabac_ctxt_table_t |
| + COEFF_ABS_LEVEL_MINUS1 + COEFF_ABS_LEVEL_CAT_2_OFFSET; |
| |
| p_coeff_abs_level_minus1_t[CHROMA_DC_CTXCAT] = p_cabac_ctxt_table_t |
| + COEFF_ABS_LEVEL_MINUS1 + COEFF_ABS_LEVEL_CAT_3_OFFSET; |
| |
| p_coeff_abs_level_minus1_t[CHROMA_AC_CTXCAT] = p_cabac_ctxt_table_t |
| + COEFF_ABS_LEVEL_MINUS1 + COEFF_ABS_LEVEL_CAT_4_OFFSET; |
| |
| p_coeff_abs_level_minus1_t[LUMA_8X8_CTXCAT] = p_cabac_ctxt_table_t |
| + COEFF_ABS_LEVEL_MINUS1_8X8 |
| + COEFF_ABS_LEVEL_CAT_5_OFFSET; |
| |
| /********************************************************/ |
| /* context for the high profile related syntax elements */ |
| /* This is maintained seperately in s_high_profile */ |
| /********************************************************/ |
| { |
| |
| ps_dec->s_high_profile.ps_transform8x8_flag = p_cabac_ctxt_table_t |
| + TRANSFORM_SIZE_8X8_FLAG; |
| |
| ps_dec->s_high_profile.ps_sigcoeff_8x8_frame = p_cabac_ctxt_table_t |
| + SIGNIFICANT_COEFF_FLAG_8X8_FRAME; |
| |
| ps_dec->s_high_profile.ps_last_sigcoeff_8x8_frame = |
| p_cabac_ctxt_table_t |
| + LAST_SIGNIFICANT_COEFF_FLAG_8X8_FRAME; |
| |
| ps_dec->s_high_profile.ps_coeff_abs_levelminus1 = |
| p_cabac_ctxt_table_t + COEFF_ABS_LEVEL_MINUS1_8X8; |
| |
| ps_dec->s_high_profile.ps_sigcoeff_8x8_field = p_cabac_ctxt_table_t |
| + SIGNIFICANT_COEFF_FLAG_8X8_FIELD; |
| |
| ps_dec->s_high_profile.ps_last_sigcoeff_8x8_field = |
| p_cabac_ctxt_table_t |
| + LAST_SIGNIFICANT_COEFF_FLAG_8X8_FIELD; |
| } |
| } |
| return (i16_status); |
| } |
| |
| /*! |
| ************************************************************************** |
| * \if Function name : ih264d_free_dynamic_bufs \endif |
| * |
| * \brief |
| * This function frees dynamic memory allocated by Decoder. |
| * |
| * \param ps_dec: Pointer to dec_struct_t. |
| * |
| * \return |
| * Returns i4_status as returned by MemManager. |
| * |
| ************************************************************************** |
| */ |
| WORD16 ih264d_free_dynamic_bufs(dec_struct_t * ps_dec) |
| { |
| PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_bits_buf_dynamic); |
| |
| PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_deblk_pic); |
| PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_dec_mb_map); |
| PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_recon_mb_map); |
| PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu2_slice_num_map); |
| PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_dec_slice_buf); |
| PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_frm_mb_info); |
| PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pi2_coeff_data); |
| PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_parse_mb_data); |
| PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_parse_part_params); |
| PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_deblk_top_mb); |
| |
| if(ps_dec->p_ctxt_inc_mb_map) |
| { |
| ps_dec->p_ctxt_inc_mb_map -= 1; |
| PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->p_ctxt_inc_mb_map); |
| } |
| |
| PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_mv_p[0]); |
| PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_mv_p[1]); |
| PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_pred_pkd); |
| { |
| UWORD8 i; |
| for(i = 0; i < MV_SCRATCH_BUFS; i++) |
| { |
| PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_mv_top_p[i]); |
| } |
| } |
| |
| if(ps_dec->pu1_y_intra_pred_line) |
| { |
| ps_dec->pu1_y_intra_pred_line -= MB_SIZE; |
| } |
| PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_y_intra_pred_line); |
| |
| if(ps_dec->pu1_u_intra_pred_line) |
| { |
| ps_dec->pu1_u_intra_pred_line -= MB_SIZE; |
| } |
| PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_u_intra_pred_line); |
| |
| if(ps_dec->pu1_v_intra_pred_line) |
| { |
| ps_dec->pu1_v_intra_pred_line -= MB_SIZE; |
| } |
| PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_v_intra_pred_line); |
| PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_nbr_mb_row); |
| PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_mv_bank_buf_base); |
| PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_pic_buf_base); |
| return 0; |
| } |
| |
| /*! |
| ************************************************************************** |
| * \if Function name : ih264d_create_mv_bank \endif |
| * |
| * \brief |
| * This function creates MV bank. |
| * |
| * \param memType : Type of memory being handled |
| * 0: Display Buffer |
| * 1: Decoder Buffer |
| * 2: Internal Buffer |
| * \param u1_num_of_buf: Number of decode or display buffers. |
| * \param u4_wd : Frame width. |
| * \param u4_ht : Frame Height. |
| * \param ps_pic_buf_api : Pointer to Picture Buffer API. |
| * \param ih264d_dec_mem_manager : Memory manager utility supplied by system. |
| * |
| * \return |
| * 0 on Success and -1 on error |
| * |
| ************************************************************************** |
| */ |
| WORD32 ih264d_create_mv_bank(void *pv_dec, |
| UWORD32 ui_width, |
| UWORD32 ui_height) |
| { |
| UWORD8 i; |
| UWORD32 col_flag_buffer_size, mvpred_buffer_size; |
| UWORD8 *pu1_mv_buf_mgr_base, *pu1_mv_bank_base; |
| col_mv_buf_t *ps_col_mv; |
| mv_pred_t *ps_mv; |
| UWORD8 *pu1_col_zero_flag_buf; |
| dec_struct_t *ps_dec = (dec_struct_t *)pv_dec; |
| WORD32 buf_ret; |
| UWORD32 u4_num_bufs; |
| UWORD8 *pu1_buf; |
| WORD32 size; |
| void *pv_mem_ctxt = ps_dec->pv_mem_ctxt; |
| |
| col_flag_buffer_size = ((ui_width * ui_height) >> 4); |
| mvpred_buffer_size = sizeof(mv_pred_t) |
| * ((ui_width * (ui_height + PAD_MV_BANK_ROW)) >> 4); |
| |
| ih264_buf_mgr_init((buf_mgr_t *)ps_dec->pv_mv_buf_mgr); |
| |
| ps_col_mv = ps_dec->ps_col_mv_base; |
| |
| u4_num_bufs = ps_dec->ps_cur_sps->u1_num_ref_frames + 1; |
| |
| u4_num_bufs = MIN(u4_num_bufs, ps_dec->u1_pic_bufs); |
| u4_num_bufs = MAX(u4_num_bufs, 2); |
| pu1_buf = ps_dec->pu1_mv_bank_buf_base; |
| for(i = 0 ; i < u4_num_bufs ; i++) |
| { |
| pu1_col_zero_flag_buf = pu1_buf; |
| pu1_buf += ALIGN64(col_flag_buffer_size); |
| |
| ps_mv = (mv_pred_t *)pu1_buf; |
| pu1_buf += ALIGN64(mvpred_buffer_size); |
| |
| memset(ps_mv, 0, ((ui_width * OFFSET_MV_BANK_ROW) >> 4) * sizeof(mv_pred_t)); |
| ps_mv += (ui_width*OFFSET_MV_BANK_ROW) >> 4; |
| |
| ps_col_mv->pv_col_zero_flag = (void *)pu1_col_zero_flag_buf; |
| ps_col_mv->pv_mv = (void *)ps_mv; |
| buf_ret = ih264_buf_mgr_add((buf_mgr_t *)ps_dec->pv_mv_buf_mgr, ps_col_mv, i); |
| if(0 != buf_ret) |
| { |
| ps_dec->i4_error_code = ERROR_BUF_MGR; |
| return ERROR_BUF_MGR; |
| } |
| ps_col_mv++; |
| } |
| return OK; |
| } |
| |
| void ih264d_unpack_coeff4x4_dc_4x4blk(tu_sblk4x4_coeff_data_t *ps_tu_4x4, |
| WORD16 *pi2_out_coeff_data, |
| UWORD8 *pu1_inv_scan) |
| { |
| UWORD16 u2_sig_coeff_map = ps_tu_4x4->u2_sig_coeff_map; |
| WORD32 idx; |
| WORD16 *pi2_coeff_data = &ps_tu_4x4->ai2_level[0]; |
| |
| while(u2_sig_coeff_map) |
| { |
| idx = CLZ(u2_sig_coeff_map); |
| |
| idx = 31 - idx; |
| RESET_BIT(u2_sig_coeff_map,idx); |
| |
| idx = pu1_inv_scan[idx]; |
| pi2_out_coeff_data[idx] = *pi2_coeff_data++; |
| |
| } |
| } |
