/****************************************************************************** * * 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_thread_parse_decode.c * * \brief * Contains routines that for multi-thread decoder * * Detailed_description * * \date * 20/02/2012 * * \author ZR ************************************************************************** */ #include "ih264d_error_handler.h" #include "ih264d_debug.h" #include "ithread.h" #include #include "ih264d_defs.h" #include "ih264d_debug.h" #include "ih264d_tables.h" #include "ih264d_structs.h" #include "ih264d_defs.h" #include "ih264d_mb_utils.h" #include "ih264d_thread_parse_decode.h" #include "ih264d_inter_pred.h" #include "ih264d_process_pslice.h" #include "ih264d_process_intra_mb.h" #include "ih264d_deblocking.h" #include "ih264d_format_conv.h" void ih264d_deblock_mb_level(dec_struct_t *ps_dec, dec_mb_info_t *ps_cur_mb_info, UWORD32 nmb_index); void ih264d_copy_intra_pred_line(dec_struct_t *ps_dec, dec_mb_info_t *ps_cur_mb_info, UWORD32 nmb_index); void ih264d_parse_tfr_nmb(dec_struct_t * ps_dec, UWORD8 u1_mb_idx, UWORD8 u1_num_mbs, UWORD8 u1_num_mbs_next, UWORD8 u1_tfr_n_mb, UWORD8 u1_end_of_row) { WORD32 i, u4_mb_num; const UWORD32 u1_mbaff = ps_dec->ps_cur_slice->u1_mbaff_frame_flag; UWORD32 u4_n_mb_start; UNUSED(u1_mb_idx); UNUSED(u1_num_mbs_next); if(u1_tfr_n_mb) { u4_n_mb_start = (ps_dec->u2_cur_mb_addr + 1) - u1_num_mbs; // copy into s_frmMbInfo u4_mb_num = u4_n_mb_start; u4_mb_num = (ps_dec->u2_cur_mb_addr + 1) - u1_num_mbs; for(i = 0; i < u1_num_mbs; i++) { UPDATE_SLICE_NUM_MAP(ps_dec->pu2_slice_num_map, u4_mb_num, ps_dec->u2_cur_slice_num); DATA_SYNC(); UPDATE_MB_MAP_MBNUM_BYTE(ps_dec->pu1_dec_mb_map, u4_mb_num); u4_mb_num++; } /****************************************************************/ /* Check for End Of Row in Next iteration */ /****************************************************************/ /****************************************************************/ /* Transfer the Following things */ /* N-Mb DeblkParams Data ( To Ext DeblkParams Buffer ) */ /* N-Mb Recon Data ( To Ext Frame Buffer ) */ /* N-Mb Intrapredline Data ( Updated Internally) */ /* N-Mb MV Data ( To Ext MV Buffer ) */ /* N-Mb MVTop/TopRight Data ( To Int MV Top Scratch Buffers) */ /****************************************************************/ /* Swap top and current pointers */ ps_dec->s_tran_addrecon_parse.pu1_dest_y += ps_dec->s_tran_addrecon_parse.u4_inc_y[u1_end_of_row]; ps_dec->s_tran_addrecon_parse.pu1_dest_u += ps_dec->s_tran_addrecon_parse.u4_inc_uv[u1_end_of_row]; ps_dec->s_tran_addrecon_parse.pu1_dest_v += ps_dec->s_tran_addrecon_parse.u4_inc_uv[u1_end_of_row]; if(u1_end_of_row) { UWORD16 u2_mb_y; UWORD32 u4_frame_stride, y_offset; ps_dec->ps_top_mb_row = ps_dec->ps_cur_mb_row; ps_dec->ps_cur_mb_row += ((ps_dec->u2_frm_wd_in_mbs) << u1_mbaff); u2_mb_y = ps_dec->u2_mby + (1 + u1_mbaff); u4_frame_stride = ps_dec->u2_frm_wd_y << ps_dec->ps_cur_slice->u1_field_pic_flag; y_offset = (u2_mb_y * u4_frame_stride) << 4; ps_dec->s_tran_addrecon_parse.pu1_dest_y = ps_dec->s_cur_pic.pu1_buf1 + y_offset; u4_frame_stride = ps_dec->u2_frm_wd_uv << ps_dec->ps_cur_slice->u1_field_pic_flag; y_offset = (u2_mb_y * u4_frame_stride) << 3; ps_dec->s_tran_addrecon_parse.pu1_dest_u = ps_dec->s_cur_pic.pu1_buf2 + y_offset; ps_dec->s_tran_addrecon_parse.pu1_dest_v = ps_dec->s_cur_pic.pu1_buf3 + y_offset; } ps_dec->ps_deblk_mbn += u1_num_mbs; /* * The Slice boundary is also a valid condition to transfer. So recalculate * the Left increment, in case the number of MBs is lesser than the * N MB value. c_numMbs will be equal to N of N MB if the entire N Mb is * decoded. */ ps_dec->s_tran_addrecon.u2_mv_left_inc = ((u1_num_mbs >> u1_mbaff) - 1) << (4 + u1_mbaff); ps_dec->s_tran_addrecon.u2_mv_top_left_inc = (u1_num_mbs << 2) - 1 - (u1_mbaff << 2); /* reassign left MV and cur MV pointers */ ps_dec->ps_mv_left = ps_dec->ps_mv_cur + ps_dec->s_tran_addrecon.u2_mv_left_inc; ps_dec->ps_mv_cur += (u1_num_mbs << 4); ps_dec->u4_num_mbs_prev_nmb = u1_num_mbs; } } void ih264d_decode_tfr_nmb(dec_struct_t * ps_dec, UWORD8 u1_num_mbs, UWORD8 u1_num_mbs_next, UWORD8 u1_end_of_row) { UWORD32 u1_end_of_row_next; const UWORD32 u1_mbaff = ps_dec->ps_cur_slice->u1_mbaff_frame_flag; /****************************************************************/ /* Check for End Of Row in Next iteration */ /****************************************************************/ u1_end_of_row_next = u1_num_mbs_next && ((u1_num_mbs_next) <= (ps_dec->u1_recon_mb_grp >> u1_mbaff)); /****************************************************************/ /* Transfer the Following things */ /* N-Mb DeblkParams Data ( To Ext DeblkParams Buffer ) */ /* N-Mb Recon Data ( To Ext Frame Buffer ) */ /* N-Mb Intrapredline Data ( Updated Internally) */ /* N-Mb MV Data ( To Ext MV Buffer ) */ /* N-Mb MVTop/TopRight Data ( To Int MV Top Scratch Buffers) */ /****************************************************************/ if(u1_end_of_row) { ps_dec->i2_dec_thread_mb_y += (1 << u1_mbaff); } ih264d_transfer_mb_group_data(ps_dec, u1_num_mbs, u1_end_of_row, u1_end_of_row_next); } WORD32 ih264d_decode_recon_tfr_nmb_thread(dec_struct_t * ps_dec, UWORD8 u1_num_mbs, UWORD8 u1_num_mbs_next, UWORD8 u1_end_of_row) { WORD32 i,j; dec_mb_info_t * ps_cur_mb_info; UWORD32 u4_update_mbaff = 0; const UWORD32 u1_mbaff = ps_dec->ps_cur_slice->u1_mbaff_frame_flag; UWORD32 u1_slice_type, u1_B; WORD32 u1_skip_th; UWORD32 u1_ipcm_th; UWORD32 u4_cond; UWORD16 u2_slice_num,u2_cur_dec_mb_num; WORD32 ret; UWORD32 u4_mb_num; WORD32 nop_cnt = 8*128; u1_slice_type = ps_dec->ps_decode_cur_slice->slice_type; u1_B = (u1_slice_type == B_SLICE); u1_skip_th = ((u1_slice_type != I_SLICE) ? (u1_B ? B_8x8 : PRED_8x8R0) : -1); u1_ipcm_th = ((u1_slice_type != I_SLICE) ? (u1_B ? 23 : 5) : 0); u2_cur_dec_mb_num = ps_dec->cur_dec_mb_num; while(1) { UWORD32 u4_max_mb = (UWORD32)(ps_dec->i2_dec_thread_mb_y + (1 << u1_mbaff)) * ps_dec->u2_frm_wd_in_mbs - 1; u4_mb_num = u2_cur_dec_mb_num; /*introducing 1 MB delay*/ u4_mb_num = MIN(u4_mb_num + u1_num_mbs + 1, u4_max_mb); CHECK_MB_MAP_BYTE(u4_mb_num, ps_dec->pu1_dec_mb_map, u4_cond); if(u4_cond) { break; } else { if(nop_cnt > 0) { nop_cnt -= 128; NOP(128); } else { if(ps_dec->u4_output_present && (2 == ps_dec->u4_num_cores) && (ps_dec->u4_fmt_conv_cur_row < ps_dec->s_disp_frame_info.u4_y_ht)) { ps_dec->u4_fmt_conv_num_rows = MIN(FMT_CONV_NUM_ROWS, (ps_dec->s_disp_frame_info.u4_y_ht - ps_dec->u4_fmt_conv_cur_row)); ih264d_format_convert(ps_dec, &(ps_dec->s_disp_op), ps_dec->u4_fmt_conv_cur_row, ps_dec->u4_fmt_conv_num_rows); ps_dec->u4_fmt_conv_cur_row += ps_dec->u4_fmt_conv_num_rows; } else { nop_cnt = 8*128; ithread_yield(); } } } } /* N Mb MC Loop */ for(i = 0; i < u1_num_mbs; i++) { u4_mb_num = u2_cur_dec_mb_num; GET_SLICE_NUM_MAP(ps_dec->pu2_slice_num_map, u2_cur_dec_mb_num, u2_slice_num); if(u2_slice_num != ps_dec->u2_cur_slice_num_dec_thread) { ps_dec->u4_cur_slice_decode_done = 1; break; } ps_cur_mb_info = &ps_dec->ps_frm_mb_info[u2_cur_dec_mb_num]; ps_dec->u4_dma_buf_idx = 0; ps_dec->u4_pred_info_idx = 0; if(ps_cur_mb_info->u1_mb_type <= u1_skip_th) { WORD32 pred_cnt = 0; pred_info_pkd_t *ps_pred_pkd; UWORD32 u4_pred_info_pkd_idx; WORD8 i1_pred; u4_pred_info_pkd_idx = ps_cur_mb_info->u4_pred_info_pkd_idx; while(pred_cnt < ps_cur_mb_info->u1_num_pred_parts) { ps_pred_pkd = ps_dec->ps_pred_pkd + u4_pred_info_pkd_idx; ps_dec->p_form_mb_part_info_thread(ps_pred_pkd,ps_dec, ps_cur_mb_info->u2_mbx, ps_cur_mb_info->u2_mby, (i >> u1_mbaff), ps_cur_mb_info); u4_pred_info_pkd_idx++; pred_cnt++; } ps_dec->p_mc_dec_thread(ps_dec, ps_cur_mb_info); } else if(ps_cur_mb_info->u1_mb_type == MB_SKIP) { WORD32 pred_cnt = 0; pred_info_pkd_t *ps_pred_pkd; UWORD32 u4_pred_info_pkd_idx; WORD8 i1_pred; u4_pred_info_pkd_idx = ps_cur_mb_info->u4_pred_info_pkd_idx; while(pred_cnt < ps_cur_mb_info->u1_num_pred_parts) { ps_pred_pkd = ps_dec->ps_pred_pkd + u4_pred_info_pkd_idx; ps_dec->p_form_mb_part_info_thread(ps_pred_pkd,ps_dec, ps_cur_mb_info->u2_mbx, ps_cur_mb_info->u2_mby, (i >> u1_mbaff), ps_cur_mb_info); u4_pred_info_pkd_idx++; pred_cnt++; } /* Decode MB skip */ ps_dec->p_mc_dec_thread(ps_dec, ps_cur_mb_info); } u2_cur_dec_mb_num++; } /* N Mb IQ IT RECON Loop */ for(j = 0; j < i; j++) { ps_cur_mb_info = &ps_dec->ps_frm_mb_info[ps_dec->cur_dec_mb_num]; if((ps_dec->u4_num_cores == 2) || !ps_dec->i1_recon_in_thread3_flag) { if(ps_cur_mb_info->u1_mb_type <= u1_skip_th) { ih264d_process_inter_mb(ps_dec, ps_cur_mb_info, j); } else if(ps_cur_mb_info->u1_mb_type != MB_SKIP) { if((u1_ipcm_th + 25) != ps_cur_mb_info->u1_mb_type) { ps_cur_mb_info->u1_mb_type -= (u1_skip_th + 1); ih264d_process_intra_mb(ps_dec, ps_cur_mb_info, j); } } if(ps_dec->u4_use_intrapred_line_copy == 1) ih264d_copy_intra_pred_line(ps_dec, ps_cur_mb_info, j); } DATA_SYNC(); if(u1_mbaff) { if(u4_update_mbaff) { UWORD32 u4_mb_num = ps_cur_mb_info->u2_mbx + ps_dec->u2_frm_wd_in_mbs * (ps_cur_mb_info->u2_mby >> 1); UPDATE_MB_MAP_MBNUM_BYTE(ps_dec->pu1_recon_mb_map, u4_mb_num); u4_update_mbaff = 0; } else { u4_update_mbaff = 1; } } else { UWORD32 u4_mb_num = ps_cur_mb_info->u2_mbx + ps_dec->u2_frm_wd_in_mbs * ps_cur_mb_info->u2_mby; UPDATE_MB_MAP_MBNUM_BYTE(ps_dec->pu1_recon_mb_map, u4_mb_num); } ps_dec->cur_dec_mb_num++; } /*N MB deblocking*/ if(ps_dec->u4_nmb_deblk == 1) { UWORD32 u4_wd_y, u4_wd_uv; tfr_ctxt_t *ps_tfr_cxt = &(ps_dec->s_tran_addrecon); UWORD8 u1_field_pic_flag = ps_dec->ps_cur_slice->u1_field_pic_flag; const WORD32 i4_cb_qp_idx_ofst = ps_dec->ps_cur_pps->i1_chroma_qp_index_offset; const WORD32 i4_cr_qp_idx_ofst = ps_dec->ps_cur_pps->i1_second_chroma_qp_index_offset; u4_wd_y = ps_dec->u2_frm_wd_y << u1_field_pic_flag; u4_wd_uv = ps_dec->u2_frm_wd_uv << u1_field_pic_flag; ps_cur_mb_info = &ps_dec->ps_frm_mb_info[ps_dec->u4_cur_deblk_mb_num]; ps_dec->u4_deblk_mb_x = ps_cur_mb_info->u2_mbx; ps_dec->u4_deblk_mb_y = ps_cur_mb_info->u2_mby; for(j = 0; j < i; j++) { ih264d_deblock_mb_nonmbaff(ps_dec, ps_tfr_cxt, i4_cb_qp_idx_ofst, i4_cr_qp_idx_ofst, u4_wd_y, u4_wd_uv); } } /*handle the last mb in picture case*/ if(ps_dec->cur_dec_mb_num > ps_dec->ps_cur_sps->u2_max_mb_addr) ps_dec->u4_cur_slice_decode_done = 1; if(i != u1_num_mbs) { u1_end_of_row = 0; /*Number of MB's left in row*/ u1_num_mbs_next = u1_num_mbs_next + ((u1_num_mbs - i) >> u1_mbaff); } ih264d_decode_tfr_nmb(ps_dec, (i), u1_num_mbs_next, u1_end_of_row); return OK; } WORD32 ih264d_decode_slice_thread(dec_struct_t *ps_dec) { UWORD8 u1_num_mbs_next, u1_num_mbsleft, u1_end_of_row = 0; const UWORD32 i2_pic_wdin_mbs = ps_dec->u2_frm_wd_in_mbs; UWORD8 u1_mbaff, u1_num_mbs; UWORD16 u2_first_mb_in_slice; UWORD16 i16_mb_x, i16_mb_y; UWORD8 u1_field_pic; UWORD32 u4_frame_stride, x_offset, y_offset; WORD32 ret; tfr_ctxt_t *ps_trns_addr; /*check for mb map of first mb in slice to ensure slice header is parsed*/ while(1) { UWORD32 u4_mb_num = ps_dec->cur_dec_mb_num; UWORD32 u4_cond = 0; WORD32 nop_cnt = 8 * 128; CHECK_MB_MAP_BYTE(u4_mb_num, ps_dec->pu1_dec_mb_map, u4_cond); if(u4_cond) { break; } else { if(nop_cnt > 0) { nop_cnt -= 128; NOP(128); } else if(ps_dec->u4_output_present && (2 == ps_dec->u4_num_cores) && (ps_dec->u4_fmt_conv_cur_row < ps_dec->s_disp_frame_info.u4_y_ht)) { ps_dec->u4_fmt_conv_num_rows = MIN(FMT_CONV_NUM_ROWS, (ps_dec->s_disp_frame_info.u4_y_ht - ps_dec->u4_fmt_conv_cur_row)); ih264d_format_convert(ps_dec, &(ps_dec->s_disp_op), ps_dec->u4_fmt_conv_cur_row, ps_dec->u4_fmt_conv_num_rows); ps_dec->u4_fmt_conv_cur_row += ps_dec->u4_fmt_conv_num_rows; } else { nop_cnt = 8*128; ithread_yield(); } DEBUG_THREADS_PRINTF("waiting for mb mapcur_dec_mb_num = %d,ps_dec->u2_cur_mb_addr = %d\n",u2_cur_dec_mb_num, ps_dec->u2_cur_mb_addr); } } u1_mbaff = ps_dec->ps_cur_slice->u1_mbaff_frame_flag; u2_first_mb_in_slice = ps_dec->ps_decode_cur_slice->u4_first_mb_in_slice; i16_mb_x = MOD(u2_first_mb_in_slice, i2_pic_wdin_mbs); i16_mb_y = DIV(u2_first_mb_in_slice, i2_pic_wdin_mbs); i16_mb_y <<= u1_mbaff; ps_dec->i2_dec_thread_mb_y = i16_mb_y; ps_dec->cur_dec_mb_num = u2_first_mb_in_slice << u1_mbaff; if((ps_dec->u4_num_cores == 2) || !ps_dec->i1_recon_in_thread3_flag) { ps_dec->pv_proc_tu_coeff_data = (void *) ps_dec->ps_decode_cur_slice->pv_tu_coeff_data_start; } // recalculate recon pointers u1_field_pic = ps_dec->ps_cur_slice->u1_field_pic_flag; u4_frame_stride = ps_dec->u2_frm_wd_y << u1_field_pic; x_offset = i16_mb_x << 4; y_offset = (i16_mb_y * u4_frame_stride) << 4; ps_trns_addr = &(ps_dec->s_tran_addrecon); ps_trns_addr->pu1_dest_y = ps_dec->s_cur_pic.pu1_buf1 + x_offset + y_offset; u4_frame_stride = ps_dec->u2_frm_wd_uv << u1_field_pic; x_offset >>= 1; y_offset = (i16_mb_y * u4_frame_stride) << 3; x_offset *= YUV420SP_FACTOR; ps_trns_addr->pu1_dest_u = ps_dec->s_cur_pic.pu1_buf2 + x_offset + y_offset; ps_trns_addr->pu1_dest_v = ps_dec->s_cur_pic.pu1_buf3 + x_offset + y_offset; ps_trns_addr->pu1_mb_y = ps_trns_addr->pu1_dest_y; ps_trns_addr->pu1_mb_u = ps_trns_addr->pu1_dest_u; ps_trns_addr->pu1_mb_v = ps_trns_addr->pu1_dest_v; /**********Number of Mbs in Slice**********/ ps_dec->ps_deblk_mbn_dec_thrd = ps_dec->ps_deblk_pic + (u2_first_mb_in_slice << u1_mbaff); /* Initialise MC and formMbPartInfo fn ptrs one time based on profile_idc */ { ps_dec->p_mc_dec_thread = ih264d_motion_compensate_bp; ps_dec->p_form_mb_part_info_thread = ih264d_form_mb_part_info_bp; } { UWORD8 uc_nofield_nombaff; uc_nofield_nombaff = ((ps_dec->ps_cur_slice->u1_field_pic_flag == 0) && (ps_dec->ps_cur_slice->u1_mbaff_frame_flag == 0) && (ps_dec->ps_decode_cur_slice->slice_type != B_SLICE) && (ps_dec->ps_cur_pps->u1_wted_pred_flag == 0)); if(uc_nofield_nombaff == 0) { ps_dec->p_mc_dec_thread = ih264d_motion_compensate_mp; ps_dec->p_form_mb_part_info_thread = ih264d_form_mb_part_info_mp; } } ps_dec->u4_cur_slice_decode_done = 0; while(ps_dec->u4_cur_slice_decode_done != 1) { u1_num_mbsleft = ((i2_pic_wdin_mbs - i16_mb_x) << u1_mbaff); if(u1_num_mbsleft <= ps_dec->u1_recon_mb_grp) { u1_num_mbs = u1_num_mbsleft; /*Indicate number of mb's left in a row*/ u1_num_mbs_next = 0; u1_end_of_row = 1; i16_mb_x = 0; } else { u1_num_mbs = ps_dec->u1_recon_mb_grp; /*Indicate number of mb's left in a row*/ u1_num_mbs_next = i2_pic_wdin_mbs - i16_mb_x - (ps_dec->u1_recon_mb_grp >> u1_mbaff); i16_mb_x += (u1_num_mbs >> u1_mbaff); u1_end_of_row = 0; } ret = ih264d_decode_recon_tfr_nmb_thread(ps_dec, u1_num_mbs, u1_num_mbs_next, u1_end_of_row); if(ret != OK) return ret; } return OK; } void ih264d_decode_picture_thread(dec_struct_t *ps_dec ) { ithread_set_name("ih264d_decode_picture_thread"); while(1) { /*Complete all writes before processing next slice*/ DEBUG_THREADS_PRINTF(" Entering decode slice\n"); ih264d_decode_slice_thread(ps_dec); DEBUG_THREADS_PRINTF(" Exit ih264d_decode_slice_thread \n"); if(ps_dec->cur_dec_mb_num > ps_dec->ps_cur_sps->u2_max_mb_addr) { /*Last slice in frame*/ break; } else { ps_dec->ps_decode_cur_slice++; ps_dec->u2_cur_slice_num_dec_thread++; } } if(ps_dec->u4_output_present && (2 == ps_dec->u4_num_cores) && (ps_dec->u4_fmt_conv_cur_row < ps_dec->s_disp_frame_info.u4_y_ht)) { ps_dec->u4_fmt_conv_num_rows = (ps_dec->s_disp_frame_info.u4_y_ht - ps_dec->u4_fmt_conv_cur_row); ih264d_format_convert(ps_dec, &(ps_dec->s_disp_op), ps_dec->u4_fmt_conv_cur_row, ps_dec->u4_fmt_conv_num_rows); ps_dec->u4_fmt_conv_cur_row += ps_dec->u4_fmt_conv_num_rows; } } void ih264d_signal_decode_thread(dec_struct_t *ps_dec) { if(ps_dec->u4_dec_thread_created == 1) { ithread_join(ps_dec->pv_dec_thread_handle, NULL); ps_dec->u4_dec_thread_created = 0; } } void ih264d_signal_bs_deblk_thread(dec_struct_t *ps_dec) { if(ps_dec->u4_bs_deblk_thread_created) { ithread_join(ps_dec->pv_bs_deblk_thread_handle, NULL); ps_dec->u4_bs_deblk_thread_created = 0; } }