/****************************************************************************** * * Copyright (C) 2018 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ***************************************************************************** * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore */ /** ****************************************************************************** * @file ihevce_entropy_interface.c * * @brief * This file contains function definitions for entropy interface related to * memory init and process apis * * @author * Ittiam * * List of Functions * ihevce_entropy_get_num_mem_recs() * ihevce_entropy_size_of_out_buffer() * ihevce_entropy_get_mem_recs() * ihevce_entropy_init() * ihevce_entropy_encode_frame() * ****************************************************************************** */ /*****************************************************************************/ /* File Includes */ /*****************************************************************************/ /* System include files */ #include #include #include #include #include #include /* User include files */ #include "ihevc_typedefs.h" #include "itt_video_api.h" #include "ihevce_api.h" #include "rc_cntrl_param.h" #include "rc_frame_info_collector.h" #include "rc_look_ahead_params.h" #include "ihevc_defs.h" #include "ihevc_macros.h" #include "ihevc_debug.h" #include "ihevc_structs.h" #include "ihevc_platform_macros.h" #include "ihevc_deblk.h" #include "ihevc_itrans_recon.h" #include "ihevc_chroma_itrans_recon.h" #include "ihevc_chroma_intra_pred.h" #include "ihevc_intra_pred.h" #include "ihevc_inter_pred.h" #include "ihevc_mem_fns.h" #include "ihevc_padding.h" #include "ihevc_weighted_pred.h" #include "ihevc_sao.h" #include "ihevc_resi_trans.h" #include "ihevc_quant_iquant_ssd.h" #include "ihevc_cabac_tables.h" #include "ihevc_trans_tables.h" #include "ihevc_trans_macros.h" #include "ihevce_defs.h" #include "ihevce_lap_enc_structs.h" #include "ihevce_multi_thrd_structs.h" #include "ihevce_multi_thrd_funcs.h" #include "ihevce_me_common_defs.h" #include "ihevce_had_satd.h" #include "ihevce_error_codes.h" #include "ihevce_error_checks.h" #include "ihevce_bitstream.h" #include "ihevce_cabac.h" #include "ihevce_rdoq_macros.h" #include "ihevce_function_selector.h" #include "ihevce_enc_structs.h" #include "ihevce_global_tables.h" #include "ihevce_entropy_structs.h" #include "ihevce_entropy_interface.h" #include "ihevce_encode_header.h" #include "ihevce_encode_header_sei_vui.h" #include "ihevce_trace.h" #include "cast_types.h" #include "osal.h" #include "osal_defaults.h" /*****************************************************************************/ /* Function Definitions */ /*****************************************************************************/ /** ****************************************************************************** * * @brief Number of memory records are returned for entropy module * * @par Description * * @return number of memory records * ****************************************************************************** */ WORD32 ihevce_entropy_get_num_mem_recs(void) { return (NUM_ENTROPY_MEM_RECS); } /** ****************************************************************************** * * @brief Estimated bitstream buffer size basing on input dimensions * * @par Description * * @return bitstream buffer size * ****************************************************************************** */ WORD32 ihevce_entropy_size_of_out_buffer(frm_proc_ent_cod_ctxt_t *ps_curr_inp) { WORD32 i4_size; i4_size = (WORD32)( ps_curr_inp->ps_sps->i2_pic_height_in_luma_samples * ps_curr_inp->ps_sps->i2_pic_width_in_luma_samples); return (i4_size); } /** ****************************************************************************** * * @brief Populates Memory requirements of the entropy module * * @par Description * * @param[inout] ps_mem_tab * pointer to memory descriptors table * * @param[in] ps_init_prms * Create time static parameters * * @param[in] i4_mem_space * memspace in whihc memory request should be done * * @return number of memory requirements filled * ****************************************************************************** */ WORD32 ihevce_entropy_get_mem_recs( iv_mem_rec_t *ps_mem_tab, ihevce_static_cfg_params_t *ps_init_prms, WORD32 i4_mem_space, WORD32 i4_resolution_id) { /* memories should be requested assuming worst case requirememnts */ WORD32 max_width = ps_init_prms->s_tgt_lyr_prms.as_tgt_params[i4_resolution_id].i4_width; WORD32 max_height = ps_init_prms->s_tgt_lyr_prms.as_tgt_params[i4_resolution_id].i4_height; WORD32 max_align_width = ALIGN64(max_width); WORD32 max_align_height = ALIGN64(max_height); /* Module context structure */ ps_mem_tab[ENTROPY_CTXT].i4_mem_size = sizeof(entropy_context_t); ps_mem_tab[ENTROPY_CTXT].e_mem_type = (IV_MEM_TYPE_T)i4_mem_space; ps_mem_tab[ENTROPY_CTXT].i4_mem_alignment = 64; /* top row cu skip flags (1 bit per 8x8CU) */ ps_mem_tab[ENTROPY_TOP_SKIP_FLAGS].i4_mem_size = max_align_width >> 6; ps_mem_tab[ENTROPY_TOP_SKIP_FLAGS].e_mem_type = (IV_MEM_TYPE_T)i4_mem_space; ps_mem_tab[ENTROPY_TOP_SKIP_FLAGS].i4_mem_alignment = 64; /* top row CU Depth (1 byte per 8x8CU) */ ps_mem_tab[ENTROPY_TOP_CU_DEPTH].i4_mem_size = (max_align_width >> 3); ps_mem_tab[ENTROPY_TOP_CU_DEPTH].e_mem_type = (IV_MEM_TYPE_T)i4_mem_space; ps_mem_tab[ENTROPY_TOP_CU_DEPTH].i4_mem_alignment = 64; /* Dummy_buffer to handle first pass MBR case*/ ps_mem_tab[ENTROPY_DUMMY_OUT_BUF].i4_mem_size = (max_align_width * max_align_height * 2); ps_mem_tab[ENTROPY_DUMMY_OUT_BUF].e_mem_type = (IV_MEM_TYPE_T)i4_mem_space; ps_mem_tab[ENTROPY_DUMMY_OUT_BUF].i4_mem_alignment = 64; return (NUM_ENTROPY_MEM_RECS); } /** ****************************************************************************** * * @brief Intialization of entropy module * * @par Description * pointers of the memory requests done in ihevce_entropy_get_mem_recs() are * used to initialized the entropy module and the handle is returned * * @param[inout] ps_mem_tab * pointer to memory descriptors table * * @param[in] ps_init_prms * Create time static parameters * * @return * Handle of the entropy module returned as void ptr * ****************************************************************************** */ void *ihevce_entropy_init( iv_mem_rec_t *ps_mem_tab, ihevce_static_cfg_params_t *ps_init_prms, void *pv_tile_params_base, WORD32 i4_res_id) { entropy_context_t *ps_entropy_ctxt; /* Entropy state structure */ ps_entropy_ctxt = (entropy_context_t *)ps_mem_tab[ENTROPY_CTXT].pv_base; memset(ps_entropy_ctxt, 0, sizeof(entropy_context_t)); ps_entropy_ctxt->pu1_skip_cu_top = (UWORD8 *)ps_mem_tab[ENTROPY_TOP_SKIP_FLAGS].pv_base; ps_entropy_ctxt->pu1_cu_depth_top = (UWORD8 *)ps_mem_tab[ENTROPY_TOP_CU_DEPTH].pv_base; ps_entropy_ctxt->pv_dummy_out_buf = ps_mem_tab[ENTROPY_DUMMY_OUT_BUF].pv_base; ps_entropy_ctxt->i4_bitstream_buf_size = ps_mem_tab[ENTROPY_DUMMY_OUT_BUF].i4_mem_size; /* perform all one time initialisation here */ /*************************************************************************/ /* Note pu1_cbf_cb, pu1_cbf_cr initialization are done with array idx 1 */ /* This is because these flags are accessed as pu1_cbf_cb[tfr_depth - 1] */ /* without cheking for tfr_depth= 0 */ /*************************************************************************/ ps_entropy_ctxt->apu1_cbf_cb[0] = &ps_entropy_ctxt->au1_cbf_cb[0][1]; ps_entropy_ctxt->apu1_cbf_cr[0] = &ps_entropy_ctxt->au1_cbf_cr[0][1]; ps_entropy_ctxt->apu1_cbf_cb[1] = &ps_entropy_ctxt->au1_cbf_cb[1][1]; ps_entropy_ctxt->apu1_cbf_cr[1] = &ps_entropy_ctxt->au1_cbf_cr[1][1]; memset(ps_entropy_ctxt->au1_cbf_cb, 0, (MAX_TFR_DEPTH + 1) * 2 * sizeof(UWORD8)); /* register codec level */ ps_entropy_ctxt->i4_codec_level = ps_init_prms->s_tgt_lyr_prms.as_tgt_params[i4_res_id].i4_codec_level; /* Flag to enable/disable insertion of SPS, VPS & PPS at every CRA frame */ ps_entropy_ctxt->i4_sps_at_cdr_enable = ps_init_prms->s_out_strm_prms.i4_sps_at_cdr_enable; /* Store Tile params base into entropy context */ ps_entropy_ctxt->pv_tile_params_base = pv_tile_params_base; ps_entropy_ctxt->pv_sys_api = (void *)&ps_init_prms->s_sys_api; ps_entropy_ctxt->i4_slice_segment_mode = ps_init_prms->s_slice_params.i4_slice_segment_mode; /* Set slice segment length */ if((ps_entropy_ctxt->i4_slice_segment_mode == 1) || (ps_entropy_ctxt->i4_slice_segment_mode == 2)) { ps_entropy_ctxt->i4_slice_segment_max_length = ps_init_prms->s_slice_params.i4_slice_segment_argument; } else { ps_entropy_ctxt->i4_slice_segment_max_length = 0; } /* return the handle to caller */ return ((void *)ps_entropy_ctxt); } /** ****************************************************************************** * * @brief entry point for entropy coding of a frame * * @par Description * This function generates nal headers like SPS/PPS/slice header and call the * slice data entropy coding function * * @param[in] ps_enc_ctxt * pointer to encoder context (handle) * * @param[out] ps_curr_out * pointer to output data buffer context where bitstream is generated * * @param[out] ps_curr_inp * pointer to entropy input params context * * @return success or failure error code * ****************************************************************************** */ WORD32 ihevce_entropy_encode_frame( void *pv_entropy_hdl, iv_output_data_buffs_t *ps_curr_out, frm_proc_ent_cod_ctxt_t *ps_curr_inp, WORD32 i4_out_buf_size) { WORD32 ret = IHEVCE_SUCCESS; WORD32 tile_ctr, total_tiles = 1; entropy_context_t *ps_entropy_ctxt = (entropy_context_t *)pv_entropy_hdl; /* current frame slice type and nal type */ WORD32 slice_type = ps_curr_inp->s_slice_hdr.i1_slice_type; /* current frame slice type and nal type */ WORD32 nal_type = ps_curr_inp->i4_slice_nal_type; /* read vps, sps and pps from input params */ vps_t *ps_vps = ps_curr_inp->ps_vps; sps_t *ps_sps = ps_curr_inp->ps_sps; pps_t *ps_pps = ps_curr_inp->ps_pps; sei_params_t *ps_sei = &ps_curr_inp->s_sei; ihevce_tile_params_t *ps_tile_params_base; WORD32 out_buf_size = i4_out_buf_size; /* Headers are repeated once per IDR. Should be changed to every CRA */ WORD32 insert_vps_sps_pps = ((slice_type == ISLICE) && (((NAL_IDR_N_LP == nal_type) || (NAL_CRA == nal_type)) || (NAL_IDR_W_LP == nal_type))); WORD32 insert_per_cra = ((slice_type == ISLICE) && (((NAL_IDR_N_LP == nal_type) || (NAL_CRA == nal_type)) || (NAL_IDR_W_LP == nal_type))); bitstrm_t *ps_bitstrm = &ps_entropy_ctxt->s_bit_strm; ULWORD64 u8_bits_slice_header_prev; WORD32 i4_slice_segment_max_length_bckp; WORD32 i4_max_num_slices; ihevce_sys_api_t *ps_sys_api = (ihevce_sys_api_t *)ps_entropy_ctxt->pv_sys_api; #if POPULATE_NAL_OFFSET ULWORD64 u8_bitstream_base = (ULWORD64)ps_curr_out->pv_bitstream_bufs; #endif if(0 == ps_entropy_ctxt->i4_sps_at_cdr_enable) { insert_vps_sps_pps = ((slice_type == ISLICE) && ((NAL_IDR_N_LP == nal_type) || (NAL_IDR_W_LP == nal_type))); } /* intialize vps, sps, pps, sei and slice header in entropy context */ ps_entropy_ctxt->ps_vps = ps_vps; ps_entropy_ctxt->ps_sps = ps_sps; ps_entropy_ctxt->ps_pps = ps_pps; ps_entropy_ctxt->ps_sei = ps_sei; ps_entropy_ctxt->ps_slice_hdr = &ps_curr_inp->s_slice_hdr; ps_entropy_ctxt->i4_is_cu_cbf_zero = 1; ps_entropy_ctxt->ps_pic_level_info = &ps_curr_inp->s_pic_level_info; /* intialize the frame level ctb pointer for current slice */ ps_entropy_ctxt->ps_frm_ctb = ps_curr_inp->ps_frm_ctb_data; /* Initiallizing to indicate the start of frame */ ps_entropy_ctxt->i4_next_slice_seg_x = 0; ps_entropy_ctxt->i4_next_slice_seg_y = 0; /* enable the residue encode flag */ ps_entropy_ctxt->i4_enable_res_encode = 1; /* Initialize the bitstream engine */ ret |= ihevce_bitstrm_init(ps_bitstrm, (UWORD8 *)ps_curr_out->pv_bitstream_bufs, out_buf_size); /* Reset Bitstream NAL counter */ ps_bitstrm->i4_num_nal = 0; /*PIC INFO: Store the Bits before slice header is encoded*/ u8_bits_slice_header_prev = (ps_bitstrm->u4_strm_buf_offset * 8); /* generate AUD if enabled from the application */ if(1 == ps_curr_inp->i1_aud_present_flag) { UWORD8 u1_pic_type; switch(slice_type) { case ISLICE: u1_pic_type = 0; break; case PSLICE: u1_pic_type = 1; break; default: u1_pic_type = 2; break; } ret |= ihevce_generate_aud(ps_bitstrm, u1_pic_type); } if(insert_vps_sps_pps) { /* generate vps */ ret |= ihevce_generate_vps(ps_bitstrm, ps_entropy_ctxt->ps_vps); /* generate sps */ ret |= ihevce_generate_sps(ps_bitstrm, ps_entropy_ctxt->ps_sps); /* generate pps */ ret |= ihevce_generate_pps(ps_bitstrm, ps_entropy_ctxt->ps_pps); } /* generate sei */ if(1 == ps_entropy_ctxt->ps_sei->i1_sei_parameters_present_flag) { WORD32 i4_insert_prefix_sei = ps_entropy_ctxt->ps_sei->i1_buf_period_params_present_flag || ps_entropy_ctxt->ps_sei->i1_pic_timing_params_present_flag || ps_entropy_ctxt->ps_sei->i1_recovery_point_params_present_flag || ps_entropy_ctxt->ps_sei->i4_sei_mastering_disp_colour_vol_params_present_flags || ps_curr_inp->u4_num_sei_payload || ps_curr_inp->s_sei.i1_sei_cll_enable; if(i4_insert_prefix_sei) { ret |= ihevce_generate_sei( ps_bitstrm, ps_entropy_ctxt->ps_sei, &ps_entropy_ctxt->ps_sps->s_vui_parameters, insert_per_cra, NAL_PREFIX_SEI, ps_curr_inp->u4_num_sei_payload, &ps_curr_inp->as_sei_payload[0]); } } /*PIC INFO: Populate slice header bits */ ps_entropy_ctxt->ps_pic_level_info->u8_bits_estimated_slice_header += (ps_bitstrm->u4_strm_buf_offset * 8) - u8_bits_slice_header_prev; ps_tile_params_base = (ihevce_tile_params_t *)ps_entropy_ctxt->pv_tile_params_base; ps_curr_out->i4_bytes_generated = 0; //Init /* ------------------- Initialize non-VCL prefix NAL Size/offsets --------------------*/ { WORD32 num_non_vcl_prefix_nals = ps_bitstrm->i4_num_nal; WORD32 ctr = 0; ASSERT(num_non_vcl_prefix_nals <= MAX_NUM_PREFIX_NALS_PER_AU); ps_curr_out->i4_num_non_vcl_prefix_nals = num_non_vcl_prefix_nals; for(ctr = 0; ctr < MIN(num_non_vcl_prefix_nals, MAX_NUM_PREFIX_NALS_PER_AU); ctr++) { /* NAL offset is derive by subtracting Bistream base from NAL start pointer */ ULWORD64 u8_cur_nal_start = (ULWORD64)ps_bitstrm->apu1_nal_start[ctr]; #if POPULATE_NAL_SIZE /* ----------Populate NAL Size -------------*/ if((ctr + 1) < num_non_vcl_prefix_nals) { ULWORD64 u8_next_nal_start = (ULWORD64)ps_bitstrm->apu1_nal_start[ctr + 1]; ps_curr_out->ai4_size_non_vcl_prefix_nals[ctr] = (UWORD32)(u8_next_nal_start - u8_cur_nal_start); } else { ULWORD64 u8_next_nal_start = (ULWORD64)ps_bitstrm->pu1_strm_buffer + ps_bitstrm->u4_strm_buf_offset; ps_curr_out->ai4_size_non_vcl_prefix_nals[ctr] = (UWORD32)(u8_next_nal_start - u8_cur_nal_start); } ASSERT(ps_curr_out->ai4_size_non_vcl_prefix_nals[ctr] > 0); #elif POPULATE_NAL_OFFSET /* ----------Populate NAL Offset -------------*/ ASSERT(u8_cur_nal_start >= u8_bitstream_base); ps_curr_out->ai4_off_non_vcl_prefix_nals[ctr] = (UWORD32)(u8_cur_nal_start - u8_bitstream_base); if(ctr) { /* sanity check on increasing NAL offsets */ ASSERT( ps_curr_out->ai4_off_non_vcl_prefix_nals[ctr] > ps_curr_out->ai4_off_non_vcl_prefix_nals[ctr - 1]); } #endif /* POPULATE_NAL_SIZE */ } } total_tiles = ps_tile_params_base->i4_num_tiles; /* frame level NUM slices related params initialisations */ { WORD32 codec_level_index = ihevce_get_level_index(ps_entropy_ctxt->i4_codec_level); i4_max_num_slices = g_as_level_data[codec_level_index].i4_max_slices_per_picture; ps_entropy_ctxt->i4_num_slice_seg = 0; } /* back up slice arg length before pic encoding */ i4_slice_segment_max_length_bckp = ps_entropy_ctxt->i4_slice_segment_max_length; for(tile_ctr = 0; tile_ctr < total_tiles; tile_ctr++) { WORD32 i4_end_of_slice = 0; /* Loop over all the slice segments */ while(0 == i4_end_of_slice) { WORD32 i4_bytes_generated, i4_slice_header_bits; /*PIC INFO: Store the Bits before slice header is encoded*/ u8_bits_slice_header_prev = (ps_bitstrm->u4_strm_buf_offset * 8); /* generate slice header */ ret |= ihevce_generate_slice_header( ps_bitstrm, nal_type, ps_entropy_ctxt->ps_slice_hdr, ps_entropy_ctxt->ps_pps, ps_entropy_ctxt->ps_sps, &ps_entropy_ctxt->s_dup_bit_strm_ent_offset, &ps_entropy_ctxt->s_cabac_ctxt.u4_first_slice_start_offset, (ps_tile_params_base + tile_ctr), ps_entropy_ctxt->i4_next_slice_seg_x, ps_entropy_ctxt->i4_next_slice_seg_y); i4_slice_header_bits = (ps_bitstrm->u4_strm_buf_offset * 8) - (WORD32)u8_bits_slice_header_prev; /* Update slice segment length with bytes in slice header */ if(2 == ps_entropy_ctxt->i4_slice_segment_mode) { ps_entropy_ctxt->i4_slice_seg_len = (i4_slice_header_bits / 8); } else //Initiallize to zero { ps_entropy_ctxt->i4_slice_seg_len = 0; } /*PIC INFO: Populate slice header bits */ ps_entropy_ctxt->ps_pic_level_info->u8_bits_estimated_slice_header += i4_slice_header_bits; /* check if number of slices generated in is MAX -1 as per codec_level */ if(ps_entropy_ctxt->i4_num_slice_seg == (i4_max_num_slices - 1)) { /* i4_slice_segment_max_length is set to a huge positive value */ /* so that remaining CTBS in the picture gets encoded as a single slice */ ps_entropy_ctxt->i4_slice_segment_max_length = 0x7FFFFFFF; } /* encode the slice data */ ret |= ihevce_encode_slice_data( ps_entropy_ctxt, (ps_tile_params_base + tile_ctr), &i4_end_of_slice); /* increment the number of slices generated */ ps_entropy_ctxt->i4_num_slice_seg++; if(1 == ps_pps->i1_entropy_coding_sync_enabled_flag) { /*after encoding is done each slice offset is available. Enter these offset in slice header*/ ihevce_insert_entry_offset_slice_header( &ps_entropy_ctxt->s_dup_bit_strm_ent_offset, ps_entropy_ctxt->ps_slice_hdr, ps_entropy_ctxt->ps_pps, ps_entropy_ctxt->s_cabac_ctxt.u4_first_slice_start_offset); } /* compute the bytes generated and return */ if(1 == ps_pps->i1_entropy_coding_sync_enabled_flag) { i4_bytes_generated = ps_entropy_ctxt->s_dup_bit_strm_ent_offset.u4_strm_buf_offset; } else { i4_bytes_generated = ps_entropy_ctxt->s_cabac_ctxt.u4_strm_buf_offset; } /* Updating bytes generated and Updating strm_buffer pointer */ ps_curr_out->i4_bytes_generated += i4_bytes_generated; /* Re-Initialize the bitstream engine after each tile or slice */ ihevce_bitstrm_init( ps_bitstrm, (ps_bitstrm->pu1_strm_buffer + i4_bytes_generated), out_buf_size); } } /* Max slices related warning prints based on last slice status */ if(ps_entropy_ctxt->i4_num_slice_seg == i4_max_num_slices) { if(ps_entropy_ctxt->i4_slice_seg_len >= i4_slice_segment_max_length_bckp) { if(1 == ps_entropy_ctxt->i4_slice_segment_mode) { ps_sys_api->ihevce_printf( ps_sys_api->pv_cb_handle, "IHEVCE_WARNING: Last slice contains %d CTBs exceeds %d (Max limit of CTBs " "configured). As per codec_level max number of slices per frame is %d\n", ps_entropy_ctxt->i4_slice_seg_len, i4_slice_segment_max_length_bckp, i4_max_num_slices); } else if(2 == ps_entropy_ctxt->i4_slice_segment_mode) { ps_sys_api->ihevce_printf( ps_sys_api->pv_cb_handle, "IHEVCE_WARNING: Last slice contains %d Bytes exceeds %d (Max limit of Bytes " "configured). As per codec_level max number of slices per frame is %d\n", ps_entropy_ctxt->i4_slice_seg_len, i4_slice_segment_max_length_bckp, i4_max_num_slices); } } } /* restore slice arg length after pic encoding */ ps_entropy_ctxt->i4_slice_segment_max_length = i4_slice_segment_max_length_bckp; /* ---------------------- Initialize VCL NAL Size/offsets ---------------------------*/ { WORD32 vcl_start = ps_curr_out->i4_num_non_vcl_prefix_nals; WORD32 num_vcl_nals = ps_bitstrm->i4_num_nal - vcl_start; WORD32 ctr = 0; ASSERT(num_vcl_nals > 0); ASSERT(num_vcl_nals <= MAX_NUM_VCL_NALS_PER_AU); ps_curr_out->i4_num_vcl_nals = num_vcl_nals; for(ctr = 0; ctr < MIN(num_vcl_nals, MAX_NUM_VCL_NALS_PER_AU); ctr++) { /* NAL offset is derive by subtracting Bistream base from NAL start pointer */ ULWORD64 u8_cur_nal_start = (ULWORD64)ps_bitstrm->apu1_nal_start[ctr + vcl_start]; #if POPULATE_NAL_SIZE /* ----------Populate NAL Size -------------*/ if((ctr + 1) < num_vcl_nals) { ULWORD64 u8_next_nal_start = (ULWORD64)ps_bitstrm->apu1_nal_start[ctr + vcl_start + 1]; ps_curr_out->ai4_size_vcl_nals[ctr] = (UWORD32)(u8_next_nal_start - u8_cur_nal_start); } else { ULWORD64 u8_next_nal_start = (ULWORD64)ps_bitstrm->pu1_strm_buffer + ps_bitstrm->u4_strm_buf_offset; ps_curr_out->ai4_size_vcl_nals[ctr] = (UWORD32)(u8_next_nal_start - u8_cur_nal_start); } ASSERT(ps_curr_out->ai4_size_vcl_nals[ctr] > 0); #elif POPULATE_NAL_OFFSET /* ----------Populate NAL Offset -------------*/ ASSERT(u8_cur_nal_start >= u8_bitstream_base); ps_curr_out->ai4_off_vcl_nals[ctr] = (UWORD32)(u8_cur_nal_start - u8_bitstream_base); if(ctr) { /* sanity check on increasing NAL offsets */ ASSERT(ps_curr_out->ai4_off_vcl_nals[ctr] > ps_curr_out->ai4_off_vcl_nals[ctr - 1]); } #endif /* POPULATE_NAL_SIZE */ } } /* generate suffix sei */ if(1 == ps_entropy_ctxt->ps_sei->i1_sei_parameters_present_flag) { /* Insert hash SEI */ if(0 != ps_entropy_ctxt->ps_sei->i1_decoded_pic_hash_sei_flag) { ret |= ihevce_generate_sei( ps_bitstrm, ps_entropy_ctxt->ps_sei, &ps_entropy_ctxt->ps_sps->s_vui_parameters, insert_per_cra, NAL_SUFFIX_SEI, ps_curr_inp->u4_num_sei_payload, &ps_curr_inp->as_sei_payload[0]); } /* Updating bytes generated */ ps_curr_out->i4_bytes_generated += ps_bitstrm->u4_strm_buf_offset; } /* generate end of sequence nal */ if((1 == ps_curr_inp->i1_eos_present_flag) && (ps_curr_inp->i4_is_end_of_idr_gop == 1)) { ret |= ihevce_generate_eos(ps_bitstrm); /* Updating bytes generated */ ps_curr_out->i4_bytes_generated += ps_bitstrm->u4_strm_buf_offset; } /* ------------------- Initialize non-VCL suffix NAL Size/offsets -----------------------*/ { WORD32 non_vcl_suffix_start = ps_curr_out->i4_num_non_vcl_prefix_nals + ps_curr_out->i4_num_vcl_nals; WORD32 num_non_vcl_suffix_nals = ps_bitstrm->i4_num_nal - non_vcl_suffix_start; WORD32 ctr = 0; ASSERT(num_non_vcl_suffix_nals >= 0); ASSERT(num_non_vcl_suffix_nals <= MAX_NUM_SUFFIX_NALS_PER_AU); ps_curr_out->i4_num_non_vcl_suffix_nals = num_non_vcl_suffix_nals; for(ctr = 0; ctr < MIN(num_non_vcl_suffix_nals, MAX_NUM_SUFFIX_NALS_PER_AU); ctr++) { /* NAL offset is derive by subtracting Bistream base from NAL start pointer */ ULWORD64 u8_cur_nal_start = (ULWORD64)ps_bitstrm->apu1_nal_start[ctr + non_vcl_suffix_start]; #if POPULATE_NAL_SIZE /* ----------Populate NAL Size -------------*/ if((ctr + 1) < num_non_vcl_suffix_nals) { ULWORD64 u8_next_nal_start = (ULWORD64)ps_bitstrm->apu1_nal_start[ctr + non_vcl_suffix_start + 1]; ps_curr_out->ai4_size_non_vcl_suffix_nals[ctr] = (UWORD32)(u8_next_nal_start - u8_cur_nal_start); } else { ULWORD64 u8_next_nal_start = (ULWORD64)ps_bitstrm->pu1_strm_buffer + ps_bitstrm->u4_strm_buf_offset; ps_curr_out->ai4_size_non_vcl_suffix_nals[ctr] = (UWORD32)(u8_next_nal_start - u8_cur_nal_start); } ASSERT(ps_curr_out->ai4_size_non_vcl_suffix_nals[ctr] > 0); #elif POPULATE_NAL_OFFSET /* ----------Populate NAL Offset -------------*/ ASSERT(u8_cur_nal_start >= u8_bitstream_base); ps_curr_out->ai4_off_non_vcl_suffix_nals[ctr] = (UWORD32)(u8_cur_nal_start - u8_bitstream_base); if(ctr) { /* sanity check on increasing NAL offsets */ ASSERT( ps_curr_out->ai4_off_non_vcl_suffix_nals[ctr] > ps_curr_out->ai4_off_non_vcl_suffix_nals[ctr - 1]); } #endif /* POPULATE_NAL_SIZE */ } } /*PIC INFO: Populatinf Ref POC, weights and offset*/ { WORD32 i; ps_entropy_ctxt->ps_pic_level_info->i1_num_ref_idx_l0_active = ps_entropy_ctxt->ps_slice_hdr->i1_num_ref_idx_l0_active; ps_entropy_ctxt->ps_pic_level_info->i1_num_ref_idx_l1_active = ps_entropy_ctxt->ps_slice_hdr->i1_num_ref_idx_l1_active; for(i = 0; i < ps_entropy_ctxt->ps_slice_hdr->i1_num_ref_idx_l0_active; i++) { ps_entropy_ctxt->ps_pic_level_info->i4_ref_poc_l0[i] = ps_entropy_ctxt->ps_slice_hdr->s_rplm.i4_ref_poc_l0[i]; ps_entropy_ctxt->ps_pic_level_info->i1_list_entry_l0[i] = ps_entropy_ctxt->ps_slice_hdr->s_rplm.i1_list_entry_l0[i]; ps_entropy_ctxt->ps_pic_level_info->i2_luma_weight_l0[i] = (DOUBLE)ps_entropy_ctxt->ps_slice_hdr->s_wt_ofst.i2_luma_weight_l0[i] / (1 << ps_entropy_ctxt->ps_slice_hdr->s_wt_ofst.i1_luma_log2_weight_denom); ps_entropy_ctxt->ps_pic_level_info->i2_luma_offset_l0[i] = ps_entropy_ctxt->ps_slice_hdr->s_wt_ofst.i2_luma_offset_l0[i]; } for(i = 0; i < ps_entropy_ctxt->ps_slice_hdr->i1_num_ref_idx_l1_active; i++) { ps_entropy_ctxt->ps_pic_level_info->i4_ref_poc_l1[i] = ps_entropy_ctxt->ps_slice_hdr->s_rplm.i4_ref_poc_l1[i]; ps_entropy_ctxt->ps_pic_level_info->i1_list_entry_l1[i] = ps_entropy_ctxt->ps_slice_hdr->s_rplm.i1_list_entry_l1[i]; ps_entropy_ctxt->ps_pic_level_info->i2_luma_weight_l1[i] = (DOUBLE)ps_entropy_ctxt->ps_slice_hdr->s_wt_ofst.i2_luma_weight_l1[i] / (1 << ps_entropy_ctxt->ps_slice_hdr->s_wt_ofst.i1_luma_log2_weight_denom); ps_entropy_ctxt->ps_pic_level_info->i2_luma_offset_l1[i] = ps_entropy_ctxt->ps_slice_hdr->s_wt_ofst.i2_luma_offset_l1[i]; } } /* attach the time stamp of the input to output */ ps_curr_out->i4_out_timestamp_low = ps_curr_inp->i4_inp_timestamp_low; ps_curr_out->i4_out_timestamp_high = ps_curr_inp->i4_inp_timestamp_high; /*attach the app frame info of this buffer */ ps_curr_out->pv_app_frm_ctxt = ps_curr_inp->pv_app_frm_ctxt; /* frame never skipped for now */ ps_curr_out->i4_frame_skipped = 0; /* update error code and return */ ps_curr_out->i4_process_error_code = ret; switch(slice_type) { case ISLICE: if((nal_type == NAL_IDR_N_LP) || (NAL_IDR_W_LP == nal_type)) { ps_curr_out->i4_encoded_frame_type = IV_IDR_FRAME; } else { ps_curr_out->i4_encoded_frame_type = IV_I_FRAME; } break; case PSLICE: ps_curr_out->i4_encoded_frame_type = IV_P_FRAME; break; case BSLICE: ps_curr_out->i4_encoded_frame_type = IV_B_FRAME; break; } if(IHEVCE_SUCCESS == ret) { ps_curr_out->i4_process_ret_sts = IV_SUCCESS; } else { ps_curr_out->i4_process_ret_sts = IV_FAIL; } return (ret); }