/****************************************************************************** * * 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_cod.c * * \brief * This file contains interface function definitions related to Entroy coding * * \date * 18/09/2012 * * \author * Ittiam * * List of Functions * * ****************************************************************************** */ /*****************************************************************************/ /* 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_hle_interface.h" #include "ihevce_hle_q_func.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_rc_enc_structs.h" #include "ihevce_rc_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" /*****************************************************************************/ /* Extern variables */ /*****************************************************************************/ UWORD8 gau1_pic_type_string[5][11] = { { "I-SLICE " }, { "P-SLICE " }, { "B-SLICE " }, { "IDR-SLICE" }, { "b-SLICE " } }; /*****************************************************************************/ /* Function Macros */ /*****************************************************************************/ #define PSNR_FROM_MSE(x, bit_depth) \ ((x == 0) ? 99.999999 : (20 * log10(((1 << bit_depth) - 1) / sqrt(x)))) /*****************************************************************************/ /* Function Definitions */ /*****************************************************************************/ /*! ****************************************************************************** * \if Function name : ihevce_ent_coding_thrd \endif * * \brief * Entropy coding thread interface function * * \param[in] Frame process pointer * * \return * None * * \author * Ittiam * ***************************************************************************** */ WORD32 ihevce_ent_coding_thrd(void *pv_frm_proc_thrd_ctxt) { /* local variabels */ frm_proc_thrd_ctxt_t *ps_thrd_ctxt; enc_ctxt_t *ps_enc_ctxt; WORD32 i4_thrd_id; ihevce_hle_ctxt_t *ps_hle_ctxt; WORD32 end_flag; WORD32 out_buf_id; WORD32 inp_buf_id; WORD32 entropy_error = 0; WORD32 i4_bitrate_instance_num, i4_resolution_id, i4_out_res_id; WORD32 i4_bufque_id; UWORD32 u4_encode_frm_num = 0; UWORD32 u4_au_cpb_removal_delay_minus1 = 0; WORD32 i4_no_output = 0; WORD32 i4_do_entr_last = 1; WORD32 i4_use_dummy_buffer = 0; void *pv_entropy_hdl; entropy_context_t *ps_entropy_ctxt; iv_output_data_buffs_t *ps_curr_out = NULL; frm_proc_ent_cod_ctxt_t *ps_curr_inp = NULL; iv_output_data_buffs_t s_curr_out_dummy; /* derive local variables */ ps_thrd_ctxt = (frm_proc_thrd_ctxt_t *)pv_frm_proc_thrd_ctxt; i4_thrd_id = ps_thrd_ctxt->i4_thrd_id; ps_hle_ctxt = (ihevce_hle_ctxt_t *)ps_thrd_ctxt->ps_hle_ctxt; ps_enc_ctxt = (enc_ctxt_t *)ps_thrd_ctxt->pv_enc_ctxt; end_flag = 0; i4_bitrate_instance_num = i4_thrd_id; i4_bufque_id = i4_thrd_id; i4_resolution_id = ps_enc_ctxt->i4_resolution_id; i4_out_res_id = i4_resolution_id; /*swaping of buf_id for 0th and reference bitrate location, as encoder assumes always 0th loc for reference bitrate and app must receive in the configured order*/ i4_bufque_id = i4_bitrate_instance_num; if(i4_bitrate_instance_num == 0) { i4_bufque_id = ps_enc_ctxt->i4_ref_mbr_id; } else if(i4_bitrate_instance_num == ps_enc_ctxt->i4_ref_mbr_id) { i4_bufque_id = 0; } if(1 == ps_enc_ctxt->ps_stat_prms->s_tgt_lyr_prms.i4_mres_single_out) { i4_bufque_id = 0; i4_out_res_id = 0; } pv_entropy_hdl = ps_enc_ctxt->s_module_ctxt.apv_ent_cod_ctxt[i4_bitrate_instance_num]; ps_entropy_ctxt = (entropy_context_t *)pv_entropy_hdl; /* ---------- Processing Loop until end command is recieved --------- */ while(0 == end_flag) { /*Get a buffer pointer*/ /* ------- get next input buffer from Frame buffer que ---------- */ ps_curr_inp = (frm_proc_ent_cod_ctxt_t *)ihevce_q_get_filled_buff( (void *)ps_enc_ctxt, (IHEVCE_FRM_PRS_ENT_COD_Q + i4_bitrate_instance_num), &inp_buf_id, BUFF_QUE_BLOCKING_MODE); if(1 == ps_enc_ctxt->ps_stat_prms->s_tgt_lyr_prms.i4_mres_single_out) { if(1 == ps_curr_inp->i4_out_flush_flag) { if(1 == ps_enc_ctxt->s_multi_thrd.pi4_active_res_id[i4_resolution_id]) ps_enc_ctxt->s_multi_thrd.pi4_active_res_id[i4_resolution_id] = 0; else ASSERT(0); } else { if(0 == ps_enc_ctxt->s_multi_thrd.pi4_active_res_id[i4_resolution_id]) { /* During change in resolution check whether prev res is active before starting to dump new resolution */ WORD32 other_res_active = 1; WORD32 ctr; volatile WORD32 *pi4_active_res_check; pi4_active_res_check = ps_enc_ctxt->s_multi_thrd.pi4_active_res_id; while(other_res_active) { /* Continue in polling mode untill all the other resolutions are in passive mode */ other_res_active = 0; for(ctr = 0; ctr < ps_enc_ctxt->ps_stat_prms->s_tgt_lyr_prms.i4_num_res_layers; ctr++) { if(ctr != i4_resolution_id) { /* Check whether any resolution other than current resolution is active */ /* If its active it means that previous resolution has not finished entropy */ /* Wait for it to finish entropy*/ other_res_active |= pi4_active_res_check[ctr]; } } if(1 == ps_curr_inp->i4_end_flag) { i4_no_output = 1; } } if(0 == ps_curr_inp->i4_end_flag) { ps_enc_ctxt->s_multi_thrd.pi4_active_res_id[i4_resolution_id] = 1; } } } } if(0 == ps_curr_inp->i4_out_flush_flag) { if(1 == i4_no_output) { ps_curr_out = NULL; } else { if(!i4_use_dummy_buffer) { /* ------- get a filled descriptor from output Que ------------ */ ps_curr_out = (iv_output_data_buffs_t *)ihevce_q_get_filled_buff( (void *)ps_enc_ctxt, (IHEVCE_OUTPUT_DATA_Q + i4_bufque_id), &out_buf_id, BUFF_QUE_BLOCKING_MODE); } else { ps_curr_out = &s_curr_out_dummy; out_buf_id = 0; ps_curr_out->i4_bitstream_buf_size = ps_entropy_ctxt->i4_bitstream_buf_size; ps_curr_out->pv_bitstream_bufs = ps_entropy_ctxt->pv_dummy_out_buf; } } } PROFILE_START( &ps_hle_ctxt->profile_entropy[ps_enc_ctxt->i4_resolution_id][i4_bitrate_instance_num]); /* Content Light Level Information */ { ps_curr_inp->s_sei.i1_sei_cll_enable = (WORD8)ps_enc_ctxt->ps_stat_prms->s_out_strm_prms.i4_sei_cll_enable; ps_curr_inp->s_sei.s_cll_info_sei_params.u2_sei_max_cll = ps_enc_ctxt->ps_stat_prms->s_out_strm_prms.u2_sei_max_cll; ps_curr_inp->s_sei.s_cll_info_sei_params.u2_sei_avg_cll = ps_enc_ctxt->ps_stat_prms->s_out_strm_prms.u2_sei_avg_cll; } if((NULL != ps_curr_out) && (NULL != ps_curr_inp)) { WORD32 i; /*PIC_INFO: reset the pic-level info flags*/ ps_curr_inp->s_pic_level_info.i8_total_cu = 0; ps_curr_inp->s_pic_level_info.i8_total_intra_cu = 0; ps_curr_inp->s_pic_level_info.i8_total_inter_cu = 0; ps_curr_inp->s_pic_level_info.i8_total_skip_cu = 0; ps_curr_inp->s_pic_level_info.i8_total_pu = 0; ps_curr_inp->s_pic_level_info.i8_total_intra_pu = 0; ps_curr_inp->s_pic_level_info.i8_total_non_skipped_inter_pu = 0; ps_curr_inp->s_pic_level_info.i8_total_merge_pu = 0; for(i = 0; i < 4; i++) { ps_curr_inp->s_pic_level_info.i8_total_cu_based_on_size[i] = 0; ps_curr_inp->s_pic_level_info.i8_total_2nx2n_intra_pu[i] = 0; ps_curr_inp->s_pic_level_info.i8_total_2nx2n_inter_pu[i] = 0; ps_curr_inp->s_pic_level_info.i8_total_tu_based_on_size[i] = 0; ps_curr_inp->s_pic_level_info.i8_total_smp_inter_pu[i] = 0; if(i != 3) { ps_curr_inp->s_pic_level_info.i8_total_amp_inter_pu[i] = 0; ps_curr_inp->s_pic_level_info.i8_total_nxn_inter_pu[i] = 0; } } ps_curr_inp->s_pic_level_info.i8_total_nxn_intra_pu = 0; ps_curr_inp->s_pic_level_info.i8_total_L0_mode = 0; ps_curr_inp->s_pic_level_info.i8_total_L1_mode = 0; ps_curr_inp->s_pic_level_info.i8_total_BI_mode = 0; //ps_curr_inp->s_pic_level_info.u4_frame_intra_sad = ps_enc_ctxt->u4 for(i = 0; i < MAX_DPB_SIZE; i++) { ps_curr_inp->s_pic_level_info.i8_total_L0_ref_idx[i] = 0; ps_curr_inp->s_pic_level_info.i8_total_L1_ref_idx[i] = 0; } ps_curr_inp->s_pic_level_info.i8_total_tu = 0; ps_curr_inp->s_pic_level_info.i8_total_non_coded_tu = 0; ps_curr_inp->s_pic_level_info.i8_total_intra_coded_tu = 0; ps_curr_inp->s_pic_level_info.i8_total_inter_coded_tu = 0; ps_curr_inp->s_pic_level_info.i8_total_qp = 0; ps_curr_inp->s_pic_level_info.i8_total_qp_min_cu = 0; ps_curr_inp->s_pic_level_info.i4_min_qp = 100; ps_curr_inp->s_pic_level_info.i4_max_qp = 0; ps_curr_inp->s_pic_level_info.i4_max_frame_qp = 0; ps_curr_inp->s_pic_level_info.i8_sum_squared_frame_qp = 0; ps_curr_inp->s_pic_level_info.i8_total_frame_qp = 0; ps_curr_inp->s_pic_level_info.f_total_buffer_underflow = 0; ps_curr_inp->s_pic_level_info.f_total_buffer_overflow = 0; ps_curr_inp->s_pic_level_info.f_max_buffer_underflow = 0; ps_curr_inp->s_pic_level_info.f_max_buffer_overflow = 0; ps_curr_inp->s_pic_level_info.u8_bits_estimated_intra = 0; ps_curr_inp->s_pic_level_info.u8_bits_estimated_inter = 0; ps_curr_inp->s_pic_level_info.u8_bits_estimated_slice_header = 0; ps_curr_inp->s_pic_level_info.u8_bits_estimated_sao = 0; ps_curr_inp->s_pic_level_info.u8_bits_estimated_split_cu_flag = 0; ps_curr_inp->s_pic_level_info.u8_bits_estimated_cu_hdr_bits = 0; ps_curr_inp->s_pic_level_info.u8_bits_estimated_split_tu_flag = 0; ps_curr_inp->s_pic_level_info.u8_bits_estimated_qp_delta_bits = 0; ps_curr_inp->s_pic_level_info.u8_bits_estimated_cbf_luma_bits = 0; ps_curr_inp->s_pic_level_info.u8_bits_estimated_cbf_chroma_bits = 0; ps_curr_inp->s_pic_level_info.u8_bits_estimated_res_luma_bits = 0; ps_curr_inp->s_pic_level_info.u8_bits_estimated_res_chroma_bits = 0; ps_curr_inp->s_pic_level_info.u8_bits_estimated_ref_id = 0; ps_curr_inp->s_pic_level_info.u8_bits_estimated_mvd = 0; ps_curr_inp->s_pic_level_info.u8_bits_estimated_merge_flag = 0; ps_curr_inp->s_pic_level_info.u8_bits_estimated_mpm_luma = 0; ps_curr_inp->s_pic_level_info.u8_bits_estimated_mpm_chroma = 0; if(1 == ps_curr_inp->i4_frm_proc_valid_flag) { /* --- Init of buffering period and pic timing SEI related params ----*/ { UWORD32 i4_dbf, i4_buffersize, i4_trgt_bit_rate; if(ps_enc_ctxt->ps_stat_prms->s_config_prms.i4_rate_control_mode != 3) { ihevce_get_dbf_buffer_size( (void *)ps_enc_ctxt->s_module_ctxt.apv_rc_ctxt[i4_bitrate_instance_num], &i4_buffersize, &i4_dbf, &i4_trgt_bit_rate); } else { /* Default initializations in CQP mode */ WORD32 codec_level = ps_enc_ctxt->ps_stat_prms->s_tgt_lyr_prms.as_tgt_params[0] .i4_codec_level; WORD32 codec_level_index = ihevce_get_level_index(codec_level); i4_buffersize = (UWORD32)g_as_level_data[codec_level_index].i4_max_cpb[HIGH_TIER]; i4_trgt_bit_rate = (UWORD32)g_as_level_data[codec_level_index].i4_max_bit_rate[HIGH_TIER]; i4_dbf = i4_buffersize; } ps_curr_inp->s_sei.s_buf_period_sei_params.u4_buffer_size_sei = i4_buffersize; ps_curr_inp->s_sei.s_buf_period_sei_params.u4_dbf_sei = i4_dbf; ps_curr_inp->s_sei.s_buf_period_sei_params.u4_target_bit_rate_sei = i4_trgt_bit_rate; /* ----------------- Derivation of u4_au_cpb_removal_delay_minus1 --------------------------------*/ ps_curr_inp->s_sei.s_pic_timing_sei_params.u4_au_cpb_removal_delay_minus1 = u4_au_cpb_removal_delay_minus1; /* ----------------- Derivation of u4_pic_dpb_output_delay --------------------------------*/ ps_curr_inp->s_sei.s_pic_timing_sei_params.u4_pic_dpb_output_delay = ps_curr_inp->ps_sps->ai1_sps_max_num_reorder_pics[0] + ps_curr_inp->i4_display_num - u4_encode_frm_num; } /* call the core entropy coding entry point function */ entropy_error = ihevce_entropy_encode_frame( pv_entropy_hdl, ps_curr_out, ps_curr_inp, ps_curr_out->i4_bitstream_buf_size); /* ----------------- Derivation of u4_au_cpb_removal_delay_minus1 --------------------------------*/ if(ps_curr_inp->s_sei.i1_buf_period_params_present_flag) { /* Reset u4_au_cpb_removal_delay_minus1 after every buffering period as subsequent pictiming is w.r.t new buffering period SEI */ u4_au_cpb_removal_delay_minus1 = 0; } else { /* cpb delay is circularly incremented with wrap around based on max length signalled in VUI */ UWORD8 u1_au_cpb_removal_delay_length = ps_curr_inp->ps_sps->s_vui_parameters.s_vui_hrd_parameters .u1_au_cpb_removal_delay_length_minus1 + 1; UWORD32 u4_max_cpb_removal_delay_val = (1 << u1_au_cpb_removal_delay_length) - 1; u4_au_cpb_removal_delay_minus1 = (u4_au_cpb_removal_delay_minus1 + 1) & u4_max_cpb_removal_delay_val; } /* Debug prints for entropy error */ if(entropy_error) { DBG_PRINTF("Entropy encode error %x\n", entropy_error); DEBUG("Entropy encode error %d\n", entropy_error); } if(ps_enc_ctxt->ps_stat_prms->s_config_prms.i4_rate_control_mode != 3) { /* acquire mutex lock for rate control calls */ osal_mutex_lock(ps_enc_ctxt->pv_rc_mutex_lock_hdl); /* get frame rate/bit rate/max buffer size */ ihevce_vbv_compliance_frame_level_update( ps_enc_ctxt->s_module_ctxt.apv_rc_ctxt[i4_bitrate_instance_num], (ps_curr_out->i4_bytes_generated << 3), i4_resolution_id, i4_bitrate_instance_num, ps_curr_inp->s_sei.s_pic_timing_sei_params.u4_au_cpb_removal_delay_minus1); /* release mutex lock after rate control calls */ osal_mutex_unlock(ps_enc_ctxt->pv_rc_mutex_lock_hdl); } /*correct the mismatch between rdopt and entropy thread mismatch*/ { /* acquire mutex lock for rate control calls */ osal_mutex_lock(ps_enc_ctxt->pv_rc_mutex_lock_hdl); /*Set to -1 when no change in bitrate, other-wise set to encoder bufferfullness at that moment*/ ps_curr_out->i8_cur_vbv_level = ps_curr_inp->i8_buf_level_bitrate_change; if(ps_curr_inp->i8_buf_level_bitrate_change != -1) { LWORD64 bitrate, buffer_size; ASSERT( i4_bitrate_instance_num == 0); //since dynamic change in bitrate is not supported in multi bitrate and resolution get_avg_bitrate_bufsize( ps_enc_ctxt->s_module_ctxt.apv_rc_ctxt[i4_bitrate_instance_num], &bitrate, &buffer_size); change_bitrate_vbv_complaince( ps_enc_ctxt->s_module_ctxt.apv_rc_ctxt[i4_bitrate_instance_num], bitrate, buffer_size); /*Change bitrate in SEI-VUI related context as well*/ ps_enc_ctxt->ps_stat_prms->s_tgt_lyr_prms .as_tgt_params[ps_enc_ctxt->i4_resolution_id] .ai4_tgt_bitrate[i4_bitrate_instance_num] = (WORD32)bitrate; ps_enc_ctxt->ps_stat_prms->s_tgt_lyr_prms .as_tgt_params[ps_enc_ctxt->i4_resolution_id] .ai4_max_vbv_buffer_size[i4_bitrate_instance_num] = (WORD32)buffer_size; } /*account for error to meet bitrate more precisely*/ ihevce_rc_rdopt_entropy_bit_correct( ps_enc_ctxt->s_module_ctxt.apv_rc_ctxt[i4_bitrate_instance_num], (ps_curr_out->i4_bytes_generated << 3), inp_buf_id); //ps_curr_inp->i4_inp_timestamp_low /* release mutex lock after rate control calls */ osal_mutex_unlock(ps_enc_ctxt->pv_rc_mutex_lock_hdl); } u4_encode_frm_num++; } else { ps_curr_out->i4_bytes_generated = 0; ps_curr_out->i4_encoded_frame_type = IV_NA_FRAME; } ps_curr_out->i4_buf_id = out_buf_id; end_flag = ps_curr_inp->i4_end_flag; ps_curr_out->i4_end_flag = ps_curr_inp->i4_end_flag; if(1 == ps_enc_ctxt->s_multi_thrd.i4_force_end_flag) { end_flag = 1; ps_curr_out->i4_end_flag = 1; } if(!i4_use_dummy_buffer) { /* Call back to Apln. saying buffer is produced */ ps_hle_ctxt->ihevce_output_strm_fill_done( ps_hle_ctxt->pv_out_cb_handle, ps_curr_out, i4_bufque_id, /* br intance */ i4_out_res_id /* res_instance*/); } if(ps_curr_inp->i4_frm_proc_valid_flag) { ps_curr_inp->s_pic_level_info.u8_total_bits_generated = ps_curr_out->i4_bytes_generated * 8; } /* --- release the current output buffer ---- */ if(!i4_use_dummy_buffer) { ihevce_q_rel_buf( (void *)ps_enc_ctxt, (IHEVCE_OUTPUT_DATA_Q + i4_bufque_id), out_buf_id); } /* release the input buffer*/ ihevce_q_rel_buf( (void *)ps_enc_ctxt, (IHEVCE_FRM_PRS_ENT_COD_Q + i4_bitrate_instance_num), inp_buf_id); /* reset the pointers to NULL */ ps_curr_inp = NULL; ps_curr_out = NULL; } else { end_flag = ps_curr_inp->i4_end_flag; if(NULL != ps_curr_inp) { /* release the input buffer*/ ihevce_q_rel_buf( (void *)ps_enc_ctxt, (IHEVCE_FRM_PRS_ENT_COD_Q + i4_bitrate_instance_num), inp_buf_id); } // ASSERT(0); } PROFILE_STOP( &ps_hle_ctxt->profile_entropy[ps_enc_ctxt->i4_resolution_id][i4_bitrate_instance_num], NULL); } /* Release all the buffers the application might have queued in */ /* Do this only if its not a force end */ if(1 != ps_enc_ctxt->s_multi_thrd.i4_force_end_flag) { end_flag = 0; } if(1 == ps_enc_ctxt->ps_stat_prms->s_tgt_lyr_prms.i4_mres_single_out) { ps_enc_ctxt->ps_stat_prms->i4_outbuf_buf_free_control = 1; i4_do_entr_last = ps_enc_ctxt->s_multi_thrd.pi4_active_res_id[i4_resolution_id]; } else { i4_do_entr_last = 1; } if((1 == i4_do_entr_last) && (!i4_use_dummy_buffer)) { while(0 == end_flag) { if(1 == ps_enc_ctxt->ps_stat_prms->i4_outbuf_buf_free_control) //FFMPEG application { /* ------- get a filled descriptor from output Que ------------ */ ps_curr_out = (iv_output_data_buffs_t *)ihevce_q_get_filled_buff( (void *)ps_enc_ctxt, (IHEVCE_OUTPUT_DATA_Q + i4_bufque_id), &out_buf_id, BUFF_QUE_NON_BLOCKING_MODE); /* Update the end_flag from application */ end_flag = (ps_curr_out == NULL); } else if( 0 == ps_enc_ctxt->ps_stat_prms ->i4_outbuf_buf_free_control) // process call control based application { ps_curr_out = (iv_output_data_buffs_t *)ihevce_q_get_filled_buff( (void *)ps_enc_ctxt, (IHEVCE_OUTPUT_DATA_Q + i4_bufque_id), &out_buf_id, BUFF_QUE_BLOCKING_MODE); } else { /* should not enter here */ ASSERT(0); } if(ps_curr_out) { end_flag = ps_curr_out->i4_is_last_buf; /* Fill the min. necessory things */ ps_curr_out->i4_process_ret_sts = IV_SUCCESS; ps_curr_out->i4_end_flag = 1; ps_curr_out->i4_bytes_generated = 0; /* Call back to Apln. saying buffer is produced */ ps_hle_ctxt->ihevce_output_strm_fill_done( ps_hle_ctxt->pv_out_cb_handle, ps_curr_out, i4_bufque_id, /* br intance */ i4_out_res_id /* res_instance*/); /* --- release the current output buffer ---- */ ihevce_q_rel_buf( (void *)ps_enc_ctxt, (IHEVCE_OUTPUT_DATA_Q + i4_bufque_id), out_buf_id); } } } if(1 == ps_enc_ctxt->ps_stat_prms->s_tgt_lyr_prms.i4_mres_single_out) { /* Mres single out usecase: Set active res_id to zero for curretn res so that other resolutions exit entropy */ ps_enc_ctxt->s_multi_thrd.pi4_active_res_id[i4_resolution_id] = 0; } return (0); } /** ****************************************************************************** * * @brief Generate sps, pps and vps header for * * @par Description * This function generates nal headers like SPS/PPS/VPS * * @param[in] ps_hle_ctxt * pointer to high level interface context (handle) * * @param[in] i4_bitrate_instance_id * bitrate id * * @param[in] i4_resolution_id * resolution id * * @return success or failure error code * ****************************************************************************** */ WORD32 ihevce_entropy_encode_header( ihevce_hle_ctxt_t *ps_hle_ctxt, WORD32 i4_bitrate_instance_id, WORD32 i4_resolution_id) { WORD32 ret = IHEVCE_SUCCESS; bitstrm_t s_bit_strm; bitstrm_t *ps_bitstrm = &s_bit_strm; enc_ctxt_t *ps_enc_ctxt; ihevce_tgt_layer_params_t *ps_tgt_lyr_prms; sps_t *ps_sps; vps_t *ps_vps; pps_t *ps_pps; iv_output_data_buffs_t *ps_curr_out = NULL; WORD32 out_buf_id; /* sanity checks */ if((ps_hle_ctxt == NULL) || (ps_hle_ctxt->i4_size != sizeof(ihevce_hle_ctxt_t)) || ps_hle_ctxt->i4_hle_init_done != 1) return IHEVCE_FAIL; ps_tgt_lyr_prms = (ihevce_tgt_layer_params_t *)&ps_hle_ctxt->ps_static_cfg_prms->s_tgt_lyr_prms; if(i4_resolution_id >= ps_tgt_lyr_prms->i4_num_res_layers) return IHEVCE_FAIL; if(i4_bitrate_instance_id >= ps_tgt_lyr_prms->as_tgt_params[i4_resolution_id].i4_num_bitrate_instances) return IHEVCE_FAIL; ps_enc_ctxt = (enc_ctxt_t *)ps_hle_ctxt->apv_enc_hdl[i4_resolution_id]; ps_sps = &ps_enc_ctxt->as_sps[i4_bitrate_instance_id]; ps_vps = &ps_enc_ctxt->as_vps[i4_bitrate_instance_id]; ps_pps = &ps_enc_ctxt->as_pps[i4_bitrate_instance_id]; /* ------- get a filled descriptor from output Que ------------ */ ps_curr_out = (iv_output_data_buffs_t *)ihevce_q_get_filled_buff( (void *)ps_enc_ctxt, (IHEVCE_OUTPUT_DATA_Q + i4_bitrate_instance_id), &out_buf_id, BUFF_QUE_BLOCKING_MODE); /* Initialize the bitstream engine */ ret |= ihevce_bitstrm_init( ps_bitstrm, (UWORD8 *)ps_curr_out->pv_bitstream_bufs, ps_curr_out->i4_bitstream_buf_size); /* Reset Bitstream NAL counter */ ps_bitstrm->i4_num_nal = 0; /* generate vps */ ret |= ihevce_generate_vps(ps_bitstrm, ps_vps); /* generate sps */ ret |= ihevce_generate_sps(ps_bitstrm, ps_sps); /* generate pps */ ret |= ihevce_generate_pps(ps_bitstrm, ps_pps); /* attach the time stamp of the input to output */ ps_curr_out->i4_out_timestamp_low = 0; ps_curr_out->i4_out_timestamp_high = 0; /*attach the app frame info of this buffer */ ps_curr_out->pv_app_frm_ctxt = NULL; /* 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; ps_curr_out->i4_bytes_generated = ps_bitstrm->u4_strm_buf_offset; /* ------------------- 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 */ } } ps_curr_out->i4_buf_id = out_buf_id; ps_curr_out->i4_end_flag = 0; if(IHEVCE_SUCCESS == ret) { ps_curr_out->i4_process_ret_sts = IV_SUCCESS; } else { ps_curr_out->i4_process_ret_sts = IV_FAIL; } ps_curr_out->i4_encoded_frame_type = IV_NA_FRAME; /* Call back to Apln. saying buffer is produced */ ps_hle_ctxt->ihevce_output_strm_fill_done( ps_hle_ctxt->pv_out_cb_handle, ps_curr_out, i4_bitrate_instance_id, i4_resolution_id); /* release the input buffer*/ ihevce_q_rel_buf( (void *)ps_enc_ctxt, (IHEVCE_OUTPUT_DATA_Q + i4_bitrate_instance_id), out_buf_id); return ret; }