/****************************************************************************** * * 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 * ih264e_encode.c * * @brief * This file contains functions for encoding the input yuv frame in synchronous * api mode * * @author * ittiam * * List of Functions * - ih264e_join_threads() * - ih264e_wait_for_thread() * - ih264e_encode() * ****************************************************************************** */ /*****************************************************************************/ /* File Includes */ /*****************************************************************************/ /* System Include files */ #include #include #include #include #include #include /* User Include files */ #include "ih264e_config.h" #include "ih264_typedefs.h" #include "iv2.h" #include "ive2.h" #include "ih264e.h" #include "ithread.h" #include "ih264_defs.h" #include "ih264_macros.h" #include "ih264_debug.h" #include "ih264_structs.h" #include "ih264_platform_macros.h" #include "ih264_error.h" #include "ime_distortion_metrics.h" #include "ime_defs.h" #include "ime_structs.h" #include "ih264_trans_quant_itrans_iquant.h" #include "ih264_inter_pred_filters.h" #include "ih264_mem_fns.h" #include "ih264_padding.h" #include "ih264_intra_pred_filters.h" #include "ih264_deblk_edge_filters.h" #include "ih264_cabac_tables.h" #include "ih264_list.h" #include "ih264e_error.h" #include "ih264e_defs.h" #include "ih264e_bitstream.h" #include "irc_mem_req_and_acq.h" #include "irc_cntrl_param.h" #include "irc_frame_info_collector.h" #include "ih264e_rate_control.h" #include "ih264e_time_stamp.h" #include "ih264e_cabac_structs.h" #include "ih264e_structs.h" #include "ih264e_master.h" #include "ih264e_process.h" #include "ih264_buf_mgr.h" #include "ih264_dpb_mgr.h" #include "ih264e_utils.h" #include "ih264e_fmt_conv.h" #include "ih264e_statistics.h" #include "ih264e_trace.h" #include "ih264e_debug.h" #ifdef LOGO_EN #include "ih264e_ittiam_logo.h" #endif /*****************************************************************************/ /* Function Definitions */ /*****************************************************************************/ /** ****************************************************************************** * * @brief * This function joins all the spawned threads after successful completion of * their tasks * * @par Description * * @param[in] ps_codec * pointer to codec context * * @returns none * ****************************************************************************** */ void ih264e_join_threads(codec_t *ps_codec) { /* temp var */ WORD32 i = 0; WORD32 ret = 0; /* join spawned threads */ while (i < ps_codec->i4_proc_thread_cnt) { if (ps_codec->ai4_process_thread_created[i]) { ret = ithread_join(ps_codec->apv_proc_thread_handle[i], NULL); if (ret != 0) { printf("pthread Join Failed"); assert(0); } ps_codec->ai4_process_thread_created[i] = 0; i++; } } ps_codec->i4_proc_thread_cnt = 0; } /** ****************************************************************************** * * @brief This function puts the current thread to sleep for a duration * of sleep_us * * @par Description * ithread_yield() method causes the calling thread to yield execution to another * thread that is ready to run on the current processor. The operating system * selects the thread to yield to. ithread_usleep blocks the current thread for * the specified number of milliseconds. In other words, yield just says, * end my timeslice prematurely, look around for other threads to run. If there * is nothing better than me, continue. Sleep says I don't want to run for x * milliseconds. Even if no other thread wants to run, don't make me run. * * @param[in] sleep_us * thread sleep duration * * @returns error_status * ****************************************************************************** */ IH264E_ERROR_T ih264e_wait_for_thread(UWORD32 sleep_us) { /* yield thread */ ithread_yield(); /* put thread to sleep */ ithread_usleep(sleep_us); return IH264E_SUCCESS; } /** ****************************************************************************** * * @brief * Encodes in synchronous api mode * * @par Description * This routine processes input yuv, encodes it and outputs bitstream and recon * * @param[in] ps_codec_obj * Pointer to codec object at API level * * @param[in] pv_api_ip * Pointer to input argument structure * * @param[out] pv_api_op * Pointer to output argument structure * * @returns Status * ****************************************************************************** */ WORD32 ih264e_encode(iv_obj_t *ps_codec_obj, void *pv_api_ip, void *pv_api_op) { /* error status */ IH264E_ERROR_T error_status = IH264E_SUCCESS; /* codec ctxt */ codec_t *ps_codec = (codec_t *)ps_codec_obj->pv_codec_handle; /* input frame to encode */ ih264e_video_encode_ip_t *ps_video_encode_ip = pv_api_ip; /* output buffer to write stream */ ih264e_video_encode_op_t *ps_video_encode_op = pv_api_op; /* i/o structures */ inp_buf_t s_inp_buf; out_buf_t s_out_buf; /* temp var */ WORD32 ctxt_sel = 0, i, i4_rc_pre_enc_skip; /********************************************************************/ /* BEGIN INIT */ /********************************************************************/ /* reset output structure */ ps_video_encode_op->s_ive_op.u4_error_code = IV_SUCCESS; ps_video_encode_op->s_ive_op.output_present = 0; ps_video_encode_op->s_ive_op.dump_recon = 0; ps_video_encode_op->s_ive_op.u4_encoded_frame_type = IV_NA_FRAME; /* Check for output memory allocation size */ if (ps_video_encode_ip->s_ive_ip.s_out_buf.u4_bufsize < MIN_STREAM_SIZE) { error_status |= IH264E_INSUFFICIENT_OUTPUT_BUFFER; SET_ERROR_ON_RETURN(error_status, IVE_UNSUPPORTEDPARAM, ps_video_encode_op->s_ive_op.u4_error_code, IV_FAIL); } /* copy output info. to internal structure */ s_out_buf.s_bits_buf = ps_video_encode_ip->s_ive_ip.s_out_buf; s_out_buf.u4_is_last = 0; s_out_buf.u4_timestamp_low = ps_video_encode_ip->s_ive_ip.u4_timestamp_low; s_out_buf.u4_timestamp_high = ps_video_encode_ip->s_ive_ip.u4_timestamp_high; /* api call cnt */ ps_codec->i4_encode_api_call_cnt += 1; /* codec context selector */ ctxt_sel = ps_codec->i4_encode_api_call_cnt % MAX_CTXT_SETS; /* reset status flags */ ps_codec->ai4_pic_cnt[ctxt_sel] = -1; ps_codec->s_rate_control.post_encode_skip[ctxt_sel] = 0; ps_codec->s_rate_control.pre_encode_skip[ctxt_sel] = 0; /* pass output buffer to codec */ ps_codec->as_out_buf[ctxt_sel] = s_out_buf; /* initialize codec ctxt with default params for the first encode api call */ if (ps_codec->i4_encode_api_call_cnt == 0) { ih264e_codec_init(ps_codec); } /* parse configuration params */ for (i = 0; i < MAX_ACTIVE_CONFIG_PARAMS; i++) { cfg_params_t *ps_cfg = &ps_codec->as_cfg[i]; if (1 == ps_cfg->u4_is_valid) { if ( ((ps_cfg->u4_timestamp_high == ps_video_encode_ip->s_ive_ip.u4_timestamp_high) && (ps_cfg->u4_timestamp_low == ps_video_encode_ip->s_ive_ip.u4_timestamp_low)) || ((WORD32)ps_cfg->u4_timestamp_high == -1) || ((WORD32)ps_cfg->u4_timestamp_low == -1) ) { error_status |= ih264e_codec_update_config(ps_codec, ps_cfg); SET_ERROR_ON_RETURN(error_status, IVE_UNSUPPORTEDPARAM, ps_video_encode_op->s_ive_op.u4_error_code, IV_FAIL); ps_cfg->u4_is_valid = 0; } } } /****************************************************************** * INSERT LOGO *****************************************************************/ #ifdef LOGO_EN if (s_inp_buf.s_raw_buf.apv_bufs[0] != NULL && ps_codec->i4_header_mode != 1) { ih264e_insert_logo(s_inp_buf.s_raw_buf.apv_bufs[0], s_inp_buf.s_raw_buf.apv_bufs[1], s_inp_buf.s_raw_buf.apv_bufs[2], s_inp_buf.s_raw_buf.au4_strd[0], 0, 0, ps_codec->s_cfg.e_inp_color_fmt, ps_codec->s_cfg.u4_disp_wd, ps_codec->s_cfg.u4_disp_ht); } #endif /*LOGO_EN*/ /* In case of alt ref and B pics we will have non reference frame in stream */ if (ps_codec->s_cfg.u4_enable_alt_ref || ps_codec->s_cfg.u4_num_bframes) { ps_codec->i4_non_ref_frames_in_stream = 1; } if (ps_codec->i4_encode_api_call_cnt == 0) { /********************************************************************/ /* number of mv/ref bank buffers used by the codec, */ /* 1 to handle curr frame */ /* 1 to store information of ref frame */ /* 1 more additional because of the codec employs 2 ctxt sets */ /* to assist asynchronous API */ /********************************************************************/ /* initialize mv bank buffer manager */ error_status |= ih264e_mv_buf_mgr_add_bufs(ps_codec); SET_ERROR_ON_RETURN(error_status, IVE_FATALERROR, ps_video_encode_op->s_ive_op.u4_error_code, IV_FAIL); /* initialize ref bank buffer manager */ error_status |= ih264e_pic_buf_mgr_add_bufs(ps_codec); SET_ERROR_ON_RETURN(error_status, IVE_FATALERROR, ps_video_encode_op->s_ive_op.u4_error_code, IV_FAIL); /* for the first frame, generate header when not requested explicitly */ if (ps_codec->i4_header_mode == 0 && ps_codec->u4_header_generated == 0) { ps_codec->i4_gen_header = 1; } } /* generate header and return when encoder is operated in header mode */ if (ps_codec->i4_header_mode == 1) { /* whenever the header is generated, this implies a start of sequence * and a sequence needs to be started with IDR */ ps_codec->force_curr_frame_type = IV_IDR_FRAME; /* generate header */ error_status |= ih264e_generate_sps_pps(ps_codec); /* api call cnt */ ps_codec->i4_encode_api_call_cnt --; /* header mode tag is not sticky */ ps_codec->i4_header_mode = 0; ps_codec->i4_gen_header = 0; /* send the input to app */ ps_video_encode_op->s_ive_op.s_inp_buf = ps_video_encode_ip->s_ive_ip.s_inp_buf; ps_video_encode_op->s_ive_op.u4_timestamp_low = ps_video_encode_ip->s_ive_ip.u4_timestamp_low; ps_video_encode_op->s_ive_op.u4_timestamp_high = ps_video_encode_ip->s_ive_ip.u4_timestamp_high; ps_video_encode_op->s_ive_op.u4_is_last = ps_video_encode_ip->s_ive_ip.u4_is_last; /* send the output to app */ ps_video_encode_op->s_ive_op.output_present = 1; ps_video_encode_op->s_ive_op.dump_recon = 0; ps_video_encode_op->s_ive_op.s_out_buf = ps_codec->as_out_buf[ctxt_sel].s_bits_buf; /* error status */ SET_ERROR_ON_RETURN(error_status, IVE_FATALERROR, ps_video_encode_op->s_ive_op.u4_error_code, IV_FAIL); /* indicates that header has been generated previously */ ps_codec->u4_header_generated = 1; return IV_SUCCESS; } /* curr pic cnt */ ps_codec->i4_pic_cnt += 1; i4_rc_pre_enc_skip = 0; i4_rc_pre_enc_skip = ih264e_input_queue_update( ps_codec, &ps_video_encode_ip->s_ive_ip, &s_inp_buf); s_out_buf.u4_is_last = s_inp_buf.u4_is_last; ps_video_encode_op->s_ive_op.u4_is_last = s_inp_buf.u4_is_last; /* Only encode if the current frame is not pre-encode skip */ if (!i4_rc_pre_enc_skip && s_inp_buf.s_raw_buf.apv_bufs[0]) { /* proc ctxt base idx */ WORD32 proc_ctxt_select = ctxt_sel * MAX_PROCESS_THREADS; /* proc ctxt */ process_ctxt_t *ps_proc = &ps_codec->as_process[proc_ctxt_select]; WORD32 ret = 0; /* number of addl. threads to be created */ WORD32 num_thread_cnt = ps_codec->s_cfg.u4_num_cores - 1; /* array giving pic cnt that is being processed in curr context set */ ps_codec->ai4_pic_cnt[ctxt_sel] = ps_codec->i4_pic_cnt; /* initialize all relevant process ctxts */ error_status |= ih264e_pic_init(ps_codec, &s_inp_buf); SET_ERROR_ON_RETURN(error_status, IVE_FATALERROR, ps_video_encode_op->s_ive_op.u4_error_code, IV_FAIL); for (i = 0; i < num_thread_cnt; i++) { ret = ithread_create(ps_codec->apv_proc_thread_handle[i], NULL, (void *)ih264e_process_thread, &ps_codec->as_process[i + 1]); if (ret != 0) { printf("pthread Create Failed"); assert(0); } ps_codec->ai4_process_thread_created[i] = 1; ps_codec->i4_proc_thread_cnt++; } /* launch job */ ih264e_process_thread(ps_proc); /* Join threads at the end of encoding a frame */ ih264e_join_threads(ps_codec); ih264_list_reset(ps_codec->pv_proc_jobq); ih264_list_reset(ps_codec->pv_entropy_jobq); } /**************************************************************************** * RECON * Since we have forward dependent frames, we cannot return recon in encoding * order. It must be in poc order, or input pic order. To achieve this we * introduce a delay of 1 to the recon wrt encode. Now since we have that * delay, at any point minimum of pic_cnt in our ref buffer will be the * correct frame. For ex let our GOP be IBBP [1 2 3 4] . The encode order * will be [1 4 2 3] .Now since we have a delay of 1, when we are done with * encoding 4, the min in the list will be 1. After encoding 2, it will be * 2, 3 after 3 and 4 after 4. Hence we can return in sequence. Note * that the 1 delay is critical. Hence if we have post enc skip, we must * skip here too. Note that since post enc skip already frees the recon * buffer we need not do any thing here * * We need to return a recon when ever we consume an input buffer. This * comsumption include a pre or post enc skip. Thus dump recon is set for * all cases except when * 1) We are waiting -> ps_codec->i4_frame_num > 1 * 2) When the input buffer is null [ ie we are not consuming any inp] * An exception need to be made for the case when we have the last buffer * since we need to flush out the on remainig recon. ****************************************************************************/ ps_video_encode_op->s_ive_op.dump_recon = 0; if (ps_codec->s_cfg.u4_enable_recon && (ps_codec->i4_frame_num > 1 || s_inp_buf.u4_is_last) && (s_inp_buf.s_raw_buf.apv_bufs[0] || s_inp_buf.u4_is_last)) { /* error status */ IH264_ERROR_T ret = IH264_SUCCESS; pic_buf_t *ps_pic_buf = NULL; WORD32 i4_buf_status, i4_curr_poc = 32768; /* In case of skips we return recon, but indicate that buffer is zero size */ if (ps_codec->s_rate_control.post_encode_skip[ctxt_sel] || i4_rc_pre_enc_skip) { ps_video_encode_op->s_ive_op.dump_recon = 1; ps_video_encode_op->s_ive_op.s_recon_buf.au4_wd[0] = 0; ps_video_encode_op->s_ive_op.s_recon_buf.au4_wd[1] = 0; } else { for (i = 0; i < ps_codec->i4_ref_buf_cnt; i++) { if (ps_codec->as_ref_set[i].i4_pic_cnt == -1) continue; i4_buf_status = ih264_buf_mgr_get_status( ps_codec->pv_ref_buf_mgr, ps_codec->as_ref_set[i].ps_pic_buf->i4_buf_id); if ((i4_buf_status & BUF_MGR_IO) && (ps_codec->as_ref_set[i].i4_poc < i4_curr_poc)) { ps_pic_buf = ps_codec->as_ref_set[i].ps_pic_buf; i4_curr_poc = ps_codec->as_ref_set[i].i4_poc; } } ps_video_encode_op->s_ive_op.s_recon_buf = ps_video_encode_ip->s_ive_ip.s_recon_buf; /* * If we get a valid buffer. output and free recon. * * we may get an invalid buffer if num_b_frames is 0. This is because * We assume that there will be a ref frame in ref list after encoding * the last frame. With B frames this is correct since its forward ref * pic will be in the ref list. But if num_b_frames is 0, we will not * have a forward ref pic */ if (ps_pic_buf) { /* copy/convert the recon buffer and return */ ih264e_fmt_conv(ps_codec, ps_pic_buf, ps_video_encode_ip->s_ive_ip.s_recon_buf.apv_bufs[0], ps_video_encode_ip->s_ive_ip.s_recon_buf.apv_bufs[1], ps_video_encode_ip->s_ive_ip.s_recon_buf.apv_bufs[2], ps_video_encode_ip->s_ive_ip.s_recon_buf.au4_wd[0], ps_video_encode_ip->s_ive_ip.s_recon_buf.au4_wd[1], 0, ps_codec->s_cfg.u4_disp_ht); ps_video_encode_op->s_ive_op.dump_recon = 1; ret = ih264_buf_mgr_release(ps_codec->pv_ref_buf_mgr, ps_pic_buf->i4_buf_id, BUF_MGR_IO); if (IH264_SUCCESS != ret) { SET_ERROR_ON_RETURN( (IH264E_ERROR_T)ret, IVE_FATALERROR, ps_video_encode_op->s_ive_op.u4_error_code, IV_FAIL); } } } } /*************************************************************************** * Free reference buffers: * In case of a post enc skip, we have to ensure that those pics will not * be used as reference anymore. In all other cases we will not even mark * the ref buffers ***************************************************************************/ if (ps_codec->s_rate_control.post_encode_skip[ctxt_sel]) { /* pic info */ pic_buf_t *ps_cur_pic; /* mv info */ mv_buf_t *ps_cur_mv_buf; /* error status */ IH264_ERROR_T ret = IH264_SUCCESS; /* Decrement coded pic count */ ps_codec->i4_poc--; /* loop through to get the min pic cnt among the list of pics stored in ref list */ /* since the skipped frame may not be on reference list, we may not have an MV bank * hence free only if we have allocated */ for (i = 0; i < ps_codec->i4_ref_buf_cnt; i++) { if (ps_codec->i4_pic_cnt == ps_codec->as_ref_set[i].i4_pic_cnt) { ps_cur_pic = ps_codec->as_ref_set[i].ps_pic_buf; ps_cur_mv_buf = ps_codec->as_ref_set[i].ps_mv_buf; /* release this frame from reference list and recon list */ ret = ih264_buf_mgr_release(ps_codec->pv_mv_buf_mgr, ps_cur_mv_buf->i4_buf_id , BUF_MGR_REF); ret |= ih264_buf_mgr_release(ps_codec->pv_mv_buf_mgr, ps_cur_mv_buf->i4_buf_id , BUF_MGR_IO); SET_ERROR_ON_RETURN((IH264E_ERROR_T)ret, IVE_FATALERROR, ps_video_encode_op->s_ive_op.u4_error_code, IV_FAIL); ret = ih264_buf_mgr_release(ps_codec->pv_ref_buf_mgr, ps_cur_pic->i4_buf_id , BUF_MGR_REF); ret |= ih264_buf_mgr_release(ps_codec->pv_ref_buf_mgr, ps_cur_pic->i4_buf_id , BUF_MGR_IO); SET_ERROR_ON_RETURN((IH264E_ERROR_T)ret, IVE_FATALERROR, ps_video_encode_op->s_ive_op.u4_error_code, IV_FAIL); break; } } } /* * Since recon is not in sync with output, ie there can be frame to be * given back as recon even after last output. Hence we need to mark that * the output is not the last. * Hence search through reflist and mark appropriately */ if (ps_codec->s_cfg.u4_enable_recon) { WORD32 i4_buf_status = 0; for (i = 0; i < ps_codec->i4_ref_buf_cnt; i++) { if (ps_codec->as_ref_set[i].i4_pic_cnt == -1) continue; i4_buf_status |= ih264_buf_mgr_get_status( ps_codec->pv_ref_buf_mgr, ps_codec->as_ref_set[i].ps_pic_buf->i4_buf_id); } if (i4_buf_status & BUF_MGR_IO) { s_out_buf.u4_is_last = 0; ps_video_encode_op->s_ive_op.u4_is_last = 0; } } /************************************************************************** * Signaling to APP * 1) If we valid a valid output mark it so * 2) Set the codec output ps_video_encode_op * 3) Set the error status * 4) Set the return Pic type * Note that we already has marked recon properly * 5)Send the consumed input back to app so that it can free it if possible * * We will have to return the output and input buffers unconditionally * so that app can release them **************************************************************************/ if (!i4_rc_pre_enc_skip && !ps_codec->s_rate_control.post_encode_skip[ctxt_sel] && s_inp_buf.s_raw_buf.apv_bufs[0]) { /* receive output back from codec */ s_out_buf = ps_codec->as_out_buf[ctxt_sel]; /* send the output to app */ ps_video_encode_op->s_ive_op.output_present = 1; ps_video_encode_op->s_ive_op.u4_error_code = IV_SUCCESS; /* Set the time stamps of the encodec input */ ps_video_encode_op->s_ive_op.u4_timestamp_low = s_inp_buf.u4_timestamp_low; ps_video_encode_op->s_ive_op.u4_timestamp_high = s_inp_buf.u4_timestamp_high; switch (ps_codec->pic_type) { case PIC_IDR: ps_video_encode_op->s_ive_op.u4_encoded_frame_type =IV_IDR_FRAME; break; case PIC_I: ps_video_encode_op->s_ive_op.u4_encoded_frame_type = IV_I_FRAME; break; case PIC_P: ps_video_encode_op->s_ive_op.u4_encoded_frame_type = IV_P_FRAME; break; case PIC_B: ps_video_encode_op->s_ive_op.u4_encoded_frame_type = IV_B_FRAME; break; default: ps_video_encode_op->s_ive_op.u4_encoded_frame_type = IV_NA_FRAME; break; } for (i = 0; i < (WORD32)ps_codec->s_cfg.u4_num_cores; i++) { error_status |= ps_codec->as_process[ctxt_sel + i].i4_error_code; } SET_ERROR_ON_RETURN(error_status, IVE_FATALERROR, ps_video_encode_op->s_ive_op.u4_error_code, IV_FAIL); } else { /* proc ctxt base idx */ WORD32 proc_ctxt_select = ctxt_sel * MAX_PROCESS_THREADS; /* proc ctxt */ process_ctxt_t *ps_proc = &ps_codec->as_process[proc_ctxt_select]; /* receive output back from codec */ s_out_buf = ps_codec->as_out_buf[ctxt_sel]; ps_video_encode_op->s_ive_op.output_present = 0; ps_video_encode_op->s_ive_op.u4_error_code = IV_SUCCESS; /* Set the time stamps of the encodec input */ ps_video_encode_op->s_ive_op.u4_timestamp_low = 0; ps_video_encode_op->s_ive_op.u4_timestamp_high = 0; /* receive input back from codec and send it to app */ s_inp_buf = ps_proc->s_inp_buf; ps_video_encode_op->s_ive_op.s_inp_buf = s_inp_buf.s_raw_buf; ps_video_encode_op->s_ive_op.u4_encoded_frame_type = IV_NA_FRAME; } /* Send the input to encoder so that it can free it if possible */ ps_video_encode_op->s_ive_op.s_out_buf = s_out_buf.s_bits_buf; ps_video_encode_op->s_ive_op.s_inp_buf = s_inp_buf.s_raw_buf; if (1 == s_inp_buf.u4_is_last) { ps_video_encode_op->s_ive_op.output_present = 0; ps_video_encode_op->s_ive_op.dump_recon = 0; } return IV_SUCCESS; }