static av_cold int XAVS_init(AVCodecContext *avctx) { XavsContext *x4 = avctx->priv_data; x4->sei_size = 0; xavs_param_default(&x4->params); x4->params.pf_log = XAVS_log; x4->params.p_log_private = avctx; x4->params.i_keyint_max = avctx->gop_size; if (avctx->bit_rate) { x4->params.rc.i_bitrate = avctx->bit_rate / 1000; x4->params.rc.i_rc_method = XAVS_RC_ABR; } x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000; x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000; x4->params.rc.b_stat_write = avctx->flags & CODEC_FLAG_PASS1; if (avctx->flags & CODEC_FLAG_PASS2) { x4->params.rc.b_stat_read = 1; } else { if (x4->crf >= 0) { x4->params.rc.i_rc_method = XAVS_RC_CRF; x4->params.rc.f_rf_constant = x4->crf; } else if (x4->cqp >= 0) { x4->params.rc.i_rc_method = XAVS_RC_CQP; x4->params.rc.i_qp_constant = x4->cqp; } } if (x4->aud >= 0) x4->params.b_aud = x4->aud; if (x4->mbtree >= 0) x4->params.rc.b_mb_tree = x4->mbtree; if (x4->direct_pred >= 0) x4->params.analyse.i_direct_mv_pred = x4->direct_pred; if (x4->fast_pskip >= 0) x4->params.analyse.b_fast_pskip = x4->fast_pskip; if (x4->mixed_refs >= 0) x4->params.analyse.b_mixed_references = x4->mixed_refs; if (x4->b_bias != INT_MIN) x4->params.i_bframe_bias = x4->b_bias; if (x4->cplxblur >= 0) x4->params.rc.f_complexity_blur = x4->cplxblur; x4->params.i_bframe = avctx->max_b_frames; /* cabac is not included in AVS JiZhun Profile */ x4->params.b_cabac = 0; x4->params.i_bframe_adaptive = avctx->b_frame_strategy; avctx->has_b_frames = !!avctx->max_b_frames; /* AVS doesn't allow B picture as reference */ /* The max allowed reference frame number of B is 2 */ x4->params.i_keyint_min = avctx->keyint_min; if (x4->params.i_keyint_min > x4->params.i_keyint_max) x4->params.i_keyint_min = x4->params.i_keyint_max; x4->params.i_scenecut_threshold = avctx->scenechange_threshold; // x4->params.b_deblocking_filter = avctx->flags & CODEC_FLAG_LOOP_FILTER; x4->params.rc.i_qp_min = avctx->qmin; x4->params.rc.i_qp_max = avctx->qmax; x4->params.rc.i_qp_step = avctx->max_qdiff; x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */ x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */ x4->params.i_frame_reference = avctx->refs; x4->params.i_width = avctx->width; x4->params.i_height = avctx->height; x4->params.vui.i_sar_width = avctx->sample_aspect_ratio.num; x4->params.vui.i_sar_height = avctx->sample_aspect_ratio.den; /* This is only used for counting the fps */ x4->params.i_fps_num = avctx->time_base.den; x4->params.i_fps_den = avctx->time_base.num; x4->params.analyse.inter = XAVS_ANALYSE_I8x8 |XAVS_ANALYSE_PSUB16x16| XAVS_ANALYSE_BSUB16x16; switch (avctx->me_method) { case ME_EPZS: x4->params.analyse.i_me_method = XAVS_ME_DIA; break; case ME_HEX: x4->params.analyse.i_me_method = XAVS_ME_HEX; break; case ME_UMH: x4->params.analyse.i_me_method = XAVS_ME_UMH; break; case ME_FULL: x4->params.analyse.i_me_method = XAVS_ME_ESA; break; case ME_TESA: x4->params.analyse.i_me_method = XAVS_ME_TESA; break; default: x4->params.analyse.i_me_method = XAVS_ME_HEX; } x4->params.analyse.i_me_range = avctx->me_range; x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality; x4->params.analyse.b_chroma_me = avctx->me_cmp & FF_CMP_CHROMA; /* AVS P2 only enables 8x8 transform */ x4->params.analyse.b_transform_8x8 = 1; //avctx->flags2 & CODEC_FLAG2_8X8DCT; x4->params.analyse.i_trellis = avctx->trellis; x4->params.analyse.i_noise_reduction = avctx->noise_reduction; if (avctx->level > 0) x4->params.i_level_idc = avctx->level; x4->params.rc.f_rate_tolerance = (float)avctx->bit_rate_tolerance/avctx->bit_rate; if ((avctx->rc_buffer_size) && (avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)) { x4->params.rc.f_vbv_buffer_init = (float)avctx->rc_initial_buffer_occupancy / avctx->rc_buffer_size; } else x4->params.rc.f_vbv_buffer_init = 0.9; /* TAG:do we have MB tree RC method */ /* what is the RC method we are now using? Default NO */ x4->params.rc.f_ip_factor = 1 / fabs(avctx->i_quant_factor); x4->params.rc.f_pb_factor = avctx->b_quant_factor; x4->params.analyse.i_chroma_qp_offset = avctx->chromaoffset; x4->params.analyse.b_psnr = avctx->flags & CODEC_FLAG_PSNR; x4->params.i_log_level = XAVS_LOG_DEBUG; x4->params.i_threads = avctx->thread_count; x4->params.b_interlaced = avctx->flags & CODEC_FLAG_INTERLACED_DCT; if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) x4->params.b_repeat_headers = 0; x4->enc = xavs_encoder_open(&x4->params); if (!x4->enc) return -1; if (!(x4->pts_buffer = av_mallocz_array((avctx->max_b_frames+1), sizeof(*x4->pts_buffer)))) return AVERROR(ENOMEM); avctx->coded_frame = av_frame_alloc(); if (!avctx->coded_frame) return AVERROR(ENOMEM); /* TAG: Do we have GLOBAL HEADER in AVS */ /* We Have PPS and SPS in AVS */ if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER && 0) { xavs_nal_t *nal; int nnal, s, i, size; uint8_t *p; s = xavs_encoder_headers(x4->enc, &nal, &nnal); avctx->extradata = p = av_malloc(s); for (i = 0; i < nnal; i++) { /* Don't put the SEI in extradata. */ if (nal[i].i_type == NAL_SEI) { x4->sei = av_malloc( 5 + nal[i].i_payload * 4 / 3 ); if (xavs_nal_encode(x4->sei, &x4->sei_size, 1, nal + i) < 0) return -1; continue; } size = xavs_nal_encode(p, &s, 1, nal + i); if (size < 0) return -1; p += size; } avctx->extradata_size = p - avctx->extradata; } return 0; }