/* * H.264 encoding using the x264 library * Copyright (C) 2005 Mans Rullgard * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "libavutil/eval.h" #include "libavutil/internal.h" #include "libavutil/opt.h" #include "libavutil/mem.h" #include "libavutil/pixdesc.h" #include "libavutil/stereo3d.h" #include "libavutil/intreadwrite.h" #include "avcodec.h" #include "internal.h" #if defined(_MSC_VER) #define X264_API_IMPORTS 1 #endif #include #include #include #include #include #include // from x264.h, for quant_offsets, Macroblocks are 16x16 // blocks of pixels (with respect to the luma plane) #define MB_SIZE 16 typedef struct X264Context { AVClass *class; x264_param_t params; x264_t *enc; x264_picture_t pic; uint8_t *sei; int sei_size; char *preset; char *tune; char *profile; char *level; int fastfirstpass; char *wpredp; char *x264opts; float crf; float crf_max; int cqp; int aq_mode; float aq_strength; char *psy_rd; int psy; int rc_lookahead; int weightp; int weightb; int ssim; int intra_refresh; int bluray_compat; int b_bias; int b_pyramid; int mixed_refs; int dct8x8; int fast_pskip; int aud; int mbtree; char *deblock; float cplxblur; char *partitions; int direct_pred; int slice_max_size; char *stats; int nal_hrd; int avcintra_class; int motion_est; int forced_idr; int coder; int a53_cc; int b_frame_strategy; int chroma_offset; int scenechange_threshold; int noise_reduction; char *x264_params; int nb_reordered_opaque, next_reordered_opaque; int64_t *reordered_opaque; /** * If the encoder does not support ROI then warn the first time we * encounter a frame with ROI side data. */ int roi_warned; } X264Context; static void X264_log(void *p, int level, const char *fmt, va_list args) { static const int level_map[] = { [X264_LOG_ERROR] = AV_LOG_ERROR, [X264_LOG_WARNING] = AV_LOG_WARNING, [X264_LOG_INFO] = AV_LOG_INFO, [X264_LOG_DEBUG] = AV_LOG_DEBUG }; if (level < 0 || level > X264_LOG_DEBUG) return; av_vlog(p, level_map[level], fmt, args); } static int encode_nals(AVCodecContext *ctx, AVPacket *pkt, const x264_nal_t *nals, int nnal) { X264Context *x4 = ctx->priv_data; uint8_t *p; int i, size = x4->sei_size, ret; if (!nnal) return 0; for (i = 0; i < nnal; i++) size += nals[i].i_payload; if ((ret = ff_alloc_packet2(ctx, pkt, size, 0)) < 0) return ret; p = pkt->data; /* Write the SEI as part of the first frame. */ if (x4->sei_size > 0 && nnal > 0) { if (x4->sei_size > size) { av_log(ctx, AV_LOG_ERROR, "Error: nal buffer is too small\n"); return -1; } memcpy(p, x4->sei, x4->sei_size); p += x4->sei_size; x4->sei_size = 0; av_freep(&x4->sei); } for (i = 0; i < nnal; i++){ memcpy(p, nals[i].p_payload, nals[i].i_payload); p += nals[i].i_payload; } return 1; } static int avfmt2_num_planes(int avfmt) { switch (avfmt) { case AV_PIX_FMT_YUV420P: case AV_PIX_FMT_YUVJ420P: case AV_PIX_FMT_YUV420P9: case AV_PIX_FMT_YUV420P10: case AV_PIX_FMT_YUV444P: return 3; case AV_PIX_FMT_BGR0: case AV_PIX_FMT_BGR24: case AV_PIX_FMT_RGB24: case AV_PIX_FMT_GRAY8: case AV_PIX_FMT_GRAY10: return 1; default: return 3; } } static void reconfig_encoder(AVCodecContext *ctx, const AVFrame *frame) { X264Context *x4 = ctx->priv_data; AVFrameSideData *side_data; if (x4->avcintra_class < 0) { if (x4->params.b_interlaced && x4->params.b_tff != frame->top_field_first) { x4->params.b_tff = frame->top_field_first; x264_encoder_reconfig(x4->enc, &x4->params); } if (x4->params.vui.i_sar_height*ctx->sample_aspect_ratio.num != ctx->sample_aspect_ratio.den * x4->params.vui.i_sar_width) { x4->params.vui.i_sar_height = ctx->sample_aspect_ratio.den; x4->params.vui.i_sar_width = ctx->sample_aspect_ratio.num; x264_encoder_reconfig(x4->enc, &x4->params); } if (x4->params.rc.i_vbv_buffer_size != ctx->rc_buffer_size / 1000 || x4->params.rc.i_vbv_max_bitrate != ctx->rc_max_rate / 1000) { x4->params.rc.i_vbv_buffer_size = ctx->rc_buffer_size / 1000; x4->params.rc.i_vbv_max_bitrate = ctx->rc_max_rate / 1000; x264_encoder_reconfig(x4->enc, &x4->params); } if (x4->params.rc.i_rc_method == X264_RC_ABR && x4->params.rc.i_bitrate != ctx->bit_rate / 1000) { x4->params.rc.i_bitrate = ctx->bit_rate / 1000; x264_encoder_reconfig(x4->enc, &x4->params); } if (x4->crf >= 0 && x4->params.rc.i_rc_method == X264_RC_CRF && x4->params.rc.f_rf_constant != x4->crf) { x4->params.rc.f_rf_constant = x4->crf; x264_encoder_reconfig(x4->enc, &x4->params); } if (x4->params.rc.i_rc_method == X264_RC_CQP && x4->cqp >= 0 && x4->params.rc.i_qp_constant != x4->cqp) { x4->params.rc.i_qp_constant = x4->cqp; x264_encoder_reconfig(x4->enc, &x4->params); } if (x4->crf_max >= 0 && x4->params.rc.f_rf_constant_max != x4->crf_max) { x4->params.rc.f_rf_constant_max = x4->crf_max; x264_encoder_reconfig(x4->enc, &x4->params); } } side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_STEREO3D); if (side_data) { AVStereo3D *stereo = (AVStereo3D *)side_data->data; int fpa_type; switch (stereo->type) { case AV_STEREO3D_CHECKERBOARD: fpa_type = 0; break; case AV_STEREO3D_COLUMNS: fpa_type = 1; break; case AV_STEREO3D_LINES: fpa_type = 2; break; case AV_STEREO3D_SIDEBYSIDE: fpa_type = 3; break; case AV_STEREO3D_TOPBOTTOM: fpa_type = 4; break; case AV_STEREO3D_FRAMESEQUENCE: fpa_type = 5; break; #if X264_BUILD >= 145 case AV_STEREO3D_2D: fpa_type = 6; break; #endif default: fpa_type = -1; break; } /* Inverted mode is not supported by x264 */ if (stereo->flags & AV_STEREO3D_FLAG_INVERT) { av_log(ctx, AV_LOG_WARNING, "Ignoring unsupported inverted stereo value %d\n", fpa_type); fpa_type = -1; } if (fpa_type != x4->params.i_frame_packing) { x4->params.i_frame_packing = fpa_type; x264_encoder_reconfig(x4->enc, &x4->params); } } } static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame, int *got_packet) { X264Context *x4 = ctx->priv_data; x264_nal_t *nal; int nnal, i, ret; x264_picture_t pic_out = {0}; int pict_type; int bit_depth; int64_t *out_opaque; AVFrameSideData *sd; x264_picture_init( &x4->pic ); x4->pic.img.i_csp = x4->params.i_csp; #if X264_BUILD >= 153 bit_depth = x4->params.i_bitdepth; #else bit_depth = x264_bit_depth; #endif if (bit_depth > 8) x4->pic.img.i_csp |= X264_CSP_HIGH_DEPTH; x4->pic.img.i_plane = avfmt2_num_planes(ctx->pix_fmt); if (frame) { for (i = 0; i < x4->pic.img.i_plane; i++) { x4->pic.img.plane[i] = frame->data[i]; x4->pic.img.i_stride[i] = frame->linesize[i]; } x4->pic.i_pts = frame->pts; x4->reordered_opaque[x4->next_reordered_opaque] = frame->reordered_opaque; x4->pic.opaque = &x4->reordered_opaque[x4->next_reordered_opaque]; x4->next_reordered_opaque++; x4->next_reordered_opaque %= x4->nb_reordered_opaque; switch (frame->pict_type) { case AV_PICTURE_TYPE_I: x4->pic.i_type = x4->forced_idr > 0 ? X264_TYPE_IDR : X264_TYPE_KEYFRAME; break; case AV_PICTURE_TYPE_P: x4->pic.i_type = X264_TYPE_P; break; case AV_PICTURE_TYPE_B: x4->pic.i_type = X264_TYPE_B; break; default: x4->pic.i_type = X264_TYPE_AUTO; break; } reconfig_encoder(ctx, frame); if (x4->a53_cc) { void *sei_data; size_t sei_size; ret = ff_alloc_a53_sei(frame, 0, &sei_data, &sei_size); if (ret < 0) { av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n"); } else if (sei_data) { x4->pic.extra_sei.payloads = av_mallocz(sizeof(x4->pic.extra_sei.payloads[0])); if (x4->pic.extra_sei.payloads == NULL) { av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n"); av_free(sei_data); } else { x4->pic.extra_sei.sei_free = av_free; x4->pic.extra_sei.payloads[0].payload_size = sei_size; x4->pic.extra_sei.payloads[0].payload = sei_data; x4->pic.extra_sei.num_payloads = 1; x4->pic.extra_sei.payloads[0].payload_type = 4; } } } sd = av_frame_get_side_data(frame, AV_FRAME_DATA_REGIONS_OF_INTEREST); if (sd) { if (x4->params.rc.i_aq_mode == X264_AQ_NONE) { if (!x4->roi_warned) { x4->roi_warned = 1; av_log(ctx, AV_LOG_WARNING, "Adaptive quantization must be enabled to use ROI encoding, skipping ROI.\n"); } } else { if (frame->interlaced_frame == 0) { int mbx = (frame->width + MB_SIZE - 1) / MB_SIZE; int mby = (frame->height + MB_SIZE - 1) / MB_SIZE; int qp_range = 51 + 6 * (bit_depth - 8); int nb_rois; const AVRegionOfInterest *roi; uint32_t roi_size; float *qoffsets; roi = (const AVRegionOfInterest*)sd->data; roi_size = roi->self_size; if (!roi_size || sd->size % roi_size != 0) { av_log(ctx, AV_LOG_ERROR, "Invalid AVRegionOfInterest.self_size.\n"); return AVERROR(EINVAL); } nb_rois = sd->size / roi_size; qoffsets = av_mallocz_array(mbx * mby, sizeof(*qoffsets)); if (!qoffsets) return AVERROR(ENOMEM); // This list must be iterated in reverse because the first // region in the list applies when regions overlap. for (int i = nb_rois - 1; i >= 0; i--) { int startx, endx, starty, endy; float qoffset; roi = (const AVRegionOfInterest*)(sd->data + roi_size * i); starty = FFMIN(mby, roi->top / MB_SIZE); endy = FFMIN(mby, (roi->bottom + MB_SIZE - 1)/ MB_SIZE); startx = FFMIN(mbx, roi->left / MB_SIZE); endx = FFMIN(mbx, (roi->right + MB_SIZE - 1)/ MB_SIZE); if (roi->qoffset.den == 0) { av_free(qoffsets); av_log(ctx, AV_LOG_ERROR, "AVRegionOfInterest.qoffset.den must not be zero.\n"); return AVERROR(EINVAL); } qoffset = roi->qoffset.num * 1.0f / roi->qoffset.den; qoffset = av_clipf(qoffset * qp_range, -qp_range, +qp_range); for (int y = starty; y < endy; y++) { for (int x = startx; x < endx; x++) { qoffsets[x + y*mbx] = qoffset; } } } x4->pic.prop.quant_offsets = qoffsets; x4->pic.prop.quant_offsets_free = av_free; } else { if (!x4->roi_warned) { x4->roi_warned = 1; av_log(ctx, AV_LOG_WARNING, "interlaced_frame not supported for ROI encoding yet, skipping ROI.\n"); } } } } } do { if (x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, &pic_out) < 0) return AVERROR_EXTERNAL; ret = encode_nals(ctx, pkt, nal, nnal); if (ret < 0) return ret; } while (!ret && !frame && x264_encoder_delayed_frames(x4->enc)); pkt->pts = pic_out.i_pts; pkt->dts = pic_out.i_dts; out_opaque = pic_out.opaque; if (out_opaque >= x4->reordered_opaque && out_opaque < &x4->reordered_opaque[x4->nb_reordered_opaque]) { ctx->reordered_opaque = *out_opaque; } else { // Unexpected opaque pointer on picture output ctx->reordered_opaque = 0; } switch (pic_out.i_type) { case X264_TYPE_IDR: case X264_TYPE_I: pict_type = AV_PICTURE_TYPE_I; break; case X264_TYPE_P: pict_type = AV_PICTURE_TYPE_P; break; case X264_TYPE_B: case X264_TYPE_BREF: pict_type = AV_PICTURE_TYPE_B; break; default: pict_type = AV_PICTURE_TYPE_NONE; } #if FF_API_CODED_FRAME FF_DISABLE_DEPRECATION_WARNINGS ctx->coded_frame->pict_type = pict_type; FF_ENABLE_DEPRECATION_WARNINGS #endif pkt->flags |= AV_PKT_FLAG_KEY*pic_out.b_keyframe; if (ret) { ff_side_data_set_encoder_stats(pkt, (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA, NULL, 0, pict_type); #if FF_API_CODED_FRAME FF_DISABLE_DEPRECATION_WARNINGS ctx->coded_frame->quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA; FF_ENABLE_DEPRECATION_WARNINGS #endif } *got_packet = ret; return 0; } static av_cold int X264_close(AVCodecContext *avctx) { X264Context *x4 = avctx->priv_data; av_freep(&avctx->extradata); av_freep(&x4->sei); av_freep(&x4->reordered_opaque); if (x4->enc) { x264_encoder_close(x4->enc); x4->enc = NULL; } return 0; } #define OPT_STR(opt, param) \ do { \ int ret; \ if ((ret = x264_param_parse(&x4->params, opt, param)) < 0) { \ if(ret == X264_PARAM_BAD_NAME) \ av_log(avctx, AV_LOG_ERROR, \ "bad option '%s': '%s'\n", opt, param); \ else \ av_log(avctx, AV_LOG_ERROR, \ "bad value for '%s': '%s'\n", opt, param); \ return -1; \ } \ } while (0) static int convert_pix_fmt(enum AVPixelFormat pix_fmt) { switch (pix_fmt) { case AV_PIX_FMT_YUV420P: case AV_PIX_FMT_YUVJ420P: case AV_PIX_FMT_YUV420P9: case AV_PIX_FMT_YUV420P10: return X264_CSP_I420; case AV_PIX_FMT_YUV422P: case AV_PIX_FMT_YUVJ422P: case AV_PIX_FMT_YUV422P10: return X264_CSP_I422; case AV_PIX_FMT_YUV444P: case AV_PIX_FMT_YUVJ444P: case AV_PIX_FMT_YUV444P9: case AV_PIX_FMT_YUV444P10: return X264_CSP_I444; #if CONFIG_LIBX264RGB_ENCODER case AV_PIX_FMT_BGR0: return X264_CSP_BGRA; case AV_PIX_FMT_BGR24: return X264_CSP_BGR; case AV_PIX_FMT_RGB24: return X264_CSP_RGB; #endif case AV_PIX_FMT_NV12: return X264_CSP_NV12; case AV_PIX_FMT_NV16: case AV_PIX_FMT_NV20: return X264_CSP_NV16; #ifdef X264_CSP_NV21 case AV_PIX_FMT_NV21: return X264_CSP_NV21; #endif #ifdef X264_CSP_I400 case AV_PIX_FMT_GRAY8: case AV_PIX_FMT_GRAY10: return X264_CSP_I400; #endif }; return 0; } #define PARSE_X264_OPT(name, var)\ if (x4->var && x264_param_parse(&x4->params, name, x4->var) < 0) {\ av_log(avctx, AV_LOG_ERROR, "Error parsing option '%s' with value '%s'.\n", name, x4->var);\ return AVERROR(EINVAL);\ } static av_cold int X264_init(AVCodecContext *avctx) { X264Context *x4 = avctx->priv_data; AVCPBProperties *cpb_props; int sw,sh; if (avctx->global_quality > 0) av_log(avctx, AV_LOG_WARNING, "-qscale is ignored, -crf is recommended.\n"); #if CONFIG_LIBX262_ENCODER if (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO) { x4->params.b_mpeg2 = 1; x264_param_default_mpeg2(&x4->params); } else #endif x264_param_default(&x4->params); x4->params.b_deblocking_filter = avctx->flags & AV_CODEC_FLAG_LOOP_FILTER; if (x4->preset || x4->tune) if (x264_param_default_preset(&x4->params, x4->preset, x4->tune) < 0) { int i; av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", x4->preset, x4->tune); av_log(avctx, AV_LOG_INFO, "Possible presets:"); for (i = 0; x264_preset_names[i]; i++) av_log(avctx, AV_LOG_INFO, " %s", x264_preset_names[i]); av_log(avctx, AV_LOG_INFO, "\n"); av_log(avctx, AV_LOG_INFO, "Possible tunes:"); for (i = 0; x264_tune_names[i]; i++) av_log(avctx, AV_LOG_INFO, " %s", x264_tune_names[i]); av_log(avctx, AV_LOG_INFO, "\n"); return AVERROR(EINVAL); } if (avctx->level > 0) x4->params.i_level_idc = avctx->level; x4->params.pf_log = X264_log; x4->params.p_log_private = avctx; x4->params.i_log_level = X264_LOG_DEBUG; x4->params.i_csp = convert_pix_fmt(avctx->pix_fmt); #if X264_BUILD >= 153 x4->params.i_bitdepth = av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth; #endif PARSE_X264_OPT("weightp", wpredp); if (avctx->bit_rate) { if (avctx->bit_rate / 1000 > INT_MAX || avctx->rc_max_rate / 1000 > INT_MAX) { av_log(avctx, AV_LOG_ERROR, "bit_rate and rc_max_rate > %d000 not supported by libx264\n", INT_MAX); return AVERROR(EINVAL); } x4->params.rc.i_bitrate = avctx->bit_rate / 1000; x4->params.rc.i_rc_method = X264_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 & AV_CODEC_FLAG_PASS1; if (avctx->flags & AV_CODEC_FLAG_PASS2) { x4->params.rc.b_stat_read = 1; } else { if (x4->crf >= 0) { x4->params.rc.i_rc_method = X264_RC_CRF; x4->params.rc.f_rf_constant = x4->crf; } else if (x4->cqp >= 0) { x4->params.rc.i_rc_method = X264_RC_CQP; x4->params.rc.i_qp_constant = x4->cqp; } if (x4->crf_max >= 0) x4->params.rc.f_rf_constant_max = x4->crf_max; } if (avctx->rc_buffer_size && avctx->rc_initial_buffer_occupancy > 0 && (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; } PARSE_X264_OPT("level", level); if (avctx->i_quant_factor > 0) x4->params.rc.f_ip_factor = 1 / fabs(avctx->i_quant_factor); if (avctx->b_quant_factor > 0) x4->params.rc.f_pb_factor = avctx->b_quant_factor; #if FF_API_PRIVATE_OPT FF_DISABLE_DEPRECATION_WARNINGS if (avctx->chromaoffset >= 0) x4->chroma_offset = avctx->chromaoffset; FF_ENABLE_DEPRECATION_WARNINGS #endif if (x4->chroma_offset >= 0) x4->params.analyse.i_chroma_qp_offset = x4->chroma_offset; if (avctx->gop_size >= 0) x4->params.i_keyint_max = avctx->gop_size; if (avctx->max_b_frames >= 0) x4->params.i_bframe = avctx->max_b_frames; #if FF_API_PRIVATE_OPT FF_DISABLE_DEPRECATION_WARNINGS if (avctx->scenechange_threshold >= 0) x4->scenechange_threshold = avctx->scenechange_threshold; FF_ENABLE_DEPRECATION_WARNINGS #endif if (x4->scenechange_threshold >= 0) x4->params.i_scenecut_threshold = x4->scenechange_threshold; if (avctx->qmin >= 0) x4->params.rc.i_qp_min = avctx->qmin; if (avctx->qmax >= 0) x4->params.rc.i_qp_max = avctx->qmax; if (avctx->max_qdiff >= 0) x4->params.rc.i_qp_step = avctx->max_qdiff; if (avctx->qblur >= 0) x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */ if (avctx->qcompress >= 0) x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */ if (avctx->refs >= 0) x4->params.i_frame_reference = avctx->refs; else if (x4->level) { int i; int mbn = AV_CEIL_RSHIFT(avctx->width, 4) * AV_CEIL_RSHIFT(avctx->height, 4); int level_id = -1; char *tail; int scale = X264_BUILD < 129 ? 384 : 1; if (!strcmp(x4->level, "1b")) { level_id = 9; } else if (strlen(x4->level) <= 3){ level_id = av_strtod(x4->level, &tail) * 10 + 0.5; if (*tail) level_id = -1; } if (level_id <= 0) av_log(avctx, AV_LOG_WARNING, "Failed to parse level\n"); for (i = 0; iparams.i_frame_reference = av_clip(x264_levels[i].dpb / mbn / scale, 1, x4->params.i_frame_reference); } if (avctx->trellis >= 0) x4->params.analyse.i_trellis = avctx->trellis; if (avctx->me_range >= 0) x4->params.analyse.i_me_range = avctx->me_range; #if FF_API_PRIVATE_OPT FF_DISABLE_DEPRECATION_WARNINGS if (avctx->noise_reduction >= 0) x4->noise_reduction = avctx->noise_reduction; FF_ENABLE_DEPRECATION_WARNINGS #endif if (x4->noise_reduction >= 0) x4->params.analyse.i_noise_reduction = x4->noise_reduction; if (avctx->me_subpel_quality >= 0) x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality; #if FF_API_PRIVATE_OPT FF_DISABLE_DEPRECATION_WARNINGS if (avctx->b_frame_strategy >= 0) x4->b_frame_strategy = avctx->b_frame_strategy; FF_ENABLE_DEPRECATION_WARNINGS #endif if (avctx->keyint_min >= 0) x4->params.i_keyint_min = avctx->keyint_min; #if FF_API_CODER_TYPE FF_DISABLE_DEPRECATION_WARNINGS if (avctx->coder_type >= 0) x4->coder = avctx->coder_type == FF_CODER_TYPE_AC; FF_ENABLE_DEPRECATION_WARNINGS #endif if (avctx->me_cmp >= 0) x4->params.analyse.b_chroma_me = avctx->me_cmp & FF_CMP_CHROMA; if (x4->aq_mode >= 0) x4->params.rc.i_aq_mode = x4->aq_mode; if (x4->aq_strength >= 0) x4->params.rc.f_aq_strength = x4->aq_strength; PARSE_X264_OPT("psy-rd", psy_rd); PARSE_X264_OPT("deblock", deblock); PARSE_X264_OPT("partitions", partitions); PARSE_X264_OPT("stats", stats); if (x4->psy >= 0) x4->params.analyse.b_psy = x4->psy; if (x4->rc_lookahead >= 0) x4->params.rc.i_lookahead = x4->rc_lookahead; if (x4->weightp >= 0) x4->params.analyse.i_weighted_pred = x4->weightp; if (x4->weightb >= 0) x4->params.analyse.b_weighted_bipred = x4->weightb; if (x4->cplxblur >= 0) x4->params.rc.f_complexity_blur = x4->cplxblur; if (x4->ssim >= 0) x4->params.analyse.b_ssim = x4->ssim; if (x4->intra_refresh >= 0) x4->params.b_intra_refresh = x4->intra_refresh; if (x4->bluray_compat >= 0) { x4->params.b_bluray_compat = x4->bluray_compat; x4->params.b_vfr_input = 0; } if (x4->avcintra_class >= 0) #if X264_BUILD >= 142 x4->params.i_avcintra_class = x4->avcintra_class; #else av_log(avctx, AV_LOG_ERROR, "x264 too old for AVC Intra, at least version 142 needed\n"); #endif if (x4->b_bias != INT_MIN) x4->params.i_bframe_bias = x4->b_bias; if (x4->b_pyramid >= 0) x4->params.i_bframe_pyramid = x4->b_pyramid; if (x4->mixed_refs >= 0) x4->params.analyse.b_mixed_references = x4->mixed_refs; if (x4->dct8x8 >= 0) x4->params.analyse.b_transform_8x8 = x4->dct8x8; if (x4->fast_pskip >= 0) x4->params.analyse.b_fast_pskip = x4->fast_pskip; 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->slice_max_size >= 0) x4->params.i_slice_max_size = x4->slice_max_size; if (x4->fastfirstpass) x264_param_apply_fastfirstpass(&x4->params); /* Allow specifying the x264 profile through AVCodecContext. */ if (!x4->profile) switch (avctx->profile) { case FF_PROFILE_H264_BASELINE: x4->profile = av_strdup("baseline"); break; case FF_PROFILE_H264_HIGH: x4->profile = av_strdup("high"); break; case FF_PROFILE_H264_HIGH_10: x4->profile = av_strdup("high10"); break; case FF_PROFILE_H264_HIGH_422: x4->profile = av_strdup("high422"); break; case FF_PROFILE_H264_HIGH_444: x4->profile = av_strdup("high444"); break; case FF_PROFILE_H264_MAIN: x4->profile = av_strdup("main"); break; default: break; } if (x4->nal_hrd >= 0) x4->params.i_nal_hrd = x4->nal_hrd; if (x4->motion_est >= 0) x4->params.analyse.i_me_method = x4->motion_est; if (x4->coder >= 0) x4->params.b_cabac = x4->coder; if (x4->b_frame_strategy >= 0) x4->params.i_bframe_adaptive = x4->b_frame_strategy; if (x4->profile) if (x264_param_apply_profile(&x4->params, x4->profile) < 0) { int i; av_log(avctx, AV_LOG_ERROR, "Error setting profile %s.\n", x4->profile); av_log(avctx, AV_LOG_INFO, "Possible profiles:"); for (i = 0; x264_profile_names[i]; i++) av_log(avctx, AV_LOG_INFO, " %s", x264_profile_names[i]); av_log(avctx, AV_LOG_INFO, "\n"); return AVERROR(EINVAL); } x4->params.i_width = avctx->width; x4->params.i_height = avctx->height; av_reduce(&sw, &sh, avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 4096); x4->params.vui.i_sar_width = sw; x4->params.vui.i_sar_height = sh; x4->params.i_timebase_den = avctx->time_base.den; x4->params.i_timebase_num = avctx->time_base.num; if (avctx->framerate.num > 0 && avctx->framerate.den > 0) { x4->params.i_fps_num = avctx->framerate.num; x4->params.i_fps_den = avctx->framerate.den; } else { x4->params.i_fps_num = avctx->time_base.den; x4->params.i_fps_den = avctx->time_base.num * avctx->ticks_per_frame; } x4->params.analyse.b_psnr = avctx->flags & AV_CODEC_FLAG_PSNR; x4->params.i_threads = avctx->thread_count; if (avctx->thread_type) x4->params.b_sliced_threads = avctx->thread_type == FF_THREAD_SLICE; x4->params.b_interlaced = avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT; x4->params.b_open_gop = !(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP); x4->params.i_slice_count = avctx->slices; x4->params.vui.b_fullrange = avctx->pix_fmt == AV_PIX_FMT_YUVJ420P || avctx->pix_fmt == AV_PIX_FMT_YUVJ422P || avctx->pix_fmt == AV_PIX_FMT_YUVJ444P || avctx->color_range == AVCOL_RANGE_JPEG; if (avctx->colorspace != AVCOL_SPC_UNSPECIFIED) x4->params.vui.i_colmatrix = avctx->colorspace; if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED) x4->params.vui.i_colorprim = avctx->color_primaries; if (avctx->color_trc != AVCOL_TRC_UNSPECIFIED) x4->params.vui.i_transfer = avctx->color_trc; if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) x4->params.b_repeat_headers = 0; if(x4->x264opts){ const char *p= x4->x264opts; while(p){ char param[4096]={0}, val[4096]={0}; if(sscanf(p, "%4095[^:=]=%4095[^:]", param, val) == 1){ OPT_STR(param, "1"); }else OPT_STR(param, val); p= strchr(p, ':'); p+=!!p; } } if (x4->x264_params) { AVDictionary *dict = NULL; AVDictionaryEntry *en = NULL; if (!av_dict_parse_string(&dict, x4->x264_params, "=", ":", 0)) { while ((en = av_dict_get(dict, "", en, AV_DICT_IGNORE_SUFFIX))) { if (x264_param_parse(&x4->params, en->key, en->value) < 0) av_log(avctx, AV_LOG_WARNING, "Error parsing option '%s = %s'.\n", en->key, en->value); } av_dict_free(&dict); } } // update AVCodecContext with x264 parameters avctx->has_b_frames = x4->params.i_bframe ? x4->params.i_bframe_pyramid ? 2 : 1 : 0; if (avctx->max_b_frames < 0) avctx->max_b_frames = 0; avctx->bit_rate = x4->params.rc.i_bitrate*1000LL; x4->enc = x264_encoder_open(&x4->params); if (!x4->enc) return AVERROR_EXTERNAL; if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) { x264_nal_t *nal; uint8_t *p; int nnal, s, i; s = x264_encoder_headers(x4->enc, &nal, &nnal); avctx->extradata = p = av_mallocz(s + AV_INPUT_BUFFER_PADDING_SIZE); if (!p) return AVERROR(ENOMEM); for (i = 0; i < nnal; i++) { /* Don't put the SEI in extradata. */ if (nal[i].i_type == NAL_SEI) { av_log(avctx, AV_LOG_INFO, "%s\n", nal[i].p_payload+25); x4->sei_size = nal[i].i_payload; x4->sei = av_malloc(x4->sei_size); if (!x4->sei) return AVERROR(ENOMEM); memcpy(x4->sei, nal[i].p_payload, nal[i].i_payload); continue; } memcpy(p, nal[i].p_payload, nal[i].i_payload); p += nal[i].i_payload; } avctx->extradata_size = p - avctx->extradata; } cpb_props = ff_add_cpb_side_data(avctx); if (!cpb_props) return AVERROR(ENOMEM); cpb_props->buffer_size = x4->params.rc.i_vbv_buffer_size * 1000; cpb_props->max_bitrate = x4->params.rc.i_vbv_max_bitrate * 1000LL; cpb_props->avg_bitrate = x4->params.rc.i_bitrate * 1000LL; // Overestimate the reordered opaque buffer size, in case a runtime // reconfigure would increase the delay (which it shouldn't). x4->nb_reordered_opaque = x264_encoder_maximum_delayed_frames(x4->enc) + 17; x4->reordered_opaque = av_malloc_array(x4->nb_reordered_opaque, sizeof(*x4->reordered_opaque)); if (!x4->reordered_opaque) return AVERROR(ENOMEM); return 0; } static const enum AVPixelFormat pix_fmts_8bit[] = { AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_NV12, AV_PIX_FMT_NV16, #ifdef X264_CSP_NV21 AV_PIX_FMT_NV21, #endif AV_PIX_FMT_NONE }; static const enum AVPixelFormat pix_fmts_9bit[] = { AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV444P9, AV_PIX_FMT_NONE }; static const enum AVPixelFormat pix_fmts_10bit[] = { AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_NV20, AV_PIX_FMT_NONE }; static const enum AVPixelFormat pix_fmts_all[] = { AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_NV12, AV_PIX_FMT_NV16, #ifdef X264_CSP_NV21 AV_PIX_FMT_NV21, #endif AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_NV20, #ifdef X264_CSP_I400 AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY10, #endif AV_PIX_FMT_NONE }; #if CONFIG_LIBX264RGB_ENCODER static const enum AVPixelFormat pix_fmts_8bit_rgb[] = { AV_PIX_FMT_BGR0, AV_PIX_FMT_BGR24, AV_PIX_FMT_RGB24, AV_PIX_FMT_NONE }; #endif static av_cold void X264_init_static(AVCodec *codec) { #if X264_BUILD < 153 if (x264_bit_depth == 8) codec->pix_fmts = pix_fmts_8bit; else if (x264_bit_depth == 9) codec->pix_fmts = pix_fmts_9bit; else if (x264_bit_depth == 10) codec->pix_fmts = pix_fmts_10bit; #else codec->pix_fmts = pix_fmts_all; #endif } #define OFFSET(x) offsetof(X264Context, x) #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM static const AVOption options[] = { { "preset", "Set the encoding preset (cf. x264 --fullhelp)", OFFSET(preset), AV_OPT_TYPE_STRING, { .str = "medium" }, 0, 0, VE}, { "tune", "Tune the encoding params (cf. x264 --fullhelp)", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE}, { "profile", "Set profile restrictions (cf. x264 --fullhelp) ", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE}, { "fastfirstpass", "Use fast settings when encoding first pass", OFFSET(fastfirstpass), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE}, {"level", "Specify level (as defined by Annex A)", OFFSET(level), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE}, {"passlogfile", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE}, {"wpredp", "Weighted prediction for P-frames", OFFSET(wpredp), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE}, {"a53cc", "Use A53 Closed Captions (if available)", OFFSET(a53_cc), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, VE}, {"x264opts", "x264 options", OFFSET(x264opts), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE}, { "crf", "Select the quality for constant quality mode", OFFSET(crf), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE }, { "crf_max", "In CRF mode, prevents VBV from lowering quality beyond this point.",OFFSET(crf_max), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE }, { "qp", "Constant quantization parameter rate control method",OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE }, { "aq-mode", "AQ method", OFFSET(aq_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "aq_mode"}, { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_NONE}, INT_MIN, INT_MAX, VE, "aq_mode" }, { "variance", "Variance AQ (complexity mask)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_VARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" }, { "autovariance", "Auto-variance AQ", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" }, #if X264_BUILD >= 144 { "autovariance-biased", "Auto-variance AQ with bias to dark scenes", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE_BIASED}, INT_MIN, INT_MAX, VE, "aq_mode" }, #endif { "aq-strength", "AQ strength. Reduces blocking and blurring in flat and textured areas.", OFFSET(aq_strength), AV_OPT_TYPE_FLOAT, {.dbl = -1}, -1, FLT_MAX, VE}, { "psy", "Use psychovisual optimizations.", OFFSET(psy), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE }, { "psy-rd", "Strength of psychovisual optimization, in : format.", OFFSET(psy_rd), AV_OPT_TYPE_STRING, {0 }, 0, 0, VE}, { "rc-lookahead", "Number of frames to look ahead for frametype and ratecontrol", OFFSET(rc_lookahead), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE }, { "weightb", "Weighted prediction for B-frames.", OFFSET(weightb), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE }, { "weightp", "Weighted prediction analysis method.", OFFSET(weightp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "weightp" }, { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_NONE}, INT_MIN, INT_MAX, VE, "weightp" }, { "simple", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SIMPLE}, INT_MIN, INT_MAX, VE, "weightp" }, { "smart", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SMART}, INT_MIN, INT_MAX, VE, "weightp" }, { "ssim", "Calculate and print SSIM stats.", OFFSET(ssim), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE }, { "intra-refresh", "Use Periodic Intra Refresh instead of IDR frames.",OFFSET(intra_refresh),AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE }, { "bluray-compat", "Bluray compatibility workarounds.", OFFSET(bluray_compat) ,AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE }, { "b-bias", "Influences how often B-frames are used", OFFSET(b_bias), AV_OPT_TYPE_INT, { .i64 = INT_MIN}, INT_MIN, INT_MAX, VE }, { "b-pyramid", "Keep some B-frames as references.", OFFSET(b_pyramid), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "b_pyramid" }, { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NONE}, INT_MIN, INT_MAX, VE, "b_pyramid" }, { "strict", "Strictly hierarchical pyramid", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_STRICT}, INT_MIN, INT_MAX, VE, "b_pyramid" }, { "normal", "Non-strict (not Blu-ray compatible)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NORMAL}, INT_MIN, INT_MAX, VE, "b_pyramid" }, { "mixed-refs", "One reference per partition, as opposed to one reference per macroblock", OFFSET(mixed_refs), AV_OPT_TYPE_BOOL, { .i64 = -1}, -1, 1, VE }, { "8x8dct", "High profile 8x8 transform.", OFFSET(dct8x8), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE}, { "fast-pskip", NULL, OFFSET(fast_pskip), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE}, { "aud", "Use access unit delimiters.", OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE}, { "mbtree", "Use macroblock tree ratecontrol.", OFFSET(mbtree), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE}, { "deblock", "Loop filter parameters, in form.", OFFSET(deblock), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE}, { "cplxblur", "Reduce fluctuations in QP (before curve compression)", OFFSET(cplxblur), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE}, { "partitions", "A comma-separated list of partitions to consider. " "Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all", OFFSET(partitions), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE}, { "direct-pred", "Direct MV prediction mode", OFFSET(direct_pred), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "direct-pred" }, { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_NONE }, 0, 0, VE, "direct-pred" }, { "spatial", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_SPATIAL }, 0, 0, VE, "direct-pred" }, { "temporal", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_TEMPORAL }, 0, 0, VE, "direct-pred" }, { "auto", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_AUTO }, 0, 0, VE, "direct-pred" }, { "slice-max-size","Limit the size of each slice in bytes", OFFSET(slice_max_size),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE }, { "stats", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE }, { "nal-hrd", "Signal HRD information (requires vbv-bufsize; " "cbr not allowed in .mp4)", OFFSET(nal_hrd), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "nal-hrd" }, { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_NONE}, INT_MIN, INT_MAX, VE, "nal-hrd" }, { "vbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_VBR}, INT_MIN, INT_MAX, VE, "nal-hrd" }, { "cbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_CBR}, INT_MIN, INT_MAX, VE, "nal-hrd" }, { "avcintra-class","AVC-Intra class 50/100/200", OFFSET(avcintra_class),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 200 , VE}, { "me_method", "Set motion estimation method", OFFSET(motion_est), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, X264_ME_TESA, VE, "motion-est"}, { "motion-est", "Set motion estimation method", OFFSET(motion_est), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, X264_ME_TESA, VE, "motion-est"}, { "dia", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_DIA }, INT_MIN, INT_MAX, VE, "motion-est" }, { "hex", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_HEX }, INT_MIN, INT_MAX, VE, "motion-est" }, { "umh", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_UMH }, INT_MIN, INT_MAX, VE, "motion-est" }, { "esa", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_ESA }, INT_MIN, INT_MAX, VE, "motion-est" }, { "tesa", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_TESA }, INT_MIN, INT_MAX, VE, "motion-est" }, { "forced-idr", "If forcing keyframes, force them as IDR frames.", OFFSET(forced_idr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, -1, 1, VE }, { "coder", "Coder type", OFFSET(coder), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE, "coder" }, { "default", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = -1 }, INT_MIN, INT_MAX, VE, "coder" }, { "cavlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "coder" }, { "cabac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "coder" }, { "vlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "coder" }, { "ac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "coder" }, { "b_strategy", "Strategy to choose between I/P/B-frames", OFFSET(b_frame_strategy), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 2, VE }, { "chromaoffset", "QP difference between chroma and luma", OFFSET(chroma_offset), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE }, { "sc_threshold", "Scene change threshold", OFFSET(scenechange_threshold), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE }, { "noise_reduction", "Noise reduction", OFFSET(noise_reduction), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE }, { "x264-params", "Override the x264 configuration using a :-separated list of key=value parameters", OFFSET(x264_params), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE }, { NULL }, }; static const AVCodecDefault x264_defaults[] = { { "b", "0" }, { "bf", "-1" }, { "flags2", "0" }, { "g", "-1" }, { "i_qfactor", "-1" }, { "b_qfactor", "-1" }, { "qmin", "-1" }, { "qmax", "-1" }, { "qdiff", "-1" }, { "qblur", "-1" }, { "qcomp", "-1" }, // { "rc_lookahead", "-1" }, { "refs", "-1" }, #if FF_API_PRIVATE_OPT { "sc_threshold", "-1" }, #endif { "trellis", "-1" }, #if FF_API_PRIVATE_OPT { "nr", "-1" }, #endif { "me_range", "-1" }, { "subq", "-1" }, #if FF_API_PRIVATE_OPT { "b_strategy", "-1" }, #endif { "keyint_min", "-1" }, #if FF_API_CODER_TYPE { "coder", "-1" }, #endif { "cmp", "-1" }, { "threads", AV_STRINGIFY(X264_THREADS_AUTO) }, { "thread_type", "0" }, { "flags", "+cgop" }, { "rc_init_occupancy","-1" }, { NULL }, }; #if CONFIG_LIBX264_ENCODER static const AVClass x264_class = { .class_name = "libx264", .item_name = av_default_item_name, .option = options, .version = LIBAVUTIL_VERSION_INT, }; AVCodec ff_libx264_encoder = { .name = "libx264", .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"), .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_H264, .priv_data_size = sizeof(X264Context), .init = X264_init, .encode2 = X264_frame, .close = X264_close, .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE, .priv_class = &x264_class, .defaults = x264_defaults, .init_static_data = X264_init_static, #if X264_BUILD >= 158 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_INIT_THREADSAFE, #else .caps_internal = FF_CODEC_CAP_INIT_CLEANUP, #endif .wrapper_name = "libx264", }; #endif #if CONFIG_LIBX264RGB_ENCODER static const AVClass rgbclass = { .class_name = "libx264rgb", .item_name = av_default_item_name, .option = options, .version = LIBAVUTIL_VERSION_INT, }; AVCodec ff_libx264rgb_encoder = { .name = "libx264rgb", .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB"), .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_H264, .priv_data_size = sizeof(X264Context), .init = X264_init, .encode2 = X264_frame, .close = X264_close, .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE, .priv_class = &rgbclass, .defaults = x264_defaults, .pix_fmts = pix_fmts_8bit_rgb, #if X264_BUILD >= 158 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_INIT_THREADSAFE, #else .caps_internal = FF_CODEC_CAP_INIT_CLEANUP, #endif .wrapper_name = "libx264", }; #endif #if CONFIG_LIBX262_ENCODER static const AVClass X262_class = { .class_name = "libx262", .item_name = av_default_item_name, .option = options, .version = LIBAVUTIL_VERSION_INT, }; AVCodec ff_libx262_encoder = { .name = "libx262", .long_name = NULL_IF_CONFIG_SMALL("libx262 MPEG2VIDEO"), .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_MPEG2VIDEO, .priv_data_size = sizeof(X264Context), .init = X264_init, .encode2 = X264_frame, .close = X264_close, .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE, .priv_class = &X262_class, .defaults = x264_defaults, .pix_fmts = pix_fmts_8bit, .caps_internal = FF_CODEC_CAP_INIT_CLEANUP, .wrapper_name = "libx264", }; #endif