yading@10: /* yading@10: * H.264 encoding using the x264 library yading@10: * Copyright (C) 2005 Mans Rullgard yading@10: * yading@10: * This file is part of FFmpeg. yading@10: * yading@10: * FFmpeg is free software; you can redistribute it and/or yading@10: * modify it under the terms of the GNU Lesser General Public yading@10: * License as published by the Free Software Foundation; either yading@10: * version 2.1 of the License, or (at your option) any later version. yading@10: * yading@10: * FFmpeg is distributed in the hope that it will be useful, yading@10: * but WITHOUT ANY WARRANTY; without even the implied warranty of yading@10: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU yading@10: * Lesser General Public License for more details. yading@10: * yading@10: * You should have received a copy of the GNU Lesser General Public yading@10: * License along with FFmpeg; if not, write to the Free Software yading@10: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA yading@10: */ yading@10: yading@10: #include "libavutil/internal.h" yading@10: #include "libavutil/opt.h" yading@10: #include "libavutil/mem.h" yading@10: #include "libavutil/pixdesc.h" yading@10: #include "avcodec.h" yading@10: #include "internal.h" yading@10: #include yading@10: #include yading@10: #include yading@10: #include yading@10: #include yading@10: #include yading@10: yading@10: typedef struct X264Context { yading@10: AVClass *class; yading@10: x264_param_t params; yading@10: x264_t *enc; yading@10: x264_picture_t pic; yading@10: uint8_t *sei; yading@10: int sei_size; yading@10: AVFrame out_pic; yading@10: char *preset; yading@10: char *tune; yading@10: char *profile; yading@10: char *level; yading@10: int fastfirstpass; yading@10: char *wpredp; yading@10: char *x264opts; yading@10: float crf; yading@10: float crf_max; yading@10: int cqp; yading@10: int aq_mode; yading@10: float aq_strength; yading@10: char *psy_rd; yading@10: int psy; yading@10: int rc_lookahead; yading@10: int weightp; yading@10: int weightb; yading@10: int ssim; yading@10: int intra_refresh; yading@10: int b_bias; yading@10: int b_pyramid; yading@10: int mixed_refs; yading@10: int dct8x8; yading@10: int fast_pskip; yading@10: int aud; yading@10: int mbtree; yading@10: char *deblock; yading@10: float cplxblur; yading@10: char *partitions; yading@10: int direct_pred; yading@10: int slice_max_size; yading@10: char *stats; yading@10: int nal_hrd; yading@10: char *x264_params; yading@10: } X264Context; yading@10: yading@10: static void X264_log(void *p, int level, const char *fmt, va_list args) yading@10: { yading@10: static const int level_map[] = { yading@10: [X264_LOG_ERROR] = AV_LOG_ERROR, yading@10: [X264_LOG_WARNING] = AV_LOG_WARNING, yading@10: [X264_LOG_INFO] = AV_LOG_INFO, yading@10: [X264_LOG_DEBUG] = AV_LOG_DEBUG yading@10: }; yading@10: yading@10: if (level < 0 || level > X264_LOG_DEBUG) yading@10: return; yading@10: yading@10: av_vlog(p, level_map[level], fmt, args); yading@10: } yading@10: yading@10: yading@10: static int encode_nals(AVCodecContext *ctx, AVPacket *pkt, yading@10: x264_nal_t *nals, int nnal) yading@10: { yading@10: X264Context *x4 = ctx->priv_data; yading@10: uint8_t *p; yading@10: int i, size = x4->sei_size, ret; yading@10: yading@10: if (!nnal) yading@10: return 0; yading@10: yading@10: for (i = 0; i < nnal; i++) yading@10: size += nals[i].i_payload; yading@10: yading@10: if ((ret = ff_alloc_packet2(ctx, pkt, size)) < 0) yading@10: return ret; yading@10: yading@10: p = pkt->data; yading@10: yading@10: /* Write the SEI as part of the first frame. */ yading@10: if (x4->sei_size > 0 && nnal > 0) { yading@10: if (x4->sei_size > size) { yading@10: av_log(ctx, AV_LOG_ERROR, "Error: nal buffer is too small\n"); yading@10: return -1; yading@10: } yading@10: memcpy(p, x4->sei, x4->sei_size); yading@10: p += x4->sei_size; yading@10: x4->sei_size = 0; yading@10: av_freep(&x4->sei); yading@10: } yading@10: yading@10: for (i = 0; i < nnal; i++){ yading@10: memcpy(p, nals[i].p_payload, nals[i].i_payload); yading@10: p += nals[i].i_payload; yading@10: } yading@10: yading@10: return 1; yading@10: } yading@10: yading@10: static int avfmt2_num_planes(int avfmt) yading@10: { yading@10: switch (avfmt) { yading@10: case AV_PIX_FMT_YUV420P: yading@10: case AV_PIX_FMT_YUVJ420P: yading@10: case AV_PIX_FMT_YUV420P9: yading@10: case AV_PIX_FMT_YUV420P10: yading@10: case AV_PIX_FMT_YUV444P: yading@10: return 3; yading@10: yading@10: case AV_PIX_FMT_BGR24: yading@10: case AV_PIX_FMT_RGB24: yading@10: return 1; yading@10: yading@10: default: yading@10: return 3; yading@10: } yading@10: } yading@10: yading@10: static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame, yading@10: int *got_packet) yading@10: { yading@10: X264Context *x4 = ctx->priv_data; yading@10: x264_nal_t *nal; yading@10: int nnal, i, ret; yading@10: x264_picture_t pic_out; yading@10: yading@10: x264_picture_init( &x4->pic ); yading@10: x4->pic.img.i_csp = x4->params.i_csp; yading@10: if (x264_bit_depth > 8) yading@10: x4->pic.img.i_csp |= X264_CSP_HIGH_DEPTH; yading@10: x4->pic.img.i_plane = avfmt2_num_planes(ctx->pix_fmt); yading@10: yading@10: if (frame) { yading@10: for (i = 0; i < x4->pic.img.i_plane; i++) { yading@10: x4->pic.img.plane[i] = frame->data[i]; yading@10: x4->pic.img.i_stride[i] = frame->linesize[i]; yading@10: } yading@10: yading@10: x4->pic.i_pts = frame->pts; yading@10: x4->pic.i_type = yading@10: frame->pict_type == AV_PICTURE_TYPE_I ? X264_TYPE_KEYFRAME : yading@10: frame->pict_type == AV_PICTURE_TYPE_P ? X264_TYPE_P : yading@10: frame->pict_type == AV_PICTURE_TYPE_B ? X264_TYPE_B : yading@10: X264_TYPE_AUTO; yading@10: if (x4->params.b_interlaced && x4->params.b_tff != frame->top_field_first) { yading@10: x4->params.b_tff = frame->top_field_first; yading@10: x264_encoder_reconfig(x4->enc, &x4->params); yading@10: } yading@10: if (x4->params.vui.i_sar_height != ctx->sample_aspect_ratio.den || yading@10: x4->params.vui.i_sar_width != ctx->sample_aspect_ratio.num) { yading@10: x4->params.vui.i_sar_height = ctx->sample_aspect_ratio.den; yading@10: x4->params.vui.i_sar_width = ctx->sample_aspect_ratio.num; yading@10: x264_encoder_reconfig(x4->enc, &x4->params); yading@10: } yading@10: } yading@10: yading@10: do { yading@10: if (x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, &pic_out) < 0) yading@10: return -1; yading@10: yading@10: ret = encode_nals(ctx, pkt, nal, nnal); yading@10: if (ret < 0) yading@10: return -1; yading@10: } while (!ret && !frame && x264_encoder_delayed_frames(x4->enc)); yading@10: yading@10: pkt->pts = pic_out.i_pts; yading@10: pkt->dts = pic_out.i_dts; yading@10: yading@10: switch (pic_out.i_type) { yading@10: case X264_TYPE_IDR: yading@10: case X264_TYPE_I: yading@10: x4->out_pic.pict_type = AV_PICTURE_TYPE_I; yading@10: break; yading@10: case X264_TYPE_P: yading@10: x4->out_pic.pict_type = AV_PICTURE_TYPE_P; yading@10: break; yading@10: case X264_TYPE_B: yading@10: case X264_TYPE_BREF: yading@10: x4->out_pic.pict_type = AV_PICTURE_TYPE_B; yading@10: break; yading@10: } yading@10: yading@10: pkt->flags |= AV_PKT_FLAG_KEY*pic_out.b_keyframe; yading@10: if (ret) yading@10: x4->out_pic.quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA; yading@10: yading@10: *got_packet = ret; yading@10: return 0; yading@10: } yading@10: yading@10: static av_cold int X264_close(AVCodecContext *avctx) yading@10: { yading@10: X264Context *x4 = avctx->priv_data; yading@10: yading@10: av_freep(&avctx->extradata); yading@10: av_free(x4->sei); yading@10: yading@10: if (x4->enc) yading@10: x264_encoder_close(x4->enc); yading@10: yading@10: return 0; yading@10: } yading@10: yading@10: #define OPT_STR(opt, param) \ yading@10: do { \ yading@10: int ret; \ yading@10: if (param && (ret = x264_param_parse(&x4->params, opt, param)) < 0) { \ yading@10: if(ret == X264_PARAM_BAD_NAME) \ yading@10: av_log(avctx, AV_LOG_ERROR, \ yading@10: "bad option '%s': '%s'\n", opt, param); \ yading@10: else \ yading@10: av_log(avctx, AV_LOG_ERROR, \ yading@10: "bad value for '%s': '%s'\n", opt, param); \ yading@10: return -1; \ yading@10: } \ yading@10: } while (0) yading@10: yading@10: static int convert_pix_fmt(enum AVPixelFormat pix_fmt) yading@10: { yading@10: switch (pix_fmt) { yading@10: case AV_PIX_FMT_YUV420P: yading@10: case AV_PIX_FMT_YUVJ420P: yading@10: case AV_PIX_FMT_YUV420P9: yading@10: case AV_PIX_FMT_YUV420P10: return X264_CSP_I420; yading@10: case AV_PIX_FMT_YUV422P: yading@10: case AV_PIX_FMT_YUV422P10: return X264_CSP_I422; yading@10: case AV_PIX_FMT_YUV444P: yading@10: case AV_PIX_FMT_YUV444P9: yading@10: case AV_PIX_FMT_YUV444P10: return X264_CSP_I444; yading@10: #ifdef X264_CSP_BGR yading@10: case AV_PIX_FMT_BGR24: yading@10: return X264_CSP_BGR; yading@10: yading@10: case AV_PIX_FMT_RGB24: yading@10: return X264_CSP_RGB; yading@10: #endif yading@10: }; yading@10: return 0; yading@10: } yading@10: yading@10: #define PARSE_X264_OPT(name, var)\ yading@10: if (x4->var && x264_param_parse(&x4->params, name, x4->var) < 0) {\ yading@10: av_log(avctx, AV_LOG_ERROR, "Error parsing option '%s' with value '%s'.\n", name, x4->var);\ yading@10: return AVERROR(EINVAL);\ yading@10: } yading@10: yading@10: static av_cold int X264_init(AVCodecContext *avctx) yading@10: { yading@10: X264Context *x4 = avctx->priv_data; yading@10: int sw,sh; yading@10: yading@10: x264_param_default(&x4->params); yading@10: yading@10: x4->params.b_deblocking_filter = avctx->flags & CODEC_FLAG_LOOP_FILTER; yading@10: yading@10: x4->params.rc.f_pb_factor = avctx->b_quant_factor; yading@10: x4->params.analyse.i_chroma_qp_offset = avctx->chromaoffset; yading@10: if (x4->preset || x4->tune) yading@10: if (x264_param_default_preset(&x4->params, x4->preset, x4->tune) < 0) { yading@10: int i; yading@10: av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", x4->preset, x4->tune); yading@10: av_log(avctx, AV_LOG_INFO, "Possible presets:"); yading@10: for (i = 0; x264_preset_names[i]; i++) yading@10: av_log(avctx, AV_LOG_INFO, " %s", x264_preset_names[i]); yading@10: av_log(avctx, AV_LOG_INFO, "\n"); yading@10: av_log(avctx, AV_LOG_INFO, "Possible tunes:"); yading@10: for (i = 0; x264_tune_names[i]; i++) yading@10: av_log(avctx, AV_LOG_INFO, " %s", x264_tune_names[i]); yading@10: av_log(avctx, AV_LOG_INFO, "\n"); yading@10: return AVERROR(EINVAL); yading@10: } yading@10: yading@10: if (avctx->level > 0) yading@10: x4->params.i_level_idc = avctx->level; yading@10: yading@10: x4->params.pf_log = X264_log; yading@10: x4->params.p_log_private = avctx; yading@10: x4->params.i_log_level = X264_LOG_DEBUG; yading@10: x4->params.i_csp = convert_pix_fmt(avctx->pix_fmt); yading@10: yading@10: OPT_STR("weightp", x4->wpredp); yading@10: yading@10: if (avctx->bit_rate) { yading@10: x4->params.rc.i_bitrate = avctx->bit_rate / 1000; yading@10: x4->params.rc.i_rc_method = X264_RC_ABR; yading@10: } yading@10: x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000; yading@10: x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000; yading@10: x4->params.rc.b_stat_write = avctx->flags & CODEC_FLAG_PASS1; yading@10: if (avctx->flags & CODEC_FLAG_PASS2) { yading@10: x4->params.rc.b_stat_read = 1; yading@10: } else { yading@10: if (x4->crf >= 0) { yading@10: x4->params.rc.i_rc_method = X264_RC_CRF; yading@10: x4->params.rc.f_rf_constant = x4->crf; yading@10: } else if (x4->cqp >= 0) { yading@10: x4->params.rc.i_rc_method = X264_RC_CQP; yading@10: x4->params.rc.i_qp_constant = x4->cqp; yading@10: } yading@10: yading@10: if (x4->crf_max >= 0) yading@10: x4->params.rc.f_rf_constant_max = x4->crf_max; yading@10: } yading@10: yading@10: if (avctx->rc_buffer_size && avctx->rc_initial_buffer_occupancy > 0 && yading@10: (avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)) { yading@10: x4->params.rc.f_vbv_buffer_init = yading@10: (float)avctx->rc_initial_buffer_occupancy / avctx->rc_buffer_size; yading@10: } yading@10: yading@10: OPT_STR("level", x4->level); yading@10: yading@10: if(x4->x264opts){ yading@10: const char *p= x4->x264opts; yading@10: while(p){ yading@10: char param[256]={0}, val[256]={0}; yading@10: if(sscanf(p, "%255[^:=]=%255[^:]", param, val) == 1){ yading@10: OPT_STR(param, "1"); yading@10: }else yading@10: OPT_STR(param, val); yading@10: p= strchr(p, ':'); yading@10: p+=!!p; yading@10: } yading@10: } yading@10: yading@10: if (avctx->i_quant_factor > 0) yading@10: x4->params.rc.f_ip_factor = 1 / fabs(avctx->i_quant_factor); yading@10: yading@10: if (avctx->me_method == ME_EPZS) yading@10: x4->params.analyse.i_me_method = X264_ME_DIA; yading@10: else if (avctx->me_method == ME_HEX) yading@10: x4->params.analyse.i_me_method = X264_ME_HEX; yading@10: else if (avctx->me_method == ME_UMH) yading@10: x4->params.analyse.i_me_method = X264_ME_UMH; yading@10: else if (avctx->me_method == ME_FULL) yading@10: x4->params.analyse.i_me_method = X264_ME_ESA; yading@10: else if (avctx->me_method == ME_TESA) yading@10: x4->params.analyse.i_me_method = X264_ME_TESA; yading@10: yading@10: if (avctx->gop_size >= 0) yading@10: x4->params.i_keyint_max = avctx->gop_size; yading@10: if (avctx->max_b_frames >= 0) yading@10: x4->params.i_bframe = avctx->max_b_frames; yading@10: if (avctx->scenechange_threshold >= 0) yading@10: x4->params.i_scenecut_threshold = avctx->scenechange_threshold; yading@10: if (avctx->qmin >= 0) yading@10: x4->params.rc.i_qp_min = avctx->qmin; yading@10: if (avctx->qmax >= 0) yading@10: x4->params.rc.i_qp_max = avctx->qmax; yading@10: if (avctx->max_qdiff >= 0) yading@10: x4->params.rc.i_qp_step = avctx->max_qdiff; yading@10: if (avctx->qblur >= 0) yading@10: x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */ yading@10: if (avctx->qcompress >= 0) yading@10: x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */ yading@10: if (avctx->refs >= 0) yading@10: x4->params.i_frame_reference = avctx->refs; yading@10: if (avctx->trellis >= 0) yading@10: x4->params.analyse.i_trellis = avctx->trellis; yading@10: if (avctx->me_range >= 0) yading@10: x4->params.analyse.i_me_range = avctx->me_range; yading@10: if (avctx->noise_reduction >= 0) yading@10: x4->params.analyse.i_noise_reduction = avctx->noise_reduction; yading@10: if (avctx->me_subpel_quality >= 0) yading@10: x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality; yading@10: if (avctx->b_frame_strategy >= 0) yading@10: x4->params.i_bframe_adaptive = avctx->b_frame_strategy; yading@10: if (avctx->keyint_min >= 0) yading@10: x4->params.i_keyint_min = avctx->keyint_min; yading@10: if (avctx->coder_type >= 0) yading@10: x4->params.b_cabac = avctx->coder_type == FF_CODER_TYPE_AC; yading@10: if (avctx->me_cmp >= 0) yading@10: x4->params.analyse.b_chroma_me = avctx->me_cmp & FF_CMP_CHROMA; yading@10: yading@10: if (x4->aq_mode >= 0) yading@10: x4->params.rc.i_aq_mode = x4->aq_mode; yading@10: if (x4->aq_strength >= 0) yading@10: x4->params.rc.f_aq_strength = x4->aq_strength; yading@10: PARSE_X264_OPT("psy-rd", psy_rd); yading@10: PARSE_X264_OPT("deblock", deblock); yading@10: PARSE_X264_OPT("partitions", partitions); yading@10: PARSE_X264_OPT("stats", stats); yading@10: if (x4->psy >= 0) yading@10: x4->params.analyse.b_psy = x4->psy; yading@10: if (x4->rc_lookahead >= 0) yading@10: x4->params.rc.i_lookahead = x4->rc_lookahead; yading@10: if (x4->weightp >= 0) yading@10: x4->params.analyse.i_weighted_pred = x4->weightp; yading@10: if (x4->weightb >= 0) yading@10: x4->params.analyse.b_weighted_bipred = x4->weightb; yading@10: if (x4->cplxblur >= 0) yading@10: x4->params.rc.f_complexity_blur = x4->cplxblur; yading@10: yading@10: if (x4->ssim >= 0) yading@10: x4->params.analyse.b_ssim = x4->ssim; yading@10: if (x4->intra_refresh >= 0) yading@10: x4->params.b_intra_refresh = x4->intra_refresh; yading@10: if (x4->b_bias != INT_MIN) yading@10: x4->params.i_bframe_bias = x4->b_bias; yading@10: if (x4->b_pyramid >= 0) yading@10: x4->params.i_bframe_pyramid = x4->b_pyramid; yading@10: if (x4->mixed_refs >= 0) yading@10: x4->params.analyse.b_mixed_references = x4->mixed_refs; yading@10: if (x4->dct8x8 >= 0) yading@10: x4->params.analyse.b_transform_8x8 = x4->dct8x8; yading@10: if (x4->fast_pskip >= 0) yading@10: x4->params.analyse.b_fast_pskip = x4->fast_pskip; yading@10: if (x4->aud >= 0) yading@10: x4->params.b_aud = x4->aud; yading@10: if (x4->mbtree >= 0) yading@10: x4->params.rc.b_mb_tree = x4->mbtree; yading@10: if (x4->direct_pred >= 0) yading@10: x4->params.analyse.i_direct_mv_pred = x4->direct_pred; yading@10: yading@10: if (x4->slice_max_size >= 0) yading@10: x4->params.i_slice_max_size = x4->slice_max_size; yading@10: else { yading@10: /* yading@10: * Allow x264 to be instructed through AVCodecContext about the maximum yading@10: * size of the RTP payload. For example, this enables the production of yading@10: * payload suitable for the H.264 RTP packetization-mode 0 i.e. single yading@10: * NAL unit per RTP packet. yading@10: */ yading@10: if (avctx->rtp_payload_size) yading@10: x4->params.i_slice_max_size = avctx->rtp_payload_size; yading@10: } yading@10: yading@10: if (x4->fastfirstpass) yading@10: x264_param_apply_fastfirstpass(&x4->params); yading@10: yading@10: /* Allow specifying the x264 profile through AVCodecContext. */ yading@10: if (!x4->profile) yading@10: switch (avctx->profile) { yading@10: case FF_PROFILE_H264_BASELINE: yading@10: x4->profile = av_strdup("baseline"); yading@10: break; yading@10: case FF_PROFILE_H264_HIGH: yading@10: x4->profile = av_strdup("high"); yading@10: break; yading@10: case FF_PROFILE_H264_HIGH_10: yading@10: x4->profile = av_strdup("high10"); yading@10: break; yading@10: case FF_PROFILE_H264_HIGH_422: yading@10: x4->profile = av_strdup("high422"); yading@10: break; yading@10: case FF_PROFILE_H264_HIGH_444: yading@10: x4->profile = av_strdup("high444"); yading@10: break; yading@10: case FF_PROFILE_H264_MAIN: yading@10: x4->profile = av_strdup("main"); yading@10: break; yading@10: default: yading@10: break; yading@10: } yading@10: yading@10: if (x4->nal_hrd >= 0) yading@10: x4->params.i_nal_hrd = x4->nal_hrd; yading@10: yading@10: if (x4->profile) yading@10: if (x264_param_apply_profile(&x4->params, x4->profile) < 0) { yading@10: int i; yading@10: av_log(avctx, AV_LOG_ERROR, "Error setting profile %s.\n", x4->profile); yading@10: av_log(avctx, AV_LOG_INFO, "Possible profiles:"); yading@10: for (i = 0; x264_profile_names[i]; i++) yading@10: av_log(avctx, AV_LOG_INFO, " %s", x264_profile_names[i]); yading@10: av_log(avctx, AV_LOG_INFO, "\n"); yading@10: return AVERROR(EINVAL); yading@10: } yading@10: yading@10: x4->params.i_width = avctx->width; yading@10: x4->params.i_height = avctx->height; yading@10: av_reduce(&sw, &sh, avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 4096); yading@10: x4->params.vui.i_sar_width = sw; yading@10: x4->params.vui.i_sar_height = sh; yading@10: x4->params.i_fps_num = x4->params.i_timebase_den = avctx->time_base.den; yading@10: x4->params.i_fps_den = x4->params.i_timebase_num = avctx->time_base.num; yading@10: yading@10: x4->params.analyse.b_psnr = avctx->flags & CODEC_FLAG_PSNR; yading@10: yading@10: x4->params.i_threads = avctx->thread_count; yading@10: if (avctx->thread_type) yading@10: x4->params.b_sliced_threads = avctx->thread_type == FF_THREAD_SLICE; yading@10: yading@10: x4->params.b_interlaced = avctx->flags & CODEC_FLAG_INTERLACED_DCT; yading@10: yading@10: x4->params.b_open_gop = !(avctx->flags & CODEC_FLAG_CLOSED_GOP); yading@10: yading@10: x4->params.i_slice_count = avctx->slices; yading@10: yading@10: x4->params.vui.b_fullrange = avctx->pix_fmt == AV_PIX_FMT_YUVJ420P; yading@10: yading@10: if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) yading@10: x4->params.b_repeat_headers = 0; yading@10: yading@10: if (x4->x264_params) { yading@10: AVDictionary *dict = NULL; yading@10: AVDictionaryEntry *en = NULL; yading@10: yading@10: if (!av_dict_parse_string(&dict, x4->x264_params, "=", ":", 0)) { yading@10: while ((en = av_dict_get(dict, "", en, AV_DICT_IGNORE_SUFFIX))) { yading@10: if (x264_param_parse(&x4->params, en->key, en->value) < 0) yading@10: av_log(avctx, AV_LOG_WARNING, yading@10: "Error parsing option '%s = %s'.\n", yading@10: en->key, en->value); yading@10: } yading@10: yading@10: av_dict_free(&dict); yading@10: } yading@10: } yading@10: yading@10: // update AVCodecContext with x264 parameters yading@10: avctx->has_b_frames = x4->params.i_bframe ? yading@10: x4->params.i_bframe_pyramid ? 2 : 1 : 0; yading@10: if (avctx->max_b_frames < 0) yading@10: avctx->max_b_frames = 0; yading@10: yading@10: avctx->bit_rate = x4->params.rc.i_bitrate*1000; yading@10: yading@10: x4->enc = x264_encoder_open(&x4->params); yading@10: if (!x4->enc) yading@10: return -1; yading@10: yading@10: avctx->coded_frame = &x4->out_pic; yading@10: yading@10: if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) { yading@10: x264_nal_t *nal; yading@10: uint8_t *p; yading@10: int nnal, s, i; yading@10: yading@10: s = x264_encoder_headers(x4->enc, &nal, &nnal); yading@10: avctx->extradata = p = av_malloc(s); yading@10: yading@10: for (i = 0; i < nnal; i++) { yading@10: /* Don't put the SEI in extradata. */ yading@10: if (nal[i].i_type == NAL_SEI) { yading@10: av_log(avctx, AV_LOG_INFO, "%s\n", nal[i].p_payload+25); yading@10: x4->sei_size = nal[i].i_payload; yading@10: x4->sei = av_malloc(x4->sei_size); yading@10: memcpy(x4->sei, nal[i].p_payload, nal[i].i_payload); yading@10: continue; yading@10: } yading@10: memcpy(p, nal[i].p_payload, nal[i].i_payload); yading@10: p += nal[i].i_payload; yading@10: } yading@10: avctx->extradata_size = p - avctx->extradata; yading@10: } yading@10: yading@10: return 0; yading@10: } yading@10: yading@10: static const enum AVPixelFormat pix_fmts_8bit[] = { yading@10: AV_PIX_FMT_YUV420P, yading@10: AV_PIX_FMT_YUVJ420P, yading@10: AV_PIX_FMT_YUV422P, yading@10: AV_PIX_FMT_YUV444P, yading@10: AV_PIX_FMT_NONE yading@10: }; yading@10: static const enum AVPixelFormat pix_fmts_9bit[] = { yading@10: AV_PIX_FMT_YUV420P9, yading@10: AV_PIX_FMT_YUV444P9, yading@10: AV_PIX_FMT_NONE yading@10: }; yading@10: static const enum AVPixelFormat pix_fmts_10bit[] = { yading@10: AV_PIX_FMT_YUV420P10, yading@10: AV_PIX_FMT_YUV422P10, yading@10: AV_PIX_FMT_YUV444P10, yading@10: AV_PIX_FMT_NONE yading@10: }; yading@10: static const enum AVPixelFormat pix_fmts_8bit_rgb[] = { yading@10: #ifdef X264_CSP_BGR yading@10: AV_PIX_FMT_BGR24, yading@10: AV_PIX_FMT_RGB24, yading@10: #endif yading@10: AV_PIX_FMT_NONE yading@10: }; yading@10: yading@10: static av_cold void X264_init_static(AVCodec *codec) yading@10: { yading@10: if (x264_bit_depth == 8) yading@10: codec->pix_fmts = pix_fmts_8bit; yading@10: else if (x264_bit_depth == 9) yading@10: codec->pix_fmts = pix_fmts_9bit; yading@10: else if (x264_bit_depth == 10) yading@10: codec->pix_fmts = pix_fmts_10bit; yading@10: } yading@10: yading@10: #define OFFSET(x) offsetof(X264Context, x) yading@10: #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM yading@10: static const AVOption options[] = { yading@10: { "preset", "Set the encoding preset (cf. x264 --fullhelp)", OFFSET(preset), AV_OPT_TYPE_STRING, { .str = "medium" }, 0, 0, VE}, yading@10: { "tune", "Tune the encoding params (cf. x264 --fullhelp)", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE}, yading@10: { "profile", "Set profile restrictions (cf. x264 --fullhelp) ", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE}, yading@10: { "fastfirstpass", "Use fast settings when encoding first pass", OFFSET(fastfirstpass), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, VE}, yading@10: {"level", "Specify level (as defined by Annex A)", OFFSET(level), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE}, yading@10: {"passlogfile", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE}, yading@10: {"wpredp", "Weighted prediction for P-frames", OFFSET(wpredp), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE}, yading@10: {"x264opts", "x264 options", OFFSET(x264opts), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE}, yading@10: { "crf", "Select the quality for constant quality mode", OFFSET(crf), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE }, yading@10: { "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 }, yading@10: { "qp", "Constant quantization parameter rate control method",OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE }, yading@10: { "aq-mode", "AQ method", OFFSET(aq_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "aq_mode"}, yading@10: { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_NONE}, INT_MIN, INT_MAX, VE, "aq_mode" }, yading@10: { "variance", "Variance AQ (complexity mask)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_VARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" }, yading@10: { "autovariance", "Auto-variance AQ (experimental)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" }, yading@10: { "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}, yading@10: { "psy", "Use psychovisual optimizations.", OFFSET(psy), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, yading@10: { "psy-rd", "Strength of psychovisual optimization, in : format.", OFFSET(psy_rd), AV_OPT_TYPE_STRING, {0 }, 0, 0, VE}, yading@10: { "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 }, yading@10: { "weightb", "Weighted prediction for B-frames.", OFFSET(weightb), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, yading@10: { "weightp", "Weighted prediction analysis method.", OFFSET(weightp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "weightp" }, yading@10: { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_NONE}, INT_MIN, INT_MAX, VE, "weightp" }, yading@10: { "simple", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SIMPLE}, INT_MIN, INT_MAX, VE, "weightp" }, yading@10: { "smart", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SMART}, INT_MIN, INT_MAX, VE, "weightp" }, yading@10: { "ssim", "Calculate and print SSIM stats.", OFFSET(ssim), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, yading@10: { "intra-refresh", "Use Periodic Intra Refresh instead of IDR frames.",OFFSET(intra_refresh),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, yading@10: { "b-bias", "Influences how often B-frames are used", OFFSET(b_bias), AV_OPT_TYPE_INT, { .i64 = INT_MIN}, INT_MIN, INT_MAX, VE }, yading@10: { "b-pyramid", "Keep some B-frames as references.", OFFSET(b_pyramid), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "b_pyramid" }, yading@10: { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NONE}, INT_MIN, INT_MAX, VE, "b_pyramid" }, yading@10: { "strict", "Strictly hierarchical pyramid", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_STRICT}, INT_MIN, INT_MAX, VE, "b_pyramid" }, yading@10: { "normal", "Non-strict (not Blu-ray compatible)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NORMAL}, INT_MIN, INT_MAX, VE, "b_pyramid" }, yading@10: { "mixed-refs", "One reference per partition, as opposed to one reference per macroblock", OFFSET(mixed_refs), AV_OPT_TYPE_INT, { .i64 = -1}, -1, 1, VE }, yading@10: { "8x8dct", "High profile 8x8 transform.", OFFSET(dct8x8), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE}, yading@10: { "fast-pskip", NULL, OFFSET(fast_pskip), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE}, yading@10: { "aud", "Use access unit delimiters.", OFFSET(aud), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE}, yading@10: { "mbtree", "Use macroblock tree ratecontrol.", OFFSET(mbtree), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE}, yading@10: { "deblock", "Loop filter parameters, in form.", OFFSET(deblock), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE}, yading@10: { "cplxblur", "Reduce fluctuations in QP (before curve compression)", OFFSET(cplxblur), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE}, yading@10: { "partitions", "A comma-separated list of partitions to consider. " yading@10: "Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all", OFFSET(partitions), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE}, yading@10: { "direct-pred", "Direct MV prediction mode", OFFSET(direct_pred), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "direct-pred" }, yading@10: { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_NONE }, 0, 0, VE, "direct-pred" }, yading@10: { "spatial", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_SPATIAL }, 0, 0, VE, "direct-pred" }, yading@10: { "temporal", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_TEMPORAL }, 0, 0, VE, "direct-pred" }, yading@10: { "auto", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_AUTO }, 0, 0, VE, "direct-pred" }, yading@10: { "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 }, yading@10: { "stats", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE }, yading@10: { "nal-hrd", "Signal HRD information (requires vbv-bufsize; " yading@10: "cbr not allowed in .mp4)", OFFSET(nal_hrd), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "nal-hrd" }, yading@10: { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_NONE}, INT_MIN, INT_MAX, VE, "nal-hrd" }, yading@10: { "vbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_VBR}, INT_MIN, INT_MAX, VE, "nal-hrd" }, yading@10: { "cbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_CBR}, INT_MIN, INT_MAX, VE, "nal-hrd" }, yading@10: { "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 }, yading@10: { NULL }, yading@10: }; yading@10: yading@10: static const AVClass class = { yading@10: .class_name = "libx264", yading@10: .item_name = av_default_item_name, yading@10: .option = options, yading@10: .version = LIBAVUTIL_VERSION_INT, yading@10: }; yading@10: yading@10: static const AVClass rgbclass = { yading@10: .class_name = "libx264rgb", yading@10: .item_name = av_default_item_name, yading@10: .option = options, yading@10: .version = LIBAVUTIL_VERSION_INT, yading@10: }; yading@10: yading@10: static const AVCodecDefault x264_defaults[] = { yading@10: { "b", "0" }, yading@10: { "bf", "-1" }, yading@10: { "flags2", "0" }, yading@10: { "g", "-1" }, yading@10: { "i_qfactor", "-1" }, yading@10: { "qmin", "-1" }, yading@10: { "qmax", "-1" }, yading@10: { "qdiff", "-1" }, yading@10: { "qblur", "-1" }, yading@10: { "qcomp", "-1" }, yading@10: // { "rc_lookahead", "-1" }, yading@10: { "refs", "-1" }, yading@10: { "sc_threshold", "-1" }, yading@10: { "trellis", "-1" }, yading@10: { "nr", "-1" }, yading@10: { "me_range", "-1" }, yading@10: { "me_method", "-1" }, yading@10: { "subq", "-1" }, yading@10: { "b_strategy", "-1" }, yading@10: { "keyint_min", "-1" }, yading@10: { "coder", "-1" }, yading@10: { "cmp", "-1" }, yading@10: { "threads", AV_STRINGIFY(X264_THREADS_AUTO) }, yading@10: { "thread_type", "0" }, yading@10: { "flags", "+cgop" }, yading@10: { "rc_init_occupancy","-1" }, yading@10: { NULL }, yading@10: }; yading@10: yading@10: AVCodec ff_libx264_encoder = { yading@10: .name = "libx264", yading@10: .type = AVMEDIA_TYPE_VIDEO, yading@10: .id = AV_CODEC_ID_H264, yading@10: .priv_data_size = sizeof(X264Context), yading@10: .init = X264_init, yading@10: .encode2 = X264_frame, yading@10: .close = X264_close, yading@10: .capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS, yading@10: .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"), yading@10: .priv_class = &class, yading@10: .defaults = x264_defaults, yading@10: .init_static_data = X264_init_static, yading@10: }; yading@10: yading@10: AVCodec ff_libx264rgb_encoder = { yading@10: .name = "libx264rgb", yading@10: .type = AVMEDIA_TYPE_VIDEO, yading@10: .id = AV_CODEC_ID_H264, yading@10: .priv_data_size = sizeof(X264Context), yading@10: .init = X264_init, yading@10: .encode2 = X264_frame, yading@10: .close = X264_close, yading@10: .capabilities = CODEC_CAP_DELAY, yading@10: .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB"), yading@10: .priv_class = &rgbclass, yading@10: .defaults = x264_defaults, yading@10: .pix_fmts = pix_fmts_8bit_rgb, yading@10: };