diff options
Diffstat (limited to 'ffmpeg1/libavcodec/libx264.c')
| -rw-r--r-- | ffmpeg1/libavcodec/libx264.c | 751 |
1 files changed, 751 insertions, 0 deletions
diff --git a/ffmpeg1/libavcodec/libx264.c b/ffmpeg1/libavcodec/libx264.c new file mode 100644 index 0000000..7e8fa65 --- /dev/null +++ b/ffmpeg1/libavcodec/libx264.c @@ -0,0 +1,751 @@ +/* + * H.264 encoding using the x264 library + * Copyright (C) 2005 Mans Rullgard <mans@mansr.com> + * + * 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/internal.h" +#include "libavutil/opt.h" +#include "libavutil/mem.h" +#include "libavutil/pixdesc.h" +#include "avcodec.h" +#include "internal.h" +#include <x264.h> +#include <float.h> +#include <math.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +typedef struct X264Context { + AVClass *class; + x264_param_t params; + x264_t *enc; + x264_picture_t pic; + uint8_t *sei; + int sei_size; + AVFrame out_pic; + 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 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; + char *x264_params; +} 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, + 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) + 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_BGR24: + case AV_PIX_FMT_RGB24: + return 1; + + default: + return 3; + } +} + +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; + + x264_picture_init( &x4->pic ); + x4->pic.img.i_csp = x4->params.i_csp; + if (x264_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->pic.i_type = + frame->pict_type == AV_PICTURE_TYPE_I ? X264_TYPE_KEYFRAME : + frame->pict_type == AV_PICTURE_TYPE_P ? X264_TYPE_P : + frame->pict_type == AV_PICTURE_TYPE_B ? X264_TYPE_B : + X264_TYPE_AUTO; + 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.den || + x4->params.vui.i_sar_width != ctx->sample_aspect_ratio.num) { + 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); + } + } + + do { + if (x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, &pic_out) < 0) + return -1; + + ret = encode_nals(ctx, pkt, nal, nnal); + if (ret < 0) + return -1; + } while (!ret && !frame && x264_encoder_delayed_frames(x4->enc)); + + pkt->pts = pic_out.i_pts; + pkt->dts = pic_out.i_dts; + + switch (pic_out.i_type) { + case X264_TYPE_IDR: + case X264_TYPE_I: + x4->out_pic.pict_type = AV_PICTURE_TYPE_I; + break; + case X264_TYPE_P: + x4->out_pic.pict_type = AV_PICTURE_TYPE_P; + break; + case X264_TYPE_B: + case X264_TYPE_BREF: + x4->out_pic.pict_type = AV_PICTURE_TYPE_B; + break; + } + + pkt->flags |= AV_PKT_FLAG_KEY*pic_out.b_keyframe; + if (ret) + x4->out_pic.quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA; + + *got_packet = ret; + return 0; +} + +static av_cold int X264_close(AVCodecContext *avctx) +{ + X264Context *x4 = avctx->priv_data; + + av_freep(&avctx->extradata); + av_free(x4->sei); + + if (x4->enc) + x264_encoder_close(x4->enc); + + return 0; +} + +#define OPT_STR(opt, param) \ + do { \ + int ret; \ + if (param && (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_YUV422P10: return X264_CSP_I422; + case AV_PIX_FMT_YUV444P: + case AV_PIX_FMT_YUV444P9: + case AV_PIX_FMT_YUV444P10: return X264_CSP_I444; +#ifdef X264_CSP_BGR + case AV_PIX_FMT_BGR24: + return X264_CSP_BGR; + + case AV_PIX_FMT_RGB24: + return X264_CSP_RGB; +#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; + int sw,sh; + + x264_param_default(&x4->params); + + x4->params.b_deblocking_filter = avctx->flags & CODEC_FLAG_LOOP_FILTER; + + x4->params.rc.f_pb_factor = avctx->b_quant_factor; + x4->params.analyse.i_chroma_qp_offset = avctx->chromaoffset; + 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); + + OPT_STR("weightp", x4->wpredp); + + if (avctx->bit_rate) { + 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 & 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 = 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; + } + + OPT_STR("level", x4->level); + + if(x4->x264opts){ + const char *p= x4->x264opts; + while(p){ + char param[256]={0}, val[256]={0}; + if(sscanf(p, "%255[^:=]=%255[^:]", param, val) == 1){ + OPT_STR(param, "1"); + }else + OPT_STR(param, val); + p= strchr(p, ':'); + p+=!!p; + } + } + + if (avctx->i_quant_factor > 0) + x4->params.rc.f_ip_factor = 1 / fabs(avctx->i_quant_factor); + + if (avctx->me_method == ME_EPZS) + x4->params.analyse.i_me_method = X264_ME_DIA; + else if (avctx->me_method == ME_HEX) + x4->params.analyse.i_me_method = X264_ME_HEX; + else if (avctx->me_method == ME_UMH) + x4->params.analyse.i_me_method = X264_ME_UMH; + else if (avctx->me_method == ME_FULL) + x4->params.analyse.i_me_method = X264_ME_ESA; + else if (avctx->me_method == ME_TESA) + x4->params.analyse.i_me_method = X264_ME_TESA; + + 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 (avctx->scenechange_threshold >= 0) + x4->params.i_scenecut_threshold = avctx->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; + 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 (avctx->noise_reduction >= 0) + x4->params.analyse.i_noise_reduction = avctx->noise_reduction; + if (avctx->me_subpel_quality >= 0) + x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality; + if (avctx->b_frame_strategy >= 0) + x4->params.i_bframe_adaptive = avctx->b_frame_strategy; + if (avctx->keyint_min >= 0) + x4->params.i_keyint_min = avctx->keyint_min; + if (avctx->coder_type >= 0) + x4->params.b_cabac = avctx->coder_type == FF_CODER_TYPE_AC; + 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->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; + else { + /* + * Allow x264 to be instructed through AVCodecContext about the maximum + * size of the RTP payload. For example, this enables the production of + * payload suitable for the H.264 RTP packetization-mode 0 i.e. single + * NAL unit per RTP packet. + */ + if (avctx->rtp_payload_size) + x4->params.i_slice_max_size = avctx->rtp_payload_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->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_fps_num = x4->params.i_timebase_den = avctx->time_base.den; + x4->params.i_fps_den = x4->params.i_timebase_num = avctx->time_base.num; + + x4->params.analyse.b_psnr = avctx->flags & 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 & CODEC_FLAG_INTERLACED_DCT; + + x4->params.b_open_gop = !(avctx->flags & CODEC_FLAG_CLOSED_GOP); + + x4->params.i_slice_count = avctx->slices; + + x4->params.vui.b_fullrange = avctx->pix_fmt == AV_PIX_FMT_YUVJ420P; + + if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) + x4->params.b_repeat_headers = 0; + + 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*1000; + + x4->enc = x264_encoder_open(&x4->params); + if (!x4->enc) + return -1; + + avctx->coded_frame = &x4->out_pic; + + if (avctx->flags & 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_malloc(s); + + 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); + 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; + } + + return 0; +} + +static const enum AVPixelFormat pix_fmts_8bit[] = { + AV_PIX_FMT_YUV420P, + AV_PIX_FMT_YUVJ420P, + AV_PIX_FMT_YUV422P, + AV_PIX_FMT_YUV444P, + 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_NONE +}; +static const enum AVPixelFormat pix_fmts_8bit_rgb[] = { +#ifdef X264_CSP_BGR + AV_PIX_FMT_BGR24, + AV_PIX_FMT_RGB24, +#endif + AV_PIX_FMT_NONE +}; + +static av_cold void X264_init_static(AVCodec *codec) +{ + 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; +} + +#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_INT, { .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}, + {"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 (experimental)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" }, + { "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_INT, { .i64 = -1 }, -1, 1, VE }, + { "psy-rd", "Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> 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_INT, { .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_INT, { .i64 = -1 }, -1, 1, VE }, + { "intra-refresh", "Use Periodic Intra Refresh instead of IDR frames.",OFFSET(intra_refresh),AV_OPT_TYPE_INT, { .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_INT, { .i64 = -1}, -1, 1, VE }, + { "8x8dct", "High profile 8x8 transform.", OFFSET(dct8x8), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE}, + { "fast-pskip", NULL, OFFSET(fast_pskip), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE}, + { "aud", "Use access unit delimiters.", OFFSET(aud), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE}, + { "mbtree", "Use macroblock tree ratecontrol.", OFFSET(mbtree), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE}, + { "deblock", "Loop filter parameters, in <alpha:beta> 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" }, + { "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 AVClass class = { + .class_name = "libx264", + .item_name = av_default_item_name, + .option = options, + .version = LIBAVUTIL_VERSION_INT, +}; + +static const AVClass rgbclass = { + .class_name = "libx264rgb", + .item_name = av_default_item_name, + .option = options, + .version = LIBAVUTIL_VERSION_INT, +}; + +static const AVCodecDefault x264_defaults[] = { + { "b", "0" }, + { "bf", "-1" }, + { "flags2", "0" }, + { "g", "-1" }, + { "i_qfactor", "-1" }, + { "qmin", "-1" }, + { "qmax", "-1" }, + { "qdiff", "-1" }, + { "qblur", "-1" }, + { "qcomp", "-1" }, +// { "rc_lookahead", "-1" }, + { "refs", "-1" }, + { "sc_threshold", "-1" }, + { "trellis", "-1" }, + { "nr", "-1" }, + { "me_range", "-1" }, + { "me_method", "-1" }, + { "subq", "-1" }, + { "b_strategy", "-1" }, + { "keyint_min", "-1" }, + { "coder", "-1" }, + { "cmp", "-1" }, + { "threads", AV_STRINGIFY(X264_THREADS_AUTO) }, + { "thread_type", "0" }, + { "flags", "+cgop" }, + { "rc_init_occupancy","-1" }, + { NULL }, +}; + +AVCodec ff_libx264_encoder = { + .name = "libx264", + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_H264, + .priv_data_size = sizeof(X264Context), + .init = X264_init, + .encode2 = X264_frame, + .close = X264_close, + .capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS, + .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"), + .priv_class = &class, + .defaults = x264_defaults, + .init_static_data = X264_init_static, +}; + +AVCodec ff_libx264rgb_encoder = { + .name = "libx264rgb", + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_H264, + .priv_data_size = sizeof(X264Context), + .init = X264_init, + .encode2 = X264_frame, + .close = X264_close, + .capabilities = CODEC_CAP_DELAY, + .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB"), + .priv_class = &rgbclass, + .defaults = x264_defaults, + .pix_fmts = pix_fmts_8bit_rgb, +}; |