making act segmenter

1 files changed, 751 insertions, 0 deletions

diff --git a/ffmpeg/libavcodec/libx264.c b/ffmpeg/libavcodec/libx264.c
new file mode 100644
index 0000000..7e8fa65
--- /dev/null
+++ b/ffmpeg/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,
+};