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FFmpeg/libavcodec/libx264.c

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  1. /*

  2.  * H.264 encoding using the x264 library

  3.  * Copyright (C) 2005  Mans Rullgard <mans@mansr.com>

  4.  *

  5.  * This file is part of FFmpeg.

  6.  *

  7.  * FFmpeg is free software; you can redistribute it and/or

  8.  * modify it under the terms of the GNU Lesser General Public

  9.  * License as published by the Free Software Foundation; either

  10.  * version 2.1 of the License, or (at your option) any later version.

  11.  *

  12.  * FFmpeg is distributed in the hope that it will be useful,

  13.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  14.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  15.  * Lesser General Public License for more details.

  16.  *

  17.  * You should have received a copy of the GNU Lesser General Public

  18.  * License along with FFmpeg; if not, write to the Free Software

  19.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  20.  */

  21. 

  22. #include "libavutil/eval.h"

  23. #include "libavutil/internal.h"

  24. #include "libavutil/opt.h"

  25. #include "libavutil/mem.h"

  26. #include "libavutil/pixdesc.h"

  27. #include "libavutil/stereo3d.h"

  28. #include "avcodec.h"

  29. #include "internal.h"

  30. 

  31. #if defined(_MSC_VER)

  32. #define X264_API_IMPORTS 1

  33. #endif

  34. 

  35. #include <x264.h>

  36. #include <float.h>

  37. #include <math.h>

  38. #include <stdio.h>

  39. #include <stdlib.h>

  40. #include <string.h>

  41. 

  42. typedef struct X264Context {

  43.     AVClass        *class;

  44.     x264_param_t    params;

  45.     x264_t         *enc;

  46.     x264_picture_t  pic;

  47.     uint8_t        *sei;

  48.     int             sei_size;

  49.     char *preset;

  50.     char *tune;

  51.     char *profile;

  52.     char *level;

  53.     int fastfirstpass;

  54.     char *wpredp;

  55.     char *x264opts;

  56.     float crf;

  57.     float crf_max;

  58.     int cqp;

  59.     int aq_mode;

  60.     float aq_strength;

  61.     char *psy_rd;

  62.     int psy;

  63.     int rc_lookahead;

  64.     int weightp;

  65.     int weightb;

  66.     int ssim;

  67.     int intra_refresh;

  68.     int bluray_compat;

  69.     int b_bias;

  70.     int b_pyramid;

  71.     int mixed_refs;

  72.     int dct8x8;

  73.     int fast_pskip;

  74.     int aud;

  75.     int mbtree;

  76.     char *deblock;

  77.     float cplxblur;

  78.     char *partitions;

  79.     int direct_pred;

  80.     int slice_max_size;

  81.     char *stats;

  82.     int nal_hrd;

  83.     char *x264_params;

  84. } X264Context;

  85. 

  86. static void X264_log(void *p, int level, const char *fmt, va_list args)

  87. {

  88.     static const int level_map[] = {

  89.         [X264_LOG_ERROR]   = AV_LOG_ERROR,

  90.         [X264_LOG_WARNING] = AV_LOG_WARNING,

  91.         [X264_LOG_INFO]    = AV_LOG_INFO,

  92.         [X264_LOG_DEBUG]   = AV_LOG_DEBUG

  93.     };

  94. 

  95.     if (level < 0 || level > X264_LOG_DEBUG)

  96.         return;

  97. 

  98.     av_vlog(p, level_map[level], fmt, args);

  99. }

  100. 

  101. 

  102. static int encode_nals(AVCodecContext *ctx, AVPacket *pkt,

  103.                        x264_nal_t *nals, int nnal)

  104. {

  105.     X264Context *x4 = ctx->priv_data;

  106.     uint8_t *p;

  107.     int i, size = x4->sei_size, ret;

  108. 

  109.     if (!nnal)

  110.         return 0;

  111. 

  112.     for (i = 0; i < nnal; i++)

  113.         size += nals[i].i_payload;

  114. 

  115.     if ((ret = ff_alloc_packet2(ctx, pkt, size)) < 0)

  116.         return ret;

  117. 

  118.     p = pkt->data;

  119. 

  120.     /* Write the SEI as part of the first frame. */

  121.     if (x4->sei_size > 0 && nnal > 0) {

  122.         if (x4->sei_size > size) {

  123.             av_log(ctx, AV_LOG_ERROR, "Error: nal buffer is too small\n");

  124.             return -1;

  125.         }

  126.         memcpy(p, x4->sei, x4->sei_size);

  127.         p += x4->sei_size;

  128.         x4->sei_size = 0;

  129.         av_freep(&x4->sei);

  130.     }

  131. 

  132.     for (i = 0; i < nnal; i++){

  133.         memcpy(p, nals[i].p_payload, nals[i].i_payload);

  134.         p += nals[i].i_payload;

  135.     }

  136. 

  137.     return 1;

  138. }

  139. 

  140. static int avfmt2_num_planes(int avfmt)

  141. {

  142.     switch (avfmt) {

  143.     case AV_PIX_FMT_YUV420P:

  144.     case AV_PIX_FMT_YUVJ420P:

  145.     case AV_PIX_FMT_YUV420P9:

  146.     case AV_PIX_FMT_YUV420P10:

  147.     case AV_PIX_FMT_YUV444P:

  148.         return 3;

  149. 

  150.     case AV_PIX_FMT_BGR24:

  151.     case AV_PIX_FMT_RGB24:

  152.         return 1;

  153. 

  154.     default:

  155.         return 3;

  156.     }

  157. }

  158. 

  159. static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame,

  160.                       int *got_packet)

  161. {

  162.     X264Context *x4 = ctx->priv_data;

  163.     x264_nal_t *nal;

  164.     int nnal, i, ret;

  165.     x264_picture_t pic_out = {0};

  166.     AVFrameSideData *side_data;

  167. 

  168.     x264_picture_init( &x4->pic );

  169.     x4->pic.img.i_csp   = x4->params.i_csp;

  170. #if X264_BUILD >= 153

  171.     if (x4->params.i_bitdepth > 8)

  172. #else

  173.     if (x264_bit_depth > 8)

  174. #endif

  175.         x4->pic.img.i_csp |= X264_CSP_HIGH_DEPTH;

  176.     x4->pic.img.i_plane = avfmt2_num_planes(ctx->pix_fmt);

  177. 

  178.     if (frame) {

  179.         for (i = 0; i < x4->pic.img.i_plane; i++) {

  180.             x4->pic.img.plane[i]    = frame->data[i];

  181.             x4->pic.img.i_stride[i] = frame->linesize[i];

  182.         }

  183. 

  184.         x4->pic.i_pts  = frame->pts;

  185.         x4->pic.i_type =

  186.             frame->pict_type == AV_PICTURE_TYPE_I ? X264_TYPE_KEYFRAME :

  187.             frame->pict_type == AV_PICTURE_TYPE_P ? X264_TYPE_P :

  188.             frame->pict_type == AV_PICTURE_TYPE_B ? X264_TYPE_B :

  189.                                             X264_TYPE_AUTO;

  190.         if (x4->params.b_interlaced && x4->params.b_tff != frame->top_field_first) {

  191.             x4->params.b_tff = frame->top_field_first;

  192.             x264_encoder_reconfig(x4->enc, &x4->params);

  193.         }

  194.         if (x4->params.vui.i_sar_height != ctx->sample_aspect_ratio.den ||

  195.             x4->params.vui.i_sar_width  != ctx->sample_aspect_ratio.num) {

  196.             x4->params.vui.i_sar_height = ctx->sample_aspect_ratio.den;

  197.             x4->params.vui.i_sar_width  = ctx->sample_aspect_ratio.num;

  198.             x264_encoder_reconfig(x4->enc, &x4->params);

  199.         }

  200. 

  201.         if (x4->params.rc.i_vbv_buffer_size != ctx->rc_buffer_size / 1000 ||

  202.             x4->params.rc.i_vbv_max_bitrate != ctx->rc_max_rate    / 1000) {

  203.             x4->params.rc.i_vbv_buffer_size = ctx->rc_buffer_size / 1000;

  204.             x4->params.rc.i_vbv_max_bitrate = ctx->rc_max_rate    / 1000;

  205.             x264_encoder_reconfig(x4->enc, &x4->params);

  206.         }

  207. 

  208.         if (x4->params.rc.i_rc_method == X264_RC_ABR &&

  209.             x4->params.rc.i_bitrate != ctx->bit_rate / 1000) {

  210.             x4->params.rc.i_bitrate = ctx->bit_rate / 1000;

  211.             x264_encoder_reconfig(x4->enc, &x4->params);

  212.         }

  213. 

  214.         if (x4->crf >= 0 &&

  215.             x4->params.rc.i_rc_method == X264_RC_CRF &&

  216.             x4->params.rc.f_rf_constant != x4->crf) {

  217.             x4->params.rc.f_rf_constant = x4->crf;

  218.             x264_encoder_reconfig(x4->enc, &x4->params);

  219.         }

  220. 

  221.         if (x4->params.rc.i_rc_method == X264_RC_CQP &&

  222.             x4->cqp >= 0 &&

  223.             x4->params.rc.i_qp_constant != x4->cqp) {

  224.             x4->params.rc.i_qp_constant = x4->cqp;

  225.             x264_encoder_reconfig(x4->enc, &x4->params);

  226.         }

  227. 

  228.         if (x4->crf_max >= 0 &&

  229.             x4->params.rc.f_rf_constant_max != x4->crf_max) {

  230.             x4->params.rc.f_rf_constant_max = x4->crf_max;

  231.             x264_encoder_reconfig(x4->enc, &x4->params);

  232.         }

  233. 

  234.         side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_STEREO3D);

  235.         if (side_data) {

  236.             AVStereo3D *stereo = (AVStereo3D *)side_data->data;

  237.             int fpa_type;

  238. 

  239.             switch (stereo->type) {

  240.             case AV_STEREO3D_CHECKERBOARD:

  241.                 fpa_type = 0;

  242.                 break;

  243.             case AV_STEREO3D_COLUMNS:

  244.                 fpa_type = 1;

  245.                 break;

  246.             case AV_STEREO3D_LINES:

  247.                 fpa_type = 2;

  248.                 break;

  249.             case AV_STEREO3D_SIDEBYSIDE:

  250.                 fpa_type = 3;

  251.                 break;

  252.             case AV_STEREO3D_TOPBOTTOM:

  253.                 fpa_type = 4;

  254.                 break;

  255.             case AV_STEREO3D_FRAMESEQUENCE:

  256.                 fpa_type = 5;

  257.                 break;

  258.             default:

  259.                 fpa_type = -1;

  260.                 break;

  261.             }

  262. 

  263.             if (fpa_type != x4->params.i_frame_packing) {

  264.                 x4->params.i_frame_packing = fpa_type;

  265.                 x264_encoder_reconfig(x4->enc, &x4->params);

  266.             }

  267.         }

  268.     }

  269.     do {

  270.         if (x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, &pic_out) < 0)

  271.             return -1;

  272. 

  273.         ret = encode_nals(ctx, pkt, nal, nnal);

  274.         if (ret < 0)

  275.             return -1;

  276.     } while (!ret && !frame && x264_encoder_delayed_frames(x4->enc));

  277. 

  278.     pkt->pts = pic_out.i_pts;

  279.     pkt->dts = pic_out.i_dts;

  280. 

  281.     switch (pic_out.i_type) {

  282.     case X264_TYPE_IDR:

  283.     case X264_TYPE_I:

  284.         ctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;

  285.         break;

  286.     case X264_TYPE_P:

  287.         ctx->coded_frame->pict_type = AV_PICTURE_TYPE_P;

  288.         break;

  289.     case X264_TYPE_B:

  290.     case X264_TYPE_BREF:

  291.         ctx->coded_frame->pict_type = AV_PICTURE_TYPE_B;

  292.         break;

  293.     }

  294. 

  295.     pkt->flags |= AV_PKT_FLAG_KEY*pic_out.b_keyframe;

  296.     if (ret)

  297.         ctx->coded_frame->quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA;

  298. 

  299.     *got_packet = ret;

  300.     return 0;

  301. }

  302. 

  303. static av_cold int X264_close(AVCodecContext *avctx)

  304. {

  305.     X264Context *x4 = avctx->priv_data;

  306. 

  307.     av_freep(&avctx->extradata);

  308.     av_free(x4->sei);

  309. 

  310.     if (x4->enc)

  311.         x264_encoder_close(x4->enc);

  312. 

  313.     av_frame_free(&avctx->coded_frame);

  314. 

  315.     return 0;

  316. }

  317. 

  318. #define OPT_STR(opt, param)                                                   \

  319.     do {                                                                      \

  320.         int ret;                                                              \

  321.         if (param && (ret = x264_param_parse(&x4->params, opt, param)) < 0) { \

  322.             if(ret == X264_PARAM_BAD_NAME)                                    \

  323.                 av_log(avctx, AV_LOG_ERROR,                                   \

  324.                         "bad option '%s': '%s'\n", opt, param);               \

  325.             else                                                              \

  326.                 av_log(avctx, AV_LOG_ERROR,                                   \

  327.                         "bad value for '%s': '%s'\n", opt, param);            \

  328.             return -1;                                                        \

  329.         }                                                                     \

  330.     } while (0)

  331. 

  332. static int convert_pix_fmt(enum AVPixelFormat pix_fmt)

  333. {

  334.     switch (pix_fmt) {

  335.     case AV_PIX_FMT_YUV420P:

  336.     case AV_PIX_FMT_YUVJ420P:

  337.     case AV_PIX_FMT_YUV420P9:

  338.     case AV_PIX_FMT_YUV420P10: return X264_CSP_I420;

  339.     case AV_PIX_FMT_YUV422P:

  340.     case AV_PIX_FMT_YUVJ422P:

  341.     case AV_PIX_FMT_YUV422P10: return X264_CSP_I422;

  342.     case AV_PIX_FMT_YUV444P:

  343.     case AV_PIX_FMT_YUVJ444P:

  344.     case AV_PIX_FMT_YUV444P9:

  345.     case AV_PIX_FMT_YUV444P10: return X264_CSP_I444;

  346. #ifdef X264_CSP_BGR

  347.     case AV_PIX_FMT_BGR24:

  348.         return X264_CSP_BGR;

  349. 

  350.     case AV_PIX_FMT_RGB24:

  351.         return X264_CSP_RGB;

  352. #endif

  353.     case AV_PIX_FMT_NV12:      return X264_CSP_NV12;

  354.     case AV_PIX_FMT_NV16:

  355.     case AV_PIX_FMT_NV20:      return X264_CSP_NV16;

  356.     };

  357.     return 0;

  358. }

  359. 

  360. #define PARSE_X264_OPT(name, var)\

  361.     if (x4->var && x264_param_parse(&x4->params, name, x4->var) < 0) {\

  362.         av_log(avctx, AV_LOG_ERROR, "Error parsing option '%s' with value '%s'.\n", name, x4->var);\

  363.         return AVERROR(EINVAL);\

  364.     }

  365. 

  366. static av_cold int X264_init(AVCodecContext *avctx)

  367. {

  368.     X264Context *x4 = avctx->priv_data;

  369.     int sw,sh;

  370. 

  371.     if (avctx->global_quality > 0)

  372.         av_log(avctx, AV_LOG_WARNING, "-qscale is ignored, -crf is recommended.\n");

  373. 

  374.     x264_param_default(&x4->params);

  375. 

  376.     x4->params.b_deblocking_filter         = avctx->flags & CODEC_FLAG_LOOP_FILTER;

  377. 

  378.     if (x4->preset || x4->tune)

  379.         if (x264_param_default_preset(&x4->params, x4->preset, x4->tune) < 0) {

  380.             int i;

  381.             av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", x4->preset, x4->tune);

  382.             av_log(avctx, AV_LOG_INFO, "Possible presets:");

  383.             for (i = 0; x264_preset_names[i]; i++)

  384.                 av_log(avctx, AV_LOG_INFO, " %s", x264_preset_names[i]);

  385.             av_log(avctx, AV_LOG_INFO, "\n");

  386.             av_log(avctx, AV_LOG_INFO, "Possible tunes:");

  387.             for (i = 0; x264_tune_names[i]; i++)

  388.                 av_log(avctx, AV_LOG_INFO, " %s", x264_tune_names[i]);

  389.             av_log(avctx, AV_LOG_INFO, "\n");

  390.             return AVERROR(EINVAL);

  391.         }

  392. 

  393.     if (avctx->level > 0)

  394.         x4->params.i_level_idc = avctx->level;

  395. 

  396.     x4->params.pf_log               = X264_log;

  397.     x4->params.p_log_private        = avctx;

  398.     x4->params.i_log_level          = X264_LOG_DEBUG;

  399.     x4->params.i_csp                = convert_pix_fmt(avctx->pix_fmt);

  400. #if X264_BUILD >= 153

  401.     x4->params.i_bitdepth           = av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth;

  402. #endif

  403. 

  404.     OPT_STR("weightp", x4->wpredp);

  405. 

  406.     if (avctx->bit_rate) {

  407.         x4->params.rc.i_bitrate   = avctx->bit_rate / 1000;

  408.         x4->params.rc.i_rc_method = X264_RC_ABR;

  409.     }

  410.     x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000;

  411.     x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate    / 1000;

  412.     x4->params.rc.b_stat_write      = avctx->flags & CODEC_FLAG_PASS1;

  413.     if (avctx->flags & CODEC_FLAG_PASS2) {

  414.         x4->params.rc.b_stat_read = 1;

  415.     } else {

  416.         if (x4->crf >= 0) {

  417.             x4->params.rc.i_rc_method   = X264_RC_CRF;

  418.             x4->params.rc.f_rf_constant = x4->crf;

  419.         } else if (x4->cqp >= 0) {

  420.             x4->params.rc.i_rc_method   = X264_RC_CQP;

  421.             x4->params.rc.i_qp_constant = x4->cqp;

  422.         }

  423. 

  424.         if (x4->crf_max >= 0)

  425.             x4->params.rc.f_rf_constant_max = x4->crf_max;

  426.     }

  427. 

  428.     if (avctx->rc_buffer_size && avctx->rc_initial_buffer_occupancy > 0 &&

  429.         (avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)) {

  430.         x4->params.rc.f_vbv_buffer_init =

  431.             (float)avctx->rc_initial_buffer_occupancy / avctx->rc_buffer_size;

  432.     }

  433. 

  434.     OPT_STR("level", x4->level);

  435. 

  436.     if (avctx->i_quant_factor > 0)

  437.         x4->params.rc.f_ip_factor         = 1 / fabs(avctx->i_quant_factor);

  438.     if (avctx->b_quant_factor > 0)

  439.         x4->params.rc.f_pb_factor         = avctx->b_quant_factor;

  440.     if (avctx->chromaoffset)

  441.         x4->params.analyse.i_chroma_qp_offset = avctx->chromaoffset;

  442. 

  443.     if (avctx->me_method == ME_EPZS)

  444.         x4->params.analyse.i_me_method = X264_ME_DIA;

  445.     else if (avctx->me_method == ME_HEX)

  446.         x4->params.analyse.i_me_method = X264_ME_HEX;

  447.     else if (avctx->me_method == ME_UMH)

  448.         x4->params.analyse.i_me_method = X264_ME_UMH;

  449.     else if (avctx->me_method == ME_FULL)

  450.         x4->params.analyse.i_me_method = X264_ME_ESA;

  451.     else if (avctx->me_method == ME_TESA)

  452.         x4->params.analyse.i_me_method = X264_ME_TESA;

  453. 

  454.     if (avctx->gop_size >= 0)

  455.         x4->params.i_keyint_max         = avctx->gop_size;

  456.     if (avctx->max_b_frames >= 0)

  457.         x4->params.i_bframe             = avctx->max_b_frames;

  458.     if (avctx->scenechange_threshold >= 0)

  459.         x4->params.i_scenecut_threshold = avctx->scenechange_threshold;

  460.     if (avctx->qmin >= 0)

  461.         x4->params.rc.i_qp_min          = avctx->qmin;

  462.     if (avctx->qmax >= 0)

  463.         x4->params.rc.i_qp_max          = avctx->qmax;

  464.     if (avctx->max_qdiff >= 0)

  465.         x4->params.rc.i_qp_step         = avctx->max_qdiff;

  466.     if (avctx->qblur >= 0)

  467.         x4->params.rc.f_qblur           = avctx->qblur;     /* temporally blur quants */

  468.     if (avctx->qcompress >= 0)

  469.         x4->params.rc.f_qcompress       = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */

  470.     if (avctx->refs >= 0)

  471.         x4->params.i_frame_reference    = avctx->refs;

  472.     else if (x4->level) {

  473.         int i;

  474.         int mbn = FF_CEIL_RSHIFT(avctx->width, 4) * FF_CEIL_RSHIFT(avctx->height, 4);

  475.         int level_id = -1;

  476.         char *tail;

  477.         int scale = X264_BUILD < 129 ? 384 : 1;

  478. 

  479.         if (!strcmp(x4->level, "1b")) {

  480.             level_id = 9;

  481.         } else if (strlen(x4->level) <= 3){

  482.             level_id = av_strtod(x4->level, &tail) * 10 + 0.5;

  483.             if (*tail)

  484.                 level_id = -1;

  485.         }

  486.         if (level_id <= 0)

  487.             av_log(avctx, AV_LOG_WARNING, "Failed to parse level\n");

  488. 

  489.         for (i = 0; i<x264_levels[i].level_idc; i++)

  490.             if (x264_levels[i].level_idc == level_id)

  491.                 x4->params.i_frame_reference = av_clip(x264_levels[i].dpb / mbn / scale, 1, x4->params.i_frame_reference);

  492.     }

  493. 

  494.     if (avctx->trellis >= 0)

  495.         x4->params.analyse.i_trellis    = avctx->trellis;

  496.     if (avctx->me_range >= 0)

  497.         x4->params.analyse.i_me_range   = avctx->me_range;

  498.     if (avctx->noise_reduction >= 0)

  499.         x4->params.analyse.i_noise_reduction = avctx->noise_reduction;

  500.     if (avctx->me_subpel_quality >= 0)

  501.         x4->params.analyse.i_subpel_refine   = avctx->me_subpel_quality;

  502.     if (avctx->b_frame_strategy >= 0)

  503.         x4->params.i_bframe_adaptive = avctx->b_frame_strategy;

  504.     if (avctx->keyint_min >= 0)

  505.         x4->params.i_keyint_min = avctx->keyint_min;

  506.     if (avctx->coder_type >= 0)

  507.         x4->params.b_cabac = avctx->coder_type == FF_CODER_TYPE_AC;

  508.     if (avctx->me_cmp >= 0)

  509.         x4->params.analyse.b_chroma_me = avctx->me_cmp & FF_CMP_CHROMA;

  510. 

  511.     if (x4->aq_mode >= 0)

  512.         x4->params.rc.i_aq_mode = x4->aq_mode;

  513.     if (x4->aq_strength >= 0)

  514.         x4->params.rc.f_aq_strength = x4->aq_strength;

  515.     PARSE_X264_OPT("psy-rd", psy_rd);

  516.     PARSE_X264_OPT("deblock", deblock);

  517.     PARSE_X264_OPT("partitions", partitions);

  518.     PARSE_X264_OPT("stats", stats);

  519.     if (x4->psy >= 0)

  520.         x4->params.analyse.b_psy  = x4->psy;

  521.     if (x4->rc_lookahead >= 0)

  522.         x4->params.rc.i_lookahead = x4->rc_lookahead;

  523.     if (x4->weightp >= 0)

  524.         x4->params.analyse.i_weighted_pred = x4->weightp;

  525.     if (x4->weightb >= 0)

  526.         x4->params.analyse.b_weighted_bipred = x4->weightb;

  527.     if (x4->cplxblur >= 0)

  528.         x4->params.rc.f_complexity_blur = x4->cplxblur;

  529. 

  530.     if (x4->ssim >= 0)

  531.         x4->params.analyse.b_ssim = x4->ssim;

  532.     if (x4->intra_refresh >= 0)

  533.         x4->params.b_intra_refresh = x4->intra_refresh;

  534.     if (x4->bluray_compat >= 0) {

  535.         x4->params.b_bluray_compat = x4->bluray_compat;

  536.         x4->params.b_vfr_input = 0;

  537.     }

  538.     if (x4->b_bias != INT_MIN)

  539.         x4->params.i_bframe_bias              = x4->b_bias;

  540.     if (x4->b_pyramid >= 0)

  541.         x4->params.i_bframe_pyramid = x4->b_pyramid;

  542.     if (x4->mixed_refs >= 0)

  543.         x4->params.analyse.b_mixed_references = x4->mixed_refs;

  544.     if (x4->dct8x8 >= 0)

  545.         x4->params.analyse.b_transform_8x8    = x4->dct8x8;

  546.     if (x4->fast_pskip >= 0)

  547.         x4->params.analyse.b_fast_pskip       = x4->fast_pskip;

  548.     if (x4->aud >= 0)

  549.         x4->params.b_aud                      = x4->aud;

  550.     if (x4->mbtree >= 0)

  551.         x4->params.rc.b_mb_tree               = x4->mbtree;

  552.     if (x4->direct_pred >= 0)

  553.         x4->params.analyse.i_direct_mv_pred   = x4->direct_pred;

  554. 

  555.     if (x4->slice_max_size >= 0)

  556.         x4->params.i_slice_max_size =  x4->slice_max_size;

  557.     else {

  558.         /*

  559.          * Allow x264 to be instructed through AVCodecContext about the maximum

  560.          * size of the RTP payload. For example, this enables the production of

  561.          * payload suitable for the H.264 RTP packetization-mode 0 i.e. single

  562.          * NAL unit per RTP packet.

  563.          */

  564.         if (avctx->rtp_payload_size)

  565.             x4->params.i_slice_max_size = avctx->rtp_payload_size;

  566.     }

  567. 

  568.     if (x4->fastfirstpass)

  569.         x264_param_apply_fastfirstpass(&x4->params);

  570. 

  571.     /* Allow specifying the x264 profile through AVCodecContext. */

  572.     if (!x4->profile)

  573.         switch (avctx->profile) {

  574.         case FF_PROFILE_H264_BASELINE:

  575.             x4->profile = av_strdup("baseline");

  576.             break;

  577.         case FF_PROFILE_H264_HIGH:

  578.             x4->profile = av_strdup("high");

  579.             break;

  580.         case FF_PROFILE_H264_HIGH_10:

  581.             x4->profile = av_strdup("high10");

  582.             break;

  583.         case FF_PROFILE_H264_HIGH_422:

  584.             x4->profile = av_strdup("high422");

  585.             break;

  586.         case FF_PROFILE_H264_HIGH_444:

  587.             x4->profile = av_strdup("high444");

  588.             break;

  589.         case FF_PROFILE_H264_MAIN:

  590.             x4->profile = av_strdup("main");

  591.             break;

  592.         default:

  593.             break;

  594.         }

  595. 

  596.     if (x4->nal_hrd >= 0)

  597.         x4->params.i_nal_hrd = x4->nal_hrd;

  598. 

  599.     if (x4->profile)

  600.         if (x264_param_apply_profile(&x4->params, x4->profile) < 0) {

  601.             int i;

  602.             av_log(avctx, AV_LOG_ERROR, "Error setting profile %s.\n", x4->profile);

  603.             av_log(avctx, AV_LOG_INFO, "Possible profiles:");

  604.             for (i = 0; x264_profile_names[i]; i++)

  605.                 av_log(avctx, AV_LOG_INFO, " %s", x264_profile_names[i]);

  606.             av_log(avctx, AV_LOG_INFO, "\n");

  607.             return AVERROR(EINVAL);

  608.         }

  609. 

  610.     x4->params.i_width          = avctx->width;

  611.     x4->params.i_height         = avctx->height;

  612.     av_reduce(&sw, &sh, avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 4096);

  613.     x4->params.vui.i_sar_width  = sw;

  614.     x4->params.vui.i_sar_height = sh;

  615.     x4->params.i_timebase_den = avctx->time_base.den;

  616.     x4->params.i_timebase_num = avctx->time_base.num;

  617.     x4->params.i_fps_num = avctx->time_base.den;

  618.     x4->params.i_fps_den = avctx->time_base.num * avctx->ticks_per_frame;

  619. 

  620.     x4->params.analyse.b_psnr = avctx->flags & CODEC_FLAG_PSNR;

  621. 

  622.     x4->params.i_threads      = avctx->thread_count;

  623.     if (avctx->thread_type)

  624.         x4->params.b_sliced_threads = avctx->thread_type == FF_THREAD_SLICE;

  625. 

  626.     x4->params.b_interlaced   = avctx->flags & CODEC_FLAG_INTERLACED_DCT;

  627. 

  628.     x4->params.b_open_gop     = !(avctx->flags & CODEC_FLAG_CLOSED_GOP);

  629. 

  630.     x4->params.i_slice_count  = avctx->slices;

  631. 

  632.     x4->params.vui.b_fullrange = avctx->pix_fmt == AV_PIX_FMT_YUVJ420P ||

  633.                                  avctx->pix_fmt == AV_PIX_FMT_YUVJ422P ||

  634.                                  avctx->pix_fmt == AV_PIX_FMT_YUVJ444P ||

  635.                                  avctx->color_range == AVCOL_RANGE_JPEG;

  636. 

  637.     if (avctx->colorspace != AVCOL_SPC_UNSPECIFIED)

  638.         x4->params.vui.i_colmatrix = avctx->colorspace;

  639.     if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED)

  640.         x4->params.vui.i_colorprim = avctx->color_primaries;

  641.     if (avctx->color_trc != AVCOL_TRC_UNSPECIFIED)

  642.         x4->params.vui.i_transfer  = avctx->color_trc;

  643. 

  644.     if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER)

  645.         x4->params.b_repeat_headers = 0;

  646. 

  647.     if(x4->x264opts){

  648.         const char *p= x4->x264opts;

  649.         while(p){

  650.             char param[4096]={0}, val[4096]={0};

  651.             if(sscanf(p, "%4095[^:=]=%4095[^:]", param, val) == 1){

  652.                 OPT_STR(param, "1");

  653.             }else

  654.                 OPT_STR(param, val);

  655.             p= strchr(p, ':');

  656.             p+=!!p;

  657.         }

  658.     }

  659. 

  660.     if (x4->x264_params) {

  661.         AVDictionary *dict    = NULL;

  662.         AVDictionaryEntry *en = NULL;

  663. 

  664.         if (!av_dict_parse_string(&dict, x4->x264_params, "=", ":", 0)) {

  665.             while ((en = av_dict_get(dict, "", en, AV_DICT_IGNORE_SUFFIX))) {

  666.                 if (x264_param_parse(&x4->params, en->key, en->value) < 0)

  667.                     av_log(avctx, AV_LOG_WARNING,

  668.                            "Error parsing option '%s = %s'.\n",

  669.                             en->key, en->value);

  670.             }

  671. 

  672.             av_dict_free(&dict);

  673.         }

  674.     }

  675. 

  676.     // update AVCodecContext with x264 parameters

  677.     avctx->has_b_frames = x4->params.i_bframe ?

  678.         x4->params.i_bframe_pyramid ? 2 : 1 : 0;

  679.     if (avctx->max_b_frames < 0)

  680.         avctx->max_b_frames = 0;

  681. 

  682.     avctx->bit_rate = x4->params.rc.i_bitrate*1000;

  683. 

  684.     x4->enc = x264_encoder_open(&x4->params);

  685.     if (!x4->enc)

  686.         return -1;

  687. 

  688.     avctx->coded_frame = av_frame_alloc();

  689.     if (!avctx->coded_frame)

  690.         return AVERROR(ENOMEM);

  691. 

  692.     if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) {

  693.         x264_nal_t *nal;

  694.         uint8_t *p;

  695.         int nnal, s, i;

  696. 

  697.         s = x264_encoder_headers(x4->enc, &nal, &nnal);

  698.         avctx->extradata = p = av_malloc(s);

  699. 

  700.         for (i = 0; i < nnal; i++) {

  701.             /* Don't put the SEI in extradata. */

  702.             if (nal[i].i_type == NAL_SEI) {

  703.                 av_log(avctx, AV_LOG_INFO, "%s\n", nal[i].p_payload+25);

  704.                 x4->sei_size = nal[i].i_payload;

  705.                 x4->sei      = av_malloc(x4->sei_size);

  706.                 memcpy(x4->sei, nal[i].p_payload, nal[i].i_payload);

  707.                 continue;

  708.             }

  709.             memcpy(p, nal[i].p_payload, nal[i].i_payload);

  710.             p += nal[i].i_payload;

  711.         }

  712.         avctx->extradata_size = p - avctx->extradata;

  713.     }

  714. 

  715.     return 0;

  716. }

  717. 

  718. static const enum AVPixelFormat pix_fmts_8bit[] = {

  719.     AV_PIX_FMT_YUV420P,

  720.     AV_PIX_FMT_YUVJ420P,

  721.     AV_PIX_FMT_YUV422P,

  722.     AV_PIX_FMT_YUVJ422P,

  723.     AV_PIX_FMT_YUV444P,

  724.     AV_PIX_FMT_YUVJ444P,

  725.     AV_PIX_FMT_NV12,

  726.     AV_PIX_FMT_NV16,

  727.     AV_PIX_FMT_NONE

  728. };

  729. static const enum AVPixelFormat pix_fmts_9bit[] = {

  730.     AV_PIX_FMT_YUV420P9,

  731.     AV_PIX_FMT_YUV444P9,

  732.     AV_PIX_FMT_NONE

  733. };

  734. static const enum AVPixelFormat pix_fmts_10bit[] = {

  735.     AV_PIX_FMT_YUV420P10,

  736.     AV_PIX_FMT_YUV422P10,

  737.     AV_PIX_FMT_YUV444P10,

  738.     AV_PIX_FMT_NV20,

  739.     AV_PIX_FMT_NONE

  740. };

  741. static const enum AVPixelFormat pix_fmts_all[] = {

  742.     AV_PIX_FMT_YUV420P,

  743.     AV_PIX_FMT_YUVJ420P,

  744.     AV_PIX_FMT_YUV422P,

  745.     AV_PIX_FMT_YUVJ422P,

  746.     AV_PIX_FMT_YUV444P,

  747.     AV_PIX_FMT_YUVJ444P,

  748.     AV_PIX_FMT_NV12,

  749.     AV_PIX_FMT_NV16,

  750.     AV_PIX_FMT_YUV420P10,

  751.     AV_PIX_FMT_YUV422P10,

  752.     AV_PIX_FMT_YUV444P10,

  753.     AV_PIX_FMT_NV20,

  754.     AV_PIX_FMT_NONE

  755. };

  756. static const enum AVPixelFormat pix_fmts_8bit_rgb[] = {

  757. #ifdef X264_CSP_BGR

  758.     AV_PIX_FMT_BGR24,

  759.     AV_PIX_FMT_RGB24,

  760. #endif

  761.     AV_PIX_FMT_NONE

  762. };

  763. 

  764. static av_cold void X264_init_static(AVCodec *codec)

  765. {

  766. #if X264_BUILD < 153

  767.     if (x264_bit_depth == 8)

  768.         codec->pix_fmts = pix_fmts_8bit;

  769.     else if (x264_bit_depth == 9)

  770.         codec->pix_fmts = pix_fmts_9bit;

  771.     else if (x264_bit_depth == 10)

  772.         codec->pix_fmts = pix_fmts_10bit;

  773. #else

  774.     codec->pix_fmts = pix_fmts_all;

  775. #endif

  776. }

  777. 

  778. #define OFFSET(x) offsetof(X264Context, x)

  779. #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

  780. static const AVOption options[] = {

  781.     { "preset",        "Set the encoding preset (cf. x264 --fullhelp)",   OFFSET(preset),        AV_OPT_TYPE_STRING, { .str = "medium" }, 0, 0, VE},

  782.     { "tune",          "Tune the encoding params (cf. x264 --fullhelp)",  OFFSET(tune),          AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},

  783.     { "profile",       "Set profile restrictions (cf. x264 --fullhelp) ", OFFSET(profile),       AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},

  784.     { "fastfirstpass", "Use fast settings when encoding first pass",      OFFSET(fastfirstpass), AV_OPT_TYPE_INT,    { .i64 = 1 }, 0, 1, VE},

  785.     {"level", "Specify level (as defined by Annex A)", OFFSET(level), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},

  786.     {"passlogfile", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},

  787.     {"wpredp", "Weighted prediction for P-frames", OFFSET(wpredp), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},

  788.     {"x264opts", "x264 options", OFFSET(x264opts), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},

  789.     { "crf",           "Select the quality for constant quality mode",    OFFSET(crf),           AV_OPT_TYPE_FLOAT,  {.dbl = -1 }, -1, FLT_MAX, VE },

  790.     { "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 },

  791.     { "qp",            "Constant quantization parameter rate control method",OFFSET(cqp),        AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, INT_MAX, VE },

  792.     { "aq-mode",       "AQ method",                                       OFFSET(aq_mode),       AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, INT_MAX, VE, "aq_mode"},

  793.     { "none",          NULL,                              0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_NONE},         INT_MIN, INT_MAX, VE, "aq_mode" },

  794.     { "variance",      "Variance AQ (complexity mask)",   0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_VARIANCE},     INT_MIN, INT_MAX, VE, "aq_mode" },

  795.     { "autovariance",  "Auto-variance AQ (experimental)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },

  796.     { "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},

  797.     { "psy",           "Use psychovisual optimizations.",                 OFFSET(psy),           AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, 1, VE },

  798.     { "psy-rd",        "Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> format.", OFFSET(psy_rd), AV_OPT_TYPE_STRING,  {0 }, 0, 0, VE},

  799.     { "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 },

  800.     { "weightb",       "Weighted prediction for B-frames.",               OFFSET(weightb),       AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, 1, VE },

  801.     { "weightp",       "Weighted prediction analysis method.",            OFFSET(weightp),       AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, INT_MAX, VE, "weightp" },

  802.     { "none",          NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_NONE},   INT_MIN, INT_MAX, VE, "weightp" },

  803.     { "simple",        NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SIMPLE}, INT_MIN, INT_MAX, VE, "weightp" },

  804.     { "smart",         NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SMART},  INT_MIN, INT_MAX, VE, "weightp" },

  805.     { "ssim",          "Calculate and print SSIM stats.",                 OFFSET(ssim),          AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, 1, VE },

  806.     { "intra-refresh", "Use Periodic Intra Refresh instead of IDR frames.",OFFSET(intra_refresh),AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, 1, VE },

  807.     { "bluray-compat", "Bluray compatibility workarounds.",               OFFSET(bluray_compat) ,AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, 1, VE },

  808.     { "b-bias",        "Influences how often B-frames are used",          OFFSET(b_bias),        AV_OPT_TYPE_INT,    { .i64 = INT_MIN}, INT_MIN, INT_MAX, VE },

  809.     { "b-pyramid",     "Keep some B-frames as references.",               OFFSET(b_pyramid),     AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, INT_MAX, VE, "b_pyramid" },

  810.     { "none",          NULL,                                  0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NONE},   INT_MIN, INT_MAX, VE, "b_pyramid" },

  811.     { "strict",        "Strictly hierarchical pyramid",       0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_STRICT}, INT_MIN, INT_MAX, VE, "b_pyramid" },

  812.     { "normal",        "Non-strict (not Blu-ray compatible)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NORMAL}, INT_MIN, INT_MAX, VE, "b_pyramid" },

  813.     { "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 },

  814.     { "8x8dct",        "High profile 8x8 transform.",                     OFFSET(dct8x8),        AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, 1, VE},

  815.     { "fast-pskip",    NULL,                                              OFFSET(fast_pskip),    AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, 1, VE},

  816.     { "aud",           "Use access unit delimiters.",                     OFFSET(aud),           AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, 1, VE},

  817.     { "mbtree",        "Use macroblock tree ratecontrol.",                OFFSET(mbtree),        AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, 1, VE},

  818.     { "deblock",       "Loop filter parameters, in <alpha:beta> form.",   OFFSET(deblock),       AV_OPT_TYPE_STRING, { 0 },  0, 0, VE},

  819.     { "cplxblur",      "Reduce fluctuations in QP (before curve compression)", OFFSET(cplxblur), AV_OPT_TYPE_FLOAT,  {.dbl = -1 }, -1, FLT_MAX, VE},

  820.     { "partitions",    "A comma-separated list of partitions to consider. "

  821.                        "Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all", OFFSET(partitions), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},

  822.     { "direct-pred",   "Direct MV prediction mode",                       OFFSET(direct_pred),   AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, INT_MAX, VE, "direct-pred" },

  823.     { "none",          NULL,      0,    AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_NONE },     0, 0, VE, "direct-pred" },

  824.     { "spatial",       NULL,      0,    AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_SPATIAL },  0, 0, VE, "direct-pred" },

  825.     { "temporal",      NULL,      0,    AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_TEMPORAL }, 0, 0, VE, "direct-pred" },

  826.     { "auto",          NULL,      0,    AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_AUTO },     0, 0, VE, "direct-pred" },

  827.     { "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 },

  828.     { "stats",         "Filename for 2 pass stats",                       OFFSET(stats),         AV_OPT_TYPE_STRING, { 0 },  0,       0, VE },

  829.     { "nal-hrd",       "Signal HRD information (requires vbv-bufsize; "

  830.                        "cbr not allowed in .mp4)",                        OFFSET(nal_hrd),       AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, INT_MAX, VE, "nal-hrd" },

  831.     { "none",          NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_NONE}, INT_MIN, INT_MAX, VE, "nal-hrd" },

  832.     { "vbr",           NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_VBR},  INT_MIN, INT_MAX, VE, "nal-hrd" },

  833.     { "cbr",           NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_CBR},  INT_MIN, INT_MAX, VE, "nal-hrd" },

  834.     { "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 },

  835.     { NULL },

  836. };

  837. 

  838. static const AVClass x264_class = {

  839.     .class_name = "libx264",

  840.     .item_name  = av_default_item_name,

  841.     .option     = options,

  842.     .version    = LIBAVUTIL_VERSION_INT,

  843. };

  844. 

  845. static const AVClass rgbclass = {

  846.     .class_name = "libx264rgb",

  847.     .item_name  = av_default_item_name,

  848.     .option     = options,

  849.     .version    = LIBAVUTIL_VERSION_INT,

  850. };

  851. 

  852. static const AVCodecDefault x264_defaults[] = {

  853.     { "b",                "0" },

  854.     { "bf",               "-1" },

  855.     { "flags2",           "0" },

  856.     { "g",                "-1" },

  857.     { "i_qfactor",        "-1" },

  858.     { "b_qfactor",        "-1" },

  859.     { "qmin",             "-1" },

  860.     { "qmax",             "-1" },

  861.     { "qdiff",            "-1" },

  862.     { "qblur",            "-1" },

  863.     { "qcomp",            "-1" },

  864. //     { "rc_lookahead",     "-1" },

  865.     { "refs",             "-1" },

  866.     { "sc_threshold",     "-1" },

  867.     { "trellis",          "-1" },

  868.     { "nr",               "-1" },

  869.     { "me_range",         "-1" },

  870.     { "me_method",        "-1" },

  871.     { "subq",             "-1" },

  872.     { "b_strategy",       "-1" },

  873.     { "keyint_min",       "-1" },

  874.     { "coder",            "-1" },

  875.     { "cmp",              "-1" },

  876.     { "threads",          AV_STRINGIFY(X264_THREADS_AUTO) },

  877.     { "thread_type",      "0" },

  878.     { "flags",            "+cgop" },

  879.     { "rc_init_occupancy","-1" },

  880.     { NULL },

  881. };

  882. 

  883. AVCodec ff_libx264_encoder = {

  884.     .name             = "libx264",

  885.     .long_name        = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),

  886.     .type             = AVMEDIA_TYPE_VIDEO,

  887.     .id               = AV_CODEC_ID_H264,

  888.     .priv_data_size   = sizeof(X264Context),

  889.     .init             = X264_init,

  890.     .encode2          = X264_frame,

  891.     .close            = X264_close,

  892.     .capabilities     = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,

  893.     .priv_class       = &x264_class,

  894.     .defaults         = x264_defaults,

  895.     .init_static_data = X264_init_static,

  896. };

  897. 

  898. AVCodec ff_libx264rgb_encoder = {

  899.     .name           = "libx264rgb",

  900.     .long_name      = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB"),

  901.     .type           = AVMEDIA_TYPE_VIDEO,

  902.     .id             = AV_CODEC_ID_H264,

  903.     .priv_data_size = sizeof(X264Context),

  904.     .init           = X264_init,

  905.     .encode2        = X264_frame,

  906.     .close          = X264_close,

  907.     .capabilities   = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,

  908.     .priv_class     = &rgbclass,

  909.     .defaults       = x264_defaults,

  910.     .pix_fmts       = pix_fmts_8bit_rgb,

  911. };