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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 "libavutil/time.h"

  29. #include "libavutil/intreadwrite.h"

  30. #include "avcodec.h"

  31. #include "internal.h"

  32. #include "packet_internal.h"

  33. 

  34. #if defined(_MSC_VER)

  35. #define X264_API_IMPORTS 1

  36. #endif

  37. 

  38. #include <x264.h>

  39. #include <float.h>

  40. #include <math.h>

  41. #include <stdio.h>

  42. #include <stdlib.h>

  43. #include <string.h>

  44. 

  45. // from x264.h, for quant_offsets, Macroblocks are 16x16

  46. // blocks of pixels (with respect to the luma plane)

  47. #define MB_SIZE 16

  48. 

  49. typedef struct X264Opaque {

  50.     int64_t reordered_opaque;

  51.     int64_t wallclock;

  52. } X264Opaque;

  53. 

  54. typedef struct X264Context {

  55.     AVClass        *class;

  56.     x264_param_t    params;

  57.     x264_t         *enc;

  58.     x264_picture_t  pic;

  59.     uint8_t        *sei;

  60.     int             sei_size;

  61.     char *preset;

  62.     char *tune;

  63.     char *profile;

  64.     char *level;

  65.     int fastfirstpass;

  66.     char *wpredp;

  67.     char *x264opts;

  68.     float crf;

  69.     float crf_max;

  70.     int cqp;

  71.     int aq_mode;

  72.     float aq_strength;

  73.     char *psy_rd;

  74.     int psy;

  75.     int rc_lookahead;

  76.     int weightp;

  77.     int weightb;

  78.     int ssim;

  79.     int intra_refresh;

  80.     int bluray_compat;

  81.     int b_bias;

  82.     int b_pyramid;

  83.     int mixed_refs;

  84.     int dct8x8;

  85.     int fast_pskip;

  86.     int aud;

  87.     int mbtree;

  88.     char *deblock;

  89.     float cplxblur;

  90.     char *partitions;

  91.     int direct_pred;

  92.     int slice_max_size;

  93.     char *stats;

  94.     int nal_hrd;

  95.     int avcintra_class;

  96.     int motion_est;

  97.     int forced_idr;

  98.     int coder;

  99.     int a53_cc;

  100.     int b_frame_strategy;

  101.     int chroma_offset;

  102.     int scenechange_threshold;

  103.     int noise_reduction;

  104. 

  105.     AVDictionary *x264_params;

  106. 

  107.     int nb_reordered_opaque, next_reordered_opaque;

  108.     X264Opaque *reordered_opaque;

  109. 

  110.     /**

  111.      * If the encoder does not support ROI then warn the first time we

  112.      * encounter a frame with ROI side data.

  113.      */

  114.     int roi_warned;

  115. } X264Context;

  116. 

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

  118. {

  119.     static const int level_map[] = {

  120.         [X264_LOG_ERROR]   = AV_LOG_ERROR,

  121.         [X264_LOG_WARNING] = AV_LOG_WARNING,

  122.         [X264_LOG_INFO]    = AV_LOG_INFO,

  123.         [X264_LOG_DEBUG]   = AV_LOG_DEBUG

  124.     };

  125. 

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

  127.         return;

  128. 

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

  130. }

  131. 

  132. 

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

  134.                        const x264_nal_t *nals, int nnal)

  135. {

  136.     X264Context *x4 = ctx->priv_data;

  137.     uint8_t *p;

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

  139. 

  140.     if (!nnal)

  141.         return 0;

  142. 

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

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

  145. 

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

  147.         return ret;

  148. 

  149.     p = pkt->data;

  150. 

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

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

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

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

  155.             return -1;

  156.         }

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

  158.         p += x4->sei_size;

  159.         x4->sei_size = 0;

  160.         av_freep(&x4->sei);

  161.     }

  162. 

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

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

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

  166.     }

  167. 

  168.     return 1;

  169. }

  170. 

  171. static int avfmt2_num_planes(int avfmt)

  172. {

  173.     switch (avfmt) {

  174.     case AV_PIX_FMT_YUV420P:

  175.     case AV_PIX_FMT_YUVJ420P:

  176.     case AV_PIX_FMT_YUV420P9:

  177.     case AV_PIX_FMT_YUV420P10:

  178.     case AV_PIX_FMT_YUV444P:

  179.         return 3;

  180. 

  181.     case AV_PIX_FMT_BGR0:

  182.     case AV_PIX_FMT_BGR24:

  183.     case AV_PIX_FMT_RGB24:

  184.     case AV_PIX_FMT_GRAY8:

  185.     case AV_PIX_FMT_GRAY10:

  186.         return 1;

  187. 

  188.     default:

  189.         return 3;

  190.     }

  191. }

  192. 

  193. static void reconfig_encoder(AVCodecContext *ctx, const AVFrame *frame)

  194. {

  195.     X264Context *x4 = ctx->priv_data;

  196.     AVFrameSideData *side_data;

  197. 

  198. 

  199.     if (x4->avcintra_class < 0) {

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

  201. 

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

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

  204.         }

  205.         if (x4->params.vui.i_sar_height*ctx->sample_aspect_ratio.num != ctx->sample_aspect_ratio.den * x4->params.vui.i_sar_width) {

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

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

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

  209.         }

  210. 

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

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

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

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

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

  216.         }

  217. 

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

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

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

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

  222.         }

  223. 

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

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

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

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

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

  229.         }

  230. 

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

  232.             x4->cqp >= 0 &&

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

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

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

  236.         }

  237. 

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

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

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

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

  242.         }

  243.     }

  244. 

  245.     side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_STEREO3D);

  246.     if (side_data) {

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

  248.         int fpa_type;

  249. 

  250.         switch (stereo->type) {

  251.         case AV_STEREO3D_CHECKERBOARD:

  252.             fpa_type = 0;

  253.             break;

  254.         case AV_STEREO3D_COLUMNS:

  255.             fpa_type = 1;

  256.             break;

  257.         case AV_STEREO3D_LINES:

  258.             fpa_type = 2;

  259.             break;

  260.         case AV_STEREO3D_SIDEBYSIDE:

  261.             fpa_type = 3;

  262.             break;

  263.         case AV_STEREO3D_TOPBOTTOM:

  264.             fpa_type = 4;

  265.             break;

  266.         case AV_STEREO3D_FRAMESEQUENCE:

  267.             fpa_type = 5;

  268.             break;

  269. #if X264_BUILD >= 145

  270.         case AV_STEREO3D_2D:

  271.             fpa_type = 6;

  272.             break;

  273. #endif

  274.         default:

  275.             fpa_type = -1;

  276.             break;

  277.         }

  278. 

  279.         /* Inverted mode is not supported by x264 */

  280.         if (stereo->flags & AV_STEREO3D_FLAG_INVERT) {

  281.             av_log(ctx, AV_LOG_WARNING,

  282.                    "Ignoring unsupported inverted stereo value %d\n", fpa_type);

  283.             fpa_type = -1;

  284.         }

  285. 

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

  287.             x4->params.i_frame_packing = fpa_type;

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

  289.         }

  290.     }

  291. }

  292. 

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

  294.                       int *got_packet)

  295. {

  296.     X264Context *x4 = ctx->priv_data;

  297.     x264_nal_t *nal;

  298.     int nnal, i, ret;

  299.     x264_picture_t pic_out = {0};

  300.     int pict_type;

  301.     int bit_depth;

  302.     int64_t wallclock = 0;

  303.     X264Opaque *out_opaque;

  304.     AVFrameSideData *sd;

  305. 

  306.     x264_picture_init( &x4->pic );

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

  308. #if X264_BUILD >= 153

  309.     bit_depth = x4->params.i_bitdepth;

  310. #else

  311.     bit_depth = x264_bit_depth;

  312. #endif

  313.     if (bit_depth > 8)

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

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

  316. 

  317.     if (frame) {

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

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

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

  321.         }

  322. 

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

  324. 

  325.         x4->reordered_opaque[x4->next_reordered_opaque].reordered_opaque = frame->reordered_opaque;

  326.         x4->reordered_opaque[x4->next_reordered_opaque].wallclock = wallclock;

  327.         if (ctx->export_side_data & AV_CODEC_EXPORT_DATA_PRFT)

  328.             x4->reordered_opaque[x4->next_reordered_opaque].wallclock = av_gettime();

  329.         x4->pic.opaque = &x4->reordered_opaque[x4->next_reordered_opaque];

  330.         x4->next_reordered_opaque++;

  331.         x4->next_reordered_opaque %= x4->nb_reordered_opaque;

  332. 

  333.         switch (frame->pict_type) {

  334.         case AV_PICTURE_TYPE_I:

  335.             x4->pic.i_type = x4->forced_idr > 0 ? X264_TYPE_IDR

  336.                                                 : X264_TYPE_KEYFRAME;

  337.             break;

  338.         case AV_PICTURE_TYPE_P:

  339.             x4->pic.i_type = X264_TYPE_P;

  340.             break;

  341.         case AV_PICTURE_TYPE_B:

  342.             x4->pic.i_type = X264_TYPE_B;

  343.             break;

  344.         default:

  345.             x4->pic.i_type = X264_TYPE_AUTO;

  346.             break;

  347.         }

  348.         reconfig_encoder(ctx, frame);

  349. 

  350.         if (x4->a53_cc) {

  351.             void *sei_data;

  352.             size_t sei_size;

  353. 

  354.             ret = ff_alloc_a53_sei(frame, 0, &sei_data, &sei_size);

  355.             if (ret < 0) {

  356.                 av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");

  357.             } else if (sei_data) {

  358.                 x4->pic.extra_sei.payloads = av_mallocz(sizeof(x4->pic.extra_sei.payloads[0]));

  359.                 if (x4->pic.extra_sei.payloads == NULL) {

  360.                     av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");

  361.                     av_free(sei_data);

  362.                 } else {

  363.                     x4->pic.extra_sei.sei_free = av_free;

  364. 

  365.                     x4->pic.extra_sei.payloads[0].payload_size = sei_size;

  366.                     x4->pic.extra_sei.payloads[0].payload = sei_data;

  367.                     x4->pic.extra_sei.num_payloads = 1;

  368.                     x4->pic.extra_sei.payloads[0].payload_type = 4;

  369.                 }

  370.             }

  371.         }

  372. 

  373.         sd = av_frame_get_side_data(frame, AV_FRAME_DATA_REGIONS_OF_INTEREST);

  374.         if (sd) {

  375.             if (x4->params.rc.i_aq_mode == X264_AQ_NONE) {

  376.                 if (!x4->roi_warned) {

  377.                     x4->roi_warned = 1;

  378.                     av_log(ctx, AV_LOG_WARNING, "Adaptive quantization must be enabled to use ROI encoding, skipping ROI.\n");

  379.                 }

  380.             } else {

  381.                 if (frame->interlaced_frame == 0) {

  382.                     int mbx = (frame->width + MB_SIZE - 1) / MB_SIZE;

  383.                     int mby = (frame->height + MB_SIZE - 1) / MB_SIZE;

  384.                     int qp_range = 51 + 6 * (bit_depth - 8);

  385.                     int nb_rois;

  386.                     const AVRegionOfInterest *roi;

  387.                     uint32_t roi_size;

  388.                     float *qoffsets;

  389. 

  390.                     roi = (const AVRegionOfInterest*)sd->data;

  391.                     roi_size = roi->self_size;

  392.                     if (!roi_size || sd->size % roi_size != 0) {

  393.                         av_log(ctx, AV_LOG_ERROR, "Invalid AVRegionOfInterest.self_size.\n");

  394.                         return AVERROR(EINVAL);

  395.                     }

  396.                     nb_rois = sd->size / roi_size;

  397. 

  398.                     qoffsets = av_mallocz_array(mbx * mby, sizeof(*qoffsets));

  399.                     if (!qoffsets)

  400.                         return AVERROR(ENOMEM);

  401. 

  402.                     // This list must be iterated in reverse because the first

  403.                     // region in the list applies when regions overlap.

  404.                     for (int i = nb_rois - 1; i >= 0; i--) {

  405.                         int startx, endx, starty, endy;

  406.                         float qoffset;

  407. 

  408.                         roi = (const AVRegionOfInterest*)(sd->data + roi_size * i);

  409. 

  410.                         starty = FFMIN(mby, roi->top / MB_SIZE);

  411.                         endy   = FFMIN(mby, (roi->bottom + MB_SIZE - 1)/ MB_SIZE);

  412.                         startx = FFMIN(mbx, roi->left / MB_SIZE);

  413.                         endx   = FFMIN(mbx, (roi->right + MB_SIZE - 1)/ MB_SIZE);

  414. 

  415.                         if (roi->qoffset.den == 0) {

  416.                             av_free(qoffsets);

  417.                             av_log(ctx, AV_LOG_ERROR, "AVRegionOfInterest.qoffset.den must not be zero.\n");

  418.                             return AVERROR(EINVAL);

  419.                         }

  420.                         qoffset = roi->qoffset.num * 1.0f / roi->qoffset.den;

  421.                         qoffset = av_clipf(qoffset * qp_range, -qp_range, +qp_range);

  422. 

  423.                         for (int y = starty; y < endy; y++) {

  424.                             for (int x = startx; x < endx; x++) {

  425.                                 qoffsets[x + y*mbx] = qoffset;

  426.                             }

  427.                         }

  428.                     }

  429. 

  430.                     x4->pic.prop.quant_offsets = qoffsets;

  431.                     x4->pic.prop.quant_offsets_free = av_free;

  432.                 } else {

  433.                     if (!x4->roi_warned) {

  434.                         x4->roi_warned = 1;

  435.                         av_log(ctx, AV_LOG_WARNING, "interlaced_frame not supported for ROI encoding yet, skipping ROI.\n");

  436.                     }

  437.                 }

  438.             }

  439.         }

  440.     }

  441. 

  442.     do {

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

  444.             return AVERROR_EXTERNAL;

  445. 

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

  447.         if (ret < 0)

  448.             return ret;

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

  450. 

  451.     if (!ret)

  452.         return 0;

  453. 

  454.     pkt->pts = pic_out.i_pts;

  455.     pkt->dts = pic_out.i_dts;

  456. 

  457.     out_opaque = pic_out.opaque;

  458.     if (out_opaque >= x4->reordered_opaque &&

  459.         out_opaque < &x4->reordered_opaque[x4->nb_reordered_opaque]) {

  460.         ctx->reordered_opaque = out_opaque->reordered_opaque;

  461.         wallclock = out_opaque->wallclock;

  462.     } else {

  463.         // Unexpected opaque pointer on picture output

  464.         ctx->reordered_opaque = 0;

  465.     }

  466. 

  467.     switch (pic_out.i_type) {

  468.     case X264_TYPE_IDR:

  469.     case X264_TYPE_I:

  470.         pict_type = AV_PICTURE_TYPE_I;

  471.         break;

  472.     case X264_TYPE_P:

  473.         pict_type = AV_PICTURE_TYPE_P;

  474.         break;

  475.     case X264_TYPE_B:

  476.     case X264_TYPE_BREF:

  477.         pict_type = AV_PICTURE_TYPE_B;

  478.         break;

  479.     default:

  480.         av_log(ctx, AV_LOG_ERROR, "Unknown picture type encountered.\n");

  481.         return AVERROR_EXTERNAL;

  482.     }

  483. #if FF_API_CODED_FRAME

  484. FF_DISABLE_DEPRECATION_WARNINGS

  485.     ctx->coded_frame->pict_type = pict_type;

  486. FF_ENABLE_DEPRECATION_WARNINGS

  487. #endif

  488. 

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

  490.     if (ret) {

  491.         ff_side_data_set_encoder_stats(pkt, (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA, NULL, 0, pict_type);

  492.         if (wallclock)

  493.             ff_side_data_set_prft(pkt, wallclock);

  494. 

  495. #if FF_API_CODED_FRAME

  496. FF_DISABLE_DEPRECATION_WARNINGS

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

  498. FF_ENABLE_DEPRECATION_WARNINGS

  499. #endif

  500.     }

  501. 

  502.     *got_packet = ret;

  503.     return 0;

  504. }

  505. 

  506. static av_cold int X264_close(AVCodecContext *avctx)

  507. {

  508.     X264Context *x4 = avctx->priv_data;

  509. 

  510.     av_freep(&avctx->extradata);

  511.     av_freep(&x4->sei);

  512.     av_freep(&x4->reordered_opaque);

  513. 

  514.     if (x4->enc) {

  515.         x264_encoder_close(x4->enc);

  516.         x4->enc = NULL;

  517.     }

  518. 

  519.     return 0;

  520. }

  521. 

  522. static int parse_opts(AVCodecContext *avctx, const char *opt, const char *param)

  523. {

  524.     X264Context *x4 = avctx->priv_data;

  525.     int ret;

  526. 

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

  528.         if (ret == X264_PARAM_BAD_NAME) {

  529.             av_log(avctx, AV_LOG_ERROR,

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

  531.             ret = AVERROR(EINVAL);

  532. #if X264_BUILD >= 161

  533.         } else if (ret == X264_PARAM_ALLOC_FAILED) {

  534.             av_log(avctx, AV_LOG_ERROR,

  535.                    "out of memory parsing option '%s': '%s'\n", opt, param);

  536.             ret = AVERROR(ENOMEM);

  537. #endif

  538.         } else {

  539.             av_log(avctx, AV_LOG_ERROR,

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

  541.             ret = AVERROR(EINVAL);

  542.         }

  543.     }

  544. 

  545.     return ret;

  546. }

  547. 

  548. static int convert_pix_fmt(enum AVPixelFormat pix_fmt)

  549. {

  550.     switch (pix_fmt) {

  551.     case AV_PIX_FMT_YUV420P:

  552.     case AV_PIX_FMT_YUVJ420P:

  553.     case AV_PIX_FMT_YUV420P9:

  554.     case AV_PIX_FMT_YUV420P10: return X264_CSP_I420;

  555.     case AV_PIX_FMT_YUV422P:

  556.     case AV_PIX_FMT_YUVJ422P:

  557.     case AV_PIX_FMT_YUV422P10: return X264_CSP_I422;

  558.     case AV_PIX_FMT_YUV444P:

  559.     case AV_PIX_FMT_YUVJ444P:

  560.     case AV_PIX_FMT_YUV444P9:

  561.     case AV_PIX_FMT_YUV444P10: return X264_CSP_I444;

  562. #if CONFIG_LIBX264RGB_ENCODER

  563.     case AV_PIX_FMT_BGR0:

  564.         return X264_CSP_BGRA;

  565.     case AV_PIX_FMT_BGR24:

  566.         return X264_CSP_BGR;

  567. 

  568.     case AV_PIX_FMT_RGB24:

  569.         return X264_CSP_RGB;

  570. #endif

  571.     case AV_PIX_FMT_NV12:      return X264_CSP_NV12;

  572.     case AV_PIX_FMT_NV16:

  573.     case AV_PIX_FMT_NV20:      return X264_CSP_NV16;

  574. #ifdef X264_CSP_NV21

  575.     case AV_PIX_FMT_NV21:      return X264_CSP_NV21;

  576. #endif

  577. #ifdef X264_CSP_I400

  578.     case AV_PIX_FMT_GRAY8:

  579.     case AV_PIX_FMT_GRAY10:    return X264_CSP_I400;

  580. #endif

  581.     };

  582.     return 0;

  583. }

  584. 

  585. #define PARSE_X264_OPT(name, var)\

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

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

  588.         return AVERROR(EINVAL);\

  589.     }

  590. 

  591. static av_cold int X264_init(AVCodecContext *avctx)

  592. {

  593.     X264Context *x4 = avctx->priv_data;

  594.     AVCPBProperties *cpb_props;

  595.     int sw,sh;

  596.     int ret;

  597. 

  598.     if (avctx->global_quality > 0)

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

  600. 

  601. #if CONFIG_LIBX262_ENCODER

  602.     if (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO) {

  603.         x4->params.b_mpeg2 = 1;

  604.         x264_param_default_mpeg2(&x4->params);

  605.     } else

  606. #endif

  607.     x264_param_default(&x4->params);

  608. 

  609.     x4->params.b_deblocking_filter         = avctx->flags & AV_CODEC_FLAG_LOOP_FILTER;

  610. 

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

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

  613.             int i;

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

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

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

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

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

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

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

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

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

  623.             return AVERROR(EINVAL);

  624.         }

  625. 

  626.     if (avctx->level > 0)

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

  628. 

  629.     x4->params.pf_log               = X264_log;

  630.     x4->params.p_log_private        = avctx;

  631.     x4->params.i_log_level          = X264_LOG_DEBUG;

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

  633. #if X264_BUILD >= 153

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

  635. #endif

  636. 

  637.     PARSE_X264_OPT("weightp", wpredp);

  638. 

  639.     if (avctx->bit_rate) {

  640.         if (avctx->bit_rate / 1000 > INT_MAX || avctx->rc_max_rate / 1000 > INT_MAX) {

  641.             av_log(avctx, AV_LOG_ERROR, "bit_rate and rc_max_rate > %d000 not supported by libx264\n", INT_MAX);

  642.             return AVERROR(EINVAL);

  643.         }

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

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

  646.     }

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

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

  649.     x4->params.rc.b_stat_write      = avctx->flags & AV_CODEC_FLAG_PASS1;

  650.     if (avctx->flags & AV_CODEC_FLAG_PASS2) {

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

  652.     } else {

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

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

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

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

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

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

  659.         }

  660. 

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

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

  663.     }

  664. 

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

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

  667.         x4->params.rc.f_vbv_buffer_init =

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

  669.     }

  670. 

  671.     PARSE_X264_OPT("level", level);

  672. 

  673.     if (avctx->i_quant_factor > 0)

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

  675.     if (avctx->b_quant_factor > 0)

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

  677. 

  678. #if FF_API_PRIVATE_OPT

  679. FF_DISABLE_DEPRECATION_WARNINGS

  680.     if (avctx->chromaoffset >= 0)

  681.         x4->chroma_offset = avctx->chromaoffset;

  682. FF_ENABLE_DEPRECATION_WARNINGS

  683. #endif

  684.     if (x4->chroma_offset >= 0)

  685.         x4->params.analyse.i_chroma_qp_offset = x4->chroma_offset;

  686. 

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

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

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

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

  691. 

  692. #if FF_API_PRIVATE_OPT

  693. FF_DISABLE_DEPRECATION_WARNINGS

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

  695.         x4->scenechange_threshold = avctx->scenechange_threshold;

  696. FF_ENABLE_DEPRECATION_WARNINGS

  697. #endif

  698.     if (x4->scenechange_threshold >= 0)

  699.         x4->params.i_scenecut_threshold = x4->scenechange_threshold;

  700. 

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

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

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

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

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

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

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

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

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

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

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

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

  713.     else if (x4->params.i_level_idc > 0) {

  714.         int i;

  715.         int mbn = AV_CEIL_RSHIFT(avctx->width, 4) * AV_CEIL_RSHIFT(avctx->height, 4);

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

  717. 

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

  719.             if (x264_levels[i].level_idc == x4->params.i_level_idc)

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

  721.     }

  722. 

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

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

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

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

  727. #if FF_API_PRIVATE_OPT

  728.     FF_DISABLE_DEPRECATION_WARNINGS

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

  730.         x4->noise_reduction = avctx->noise_reduction;

  731.     FF_ENABLE_DEPRECATION_WARNINGS

  732. #endif

  733.     if (x4->noise_reduction >= 0)

  734.         x4->params.analyse.i_noise_reduction = x4->noise_reduction;

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

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

  737. #if FF_API_PRIVATE_OPT

  738. FF_DISABLE_DEPRECATION_WARNINGS

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

  740.         x4->b_frame_strategy = avctx->b_frame_strategy;

  741. FF_ENABLE_DEPRECATION_WARNINGS

  742. #endif

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

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

  745. #if FF_API_CODER_TYPE

  746. FF_DISABLE_DEPRECATION_WARNINGS

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

  748.         x4->coder = avctx->coder_type == FF_CODER_TYPE_AC;

  749. FF_ENABLE_DEPRECATION_WARNINGS

  750. #endif

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

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

  753. 

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

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

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

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

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

  759.     PARSE_X264_OPT("deblock", deblock);

  760.     PARSE_X264_OPT("partitions", partitions);

  761.     PARSE_X264_OPT("stats", stats);

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

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

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

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

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

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

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

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

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

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

  772. 

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

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

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

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

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

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

  779.         x4->params.b_vfr_input = 0;

  780.     }

  781.     if (x4->avcintra_class >= 0)

  782. #if X264_BUILD >= 142

  783.         x4->params.i_avcintra_class = x4->avcintra_class;

  784. #else

  785.         av_log(avctx, AV_LOG_ERROR,

  786.                "x264 too old for AVC Intra, at least version 142 needed\n");

  787. #endif

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  804. 

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

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

  807. 

  808.     if (x4->fastfirstpass)

  809.         x264_param_apply_fastfirstpass(&x4->params);

  810. 

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

  812.     if (!x4->profile)

  813.         switch (avctx->profile) {

  814.         case FF_PROFILE_H264_BASELINE:

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

  816.             break;

  817.         case FF_PROFILE_H264_HIGH:

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

  819.             break;

  820.         case FF_PROFILE_H264_HIGH_10:

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

  822.             break;

  823.         case FF_PROFILE_H264_HIGH_422:

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

  825.             break;

  826.         case FF_PROFILE_H264_HIGH_444:

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

  828.             break;

  829.         case FF_PROFILE_H264_MAIN:

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

  831.             break;

  832.         default:

  833.             break;

  834.         }

  835. 

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

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

  838. 

  839.     if (x4->motion_est >= 0)

  840.         x4->params.analyse.i_me_method = x4->motion_est;

  841. 

  842.     if (x4->coder >= 0)

  843.         x4->params.b_cabac = x4->coder;

  844. 

  845.     if (x4->b_frame_strategy >= 0)

  846.         x4->params.i_bframe_adaptive = x4->b_frame_strategy;

  847. 

  848.     if (x4->profile)

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

  850.             int i;

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

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

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

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

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

  856.             return AVERROR(EINVAL);

  857.         }

  858. 

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

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

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

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

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

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

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

  866.     if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {

  867.         x4->params.i_fps_num = avctx->framerate.num;

  868.         x4->params.i_fps_den = avctx->framerate.den;

  869.     } else {

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

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

  872.     }

  873. 

  874.     x4->params.analyse.b_psnr = avctx->flags & AV_CODEC_FLAG_PSNR;

  875. 

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

  877.     if (avctx->thread_type)

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

  879. 

  880.     x4->params.b_interlaced   = avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT;

  881. 

  882.     x4->params.b_open_gop     = !(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP);

  883. 

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

  885. 

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

  887.                                  avctx->pix_fmt == AV_PIX_FMT_YUVJ422P ||

  888.                                  avctx->pix_fmt == AV_PIX_FMT_YUVJ444P ||

  889.                                  avctx->color_range == AVCOL_RANGE_JPEG;

  890. 

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

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

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

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

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

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

  897. 

  898.     if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)

  899.         x4->params.b_repeat_headers = 0;

  900. 

  901.     if(x4->x264opts){

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

  903.         while(p){

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

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

  906.                 ret = parse_opts(avctx, param, "1");

  907.                 if (ret < 0)

  908.                     return ret;

  909.             } else {

  910.                 ret = parse_opts(avctx, param, val);

  911.                 if (ret < 0)

  912.                     return ret;

  913.             }

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

  915.             p+=!!p;

  916.         }

  917.     }

  918. 

  919. 

  920.     {

  921.         AVDictionaryEntry *en = NULL;

  922.         while (en = av_dict_get(x4->x264_params, "", en, AV_DICT_IGNORE_SUFFIX)) {

  923.            if ((ret = x264_param_parse(&x4->params, en->key, en->value)) < 0) {

  924.                av_log(avctx, AV_LOG_WARNING,

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

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

  927. #if X264_BUILD >= 161

  928.                if (ret == X264_PARAM_ALLOC_FAILED)

  929.                    return AVERROR(ENOMEM);

  930. #endif

  931.            }

  932.         }

  933.     }

  934. 

  935.     // update AVCodecContext with x264 parameters

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

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

  938.     if (avctx->max_b_frames < 0)

  939.         avctx->max_b_frames = 0;

  940. 

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

  942. 

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

  944.     if (!x4->enc)

  945.         return AVERROR_EXTERNAL;

  946. 

  947.     if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {

  948.         x264_nal_t *nal;

  949.         uint8_t *p;

  950.         int nnal, s, i;

  951. 

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

  953.         avctx->extradata = p = av_mallocz(s + AV_INPUT_BUFFER_PADDING_SIZE);

  954.         if (!p)

  955.             return AVERROR(ENOMEM);

  956. 

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

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

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

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

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

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

  963.                 if (!x4->sei)

  964.                     return AVERROR(ENOMEM);

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

  966.                 continue;

  967.             }

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

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

  970.         }

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

  972.     }

  973. 

  974.     cpb_props = ff_add_cpb_side_data(avctx);

  975.     if (!cpb_props)

  976.         return AVERROR(ENOMEM);

  977.     cpb_props->buffer_size = x4->params.rc.i_vbv_buffer_size * 1000;

  978.     cpb_props->max_bitrate = x4->params.rc.i_vbv_max_bitrate * 1000LL;

  979.     cpb_props->avg_bitrate = x4->params.rc.i_bitrate         * 1000LL;

  980. 

  981.     // Overestimate the reordered opaque buffer size, in case a runtime

  982.     // reconfigure would increase the delay (which it shouldn't).

  983.     x4->nb_reordered_opaque = x264_encoder_maximum_delayed_frames(x4->enc) + 17;

  984.     x4->reordered_opaque    = av_malloc_array(x4->nb_reordered_opaque,

  985.                                               sizeof(*x4->reordered_opaque));

  986.     if (!x4->reordered_opaque)

  987.         return AVERROR(ENOMEM);

  988. 

  989.     return 0;

  990. }

  991. 

  992. static const enum AVPixelFormat pix_fmts_8bit[] = {

  993.     AV_PIX_FMT_YUV420P,

  994.     AV_PIX_FMT_YUVJ420P,

  995.     AV_PIX_FMT_YUV422P,

  996.     AV_PIX_FMT_YUVJ422P,

  997.     AV_PIX_FMT_YUV444P,

  998.     AV_PIX_FMT_YUVJ444P,

  999.     AV_PIX_FMT_NV12,

  1000.     AV_PIX_FMT_NV16,

  1001. #ifdef X264_CSP_NV21

  1002.     AV_PIX_FMT_NV21,

  1003. #endif

  1004.     AV_PIX_FMT_NONE

  1005. };

  1006. static const enum AVPixelFormat pix_fmts_9bit[] = {

  1007.     AV_PIX_FMT_YUV420P9,

  1008.     AV_PIX_FMT_YUV444P9,

  1009.     AV_PIX_FMT_NONE

  1010. };

  1011. static const enum AVPixelFormat pix_fmts_10bit[] = {

  1012.     AV_PIX_FMT_YUV420P10,

  1013.     AV_PIX_FMT_YUV422P10,

  1014.     AV_PIX_FMT_YUV444P10,

  1015.     AV_PIX_FMT_NV20,

  1016.     AV_PIX_FMT_NONE

  1017. };

  1018. static const enum AVPixelFormat pix_fmts_all[] = {

  1019.     AV_PIX_FMT_YUV420P,

  1020.     AV_PIX_FMT_YUVJ420P,

  1021.     AV_PIX_FMT_YUV422P,

  1022.     AV_PIX_FMT_YUVJ422P,

  1023.     AV_PIX_FMT_YUV444P,

  1024.     AV_PIX_FMT_YUVJ444P,

  1025.     AV_PIX_FMT_NV12,

  1026.     AV_PIX_FMT_NV16,

  1027. #ifdef X264_CSP_NV21

  1028.     AV_PIX_FMT_NV21,

  1029. #endif

  1030.     AV_PIX_FMT_YUV420P10,

  1031.     AV_PIX_FMT_YUV422P10,

  1032.     AV_PIX_FMT_YUV444P10,

  1033.     AV_PIX_FMT_NV20,

  1034. #ifdef X264_CSP_I400

  1035.     AV_PIX_FMT_GRAY8,

  1036.     AV_PIX_FMT_GRAY10,

  1037. #endif

  1038.     AV_PIX_FMT_NONE

  1039. };

  1040. #if CONFIG_LIBX264RGB_ENCODER

  1041. static const enum AVPixelFormat pix_fmts_8bit_rgb[] = {

  1042.     AV_PIX_FMT_BGR0,

  1043.     AV_PIX_FMT_BGR24,

  1044.     AV_PIX_FMT_RGB24,

  1045.     AV_PIX_FMT_NONE

  1046. };

  1047. #endif

  1048. 

  1049. static av_cold void X264_init_static(AVCodec *codec)

  1050. {

  1051. #if X264_BUILD < 153

  1052.     if (x264_bit_depth == 8)

  1053.         codec->pix_fmts = pix_fmts_8bit;

  1054.     else if (x264_bit_depth == 9)

  1055.         codec->pix_fmts = pix_fmts_9bit;

  1056.     else if (x264_bit_depth == 10)

  1057.         codec->pix_fmts = pix_fmts_10bit;

  1058. #else

  1059.     codec->pix_fmts = pix_fmts_all;

  1060. #endif

  1061. }

  1062. 

  1063. #define OFFSET(x) offsetof(X264Context, x)

  1064. #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

  1065. static const AVOption options[] = {

  1066.     { "preset",        "Set the encoding preset (cf. x264 --fullhelp)",   OFFSET(preset),        AV_OPT_TYPE_STRING, { .str = "medium" }, 0, 0, VE},

  1067.     { "tune",          "Tune the encoding params (cf. x264 --fullhelp)",  OFFSET(tune),          AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},

  1068.     { "profile",       "Set profile restrictions (cf. x264 --fullhelp) ", OFFSET(profile),       AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},

  1069.     { "fastfirstpass", "Use fast settings when encoding first pass",      OFFSET(fastfirstpass), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE},

  1070.     {"level", "Specify level (as defined by Annex A)", OFFSET(level), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},

  1071.     {"passlogfile", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},

  1072.     {"wpredp", "Weighted prediction for P-frames", OFFSET(wpredp), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},

  1073.     {"a53cc",          "Use A53 Closed Captions (if available)",          OFFSET(a53_cc),        AV_OPT_TYPE_BOOL,   {.i64 = 1}, 0, 1, VE},

  1074.     {"x264opts", "x264 options", OFFSET(x264opts), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},

  1075.     { "crf",           "Select the quality for constant quality mode",    OFFSET(crf),           AV_OPT_TYPE_FLOAT,  {.dbl = -1 }, -1, FLT_MAX, VE },

  1076.     { "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 },

  1077.     { "qp",            "Constant quantization parameter rate control method",OFFSET(cqp),        AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, INT_MAX, VE },

  1078.     { "aq-mode",       "AQ method",                                       OFFSET(aq_mode),       AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, INT_MAX, VE, "aq_mode"},

  1079.     { "none",          NULL,                              0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_NONE},         INT_MIN, INT_MAX, VE, "aq_mode" },

  1080.     { "variance",      "Variance AQ (complexity mask)",   0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_VARIANCE},     INT_MIN, INT_MAX, VE, "aq_mode" },

  1081.     { "autovariance",  "Auto-variance AQ",                0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },

  1082. #if X264_BUILD >= 144

  1083.     { "autovariance-biased", "Auto-variance AQ with bias to dark scenes", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE_BIASED}, INT_MIN, INT_MAX, VE, "aq_mode" },

  1084. #endif

  1085.     { "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},

  1086.     { "psy",           "Use psychovisual optimizations.",                 OFFSET(psy),           AV_OPT_TYPE_BOOL,   { .i64 = -1 }, -1, 1, VE },

  1087.     { "psy-rd",        "Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> format.", OFFSET(psy_rd), AV_OPT_TYPE_STRING,  {0 }, 0, 0, VE},

  1088.     { "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 },

  1089.     { "weightb",       "Weighted prediction for B-frames.",               OFFSET(weightb),       AV_OPT_TYPE_BOOL,   { .i64 = -1 }, -1, 1, VE },

  1090.     { "weightp",       "Weighted prediction analysis method.",            OFFSET(weightp),       AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, INT_MAX, VE, "weightp" },

  1091.     { "none",          NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_NONE},   INT_MIN, INT_MAX, VE, "weightp" },

  1092.     { "simple",        NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SIMPLE}, INT_MIN, INT_MAX, VE, "weightp" },

  1093.     { "smart",         NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SMART},  INT_MIN, INT_MAX, VE, "weightp" },

  1094.     { "ssim",          "Calculate and print SSIM stats.",                 OFFSET(ssim),          AV_OPT_TYPE_BOOL,   { .i64 = -1 }, -1, 1, VE },

  1095.     { "intra-refresh", "Use Periodic Intra Refresh instead of IDR frames.",OFFSET(intra_refresh),AV_OPT_TYPE_BOOL,   { .i64 = -1 }, -1, 1, VE },

  1096.     { "bluray-compat", "Bluray compatibility workarounds.",               OFFSET(bluray_compat) ,AV_OPT_TYPE_BOOL,   { .i64 = -1 }, -1, 1, VE },

  1097.     { "b-bias",        "Influences how often B-frames are used",          OFFSET(b_bias),        AV_OPT_TYPE_INT,    { .i64 = INT_MIN}, INT_MIN, INT_MAX, VE },

  1098.     { "b-pyramid",     "Keep some B-frames as references.",               OFFSET(b_pyramid),     AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, INT_MAX, VE, "b_pyramid" },

  1099.     { "none",          NULL,                                  0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NONE},   INT_MIN, INT_MAX, VE, "b_pyramid" },

  1100.     { "strict",        "Strictly hierarchical pyramid",       0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_STRICT}, INT_MIN, INT_MAX, VE, "b_pyramid" },

  1101.     { "normal",        "Non-strict (not Blu-ray compatible)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NORMAL}, INT_MIN, INT_MAX, VE, "b_pyramid" },

  1102.     { "mixed-refs",    "One reference per partition, as opposed to one reference per macroblock", OFFSET(mixed_refs), AV_OPT_TYPE_BOOL, { .i64 = -1}, -1, 1, VE },

  1103.     { "8x8dct",        "High profile 8x8 transform.",                     OFFSET(dct8x8),        AV_OPT_TYPE_BOOL,   { .i64 = -1 }, -1, 1, VE},

  1104.     { "fast-pskip",    NULL,                                              OFFSET(fast_pskip),    AV_OPT_TYPE_BOOL,   { .i64 = -1 }, -1, 1, VE},

  1105.     { "aud",           "Use access unit delimiters.",                     OFFSET(aud),           AV_OPT_TYPE_BOOL,   { .i64 = -1 }, -1, 1, VE},

  1106.     { "mbtree",        "Use macroblock tree ratecontrol.",                OFFSET(mbtree),        AV_OPT_TYPE_BOOL,   { .i64 = -1 }, -1, 1, VE},

  1107.     { "deblock",       "Loop filter parameters, in <alpha:beta> form.",   OFFSET(deblock),       AV_OPT_TYPE_STRING, { 0 },  0, 0, VE},

  1108.     { "cplxblur",      "Reduce fluctuations in QP (before curve compression)", OFFSET(cplxblur), AV_OPT_TYPE_FLOAT,  {.dbl = -1 }, -1, FLT_MAX, VE},

  1109.     { "partitions",    "A comma-separated list of partitions to consider. "

  1110.                        "Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all", OFFSET(partitions), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},

  1111.     { "direct-pred",   "Direct MV prediction mode",                       OFFSET(direct_pred),   AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, INT_MAX, VE, "direct-pred" },

  1112.     { "none",          NULL,      0,    AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_NONE },     0, 0, VE, "direct-pred" },

  1113.     { "spatial",       NULL,      0,    AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_SPATIAL },  0, 0, VE, "direct-pred" },

  1114.     { "temporal",      NULL,      0,    AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_TEMPORAL }, 0, 0, VE, "direct-pred" },

  1115.     { "auto",          NULL,      0,    AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_AUTO },     0, 0, VE, "direct-pred" },

  1116.     { "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 },

  1117.     { "stats",         "Filename for 2 pass stats",                       OFFSET(stats),         AV_OPT_TYPE_STRING, { 0 },  0,       0, VE },

  1118.     { "nal-hrd",       "Signal HRD information (requires vbv-bufsize; "

  1119.                        "cbr not allowed in .mp4)",                        OFFSET(nal_hrd),       AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, INT_MAX, VE, "nal-hrd" },

  1120.     { "none",          NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_NONE}, INT_MIN, INT_MAX, VE, "nal-hrd" },

  1121.     { "vbr",           NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_VBR},  INT_MIN, INT_MAX, VE, "nal-hrd" },

  1122.     { "cbr",           NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_CBR},  INT_MIN, INT_MAX, VE, "nal-hrd" },

  1123.     { "avcintra-class","AVC-Intra class 50/100/200",                      OFFSET(avcintra_class),AV_OPT_TYPE_INT,     { .i64 = -1 }, -1, 200   , VE},

  1124.     { "me_method",    "Set motion estimation method",                     OFFSET(motion_est),    AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, X264_ME_TESA, VE, "motion-est"},

  1125.     { "motion-est",   "Set motion estimation method",                     OFFSET(motion_est),    AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, X264_ME_TESA, VE, "motion-est"},

  1126.     { "dia",           NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_DIA },  INT_MIN, INT_MAX, VE, "motion-est" },

  1127.     { "hex",           NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_HEX },  INT_MIN, INT_MAX, VE, "motion-est" },

  1128.     { "umh",           NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_UMH },  INT_MIN, INT_MAX, VE, "motion-est" },

  1129.     { "esa",           NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_ESA },  INT_MIN, INT_MAX, VE, "motion-est" },

  1130.     { "tesa",          NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_TESA }, INT_MIN, INT_MAX, VE, "motion-est" },

  1131.     { "forced-idr",   "If forcing keyframes, force them as IDR frames.",                                  OFFSET(forced_idr),  AV_OPT_TYPE_BOOL,   { .i64 = 0 }, -1, 1, VE },

  1132.     { "coder",    "Coder type",                                           OFFSET(coder), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE, "coder" },

  1133.     { "default",          NULL, 0, AV_OPT_TYPE_CONST, { .i64 = -1 }, INT_MIN, INT_MAX, VE, "coder" },

  1134.     { "cavlc",            NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 },  INT_MIN, INT_MAX, VE, "coder" },

  1135.     { "cabac",            NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 },  INT_MIN, INT_MAX, VE, "coder" },

  1136.     { "vlc",              NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 },  INT_MIN, INT_MAX, VE, "coder" },

  1137.     { "ac",               NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 },  INT_MIN, INT_MAX, VE, "coder" },

  1138.     { "b_strategy",   "Strategy to choose between I/P/B-frames",          OFFSET(b_frame_strategy), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 2, VE },

  1139.     { "chromaoffset", "QP difference between chroma and luma",            OFFSET(chroma_offset), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },

  1140.     { "sc_threshold", "Scene change threshold",                           OFFSET(scenechange_threshold), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },

  1141.     { "noise_reduction", "Noise reduction",                               OFFSET(noise_reduction), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },

  1142. 

  1143.     { "x264-params",  "Override the x264 configuration using a :-separated list of key=value parameters", OFFSET(x264_params), AV_OPT_TYPE_DICT, { 0 }, 0, 0, VE },

  1144.     { NULL },

  1145. };

  1146. 

  1147. static const AVCodecDefault x264_defaults[] = {

  1148.     { "b",                "0" },

  1149.     { "bf",               "-1" },

  1150.     { "flags2",           "0" },

  1151.     { "g",                "-1" },

  1152.     { "i_qfactor",        "-1" },

  1153.     { "b_qfactor",        "-1" },

  1154.     { "qmin",             "-1" },

  1155.     { "qmax",             "-1" },

  1156.     { "qdiff",            "-1" },

  1157.     { "qblur",            "-1" },

  1158.     { "qcomp",            "-1" },

  1159. //     { "rc_lookahead",     "-1" },

  1160.     { "refs",             "-1" },

  1161. #if FF_API_PRIVATE_OPT

  1162.     { "sc_threshold",     "-1" },

  1163. #endif

  1164.     { "trellis",          "-1" },

  1165. #if FF_API_PRIVATE_OPT

  1166.     { "nr",               "-1" },

  1167. #endif

  1168.     { "me_range",         "-1" },

  1169.     { "subq",             "-1" },

  1170. #if FF_API_PRIVATE_OPT

  1171.     { "b_strategy",       "-1" },

  1172. #endif

  1173.     { "keyint_min",       "-1" },

  1174. #if FF_API_CODER_TYPE

  1175.     { "coder",            "-1" },

  1176. #endif

  1177.     { "cmp",              "-1" },

  1178.     { "threads",          AV_STRINGIFY(X264_THREADS_AUTO) },

  1179.     { "thread_type",      "0" },

  1180.     { "flags",            "+cgop" },

  1181.     { "rc_init_occupancy","-1" },

  1182.     { NULL },

  1183. };

  1184. 

  1185. #if CONFIG_LIBX264_ENCODER

  1186. static const AVClass x264_class = {

  1187.     .class_name = "libx264",

  1188.     .item_name  = av_default_item_name,

  1189.     .option     = options,

  1190.     .version    = LIBAVUTIL_VERSION_INT,

  1191. };

  1192. 

  1193. AVCodec ff_libx264_encoder = {

  1194.     .name             = "libx264",

  1195.     .long_name        = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),

  1196.     .type             = AVMEDIA_TYPE_VIDEO,

  1197.     .id               = AV_CODEC_ID_H264,

  1198.     .priv_data_size   = sizeof(X264Context),

  1199.     .init             = X264_init,

  1200.     .encode2          = X264_frame,

  1201.     .close            = X264_close,

  1202.     .capabilities     = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS |

  1203.                         AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,

  1204.     .priv_class       = &x264_class,

  1205.     .defaults         = x264_defaults,

  1206.     .init_static_data = X264_init_static,

  1207. #if X264_BUILD >= 158

  1208.     .caps_internal    = FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_INIT_THREADSAFE,

  1209. #else

  1210.     .caps_internal    = FF_CODEC_CAP_INIT_CLEANUP,

  1211. #endif

  1212.     .wrapper_name     = "libx264",

  1213. };

  1214. #endif

  1215. 

  1216. #if CONFIG_LIBX264RGB_ENCODER

  1217. static const AVClass rgbclass = {

  1218.     .class_name = "libx264rgb",

  1219.     .item_name  = av_default_item_name,

  1220.     .option     = options,

  1221.     .version    = LIBAVUTIL_VERSION_INT,

  1222. };

  1223. 

  1224. AVCodec ff_libx264rgb_encoder = {

  1225.     .name           = "libx264rgb",

  1226.     .long_name      = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB"),

  1227.     .type           = AVMEDIA_TYPE_VIDEO,

  1228.     .id             = AV_CODEC_ID_H264,

  1229.     .priv_data_size = sizeof(X264Context),

  1230.     .init           = X264_init,

  1231.     .encode2        = X264_frame,

  1232.     .close          = X264_close,

  1233.     .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS |

  1234.                       AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,

  1235.     .priv_class     = &rgbclass,

  1236.     .defaults       = x264_defaults,

  1237.     .pix_fmts       = pix_fmts_8bit_rgb,

  1238. #if X264_BUILD >= 158

  1239.     .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_INIT_THREADSAFE,

  1240. #else

  1241.     .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,

  1242. #endif

  1243.     .wrapper_name   = "libx264",

  1244. };

  1245. #endif

  1246. 

  1247. #if CONFIG_LIBX262_ENCODER

  1248. static const AVClass X262_class = {

  1249.     .class_name = "libx262",

  1250.     .item_name  = av_default_item_name,

  1251.     .option     = options,

  1252.     .version    = LIBAVUTIL_VERSION_INT,

  1253. };

  1254. 

  1255. AVCodec ff_libx262_encoder = {

  1256.     .name             = "libx262",

  1257.     .long_name        = NULL_IF_CONFIG_SMALL("libx262 MPEG2VIDEO"),

  1258.     .type             = AVMEDIA_TYPE_VIDEO,

  1259.     .id               = AV_CODEC_ID_MPEG2VIDEO,

  1260.     .priv_data_size   = sizeof(X264Context),

  1261.     .init             = X264_init,

  1262.     .encode2          = X264_frame,

  1263.     .close            = X264_close,

  1264.     .capabilities     = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS |

  1265.                         AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,

  1266.     .priv_class       = &X262_class,

  1267.     .defaults         = x264_defaults,

  1268.     .pix_fmts         = pix_fmts_8bit,

  1269.     .caps_internal    = FF_CODEC_CAP_INIT_CLEANUP,

  1270.     .wrapper_name     = "libx264",

  1271. };

  1272. #endif