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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. #include "atsc_a53.h"

  34. 

  35. #if defined(_MSC_VER)

  36. #define X264_API_IMPORTS 1

  37. #endif

  38. 

  39. #include <x264.h>

  40. #include <float.h>

  41. #include <math.h>

  42. #include <stdio.h>

  43. #include <stdlib.h>

  44. #include <string.h>

  45. 

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

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

  48. #define MB_SIZE 16

  49. 

  50. typedef struct X264Opaque {

  51.     int64_t reordered_opaque;

  52.     int64_t wallclock;

  53. } X264Opaque;

  54. 

  55. typedef struct X264Context {

  56.     AVClass        *class;

  57.     x264_param_t    params;

  58.     x264_t         *enc;

  59.     x264_picture_t  pic;

  60.     uint8_t        *sei;

  61.     int             sei_size;

  62.     char *preset;

  63.     char *tune;

  64.     char *profile;

  65.     char *level;

  66.     int fastfirstpass;

  67.     char *wpredp;

  68.     char *x264opts;

  69.     float crf;

  70.     float crf_max;

  71.     int cqp;

  72.     int aq_mode;

  73.     float aq_strength;

  74.     char *psy_rd;

  75.     int psy;

  76.     int rc_lookahead;

  77.     int weightp;

  78.     int weightb;

  79.     int ssim;

  80.     int intra_refresh;

  81.     int bluray_compat;

  82.     int b_bias;

  83.     int b_pyramid;

  84.     int mixed_refs;

  85.     int dct8x8;

  86.     int fast_pskip;

  87.     int aud;

  88.     int mbtree;

  89.     char *deblock;

  90.     float cplxblur;

  91.     char *partitions;

  92.     int direct_pred;

  93.     int slice_max_size;

  94.     char *stats;

  95.     int nal_hrd;

  96.     int avcintra_class;

  97.     int motion_est;

  98.     int forced_idr;

  99.     int coder;

  100.     int a53_cc;

  101.     int b_frame_strategy;

  102.     int chroma_offset;

  103.     int scenechange_threshold;

  104.     int noise_reduction;

  105. 

  106.     AVDictionary *x264_params;

  107. 

  108.     int nb_reordered_opaque, next_reordered_opaque;

  109.     X264Opaque *reordered_opaque;

  110. 

  111.     /**

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

  113.      * encounter a frame with ROI side data.

  114.      */

  115.     int roi_warned;

  116. } X264Context;

  117. 

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

  119. {

  120.     static const int level_map[] = {

  121.         [X264_LOG_ERROR]   = AV_LOG_ERROR,

  122.         [X264_LOG_WARNING] = AV_LOG_WARNING,

  123.         [X264_LOG_INFO]    = AV_LOG_INFO,

  124.         [X264_LOG_DEBUG]   = AV_LOG_DEBUG

  125.     };

  126. 

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

  128.         return;

  129. 

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

  131. }

  132. 

  133. 

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

  135.                        const x264_nal_t *nals, int nnal)

  136. {

  137.     X264Context *x4 = ctx->priv_data;

  138.     uint8_t *p;

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

  140. 

  141.     if (!nnal)

  142.         return 0;

  143. 

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

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

  146. 

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

  148.         return ret;

  149. 

  150.     p = pkt->data;

  151. 

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

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

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

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

  156.             return -1;

  157.         }

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

  159.         p += x4->sei_size;

  160.         x4->sei_size = 0;

  161.         av_freep(&x4->sei);

  162.     }

  163. 

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

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

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

  167.     }

  168. 

  169.     return 1;

  170. }

  171. 

  172. static int avfmt2_num_planes(int avfmt)

  173. {

  174.     switch (avfmt) {

  175.     case AV_PIX_FMT_YUV420P:

  176.     case AV_PIX_FMT_YUVJ420P:

  177.     case AV_PIX_FMT_YUV420P9:

  178.     case AV_PIX_FMT_YUV420P10:

  179.     case AV_PIX_FMT_YUV444P:

  180.         return 3;

  181. 

  182.     case AV_PIX_FMT_BGR0:

  183.     case AV_PIX_FMT_BGR24:

  184.     case AV_PIX_FMT_RGB24:

  185.     case AV_PIX_FMT_GRAY8:

  186.     case AV_PIX_FMT_GRAY10:

  187.         return 1;

  188. 

  189.     default:

  190.         return 3;

  191.     }

  192. }

  193. 

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

  195. {

  196.     X264Context *x4 = ctx->priv_data;

  197.     AVFrameSideData *side_data;

  198. 

  199. 

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

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

  202. 

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

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

  205.         }

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

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

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

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

  210.         }

  211. 

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

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

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

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

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

  217.         }

  218. 

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

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

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

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

  223.         }

  224. 

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

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

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

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

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

  230.         }

  231. 

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

  233.             x4->cqp >= 0 &&

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

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

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

  237.         }

  238. 

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

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

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

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

  243.         }

  244.     }

  245. 

  246.     side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_STEREO3D);

  247.     if (side_data) {

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

  249.         int fpa_type;

  250. 

  251.         switch (stereo->type) {

  252.         case AV_STEREO3D_CHECKERBOARD:

  253.             fpa_type = 0;

  254.             break;

  255.         case AV_STEREO3D_COLUMNS:

  256.             fpa_type = 1;

  257.             break;

  258.         case AV_STEREO3D_LINES:

  259.             fpa_type = 2;

  260.             break;

  261.         case AV_STEREO3D_SIDEBYSIDE:

  262.             fpa_type = 3;

  263.             break;

  264.         case AV_STEREO3D_TOPBOTTOM:

  265.             fpa_type = 4;

  266.             break;

  267.         case AV_STEREO3D_FRAMESEQUENCE:

  268.             fpa_type = 5;

  269.             break;

  270. #if X264_BUILD >= 145

  271.         case AV_STEREO3D_2D:

  272.             fpa_type = 6;

  273.             break;

  274. #endif

  275.         default:

  276.             fpa_type = -1;

  277.             break;

  278.         }

  279. 

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

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

  282.             av_log(ctx, AV_LOG_WARNING,

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

  284.             fpa_type = -1;

  285.         }

  286. 

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

  288.             x4->params.i_frame_packing = fpa_type;

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

  290.         }

  291.     }

  292. }

  293. 

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

  295.                       int *got_packet)

  296. {

  297.     X264Context *x4 = ctx->priv_data;

  298.     x264_nal_t *nal;

  299.     int nnal, i, ret;

  300.     x264_picture_t pic_out = {0};

  301.     int pict_type;

  302.     int bit_depth;

  303.     int64_t wallclock = 0;

  304.     X264Opaque *out_opaque;

  305.     AVFrameSideData *sd;

  306. 

  307.     x264_picture_init( &x4->pic );

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

  309. #if X264_BUILD >= 153

  310.     bit_depth = x4->params.i_bitdepth;

  311. #else

  312.     bit_depth = x264_bit_depth;

  313. #endif

  314.     if (bit_depth > 8)

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

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

  317. 

  318.     if (frame) {

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

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

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

  322.         }

  323. 

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

  325. 

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

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

  328.         if (ctx->export_side_data & AV_CODEC_EXPORT_DATA_PRFT)

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

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

  331.         x4->next_reordered_opaque++;

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

  333. 

  334.         switch (frame->pict_type) {

  335.         case AV_PICTURE_TYPE_I:

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

  337.                                                 : X264_TYPE_KEYFRAME;

  338.             break;

  339.         case AV_PICTURE_TYPE_P:

  340.             x4->pic.i_type = X264_TYPE_P;

  341.             break;

  342.         case AV_PICTURE_TYPE_B:

  343.             x4->pic.i_type = X264_TYPE_B;

  344.             break;

  345.         default:

  346.             x4->pic.i_type = X264_TYPE_AUTO;

  347.             break;

  348.         }

  349.         reconfig_encoder(ctx, frame);

  350. 

  351.         if (x4->a53_cc) {

  352.             void *sei_data;

  353.             size_t sei_size;

  354. 

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

  356.             if (ret < 0) {

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

  358.             } else if (sei_data) {

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

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

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

  362.                     av_free(sei_data);

  363.                 } else {

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

  365. 

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

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

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

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

  370.                 }

  371.             }

  372.         }

  373. 

  374.         sd = av_frame_get_side_data(frame, AV_FRAME_DATA_REGIONS_OF_INTEREST);

  375.         if (sd) {

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

  377.                 if (!x4->roi_warned) {

  378.                     x4->roi_warned = 1;

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

  380.                 }

  381.             } else {

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

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

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

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

  386.                     int nb_rois;

  387.                     const AVRegionOfInterest *roi;

  388.                     uint32_t roi_size;

  389.                     float *qoffsets;

  390. 

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

  392.                     roi_size = roi->self_size;

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

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

  395.                         return AVERROR(EINVAL);

  396.                     }

  397.                     nb_rois = sd->size / roi_size;

  398. 

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

  400.                     if (!qoffsets)

  401.                         return AVERROR(ENOMEM);

  402. 

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

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

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

  406.                         int startx, endx, starty, endy;

  407.                         float qoffset;

  408. 

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

  410. 

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

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

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

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

  415. 

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

  417.                             av_free(qoffsets);

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

  419.                             return AVERROR(EINVAL);

  420.                         }

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

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

  423. 

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

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

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

  427.                             }

  428.                         }

  429.                     }

  430. 

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

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

  433.                 } else {

  434.                     if (!x4->roi_warned) {

  435.                         x4->roi_warned = 1;

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

  437.                     }

  438.                 }

  439.             }

  440.         }

  441.     }

  442. 

  443.     do {

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

  445.             return AVERROR_EXTERNAL;

  446. 

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

  448.         if (ret < 0)

  449.             return ret;

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

  451. 

  452.     if (!ret)

  453.         return 0;

  454. 

  455.     pkt->pts = pic_out.i_pts;

  456.     pkt->dts = pic_out.i_dts;

  457. 

  458.     out_opaque = pic_out.opaque;

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

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

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

  462.         wallclock = out_opaque->wallclock;

  463.     } else {

  464.         // Unexpected opaque pointer on picture output

  465.         ctx->reordered_opaque = 0;

  466.     }

  467. 

  468.     switch (pic_out.i_type) {

  469.     case X264_TYPE_IDR:

  470.     case X264_TYPE_I:

  471.         pict_type = AV_PICTURE_TYPE_I;

  472.         break;

  473.     case X264_TYPE_P:

  474.         pict_type = AV_PICTURE_TYPE_P;

  475.         break;

  476.     case X264_TYPE_B:

  477.     case X264_TYPE_BREF:

  478.         pict_type = AV_PICTURE_TYPE_B;

  479.         break;

  480.     default:

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

  482.         return AVERROR_EXTERNAL;

  483.     }

  484. #if FF_API_CODED_FRAME

  485. FF_DISABLE_DEPRECATION_WARNINGS

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

  487. FF_ENABLE_DEPRECATION_WARNINGS

  488. #endif

  489. 

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

  491.     if (ret) {

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

  493.         if (wallclock)

  494.             ff_side_data_set_prft(pkt, wallclock);

  495. 

  496. #if FF_API_CODED_FRAME

  497. FF_DISABLE_DEPRECATION_WARNINGS

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

  499. FF_ENABLE_DEPRECATION_WARNINGS

  500. #endif

  501.     }

  502. 

  503.     *got_packet = ret;

  504.     return 0;

  505. }

  506. 

  507. static av_cold int X264_close(AVCodecContext *avctx)

  508. {

  509.     X264Context *x4 = avctx->priv_data;

  510. 

  511.     av_freep(&avctx->extradata);

  512.     av_freep(&x4->sei);

  513.     av_freep(&x4->reordered_opaque);

  514. 

  515. #if X264_BUILD >= 161

  516.     x264_param_cleanup(&x4->params);

  517. #endif

  518. 

  519.     if (x4->enc) {

  520.         x264_encoder_close(x4->enc);

  521.         x4->enc = NULL;

  522.     }

  523. 

  524.     return 0;

  525. }

  526. 

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

  528. {

  529.     X264Context *x4 = avctx->priv_data;

  530.     int ret;

  531. 

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

  533.         if (ret == X264_PARAM_BAD_NAME) {

  534.             av_log(avctx, AV_LOG_ERROR,

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

  536.             ret = AVERROR(EINVAL);

  537. #if X264_BUILD >= 161

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

  539.             av_log(avctx, AV_LOG_ERROR,

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

  541.             ret = AVERROR(ENOMEM);

  542. #endif

  543.         } else {

  544.             av_log(avctx, AV_LOG_ERROR,

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

  546.             ret = AVERROR(EINVAL);

  547.         }

  548.     }

  549. 

  550.     return ret;

  551. }

  552. 

  553. static int convert_pix_fmt(enum AVPixelFormat pix_fmt)

  554. {

  555.     switch (pix_fmt) {

  556.     case AV_PIX_FMT_YUV420P:

  557.     case AV_PIX_FMT_YUVJ420P:

  558.     case AV_PIX_FMT_YUV420P9:

  559.     case AV_PIX_FMT_YUV420P10: return X264_CSP_I420;

  560.     case AV_PIX_FMT_YUV422P:

  561.     case AV_PIX_FMT_YUVJ422P:

  562.     case AV_PIX_FMT_YUV422P10: return X264_CSP_I422;

  563.     case AV_PIX_FMT_YUV444P:

  564.     case AV_PIX_FMT_YUVJ444P:

  565.     case AV_PIX_FMT_YUV444P9:

  566.     case AV_PIX_FMT_YUV444P10: return X264_CSP_I444;

  567. #if CONFIG_LIBX264RGB_ENCODER

  568.     case AV_PIX_FMT_BGR0:

  569.         return X264_CSP_BGRA;

  570.     case AV_PIX_FMT_BGR24:

  571.         return X264_CSP_BGR;

  572. 

  573.     case AV_PIX_FMT_RGB24:

  574.         return X264_CSP_RGB;

  575. #endif

  576.     case AV_PIX_FMT_NV12:      return X264_CSP_NV12;

  577.     case AV_PIX_FMT_NV16:

  578.     case AV_PIX_FMT_NV20:      return X264_CSP_NV16;

  579. #ifdef X264_CSP_NV21

  580.     case AV_PIX_FMT_NV21:      return X264_CSP_NV21;

  581. #endif

  582. #ifdef X264_CSP_I400

  583.     case AV_PIX_FMT_GRAY8:

  584.     case AV_PIX_FMT_GRAY10:    return X264_CSP_I400;

  585. #endif

  586.     };

  587.     return 0;

  588. }

  589. 

  590. #define PARSE_X264_OPT(name, var)\

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

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

  593.         return AVERROR(EINVAL);\

  594.     }

  595. 

  596. static av_cold int X264_init(AVCodecContext *avctx)

  597. {

  598.     X264Context *x4 = avctx->priv_data;

  599.     AVCPBProperties *cpb_props;

  600.     int sw,sh;

  601.     int ret;

  602. 

  603.     if (avctx->global_quality > 0)

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

  605. 

  606. #if CONFIG_LIBX262_ENCODER

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

  608.         x4->params.b_mpeg2 = 1;

  609.         x264_param_default_mpeg2(&x4->params);

  610.     } else

  611. #endif

  612.     x264_param_default(&x4->params);

  613. 

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

  615. 

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

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

  618.             int i;

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

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

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

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

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

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

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

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

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

  628.             return AVERROR(EINVAL);

  629.         }

  630. 

  631.     if (avctx->level > 0)

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

  633. 

  634.     x4->params.pf_log               = X264_log;

  635.     x4->params.p_log_private        = avctx;

  636.     x4->params.i_log_level          = X264_LOG_DEBUG;

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

  638. #if X264_BUILD >= 153

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

  640. #endif

  641. 

  642.     PARSE_X264_OPT("weightp", wpredp);

  643. 

  644.     if (avctx->bit_rate) {

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

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

  647.             return AVERROR(EINVAL);

  648.         }

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

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

  651.     }

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

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

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

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

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

  657.     } else {

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

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

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

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

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

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

  664.         }

  665. 

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

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

  668.     }

  669. 

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

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

  672.         x4->params.rc.f_vbv_buffer_init =

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

  674.     }

  675. 

  676.     PARSE_X264_OPT("level", level);

  677. 

  678.     if (avctx->i_quant_factor > 0)

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

  680.     if (avctx->b_quant_factor > 0)

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

  682. 

  683. #if FF_API_PRIVATE_OPT

  684. FF_DISABLE_DEPRECATION_WARNINGS

  685.     if (avctx->chromaoffset)

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

  687. FF_ENABLE_DEPRECATION_WARNINGS

  688. #endif

  689.     if (x4->chroma_offset)

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

  691. 

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

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

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

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

  696. 

  697. #if FF_API_PRIVATE_OPT

  698. FF_DISABLE_DEPRECATION_WARNINGS

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

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

  701. FF_ENABLE_DEPRECATION_WARNINGS

  702. #endif

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

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

  705. 

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

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

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

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

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

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

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

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

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

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

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

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

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

  719.         int i;

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

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

  722. 

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

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

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

  726.     }

  727. 

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

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

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

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

  732. #if FF_API_PRIVATE_OPT

  733.     FF_DISABLE_DEPRECATION_WARNINGS

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

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

  736.     FF_ENABLE_DEPRECATION_WARNINGS

  737. #endif

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

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

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

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

  742. #if FF_API_PRIVATE_OPT

  743. FF_DISABLE_DEPRECATION_WARNINGS

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

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

  746. FF_ENABLE_DEPRECATION_WARNINGS

  747. #endif

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

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

  750. #if FF_API_CODER_TYPE

  751. FF_DISABLE_DEPRECATION_WARNINGS

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

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

  754. FF_ENABLE_DEPRECATION_WARNINGS

  755. #endif

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

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

  758. 

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

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

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

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

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

  764.     PARSE_X264_OPT("deblock", deblock);

  765.     PARSE_X264_OPT("partitions", partitions);

  766.     PARSE_X264_OPT("stats", stats);

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

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

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

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

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

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

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

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

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

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

  777. 

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

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

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

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

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

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

  784.         x4->params.b_vfr_input = 0;

  785.     }

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

  787. #if X264_BUILD >= 142

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

  789. #else

  790.         av_log(avctx, AV_LOG_ERROR,

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

  792. #endif

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  809. 

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

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

  812. 

  813.     if (x4->fastfirstpass)

  814.         x264_param_apply_fastfirstpass(&x4->params);

  815. 

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

  817.     if (!x4->profile)

  818.         switch (avctx->profile) {

  819.         case FF_PROFILE_H264_BASELINE:

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

  821.             break;

  822.         case FF_PROFILE_H264_HIGH:

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

  824.             break;

  825.         case FF_PROFILE_H264_HIGH_10:

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

  827.             break;

  828.         case FF_PROFILE_H264_HIGH_422:

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

  830.             break;

  831.         case FF_PROFILE_H264_HIGH_444:

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

  833.             break;

  834.         case FF_PROFILE_H264_MAIN:

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

  836.             break;

  837.         default:

  838.             break;

  839.         }

  840. 

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

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

  843. 

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

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

  846. 

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

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

  849. 

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

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

  852. 

  853.     if (x4->profile)

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

  855.             int i;

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

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

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

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

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

  861.             return AVERROR(EINVAL);

  862.         }

  863. 

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

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

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

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

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

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

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

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

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

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

  874.     } else {

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

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

  877.     }

  878. 

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

  880. 

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

  882.     if (avctx->thread_type)

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

  884. 

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

  886. 

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

  888. 

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

  890. 

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

  892.                                  avctx->pix_fmt == AV_PIX_FMT_YUVJ422P ||

  893.                                  avctx->pix_fmt == AV_PIX_FMT_YUVJ444P ||

  894.                                  avctx->color_range == AVCOL_RANGE_JPEG;

  895. 

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

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

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

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

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

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

  902. 

  903.     if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)

  904.         x4->params.b_repeat_headers = 0;

  905. 

  906.     if(x4->x264opts){

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

  908.         while(p){

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

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

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

  912.                 if (ret < 0)

  913.                     return ret;

  914.             } else {

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

  916.                 if (ret < 0)

  917.                     return ret;

  918.             }

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

  920.             p+=!!p;

  921.         }

  922.     }

  923. 

  924. 

  925.     {

  926.         AVDictionaryEntry *en = NULL;

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

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

  929.                av_log(avctx, AV_LOG_WARNING,

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

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

  932. #if X264_BUILD >= 161

  933.                if (ret == X264_PARAM_ALLOC_FAILED)

  934.                    return AVERROR(ENOMEM);

  935. #endif

  936.            }

  937.         }

  938.     }

  939. 

  940.     // update AVCodecContext with x264 parameters

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

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

  943.     if (avctx->max_b_frames < 0)

  944.         avctx->max_b_frames = 0;

  945. 

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

  947. 

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

  949.     if (!x4->enc)

  950.         return AVERROR_EXTERNAL;

  951. 

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

  953.         x264_nal_t *nal;

  954.         uint8_t *p;

  955.         int nnal, s, i;

  956. 

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

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

  959.         if (!p)

  960.             return AVERROR(ENOMEM);

  961. 

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

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

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

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

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

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

  968.                 if (!x4->sei)

  969.                     return AVERROR(ENOMEM);

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

  971.                 continue;

  972.             }

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

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

  975.         }

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

  977.     }

  978. 

  979.     cpb_props = ff_add_cpb_side_data(avctx);

  980.     if (!cpb_props)

  981.         return AVERROR(ENOMEM);

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

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

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

  985. 

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

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

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

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

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

  991.     if (!x4->reordered_opaque)

  992.         return AVERROR(ENOMEM);

  993. 

  994.     return 0;

  995. }

  996. 

  997. static const enum AVPixelFormat pix_fmts_8bit[] = {

  998.     AV_PIX_FMT_YUV420P,

  999.     AV_PIX_FMT_YUVJ420P,

  1000.     AV_PIX_FMT_YUV422P,

  1001.     AV_PIX_FMT_YUVJ422P,

  1002.     AV_PIX_FMT_YUV444P,

  1003.     AV_PIX_FMT_YUVJ444P,

  1004.     AV_PIX_FMT_NV12,

  1005.     AV_PIX_FMT_NV16,

  1006. #ifdef X264_CSP_NV21

  1007.     AV_PIX_FMT_NV21,

  1008. #endif

  1009.     AV_PIX_FMT_NONE

  1010. };

  1011. static const enum AVPixelFormat pix_fmts_9bit[] = {

  1012.     AV_PIX_FMT_YUV420P9,

  1013.     AV_PIX_FMT_YUV444P9,

  1014.     AV_PIX_FMT_NONE

  1015. };

  1016. static const enum AVPixelFormat pix_fmts_10bit[] = {

  1017.     AV_PIX_FMT_YUV420P10,

  1018.     AV_PIX_FMT_YUV422P10,

  1019.     AV_PIX_FMT_YUV444P10,

  1020.     AV_PIX_FMT_NV20,

  1021.     AV_PIX_FMT_NONE

  1022. };

  1023. static const enum AVPixelFormat pix_fmts_all[] = {

  1024.     AV_PIX_FMT_YUV420P,

  1025.     AV_PIX_FMT_YUVJ420P,

  1026.     AV_PIX_FMT_YUV422P,

  1027.     AV_PIX_FMT_YUVJ422P,

  1028.     AV_PIX_FMT_YUV444P,

  1029.     AV_PIX_FMT_YUVJ444P,

  1030.     AV_PIX_FMT_NV12,

  1031.     AV_PIX_FMT_NV16,

  1032. #ifdef X264_CSP_NV21

  1033.     AV_PIX_FMT_NV21,

  1034. #endif

  1035.     AV_PIX_FMT_YUV420P10,

  1036.     AV_PIX_FMT_YUV422P10,

  1037.     AV_PIX_FMT_YUV444P10,

  1038.     AV_PIX_FMT_NV20,

  1039. #ifdef X264_CSP_I400

  1040.     AV_PIX_FMT_GRAY8,

  1041.     AV_PIX_FMT_GRAY10,

  1042. #endif

  1043.     AV_PIX_FMT_NONE

  1044. };

  1045. #if CONFIG_LIBX264RGB_ENCODER

  1046. static const enum AVPixelFormat pix_fmts_8bit_rgb[] = {

  1047.     AV_PIX_FMT_BGR0,

  1048.     AV_PIX_FMT_BGR24,

  1049.     AV_PIX_FMT_RGB24,

  1050.     AV_PIX_FMT_NONE

  1051. };

  1052. #endif

  1053. 

  1054. #if X264_BUILD < 153

  1055. static av_cold void X264_init_static(AVCodec *codec)

  1056. {

  1057.     if (x264_bit_depth == 8)

  1058.         codec->pix_fmts = pix_fmts_8bit;

  1059.     else if (x264_bit_depth == 9)

  1060.         codec->pix_fmts = pix_fmts_9bit;

  1061.     else if (x264_bit_depth == 10)

  1062.         codec->pix_fmts = pix_fmts_10bit;

  1063. }

  1064. #endif

  1065. 

  1066. #define OFFSET(x) offsetof(X264Context, x)

  1067. #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

  1068. static const AVOption options[] = {

  1069.     { "preset",        "Set the encoding preset (cf. x264 --fullhelp)",   OFFSET(preset),        AV_OPT_TYPE_STRING, { .str = "medium" }, 0, 0, VE},

  1070.     { "tune",          "Tune the encoding params (cf. x264 --fullhelp)",  OFFSET(tune),          AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},

  1071.     { "profile",       "Set profile restrictions (cf. x264 --fullhelp) ", OFFSET(profile),       AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},

  1072.     { "fastfirstpass", "Use fast settings when encoding first pass",      OFFSET(fastfirstpass), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE},

  1073.     {"level", "Specify level (as defined by Annex A)", OFFSET(level), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},

  1074.     {"passlogfile", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},

  1075.     {"wpredp", "Weighted prediction for P-frames", OFFSET(wpredp), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},

  1076.     {"a53cc",          "Use A53 Closed Captions (if available)",          OFFSET(a53_cc),        AV_OPT_TYPE_BOOL,   {.i64 = 1}, 0, 1, VE},

  1077.     {"x264opts", "x264 options", OFFSET(x264opts), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},

  1078.     { "crf",           "Select the quality for constant quality mode",    OFFSET(crf),           AV_OPT_TYPE_FLOAT,  {.dbl = -1 }, -1, FLT_MAX, VE },

  1079.     { "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 },

  1080.     { "qp",            "Constant quantization parameter rate control method",OFFSET(cqp),        AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, INT_MAX, VE },

  1081.     { "aq-mode",       "AQ method",                                       OFFSET(aq_mode),       AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, INT_MAX, VE, "aq_mode"},

  1082.     { "none",          NULL,                              0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_NONE},         INT_MIN, INT_MAX, VE, "aq_mode" },

  1083.     { "variance",      "Variance AQ (complexity mask)",   0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_VARIANCE},     INT_MIN, INT_MAX, VE, "aq_mode" },

  1084.     { "autovariance",  "Auto-variance AQ",                0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },

  1085. #if X264_BUILD >= 144

  1086.     { "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" },

  1087. #endif

  1088.     { "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},

  1089.     { "psy",           "Use psychovisual optimizations.",                 OFFSET(psy),           AV_OPT_TYPE_BOOL,   { .i64 = -1 }, -1, 1, VE },

  1090.     { "psy-rd",        "Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> format.", OFFSET(psy_rd), AV_OPT_TYPE_STRING,  {0 }, 0, 0, VE},

  1091.     { "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 },

  1092.     { "weightb",       "Weighted prediction for B-frames.",               OFFSET(weightb),       AV_OPT_TYPE_BOOL,   { .i64 = -1 }, -1, 1, VE },

  1093.     { "weightp",       "Weighted prediction analysis method.",            OFFSET(weightp),       AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, INT_MAX, VE, "weightp" },

  1094.     { "none",          NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_NONE},   INT_MIN, INT_MAX, VE, "weightp" },

  1095.     { "simple",        NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SIMPLE}, INT_MIN, INT_MAX, VE, "weightp" },

  1096.     { "smart",         NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SMART},  INT_MIN, INT_MAX, VE, "weightp" },

  1097.     { "ssim",          "Calculate and print SSIM stats.",                 OFFSET(ssim),          AV_OPT_TYPE_BOOL,   { .i64 = -1 }, -1, 1, VE },

  1098.     { "intra-refresh", "Use Periodic Intra Refresh instead of IDR frames.",OFFSET(intra_refresh),AV_OPT_TYPE_BOOL,   { .i64 = -1 }, -1, 1, VE },

  1099.     { "bluray-compat", "Bluray compatibility workarounds.",               OFFSET(bluray_compat) ,AV_OPT_TYPE_BOOL,   { .i64 = -1 }, -1, 1, VE },

  1100.     { "b-bias",        "Influences how often B-frames are used",          OFFSET(b_bias),        AV_OPT_TYPE_INT,    { .i64 = INT_MIN}, INT_MIN, INT_MAX, VE },

  1101.     { "b-pyramid",     "Keep some B-frames as references.",               OFFSET(b_pyramid),     AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, INT_MAX, VE, "b_pyramid" },

  1102.     { "none",          NULL,                                  0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NONE},   INT_MIN, INT_MAX, VE, "b_pyramid" },

  1103.     { "strict",        "Strictly hierarchical pyramid",       0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_STRICT}, INT_MIN, INT_MAX, VE, "b_pyramid" },

  1104.     { "normal",        "Non-strict (not Blu-ray compatible)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NORMAL}, INT_MIN, INT_MAX, VE, "b_pyramid" },

  1105.     { "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 },

  1106.     { "8x8dct",        "High profile 8x8 transform.",                     OFFSET(dct8x8),        AV_OPT_TYPE_BOOL,   { .i64 = -1 }, -1, 1, VE},

  1107.     { "fast-pskip",    NULL,                                              OFFSET(fast_pskip),    AV_OPT_TYPE_BOOL,   { .i64 = -1 }, -1, 1, VE},

  1108.     { "aud",           "Use access unit delimiters.",                     OFFSET(aud),           AV_OPT_TYPE_BOOL,   { .i64 = -1 }, -1, 1, VE},

  1109.     { "mbtree",        "Use macroblock tree ratecontrol.",                OFFSET(mbtree),        AV_OPT_TYPE_BOOL,   { .i64 = -1 }, -1, 1, VE},

  1110.     { "deblock",       "Loop filter parameters, in <alpha:beta> form.",   OFFSET(deblock),       AV_OPT_TYPE_STRING, { 0 },  0, 0, VE},

  1111.     { "cplxblur",      "Reduce fluctuations in QP (before curve compression)", OFFSET(cplxblur), AV_OPT_TYPE_FLOAT,  {.dbl = -1 }, -1, FLT_MAX, VE},

  1112.     { "partitions",    "A comma-separated list of partitions to consider. "

  1113.                        "Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all", OFFSET(partitions), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},

  1114.     { "direct-pred",   "Direct MV prediction mode",                       OFFSET(direct_pred),   AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, INT_MAX, VE, "direct-pred" },

  1115.     { "none",          NULL,      0,    AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_NONE },     0, 0, VE, "direct-pred" },

  1116.     { "spatial",       NULL,      0,    AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_SPATIAL },  0, 0, VE, "direct-pred" },

  1117.     { "temporal",      NULL,      0,    AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_TEMPORAL }, 0, 0, VE, "direct-pred" },

  1118.     { "auto",          NULL,      0,    AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_AUTO },     0, 0, VE, "direct-pred" },

  1119.     { "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 },

  1120.     { "stats",         "Filename for 2 pass stats",                       OFFSET(stats),         AV_OPT_TYPE_STRING, { 0 },  0,       0, VE },

  1121.     { "nal-hrd",       "Signal HRD information (requires vbv-bufsize; "

  1122.                        "cbr not allowed in .mp4)",                        OFFSET(nal_hrd),       AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, INT_MAX, VE, "nal-hrd" },

  1123.     { "none",          NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_NONE}, INT_MIN, INT_MAX, VE, "nal-hrd" },

  1124.     { "vbr",           NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_VBR},  INT_MIN, INT_MAX, VE, "nal-hrd" },

  1125.     { "cbr",           NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_CBR},  INT_MIN, INT_MAX, VE, "nal-hrd" },

  1126.     { "avcintra-class","AVC-Intra class 50/100/200",                      OFFSET(avcintra_class),AV_OPT_TYPE_INT,     { .i64 = -1 }, -1, 200   , VE},

  1127.     { "me_method",    "Set motion estimation method",                     OFFSET(motion_est),    AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, X264_ME_TESA, VE, "motion-est"},

  1128.     { "motion-est",   "Set motion estimation method",                     OFFSET(motion_est),    AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, X264_ME_TESA, VE, "motion-est"},

  1129.     { "dia",           NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_DIA },  INT_MIN, INT_MAX, VE, "motion-est" },

  1130.     { "hex",           NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_HEX },  INT_MIN, INT_MAX, VE, "motion-est" },

  1131.     { "umh",           NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_UMH },  INT_MIN, INT_MAX, VE, "motion-est" },

  1132.     { "esa",           NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_ESA },  INT_MIN, INT_MAX, VE, "motion-est" },

  1133.     { "tesa",          NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_TESA }, INT_MIN, INT_MAX, VE, "motion-est" },

  1134.     { "forced-idr",   "If forcing keyframes, force them as IDR frames.",                                  OFFSET(forced_idr),  AV_OPT_TYPE_BOOL,   { .i64 = 0 }, -1, 1, VE },

  1135.     { "coder",    "Coder type",                                           OFFSET(coder), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE, "coder" },

  1136.     { "default",          NULL, 0, AV_OPT_TYPE_CONST, { .i64 = -1 }, INT_MIN, INT_MAX, VE, "coder" },

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

  1138.     { "cabac",            NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 },  INT_MIN, INT_MAX, VE, "coder" },

  1139.     { "vlc",              NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 },  INT_MIN, INT_MAX, VE, "coder" },

  1140.     { "ac",               NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 },  INT_MIN, INT_MAX, VE, "coder" },

  1141.     { "b_strategy",   "Strategy to choose between I/P/B-frames",          OFFSET(b_frame_strategy), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 2, VE },

  1142.     { "chromaoffset", "QP difference between chroma and luma",            OFFSET(chroma_offset), AV_OPT_TYPE_INT, { .i64 = 0 }, INT_MIN, INT_MAX, VE },

  1143.     { "sc_threshold", "Scene change threshold",                           OFFSET(scenechange_threshold), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },

  1144.     { "noise_reduction", "Noise reduction",                               OFFSET(noise_reduction), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },

  1145. 

  1146.     { "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 },

  1147.     { NULL },

  1148. };

  1149. 

  1150. static const AVCodecDefault x264_defaults[] = {

  1151.     { "b",                "0" },

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

  1153.     { "flags2",           "0" },

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

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

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

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

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

  1159.     { "qdiff",            "-1" },

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

  1161.     { "qcomp",            "-1" },

  1162. //     { "rc_lookahead",     "-1" },

  1163.     { "refs",             "-1" },

  1164. #if FF_API_PRIVATE_OPT

  1165.     { "sc_threshold",     "-1" },

  1166. #endif

  1167.     { "trellis",          "-1" },

  1168. #if FF_API_PRIVATE_OPT

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

  1170. #endif

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

  1172.     { "subq",             "-1" },

  1173. #if FF_API_PRIVATE_OPT

  1174.     { "b_strategy",       "-1" },

  1175. #endif

  1176.     { "keyint_min",       "-1" },

  1177. #if FF_API_CODER_TYPE

  1178.     { "coder",            "-1" },

  1179. #endif

  1180.     { "cmp",              "-1" },

  1181.     { "threads",          AV_STRINGIFY(X264_THREADS_AUTO) },

  1182.     { "thread_type",      "0" },

  1183.     { "flags",            "+cgop" },

  1184.     { "rc_init_occupancy","-1" },

  1185.     { NULL },

  1186. };

  1187. 

  1188. #if CONFIG_LIBX264_ENCODER

  1189. static const AVClass x264_class = {

  1190.     .class_name = "libx264",

  1191.     .item_name  = av_default_item_name,

  1192.     .option     = options,

  1193.     .version    = LIBAVUTIL_VERSION_INT,

  1194. };

  1195. 

  1196. AVCodec ff_libx264_encoder = {

  1197.     .name             = "libx264",

  1198.     .long_name        = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),

  1199.     .type             = AVMEDIA_TYPE_VIDEO,

  1200.     .id               = AV_CODEC_ID_H264,

  1201.     .priv_data_size   = sizeof(X264Context),

  1202.     .init             = X264_init,

  1203.     .encode2          = X264_frame,

  1204.     .close            = X264_close,

  1205.     .capabilities     = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS |

  1206.                         AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,

  1207.     .priv_class       = &x264_class,

  1208.     .defaults         = x264_defaults,

  1209. #if X264_BUILD < 153

  1210.     .init_static_data = X264_init_static,

  1211. #else

  1212.     .pix_fmts         = pix_fmts_all,

  1213. #endif

  1214. #if X264_BUILD >= 158

  1215.     .caps_internal    = FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_INIT_THREADSAFE,

  1216. #else

  1217.     .caps_internal    = FF_CODEC_CAP_INIT_CLEANUP,

  1218. #endif

  1219.     .wrapper_name     = "libx264",

  1220. };

  1221. #endif

  1222. 

  1223. #if CONFIG_LIBX264RGB_ENCODER

  1224. static const AVClass rgbclass = {

  1225.     .class_name = "libx264rgb",

  1226.     .item_name  = av_default_item_name,

  1227.     .option     = options,

  1228.     .version    = LIBAVUTIL_VERSION_INT,

  1229. };

  1230. 

  1231. AVCodec ff_libx264rgb_encoder = {

  1232.     .name           = "libx264rgb",

  1233.     .long_name      = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB"),

  1234.     .type           = AVMEDIA_TYPE_VIDEO,

  1235.     .id             = AV_CODEC_ID_H264,

  1236.     .priv_data_size = sizeof(X264Context),

  1237.     .init           = X264_init,

  1238.     .encode2        = X264_frame,

  1239.     .close          = X264_close,

  1240.     .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS |

  1241.                       AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,

  1242.     .priv_class     = &rgbclass,

  1243.     .defaults       = x264_defaults,

  1244.     .pix_fmts       = pix_fmts_8bit_rgb,

  1245. #if X264_BUILD >= 158

  1246.     .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_INIT_THREADSAFE,

  1247. #else

  1248.     .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,

  1249. #endif

  1250.     .wrapper_name   = "libx264",

  1251. };

  1252. #endif

  1253. 

  1254. #if CONFIG_LIBX262_ENCODER

  1255. static const AVClass X262_class = {

  1256.     .class_name = "libx262",

  1257.     .item_name  = av_default_item_name,

  1258.     .option     = options,

  1259.     .version    = LIBAVUTIL_VERSION_INT,

  1260. };

  1261. 

  1262. AVCodec ff_libx262_encoder = {

  1263.     .name             = "libx262",

  1264.     .long_name        = NULL_IF_CONFIG_SMALL("libx262 MPEG2VIDEO"),

  1265.     .type             = AVMEDIA_TYPE_VIDEO,

  1266.     .id               = AV_CODEC_ID_MPEG2VIDEO,

  1267.     .priv_data_size   = sizeof(X264Context),

  1268.     .init             = X264_init,

  1269.     .encode2          = X264_frame,

  1270.     .close            = X264_close,

  1271.     .capabilities     = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS |

  1272.                         AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,

  1273.     .priv_class       = &X262_class,

  1274.     .defaults         = x264_defaults,

  1275.     .pix_fmts         = pix_fmts_8bit,

  1276.     .caps_internal    = FF_CODEC_CAP_INIT_CLEANUP,

  1277.     .wrapper_name     = "libx264",

  1278. };

  1279. #endif