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FFmpeg/libavcodec/libaomenc.c

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  1. /*

  2.  * Copyright (c) 2010, Google, Inc.

  3.  *

  4.  * This file is part of FFmpeg.

  5.  *

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

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

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

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

  10.  *

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

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

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

  14.  * Lesser General Public License for more details.

  15.  *

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

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

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

  19.  */

  20. 

  21. /**

  22.  * @file

  23.  * AV1 encoder support via libaom

  24.  */

  25. 

  26. #define AOM_DISABLE_CTRL_TYPECHECKS 1

  27. #include <aom/aom_encoder.h>

  28. #include <aom/aomcx.h>

  29. 

  30. #include "libavutil/avassert.h"

  31. #include "libavutil/base64.h"

  32. #include "libavutil/common.h"

  33. #include "libavutil/mathematics.h"

  34. #include "libavutil/opt.h"

  35. #include "libavutil/pixdesc.h"

  36. 

  37. #include "av1.h"

  38. #include "avcodec.h"

  39. #include "internal.h"

  40. #include "packet_internal.h"

  41. #include "profiles.h"

  42. 

  43. /*

  44.  * Portion of struct aom_codec_cx_pkt from aom_encoder.h.

  45.  * One encoded frame returned from the library.

  46.  */

  47. struct FrameListData {

  48.     void *buf;                       /**< compressed data buffer */

  49.     size_t sz;                       /**< length of compressed data */

  50.     int64_t pts;                     /**< time stamp to show frame

  51.                                           (in timebase units) */

  52.     unsigned long duration;          /**< duration to show frame

  53.                                           (in timebase units) */

  54.     uint32_t flags;                  /**< flags for this frame */

  55.     uint64_t sse[4];

  56.     int have_sse;                    /**< true if we have pending sse[] */

  57.     uint64_t frame_number;

  58.     struct FrameListData *next;

  59. };

  60. 

  61. typedef struct AOMEncoderContext {

  62.     AVClass *class;

  63.     AVBSFContext *bsf;

  64.     struct aom_codec_ctx encoder;

  65.     struct aom_image rawimg;

  66.     struct aom_fixed_buf twopass_stats;

  67.     struct FrameListData *coded_frame_list;

  68.     int cpu_used;

  69.     int auto_alt_ref;

  70.     int arnr_max_frames;

  71.     int arnr_strength;

  72.     int aq_mode;

  73.     int lag_in_frames;

  74.     int error_resilient;

  75.     int crf;

  76.     int static_thresh;

  77.     int drop_threshold;

  78.     int denoise_noise_level;

  79.     int denoise_block_size;

  80.     uint64_t sse[4];

  81.     int have_sse; /**< true if we have pending sse[] */

  82.     uint64_t frame_number;

  83.     int rc_undershoot_pct;

  84.     int rc_overshoot_pct;

  85.     int minsection_pct;

  86.     int maxsection_pct;

  87.     int frame_parallel;

  88.     int tile_cols, tile_rows;

  89.     int tile_cols_log2, tile_rows_log2;

  90.     aom_superblock_size_t superblock_size;

  91.     int uniform_tiles;

  92.     int row_mt;

  93.     int enable_cdef;

  94.     int enable_global_motion;

  95.     int enable_intrabc;

  96.     int enable_restoration;

  97.     int usage;

  98.     int tune;

  99.     int enable_rect_partitions;

  100.     int enable_1to4_partitions;

  101.     int enable_ab_partitions;

  102.     int enable_angle_delta;

  103.     int enable_cfl_intra;

  104.     int enable_paeth_intra;

  105.     int enable_smooth_intra;

  106.     int enable_intra_edge_filter;

  107.     int enable_palette;

  108.     int enable_filter_intra;

  109. } AOMContext;

  110. 

  111. static const char *const ctlidstr[] = {

  112.     [AOME_SET_CPUUSED]          = "AOME_SET_CPUUSED",

  113.     [AOME_SET_CQ_LEVEL]         = "AOME_SET_CQ_LEVEL",

  114.     [AOME_SET_ENABLEAUTOALTREF] = "AOME_SET_ENABLEAUTOALTREF",

  115.     [AOME_SET_ARNR_MAXFRAMES]   = "AOME_SET_ARNR_MAXFRAMES",

  116.     [AOME_SET_ARNR_STRENGTH]    = "AOME_SET_ARNR_STRENGTH",

  117.     [AOME_SET_STATIC_THRESHOLD] = "AOME_SET_STATIC_THRESHOLD",

  118.     [AV1E_SET_COLOR_RANGE]      = "AV1E_SET_COLOR_RANGE",

  119.     [AV1E_SET_COLOR_PRIMARIES]  = "AV1E_SET_COLOR_PRIMARIES",

  120.     [AV1E_SET_MATRIX_COEFFICIENTS] = "AV1E_SET_MATRIX_COEFFICIENTS",

  121.     [AV1E_SET_TRANSFER_CHARACTERISTICS] = "AV1E_SET_TRANSFER_CHARACTERISTICS",

  122.     [AV1E_SET_AQ_MODE]          = "AV1E_SET_AQ_MODE",

  123.     [AV1E_SET_FRAME_PARALLEL_DECODING] = "AV1E_SET_FRAME_PARALLEL_DECODING",

  124.     [AV1E_SET_SUPERBLOCK_SIZE]  = "AV1E_SET_SUPERBLOCK_SIZE",

  125.     [AV1E_SET_TILE_COLUMNS]     = "AV1E_SET_TILE_COLUMNS",

  126.     [AV1E_SET_TILE_ROWS]        = "AV1E_SET_TILE_ROWS",

  127.     [AV1E_SET_ENABLE_RESTORATION] = "AV1E_SET_ENABLE_RESTORATION",

  128. #ifdef AOM_CTRL_AV1E_SET_ROW_MT

  129.     [AV1E_SET_ROW_MT]           = "AV1E_SET_ROW_MT",

  130. #endif

  131. #ifdef AOM_CTRL_AV1E_SET_DENOISE_NOISE_LEVEL

  132.     [AV1E_SET_DENOISE_NOISE_LEVEL] =  "AV1E_SET_DENOISE_NOISE_LEVEL",

  133. #endif

  134. #ifdef AOM_CTRL_AV1E_SET_DENOISE_BLOCK_SIZE

  135.     [AV1E_SET_DENOISE_BLOCK_SIZE] =   "AV1E_SET_DENOISE_BLOCK_SIZE",

  136. #endif

  137. #ifdef AOM_CTRL_AV1E_SET_MAX_REFERENCE_FRAMES

  138.     [AV1E_SET_MAX_REFERENCE_FRAMES] = "AV1E_SET_MAX_REFERENCE_FRAMES",

  139. #endif

  140. #ifdef AOM_CTRL_AV1E_SET_ENABLE_GLOBAL_MOTION

  141.     [AV1E_SET_ENABLE_GLOBAL_MOTION] = "AV1E_SET_ENABLE_GLOBAL_MOTION",

  142. #endif

  143. #ifdef AOM_CTRL_AV1E_SET_ENABLE_INTRABC

  144.     [AV1E_SET_ENABLE_INTRABC]   = "AV1E_SET_ENABLE_INTRABC",

  145. #endif

  146.     [AV1E_SET_ENABLE_CDEF]      = "AV1E_SET_ENABLE_CDEF",

  147.     [AOME_SET_TUNING]           = "AOME_SET_TUNING",

  148. #if AOM_ENCODER_ABI_VERSION >= 22

  149.     [AV1E_SET_ENABLE_1TO4_PARTITIONS] = "AV1E_SET_ENABLE_1TO4_PARTITIONS",

  150.     [AV1E_SET_ENABLE_AB_PARTITIONS]   = "AV1E_SET_ENABLE_AB_PARTITIONS",

  151.     [AV1E_SET_ENABLE_RECT_PARTITIONS] = "AV1E_SET_ENABLE_RECT_PARTITIONS",

  152.     [AV1E_SET_ENABLE_ANGLE_DELTA]       = "AV1E_SET_ENABLE_ANGLE_DELTA",

  153.     [AV1E_SET_ENABLE_CFL_INTRA]         = "AV1E_SET_ENABLE_CFL_INTRA",

  154.     [AV1E_SET_ENABLE_FILTER_INTRA]      = "AV1E_SET_ENABLE_FILTER_INTRA",

  155.     [AV1E_SET_ENABLE_INTRA_EDGE_FILTER] = "AV1E_SET_ENABLE_INTRA_EDGE_FILTER",

  156.     [AV1E_SET_ENABLE_PAETH_INTRA]       = "AV1E_SET_ENABLE_PAETH_INTRA",

  157.     [AV1E_SET_ENABLE_SMOOTH_INTRA]      = "AV1E_SET_ENABLE_SMOOTH_INTRA",

  158.     [AV1E_SET_ENABLE_PALETTE]           = "AV1E_SET_ENABLE_PALETTE",

  159. #endif

  160. };

  161. 

  162. static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc)

  163. {

  164.     AOMContext *ctx    = avctx->priv_data;

  165.     const char *error  = aom_codec_error(&ctx->encoder);

  166.     const char *detail = aom_codec_error_detail(&ctx->encoder);

  167. 

  168.     av_log(avctx, AV_LOG_ERROR, "%s: %s\n", desc, error);

  169.     if (detail)

  170.         av_log(avctx, AV_LOG_ERROR, "  Additional information: %s\n", detail);

  171. }

  172. 

  173. static av_cold void dump_enc_cfg(AVCodecContext *avctx,

  174.                                  const struct aom_codec_enc_cfg *cfg)

  175. {

  176.     int width = -30;

  177.     int level = AV_LOG_DEBUG;

  178. 

  179.     av_log(avctx, level, "aom_codec_enc_cfg\n");

  180.     av_log(avctx, level, "generic settings\n"

  181.                          "  %*s%u\n  %*s%u\n  %*s%u\n  %*s%u\n  %*s%u\n"

  182.                          "  %*s%u\n  %*s%u\n"

  183.                          "  %*s{%u/%u}\n  %*s%u\n  %*s%d\n  %*s%u\n",

  184.            width, "g_usage:",           cfg->g_usage,

  185.            width, "g_threads:",         cfg->g_threads,

  186.            width, "g_profile:",         cfg->g_profile,

  187.            width, "g_w:",               cfg->g_w,

  188.            width, "g_h:",               cfg->g_h,

  189.            width, "g_bit_depth:",       cfg->g_bit_depth,

  190.            width, "g_input_bit_depth:", cfg->g_input_bit_depth,

  191.            width, "g_timebase:",        cfg->g_timebase.num, cfg->g_timebase.den,

  192.            width, "g_error_resilient:", cfg->g_error_resilient,

  193.            width, "g_pass:",            cfg->g_pass,

  194.            width, "g_lag_in_frames:",   cfg->g_lag_in_frames);

  195.     av_log(avctx, level, "rate control settings\n"

  196.                          "  %*s%u\n  %*s%d\n  %*s%p(%"SIZE_SPECIFIER")\n  %*s%u\n",

  197.            width, "rc_dropframe_thresh:", cfg->rc_dropframe_thresh,

  198.            width, "rc_end_usage:",        cfg->rc_end_usage,

  199.            width, "rc_twopass_stats_in:", cfg->rc_twopass_stats_in.buf, cfg->rc_twopass_stats_in.sz,

  200.            width, "rc_target_bitrate:",   cfg->rc_target_bitrate);

  201.     av_log(avctx, level, "quantizer settings\n"

  202.                          "  %*s%u\n  %*s%u\n",

  203.            width, "rc_min_quantizer:", cfg->rc_min_quantizer,

  204.            width, "rc_max_quantizer:", cfg->rc_max_quantizer);

  205.     av_log(avctx, level, "bitrate tolerance\n"

  206.                          "  %*s%u\n  %*s%u\n",

  207.            width, "rc_undershoot_pct:", cfg->rc_undershoot_pct,

  208.            width, "rc_overshoot_pct:",  cfg->rc_overshoot_pct);

  209.     av_log(avctx, level, "decoder buffer model\n"

  210.                          "  %*s%u\n  %*s%u\n  %*s%u\n",

  211.            width, "rc_buf_sz:",         cfg->rc_buf_sz,

  212.            width, "rc_buf_initial_sz:", cfg->rc_buf_initial_sz,

  213.            width, "rc_buf_optimal_sz:", cfg->rc_buf_optimal_sz);

  214.     av_log(avctx, level, "2 pass rate control settings\n"

  215.                          "  %*s%u\n  %*s%u\n  %*s%u\n",

  216.            width, "rc_2pass_vbr_bias_pct:",       cfg->rc_2pass_vbr_bias_pct,

  217.            width, "rc_2pass_vbr_minsection_pct:", cfg->rc_2pass_vbr_minsection_pct,

  218.            width, "rc_2pass_vbr_maxsection_pct:", cfg->rc_2pass_vbr_maxsection_pct);

  219.     av_log(avctx, level, "keyframing settings\n"

  220.                          "  %*s%d\n  %*s%u\n  %*s%u\n",

  221.            width, "kf_mode:",     cfg->kf_mode,

  222.            width, "kf_min_dist:", cfg->kf_min_dist,

  223.            width, "kf_max_dist:", cfg->kf_max_dist);

  224.     av_log(avctx, level, "tile settings\n"

  225.                          "  %*s%d\n  %*s%d\n",

  226.            width, "tile_width_count:",  cfg->tile_width_count,

  227.            width, "tile_height_count:", cfg->tile_height_count);

  228.     av_log(avctx, level, "\n");

  229. }

  230. 

  231. static void coded_frame_add(void *list, struct FrameListData *cx_frame)

  232. {

  233.     struct FrameListData **p = list;

  234. 

  235.     while (*p)

  236.         p = &(*p)->next;

  237.     *p = cx_frame;

  238.     cx_frame->next = NULL;

  239. }

  240. 

  241. static av_cold void free_coded_frame(struct FrameListData *cx_frame)

  242. {

  243.     av_freep(&cx_frame->buf);

  244.     av_freep(&cx_frame);

  245. }

  246. 

  247. static av_cold void free_frame_list(struct FrameListData *list)

  248. {

  249.     struct FrameListData *p = list;

  250. 

  251.     while (p) {

  252.         list = list->next;

  253.         free_coded_frame(p);

  254.         p = list;

  255.     }

  256. }

  257. 

  258. static av_cold int codecctl_int(AVCodecContext *avctx,

  259. #ifdef UENUM1BYTE

  260.                                 aome_enc_control_id id,

  261. #else

  262.                                 enum aome_enc_control_id id,

  263. #endif

  264.                                 int val)

  265. {

  266.     AOMContext *ctx = avctx->priv_data;

  267.     char buf[80];

  268.     int width = -30;

  269.     int res;

  270. 

  271.     snprintf(buf, sizeof(buf), "%s:", ctlidstr[id]);

  272.     av_log(avctx, AV_LOG_DEBUG, "  %*s%d\n", width, buf, val);

  273. 

  274.     res = aom_codec_control(&ctx->encoder, id, val);

  275.     if (res != AOM_CODEC_OK) {

  276.         snprintf(buf, sizeof(buf), "Failed to set %s codec control",

  277.                  ctlidstr[id]);

  278.         log_encoder_error(avctx, buf);

  279.         return AVERROR(EINVAL);

  280.     }

  281. 

  282.     return 0;

  283. }

  284. 

  285. static av_cold int aom_free(AVCodecContext *avctx)

  286. {

  287.     AOMContext *ctx = avctx->priv_data;

  288. 

  289.     aom_codec_destroy(&ctx->encoder);

  290.     av_freep(&ctx->twopass_stats.buf);

  291.     av_freep(&avctx->stats_out);

  292.     free_frame_list(ctx->coded_frame_list);

  293.     av_bsf_free(&ctx->bsf);

  294.     return 0;

  295. }

  296. 

  297. static int set_pix_fmt(AVCodecContext *avctx, aom_codec_caps_t codec_caps,

  298.                        struct aom_codec_enc_cfg *enccfg, aom_codec_flags_t *flags,

  299.                        aom_img_fmt_t *img_fmt)

  300. {

  301.     AOMContext av_unused *ctx = avctx->priv_data;

  302.     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);

  303.     enccfg->g_bit_depth = enccfg->g_input_bit_depth = desc->comp[0].depth;

  304.     switch (avctx->pix_fmt) {

  305.     case AV_PIX_FMT_YUV420P:

  306.         enccfg->g_profile = FF_PROFILE_AV1_MAIN;

  307.         *img_fmt = AOM_IMG_FMT_I420;

  308.         return 0;

  309.     case AV_PIX_FMT_YUV422P:

  310.         enccfg->g_profile = FF_PROFILE_AV1_PROFESSIONAL;

  311.         *img_fmt = AOM_IMG_FMT_I422;

  312.         return 0;

  313.     case AV_PIX_FMT_YUV444P:

  314.     case AV_PIX_FMT_GBRP:

  315.         enccfg->g_profile = FF_PROFILE_AV1_HIGH;

  316.         *img_fmt = AOM_IMG_FMT_I444;

  317.         return 0;

  318.     case AV_PIX_FMT_YUV420P10:

  319.     case AV_PIX_FMT_YUV420P12:

  320.         if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {

  321.             enccfg->g_profile =

  322.                 enccfg->g_bit_depth == 10 ? FF_PROFILE_AV1_MAIN : FF_PROFILE_AV1_PROFESSIONAL;

  323.             *img_fmt = AOM_IMG_FMT_I42016;

  324.             *flags |= AOM_CODEC_USE_HIGHBITDEPTH;

  325.             return 0;

  326.         }

  327.         break;

  328.     case AV_PIX_FMT_YUV422P10:

  329.     case AV_PIX_FMT_YUV422P12:

  330.         if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {

  331.             enccfg->g_profile = FF_PROFILE_AV1_PROFESSIONAL;

  332.             *img_fmt = AOM_IMG_FMT_I42216;

  333.             *flags |= AOM_CODEC_USE_HIGHBITDEPTH;

  334.             return 0;

  335.         }

  336.         break;

  337.     case AV_PIX_FMT_YUV444P10:

  338.     case AV_PIX_FMT_YUV444P12:

  339.     case AV_PIX_FMT_GBRP10:

  340.     case AV_PIX_FMT_GBRP12:

  341.         if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {

  342.             enccfg->g_profile =

  343.                 enccfg->g_bit_depth == 10 ? FF_PROFILE_AV1_HIGH : FF_PROFILE_AV1_PROFESSIONAL;

  344.             *img_fmt = AOM_IMG_FMT_I44416;

  345.             *flags |= AOM_CODEC_USE_HIGHBITDEPTH;

  346.             return 0;

  347.         }

  348.         break;

  349.     default:

  350.         break;

  351.     }

  352.     av_log(avctx, AV_LOG_ERROR, "Unsupported pixel format.\n");

  353.     return AVERROR_INVALIDDATA;

  354. }

  355. 

  356. static void set_color_range(AVCodecContext *avctx)

  357. {

  358.     aom_color_range_t aom_cr;

  359.     switch (avctx->color_range) {

  360.     case AVCOL_RANGE_UNSPECIFIED:

  361.     case AVCOL_RANGE_MPEG:       aom_cr = AOM_CR_STUDIO_RANGE; break;

  362.     case AVCOL_RANGE_JPEG:       aom_cr = AOM_CR_FULL_RANGE;   break;

  363.     default:

  364.         av_log(avctx, AV_LOG_WARNING, "Unsupported color range (%d)\n",

  365.                avctx->color_range);

  366.         return;

  367.     }

  368. 

  369.     codecctl_int(avctx, AV1E_SET_COLOR_RANGE, aom_cr);

  370. }

  371. 

  372. static int count_uniform_tiling(int dim, int sb_size, int tiles_log2)

  373. {

  374.     int sb_dim   = (dim + sb_size - 1) / sb_size;

  375.     int tile_dim = (sb_dim + (1 << tiles_log2) - 1) >> tiles_log2;

  376.     av_assert0(tile_dim > 0);

  377.     return (sb_dim + tile_dim - 1) / tile_dim;

  378. }

  379. 

  380. static int choose_tiling(AVCodecContext *avctx,

  381.                          struct aom_codec_enc_cfg *enccfg)

  382. {

  383.     AOMContext *ctx = avctx->priv_data;

  384.     int sb_128x128_possible, sb_size, sb_width, sb_height;

  385.     int uniform_rows, uniform_cols;

  386.     int uniform_64x64_possible, uniform_128x128_possible;

  387.     int tile_size, rounding, i;

  388. 

  389.     if (ctx->tile_cols_log2 >= 0)

  390.         ctx->tile_cols = 1 << ctx->tile_cols_log2;

  391.     if (ctx->tile_rows_log2 >= 0)

  392.         ctx->tile_rows = 1 << ctx->tile_rows_log2;

  393. 

  394.     if (ctx->tile_cols == 0) {

  395.         ctx->tile_cols = (avctx->width + AV1_MAX_TILE_WIDTH - 1) /

  396.             AV1_MAX_TILE_WIDTH;

  397.         if (ctx->tile_cols > 1) {

  398.             av_log(avctx, AV_LOG_DEBUG, "Automatically using %d tile "

  399.                    "columns to fill width.\n", ctx->tile_cols);

  400.         }

  401.     }

  402.     av_assert0(ctx->tile_cols > 0);

  403.     if (ctx->tile_rows == 0) {

  404.         int max_tile_width =

  405.             FFALIGN((FFALIGN(avctx->width, 128) +

  406.                      ctx->tile_cols - 1) / ctx->tile_cols, 128);

  407.         ctx->tile_rows =

  408.             (max_tile_width * FFALIGN(avctx->height, 128) +

  409.              AV1_MAX_TILE_AREA - 1) / AV1_MAX_TILE_AREA;

  410.         if (ctx->tile_rows > 1) {

  411.             av_log(avctx, AV_LOG_DEBUG, "Automatically using %d tile "

  412.                    "rows to fill area.\n", ctx->tile_rows);

  413.         }

  414.     }

  415.     av_assert0(ctx->tile_rows > 0);

  416. 

  417.     if ((avctx->width  + 63) / 64 < ctx->tile_cols ||

  418.         (avctx->height + 63) / 64 < ctx->tile_rows) {

  419.         av_log(avctx, AV_LOG_ERROR, "Invalid tile sizing: frame not "

  420.                "large enough to fit specified tile arrangement.\n");

  421.         return AVERROR(EINVAL);

  422.     }

  423.     if (ctx->tile_cols > AV1_MAX_TILE_COLS ||

  424.         ctx->tile_rows > AV1_MAX_TILE_ROWS) {

  425.         av_log(avctx, AV_LOG_ERROR, "Invalid tile sizing: AV1 does "

  426.                "not allow more than %dx%d tiles.\n",

  427.                AV1_MAX_TILE_COLS, AV1_MAX_TILE_ROWS);

  428.         return AVERROR(EINVAL);

  429.     }

  430.     if (avctx->width / ctx->tile_cols > AV1_MAX_TILE_WIDTH) {

  431.         av_log(avctx, AV_LOG_ERROR, "Invalid tile sizing: AV1 does "

  432.                "not allow tiles of width greater than %d.\n",

  433.                AV1_MAX_TILE_WIDTH);

  434.         return AVERROR(EINVAL);

  435.     }

  436. 

  437.     ctx->superblock_size = AOM_SUPERBLOCK_SIZE_DYNAMIC;

  438. 

  439.     if (ctx->tile_cols == 1 && ctx->tile_rows == 1) {

  440.         av_log(avctx, AV_LOG_DEBUG, "Using a single tile.\n");

  441.         return 0;

  442.     }

  443. 

  444.     sb_128x128_possible =

  445.         (avctx->width  + 127) / 128 >= ctx->tile_cols &&

  446.         (avctx->height + 127) / 128 >= ctx->tile_rows;

  447. 

  448.     ctx->tile_cols_log2 = ctx->tile_cols == 1 ? 0 :

  449.         av_log2(ctx->tile_cols - 1) + 1;

  450.     ctx->tile_rows_log2 = ctx->tile_rows == 1 ? 0 :

  451.         av_log2(ctx->tile_rows - 1) + 1;

  452. 

  453.     uniform_cols = count_uniform_tiling(avctx->width,

  454.                                         64, ctx->tile_cols_log2);

  455.     uniform_rows = count_uniform_tiling(avctx->height,

  456.                                         64, ctx->tile_rows_log2);

  457.     av_log(avctx, AV_LOG_DEBUG, "Uniform with 64x64 superblocks "

  458.            "-> %dx%d tiles.\n", uniform_cols, uniform_rows);

  459.     uniform_64x64_possible = uniform_cols == ctx->tile_cols &&

  460.                              uniform_rows == ctx->tile_rows;

  461. 

  462.     if (sb_128x128_possible) {

  463.         uniform_cols = count_uniform_tiling(avctx->width,

  464.                                             128, ctx->tile_cols_log2);

  465.         uniform_rows = count_uniform_tiling(avctx->height,

  466.                                             128, ctx->tile_rows_log2);

  467.         av_log(avctx, AV_LOG_DEBUG, "Uniform with 128x128 superblocks "

  468.                "-> %dx%d tiles.\n", uniform_cols, uniform_rows);

  469.         uniform_128x128_possible = uniform_cols == ctx->tile_cols &&

  470.                                    uniform_rows == ctx->tile_rows;

  471.     } else {

  472.         av_log(avctx, AV_LOG_DEBUG, "128x128 superblocks not possible.\n");

  473.         uniform_128x128_possible = 0;

  474.     }

  475. 

  476.     ctx->uniform_tiles = 1;

  477.     if (uniform_64x64_possible && uniform_128x128_possible) {

  478.         av_log(avctx, AV_LOG_DEBUG, "Using uniform tiling with dynamic "

  479.                "superblocks (tile_cols_log2 = %d, tile_rows_log2 = %d).\n",

  480.                ctx->tile_cols_log2, ctx->tile_rows_log2);

  481.         return 0;

  482.     }

  483.     if (uniform_64x64_possible && !sb_128x128_possible) {

  484.         av_log(avctx, AV_LOG_DEBUG, "Using uniform tiling with 64x64 "

  485.                "superblocks (tile_cols_log2 = %d, tile_rows_log2 = %d).\n",

  486.                ctx->tile_cols_log2, ctx->tile_rows_log2);

  487.         ctx->superblock_size = AOM_SUPERBLOCK_SIZE_64X64;

  488.         return 0;

  489.     }

  490.     if (uniform_128x128_possible) {

  491.         av_log(avctx, AV_LOG_DEBUG, "Using uniform tiling with 128x128 "

  492.                "superblocks (tile_cols_log2 = %d, tile_rows_log2 = %d).\n",

  493.                ctx->tile_cols_log2, ctx->tile_rows_log2);

  494.         ctx->superblock_size = AOM_SUPERBLOCK_SIZE_128X128;

  495.         return 0;

  496.     }

  497.     ctx->uniform_tiles = 0;

  498. 

  499.     if (sb_128x128_possible) {

  500.         sb_size = 128;

  501.         ctx->superblock_size = AOM_SUPERBLOCK_SIZE_128X128;

  502.     } else {

  503.         sb_size = 64;

  504.         ctx->superblock_size = AOM_SUPERBLOCK_SIZE_64X64;

  505.     }

  506.     av_log(avctx, AV_LOG_DEBUG, "Using fixed tiling with %dx%d "

  507.            "superblocks (tile_cols = %d, tile_rows = %d).\n",

  508.            sb_size, sb_size, ctx->tile_cols, ctx->tile_rows);

  509. 

  510.     enccfg->tile_width_count  = ctx->tile_cols;

  511.     enccfg->tile_height_count = ctx->tile_rows;

  512. 

  513.     sb_width  = (avctx->width  + sb_size - 1) / sb_size;

  514.     sb_height = (avctx->height + sb_size - 1) / sb_size;

  515. 

  516.     tile_size = sb_width / ctx->tile_cols;

  517.     rounding  = sb_width % ctx->tile_cols;

  518.     for (i = 0; i < ctx->tile_cols; i++) {

  519.         enccfg->tile_widths[i] = tile_size +

  520.             (i < rounding / 2 ||

  521.              i > ctx->tile_cols - 1 - (rounding + 1) / 2);

  522.     }

  523. 

  524.     tile_size = sb_height / ctx->tile_rows;

  525.     rounding  = sb_height % ctx->tile_rows;

  526.     for (i = 0; i < ctx->tile_rows; i++) {

  527.         enccfg->tile_heights[i] = tile_size +

  528.             (i < rounding / 2 ||

  529.              i > ctx->tile_rows - 1 - (rounding + 1) / 2);

  530.     }

  531. 

  532.     return 0;

  533. }

  534. 

  535. static av_cold int aom_init(AVCodecContext *avctx,

  536.                             const struct aom_codec_iface *iface)

  537. {

  538.     AOMContext *ctx = avctx->priv_data;

  539.     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);

  540.     struct aom_codec_enc_cfg enccfg = { 0 };

  541. #ifdef AOM_FRAME_IS_INTRAONLY

  542.     aom_codec_flags_t flags =

  543.         (avctx->flags & AV_CODEC_FLAG_PSNR) ? AOM_CODEC_USE_PSNR : 0;

  544. #else

  545.     aom_codec_flags_t flags = 0;

  546. #endif

  547.     AVCPBProperties *cpb_props;

  548.     int res;

  549.     aom_img_fmt_t img_fmt;

  550.     aom_codec_caps_t codec_caps = aom_codec_get_caps(iface);

  551. 

  552.     av_log(avctx, AV_LOG_INFO, "%s\n", aom_codec_version_str());

  553.     av_log(avctx, AV_LOG_VERBOSE, "%s\n", aom_codec_build_config());

  554. 

  555.     if ((res = aom_codec_enc_config_default(iface, &enccfg, 0)) != AOM_CODEC_OK) {

  556.         av_log(avctx, AV_LOG_ERROR, "Failed to get config: %s\n",

  557.                aom_codec_err_to_string(res));

  558.         return AVERROR(EINVAL);

  559.     }

  560. 

  561.     if (set_pix_fmt(avctx, codec_caps, &enccfg, &flags, &img_fmt))

  562.         return AVERROR(EINVAL);

  563. 

  564.     if(!avctx->bit_rate)

  565.         if(avctx->rc_max_rate || avctx->rc_buffer_size || avctx->rc_initial_buffer_occupancy) {

  566.             av_log( avctx, AV_LOG_ERROR, "Rate control parameters set without a bitrate\n");

  567.             return AVERROR(EINVAL);

  568.         }

  569. 

  570.     dump_enc_cfg(avctx, &enccfg);

  571. 

  572.     enccfg.g_w            = avctx->width;

  573.     enccfg.g_h            = avctx->height;

  574.     enccfg.g_timebase.num = avctx->time_base.num;

  575.     enccfg.g_timebase.den = avctx->time_base.den;

  576.     enccfg.g_threads      =

  577.         FFMIN(avctx->thread_count ? avctx->thread_count : av_cpu_count(), 64);

  578. 

  579.     enccfg.g_usage        = ctx->usage;

  580. 

  581.     if (ctx->lag_in_frames >= 0)

  582.         enccfg.g_lag_in_frames = ctx->lag_in_frames;

  583. 

  584.     if (avctx->flags & AV_CODEC_FLAG_PASS1)

  585.         enccfg.g_pass = AOM_RC_FIRST_PASS;

  586.     else if (avctx->flags & AV_CODEC_FLAG_PASS2)

  587.         enccfg.g_pass = AOM_RC_LAST_PASS;

  588.     else

  589.         enccfg.g_pass = AOM_RC_ONE_PASS;

  590. 

  591.     if (avctx->rc_min_rate == avctx->rc_max_rate &&

  592.         avctx->rc_min_rate == avctx->bit_rate && avctx->bit_rate) {

  593.         enccfg.rc_end_usage = AOM_CBR;

  594.     } else if (ctx->crf >= 0) {

  595.         enccfg.rc_end_usage = AOM_CQ;

  596.         if (!avctx->bit_rate)

  597.             enccfg.rc_end_usage = AOM_Q;

  598.     }

  599. 

  600.     if (avctx->bit_rate) {

  601.         enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000,

  602.                                                   AV_ROUND_NEAR_INF);

  603.     } else if (enccfg.rc_end_usage != AOM_Q) {

  604.         enccfg.rc_end_usage = AOM_Q;

  605.         ctx->crf = 32;

  606.         av_log(avctx, AV_LOG_WARNING,

  607.                "Neither bitrate nor constrained quality specified, using default CRF of %d\n",

  608.                ctx->crf);

  609.     }

  610. 

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

  612.         enccfg.rc_min_quantizer = avctx->qmin;

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

  614.         enccfg.rc_max_quantizer = avctx->qmax;

  615. 

  616.     if (enccfg.rc_end_usage == AOM_CQ || enccfg.rc_end_usage == AOM_Q) {

  617.         if (ctx->crf < enccfg.rc_min_quantizer || ctx->crf > enccfg.rc_max_quantizer) {

  618.             av_log(avctx, AV_LOG_ERROR,

  619.                    "CQ level %d must be between minimum and maximum quantizer value (%d-%d)\n",

  620.                    ctx->crf, enccfg.rc_min_quantizer, enccfg.rc_max_quantizer);

  621.             return AVERROR(EINVAL);

  622.         }

  623.     }

  624. 

  625.     enccfg.rc_dropframe_thresh = ctx->drop_threshold;

  626. 

  627.     // 0-100 (0 => CBR, 100 => VBR)

  628.     enccfg.rc_2pass_vbr_bias_pct       = round(avctx->qcompress * 100);

  629.     if (ctx->minsection_pct >= 0)

  630.         enccfg.rc_2pass_vbr_minsection_pct = ctx->minsection_pct;

  631.     else if (avctx->bit_rate)

  632.         enccfg.rc_2pass_vbr_minsection_pct =

  633.             avctx->rc_min_rate * 100LL / avctx->bit_rate;

  634.     if (ctx->maxsection_pct >= 0)

  635.         enccfg.rc_2pass_vbr_maxsection_pct = ctx->maxsection_pct;

  636.     else if (avctx->rc_max_rate)

  637.         enccfg.rc_2pass_vbr_maxsection_pct =

  638.             avctx->rc_max_rate * 100LL / avctx->bit_rate;

  639. 

  640.     if (avctx->rc_buffer_size)

  641.         enccfg.rc_buf_sz =

  642.             avctx->rc_buffer_size * 1000LL / avctx->bit_rate;

  643.     if (avctx->rc_initial_buffer_occupancy)

  644.         enccfg.rc_buf_initial_sz =

  645.             avctx->rc_initial_buffer_occupancy * 1000LL / avctx->bit_rate;

  646.     enccfg.rc_buf_optimal_sz = enccfg.rc_buf_sz * 5 / 6;

  647. 

  648.     if (ctx->rc_undershoot_pct >= 0)

  649.         enccfg.rc_undershoot_pct = ctx->rc_undershoot_pct;

  650.     if (ctx->rc_overshoot_pct >= 0)

  651.         enccfg.rc_overshoot_pct = ctx->rc_overshoot_pct;

  652. 

  653.     // _enc_init() will balk if kf_min_dist differs from max w/AOM_KF_AUTO

  654.     if (avctx->keyint_min >= 0 && avctx->keyint_min == avctx->gop_size)

  655.         enccfg.kf_min_dist = avctx->keyint_min;

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

  657.         enccfg.kf_max_dist = avctx->gop_size;

  658. 

  659.     if (enccfg.g_pass == AOM_RC_FIRST_PASS)

  660.         enccfg.g_lag_in_frames = 0;

  661.     else if (enccfg.g_pass == AOM_RC_LAST_PASS) {

  662.         int decode_size, ret;

  663. 

  664.         if (!avctx->stats_in) {

  665.             av_log(avctx, AV_LOG_ERROR, "No stats file for second pass\n");

  666.             return AVERROR_INVALIDDATA;

  667.         }

  668. 

  669.         ctx->twopass_stats.sz = strlen(avctx->stats_in) * 3 / 4;

  670.         ret                   = av_reallocp(&ctx->twopass_stats.buf, ctx->twopass_stats.sz);

  671.         if (ret < 0) {

  672.             av_log(avctx, AV_LOG_ERROR,

  673.                    "Stat buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",

  674.                    ctx->twopass_stats.sz);

  675.             ctx->twopass_stats.sz = 0;

  676.             return ret;

  677.         }

  678.         decode_size = av_base64_decode(ctx->twopass_stats.buf, avctx->stats_in,

  679.                                        ctx->twopass_stats.sz);

  680.         if (decode_size < 0) {

  681.             av_log(avctx, AV_LOG_ERROR, "Stat buffer decode failed\n");

  682.             return AVERROR_INVALIDDATA;

  683.         }

  684. 

  685.         ctx->twopass_stats.sz      = decode_size;

  686.         enccfg.rc_twopass_stats_in = ctx->twopass_stats;

  687.     }

  688. 

  689.     /* 0-3: For non-zero values the encoder increasingly optimizes for reduced

  690.      * complexity playback on low powered devices at the expense of encode

  691.      * quality. */

  692.     if (avctx->profile != FF_PROFILE_UNKNOWN)

  693.         enccfg.g_profile = avctx->profile;

  694. 

  695.     enccfg.g_error_resilient = ctx->error_resilient;

  696. 

  697.     res = choose_tiling(avctx, &enccfg);

  698.     if (res < 0)

  699.         return res;

  700. 

  701.     dump_enc_cfg(avctx, &enccfg);

  702.     /* Construct Encoder Context */

  703.     res = aom_codec_enc_init(&ctx->encoder, iface, &enccfg, flags);

  704.     if (res != AOM_CODEC_OK) {

  705.         log_encoder_error(avctx, "Failed to initialize encoder");

  706.         return AVERROR(EINVAL);

  707.     }

  708. 

  709.     // codec control failures are currently treated only as warnings

  710.     av_log(avctx, AV_LOG_DEBUG, "aom_codec_control\n");

  711.     codecctl_int(avctx, AOME_SET_CPUUSED, ctx->cpu_used);

  712.     if (ctx->auto_alt_ref >= 0)

  713.         codecctl_int(avctx, AOME_SET_ENABLEAUTOALTREF, ctx->auto_alt_ref);

  714.     if (ctx->arnr_max_frames >= 0)

  715.         codecctl_int(avctx, AOME_SET_ARNR_MAXFRAMES,   ctx->arnr_max_frames);

  716.     if (ctx->arnr_strength >= 0)

  717.         codecctl_int(avctx, AOME_SET_ARNR_STRENGTH,    ctx->arnr_strength);

  718.     if (ctx->enable_cdef >= 0)

  719.         codecctl_int(avctx, AV1E_SET_ENABLE_CDEF, ctx->enable_cdef);

  720.     if (ctx->enable_restoration >= 0)

  721.         codecctl_int(avctx, AV1E_SET_ENABLE_RESTORATION, ctx->enable_restoration);

  722. #if AOM_ENCODER_ABI_VERSION >= 22

  723.     if (ctx->enable_rect_partitions >= 0)

  724.         codecctl_int(avctx, AV1E_SET_ENABLE_RECT_PARTITIONS, ctx->enable_rect_partitions);

  725.     if (ctx->enable_1to4_partitions >= 0)

  726.         codecctl_int(avctx, AV1E_SET_ENABLE_1TO4_PARTITIONS, ctx->enable_1to4_partitions);

  727.     if (ctx->enable_ab_partitions >= 0)

  728.         codecctl_int(avctx, AV1E_SET_ENABLE_AB_PARTITIONS, ctx->enable_ab_partitions);

  729.     if (ctx->enable_angle_delta >= 0)

  730.         codecctl_int(avctx, AV1E_SET_ENABLE_ANGLE_DELTA, ctx->enable_angle_delta);

  731.     if (ctx->enable_cfl_intra >= 0)

  732.         codecctl_int(avctx, AV1E_SET_ENABLE_CFL_INTRA, ctx->enable_cfl_intra);

  733.     if (ctx->enable_filter_intra >= 0)

  734.         codecctl_int(avctx, AV1E_SET_ENABLE_FILTER_INTRA, ctx->enable_filter_intra);

  735.     if (ctx->enable_intra_edge_filter >= 0)

  736.         codecctl_int(avctx, AV1E_SET_ENABLE_INTRA_EDGE_FILTER, ctx->enable_intra_edge_filter);

  737.     if (ctx->enable_paeth_intra >= 0)

  738.         codecctl_int(avctx, AV1E_SET_ENABLE_PAETH_INTRA, ctx->enable_paeth_intra);

  739.     if (ctx->enable_smooth_intra >= 0)

  740.         codecctl_int(avctx, AV1E_SET_ENABLE_SMOOTH_INTRA, ctx->enable_smooth_intra);

  741.     if (ctx->enable_palette >= 0)

  742.         codecctl_int(avctx, AV1E_SET_ENABLE_PALETTE, ctx->enable_palette);

  743. #endif

  744. 

  745.     codecctl_int(avctx, AOME_SET_STATIC_THRESHOLD, ctx->static_thresh);

  746.     if (ctx->crf >= 0)

  747.         codecctl_int(avctx, AOME_SET_CQ_LEVEL,          ctx->crf);

  748.     if (ctx->tune >= 0)

  749.         codecctl_int(avctx, AOME_SET_TUNING, ctx->tune);

  750. 

  751.     if (desc->flags & AV_PIX_FMT_FLAG_RGB) {

  752.         codecctl_int(avctx, AV1E_SET_COLOR_PRIMARIES, AVCOL_PRI_BT709);

  753.         codecctl_int(avctx, AV1E_SET_MATRIX_COEFFICIENTS, AVCOL_SPC_RGB);

  754.         codecctl_int(avctx, AV1E_SET_TRANSFER_CHARACTERISTICS, AVCOL_TRC_IEC61966_2_1);

  755.     } else {

  756.         codecctl_int(avctx, AV1E_SET_COLOR_PRIMARIES, avctx->color_primaries);

  757.         codecctl_int(avctx, AV1E_SET_MATRIX_COEFFICIENTS, avctx->colorspace);

  758.         codecctl_int(avctx, AV1E_SET_TRANSFER_CHARACTERISTICS, avctx->color_trc);

  759.     }

  760.     if (ctx->aq_mode >= 0)

  761.         codecctl_int(avctx, AV1E_SET_AQ_MODE, ctx->aq_mode);

  762.     if (ctx->frame_parallel >= 0)

  763.         codecctl_int(avctx, AV1E_SET_FRAME_PARALLEL_DECODING, ctx->frame_parallel);

  764.     set_color_range(avctx);

  765. 

  766.     codecctl_int(avctx, AV1E_SET_SUPERBLOCK_SIZE, ctx->superblock_size);

  767.     if (ctx->uniform_tiles) {

  768.         codecctl_int(avctx, AV1E_SET_TILE_COLUMNS, ctx->tile_cols_log2);

  769.         codecctl_int(avctx, AV1E_SET_TILE_ROWS,    ctx->tile_rows_log2);

  770.     }

  771. 

  772. #ifdef AOM_CTRL_AV1E_SET_DENOISE_NOISE_LEVEL

  773.     if (ctx->denoise_noise_level >= 0)

  774.         codecctl_int(avctx, AV1E_SET_DENOISE_NOISE_LEVEL, ctx->denoise_noise_level);

  775. #endif

  776. #ifdef AOM_CTRL_AV1E_SET_DENOISE_BLOCK_SIZE

  777.     if (ctx->denoise_block_size >= 0)

  778.         codecctl_int(avctx, AV1E_SET_DENOISE_BLOCK_SIZE, ctx->denoise_block_size);

  779. #endif

  780. #ifdef AOM_CTRL_AV1E_SET_ENABLE_GLOBAL_MOTION

  781.     if (ctx->enable_global_motion >= 0)

  782.         codecctl_int(avctx, AV1E_SET_ENABLE_GLOBAL_MOTION, ctx->enable_global_motion);

  783. #endif

  784. #ifdef AOM_CTRL_AV1E_SET_MAX_REFERENCE_FRAMES

  785.     if (avctx->refs >= 3) {

  786.         codecctl_int(avctx, AV1E_SET_MAX_REFERENCE_FRAMES, avctx->refs);

  787.     }

  788. #endif

  789. #ifdef AOM_CTRL_AV1E_SET_ROW_MT

  790.     if (ctx->row_mt >= 0)

  791.         codecctl_int(avctx, AV1E_SET_ROW_MT, ctx->row_mt);

  792. #endif

  793. #ifdef AOM_CTRL_AV1E_SET_ENABLE_INTRABC

  794.     if (ctx->enable_intrabc >= 0)

  795.         codecctl_int(avctx, AV1E_SET_ENABLE_INTRABC, ctx->enable_intrabc);

  796. #endif

  797. 

  798.     // provide dummy value to initialize wrapper, values will be updated each _encode()

  799.     aom_img_wrap(&ctx->rawimg, img_fmt, avctx->width, avctx->height, 1,

  800.                  (unsigned char*)1);

  801. 

  802.     if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH)

  803.         ctx->rawimg.bit_depth = enccfg.g_bit_depth;

  804. 

  805.     cpb_props = ff_add_cpb_side_data(avctx);

  806.     if (!cpb_props)

  807.         return AVERROR(ENOMEM);

  808. 

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

  810.         const AVBitStreamFilter *filter = av_bsf_get_by_name("extract_extradata");

  811.         int ret;

  812. 

  813.         if (!filter) {

  814.             av_log(avctx, AV_LOG_ERROR, "extract_extradata bitstream filter "

  815.                    "not found. This is a bug, please report it.\n");

  816.             return AVERROR_BUG;

  817.         }

  818.         ret = av_bsf_alloc(filter, &ctx->bsf);

  819.         if (ret < 0)

  820.             return ret;

  821. 

  822.         ret = avcodec_parameters_from_context(ctx->bsf->par_in, avctx);

  823.         if (ret < 0)

  824.            return ret;

  825. 

  826.         ret = av_bsf_init(ctx->bsf);

  827.         if (ret < 0)

  828.            return ret;

  829.     }

  830. 

  831.     if (enccfg.rc_end_usage == AOM_CBR ||

  832.         enccfg.g_pass != AOM_RC_ONE_PASS) {

  833.         cpb_props->max_bitrate = avctx->rc_max_rate;

  834.         cpb_props->min_bitrate = avctx->rc_min_rate;

  835.         cpb_props->avg_bitrate = avctx->bit_rate;

  836.     }

  837.     cpb_props->buffer_size = avctx->rc_buffer_size;

  838. 

  839.     return 0;

  840. }

  841. 

  842. static inline void cx_pktcpy(AOMContext *ctx,

  843.                              struct FrameListData *dst,

  844.                              const struct aom_codec_cx_pkt *src)

  845. {

  846.     dst->pts      = src->data.frame.pts;

  847.     dst->duration = src->data.frame.duration;

  848.     dst->flags    = src->data.frame.flags;

  849.     dst->sz       = src->data.frame.sz;

  850.     dst->buf      = src->data.frame.buf;

  851. #ifdef AOM_FRAME_IS_INTRAONLY

  852.     dst->have_sse = 0;

  853.     dst->frame_number = ++ctx->frame_number;

  854.     dst->have_sse = ctx->have_sse;

  855.     if (ctx->have_sse) {

  856.         /* associate last-seen SSE to the frame. */

  857.         /* Transfers ownership from ctx to dst. */

  858.         memcpy(dst->sse, ctx->sse, sizeof(dst->sse));

  859.         ctx->have_sse = 0;

  860.     }

  861. #endif

  862. }

  863. 

  864. /**

  865.  * Store coded frame information in format suitable for return from encode2().

  866.  *

  867.  * Write information from @a cx_frame to @a pkt

  868.  * @return packet data size on success

  869.  * @return a negative AVERROR on error

  870.  */

  871. static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame,

  872.                       AVPacket *pkt)

  873. {

  874.     AOMContext *ctx = avctx->priv_data;

  875.     int av_unused pict_type;

  876.     int ret = ff_alloc_packet2(avctx, pkt, cx_frame->sz, 0);

  877.     if (ret < 0) {

  878.         av_log(avctx, AV_LOG_ERROR,

  879.                "Error getting output packet of size %"SIZE_SPECIFIER".\n", cx_frame->sz);

  880.         return ret;

  881.     }

  882.     memcpy(pkt->data, cx_frame->buf, pkt->size);

  883.     pkt->pts = pkt->dts = cx_frame->pts;

  884. 

  885.     if (!!(cx_frame->flags & AOM_FRAME_IS_KEY)) {

  886.         pkt->flags |= AV_PKT_FLAG_KEY;

  887. #ifdef AOM_FRAME_IS_INTRAONLY

  888.         pict_type = AV_PICTURE_TYPE_I;

  889.     } else if (cx_frame->flags & AOM_FRAME_IS_INTRAONLY) {

  890.         pict_type = AV_PICTURE_TYPE_I;

  891.     } else {

  892.         pict_type = AV_PICTURE_TYPE_P;

  893.     }

  894. 

  895.     ff_side_data_set_encoder_stats(pkt, 0, cx_frame->sse + 1,

  896.                                    cx_frame->have_sse ? 3 : 0, pict_type);

  897. 

  898.     if (cx_frame->have_sse) {

  899.         int i;

  900.         for (i = 0; i < 3; ++i) {

  901.             avctx->error[i] += cx_frame->sse[i + 1];

  902.         }

  903.         cx_frame->have_sse = 0;

  904. #endif

  905.     }

  906. 

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

  908.         ret = av_bsf_send_packet(ctx->bsf, pkt);

  909.         if (ret < 0) {

  910.             av_log(avctx, AV_LOG_ERROR, "extract_extradata filter "

  911.                    "failed to send input packet\n");

  912.             return ret;

  913.         }

  914.         ret = av_bsf_receive_packet(ctx->bsf, pkt);

  915. 

  916.         if (ret < 0) {

  917.             av_log(avctx, AV_LOG_ERROR, "extract_extradata filter "

  918.                    "failed to receive output packet\n");

  919.             return ret;

  920.         }

  921.     }

  922.     return pkt->size;

  923. }

  924. 

  925. /**

  926.  * Queue multiple output frames from the encoder, returning the front-most.

  927.  * In cases where aom_codec_get_cx_data() returns more than 1 frame append

  928.  * the frame queue. Return the head frame if available.

  929.  * @return Stored frame size

  930.  * @return AVERROR(EINVAL) on output size error

  931.  * @return AVERROR(ENOMEM) on coded frame queue data allocation error

  932.  */

  933. static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out)

  934. {

  935.     AOMContext *ctx = avctx->priv_data;

  936.     const struct aom_codec_cx_pkt *pkt;

  937.     const void *iter = NULL;

  938.     int size = 0;

  939. 

  940.     if (ctx->coded_frame_list) {

  941.         struct FrameListData *cx_frame = ctx->coded_frame_list;

  942.         /* return the leading frame if we've already begun queueing */

  943.         size = storeframe(avctx, cx_frame, pkt_out);

  944.         if (size < 0)

  945.             return size;

  946.         ctx->coded_frame_list = cx_frame->next;

  947.         free_coded_frame(cx_frame);

  948.     }

  949. 

  950.     /* consume all available output from the encoder before returning. buffers

  951.      * are only good through the next aom_codec call */

  952.     while ((pkt = aom_codec_get_cx_data(&ctx->encoder, &iter))) {

  953.         switch (pkt->kind) {

  954.         case AOM_CODEC_CX_FRAME_PKT:

  955.             if (!size) {

  956.                 struct FrameListData cx_frame;

  957. 

  958.                 /* avoid storing the frame when the list is empty and we haven't yet

  959.                  * provided a frame for output */

  960.                 av_assert0(!ctx->coded_frame_list);

  961.                 cx_pktcpy(ctx, &cx_frame, pkt);

  962.                 size = storeframe(avctx, &cx_frame, pkt_out);

  963.                 if (size < 0)

  964.                     return size;

  965.             } else {

  966.                 struct FrameListData *cx_frame =

  967.                     av_malloc(sizeof(struct FrameListData));

  968. 

  969.                 if (!cx_frame) {

  970.                     av_log(avctx, AV_LOG_ERROR,

  971.                            "Frame queue element alloc failed\n");

  972.                     return AVERROR(ENOMEM);

  973.                 }

  974.                 cx_pktcpy(ctx, cx_frame, pkt);

  975.                 cx_frame->buf = av_malloc(cx_frame->sz);

  976. 

  977.                 if (!cx_frame->buf) {

  978.                     av_log(avctx, AV_LOG_ERROR,

  979.                            "Data buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",

  980.                            cx_frame->sz);

  981.                     av_freep(&cx_frame);

  982.                     return AVERROR(ENOMEM);

  983.                 }

  984.                 memcpy(cx_frame->buf, pkt->data.frame.buf, pkt->data.frame.sz);

  985.                 coded_frame_add(&ctx->coded_frame_list, cx_frame);

  986.             }

  987.             break;

  988.         case AOM_CODEC_STATS_PKT:

  989.         {

  990.             struct aom_fixed_buf *stats = &ctx->twopass_stats;

  991.             int err;

  992.             if ((err = av_reallocp(&stats->buf,

  993.                                    stats->sz +

  994.                                    pkt->data.twopass_stats.sz)) < 0) {

  995.                 stats->sz = 0;

  996.                 av_log(avctx, AV_LOG_ERROR, "Stat buffer realloc failed\n");

  997.                 return err;

  998.             }

  999.             memcpy((uint8_t *)stats->buf + stats->sz,

  1000.                    pkt->data.twopass_stats.buf, pkt->data.twopass_stats.sz);

  1001.             stats->sz += pkt->data.twopass_stats.sz;

  1002.             break;

  1003.         }

  1004. #ifdef AOM_FRAME_IS_INTRAONLY

  1005.         case AOM_CODEC_PSNR_PKT:

  1006.         {

  1007.             av_assert0(!ctx->have_sse);

  1008.             ctx->sse[0] = pkt->data.psnr.sse[0];

  1009.             ctx->sse[1] = pkt->data.psnr.sse[1];

  1010.             ctx->sse[2] = pkt->data.psnr.sse[2];

  1011.             ctx->sse[3] = pkt->data.psnr.sse[3];

  1012.             ctx->have_sse = 1;

  1013.             break;

  1014.         }

  1015. #endif

  1016.         case AOM_CODEC_CUSTOM_PKT:

  1017.             // ignore unsupported/unrecognized packet types

  1018.             break;

  1019.         }

  1020.     }

  1021. 

  1022.     return size;

  1023. }

  1024. 

  1025. static int aom_encode(AVCodecContext *avctx, AVPacket *pkt,

  1026.                       const AVFrame *frame, int *got_packet)

  1027. {

  1028.     AOMContext *ctx = avctx->priv_data;

  1029.     struct aom_image *rawimg = NULL;

  1030.     int64_t timestamp = 0;

  1031.     int res, coded_size;

  1032.     aom_enc_frame_flags_t flags = 0;

  1033. 

  1034.     if (frame) {

  1035.         rawimg                      = &ctx->rawimg;

  1036.         rawimg->planes[AOM_PLANE_Y] = frame->data[0];

  1037.         rawimg->planes[AOM_PLANE_U] = frame->data[1];

  1038.         rawimg->planes[AOM_PLANE_V] = frame->data[2];

  1039.         rawimg->stride[AOM_PLANE_Y] = frame->linesize[0];

  1040.         rawimg->stride[AOM_PLANE_U] = frame->linesize[1];

  1041.         rawimg->stride[AOM_PLANE_V] = frame->linesize[2];

  1042.         timestamp                   = frame->pts;

  1043.         switch (frame->color_range) {

  1044.         case AVCOL_RANGE_MPEG:

  1045.             rawimg->range = AOM_CR_STUDIO_RANGE;

  1046.             break;

  1047.         case AVCOL_RANGE_JPEG:

  1048.             rawimg->range = AOM_CR_FULL_RANGE;

  1049.             break;

  1050.         }

  1051. 

  1052.         if (frame->pict_type == AV_PICTURE_TYPE_I)

  1053.             flags |= AOM_EFLAG_FORCE_KF;

  1054.     }

  1055. 

  1056.     res = aom_codec_encode(&ctx->encoder, rawimg, timestamp,

  1057.                            avctx->ticks_per_frame, flags);

  1058.     if (res != AOM_CODEC_OK) {

  1059.         log_encoder_error(avctx, "Error encoding frame");

  1060.         return AVERROR_INVALIDDATA;

  1061.     }

  1062.     coded_size = queue_frames(avctx, pkt);

  1063. 

  1064.     if (!frame && avctx->flags & AV_CODEC_FLAG_PASS1) {

  1065.         size_t b64_size = AV_BASE64_SIZE(ctx->twopass_stats.sz);

  1066. 

  1067.         avctx->stats_out = av_malloc(b64_size);

  1068.         if (!avctx->stats_out) {

  1069.             av_log(avctx, AV_LOG_ERROR, "Stat buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",

  1070.                    b64_size);

  1071.             return AVERROR(ENOMEM);

  1072.         }

  1073.         av_base64_encode(avctx->stats_out, b64_size, ctx->twopass_stats.buf,

  1074.                          ctx->twopass_stats.sz);

  1075.     }

  1076. 

  1077.     *got_packet = !!coded_size;

  1078.     return 0;

  1079. }

  1080. 

  1081. static const enum AVPixelFormat av1_pix_fmts[] = {

  1082.     AV_PIX_FMT_YUV420P,

  1083.     AV_PIX_FMT_YUV422P,

  1084.     AV_PIX_FMT_YUV444P,

  1085.     AV_PIX_FMT_GBRP,

  1086.     AV_PIX_FMT_NONE

  1087. };

  1088. 

  1089. static const enum AVPixelFormat av1_pix_fmts_highbd[] = {

  1090.     AV_PIX_FMT_YUV420P,

  1091.     AV_PIX_FMT_YUV422P,

  1092.     AV_PIX_FMT_YUV444P,

  1093.     AV_PIX_FMT_GBRP,

  1094.     AV_PIX_FMT_YUV420P10,

  1095.     AV_PIX_FMT_YUV422P10,

  1096.     AV_PIX_FMT_YUV444P10,

  1097.     AV_PIX_FMT_YUV420P12,

  1098.     AV_PIX_FMT_YUV422P12,

  1099.     AV_PIX_FMT_YUV444P12,

  1100.     AV_PIX_FMT_GBRP10,

  1101.     AV_PIX_FMT_GBRP12,

  1102.     AV_PIX_FMT_NONE

  1103. };

  1104. 

  1105. static av_cold void av1_init_static(AVCodec *codec)

  1106. {

  1107.     aom_codec_caps_t codec_caps = aom_codec_get_caps(aom_codec_av1_cx());

  1108.     if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH)

  1109.         codec->pix_fmts = av1_pix_fmts_highbd;

  1110.     else

  1111.         codec->pix_fmts = av1_pix_fmts;

  1112. 

  1113.     if (aom_codec_version_major() < 2)

  1114.         codec->capabilities |= AV_CODEC_CAP_EXPERIMENTAL;

  1115. }

  1116. 

  1117. static av_cold int av1_init(AVCodecContext *avctx)

  1118. {

  1119.     return aom_init(avctx, aom_codec_av1_cx());

  1120. }

  1121. 

  1122. #define OFFSET(x) offsetof(AOMContext, x)

  1123. #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

  1124. static const AVOption options[] = {

  1125.     { "cpu-used",        "Quality/Speed ratio modifier",           OFFSET(cpu_used),        AV_OPT_TYPE_INT, {.i64 = 1}, 0, 8, VE},

  1126.     { "auto-alt-ref",    "Enable use of alternate reference "

  1127.                          "frames (2-pass only)",                   OFFSET(auto_alt_ref),    AV_OPT_TYPE_INT, {.i64 = -1},      -1,      2,       VE},

  1128.     { "lag-in-frames",   "Number of frames to look ahead at for "

  1129.                          "alternate reference frame selection",    OFFSET(lag_in_frames),   AV_OPT_TYPE_INT, {.i64 = -1},      -1,      INT_MAX, VE},

  1130.     { "arnr-max-frames", "altref noise reduction max frame count", OFFSET(arnr_max_frames), AV_OPT_TYPE_INT, {.i64 = -1},      -1,      INT_MAX, VE},

  1131.     { "arnr-strength",   "altref noise reduction filter strength", OFFSET(arnr_strength),   AV_OPT_TYPE_INT, {.i64 = -1},      -1,      6,       VE},

  1132.     { "aq-mode",         "adaptive quantization mode",             OFFSET(aq_mode),         AV_OPT_TYPE_INT, {.i64 = -1},      -1,      4, VE, "aq_mode"},

  1133.     { "none",            "Aq not used",         0, AV_OPT_TYPE_CONST, {.i64 = 0}, 0, 0, VE, "aq_mode"},

  1134.     { "variance",        "Variance based Aq",   0, AV_OPT_TYPE_CONST, {.i64 = 1}, 0, 0, VE, "aq_mode"},

  1135.     { "complexity",      "Complexity based Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 2}, 0, 0, VE, "aq_mode"},

  1136.     { "cyclic",          "Cyclic Refresh Aq",   0, AV_OPT_TYPE_CONST, {.i64 = 3}, 0, 0, VE, "aq_mode"},

  1137.     { "error-resilience", "Error resilience configuration", OFFSET(error_resilient), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, VE, "er"},

  1138.     { "default",         "Improve resiliency against losses of whole frames", 0, AV_OPT_TYPE_CONST, {.i64 = AOM_ERROR_RESILIENT_DEFAULT}, 0, 0, VE, "er"},

  1139.     { "crf",              "Select the quality for constant quality mode", offsetof(AOMContext, crf), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 63, VE },

  1140.     { "static-thresh",    "A change threshold on blocks below which they will be skipped by the encoder", OFFSET(static_thresh), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },

  1141.     { "drop-threshold",   "Frame drop threshold", offsetof(AOMContext, drop_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, VE },

  1142.     { "denoise-noise-level", "Amount of noise to be removed", OFFSET(denoise_noise_level), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},

  1143.     { "denoise-block-size", "Denoise block size ", OFFSET(denoise_block_size), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},

  1144.     { "undershoot-pct",   "Datarate undershoot (min) target (%)", OFFSET(rc_undershoot_pct), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 100, VE},

  1145.     { "overshoot-pct",    "Datarate overshoot (max) target (%)", OFFSET(rc_overshoot_pct), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1000, VE},

  1146.     { "minsection-pct",   "GOP min bitrate (% of target)", OFFSET(minsection_pct), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 100, VE},

  1147.     { "maxsection-pct",   "GOP max bitrate (% of target)", OFFSET(maxsection_pct), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 5000, VE},

  1148.     { "frame-parallel",   "Enable frame parallel decodability features", OFFSET(frame_parallel),  AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},

  1149.     { "tiles",            "Tile columns x rows", OFFSET(tile_cols), AV_OPT_TYPE_IMAGE_SIZE, { .str = NULL }, 0, 0, VE },

  1150.     { "tile-columns",     "Log2 of number of tile columns to use", OFFSET(tile_cols_log2), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},

  1151.     { "tile-rows",        "Log2 of number of tile rows to use",    OFFSET(tile_rows_log2), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},

  1152.     { "row-mt",           "Enable row based multi-threading",      OFFSET(row_mt),         AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},

  1153.     { "enable-cdef",      "Enable CDEF filtering",                 OFFSET(enable_cdef),    AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},

  1154.     { "enable-global-motion",  "Enable global motion",             OFFSET(enable_global_motion), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},

  1155.     { "enable-intrabc",  "Enable intra block copy prediction mode", OFFSET(enable_intrabc), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},

  1156.     { "enable-restoration", "Enable Loop Restoration filtering", OFFSET(enable_restoration), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},

  1157.     { "usage",           "Quality and compression efficiency vs speed trade-off", OFFSET(usage), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, VE, "usage"},

  1158.     { "good",            "Good quality",      0, AV_OPT_TYPE_CONST, {.i64 = 0 /* AOM_USAGE_GOOD_QUALITY */}, 0, 0, VE, "usage"},

  1159.     { "realtime",        "Realtime encoding", 0, AV_OPT_TYPE_CONST, {.i64 = 1 /* AOM_USAGE_REALTIME */},     0, 0, VE, "usage"},

  1160.     { "tune",            "The metric that the encoder tunes for. Automatically chosen by the encoder by default", OFFSET(tune), AV_OPT_TYPE_INT, {.i64 = -1}, -1, AOM_TUNE_SSIM, VE, "tune"},

  1161.     { "psnr",            NULL,         0, AV_OPT_TYPE_CONST, {.i64 = AOM_TUNE_PSNR}, 0, 0, VE, "tune"},

  1162.     { "ssim",            NULL,         0, AV_OPT_TYPE_CONST, {.i64 = AOM_TUNE_SSIM}, 0, 0, VE, "tune"},

  1163.     FF_AV1_PROFILE_OPTS

  1164.     { "enable-rect-partitions", "Enable rectangular partitions", OFFSET(enable_rect_partitions), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},

  1165.     { "enable-1to4-partitions", "Enable 1:4/4:1 partitions",     OFFSET(enable_1to4_partitions), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},

  1166.     { "enable-ab-partitions",   "Enable ab shape partitions",    OFFSET(enable_ab_partitions),   AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},

  1167.     { "enable-angle-delta",       "Enable angle delta intra prediction",                OFFSET(enable_angle_delta),       AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},

  1168.     { "enable-cfl-intra",         "Enable chroma predicted from luma intra prediction", OFFSET(enable_cfl_intra),         AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},

  1169.     { "enable-filter-intra",      "Enable filter intra predictor",                      OFFSET(enable_filter_intra),      AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},

  1170.     { "enable-intra-edge-filter", "Enable intra edge filter",                           OFFSET(enable_intra_edge_filter), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},

  1171.     { "enable-smooth-intra",      "Enable smooth intra prediction mode",                OFFSET(enable_smooth_intra),      AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},

  1172.     { "enable-paeth-intra",       "Enable paeth predictor in intra prediction",         OFFSET(enable_paeth_intra),       AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},

  1173.     { "enable-palette",           "Enable palette prediction mode",                     OFFSET(enable_palette),           AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},

  1174.     { NULL },

  1175. };

  1176. 

  1177. static const AVCodecDefault defaults[] = {

  1178.     { "b",                 "0" },

  1179.     { "qmin",             "-1" },

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

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

  1182.     { "keyint_min",       "-1" },

  1183.     { NULL },

  1184. };

  1185. 

  1186. static const AVClass class_aom = {

  1187.     .class_name = "libaom-av1 encoder",

  1188.     .item_name  = av_default_item_name,

  1189.     .option     = options,

  1190.     .version    = LIBAVUTIL_VERSION_INT,

  1191. };

  1192. 

  1193. AVCodec ff_libaom_av1_encoder = {

  1194.     .name           = "libaom-av1",

  1195.     .long_name      = NULL_IF_CONFIG_SMALL("libaom AV1"),

  1196.     .type           = AVMEDIA_TYPE_VIDEO,

  1197.     .id             = AV_CODEC_ID_AV1,

  1198.     .priv_data_size = sizeof(AOMContext),

  1199.     .init           = av1_init,

  1200.     .encode2        = aom_encode,

  1201.     .close          = aom_free,

  1202.     .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS,

  1203.     .profiles       = NULL_IF_CONFIG_SMALL(ff_av1_profiles),

  1204.     .priv_class     = &class_aom,

  1205.     .defaults       = defaults,

  1206.     .init_static_data = av1_init_static,

  1207.     .wrapper_name   = "libaom",

  1208. };