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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 "profiles.h"

  41. 

  42. /*

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

  44.  * One encoded frame returned from the library.

  45.  */

  46. struct FrameListData {

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

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

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

  50.                                           (in timebase units) */

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

  52.                                           (in timebase units) */

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

  54.     uint64_t sse[4];

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

  56.     uint64_t frame_number;

  57.     struct FrameListData *next;

  58. };

  59. 

  60. typedef struct AOMEncoderContext {

  61.     AVClass *class;

  62.     AVBSFContext *bsf;

  63.     struct aom_codec_ctx encoder;

  64.     struct aom_image rawimg;

  65.     struct aom_fixed_buf twopass_stats;

  66.     struct FrameListData *coded_frame_list;

  67.     int cpu_used;

  68.     int auto_alt_ref;

  69.     int arnr_max_frames;

  70.     int arnr_strength;

  71.     int aq_mode;

  72.     int lag_in_frames;

  73.     int error_resilient;

  74.     int crf;

  75.     int static_thresh;

  76.     int drop_threshold;

  77.     int denoise_noise_level;

  78.     int denoise_block_size;

  79.     uint64_t sse[4];

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

  81.     uint64_t frame_number;

  82.     int rc_undershoot_pct;

  83.     int rc_overshoot_pct;

  84.     int minsection_pct;

  85.     int maxsection_pct;

  86.     int frame_parallel;

  87.     int tile_cols, tile_rows;

  88.     int tile_cols_log2, tile_rows_log2;

  89.     aom_superblock_size_t superblock_size;

  90.     int uniform_tiles;

  91.     int row_mt;

  92.     int enable_cdef;

  93.     int enable_global_motion;

  94.     int enable_intrabc;

  95. } AOMContext;

  96. 

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

  98.     [AOME_SET_CPUUSED]          = "AOME_SET_CPUUSED",

  99.     [AOME_SET_CQ_LEVEL]         = "AOME_SET_CQ_LEVEL",

  100.     [AOME_SET_ENABLEAUTOALTREF] = "AOME_SET_ENABLEAUTOALTREF",

  101.     [AOME_SET_ARNR_MAXFRAMES]   = "AOME_SET_ARNR_MAXFRAMES",

  102.     [AOME_SET_ARNR_STRENGTH]    = "AOME_SET_ARNR_STRENGTH",

  103.     [AOME_SET_STATIC_THRESHOLD] = "AOME_SET_STATIC_THRESHOLD",

  104.     [AV1E_SET_COLOR_RANGE]      = "AV1E_SET_COLOR_RANGE",

  105.     [AV1E_SET_COLOR_PRIMARIES]  = "AV1E_SET_COLOR_PRIMARIES",

  106.     [AV1E_SET_MATRIX_COEFFICIENTS] = "AV1E_SET_MATRIX_COEFFICIENTS",

  107.     [AV1E_SET_TRANSFER_CHARACTERISTICS] = "AV1E_SET_TRANSFER_CHARACTERISTICS",

  108.     [AV1E_SET_AQ_MODE]          = "AV1E_SET_AQ_MODE",

  109.     [AV1E_SET_FRAME_PARALLEL_DECODING] = "AV1E_SET_FRAME_PARALLEL_DECODING",

  110.     [AV1E_SET_SUPERBLOCK_SIZE]  = "AV1E_SET_SUPERBLOCK_SIZE",

  111.     [AV1E_SET_TILE_COLUMNS]     = "AV1E_SET_TILE_COLUMNS",

  112.     [AV1E_SET_TILE_ROWS]        = "AV1E_SET_TILE_ROWS",

  113. #ifdef AOM_CTRL_AV1E_SET_ROW_MT

  114.     [AV1E_SET_ROW_MT]           = "AV1E_SET_ROW_MT",

  115. #endif

  116. #ifdef AOM_CTRL_AV1E_SET_DENOISE_NOISE_LEVEL

  117.     [AV1E_SET_DENOISE_NOISE_LEVEL] =  "AV1E_SET_DENOISE_NOISE_LEVEL",

  118. #endif

  119. #ifdef AOM_CTRL_AV1E_SET_DENOISE_BLOCK_SIZE

  120.     [AV1E_SET_DENOISE_BLOCK_SIZE] =   "AV1E_SET_DENOISE_BLOCK_SIZE",

  121. #endif

  122. #ifdef AOM_CTRL_AV1E_SET_MAX_REFERENCE_FRAMES

  123.     [AV1E_SET_MAX_REFERENCE_FRAMES] = "AV1E_SET_MAX_REFERENCE_FRAMES",

  124. #endif

  125. #ifdef AOM_CTRL_AV1E_SET_ENABLE_GLOBAL_MOTION

  126.     [AV1E_SET_ENABLE_GLOBAL_MOTION] = "AV1E_SET_ENABLE_GLOBAL_MOTION",

  127. #endif

  128. #ifdef AOM_CTRL_AV1E_SET_ENABLE_INTRABC

  129.     [AV1E_SET_ENABLE_INTRABC]   = "AV1E_SET_ENABLE_INTRABC",

  130. #endif

  131.     [AV1E_SET_ENABLE_CDEF]      = "AV1E_SET_ENABLE_CDEF",

  132. };

  133. 

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

  135. {

  136.     AOMContext *ctx    = avctx->priv_data;

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

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

  139. 

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

  141.     if (detail)

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

  143. }

  144. 

  145. static av_cold void dump_enc_cfg(AVCodecContext *avctx,

  146.                                  const struct aom_codec_enc_cfg *cfg)

  147. {

  148.     int width = -30;

  149.     int level = AV_LOG_DEBUG;

  150. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  201. }

  202. 

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

  204. {

  205.     struct FrameListData **p = list;

  206. 

  207.     while (*p)

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

  209.     *p = cx_frame;

  210.     cx_frame->next = NULL;

  211. }

  212. 

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

  214. {

  215.     av_freep(&cx_frame->buf);

  216.     av_freep(&cx_frame);

  217. }

  218. 

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

  220. {

  221.     struct FrameListData *p = list;

  222. 

  223.     while (p) {

  224.         list = list->next;

  225.         free_coded_frame(p);

  226.         p = list;

  227.     }

  228. }

  229. 

  230. static av_cold int codecctl_int(AVCodecContext *avctx,

  231. #ifdef UENUM1BYTE

  232.                                 aome_enc_control_id id,

  233. #else

  234.                                 enum aome_enc_control_id id,

  235. #endif

  236.                                 int val)

  237. {

  238.     AOMContext *ctx = avctx->priv_data;

  239.     char buf[80];

  240.     int width = -30;

  241.     int res;

  242. 

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

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

  245. 

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

  247.     if (res != AOM_CODEC_OK) {

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

  249.                  ctlidstr[id]);

  250.         log_encoder_error(avctx, buf);

  251.         return AVERROR(EINVAL);

  252.     }

  253. 

  254.     return 0;

  255. }

  256. 

  257. static av_cold int aom_free(AVCodecContext *avctx)

  258. {

  259.     AOMContext *ctx = avctx->priv_data;

  260. 

  261.     aom_codec_destroy(&ctx->encoder);

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

  263.     av_freep(&avctx->stats_out);

  264.     free_frame_list(ctx->coded_frame_list);

  265.     av_bsf_free(&ctx->bsf);

  266.     return 0;

  267. }

  268. 

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

  270.                        struct aom_codec_enc_cfg *enccfg, aom_codec_flags_t *flags,

  271.                        aom_img_fmt_t *img_fmt)

  272. {

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

  274.     enccfg->g_bit_depth = enccfg->g_input_bit_depth = 8;

  275.     switch (avctx->pix_fmt) {

  276.     case AV_PIX_FMT_YUV420P:

  277.         enccfg->g_profile = FF_PROFILE_AV1_MAIN;

  278.         *img_fmt = AOM_IMG_FMT_I420;

  279.         return 0;

  280.     case AV_PIX_FMT_YUV422P:

  281.         enccfg->g_profile = FF_PROFILE_AV1_PROFESSIONAL;

  282.         *img_fmt = AOM_IMG_FMT_I422;

  283.         return 0;

  284.     case AV_PIX_FMT_YUV444P:

  285.         enccfg->g_profile = FF_PROFILE_AV1_HIGH;

  286.         *img_fmt = AOM_IMG_FMT_I444;

  287.         return 0;

  288.     case AV_PIX_FMT_YUV420P10:

  289.     case AV_PIX_FMT_YUV420P12:

  290.         if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {

  291.             enccfg->g_bit_depth = enccfg->g_input_bit_depth =

  292.                 avctx->pix_fmt == AV_PIX_FMT_YUV420P10 ? 10 : 12;

  293.             enccfg->g_profile =

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

  295.             *img_fmt = AOM_IMG_FMT_I42016;

  296.             *flags |= AOM_CODEC_USE_HIGHBITDEPTH;

  297.             return 0;

  298.         }

  299.         break;

  300.     case AV_PIX_FMT_YUV422P10:

  301.     case AV_PIX_FMT_YUV422P12:

  302.         if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {

  303.             enccfg->g_bit_depth = enccfg->g_input_bit_depth =

  304.                 avctx->pix_fmt == AV_PIX_FMT_YUV422P10 ? 10 : 12;

  305.             enccfg->g_profile = FF_PROFILE_AV1_PROFESSIONAL;

  306.             *img_fmt = AOM_IMG_FMT_I42216;

  307.             *flags |= AOM_CODEC_USE_HIGHBITDEPTH;

  308.             return 0;

  309.         }

  310.         break;

  311.     case AV_PIX_FMT_YUV444P10:

  312.     case AV_PIX_FMT_YUV444P12:

  313.         if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {

  314.             enccfg->g_bit_depth = enccfg->g_input_bit_depth =

  315.                 avctx->pix_fmt == AV_PIX_FMT_YUV444P10 ? 10 : 12;

  316.             enccfg->g_profile =

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

  318.             *img_fmt = AOM_IMG_FMT_I44416;

  319.             *flags |= AOM_CODEC_USE_HIGHBITDEPTH;

  320.             return 0;

  321.         }

  322.         break;

  323.     default:

  324.         break;

  325.     }

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

  327.     return AVERROR_INVALIDDATA;

  328. }

  329. 

  330. static void set_color_range(AVCodecContext *avctx)

  331. {

  332.     aom_color_range_t aom_cr;

  333.     switch (avctx->color_range) {

  334.     case AVCOL_RANGE_UNSPECIFIED:

  335.     case AVCOL_RANGE_MPEG:       aom_cr = AOM_CR_STUDIO_RANGE; break;

  336.     case AVCOL_RANGE_JPEG:       aom_cr = AOM_CR_FULL_RANGE;   break;

  337.     default:

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

  339.                avctx->color_range);

  340.         return;

  341.     }

  342. 

  343.     codecctl_int(avctx, AV1E_SET_COLOR_RANGE, aom_cr);

  344. }

  345. 

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

  347. {

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

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

  350.     av_assert0(tile_dim > 0);

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

  352. }

  353. 

  354. static int choose_tiling(AVCodecContext *avctx,

  355.                          struct aom_codec_enc_cfg *enccfg)

  356. {

  357.     AOMContext *ctx = avctx->priv_data;

  358.     int sb_128x128_possible, sb_size, sb_width, sb_height;

  359.     int uniform_rows, uniform_cols;

  360.     int uniform_64x64_possible, uniform_128x128_possible;

  361.     int tile_size, rounding, i;

  362. 

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

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

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

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

  367. 

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

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

  370.             AV1_MAX_TILE_WIDTH;

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

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

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

  374.         }

  375.     }

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

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

  378.         int max_tile_width =

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

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

  381.         ctx->tile_rows =

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

  383.              AV1_MAX_TILE_AREA - 1) / AV1_MAX_TILE_AREA;

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

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

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

  387.         }

  388.     }

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

  390. 

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

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

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

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

  395.         return AVERROR(EINVAL);

  396.     }

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

  398.         ctx->tile_rows > AV1_MAX_TILE_ROWS) {

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

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

  401.                AV1_MAX_TILE_COLS, AV1_MAX_TILE_ROWS);

  402.         return AVERROR(EINVAL);

  403.     }

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

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

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

  407.                AV1_MAX_TILE_WIDTH);

  408.         return AVERROR(EINVAL);

  409.     }

  410. 

  411.     ctx->superblock_size = AOM_SUPERBLOCK_SIZE_DYNAMIC;

  412. 

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

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

  415.         return 0;

  416.     }

  417. 

  418.     sb_128x128_possible =

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

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

  421. 

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

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

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

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

  426. 

  427.     uniform_cols = count_uniform_tiling(avctx->width,

  428.                                         64, ctx->tile_cols_log2);

  429.     uniform_rows = count_uniform_tiling(avctx->height,

  430.                                         64, ctx->tile_rows_log2);

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

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

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

  434.                              uniform_rows == ctx->tile_rows;

  435. 

  436.     if (sb_128x128_possible) {

  437.         uniform_cols = count_uniform_tiling(avctx->width,

  438.                                             128, ctx->tile_cols_log2);

  439.         uniform_rows = count_uniform_tiling(avctx->height,

  440.                                             128, ctx->tile_rows_log2);

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

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

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

  444.                                    uniform_rows == ctx->tile_rows;

  445.     } else {

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

  447.         uniform_128x128_possible = 0;

  448.     }

  449. 

  450.     ctx->uniform_tiles = 1;

  451.     if (uniform_64x64_possible && uniform_128x128_possible) {

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

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

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

  455.         return 0;

  456.     }

  457.     if (uniform_64x64_possible && !sb_128x128_possible) {

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

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

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

  461.         ctx->superblock_size = AOM_SUPERBLOCK_SIZE_64X64;

  462.         return 0;

  463.     }

  464.     if (uniform_128x128_possible) {

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

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

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

  468.         ctx->superblock_size = AOM_SUPERBLOCK_SIZE_128X128;

  469.         return 0;

  470.     }

  471.     ctx->uniform_tiles = 0;

  472. 

  473.     if (sb_128x128_possible) {

  474.         sb_size = 128;

  475.         ctx->superblock_size = AOM_SUPERBLOCK_SIZE_128X128;

  476.     } else {

  477.         sb_size = 64;

  478.         ctx->superblock_size = AOM_SUPERBLOCK_SIZE_64X64;

  479.     }

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

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

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

  483. 

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

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

  486. 

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

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

  489. 

  490.     tile_size = sb_width / ctx->tile_cols;

  491.     rounding  = sb_width % ctx->tile_cols;

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

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

  494.             (i < rounding / 2 ||

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

  496.     }

  497. 

  498.     tile_size = sb_height / ctx->tile_rows;

  499.     rounding  = sb_height % ctx->tile_rows;

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

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

  502.             (i < rounding / 2 ||

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

  504.     }

  505. 

  506.     return 0;

  507. }

  508. 

  509. static av_cold int aom_init(AVCodecContext *avctx,

  510.                             const struct aom_codec_iface *iface)

  511. {

  512.     AOMContext *ctx = avctx->priv_data;

  513.     struct aom_codec_enc_cfg enccfg = { 0 };

  514. #ifdef AOM_FRAME_IS_INTRAONLY

  515.     aom_codec_flags_t flags =

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

  517. #else

  518.     aom_codec_flags_t flags = 0;

  519. #endif

  520.     AVCPBProperties *cpb_props;

  521.     int res;

  522.     aom_img_fmt_t img_fmt;

  523.     aom_codec_caps_t codec_caps = aom_codec_get_caps(iface);

  524. 

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

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

  527. 

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

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

  530.                aom_codec_err_to_string(res));

  531.         return AVERROR(EINVAL);

  532.     }

  533. 

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

  535.         return AVERROR(EINVAL);

  536. 

  537.     if(!avctx->bit_rate)

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

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

  540.             return AVERROR(EINVAL);

  541.         }

  542. 

  543.     dump_enc_cfg(avctx, &enccfg);

  544. 

  545.     enccfg.g_w            = avctx->width;

  546.     enccfg.g_h            = avctx->height;

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

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

  549.     enccfg.g_threads      =

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

  551. 

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

  553.         enccfg.g_lag_in_frames = ctx->lag_in_frames;

  554. 

  555.     if (avctx->flags & AV_CODEC_FLAG_PASS1)

  556.         enccfg.g_pass = AOM_RC_FIRST_PASS;

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

  558.         enccfg.g_pass = AOM_RC_LAST_PASS;

  559.     else

  560.         enccfg.g_pass = AOM_RC_ONE_PASS;

  561. 

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

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

  564.         enccfg.rc_end_usage = AOM_CBR;

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

  566.         enccfg.rc_end_usage = AOM_CQ;

  567.         if (!avctx->bit_rate)

  568.             enccfg.rc_end_usage = AOM_Q;

  569.     }

  570. 

  571.     if (avctx->bit_rate) {

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

  573.                                                   AV_ROUND_NEAR_INF);

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

  575.         if (enccfg.rc_end_usage == AOM_CQ) {

  576.             enccfg.rc_target_bitrate = 1000000;

  577.         } else {

  578.             enccfg.rc_end_usage = AOM_Q;

  579.             ctx->crf = 32;

  580.             av_log(avctx, AV_LOG_WARNING,

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

  582.                    ctx->crf);

  583.         }

  584.     }

  585. 

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

  587.         enccfg.rc_min_quantizer = avctx->qmin;

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

  589.         enccfg.rc_max_quantizer = avctx->qmax;

  590. 

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

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

  593.             av_log(avctx, AV_LOG_ERROR,

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

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

  596.             return AVERROR(EINVAL);

  597.         }

  598.     }

  599. 

  600.     enccfg.rc_dropframe_thresh = ctx->drop_threshold;

  601. 

  602.     // 0-100 (0 => CBR, 100 => VBR)

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

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

  605.         enccfg.rc_2pass_vbr_minsection_pct = ctx->minsection_pct;

  606.     else if (avctx->bit_rate)

  607.         enccfg.rc_2pass_vbr_minsection_pct =

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

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

  610.         enccfg.rc_2pass_vbr_maxsection_pct = ctx->maxsection_pct;

  611.     else if (avctx->rc_max_rate)

  612.         enccfg.rc_2pass_vbr_maxsection_pct =

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

  614. 

  615.     if (avctx->rc_buffer_size)

  616.         enccfg.rc_buf_sz =

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

  618.     if (avctx->rc_initial_buffer_occupancy)

  619.         enccfg.rc_buf_initial_sz =

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

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

  622. 

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

  624.         enccfg.rc_undershoot_pct = ctx->rc_undershoot_pct;

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

  626.         enccfg.rc_overshoot_pct = ctx->rc_overshoot_pct;

  627. 

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

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

  630.         enccfg.kf_min_dist = avctx->keyint_min;

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

  632.         enccfg.kf_max_dist = avctx->gop_size;

  633. 

  634.     if (enccfg.g_pass == AOM_RC_FIRST_PASS)

  635.         enccfg.g_lag_in_frames = 0;

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

  637.         int decode_size, ret;

  638. 

  639.         if (!avctx->stats_in) {

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

  641.             return AVERROR_INVALIDDATA;

  642.         }

  643. 

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

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

  646.         if (ret < 0) {

  647.             av_log(avctx, AV_LOG_ERROR,

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

  649.                    ctx->twopass_stats.sz);

  650.             ctx->twopass_stats.sz = 0;

  651.             return ret;

  652.         }

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

  654.                                        ctx->twopass_stats.sz);

  655.         if (decode_size < 0) {

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

  657.             return AVERROR_INVALIDDATA;

  658.         }

  659. 

  660.         ctx->twopass_stats.sz      = decode_size;

  661.         enccfg.rc_twopass_stats_in = ctx->twopass_stats;

  662.     }

  663. 

  664.     /* 0-3: For non-zero values the encoder increasingly optimizes for reduced

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

  666.      * quality. */

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

  668.         enccfg.g_profile = avctx->profile;

  669. 

  670.     enccfg.g_error_resilient = ctx->error_resilient;

  671. 

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

  673.     if (res < 0)

  674.         return res;

  675. 

  676.     dump_enc_cfg(avctx, &enccfg);

  677.     /* Construct Encoder Context */

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

  679.     if (res != AOM_CODEC_OK) {

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

  681.         return AVERROR(EINVAL);

  682.     }

  683. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  698. 

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

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

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

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

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

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

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

  706.     set_color_range(avctx);

  707. 

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

  709.     if (ctx->uniform_tiles) {

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

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

  712.     }

  713. 

  714. #ifdef AOM_CTRL_AV1E_SET_DENOISE_NOISE_LEVEL

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

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

  717. #endif

  718. #ifdef AOM_CTRL_AV1E_SET_DENOISE_BLOCK_SIZE

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

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

  721. #endif

  722. #ifdef AOM_CTRL_AV1E_SET_ENABLE_GLOBAL_MOTION

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

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

  725. #endif

  726. #ifdef AOM_CTRL_AV1E_SET_MAX_REFERENCE_FRAMES

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

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

  729.     }

  730. #endif

  731. #ifdef AOM_CTRL_AV1E_SET_ROW_MT

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

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

  734. #endif

  735. #ifdef AOM_CTRL_AV1E_SET_ENABLE_INTRABC

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

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

  738. #endif

  739. 

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

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

  742.                  (unsigned char*)1);

  743. 

  744.     if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH)

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

  746. 

  747.     cpb_props = ff_add_cpb_side_data(avctx);

  748.     if (!cpb_props)

  749.         return AVERROR(ENOMEM);

  750. 

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

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

  753.         int ret;

  754. 

  755.         if (!filter) {

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

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

  758.             return AVERROR_BUG;

  759.         }

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

  761.         if (ret < 0)

  762.             return ret;

  763. 

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

  765.         if (ret < 0)

  766.            return ret;

  767. 

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

  769.         if (ret < 0)

  770.            return ret;

  771.     }

  772. 

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

  774.         enccfg.g_pass != AOM_RC_ONE_PASS) {

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

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

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

  778.     }

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

  780. 

  781.     return 0;

  782. }

  783. 

  784. static inline void cx_pktcpy(AOMContext *ctx,

  785.                              struct FrameListData *dst,

  786.                              const struct aom_codec_cx_pkt *src)

  787. {

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

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

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

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

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

  793. #ifdef AOM_FRAME_IS_INTRAONLY

  794.     dst->have_sse = 0;

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

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

  797.     if (ctx->have_sse) {

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

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

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

  801.         ctx->have_sse = 0;

  802.     }

  803. #endif

  804. }

  805. 

  806. /**

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

  808.  *

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

  810.  * @return packet data size on success

  811.  * @return a negative AVERROR on error

  812.  */

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

  814.                       AVPacket *pkt)

  815. {

  816.     AOMContext *ctx = avctx->priv_data;

  817.     int av_unused pict_type;

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

  819.     if (ret < 0) {

  820.         av_log(avctx, AV_LOG_ERROR,

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

  822.         return ret;

  823.     }

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

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

  826. 

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

  828.         pkt->flags |= AV_PKT_FLAG_KEY;

  829. #ifdef AOM_FRAME_IS_INTRAONLY

  830.         pict_type = AV_PICTURE_TYPE_I;

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

  832.         pict_type = AV_PICTURE_TYPE_I;

  833.     } else {

  834.         pict_type = AV_PICTURE_TYPE_P;

  835.     }

  836. 

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

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

  839. 

  840.     if (cx_frame->have_sse) {

  841.         int i;

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

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

  844.         }

  845.         cx_frame->have_sse = 0;

  846. #endif

  847.     }

  848. 

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

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

  851.         if (ret < 0) {

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

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

  854.             return ret;

  855.         }

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

  857. 

  858.         if (ret < 0) {

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

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

  861.             return ret;

  862.         }

  863.     }

  864.     return pkt->size;

  865. }

  866. 

  867. /**

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

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

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

  871.  * @return Stored frame size

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

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

  874.  */

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

  876. {

  877.     AOMContext *ctx = avctx->priv_data;

  878.     const struct aom_codec_cx_pkt *pkt;

  879.     const void *iter = NULL;

  880.     int size = 0;

  881. 

  882.     if (ctx->coded_frame_list) {

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

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

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

  886.         if (size < 0)

  887.             return size;

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

  889.         free_coded_frame(cx_frame);

  890.     }

  891. 

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

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

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

  895.         switch (pkt->kind) {

  896.         case AOM_CODEC_CX_FRAME_PKT:

  897.             if (!size) {

  898.                 struct FrameListData cx_frame;

  899. 

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

  901.                  * provided a frame for output */

  902.                 av_assert0(!ctx->coded_frame_list);

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

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

  905.                 if (size < 0)

  906.                     return size;

  907.             } else {

  908.                 struct FrameListData *cx_frame =

  909.                     av_malloc(sizeof(struct FrameListData));

  910. 

  911.                 if (!cx_frame) {

  912.                     av_log(avctx, AV_LOG_ERROR,

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

  914.                     return AVERROR(ENOMEM);

  915.                 }

  916.                 cx_pktcpy(ctx, cx_frame, pkt);

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

  918. 

  919.                 if (!cx_frame->buf) {

  920.                     av_log(avctx, AV_LOG_ERROR,

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

  922.                            cx_frame->sz);

  923.                     av_freep(&cx_frame);

  924.                     return AVERROR(ENOMEM);

  925.                 }

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

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

  928.             }

  929.             break;

  930.         case AOM_CODEC_STATS_PKT:

  931.         {

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

  933.             int err;

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

  935.                                    stats->sz +

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

  937.                 stats->sz = 0;

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

  939.                 return err;

  940.             }

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

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

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

  944.             break;

  945.         }

  946. #ifdef AOM_FRAME_IS_INTRAONLY

  947.         case AOM_CODEC_PSNR_PKT:

  948.         {

  949.             av_assert0(!ctx->have_sse);

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

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

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

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

  954.             ctx->have_sse = 1;

  955.             break;

  956.         }

  957. #endif

  958.         case AOM_CODEC_CUSTOM_PKT:

  959.             // ignore unsupported/unrecognized packet types

  960.             break;

  961.         }

  962.     }

  963. 

  964.     return size;

  965. }

  966. 

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

  968.                       const AVFrame *frame, int *got_packet)

  969. {

  970.     AOMContext *ctx = avctx->priv_data;

  971.     struct aom_image *rawimg = NULL;

  972.     int64_t timestamp = 0;

  973.     int res, coded_size;

  974.     aom_enc_frame_flags_t flags = 0;

  975. 

  976.     if (frame) {

  977.         rawimg                      = &ctx->rawimg;

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

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

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

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

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

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

  984.         timestamp                   = frame->pts;

  985.         switch (frame->color_range) {

  986.         case AVCOL_RANGE_MPEG:

  987.             rawimg->range = AOM_CR_STUDIO_RANGE;

  988.             break;

  989.         case AVCOL_RANGE_JPEG:

  990.             rawimg->range = AOM_CR_FULL_RANGE;

  991.             break;

  992.         }

  993. 

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

  995.             flags |= AOM_EFLAG_FORCE_KF;

  996.     }

  997. 

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

  999.                            avctx->ticks_per_frame, flags);

  1000.     if (res != AOM_CODEC_OK) {

  1001.         log_encoder_error(avctx, "Error encoding frame");

  1002.         return AVERROR_INVALIDDATA;

  1003.     }

  1004.     coded_size = queue_frames(avctx, pkt);

  1005. 

  1006.     if (!frame && avctx->flags & AV_CODEC_FLAG_PASS1) {

  1007.         size_t b64_size = AV_BASE64_SIZE(ctx->twopass_stats.sz);

  1008. 

  1009.         avctx->stats_out = av_malloc(b64_size);

  1010.         if (!avctx->stats_out) {

  1011.             av_log(avctx, AV_LOG_ERROR, "Stat buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",

  1012.                    b64_size);

  1013.             return AVERROR(ENOMEM);

  1014.         }

  1015.         av_base64_encode(avctx->stats_out, b64_size, ctx->twopass_stats.buf,

  1016.                          ctx->twopass_stats.sz);

  1017.     }

  1018. 

  1019.     *got_packet = !!coded_size;

  1020.     return 0;

  1021. }

  1022. 

  1023. static const enum AVPixelFormat av1_pix_fmts[] = {

  1024.     AV_PIX_FMT_YUV420P,

  1025.     AV_PIX_FMT_YUV422P,

  1026.     AV_PIX_FMT_YUV444P,

  1027.     AV_PIX_FMT_NONE

  1028. };

  1029. 

  1030. static const enum AVPixelFormat av1_pix_fmts_highbd[] = {

  1031.     AV_PIX_FMT_YUV420P,

  1032.     AV_PIX_FMT_YUV422P,

  1033.     AV_PIX_FMT_YUV444P,

  1034.     AV_PIX_FMT_YUV420P10,

  1035.     AV_PIX_FMT_YUV422P10,

  1036.     AV_PIX_FMT_YUV444P10,

  1037.     AV_PIX_FMT_YUV420P12,

  1038.     AV_PIX_FMT_YUV422P12,

  1039.     AV_PIX_FMT_YUV444P12,

  1040.     AV_PIX_FMT_NONE

  1041. };

  1042. 

  1043. static av_cold void av1_init_static(AVCodec *codec)

  1044. {

  1045.     aom_codec_caps_t codec_caps = aom_codec_get_caps(aom_codec_av1_cx());

  1046.     if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH)

  1047.         codec->pix_fmts = av1_pix_fmts_highbd;

  1048.     else

  1049.         codec->pix_fmts = av1_pix_fmts;

  1050. }

  1051. 

  1052. static av_cold int av1_init(AVCodecContext *avctx)

  1053. {

  1054.     return aom_init(avctx, aom_codec_av1_cx());

  1055. }

  1056. 

  1057. #define OFFSET(x) offsetof(AOMContext, x)

  1058. #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

  1059. static const AVOption options[] = {

  1060.     { "cpu-used",        "Quality/Speed ratio modifier",           OFFSET(cpu_used),        AV_OPT_TYPE_INT, {.i64 = 1}, 0, 8, VE},

  1061.     { "auto-alt-ref",    "Enable use of alternate reference "

  1062.                          "frames (2-pass only)",                   OFFSET(auto_alt_ref),    AV_OPT_TYPE_INT, {.i64 = -1},      -1,      2,       VE},

  1063.     { "lag-in-frames",   "Number of frames to look ahead at for "

  1064.                          "alternate reference frame selection",    OFFSET(lag_in_frames),   AV_OPT_TYPE_INT, {.i64 = -1},      -1,      INT_MAX, VE},

  1065.     { "arnr-max-frames", "altref noise reduction max frame count", OFFSET(arnr_max_frames), AV_OPT_TYPE_INT, {.i64 = -1},      -1,      INT_MAX, VE},

  1066.     { "arnr-strength",   "altref noise reduction filter strength", OFFSET(arnr_strength),   AV_OPT_TYPE_INT, {.i64 = -1},      -1,      6,       VE},

  1067.     { "aq-mode",         "adaptive quantization mode",             OFFSET(aq_mode),         AV_OPT_TYPE_INT, {.i64 = -1},      -1,      4, VE, "aq_mode"},

  1068.     { "none",            "Aq not used",         0, AV_OPT_TYPE_CONST, {.i64 = 0}, 0, 0, VE, "aq_mode"},

  1069.     { "variance",        "Variance based Aq",   0, AV_OPT_TYPE_CONST, {.i64 = 1}, 0, 0, VE, "aq_mode"},

  1070.     { "complexity",      "Complexity based Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 2}, 0, 0, VE, "aq_mode"},

  1071.     { "cyclic",          "Cyclic Refresh Aq",   0, AV_OPT_TYPE_CONST, {.i64 = 3}, 0, 0, VE, "aq_mode"},

  1072.     { "error-resilience", "Error resilience configuration", OFFSET(error_resilient), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, VE, "er"},

  1073.     { "default",         "Improve resiliency against losses of whole frames", 0, AV_OPT_TYPE_CONST, {.i64 = AOM_ERROR_RESILIENT_DEFAULT}, 0, 0, VE, "er"},

  1074.     { "crf",              "Select the quality for constant quality mode", offsetof(AOMContext, crf), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 63, VE },

  1075.     { "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 },

  1076.     { "drop-threshold",   "Frame drop threshold", offsetof(AOMContext, drop_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, VE },

  1077.     { "denoise-noise-level", "Amount of noise to be removed", OFFSET(denoise_noise_level), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},

  1078.     { "denoise-block-size", "Denoise block size ", OFFSET(denoise_block_size), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},

  1079.     { "undershoot-pct",   "Datarate undershoot (min) target (%)", OFFSET(rc_undershoot_pct), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 100, VE},

  1080.     { "overshoot-pct",    "Datarate overshoot (max) target (%)", OFFSET(rc_overshoot_pct), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1000, VE},

  1081.     { "minsection-pct",   "GOP min bitrate (% of target)", OFFSET(minsection_pct), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 100, VE},

  1082.     { "maxsection-pct",   "GOP max bitrate (% of target)", OFFSET(maxsection_pct), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 5000, VE},

  1083.     { "frame-parallel",   "Enable frame parallel decodability features", OFFSET(frame_parallel),  AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},

  1084.     { "tiles",            "Tile columns x rows", OFFSET(tile_cols), AV_OPT_TYPE_IMAGE_SIZE, { .str = NULL }, 0, 0, VE },

  1085.     { "tile-columns",     "Log2 of number of tile columns to use", OFFSET(tile_cols_log2), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},

  1086.     { "tile-rows",        "Log2 of number of tile rows to use",    OFFSET(tile_rows_log2), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},

  1087.     { "row-mt",           "Enable row based multi-threading",      OFFSET(row_mt),         AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},

  1088.     { "enable-cdef",      "Enable CDEF filtering",                 OFFSET(enable_cdef),    AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},

  1089.     { "enable-global-motion",  "Enable global motion",             OFFSET(enable_global_motion), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},

  1090.     { "enable-intrabc",  "Enable intra block copy prediction mode", OFFSET(enable_intrabc), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},

  1091.     { NULL },

  1092. };

  1093. 

  1094. static const AVCodecDefault defaults[] = {

  1095.     { "b",                 "0" },

  1096.     { "qmin",             "-1" },

  1097.     { "qmax",             "-1" },

  1098.     { "g",                "-1" },

  1099.     { "keyint_min",       "-1" },

  1100.     { NULL },

  1101. };

  1102. 

  1103. static const AVClass class_aom = {

  1104.     .class_name = "libaom-av1 encoder",

  1105.     .item_name  = av_default_item_name,

  1106.     .option     = options,

  1107.     .version    = LIBAVUTIL_VERSION_INT,

  1108. };

  1109. 

  1110. AVCodec ff_libaom_av1_encoder = {

  1111.     .name           = "libaom-av1",

  1112.     .long_name      = NULL_IF_CONFIG_SMALL("libaom AV1"),

  1113.     .type           = AVMEDIA_TYPE_VIDEO,

  1114.     .id             = AV_CODEC_ID_AV1,

  1115.     .priv_data_size = sizeof(AOMContext),

  1116.     .init           = av1_init,

  1117.     .encode2        = aom_encode,

  1118.     .close          = aom_free,

  1119.     .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS | AV_CODEC_CAP_EXPERIMENTAL,

  1120.     .profiles       = NULL_IF_CONFIG_SMALL(ff_av1_profiles),

  1121.     .priv_class     = &class_aom,

  1122.     .defaults       = defaults,

  1123.     .init_static_data = av1_init_static,

  1124.     .wrapper_name   = "libaom",

  1125. };