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encode_api_test.cc (44399B)


      1 /*
      2 * Copyright (c) 2016, Alliance for Open Media. All rights reserved.
      3 *
      4 * This source code is subject to the terms of the BSD 2 Clause License and
      5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
      6 * was not distributed with this source code in the LICENSE file, you can
      7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
      8 * Media Patent License 1.0 was not distributed with this source code in the
      9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
     10 */
     11 
     12 #include <cassert>
     13 #include <climits>
     14 #include <cstdint>
     15 #include <cstdlib>
     16 #include <cstring>
     17 #include <tuple>
     18 
     19 #include "gtest/gtest.h"
     20 
     21 #include "config/aom_config.h"
     22 
     23 #include "aom/aomcx.h"
     24 #include "aom/aom_encoder.h"
     25 #include "aom/aom_image.h"
     26 
     27 namespace {
     28 
     29 #if CONFIG_REALTIME_ONLY
     30 const unsigned int kUsage = AOM_USAGE_REALTIME;
     31 #else
     32 const unsigned int kUsage = AOM_USAGE_GOOD_QUALITY;
     33 #endif
     34 
     35 static void *Memset16(void *dest, int val, size_t length) {
     36  uint16_t *dest16 = (uint16_t *)dest;
     37  for (size_t i = 0; i < length; ++i) *dest16++ = val;
     38  return dest;
     39 }
     40 
     41 TEST(EncodeAPI, InvalidParams) {
     42  uint8_t buf[1] = { 0 };
     43  aom_image_t img;
     44  aom_codec_ctx_t enc;
     45  aom_codec_enc_cfg_t cfg;
     46 
     47  EXPECT_EQ(&img, aom_img_wrap(&img, AOM_IMG_FMT_I420, 1, 1, 1, buf));
     48 
     49  EXPECT_EQ(AOM_CODEC_INVALID_PARAM,
     50            aom_codec_enc_init(nullptr, nullptr, nullptr, 0));
     51  EXPECT_EQ(AOM_CODEC_INVALID_PARAM,
     52            aom_codec_enc_init(&enc, nullptr, nullptr, 0));
     53  EXPECT_EQ(AOM_CODEC_INVALID_PARAM,
     54            aom_codec_encode(nullptr, nullptr, 0, 0, 0));
     55  EXPECT_EQ(AOM_CODEC_INVALID_PARAM, aom_codec_encode(nullptr, &img, 0, 0, 0));
     56  EXPECT_EQ(AOM_CODEC_INVALID_PARAM, aom_codec_destroy(nullptr));
     57  EXPECT_EQ(AOM_CODEC_INVALID_PARAM,
     58            aom_codec_enc_config_default(nullptr, nullptr, 0));
     59  EXPECT_EQ(AOM_CODEC_INVALID_PARAM,
     60            aom_codec_enc_config_default(nullptr, &cfg, 0));
     61  EXPECT_NE(aom_codec_error(nullptr), nullptr);
     62 
     63  aom_codec_iface_t *iface = aom_codec_av1_cx();
     64  SCOPED_TRACE(aom_codec_iface_name(iface));
     65  EXPECT_EQ(AOM_CODEC_INVALID_PARAM,
     66            aom_codec_enc_init(nullptr, iface, nullptr, 0));
     67  EXPECT_EQ(AOM_CODEC_INVALID_PARAM,
     68            aom_codec_enc_init(&enc, iface, nullptr, 0));
     69  EXPECT_EQ(AOM_CODEC_INVALID_PARAM,
     70            aom_codec_enc_config_default(iface, &cfg, 3));
     71  EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_config_default(iface, &cfg, kUsage));
     72  cfg.g_w = 1 << 16;
     73  cfg.g_h = (1 << 14) + 1;
     74  EXPECT_EQ(AOM_CODEC_INVALID_PARAM, aom_codec_enc_init(&enc, iface, &cfg, 0));
     75  EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_config_default(iface, &cfg, kUsage));
     76  cfg.g_w = (1 << 14) + 1;
     77  cfg.g_h = 1 << 16;
     78  EXPECT_EQ(AOM_CODEC_INVALID_PARAM, aom_codec_enc_init(&enc, iface, &cfg, 0));
     79  EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_config_default(iface, &cfg, kUsage));
     80  cfg.g_forced_max_frame_width = 1 << 16;
     81  cfg.g_forced_max_frame_height = (1 << 14) + 1;
     82  EXPECT_EQ(AOM_CODEC_INVALID_PARAM, aom_codec_enc_init(&enc, iface, &cfg, 0));
     83  EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_config_default(iface, &cfg, kUsage));
     84  cfg.g_forced_max_frame_width = (1 << 14) + 1;
     85  cfg.g_forced_max_frame_height = 1 << 16;
     86  EXPECT_EQ(AOM_CODEC_INVALID_PARAM, aom_codec_enc_init(&enc, iface, &cfg, 0));
     87  EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_config_default(iface, &cfg, kUsage));
     88  EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_init(&enc, iface, &cfg, 0));
     89  EXPECT_EQ(nullptr, aom_codec_get_global_headers(nullptr));
     90 
     91  aom_fixed_buf_t *glob_headers = aom_codec_get_global_headers(&enc);
     92  EXPECT_NE(glob_headers->buf, nullptr);
     93  if (glob_headers) {
     94    free(glob_headers->buf);
     95    free(glob_headers);
     96  }
     97  EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, nullptr, 0, 0, 0));
     98  EXPECT_EQ(AOM_CODEC_OK, aom_codec_destroy(&enc));
     99 }
    100 
    101 TEST(EncodeAPI, InvalidSvcParams) {
    102  uint8_t buf[6] = { 0 };
    103  aom_image_t img;
    104  aom_codec_ctx_t enc;
    105  aom_codec_enc_cfg_t cfg;
    106 
    107  EXPECT_EQ(&img, aom_img_wrap(&img, AOM_IMG_FMT_I420, 1, 1, 1, buf));
    108 
    109  aom_codec_iface_t *iface = aom_codec_av1_cx();
    110  EXPECT_EQ(AOM_CODEC_OK,
    111            aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_REALTIME));
    112  cfg.g_w = 1;
    113  cfg.g_h = 1;
    114  EXPECT_EQ(aom_codec_enc_init(&enc, iface, &cfg, 0), AOM_CODEC_OK);
    115  EXPECT_EQ(aom_codec_encode(&enc, &img, 0, 1, 0), AOM_CODEC_OK);
    116 
    117  EXPECT_EQ(aom_codec_control(&enc, AOME_SET_NUMBER_SPATIAL_LAYERS, -1),
    118            AOM_CODEC_INVALID_PARAM);
    119  EXPECT_EQ(aom_codec_control(&enc, AOME_SET_NUMBER_SPATIAL_LAYERS,
    120                              AOM_MAX_SS_LAYERS + 1),
    121            AOM_CODEC_INVALID_PARAM);
    122 
    123  aom_svc_params_t svc_params = {};
    124  svc_params.framerate_factor[0] = 2;
    125  svc_params.framerate_factor[1] = 1;
    126  svc_params.layer_target_bitrate[0] = 60 * cfg.rc_target_bitrate / 100;
    127  svc_params.layer_target_bitrate[1] = cfg.rc_target_bitrate;
    128  for (const bool use_flexible_mode : { false, true }) {
    129    if (use_flexible_mode) {
    130      aom_svc_ref_frame_config_t ref_frame_config = {};
    131      ref_frame_config.refresh[0] = 1;
    132      ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_SVC_REF_FRAME_CONFIG,
    133                                  &ref_frame_config),
    134                AOM_CODEC_OK);
    135    }
    136 
    137    const int max_valid_num_spatial = use_flexible_mode ? AOM_MAX_SS_LAYERS : 3;
    138    const int max_valid_num_temporal =
    139        use_flexible_mode ? AOM_MAX_TS_LAYERS : 3;
    140    for (int num_spatial = AOM_MAX_SS_LAYERS;
    141         num_spatial <= AOM_MAX_SS_LAYERS + 1; ++num_spatial) {
    142      for (int num_temporal = AOM_MAX_TS_LAYERS;
    143           num_temporal <= AOM_MAX_TS_LAYERS + 1; ++num_temporal) {
    144        svc_params.number_spatial_layers = num_spatial;
    145        svc_params.number_temporal_layers = num_temporal;
    146        if (num_spatial > 0 && num_spatial <= AOM_MAX_SS_LAYERS &&
    147            num_temporal > 0 && num_temporal <= AOM_MAX_TS_LAYERS) {
    148          EXPECT_EQ(aom_codec_control(&enc, AV1E_SET_SVC_PARAMS, &svc_params),
    149                    AOM_CODEC_OK)
    150              << "num_spatial: " << num_spatial
    151              << " num_temporal: " << num_temporal
    152              << " use_flexible_mode: " << use_flexible_mode;
    153        } else {
    154          EXPECT_EQ(aom_codec_control(&enc, AV1E_SET_SVC_PARAMS, &svc_params),
    155                    AOM_CODEC_INVALID_PARAM)
    156              << "num_spatial: " << num_spatial
    157              << " num_temporal: " << num_temporal
    158              << " use_flexible_mode: " << use_flexible_mode;
    159        }
    160        if (use_flexible_mode || (num_spatial <= max_valid_num_spatial &&
    161                                  num_temporal <= max_valid_num_temporal)) {
    162          EXPECT_EQ(aom_codec_encode(&enc, &img, 0, 1, 0), AOM_CODEC_OK);
    163        } else {
    164          EXPECT_EQ(aom_codec_encode(&enc, &img, 0, 1, 0),
    165                    AOM_CODEC_INVALID_PARAM);
    166        }
    167      }
    168    }
    169  }
    170 
    171  EXPECT_EQ(aom_codec_encode(&enc, &img, 0, 1, 0), AOM_CODEC_OK);
    172  EXPECT_EQ(aom_codec_encode(&enc, nullptr, 0, 0, 0), AOM_CODEC_OK);
    173  EXPECT_EQ(aom_codec_destroy(&enc), AOM_CODEC_OK);
    174 }
    175 
    176 TEST(EncodeAPI, InvalidControlId) {
    177  aom_codec_iface_t *iface = aom_codec_av1_cx();
    178  aom_codec_ctx_t enc;
    179  aom_codec_enc_cfg_t cfg;
    180  EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_config_default(iface, &cfg, kUsage));
    181  EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_init(&enc, iface, &cfg, 0));
    182  EXPECT_EQ(AOM_CODEC_ERROR, aom_codec_control(&enc, -1, 0));
    183  EXPECT_EQ(AOM_CODEC_INVALID_PARAM, aom_codec_control(&enc, 0, 0));
    184  EXPECT_EQ(AOM_CODEC_OK, aom_codec_destroy(&enc));
    185 }
    186 
    187 TEST(EncodeAPI, TuneIqNotAllIntra) {
    188  aom_codec_iface_t *iface = aom_codec_av1_cx();
    189  aom_codec_enc_cfg_t cfg;
    190  ASSERT_EQ(aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_REALTIME),
    191            AOM_CODEC_OK);
    192 
    193  aom_codec_ctx_t enc;
    194  ASSERT_EQ(aom_codec_enc_init(&enc, iface, &cfg, 0), AOM_CODEC_OK);
    195 
    196  ASSERT_EQ(aom_codec_control(&enc, AOME_SET_TUNING, AOM_TUNE_SSIMULACRA2),
    197            AOM_CODEC_INCAPABLE);
    198 
    199  ASSERT_EQ(aom_codec_destroy(&enc), AOM_CODEC_OK);
    200 }
    201 
    202 void EncodeSetSFrameOnFirstFrame(aom_img_fmt fmt, aom_codec_flags_t flag) {
    203  constexpr int kWidth = 2;
    204  constexpr int kHeight = 128;
    205  unsigned char kBuffer[kWidth * kHeight * 3] = { 0 };
    206  aom_image_t img;
    207  ASSERT_EQ(aom_img_wrap(&img, fmt, kWidth, kHeight, 1, kBuffer), &img);
    208 
    209  aom_codec_iface_t *iface = aom_codec_av1_cx();
    210  aom_codec_enc_cfg_t cfg;
    211  ASSERT_EQ(aom_codec_enc_config_default(iface, &cfg, kUsage), AOM_CODEC_OK);
    212  cfg.g_w = kWidth;
    213  cfg.g_h = kHeight;
    214 
    215  aom_codec_ctx_t enc;
    216  ASSERT_EQ(aom_codec_enc_init(&enc, iface, &cfg, flag), AOM_CODEC_OK);
    217  // One of these aom_codec_encode() calls should fail.
    218  if (aom_codec_encode(&enc, &img, 0, 1, AOM_EFLAG_SET_S_FRAME) ==
    219      AOM_CODEC_OK) {
    220    EXPECT_NE(aom_codec_encode(&enc, nullptr, 0, 0, 0), AOM_CODEC_OK);
    221  }
    222  EXPECT_EQ(aom_codec_destroy(&enc), AOM_CODEC_OK);
    223 }
    224 
    225 TEST(EncodeAPI, SetSFrameOnFirstFrame) {
    226  EncodeSetSFrameOnFirstFrame(AOM_IMG_FMT_I420, 0);
    227 }
    228 
    229 #if CONFIG_AV1_HIGHBITDEPTH
    230 TEST(EncodeAPI, SetSFrameOnFirstFrameHighbd) {
    231  EncodeSetSFrameOnFirstFrame(AOM_IMG_FMT_I42016, AOM_CODEC_USE_HIGHBITDEPTH);
    232 }
    233 #endif  // CONFIG_AV1_HIGHBITDEPTH
    234 
    235 TEST(EncodeAPI, MonochromeInProfiles) {
    236  aom_codec_iface_t *iface = aom_codec_av1_cx();
    237  aom_codec_enc_cfg_t cfg;
    238  ASSERT_EQ(AOM_CODEC_OK, aom_codec_enc_config_default(iface, &cfg, kUsage));
    239  cfg.g_w = 128;
    240  cfg.g_h = 128;
    241  cfg.monochrome = 1;
    242  aom_codec_ctx_t enc;
    243 
    244  // Test Profile 0
    245  cfg.g_profile = 0;
    246  ASSERT_EQ(AOM_CODEC_OK, aom_codec_enc_init(&enc, iface, &cfg, 0));
    247  EXPECT_EQ(AOM_CODEC_OK, aom_codec_destroy(&enc));
    248 
    249  // Test Profile 1
    250  cfg.g_profile = 1;
    251  ASSERT_EQ(AOM_CODEC_INVALID_PARAM, aom_codec_enc_init(&enc, iface, &cfg, 0));
    252 
    253  // Test Profile 3
    254  cfg.g_profile = 2;
    255  ASSERT_EQ(AOM_CODEC_OK, aom_codec_enc_init(&enc, iface, &cfg, 0));
    256  EXPECT_EQ(AOM_CODEC_OK, aom_codec_destroy(&enc));
    257 }
    258 
    259 TEST(EncodeAPI, LowBDEncoderLowBDImage) {
    260  aom_codec_iface_t *iface = aom_codec_av1_cx();
    261  aom_codec_enc_cfg_t cfg;
    262  ASSERT_EQ(aom_codec_enc_config_default(iface, &cfg, kUsage), AOM_CODEC_OK);
    263 
    264  aom_codec_ctx_t enc;
    265  ASSERT_EQ(aom_codec_enc_init(&enc, iface, &cfg, 0), AOM_CODEC_OK);
    266 
    267  aom_image_t *image =
    268      aom_img_alloc(nullptr, AOM_IMG_FMT_I420, cfg.g_w, cfg.g_h, 0);
    269  ASSERT_NE(image, nullptr);
    270 
    271  // Set the image to two colors so that av1_set_screen_content_options() will
    272  // call av1_get_perpixel_variance().
    273  int luma_value = 0;
    274  for (unsigned int i = 0; i < image->d_h; ++i) {
    275    memset(image->planes[0] + i * image->stride[0], luma_value, image->d_w);
    276    luma_value = 255 - luma_value;
    277  }
    278  unsigned int uv_h = (image->d_h + 1) / 2;
    279  unsigned int uv_w = (image->d_w + 1) / 2;
    280  for (unsigned int i = 0; i < uv_h; ++i) {
    281    memset(image->planes[1] + i * image->stride[1], 128, uv_w);
    282    memset(image->planes[2] + i * image->stride[2], 128, uv_w);
    283  }
    284 
    285  ASSERT_EQ(aom_codec_encode(&enc, image, 0, 1, 0), AOM_CODEC_OK);
    286 
    287  aom_img_free(image);
    288  ASSERT_EQ(aom_codec_destroy(&enc), AOM_CODEC_OK);
    289 }
    290 
    291 TEST(EncodeAPI, HighBDEncoderHighBDImage) {
    292  aom_codec_iface_t *iface = aom_codec_av1_cx();
    293  aom_codec_enc_cfg_t cfg;
    294  ASSERT_EQ(aom_codec_enc_config_default(iface, &cfg, kUsage), AOM_CODEC_OK);
    295 
    296  aom_codec_ctx_t enc;
    297  aom_codec_err_t init_status =
    298      aom_codec_enc_init(&enc, iface, &cfg, AOM_CODEC_USE_HIGHBITDEPTH);
    299 #if !CONFIG_AV1_HIGHBITDEPTH
    300  ASSERT_EQ(init_status, AOM_CODEC_INCAPABLE);
    301 #else
    302  ASSERT_EQ(init_status, AOM_CODEC_OK);
    303 
    304  aom_image_t *image =
    305      aom_img_alloc(nullptr, AOM_IMG_FMT_I42016, cfg.g_w, cfg.g_h, 0);
    306  ASSERT_NE(image, nullptr);
    307 
    308  // Set the image to two colors so that av1_set_screen_content_options() will
    309  // call av1_get_perpixel_variance().
    310  int luma_value = 0;
    311  for (unsigned int i = 0; i < image->d_h; ++i) {
    312    Memset16(image->planes[0] + i * image->stride[0], luma_value, image->d_w);
    313    luma_value = 255 - luma_value;
    314  }
    315  unsigned int uv_h = (image->d_h + 1) / 2;
    316  unsigned int uv_w = (image->d_w + 1) / 2;
    317  for (unsigned int i = 0; i < uv_h; ++i) {
    318    Memset16(image->planes[1] + i * image->stride[1], 128, uv_w);
    319    Memset16(image->planes[2] + i * image->stride[2], 128, uv_w);
    320  }
    321 
    322  ASSERT_EQ(aom_codec_encode(&enc, image, 0, 1, 0), AOM_CODEC_OK);
    323 
    324  aom_img_free(image);
    325  ASSERT_EQ(aom_codec_destroy(&enc), AOM_CODEC_OK);
    326 #endif
    327 }
    328 
    329 TEST(EncodeAPI, HighBDEncoderLowBDImage) {
    330  aom_codec_iface_t *iface = aom_codec_av1_cx();
    331  aom_codec_enc_cfg_t cfg;
    332  ASSERT_EQ(aom_codec_enc_config_default(iface, &cfg, kUsage), AOM_CODEC_OK);
    333 
    334  aom_codec_ctx_t enc;
    335  aom_codec_err_t init_status =
    336      aom_codec_enc_init(&enc, iface, &cfg, AOM_CODEC_USE_HIGHBITDEPTH);
    337 #if !CONFIG_AV1_HIGHBITDEPTH
    338  ASSERT_EQ(init_status, AOM_CODEC_INCAPABLE);
    339 #else
    340  ASSERT_EQ(init_status, AOM_CODEC_OK);
    341 
    342  aom_image_t *image =
    343      aom_img_alloc(nullptr, AOM_IMG_FMT_I420, cfg.g_w, cfg.g_h, 0);
    344  ASSERT_NE(image, nullptr);
    345 
    346  // Set the image to two colors so that av1_set_screen_content_options() will
    347  // call av1_get_perpixel_variance().
    348  int luma_value = 0;
    349  for (unsigned int i = 0; i < image->d_h; ++i) {
    350    memset(image->planes[0] + i * image->stride[0], luma_value, image->d_w);
    351    luma_value = 255 - luma_value;
    352  }
    353  unsigned int uv_h = (image->d_h + 1) / 2;
    354  unsigned int uv_w = (image->d_w + 1) / 2;
    355  for (unsigned int i = 0; i < uv_h; ++i) {
    356    memset(image->planes[1] + i * image->stride[1], 128, uv_w);
    357    memset(image->planes[2] + i * image->stride[2], 128, uv_w);
    358  }
    359 
    360  ASSERT_EQ(aom_codec_encode(&enc, image, 0, 1, 0), AOM_CODEC_INVALID_PARAM);
    361 
    362  aom_img_free(image);
    363  ASSERT_EQ(aom_codec_destroy(&enc), AOM_CODEC_OK);
    364 #endif
    365 }
    366 
    367 TEST(EncodeAPI, LowBDEncoderHighBDImage) {
    368  aom_codec_iface_t *iface = aom_codec_av1_cx();
    369  aom_codec_enc_cfg_t cfg;
    370  ASSERT_EQ(aom_codec_enc_config_default(iface, &cfg, kUsage), AOM_CODEC_OK);
    371 
    372  aom_codec_ctx_t enc;
    373  ASSERT_EQ(aom_codec_enc_init(&enc, iface, &cfg, 0), AOM_CODEC_OK);
    374 
    375  aom_image_t *image =
    376      aom_img_alloc(nullptr, AOM_IMG_FMT_I42016, cfg.g_w, cfg.g_h, 0);
    377  ASSERT_NE(image, nullptr);
    378 
    379  // Set the image to two colors so that av1_set_screen_content_options() will
    380  // call av1_get_perpixel_variance().
    381  int luma_value = 0;
    382  for (unsigned int i = 0; i < image->d_h; ++i) {
    383    Memset16(image->planes[0] + i * image->stride[0], luma_value, image->d_w);
    384    luma_value = 255 - luma_value;
    385  }
    386  unsigned int uv_h = (image->d_h + 1) / 2;
    387  unsigned int uv_w = (image->d_w + 1) / 2;
    388  for (unsigned int i = 0; i < uv_h; ++i) {
    389    Memset16(image->planes[1] + i * image->stride[1], 128, uv_w);
    390    Memset16(image->planes[2] + i * image->stride[2], 128, uv_w);
    391  }
    392 
    393  ASSERT_EQ(aom_codec_encode(&enc, image, 0, 1, 0), AOM_CODEC_INVALID_PARAM);
    394 
    395  aom_img_free(image);
    396  ASSERT_EQ(aom_codec_destroy(&enc), AOM_CODEC_OK);
    397 }
    398 
    399 aom_image_t *CreateGrayImage(aom_img_fmt_t fmt, unsigned int w,
    400                             unsigned int h) {
    401  aom_image_t *const image = aom_img_alloc(nullptr, fmt, w, h, 1);
    402  if (!image) return image;
    403 
    404  for (unsigned int i = 0; i < image->d_h; ++i) {
    405    memset(image->planes[0] + i * image->stride[0], 128, image->d_w);
    406  }
    407  const unsigned int uv_h = (image->d_h + 1) / 2;
    408  const unsigned int uv_w = (image->d_w + 1) / 2;
    409  for (unsigned int i = 0; i < uv_h; ++i) {
    410    memset(image->planes[1] + i * image->stride[1], 128, uv_w);
    411    memset(image->planes[2] + i * image->stride[2], 128, uv_w);
    412  }
    413  return image;
    414 }
    415 
    416 TEST(EncodeAPI, Buganizer310548198) {
    417  aom_codec_iface_t *const iface = aom_codec_av1_cx();
    418  aom_codec_enc_cfg_t cfg;
    419  const unsigned int usage = AOM_USAGE_REALTIME;
    420  ASSERT_EQ(aom_codec_enc_config_default(iface, &cfg, usage), AOM_CODEC_OK);
    421  cfg.g_w = 1;
    422  cfg.g_h = 444;
    423  cfg.g_pass = AOM_RC_ONE_PASS;
    424  cfg.g_lag_in_frames = 0;
    425 
    426  aom_codec_ctx_t enc;
    427  ASSERT_EQ(aom_codec_enc_init(&enc, iface, &cfg, 0), AOM_CODEC_OK);
    428 
    429  const int speed = 6;
    430  ASSERT_EQ(aom_codec_control(&enc, AOME_SET_CPUUSED, speed), AOM_CODEC_OK);
    431 
    432  const aom_enc_frame_flags_t flags = 0;
    433  int frame_index = 0;
    434 
    435  // Encode a frame.
    436  aom_image_t *image = CreateGrayImage(AOM_IMG_FMT_I420, cfg.g_w, cfg.g_h);
    437  ASSERT_NE(image, nullptr);
    438  ASSERT_EQ(aom_codec_encode(&enc, image, frame_index, 1, flags), AOM_CODEC_OK);
    439  frame_index++;
    440  const aom_codec_cx_pkt_t *pkt;
    441  aom_codec_iter_t iter = nullptr;
    442  while ((pkt = aom_codec_get_cx_data(&enc, &iter)) != nullptr) {
    443    ASSERT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
    444  }
    445  aom_img_free(image);
    446 
    447  cfg.g_w = 1;
    448  cfg.g_h = 254;
    449  ASSERT_EQ(aom_codec_enc_config_set(&enc, &cfg), AOM_CODEC_OK)
    450      << aom_codec_error_detail(&enc);
    451 
    452  cfg.g_w = 1;
    453  cfg.g_h = 154;
    454  ASSERT_EQ(aom_codec_enc_config_set(&enc, &cfg), AOM_CODEC_OK)
    455      << aom_codec_error_detail(&enc);
    456 
    457  // Encode a frame.
    458  image = CreateGrayImage(AOM_IMG_FMT_I420, cfg.g_w, cfg.g_h);
    459  ASSERT_EQ(aom_codec_encode(&enc, image, frame_index, 1, flags), AOM_CODEC_OK);
    460  frame_index++;
    461  iter = nullptr;
    462  while ((pkt = aom_codec_get_cx_data(&enc, &iter)) != nullptr) {
    463    ASSERT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
    464  }
    465  aom_img_free(image);
    466 
    467  // Flush the encoder.
    468  bool got_data;
    469  do {
    470    ASSERT_EQ(aom_codec_encode(&enc, nullptr, 0, 0, 0), AOM_CODEC_OK);
    471    got_data = false;
    472    iter = nullptr;
    473    while ((pkt = aom_codec_get_cx_data(&enc, &iter)) != nullptr) {
    474      ASSERT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
    475      got_data = true;
    476    }
    477  } while (got_data);
    478 
    479  ASSERT_EQ(aom_codec_destroy(&enc), AOM_CODEC_OK);
    480 }
    481 
    482 // Emulates the WebCodecs VideoEncoder interface.
    483 class AV1Encoder {
    484 public:
    485  explicit AV1Encoder(int speed) : speed_(speed) {}
    486  ~AV1Encoder();
    487 
    488  void Configure(unsigned int threads, unsigned int width, unsigned int height,
    489                 aom_rc_mode end_usage, unsigned int usage);
    490  void Encode(bool key_frame);
    491 
    492 private:
    493  // Flushes the encoder. Should be called after all the Encode() calls.
    494  void Flush();
    495 
    496  const int speed_;
    497  bool initialized_ = false;
    498  aom_codec_enc_cfg_t cfg_;
    499  aom_codec_ctx_t enc_;
    500  int frame_index_ = 0;
    501 };
    502 
    503 AV1Encoder::~AV1Encoder() {
    504  if (initialized_) {
    505    Flush();
    506    EXPECT_EQ(aom_codec_destroy(&enc_), AOM_CODEC_OK);
    507  }
    508 }
    509 
    510 void AV1Encoder::Configure(unsigned int threads, unsigned int width,
    511                           unsigned int height, aom_rc_mode end_usage,
    512                           unsigned int usage) {
    513  if (!initialized_) {
    514    aom_codec_iface_t *const iface = aom_codec_av1_cx();
    515    ASSERT_EQ(aom_codec_enc_config_default(iface, &cfg_, usage), AOM_CODEC_OK);
    516    cfg_.g_threads = threads;
    517    cfg_.g_w = width;
    518    cfg_.g_h = height;
    519    cfg_.g_forced_max_frame_width = cfg_.g_w;
    520    cfg_.g_forced_max_frame_height = cfg_.g_h;
    521    cfg_.g_timebase.num = 1;
    522    cfg_.g_timebase.den = 1000 * 1000;  // microseconds
    523    cfg_.g_pass = AOM_RC_ONE_PASS;
    524    cfg_.g_lag_in_frames = 0;
    525    cfg_.rc_end_usage = end_usage;
    526    cfg_.rc_min_quantizer = 2;
    527    cfg_.rc_max_quantizer = 58;
    528    ASSERT_EQ(aom_codec_enc_init(&enc_, iface, &cfg_, 0), AOM_CODEC_OK);
    529    ASSERT_EQ(aom_codec_control(&enc_, AOME_SET_CPUUSED, speed_), AOM_CODEC_OK);
    530    initialized_ = true;
    531    return;
    532  }
    533 
    534  ASSERT_EQ(usage, cfg_.g_usage);
    535  cfg_.g_threads = threads;
    536  cfg_.g_w = width;
    537  cfg_.g_h = height;
    538  cfg_.rc_end_usage = end_usage;
    539  ASSERT_EQ(aom_codec_enc_config_set(&enc_, &cfg_), AOM_CODEC_OK)
    540      << aom_codec_error_detail(&enc_);
    541 }
    542 
    543 void AV1Encoder::Encode(bool key_frame) {
    544  assert(initialized_);
    545  // TODO(wtc): Support high bit depths and other YUV formats.
    546  aom_image_t *const image =
    547      CreateGrayImage(AOM_IMG_FMT_I420, cfg_.g_w, cfg_.g_h);
    548  ASSERT_NE(image, nullptr);
    549  const aom_enc_frame_flags_t flags = key_frame ? AOM_EFLAG_FORCE_KF : 0;
    550  ASSERT_EQ(aom_codec_encode(&enc_, image, frame_index_, 1, flags),
    551            AOM_CODEC_OK);
    552  frame_index_++;
    553  const aom_codec_cx_pkt_t *pkt;
    554  aom_codec_iter_t iter = nullptr;
    555  while ((pkt = aom_codec_get_cx_data(&enc_, &iter)) != nullptr) {
    556    ASSERT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
    557    if (key_frame) {
    558      ASSERT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_KEY, AOM_FRAME_IS_KEY);
    559    }
    560  }
    561  aom_img_free(image);
    562 }
    563 
    564 void AV1Encoder::Flush() {
    565  bool got_data;
    566  do {
    567    ASSERT_EQ(aom_codec_encode(&enc_, nullptr, 0, 0, 0), AOM_CODEC_OK);
    568    got_data = false;
    569    const aom_codec_cx_pkt_t *pkt;
    570    aom_codec_iter_t iter = nullptr;
    571    while ((pkt = aom_codec_get_cx_data(&enc_, &iter)) != nullptr) {
    572      ASSERT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
    573      got_data = true;
    574    }
    575  } while (got_data);
    576 }
    577 
    578 TEST(EncodeAPI, Buganizer314858909) {
    579  AV1Encoder encoder(7);
    580 
    581  encoder.Configure(6, 1582, 750, AOM_CBR, AOM_USAGE_REALTIME);
    582 
    583  // Encode a frame.
    584  encoder.Encode(false);
    585 
    586  encoder.Configure(0, 1582, 23, AOM_CBR, AOM_USAGE_REALTIME);
    587 
    588  // Encode a frame..
    589  encoder.Encode(false);
    590 
    591  encoder.Configure(16, 1542, 363, AOM_CBR, AOM_USAGE_REALTIME);
    592 
    593  // Encode a frame..
    594  encoder.Encode(false);
    595 }
    596 
    597 // Run this test to reproduce the bug in fuzz test: ASSERT: cpi->rec_sse !=
    598 // UINT64_MAX in av1_rc_bits_per_mb.
    599 TEST(EncodeAPI, Buganizer310766628) {
    600  AV1Encoder encoder(7);
    601 
    602  encoder.Configure(16, 759, 383, AOM_CBR, AOM_USAGE_REALTIME);
    603 
    604  // Encode a frame.
    605  encoder.Encode(false);
    606 
    607  encoder.Configure(2, 759, 383, AOM_VBR, AOM_USAGE_REALTIME);
    608 
    609  // Encode a frame. This will trigger the assertion failure.
    610  encoder.Encode(false);
    611 }
    612 
    613 // This test covers a possible use case where the change of frame sizes and
    614 // thread numbers happens before and after the first frame coding.
    615 TEST(EncodeAPI, Buganizer310455204) {
    616  AV1Encoder encoder(7);
    617 
    618  encoder.Configure(0, 1915, 503, AOM_VBR, AOM_USAGE_REALTIME);
    619 
    620  encoder.Configure(4, 1, 1, AOM_VBR, AOM_USAGE_REALTIME);
    621 
    622  encoder.Configure(6, 559, 503, AOM_CBR, AOM_USAGE_REALTIME);
    623 
    624  // Encode a frame.
    625  encoder.Encode(false);
    626 
    627  // Increase the number of threads.
    628  encoder.Configure(16, 1915, 503, AOM_CBR, AOM_USAGE_REALTIME);
    629 
    630  // Encode a frame.
    631  encoder.Encode(false);
    632 }
    633 
    634 // Run this test to reproduce the bug in fuzz test: Float-cast-overflow in
    635 // av1_rc_bits_per_mb.
    636 TEST(EncodeAPI, Buganizer310457427) {
    637  AV1Encoder encoder(7);
    638 
    639  encoder.Configure(12, 896, 1076, AOM_CBR, AOM_USAGE_REALTIME);
    640 
    641  encoder.Configure(6, 609, 1076, AOM_VBR, AOM_USAGE_REALTIME);
    642 
    643  // Encode a frame.
    644  encoder.Encode(false);
    645 
    646  // Encode a frame. This will trigger the float-cast-overflow bug which was
    647  // caused by division by zero.
    648  encoder.Encode(false);
    649 }
    650 
    651 TEST(EncodeAPI, PtsSmallerThanInitialPts) {
    652  // Initialize libaom encoder.
    653  aom_codec_iface_t *const iface = aom_codec_av1_cx();
    654  aom_codec_ctx_t enc;
    655  aom_codec_enc_cfg_t cfg;
    656 
    657  ASSERT_EQ(aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_REALTIME),
    658            AOM_CODEC_OK);
    659 
    660  cfg.g_w = 1280;
    661  cfg.g_h = 720;
    662  cfg.rc_target_bitrate = 1000;
    663 
    664  ASSERT_EQ(aom_codec_enc_init(&enc, iface, &cfg, 0), AOM_CODEC_OK);
    665 
    666  // Create input image.
    667  aom_image_t *const image =
    668      CreateGrayImage(AOM_IMG_FMT_I420, cfg.g_w, cfg.g_h);
    669  ASSERT_NE(image, nullptr);
    670 
    671  // Encode frame.
    672  ASSERT_EQ(aom_codec_encode(&enc, image, 12, 1, 0), AOM_CODEC_OK);
    673  ASSERT_EQ(aom_codec_encode(&enc, image, 13, 1, 0), AOM_CODEC_OK);
    674  // pts (10) is smaller than the initial pts (12).
    675  ASSERT_EQ(aom_codec_encode(&enc, image, 10, 1, 0), AOM_CODEC_INVALID_PARAM);
    676 
    677  // Free resources.
    678  aom_img_free(image);
    679  aom_codec_destroy(&enc);
    680 }
    681 
    682 TEST(EncodeAPI, PtsOrDurationTooBig) {
    683  // Initialize libaom encoder.
    684  aom_codec_iface_t *const iface = aom_codec_av1_cx();
    685  aom_codec_ctx_t enc;
    686  aom_codec_enc_cfg_t cfg;
    687 
    688  ASSERT_EQ(aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_REALTIME),
    689            AOM_CODEC_OK);
    690 
    691  cfg.g_w = 1280;
    692  cfg.g_h = 720;
    693  cfg.rc_target_bitrate = 1000;
    694 
    695  ASSERT_EQ(aom_codec_enc_init(&enc, iface, &cfg, 0), AOM_CODEC_OK);
    696 
    697  // Create input image.
    698  aom_image_t *const image =
    699      CreateGrayImage(AOM_IMG_FMT_I420, cfg.g_w, cfg.g_h);
    700  ASSERT_NE(image, nullptr);
    701 
    702  // Encode frame.
    703  ASSERT_EQ(aom_codec_encode(&enc, image, 0, 1, 0), AOM_CODEC_OK);
    704  // pts, when converted to ticks, is too big.
    705  ASSERT_EQ(aom_codec_encode(&enc, image, INT64_MAX / 1000000 + 1, 1, 0),
    706            AOM_CODEC_INVALID_PARAM);
    707 #if ULONG_MAX > INT64_MAX
    708  // duration is too big.
    709  ASSERT_EQ(aom_codec_encode(&enc, image, 0, (1ul << 63), 0),
    710            AOM_CODEC_INVALID_PARAM);
    711  // pts + duration is too big.
    712  ASSERT_EQ(aom_codec_encode(&enc, image, 1, INT64_MAX, 0),
    713            AOM_CODEC_INVALID_PARAM);
    714 #endif
    715  // pts + duration, when converted to ticks, is too big.
    716 #if ULONG_MAX > INT64_MAX
    717  ASSERT_EQ(aom_codec_encode(&enc, image, 0, 0x1c0a0a1a3232, 0),
    718            AOM_CODEC_INVALID_PARAM);
    719 #endif
    720  ASSERT_EQ(aom_codec_encode(&enc, image, INT64_MAX / 1000000, 1, 0),
    721            AOM_CODEC_INVALID_PARAM);
    722 
    723  // Free resources.
    724  aom_img_free(image);
    725  aom_codec_destroy(&enc);
    726 }
    727 
    728 // Reproduces https://crbug.com/339877165.
    729 TEST(EncodeAPI, Buganizer339877165) {
    730  // Initialize libaom encoder.
    731  aom_codec_iface_t *const iface = aom_codec_av1_cx();
    732  aom_codec_ctx_t enc;
    733  aom_codec_enc_cfg_t cfg;
    734 
    735  ASSERT_EQ(aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_REALTIME),
    736            AOM_CODEC_OK);
    737 
    738  cfg.g_w = 2560;
    739  cfg.g_h = 1600;
    740  cfg.rc_target_bitrate = 231;
    741  cfg.rc_end_usage = AOM_CBR;
    742  cfg.g_threads = 8;
    743 
    744  ASSERT_EQ(aom_codec_enc_init(&enc, iface, &cfg, 0), AOM_CODEC_OK);
    745 
    746  // From libaom_av1_encoder.cc in WebRTC.
    747  ASSERT_EQ(aom_codec_control(&enc, AOME_SET_CPUUSED, 11), AOM_CODEC_OK);
    748  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_CDEF, 1), AOM_CODEC_OK);
    749  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_TPL_MODEL, 0),
    750            AOM_CODEC_OK);
    751  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_DELTAQ_MODE, 0), AOM_CODEC_OK);
    752  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_ORDER_HINT, 0),
    753            AOM_CODEC_OK);
    754  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_AQ_MODE, 3), AOM_CODEC_OK);
    755  ASSERT_EQ(aom_codec_control(&enc, AOME_SET_MAX_INTRA_BITRATE_PCT, 300),
    756            AOM_CODEC_OK);
    757  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_COEFF_COST_UPD_FREQ, 3),
    758            AOM_CODEC_OK);
    759  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_MODE_COST_UPD_FREQ, 3),
    760            AOM_CODEC_OK);
    761  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_MV_COST_UPD_FREQ, 3),
    762            AOM_CODEC_OK);
    763  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_TUNE_CONTENT, AOM_CONTENT_SCREEN),
    764            AOM_CODEC_OK);
    765  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_PALETTE, 1), AOM_CODEC_OK);
    766  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_TILE_ROWS, 1), AOM_CODEC_OK);
    767  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_TILE_COLUMNS, 2), AOM_CODEC_OK);
    768  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_OBMC, 0), AOM_CODEC_OK);
    769  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_NOISE_SENSITIVITY, 0),
    770            AOM_CODEC_OK);
    771  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_WARPED_MOTION, 0),
    772            AOM_CODEC_OK);
    773  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_GLOBAL_MOTION, 0),
    774            AOM_CODEC_OK);
    775  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_REF_FRAME_MVS, 0),
    776            AOM_CODEC_OK);
    777  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_SUPERBLOCK_SIZE,
    778                              AOM_SUPERBLOCK_SIZE_DYNAMIC),
    779            AOM_CODEC_OK);
    780  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_CFL_INTRA, 0),
    781            AOM_CODEC_OK);
    782  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_SMOOTH_INTRA, 0),
    783            AOM_CODEC_OK);
    784  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_ANGLE_DELTA, 0),
    785            AOM_CODEC_OK);
    786  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_FILTER_INTRA, 0),
    787            AOM_CODEC_OK);
    788  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_INTRA_DEFAULT_TX_ONLY, 1),
    789            AOM_CODEC_OK);
    790  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_DISABLE_TRELLIS_QUANT, 1),
    791            AOM_CODEC_OK);
    792  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_DIST_WTD_COMP, 0),
    793            AOM_CODEC_OK);
    794  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_DIFF_WTD_COMP, 0),
    795            AOM_CODEC_OK);
    796  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_DUAL_FILTER, 0),
    797            AOM_CODEC_OK);
    798  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_INTERINTRA_COMP, 0),
    799            AOM_CODEC_OK);
    800  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_INTERINTRA_WEDGE, 0),
    801            AOM_CODEC_OK);
    802  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_INTRA_EDGE_FILTER, 0),
    803            AOM_CODEC_OK);
    804  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_INTRABC, 0), AOM_CODEC_OK);
    805  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_MASKED_COMP, 0),
    806            AOM_CODEC_OK);
    807  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_PAETH_INTRA, 0),
    808            AOM_CODEC_OK);
    809  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_QM, 0), AOM_CODEC_OK);
    810  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_RECT_PARTITIONS, 0),
    811            AOM_CODEC_OK);
    812  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_RESTORATION, 0),
    813            AOM_CODEC_OK);
    814  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_SMOOTH_INTERINTRA, 0),
    815            AOM_CODEC_OK);
    816  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_ENABLE_TX64, 0), AOM_CODEC_OK);
    817  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_MAX_REFERENCE_FRAMES, 3),
    818            AOM_CODEC_OK);
    819  ASSERT_EQ(aom_codec_enc_config_set(&enc, &cfg), AOM_CODEC_OK);
    820 
    821  aom_svc_params_t svc_params = {};
    822  svc_params.number_spatial_layers = 2;
    823  svc_params.number_temporal_layers = 1;
    824  svc_params.max_quantizers[0] = svc_params.max_quantizers[1] = 56;
    825  svc_params.min_quantizers[0] = svc_params.min_quantizers[1] = 10;
    826  svc_params.scaling_factor_num[0] = svc_params.scaling_factor_num[1] = 1;
    827  svc_params.scaling_factor_den[0] = 2;
    828  svc_params.scaling_factor_den[1] = 1;
    829  svc_params.layer_target_bitrate[0] = cfg.rc_target_bitrate;
    830  svc_params.framerate_factor[0] = 1;
    831  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_SVC_PARAMS, &svc_params),
    832            AOM_CODEC_OK);
    833 
    834  aom_svc_layer_id_t layer_id = {};
    835  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_SVC_LAYER_ID, &layer_id),
    836            AOM_CODEC_OK);
    837 
    838  aom_svc_ref_frame_config_t ref_frame_config = {};
    839  ref_frame_config.refresh[0] = 1;
    840  ASSERT_EQ(
    841      aom_codec_control(&enc, AV1E_SET_SVC_REF_FRAME_CONFIG, &ref_frame_config),
    842      AOM_CODEC_OK);
    843 
    844  // Create input image.
    845  aom_image_t *const image =
    846      CreateGrayImage(AOM_IMG_FMT_I420, cfg.g_w, cfg.g_h);
    847  ASSERT_NE(image, nullptr);
    848 
    849  // Encode layer 0.
    850  ASSERT_EQ(aom_codec_encode(&enc, image, 0, 1, 0), AOM_CODEC_OK);
    851 
    852  layer_id.spatial_layer_id = 1;
    853  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_SVC_LAYER_ID, &layer_id),
    854            AOM_CODEC_OK);
    855 
    856  ref_frame_config.refresh[0] = 0;
    857  ASSERT_EQ(
    858      aom_codec_control(&enc, AV1E_SET_SVC_REF_FRAME_CONFIG, &ref_frame_config),
    859      AOM_CODEC_OK);
    860 
    861  // Encode layer 1.
    862  ASSERT_EQ(aom_codec_encode(&enc, image, 0, 1, 0), AOM_CODEC_OK);
    863 
    864  // Free resources.
    865  aom_img_free(image);
    866  aom_codec_destroy(&enc);
    867 }
    868 
    869 TEST(EncodeAPI, AomediaIssue3509VbrMinSection2Percent) {
    870  // Initialize libaom encoder.
    871  aom_codec_iface_t *const iface = aom_codec_av1_cx();
    872  aom_codec_ctx_t enc;
    873  aom_codec_enc_cfg_t cfg;
    874 
    875  ASSERT_EQ(aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_REALTIME),
    876            AOM_CODEC_OK);
    877 
    878  cfg.g_w = 1920;
    879  cfg.g_h = 1080;
    880  cfg.rc_target_bitrate = 1000000;
    881  // Set this to more than 1 percent to cause a signed integer overflow in the
    882  // multiplication rc->avg_frame_bandwidth * oxcf->rc_cfg.vbrmin_section in
    883  // av1_rc_update_framerate() if the multiplication is done in the `int` type.
    884  cfg.rc_2pass_vbr_minsection_pct = 2;
    885 
    886  ASSERT_EQ(aom_codec_enc_init(&enc, iface, &cfg, 0), AOM_CODEC_OK);
    887 
    888  // Create input image.
    889  aom_image_t *const image =
    890      CreateGrayImage(AOM_IMG_FMT_I420, cfg.g_w, cfg.g_h);
    891  ASSERT_NE(image, nullptr);
    892 
    893  // Encode frame.
    894  // `duration` can go as high as 300, but the UBSan error is gone if
    895  // `duration` is 301 or higher.
    896  ASSERT_EQ(aom_codec_encode(&enc, image, 0, /*duration=*/300, 0),
    897            AOM_CODEC_OK);
    898 
    899  // Free resources.
    900  aom_img_free(image);
    901  ASSERT_EQ(aom_codec_destroy(&enc), AOM_CODEC_OK);
    902 }
    903 
    904 TEST(EncodeAPI, AomediaIssue3509VbrMinSection101Percent) {
    905  // Initialize libaom encoder.
    906  aom_codec_iface_t *const iface = aom_codec_av1_cx();
    907  aom_codec_ctx_t enc;
    908  aom_codec_enc_cfg_t cfg;
    909 
    910  ASSERT_EQ(aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_REALTIME),
    911            AOM_CODEC_OK);
    912 
    913  cfg.g_w = 1920;
    914  cfg.g_h = 1080;
    915  cfg.rc_target_bitrate = 1000000;
    916  // Set this to more than 100 percent to cause an error when vbr_min_bits is
    917  // cast to `int` in av1_rc_update_framerate() if vbr_min_bits is not clamped
    918  // to INT_MAX.
    919  cfg.rc_2pass_vbr_minsection_pct = 101;
    920 
    921  ASSERT_EQ(aom_codec_enc_init(&enc, iface, &cfg, 0), AOM_CODEC_OK);
    922 
    923  // Create input image.
    924  aom_image_t *const image =
    925      CreateGrayImage(AOM_IMG_FMT_I420, cfg.g_w, cfg.g_h);
    926  ASSERT_NE(image, nullptr);
    927 
    928  // Encode frame.
    929  // `duration` can go as high as 300, but the UBSan error is gone if
    930  // `duration` is 301 or higher.
    931  ASSERT_EQ(aom_codec_encode(&enc, image, 0, /*duration=*/300, 0),
    932            AOM_CODEC_OK);
    933 
    934  // Free resources.
    935  aom_img_free(image);
    936  ASSERT_EQ(aom_codec_destroy(&enc), AOM_CODEC_OK);
    937 }
    938 
    939 TEST(EncodeAPI, Buganizer392929025) {
    940  // Initialize libaom encoder.
    941  aom_codec_iface_t *const iface = aom_codec_av1_cx();
    942  aom_codec_ctx_t enc;
    943  aom_codec_enc_cfg_t cfg;
    944 
    945  ASSERT_EQ(aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_REALTIME),
    946            AOM_CODEC_OK);
    947 
    948  cfg.g_w = 16;
    949  cfg.g_h = 16;
    950 
    951  ASSERT_EQ(aom_codec_enc_init(&enc, iface, &cfg, 0), AOM_CODEC_OK);
    952 
    953  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_MATRIX_COEFFICIENTS,
    954                              AOM_CICP_MC_IDENTITY),
    955            AOM_CODEC_OK);
    956 
    957  // Create input image.
    958  aom_image_t *const image =
    959      CreateGrayImage(AOM_IMG_FMT_I420, cfg.g_w, cfg.g_h);
    960  ASSERT_NE(image, nullptr);
    961 
    962  // Encode frame.
    963  // AOM_CICP_MC_IDENTITY requires subsampling to be 0.
    964  EXPECT_EQ(
    965      aom_codec_encode(&enc, image, /*pts=*/0, /*duration=*/1, /*flags=*/0),
    966      AOM_CODEC_INVALID_PARAM);
    967 
    968  // Attempt to reconfigure with non-zero subsampling.
    969  EXPECT_EQ(aom_codec_control(&enc, AV1E_SET_CHROMA_SUBSAMPLING_X, 1),
    970            AOM_CODEC_INVALID_PARAM);
    971  EXPECT_EQ(aom_codec_control(&enc, AV1E_SET_CHROMA_SUBSAMPLING_Y, 1),
    972            AOM_CODEC_INVALID_PARAM);
    973 
    974  // Free resources.
    975  aom_img_free(image);
    976  ASSERT_EQ(aom_codec_destroy(&enc), AOM_CODEC_OK);
    977 }
    978 
    979 class EncodeAPIParameterized
    980    : public testing::TestWithParam<std::tuple<
    981          /*usage=*/unsigned int, /*speed=*/int, /*aq_mode=*/unsigned int>> {};
    982 
    983 // Encodes two frames at a given usage, speed, and aq_mode setting.
    984 // Reproduces b/303023614
    985 TEST_P(EncodeAPIParameterized, HighBDEncoderHighBDFrames) {
    986  const unsigned int usage = std::get<0>(GetParam());
    987  int speed = std::get<1>(GetParam());
    988 
    989  if (speed == 10 && usage != AOM_USAGE_REALTIME) {
    990    speed = 9;  // 10 is only allowed in AOM_USAGE_REALTIME
    991  }
    992 
    993  aom_codec_iface_t *iface = aom_codec_av1_cx();
    994  aom_codec_enc_cfg_t cfg;
    995  ASSERT_EQ(aom_codec_enc_config_default(iface, &cfg, usage), AOM_CODEC_OK);
    996  cfg.g_w = 500;
    997  cfg.g_h = 400;
    998 
    999  aom_codec_ctx_t enc;
   1000  aom_codec_err_t init_status =
   1001      aom_codec_enc_init(&enc, iface, &cfg, AOM_CODEC_USE_HIGHBITDEPTH);
   1002 #if !CONFIG_AV1_HIGHBITDEPTH
   1003  ASSERT_EQ(init_status, AOM_CODEC_INCAPABLE);
   1004 #else
   1005  ASSERT_EQ(init_status, AOM_CODEC_OK);
   1006 
   1007  const unsigned int aq_mode = std::get<2>(GetParam());
   1008 
   1009  ASSERT_EQ(aom_codec_control(&enc, AOME_SET_CPUUSED, speed), AOM_CODEC_OK);
   1010  ASSERT_EQ(aom_codec_control(&enc, AV1E_SET_AQ_MODE, aq_mode), AOM_CODEC_OK);
   1011 
   1012  aom_image_t *image =
   1013      aom_img_alloc(nullptr, AOM_IMG_FMT_I42016, cfg.g_w, cfg.g_h, 0);
   1014  ASSERT_NE(image, nullptr);
   1015 
   1016  for (unsigned int i = 0; i < image->d_h; ++i) {
   1017    Memset16(image->planes[0] + i * image->stride[0], 128, image->d_w);
   1018  }
   1019  unsigned int uv_h = (image->d_h + 1) / 2;
   1020  unsigned int uv_w = (image->d_w + 1) / 2;
   1021  for (unsigned int i = 0; i < uv_h; ++i) {
   1022    Memset16(image->planes[1] + i * image->stride[1], 128, uv_w);
   1023    Memset16(image->planes[2] + i * image->stride[2], 128, uv_w);
   1024  }
   1025 
   1026  // Encode two frames.
   1027  ASSERT_EQ(
   1028      aom_codec_encode(&enc, image, /*pts=*/0, /*duration=*/1, /*flags=*/0),
   1029      AOM_CODEC_OK);
   1030  ASSERT_EQ(
   1031      aom_codec_encode(&enc, image, /*pts=*/1, /*duration=*/1, /*flags=*/0),
   1032      AOM_CODEC_OK);
   1033 
   1034  aom_img_free(image);
   1035  ASSERT_EQ(aom_codec_destroy(&enc), AOM_CODEC_OK);
   1036 #endif
   1037 }
   1038 
   1039 const unsigned int kUsages[] = {
   1040  AOM_USAGE_REALTIME,
   1041 #if !CONFIG_REALTIME_ONLY
   1042  AOM_USAGE_GOOD_QUALITY,
   1043  AOM_USAGE_ALL_INTRA,
   1044 #endif
   1045 };
   1046 
   1047 INSTANTIATE_TEST_SUITE_P(All, EncodeAPIParameterized,
   1048                         testing::Combine(
   1049                             /*usage=*/testing::ValuesIn(kUsages),
   1050                             /*speed=*/testing::Values(6, 7, 10),
   1051                             /*aq_mode=*/testing::Values(0, 1, 2, 3)));
   1052 
   1053 #if !CONFIG_REALTIME_ONLY
   1054 TEST(EncodeAPI, AllIntraMode) {
   1055  aom_codec_iface_t *iface = aom_codec_av1_cx();
   1056  aom_codec_ctx_t enc;
   1057  aom_codec_enc_cfg_t cfg;
   1058  EXPECT_EQ(AOM_CODEC_OK,
   1059            aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_ALL_INTRA));
   1060  EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_init(&enc, iface, &cfg, 0));
   1061  EXPECT_EQ(AOM_CODEC_OK, aom_codec_destroy(&enc));
   1062 
   1063  // Set g_lag_in_frames to a nonzero value. This should cause
   1064  // aom_codec_enc_init() to fail.
   1065  EXPECT_EQ(AOM_CODEC_OK,
   1066            aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_ALL_INTRA));
   1067  cfg.g_lag_in_frames = 1;
   1068  EXPECT_EQ(AOM_CODEC_INVALID_PARAM, aom_codec_enc_init(&enc, iface, &cfg, 0));
   1069 
   1070  // Set kf_max_dist to a nonzero value. This should cause aom_codec_enc_init()
   1071  // to fail.
   1072  EXPECT_EQ(AOM_CODEC_OK,
   1073            aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_ALL_INTRA));
   1074  cfg.kf_max_dist = 1;
   1075  EXPECT_EQ(AOM_CODEC_INVALID_PARAM, aom_codec_enc_init(&enc, iface, &cfg, 0));
   1076 }
   1077 
   1078 TEST(EncodeAPI, AllIntraAndUsePsnr) {
   1079  aom_codec_iface_t *iface = aom_codec_av1_cx();
   1080  aom_codec_enc_cfg_t cfg;
   1081  ASSERT_EQ(aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_ALL_INTRA),
   1082            AOM_CODEC_OK);
   1083 
   1084  aom_codec_ctx_t enc;
   1085  ASSERT_EQ(aom_codec_enc_init(&enc, iface, &cfg, AOM_CODEC_USE_PSNR),
   1086            AOM_CODEC_OK);
   1087 
   1088  aom_image_t *image = CreateGrayImage(AOM_IMG_FMT_I420, cfg.g_w, cfg.g_h);
   1089  ASSERT_NE(image, nullptr);
   1090 
   1091  ASSERT_EQ(aom_codec_encode(&enc, image, 0, 1, 0), AOM_CODEC_OK);
   1092  const aom_codec_cx_pkt_t *pkt;
   1093  aom_codec_iter_t iter = nullptr;
   1094  while ((pkt = aom_codec_get_cx_data(&enc, &iter)) != nullptr) {
   1095    if (pkt->kind != AOM_CODEC_CX_FRAME_PKT) {
   1096      ASSERT_EQ(pkt->kind, AOM_CODEC_PSNR_PKT);
   1097    }
   1098  }
   1099 
   1100  aom_img_free(image);
   1101  ASSERT_EQ(aom_codec_destroy(&enc), AOM_CODEC_OK);
   1102 }
   1103 
   1104 TEST(EncodeAPI, AllIntraAndTuneIq) {
   1105  aom_codec_iface_t *iface = aom_codec_av1_cx();
   1106  aom_codec_enc_cfg_t cfg;
   1107  ASSERT_EQ(aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_ALL_INTRA),
   1108            AOM_CODEC_OK);
   1109 
   1110  aom_codec_ctx_t enc;
   1111  ASSERT_EQ(aom_codec_enc_init(&enc, iface, &cfg, 0), AOM_CODEC_OK);
   1112 
   1113  ASSERT_EQ(aom_codec_control(&enc, AOME_SET_TUNING, AOM_TUNE_SSIMULACRA2),
   1114            AOM_CODEC_OK);
   1115 
   1116  aom_image_t *image = CreateGrayImage(AOM_IMG_FMT_I420, cfg.g_w, cfg.g_h);
   1117  ASSERT_NE(image, nullptr);
   1118 
   1119  ASSERT_EQ(aom_codec_encode(&enc, image, 0, 1, 0), AOM_CODEC_OK);
   1120  const aom_codec_cx_pkt_t *pkt;
   1121  aom_codec_iter_t iter = nullptr;
   1122  pkt = aom_codec_get_cx_data(&enc, &iter);
   1123  ASSERT_NE(pkt, nullptr);
   1124  ASSERT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
   1125  pkt = aom_codec_get_cx_data(&enc, &iter);
   1126  ASSERT_EQ(pkt, nullptr);
   1127 
   1128  // Flush the encoder.
   1129  ASSERT_EQ(aom_codec_encode(&enc, nullptr, 0, 0, 0), AOM_CODEC_OK);
   1130  iter = nullptr;
   1131  pkt = aom_codec_get_cx_data(&enc, &iter);
   1132  ASSERT_EQ(pkt, nullptr);
   1133 
   1134  aom_img_free(image);
   1135  ASSERT_EQ(aom_codec_destroy(&enc), AOM_CODEC_OK);
   1136 }
   1137 
   1138 // A test that reproduces bug aomedia:3534.
   1139 TEST(EncodeAPI, AllIntraAndNoRefLast) {
   1140  aom_codec_iface_t *iface = aom_codec_av1_cx();
   1141  aom_codec_enc_cfg_t cfg;
   1142  ASSERT_EQ(aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_ALL_INTRA),
   1143            AOM_CODEC_OK);
   1144 
   1145  aom_codec_ctx_t enc;
   1146  ASSERT_EQ(aom_codec_enc_init(&enc, iface, &cfg, 0), AOM_CODEC_OK);
   1147 
   1148  aom_image_t *image = CreateGrayImage(AOM_IMG_FMT_I420, cfg.g_w, cfg.g_h);
   1149  ASSERT_NE(image, nullptr);
   1150 
   1151  ASSERT_EQ(aom_codec_encode(&enc, image, 0, 1, AOM_EFLAG_NO_REF_LAST),
   1152            AOM_CODEC_OK);
   1153 
   1154  aom_img_free(image);
   1155  ASSERT_EQ(aom_codec_destroy(&enc), AOM_CODEC_OK);
   1156 }
   1157 #endif  // !CONFIG_REALTIME_ONLY
   1158 
   1159 TEST(EncodeAPI, PerFramePsnr) {
   1160  aom_codec_iface_t *iface = aom_codec_av1_cx();
   1161  aom_codec_enc_cfg_t cfg;
   1162  ASSERT_EQ(aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_REALTIME),
   1163            AOM_CODEC_OK);
   1164  ASSERT_EQ(cfg.g_lag_in_frames, 0);
   1165 
   1166  aom_codec_ctx_t enc;
   1167  ASSERT_EQ(aom_codec_enc_init(&enc, iface, &cfg, 0), AOM_CODEC_OK);
   1168 
   1169  aom_image_t *image = CreateGrayImage(AOM_IMG_FMT_I420, cfg.g_w, cfg.g_h);
   1170  ASSERT_NE(image, nullptr);
   1171 
   1172  aom_enc_frame_flags_t psnr_flags = AOM_EFLAG_CALCULATE_PSNR;
   1173  ASSERT_EQ(
   1174      aom_codec_encode(&enc, image, /*pts=*/0, /*duration=*/1, psnr_flags),
   1175      AOM_CODEC_OK);
   1176 
   1177  const aom_codec_cx_pkt_t *pkt;
   1178  aom_codec_iter_t iter = nullptr;
   1179  bool had_psnr = false;
   1180  while ((pkt = aom_codec_get_cx_data(&enc, &iter)) != nullptr) {
   1181    if (pkt->kind != AOM_CODEC_CX_FRAME_PKT) {
   1182      ASSERT_EQ(pkt->kind, AOM_CODEC_PSNR_PKT);
   1183      had_psnr = true;
   1184    }
   1185  }
   1186  EXPECT_TRUE(had_psnr);
   1187 
   1188  aom_enc_frame_flags_t no_psnr_flags = 0;
   1189  ASSERT_EQ(
   1190      aom_codec_encode(&enc, image, /*pts=*/1, /*duration=*/1, no_psnr_flags),
   1191      AOM_CODEC_OK);
   1192 
   1193  iter = nullptr;
   1194  had_psnr = false;
   1195  while ((pkt = aom_codec_get_cx_data(&enc, &iter)) != nullptr) {
   1196    if (pkt->kind != AOM_CODEC_CX_FRAME_PKT) {
   1197      ASSERT_EQ(pkt->kind, AOM_CODEC_PSNR_PKT);
   1198      had_psnr = true;
   1199    }
   1200  }
   1201 #if CONFIG_INTERNAL_STATS
   1202  // CONFIG_INTERNAL_STATS unconditionally generates PSNR.
   1203  EXPECT_TRUE(had_psnr);
   1204 #else
   1205  EXPECT_FALSE(had_psnr);
   1206 #endif  // CONFIG_INTERNAL_STATS
   1207 
   1208  aom_img_free(image);
   1209  ASSERT_EQ(aom_codec_destroy(&enc), AOM_CODEC_OK);
   1210 }
   1211 
   1212 #if !CONFIG_REALTIME_ONLY
   1213 TEST(EncodeAPI, PerFramePsnrGoodQualityZeroLagInFrames) {
   1214  aom_codec_iface_t *iface = aom_codec_av1_cx();
   1215  aom_codec_enc_cfg_t cfg;
   1216  ASSERT_EQ(aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_GOOD_QUALITY),
   1217            AOM_CODEC_OK);
   1218  ASSERT_NE(cfg.g_lag_in_frames, 0);
   1219  cfg.g_lag_in_frames = 0;
   1220 
   1221  aom_codec_ctx_t enc;
   1222  ASSERT_EQ(aom_codec_enc_init(&enc, iface, &cfg, 0), AOM_CODEC_OK);
   1223 
   1224  aom_image_t *image = CreateGrayImage(AOM_IMG_FMT_I420, cfg.g_w, cfg.g_h);
   1225  ASSERT_NE(image, nullptr);
   1226 
   1227  aom_enc_frame_flags_t psnr_flags = AOM_EFLAG_CALCULATE_PSNR;
   1228  ASSERT_EQ(
   1229      aom_codec_encode(&enc, image, /*pts=*/0, /*duration=*/1, psnr_flags),
   1230      AOM_CODEC_OK);
   1231  const aom_codec_cx_pkt_t *pkt;
   1232  aom_codec_iter_t iter = nullptr;
   1233  bool had_psnr = false;
   1234  while ((pkt = aom_codec_get_cx_data(&enc, &iter)) != nullptr) {
   1235    if (pkt->kind != AOM_CODEC_CX_FRAME_PKT) {
   1236      ASSERT_EQ(pkt->kind, AOM_CODEC_PSNR_PKT);
   1237      had_psnr = true;
   1238    }
   1239  }
   1240  EXPECT_TRUE(had_psnr);
   1241 
   1242  aom_enc_frame_flags_t no_psnr_flags = 0;
   1243  ASSERT_EQ(
   1244      aom_codec_encode(&enc, image, /*pts=*/1, /*duration=*/1, no_psnr_flags),
   1245      AOM_CODEC_OK);
   1246  iter = nullptr;
   1247  had_psnr = false;
   1248  while ((pkt = aom_codec_get_cx_data(&enc, &iter)) != nullptr) {
   1249    if (pkt->kind != AOM_CODEC_CX_FRAME_PKT) {
   1250      ASSERT_EQ(pkt->kind, AOM_CODEC_PSNR_PKT);
   1251      had_psnr = true;
   1252    }
   1253  }
   1254 #if CONFIG_INTERNAL_STATS
   1255  // CONFIG_INTERNAL_STATS unconditionally generates PSNR.
   1256  EXPECT_TRUE(had_psnr);
   1257 #else
   1258  EXPECT_FALSE(had_psnr);
   1259 #endif  // CONFIG_INTERNAL_STATS
   1260  aom_img_free(image);
   1261  ASSERT_EQ(aom_codec_destroy(&enc), AOM_CODEC_OK);
   1262 }
   1263 
   1264 TEST(EncodeAPI, PerFramePsnrNotSupportedWithLagInFrames) {
   1265  aom_codec_iface_t *iface = aom_codec_av1_cx();
   1266  aom_codec_enc_cfg_t cfg;
   1267  ASSERT_EQ(aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_GOOD_QUALITY),
   1268            AOM_CODEC_OK);
   1269  ASSERT_NE(cfg.g_lag_in_frames, 0);
   1270 
   1271  aom_codec_ctx_t enc;
   1272  ASSERT_EQ(aom_codec_enc_init(&enc, iface, &cfg, 0), AOM_CODEC_OK);
   1273 
   1274  aom_image_t *image = CreateGrayImage(AOM_IMG_FMT_I420, cfg.g_w, cfg.g_h);
   1275  ASSERT_NE(image, nullptr);
   1276 
   1277  aom_enc_frame_flags_t psnr_flags = AOM_EFLAG_CALCULATE_PSNR;
   1278  ASSERT_EQ(
   1279      aom_codec_encode(&enc, image, /*pts=*/0, /*duration=*/1, psnr_flags),
   1280      AOM_CODEC_INCAPABLE);
   1281 
   1282  aom_img_free(image);
   1283  ASSERT_EQ(aom_codec_destroy(&enc), AOM_CODEC_OK);
   1284 }
   1285 #endif  // !CONFIG_REALTIME_ONLY
   1286 
   1287 }  // namespace