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/*
* Copyright (c) 2022, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
// Tests for https://crbug.com/aomedia/3326.
//
// Set cfg.g_forced_max_frame_width and cfg.g_forced_max_frame_height and
// encode two frames of increasing sizes. The second aom_codec_encode() should
// not crash or have memory errors.
#include <memory>
#include "aom/aomcx.h"
#include "aom/aom_encoder.h"
#include "config/aom_config.h"
#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
namespace {
// cfg.g_lag_in_frames must be set to 0 or 1 to allow the frame size to change,
// as required by the following check in encoder_set_config() in
// av1/av1_cx_iface.c:
//
// if (cfg->g_w != ctx->cfg.g_w || cfg->g_h != ctx->cfg.g_h) {
// if (cfg->g_lag_in_frames > 1 || cfg->g_pass != AOM_RC_ONE_PASS)
// ERROR("Cannot change width or height after initialization");
// ...
// }
void RunTest(unsigned int usage, unsigned int lag_in_frames,
const char *tune_metric) {
// A buffer of gray samples. Large enough for 128x128 and 256x256, YUV 4:2:0.
constexpr size_t kImageDataSize = 256 * 256 + 2 * 128 * 128;
std::unique_ptr<unsigned char[]> img_data(new unsigned char[kImageDataSize]);
ASSERT_NE(img_data, nullptr);
memset(img_data.get(), 128, kImageDataSize);
aom_codec_iface_t *iface = aom_codec_av1_cx();
aom_codec_enc_cfg_t cfg;
EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_config_default(iface, &cfg, usage));
cfg.g_w = 128;
cfg.g_h = 128;
cfg.g_forced_max_frame_width = 256;
cfg.g_forced_max_frame_height = 256;
cfg.g_lag_in_frames = lag_in_frames;
aom_codec_ctx_t enc;
EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_init(&enc, iface, &cfg, 0));
EXPECT_EQ(AOM_CODEC_OK, aom_codec_set_option(&enc, "tune", tune_metric));
aom_image_t img;
EXPECT_EQ(&img,
aom_img_wrap(&img, AOM_IMG_FMT_I420, 128, 128, 1, img_data.get()));
EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 0, 1, 0));
cfg.g_w = 256;
cfg.g_h = 256;
EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_config_set(&enc, &cfg));
EXPECT_EQ(&img,
aom_img_wrap(&img, AOM_IMG_FMT_I420, 256, 256, 1, img_data.get()));
EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 0, 1, 0));
EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, nullptr, 0, 0, 0));
EXPECT_EQ(AOM_CODEC_OK, aom_codec_destroy(&enc));
}
#if !CONFIG_REALTIME_ONLY
TEST(EncodeForcedMaxFrameWidthHeight, GoodQualityLag0TunePSNR) {
RunTest(AOM_USAGE_GOOD_QUALITY, /*lag_in_frames=*/0, "psnr");
}
TEST(EncodeForcedMaxFrameWidthHeight, GoodQualityLag0TuneSSIM) {
RunTest(AOM_USAGE_GOOD_QUALITY, /*lag_in_frames=*/0, "ssim");
}
TEST(EncodeForcedMaxFrameWidthHeight, GoodQualityLag1TunePSNR) {
RunTest(AOM_USAGE_GOOD_QUALITY, /*lag_in_frames=*/1, "psnr");
}
TEST(EncodeForcedMaxFrameWidthHeight, GoodQualityLag1TuneSSIM) {
RunTest(AOM_USAGE_GOOD_QUALITY, /*lag_in_frames=*/1, "ssim");
}
#endif // !CONFIG_REALTIME_ONLY
TEST(EncodeForcedMaxFrameWidthHeight, RealtimeLag0TunePSNR) {
RunTest(AOM_USAGE_REALTIME, /*lag_in_frames=*/0, "psnr");
}
TEST(EncodeForcedMaxFrameWidthHeight, RealtimeLag0TuneSSIM) {
RunTest(AOM_USAGE_REALTIME, /*lag_in_frames=*/0, "ssim");
}
TEST(EncodeForcedMaxFrameWidthHeight, RealtimeLag1TunePSNR) {
RunTest(AOM_USAGE_REALTIME, /*lag_in_frames=*/1, "psnr");
}
TEST(EncodeForcedMaxFrameWidthHeight, RealtimeLag1TuneSSIM) {
RunTest(AOM_USAGE_REALTIME, /*lag_in_frames=*/1, "ssim");
}
TEST(EncodeForcedMaxFrameWidthHeight, MaxFrameSizeTooBig) {
aom_codec_iface_t *iface = aom_codec_av1_cx();
aom_codec_enc_cfg_t cfg;
EXPECT_EQ(AOM_CODEC_OK,
aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_REALTIME));
cfg.g_w = 256;
cfg.g_h = 256;
cfg.g_forced_max_frame_width = 131072;
cfg.g_forced_max_frame_height = 131072;
aom_codec_ctx_t enc;
EXPECT_EQ(AOM_CODEC_INVALID_PARAM, aom_codec_enc_init(&enc, iface, &cfg, 0));
}
TEST(EncodeForcedMaxFrameWidthHeight, FirstFrameTooBig) {
aom_codec_iface_t *iface = aom_codec_av1_cx();
aom_codec_enc_cfg_t cfg;
EXPECT_EQ(AOM_CODEC_OK,
aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_REALTIME));
cfg.g_w = 258;
cfg.g_h = 256;
cfg.g_forced_max_frame_width = 256;
cfg.g_forced_max_frame_height = 256;
aom_codec_ctx_t enc;
EXPECT_EQ(AOM_CODEC_INVALID_PARAM, aom_codec_enc_init(&enc, iface, &cfg, 0));
cfg.g_w = 256;
cfg.g_h = 258;
EXPECT_EQ(AOM_CODEC_INVALID_PARAM, aom_codec_enc_init(&enc, iface, &cfg, 0));
cfg.g_w = 256;
cfg.g_h = 256;
EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_init(&enc, iface, &cfg, 0));
EXPECT_EQ(AOM_CODEC_OK, aom_codec_destroy(&enc));
}
TEST(EncodeForcedMaxFrameWidthHeight, SecondFrameTooBig) {
// A buffer of gray samples. Large enough for 128x128 and 256x256, YUV 4:2:0.
constexpr size_t kImageDataSize = 256 * 256 + 2 * 128 * 128;
std::unique_ptr<unsigned char[]> img_data(new unsigned char[kImageDataSize]);
ASSERT_NE(img_data, nullptr);
memset(img_data.get(), 128, kImageDataSize);
aom_codec_iface_t *iface = aom_codec_av1_cx();
aom_codec_enc_cfg_t cfg;
EXPECT_EQ(AOM_CODEC_OK,
aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_REALTIME));
cfg.g_w = 128;
cfg.g_h = 128;
cfg.g_forced_max_frame_width = 255;
cfg.g_forced_max_frame_height = 256;
aom_codec_ctx_t enc;
EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_init(&enc, iface, &cfg, 0));
aom_image_t img;
EXPECT_EQ(&img,
aom_img_wrap(&img, AOM_IMG_FMT_I420, 128, 128, 1, img_data.get()));
EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 0, 1, 0));
cfg.g_w = 256;
cfg.g_h = 256;
EXPECT_EQ(AOM_CODEC_INVALID_PARAM, aom_codec_enc_config_set(&enc, &cfg));
EXPECT_EQ(AOM_CODEC_OK, aom_codec_destroy(&enc));
}
} // namespace