| // Copyright 2022 Yuan Tong. All rights reserved. |
| // SPDX-License-Identifier: BSD-2-Clause |
| |
| #include <map> |
| #include <string> |
| |
| #include "avif/avif.h" |
| #include "aviftest_helpers.h" |
| #include "gtest/gtest.h" |
| |
| namespace libavif { |
| namespace { |
| |
| void TestEncodeDecode(avifCodecChoice codec, |
| const std::map<std::string, std::string>& init_cs_options, |
| bool can_encode, bool use_cq) { |
| if (avifCodecName(codec, AVIF_CODEC_FLAG_CAN_ENCODE) == nullptr) { |
| GTEST_SKIP() << "Codec unavailable, skip test."; |
| } |
| |
| constexpr uint32_t kImageSize = 512; |
| testutil::AvifImagePtr image = testutil::CreateImage( |
| kImageSize, kImageSize, /*depth=*/8, AVIF_PIXEL_FORMAT_YUV420, |
| AVIF_PLANES_YUV, AVIF_RANGE_FULL); |
| ASSERT_NE(image, nullptr); |
| testutil::FillImageGradient(image.get()); |
| |
| // Encode |
| testutil::AvifEncoderPtr encoder(avifEncoderCreate(), avifEncoderDestroy); |
| ASSERT_NE(encoder, nullptr); |
| encoder->codecChoice = codec; |
| encoder->speed = AVIF_SPEED_FASTEST; |
| encoder->timescale = 1; |
| |
| for (const auto& option : init_cs_options) { |
| ASSERT_EQ(avifEncoderSetCodecSpecificOption( |
| encoder.get(), option.first.c_str(), option.second.c_str()), |
| AVIF_RESULT_OK); |
| } |
| |
| if (use_cq) { |
| encoder->minQuantizer = 0; |
| encoder->maxQuantizer = 63; |
| ASSERT_EQ( |
| avifEncoderSetCodecSpecificOption(encoder.get(), "end-usage", "q"), |
| AVIF_RESULT_OK); |
| ASSERT_EQ( |
| avifEncoderSetCodecSpecificOption(encoder.get(), "cq-level", "63"), |
| AVIF_RESULT_OK); |
| } else { |
| encoder->minQuantizer = 63; |
| encoder->maxQuantizer = 63; |
| } |
| |
| ASSERT_EQ(avifEncoderAddImage(encoder.get(), image.get(), 1, |
| AVIF_ADD_IMAGE_FLAG_FORCE_KEYFRAME), |
| AVIF_RESULT_OK); |
| |
| if (use_cq) { |
| ASSERT_EQ(avifEncoderSetCodecSpecificOption(encoder.get(), "cq-level", "0"), |
| AVIF_RESULT_OK); |
| } else { |
| encoder->minQuantizer = 0; |
| encoder->maxQuantizer = 0; |
| } |
| |
| if (!can_encode) { |
| ASSERT_EQ(avifEncoderAddImage(encoder.get(), image.get(), 1, |
| AVIF_ADD_IMAGE_FLAG_FORCE_KEYFRAME), |
| AVIF_RESULT_NOT_IMPLEMENTED); |
| |
| return; |
| } |
| |
| ASSERT_EQ(avifEncoderAddImage(encoder.get(), image.get(), 1, |
| AVIF_ADD_IMAGE_FLAG_FORCE_KEYFRAME), |
| AVIF_RESULT_OK); |
| |
| testutil::AvifRwData encodedAvif; |
| ASSERT_EQ(avifEncoderFinish(encoder.get(), &encodedAvif), AVIF_RESULT_OK); |
| |
| // Decode |
| testutil::AvifDecoderPtr decoder(avifDecoderCreate(), avifDecoderDestroy); |
| ASSERT_NE(decoder, nullptr); |
| |
| // The second frame is set to have far better quality, |
| // and should be much bigger, so small amount of data at beginning |
| // should be enough to decode the first frame. |
| avifIO* io = testutil::AvifIOCreateLimitedReader( |
| avifIOCreateMemoryReader(encodedAvif.data, encodedAvif.size), |
| encodedAvif.size / 10); |
| ASSERT_NE(io, nullptr); |
| avifDecoderSetIO(decoder.get(), io); |
| ASSERT_EQ(avifDecoderParse(decoder.get()), AVIF_RESULT_OK); |
| ASSERT_EQ(avifDecoderNextImage(decoder.get()), AVIF_RESULT_OK); |
| ASSERT_EQ(avifDecoderNextImage(decoder.get()), AVIF_RESULT_WAITING_ON_IO); |
| reinterpret_cast<testutil::AvifIOLimitedReader*>(io)->clamp = |
| testutil::AvifIOLimitedReader::kNoClamp; |
| ASSERT_EQ(avifDecoderNextImage(decoder.get()), AVIF_RESULT_OK); |
| ASSERT_EQ(avifDecoderNextImage(decoder.get()), |
| AVIF_RESULT_NO_IMAGES_REMAINING); |
| } |
| |
| TEST(ChangeSettingTest, AOM) { |
| // Test if changes to AV1 encode settings are detected. |
| TestEncodeDecode(AVIF_CODEC_CHOICE_AOM, {{"end-usage", "cbr"}}, true, false); |
| |
| // Test if changes to codec specific options are detected. |
| TestEncodeDecode(AVIF_CODEC_CHOICE_AOM, {}, true, true); |
| } |
| |
| TEST(ChangeSettingTest, RAV1E) { |
| TestEncodeDecode(AVIF_CODEC_CHOICE_RAV1E, {}, false, false); |
| } |
| |
| TEST(ChangeSettingTest, SVT) { |
| TestEncodeDecode(AVIF_CODEC_CHOICE_SVT, {}, false, false); |
| } |
| |
| TEST(ChangeSettingTest, UnchangeableSetting) { |
| if (avifCodecName(AVIF_CODEC_CHOICE_AOM, AVIF_CODEC_FLAG_CAN_ENCODE) == |
| nullptr) { |
| GTEST_SKIP() << "Codec unavailable, skip test."; |
| } |
| |
| constexpr uint32_t kImageSize = 512; |
| testutil::AvifImagePtr image = testutil::CreateImage( |
| kImageSize, kImageSize, /*depth=*/8, AVIF_PIXEL_FORMAT_YUV420, |
| AVIF_PLANES_YUV, AVIF_RANGE_FULL); |
| ASSERT_NE(image, nullptr); |
| testutil::FillImageGradient(image.get()); |
| |
| // Encode |
| testutil::AvifEncoderPtr encoder(avifEncoderCreate(), avifEncoderDestroy); |
| ASSERT_NE(encoder, nullptr); |
| encoder->codecChoice = AVIF_CODEC_CHOICE_AOM; |
| encoder->speed = AVIF_SPEED_FASTEST; |
| encoder->timescale = 1; |
| ASSERT_EQ(encoder->repetitionCount, AVIF_REPETITION_COUNT_INFINITE); |
| encoder->minQuantizer = 63; |
| encoder->maxQuantizer = 63; |
| |
| ASSERT_EQ(avifEncoderAddImage(encoder.get(), image.get(), 1, |
| AVIF_ADD_IMAGE_FLAG_FORCE_KEYFRAME), |
| AVIF_RESULT_OK); |
| |
| encoder->timescale = 2; |
| ASSERT_EQ(avifEncoderAddImage(encoder.get(), image.get(), 1, |
| AVIF_ADD_IMAGE_FLAG_FORCE_KEYFRAME), |
| AVIF_RESULT_CANNOT_CHANGE_SETTING); |
| |
| encoder->timescale = 1; |
| ASSERT_EQ(avifEncoderAddImage(encoder.get(), image.get(), 1, |
| AVIF_ADD_IMAGE_FLAG_FORCE_KEYFRAME), |
| AVIF_RESULT_OK); |
| |
| encoder->repetitionCount = 0; |
| ASSERT_EQ(avifEncoderAddImage(encoder.get(), image.get(), 1, |
| AVIF_ADD_IMAGE_FLAG_FORCE_KEYFRAME), |
| AVIF_RESULT_CANNOT_CHANGE_SETTING); |
| } |
| |
| TEST(ChangeSettingTest, UnchangeableImageColorRange) { |
| if (avifCodecName(AVIF_CODEC_CHOICE_AOM, AVIF_CODEC_FLAG_CAN_ENCODE) == |
| nullptr) { |
| GTEST_SKIP() << "Codec unavailable, skip test."; |
| } |
| |
| constexpr uint32_t kImageSize = 512; |
| testutil::AvifImagePtr image = testutil::CreateImage( |
| kImageSize, kImageSize, /*depth=*/8, AVIF_PIXEL_FORMAT_YUV420, |
| AVIF_PLANES_YUV, AVIF_RANGE_FULL); |
| ASSERT_NE(image, nullptr); |
| const uint32_t yuva[] = {128, 128, 128, 255}; |
| testutil::FillImagePlain(image.get(), yuva); |
| |
| // Encode |
| testutil::AvifEncoderPtr encoder(avifEncoderCreate(), avifEncoderDestroy); |
| ASSERT_NE(encoder, nullptr); |
| encoder->codecChoice = AVIF_CODEC_CHOICE_AOM; |
| encoder->speed = AVIF_SPEED_FASTEST; |
| encoder->timescale = 1; |
| ASSERT_EQ(encoder->repetitionCount, AVIF_REPETITION_COUNT_INFINITE); |
| encoder->quality = AVIF_QUALITY_WORST; |
| |
| ASSERT_EQ(avifEncoderAddImage(encoder.get(), image.get(), 1, |
| AVIF_ADD_IMAGE_FLAG_NONE), |
| AVIF_RESULT_OK); |
| |
| ASSERT_EQ(avifEncoderAddImage(encoder.get(), image.get(), 1, |
| AVIF_ADD_IMAGE_FLAG_NONE), |
| AVIF_RESULT_OK); |
| |
| image->yuvRange = AVIF_RANGE_LIMITED; |
| ASSERT_EQ(avifEncoderAddImage(encoder.get(), image.get(), 1, |
| AVIF_ADD_IMAGE_FLAG_NONE), |
| AVIF_RESULT_INCOMPATIBLE_IMAGE); |
| } |
| |
| TEST(ChangeSettingTest, UnchangeableImageChromaSamplePosition) { |
| if (avifCodecName(AVIF_CODEC_CHOICE_AOM, AVIF_CODEC_FLAG_CAN_ENCODE) == |
| nullptr) { |
| GTEST_SKIP() << "Codec unavailable, skip test."; |
| } |
| |
| constexpr uint32_t kImageSize = 512; |
| testutil::AvifImagePtr image = testutil::CreateImage( |
| kImageSize, kImageSize, /*depth=*/8, AVIF_PIXEL_FORMAT_YUV420, |
| AVIF_PLANES_YUV, AVIF_RANGE_FULL); |
| ASSERT_NE(image, nullptr); |
| const uint32_t yuva[] = {128, 128, 128, 255}; |
| testutil::FillImagePlain(image.get(), yuva); |
| |
| // Encode |
| testutil::AvifEncoderPtr encoder(avifEncoderCreate(), avifEncoderDestroy); |
| ASSERT_NE(encoder, nullptr); |
| encoder->codecChoice = AVIF_CODEC_CHOICE_AOM; |
| encoder->speed = AVIF_SPEED_FASTEST; |
| encoder->timescale = 1; |
| ASSERT_EQ(encoder->repetitionCount, AVIF_REPETITION_COUNT_INFINITE); |
| encoder->quality = AVIF_QUALITY_WORST; |
| |
| ASSERT_EQ(avifEncoderAddImage(encoder.get(), image.get(), 1, |
| AVIF_ADD_IMAGE_FLAG_NONE), |
| AVIF_RESULT_OK); |
| |
| ASSERT_EQ(avifEncoderAddImage(encoder.get(), image.get(), 1, |
| AVIF_ADD_IMAGE_FLAG_NONE), |
| AVIF_RESULT_OK); |
| |
| ASSERT_EQ(image->yuvChromaSamplePosition, |
| AVIF_CHROMA_SAMPLE_POSITION_UNKNOWN); |
| image->yuvChromaSamplePosition = AVIF_CHROMA_SAMPLE_POSITION_VERTICAL; |
| ASSERT_EQ(avifEncoderAddImage(encoder.get(), image.get(), 1, |
| AVIF_ADD_IMAGE_FLAG_NONE), |
| AVIF_RESULT_INCOMPATIBLE_IMAGE); |
| } |
| |
| } // namespace |
| } // namespace libavif |
