Function TEST

pj_scene2D/tests/thumbnail_codec_test.cpp:25–38

}  // namespace

TEST(ThumbnailCodec, EncodeDecodeRoundtripNoDownscale) {
  auto src = makeYuv420(64, 48, 0x80);  // <= 1280 wide -> no downscale
  auto thumb = PJ::encodeThumbnailJpeg(src, PJ::kThumbnailMaxWidth, PJ::kThumbnailJpegQuality);
  ASSERT_FALSE(thumb.jpeg.empty());
  EXPECT_EQ(thumb.width, 64);
  EXPECT_EQ(thumb.height, 48);

  auto frame = PJ::decodeThumbnailJpeg(thumb.jpeg.data(), thumb.jpeg.size(), thumb.width, thumb.height);
  ASSERT_TRUE(frame.has_value());
  EXPECT_EQ(frame->width, 64);
  EXPECT_EQ(frame->height, 48);
  EXPECT_EQ(frame->format, PJ::PixelFormat::kYUV420P);
  EXPECT_TRUE(frame->isValid());
}

TEST(ThumbnailCodec, DownscalesAboveCap) {
  auto src = makeYuv420(3840, 2160, 0x40);  // 4K -> cap at 1280 wide