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Update AV1 unit testing to verify pixel values, to ensure correct decoding

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This commit is contained in:
Jonathan Thomas
2022-11-15 14:33:03 -06:00
parent e9aa87c3f3
commit cbff18ad95
1 changed files with 48 additions and 9 deletions
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57
tests/FFmpegReader.cpp
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@@ -285,7 +285,7 @@ TEST_CASE( "DisplayInfo", "[libopenshot][ffmpegreader]" )
CHECK(output.str().substr(0, expected.size()) == expected);
}
TEST_CASE( "Decode_AV1_to_PNG", "[libopenshot][ffmpegreader]" )
TEST_CASE( "Decoding AV1 Video", "[libopenshot][ffmpegreader]" )
{
// Create a reader
std::stringstream path;
@@ -293,14 +293,53 @@ TEST_CASE( "Decode_AV1_to_PNG", "[libopenshot][ffmpegreader]" )
FFmpegReader r(path.str());
r.Open();
for (long int frame = 1; frame <= 200; frame++)
{
std::cout << "Requesting Frame: #: " << frame << std::endl;
std::stringstream output;
output << "frame-" << frame << ".png";
std::shared_ptr<Frame> f = r.GetFrame(frame);
f->Save(output.str(), 1.0, "PNG");
}
std::shared_ptr<Frame> f = r.GetFrame(1);
// Get the image data
const unsigned char* pixels = f->GetPixels(10);
int pixel_index = 112 * 4;
// Check image properties on scanline 10, pixel 112
CHECK((int)pixels[pixel_index] == Approx(0).margin(5));
CHECK((int)pixels[pixel_index + 1] == Approx(0).margin(5));
CHECK((int)pixels[pixel_index + 2] == Approx(0).margin(5));
CHECK((int)pixels[pixel_index + 3] == Approx(255).margin(5));
f = r.GetFrame(90);
// Get the image data
pixels = f->GetPixels(820);
pixel_index = 930 * 4;
// Check image properties on scanline 820, pixel 930
CHECK((int)pixels[pixel_index] == Approx(255).margin(5));
CHECK((int)pixels[pixel_index + 1] == Approx(255).margin(5));
CHECK((int)pixels[pixel_index + 2] == Approx(255).margin(5));
CHECK((int)pixels[pixel_index + 3] == Approx(255).margin(5));
f = r.GetFrame(160);
// Get the image data
pixels = f->GetPixels(420);
pixel_index = 930 * 4;
// Check image properties on scanline 820, pixel 930
CHECK((int)pixels[pixel_index] == Approx(255).margin(5));
CHECK((int)pixels[pixel_index + 1] == Approx(255).margin(5));
CHECK((int)pixels[pixel_index + 2] == Approx(255).margin(5));
CHECK((int)pixels[pixel_index + 3] == Approx(255).margin(5));
f = r.GetFrame(240);
// Get the image data
pixels = f->GetPixels(624);
pixel_index = 930 * 4;
// Check image properties on scanline 820, pixel 930
CHECK((int)pixels[pixel_index] == Approx(255).margin(5));
CHECK((int)pixels[pixel_index + 1] == Approx(255).margin(5));
CHECK((int)pixels[pixel_index + 2] == Approx(255).margin(5));
CHECK((int)pixels[pixel_index + 3] == Approx(255).margin(5));
// Close reader
r.Close();