diff options
Diffstat (limited to 'src/picture_asset.cc')
| -rw-r--r-- | src/picture_asset.cc | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/src/picture_asset.cc b/src/picture_asset.cc index 8d3b0347..045ab51a 100644 --- a/src/picture_asset.cc +++ b/src/picture_asset.cc @@ -63,7 +63,7 @@ void PictureAsset::write_to_cpl (xmlpp::Element* node) const { MXFAsset::write_to_cpl (node); - + xmlpp::Node::NodeList c = node->get_children (); xmlpp::Node::NodeList::iterator i = c.begin(); while (i != c.end() && (*i)->get_name() != cpl_node_name ()) { @@ -106,7 +106,7 @@ PictureAsset::descriptor_equals ( // a.CodingStyleDefault != b.CodingStyleDefault || // a.QuantizationDefault != b.QuantizationDefault ) { - + note (ERROR, "video MXF picture descriptors differ"); return false; } @@ -114,7 +114,7 @@ PictureAsset::descriptor_equals ( if (a.ContainerDuration != b.ContainerDuration) { note (ERROR, "video container durations differ"); } - + // for (unsigned int j = 0; j < ASDCP::JP2K::MaxComponents; ++j) { // if (a.ImageComponents[j] != b.ImageComponents[j]) { // notes.pack_start ("video MXF picture descriptors differ"); @@ -135,24 +135,24 @@ PictureAsset::frame_buffer_equals ( /* Easy result; the J2K data is identical */ return true; } - + /* Decompress the images to bitmaps */ shared_ptr<XYZFrame> image_A = decompress_j2k (const_cast<uint8_t*> (data_A), size_A, 0); shared_ptr<XYZFrame> image_B = decompress_j2k (const_cast<uint8_t*> (data_B), size_B, 0); - + /* Compare them */ - + vector<int> abs_diffs (image_A->size().width * image_A->size().height * 3); int d = 0; int max_diff = 0; - + for (int c = 0; c < 3; ++c) { - + if (image_A->size() != image_B->size()) { note (ERROR, "image sizes for frame " + lexical_cast<string>(frame) + " differ"); return false; } - + int const pixels = image_A->size().width * image_A->size().height; for (int j = 0; j < pixels; ++j) { int const t = abs (image_A->data(c)[j] - image_B->data(c)[j]); @@ -160,23 +160,23 @@ PictureAsset::frame_buffer_equals ( max_diff = max (max_diff, t); } } - + uint64_t total = 0; for (vector<int>::iterator j = abs_diffs.begin(); j != abs_diffs.end(); ++j) { total += *j; } - + double const mean = double (total) / abs_diffs.size (); - + uint64_t total_squared_deviation = 0; for (vector<int>::iterator j = abs_diffs.begin(); j != abs_diffs.end(); ++j) { total_squared_deviation += pow (*j - mean, 2); } - + double const std_dev = sqrt (double (total_squared_deviation) / abs_diffs.size()); - + note (NOTE, "mean difference " + lexical_cast<string> (mean) + ", deviation " + lexical_cast<string> (std_dev)); - + if (mean > opt.max_mean_pixel_error) { note ( ERROR, @@ -184,7 +184,7 @@ PictureAsset::frame_buffer_equals ( " out of range " + lexical_cast<string>(opt.max_mean_pixel_error) + " in frame " + lexical_cast<string>(frame) ); - + return false; } @@ -195,7 +195,7 @@ PictureAsset::frame_buffer_equals ( " out of range " + lexical_cast<string>(opt.max_std_dev_pixel_error) + " in frame " + lexical_cast<string>(frame) ); - + return false; } |