Skip to content

Dolby Vision: don't map dovi metadata for full enhancement layer #272

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
Aleksoid1978 merged 1 commit into from
Jun 13, 2026
Merged

Dolby Vision: don't map dovi metadata for full enhancement layer #272

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 4 additions & 0 deletions Source/VideoProcessor.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -278,6 +278,10 @@ bool CVideoProcessor::CheckDoviMetadata(const MediaSideDataDOVIMetadata* pDOVIMe
return false;
}

// Ignore Profile 7 Full Enhancement Layer as its currently not supported
if (SourceIsDoviFel(pDOVIMetadata))
return false;

for (const auto& curve : pDOVIMetadata->Mapping.curves) {
if (curve.num_pivots < 2 || curve.num_pivots > 9) {
return false;
Expand Down
18 changes: 18 additions & 0 deletions Source/VideoProcessor.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -244,6 +244,24 @@ class CVideoProcessor
return SourceIsPQorHLG() || m_Dovi.bValid;
}

// Check if source is Dolby Vision Full Enhancement Layer
inline bool SourceIsDoviFel(const MediaSideDataDOVIMetadata* pDOVIMetadata) {
if (pDOVIMetadata->Header.disable_residual_flag)
return false;

if (pDOVIMetadata->Mapping.nlq_method_idc == 0) {
for (uint8_t i = 0; i < 3; i++) {
if (pDOVIMetadata->Mapping.nlq[i].nlq_offset != 0 ||
pDOVIMetadata->Mapping.nlq[i].vdr_in_max != (1ULL << pDOVIMetadata->Header.coef_log2_denom) ||
pDOVIMetadata->Mapping.nlq[i].linear_deadzone_slope != 0 ||
pDOVIMetadata->Mapping.nlq[i].linear_deadzone_threshold != 0)
return true;
}
}

return false;
}

void UpdateStatsInputFmt();

CRefTime m_streamTime;
Expand Down
Loading