An option to set delay?

[boohboot]

Hey man, thats an amazing tool you've created. I want to ask, Is there a possibility to set a delay? Its seems like my meta data kicks in too early by less then a second. Im trying to create an hybrid movie with metadata from web-dl. I had to trim the video so both sources would start at the same frame and it did work but it wasnt enough since hevc cant be cropped presicly if im not mistaken, is there somthing else I can try?

[quietvoid]

Just edit the JSON to duplicate metadata. Should be straight forward in Python or anything else.

I don't plan on adding any editing features, since the file is readable and the metadata can easily be manipulated.

[boohboot]

Does this represent 1 frame? In order to create a delay of half a second do I need to insert 12 of these? { "BezierCurveData": { "Anchors": [ 102, 205, 307, 410, 512, 614, 717, 819, 922 ], "KneePointX": 0, "KneePointY": 0 }, "LuminanceParameters": { "AverageRGB": 0, "LuminanceDistributions": { "DistributionIndex": [ 1, 5, 10, 25, 50, 75, 90, 95, 99 ], "DistributionValues": [ 0, 0, 100, 0, 0, 0, 0, 0, 0 ] }, "MaxScl": [ 0, 0, 0 ] }, "NumberOfWindows": 1, "TargetedSystemDisplayMaximumLuminance": 400, "SceneFrameIndex": 0, "SceneId": 0, "SequenceFrameIndex": 0 }, { "BezierCurveData": { "Anchors": [ 102, 205, 307, 410, 512, 614, 717, 819, 922 ], "KneePointX": 0, "KneePointY": 0 }, "LuminanceParameters": { "AverageRGB": 0, "LuminanceDistributions": { "DistributionIndex": [ 1, 5, 10, 25, 50, 75, 90, 95, 99 ], "DistributionValues": [ 0, 0, 100, 0, 0, 0, 0, 0, 0 ] }, "MaxScl": [ 0, 0, 0 ] }, "NumberOfWindows": 1, "TargetedSystemDisplayMaximumLuminance": 400, "SceneFrameIndex": 1, "SceneId": 0, "SequenceFrameIndex": 1

[boohboot]

There seems to to be 2 sry. Are these 2 frames?

[quietvoid]

Frames are the objects in the SceneInfo array.

[boohboot]

Yeah that's where I took it from.

[boohboot]

My goodness, its was off by 40ms which equals to 1 frame LOL. Thanks for the help and keep up the good work.

[Anuskuss]

Sorry for necroing but I also need to delay some metadata. I understand that I need to duplicate the first entry in SceneInfo nth times but don't I also need to delay each entry in SceneInfoSummary/SceneFirstFrameIndex by n? Also don't I need to recalculate SceneInfoSummary/SceneFrameNumbers, or at least the first entry? What about SceneInfo/0/SequenceFrameIndex? Is it allowed to have the same index multiple times or do I need to add n to each entry after my clones? Could you provide a proper tutorial please?

[quietvoid]

Depends on what you do with the JSON. For encoding, only the entries in SceneInfo are relevant.

For use with other tools that use the first/total frames, they must be recalculated.

[Anuskuss]

Is encoding the same as injecting? Because that's what I wanna do: I extracted the HDR10+ metadata from one source and am trying to inject it into a DV source, but I do need to delay it. So you're saying duplicating entries in SceneInfo and then injecting will do?

[quietvoid]

For injecting you just need to duplicate the entries in SceneInfo. It uses the metadata in the order of the array.

[Anuskuss]

Okay thanks for the info. Would still prefer an "official" way but I might write a little script for myself only.

[Anuskuss]

Wrote the script and verified metadata.json (it's correct) but I got

Error: Invalid PPS index

after injecting. Why?

[quietvoid]

I have no idea what commands you're running, how do you expect me to know what's going on?

[Anuskuss]

Okay this doesn't seem to be related to the original issue so I'm going to open a new one.