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I compared a little more between how JRVR does HDRtoSDR vs HDRtoHDR TMing.

I see with HDRtoSDR even on scenes with low peaks it consistently shows spline TMing 203->203, and then as the peak increases above 203 but below specified display peak (say, 400, in this example) it will show something like 300->300, for example, and then if peak increases beyond display peak it will then show something like 500->400, for example.

But with HDRtoHDR it shows no TMing until suddenly when peak increases beyond display peak it will then show something like 500->400, for example.  And because of this, we get this issue with a suddenly ugly jump in the image.

HDRtoHDR should behave exactly the same as HDRtoSDR other than any color space differences and obviously final output transfer function.  But from a TMing perspective, it should be the same, and I believe that's the fix for this issue.

You could try switching the track change mode in Options > Audio.

If you fully stop, then play a single file, do you still have a problem? Right-click a single file and pick "Play".

If it's just certain APE files, you could provide a sample to me. I'm matt at jriver.

Thanks.

I noticed some skipping on ape files in the start of song on New media player 34
The player starts from the first song plays about 1 to 2 seconds and then goes to the song i selected

had similar problems on 2 systems:MacMini M1 and M4; while rebuilding thumbnails; once all procedures have ended everything is stable. Be patient and just restart as many times as you need.

I have no problems with MC on Fedora 42. After installation are you restoring a library backup and/or importing the same media?

Since your errors seem tangentially related to display issues, what GPU are you using and which driver?

Are there any errors in the journal or dmesg that may provide more insight?

I have a Windows machine but the HDMI output is horrible.

That shouldn't be the case, you should focus on fixing this issue instead.

Please include the MacOS version.

You can have Extras for both Movies and TV Shows, but the TMDB API has different endpoints to lookup Movie (search/movie) or TV info (search/tv), and then there are secondary queries needed to get the actual movie or series/episode details, so MC needs to know which API to use. There's also a "search/multi" API that searches a title match on both movies and TV shows (and people), but it can return many fake positives making it unsuitable for bulk lookups. MC could however use it for single-title lookups or when the MediaSubType is not movie/tvshow.

https://developer.themoviedb.org/reference/search-multi

Thanks, for the reply and explanation, Zybex.   I didn't know how the processes worked under the floorboards.  FWIW, Single title lookup is what I'd like to do for non-movie titles in the TMDB/Wiki databases if it were possible, i.e. same as for individual movie title lookup - highlight the item and "Get Movie and TV Info".   

Recently I had a Apple Mac update ...

It's likely that's the cause.

This is the latest build of JRiver Media Center 34.  Please post bugs here.  Please start a new thread for anything requiring discussion.  Non-bug posts will be deleted.

Download 64-bit build
https://files.jriver-cdn.com/mediacenter/channels/v34/latest/MediaCenter340029-x64.exe (works on 64 bit systems only)

Download 32-bit build
https://files.jriver-cdn.com/mediacenter/channels/v34/latest/MediaCenter340029.exe (works on all systems)

34.0.29 (5/20/2025)

1. Fixed: Cloudplay did not open correctly in the previous build.

34.0.28 (5/19/2025)

1. Changed: Internal changes to web browsing functionality for improved stability.
2. Changed: PDF and TXT files are played in an MC browser window only if the selected playback method is Automatic.
3. Changed: Do not write Rich Data field to file tags.
4. Changed: Removed the "Support extra long filenames" option and just always have the option enabled.

34.0.27 (5/15/2025)

1. NEW: Extras can be zipped and imported as Rich Data files via View Extras menu.

34.0.26 (5/13/2025)

1. Changed: Added webp to the list of supported cover art formats when adding from a file.
2. Fixed: Restoring a library backup did not restore thumbnails properly since the new size was added.
3. NEW: Added a new wake on LAN rule to Options > File Location that allows waking an IP and MAC address during playback of files.

34.0.25 (5/8/2025)

1. Changed: Moved the side surrounds before the rear surrounds for 7.1.4 layouts (to adhere to the Dolby standard).
2. NEW: Added a new 16 channel output "9.1.6 Channels (16 channel Dolby Atmos configuration)".

34.0.24 (5/6/2025)

1. Fixed: The option to render Theater View as BT.2020 would tint the image due to some transposed numbers.
2. Fixed: Lyrics lookup tries to trim band biographies from the beginning that started showing up recently.
3. Fixed: Not all VST channel arrangements saved properly (will need to resave because of this change).
4. Fixed: Building thumbnails would leave temporary image files in the Temp folder.

34.0.23 (5/1/2025)

1. Fixed: Figured out the necessary channel arrangement for VST3 7.1.4 (it's different than the MC arrangement) (thanks Chris Connaker!).
2. Changed: Removed the VST channel selection node for 7.1.4 because it is no longer needed.
3. Changed: Rich Data is now viewable on library clients.

34.0.22 (4/29/2025)

1. Changed: Added a new node to the VST channel selection for "Dolby 7.1.4" (it needs a different VST define than Steinberg::Vst::SpeakerArr::k71_4).