Thanks. Please forgive me this is my first bug report.

I attached the journal.txt. The bug exist in 0.40.0-3ubuntu1 and
0.40.0-9ubuntu1~ubuntu2504 (custom build using Ubuntu 25.04) but not in
0.40.0-0ubuntu1~ubuntu2410 (custom build using Ubuntu 24.10).

Please let me know if more info I need to provide. Thanks.

** Attachment added: "journal.txt"
   
https://bugs.launchpad.net/ubuntu/+source/mpv/+bug/2107924/+attachment/5873499/+files/journal.txt

** Description changed:

  The MPV in 24.10 was running fine but I experience drop frame in 25.04
  build.
  
  # Download a 720p VP9.2 60fps sample video from Youtube
  yt-dlp -f 334+249 LXb3EKWsInQ
  # Play the video
  mpv COSTA\ RICA\ IN\ 4K\ 60fps\ HDR\ \(ULTRA\ HD\)\ \[LXb3EKWsInQ\].webm --fs 
--start=0
  
  In addition, the dropped frame is gone when I use the community-built MPV 
also have the similar behavior
- # This is MPV 0.40 for Ubuntu 25.04, I also experience dropped frame
+ # This is MPV 0.40 built using Ubuntu 25.04, I also experience dropped frame
  
https://launchpad.net/~ubuntuhandbook1/+archive/ubuntu/mpv/+files/mpv_0.40.0-9ubuntu1~ubuntu2504_amd64.deb
- # This is MPV 0.40 for Ubuntu 24.10, there is no dropped frame
+ # This is MPV 0.40 built using Ubuntu 24.10, there is no dropped frame
  
https://launchpad.net/~ubuntuhandbook1/+archive/ubuntu/mpv/+files/mpv_0.40.0-0ubuntu1~ubuntu2410_amd64.deb
  
  ProblemType: Bug
  DistroRelease: Ubuntu 25.04
  Package: mpv 0.40.0-3ubuntu1
  Uname: Linux 6.15.0-061500rc3-generic x86_64
  ApportVersion: 2.32.0-0ubuntu5
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Apr 22 07:43:21 2025
  InstallationDate: Installed on 2024-12-04 (139 days ago)
  InstallationMedia: Ubuntu 24.10 "Oracular Oriole" - Release amd64 (20241009.4)
  SourcePackage: mpv
  UpgradeStatus: Upgraded to plucky on 2025-04-03 (19 days ago)

** Description changed:

- The MPV in 24.10 was running fine but I experience drop frame in 25.04
- build.
+ I experience drop frame using 0.40.0-3ubuntu1. Here are the ways that
+ can reproduce the situation on my device.
  
  # Download a 720p VP9.2 60fps sample video from Youtube
  yt-dlp -f 334+249 LXb3EKWsInQ
  # Play the video
  mpv COSTA\ RICA\ IN\ 4K\ 60fps\ HDR\ \(ULTRA\ HD\)\ \[LXb3EKWsInQ\].webm --fs 
--start=0
  
  In addition, the dropped frame is gone when I use the community-built MPV 
also have the similar behavior
  # This is MPV 0.40 built using Ubuntu 25.04, I also experience dropped frame
  
https://launchpad.net/~ubuntuhandbook1/+archive/ubuntu/mpv/+files/mpv_0.40.0-9ubuntu1~ubuntu2504_amd64.deb
  # This is MPV 0.40 built using Ubuntu 24.10, there is no dropped frame
  
https://launchpad.net/~ubuntuhandbook1/+archive/ubuntu/mpv/+files/mpv_0.40.0-0ubuntu1~ubuntu2410_amd64.deb
  
  ProblemType: Bug
  DistroRelease: Ubuntu 25.04
  Package: mpv 0.40.0-3ubuntu1
  Uname: Linux 6.15.0-061500rc3-generic x86_64
  ApportVersion: 2.32.0-0ubuntu5
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Apr 22 07:43:21 2025
  InstallationDate: Installed on 2024-12-04 (139 days ago)
  InstallationMedia: Ubuntu 24.10 "Oracular Oriole" - Release amd64 (20241009.4)
  SourcePackage: mpv
  UpgradeStatus: Upgraded to plucky on 2025-04-03 (19 days ago)

** Description changed:

  I experience drop frame using 0.40.0-3ubuntu1. Here are the ways that
- can reproduce the situation on my device.
+ can reproduce the situation on my laptop:
  
  # Download a 720p VP9.2 60fps sample video from Youtube
  yt-dlp -f 334+249 LXb3EKWsInQ
  # Play the video
  mpv COSTA\ RICA\ IN\ 4K\ 60fps\ HDR\ \(ULTRA\ HD\)\ \[LXb3EKWsInQ\].webm --fs 
--start=0
  
  In addition, the dropped frame is gone when I use the community-built MPV 
also have the similar behavior
  # This is MPV 0.40 built using Ubuntu 25.04, I also experience dropped frame
  
https://launchpad.net/~ubuntuhandbook1/+archive/ubuntu/mpv/+files/mpv_0.40.0-9ubuntu1~ubuntu2504_amd64.deb
  # This is MPV 0.40 built using Ubuntu 24.10, there is no dropped frame
  
https://launchpad.net/~ubuntuhandbook1/+archive/ubuntu/mpv/+files/mpv_0.40.0-0ubuntu1~ubuntu2410_amd64.deb
  
  ProblemType: Bug
  DistroRelease: Ubuntu 25.04
  Package: mpv 0.40.0-3ubuntu1
  Uname: Linux 6.15.0-061500rc3-generic x86_64
  ApportVersion: 2.32.0-0ubuntu5
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Apr 22 07:43:21 2025
  InstallationDate: Installed on 2024-12-04 (139 days ago)
  InstallationMedia: Ubuntu 24.10 "Oracular Oriole" - Release amd64 (20241009.4)
  SourcePackage: mpv
  UpgradeStatus: Upgraded to plucky on 2025-04-03 (19 days ago)

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https://bugs.launchpad.net/bugs/2107924

Title:
  MPV experience drop frame

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