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[BUG] Slides go black when video finishes #293

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jeertmans opened this issue Oct 19, 2023 · 1 comment · Fixed by #297
Closed

[BUG] Slides go black when video finishes #293

jeertmans opened this issue Oct 19, 2023 · 1 comment · Fixed by #297
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bug Something isn't working present Related to the main "present" feature qt Related to Qt (or its Python binding)

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@jeertmans
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jeertmans commented Oct 19, 2023 •
edited

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This issue is tracked here: https://bugreports.qt.io/browse/QTBUG-118501.

Description

When presenting non-looping slides, each slide goes to black when the video has finished playing.

This is a visual issue because transition are therefore brutal.

I have reached the PySide6 community for help, waiting for a response: https://forum.qt.io/topic/151237/qmediaplayer-stopping-on-last-frame.

Version

v5

Platform

Linux

Screenshots

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Additional information

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@jeertmans jeertmans added bug Something isn't working present Related to the main "present" feature labels Oct 19, 2023
@jeertmans
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This is apparently a bug introduced in PySide6 v6.5.3, I will force the PySide6 version and wait for a bug fix or response from Qt.

jeertmans added a commit that referenced this issue Oct 23, 2023
@jeertmans
fix(deps): PySide6 player black screen
cfcc8d0 
Fixes #293
@jeertmans jeertmans mentioned this issue Oct 23, 2023
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jeertmans added a commit that referenced this issue Oct 23, 2023
@jeertmans
fix(deps): PySide6 player black screen (#297)
56b1ffe 
Fixes #293
@jeertmans jeertmans mentioned this issue Nov 20, 2023
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@jeertmans jeertmans mentioned this issue Jan 12, 2024
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@mmcilree mmcilree mentioned this issue Jan 29, 2024
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@jeertmans jeertmans mentioned this issue Feb 12, 2024
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@jeertmans jeertmans mentioned this issue Feb 22, 2024
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jeertmans added a commit that referenced this issue Feb 27, 2024
@jeertmans
fix(present): bug with Qt and Windows + debug messages
d58af3a 
Apparently, the "recommended* versions of Qt (i.e., Qt 6.5.1 and 6.5.2) produces errors.

I could not exactly re-produce #315, but I also have `failed to get textures for frame; format: 172 textureConverter null` in the output, as #315 (comment) mentioned.

After searching a bit, this feels like the faulty lines are (at least related to) https://github.com/jeertmans/manim-slides/blob/1dbd2fdde58030867f15d7bf0ecede11d59d6903/manim_slides/present/player.py#L245-L247.

I could not yet find a fix for that, but I created this PR for testing purposes... I also added quite a few debug prints, for the future.

When upgrading  Qt to 6.5.3 and above, the error message disappear, but we then have the same visual issue as described in #293.
@jeertmans jeertmans mentioned this issue Feb 27, 2024
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@jeertmans jeertmans pinned this issue Apr 8, 2024
@jeertmans jeertmans changed the title [BUG] Slides go black when video [BUG] Slides go black when video finishes Apr 8, 2024
@jeertmans jeertmans added the qt Related to Qt (or its Python binding) label Apr 8, 2024
@Judafa Judafa mentioned this issue May 9, 2024
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@mateuszdrwal mateuszdrwal mentioned this issue May 22, 2024
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fix(deps): PySide6 player black screen jeertmans/manim-slides
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