PyQt6.7.2: FFmpeg still freezes QMediaPlayer when quickly switching between audio files during playback

Gdaliy Garmiza gdalik at gmail.com
Sat Jun 22 23:45:28 BST 2024


I have also created the post on the Qt forum
<https://forum.qt.io/topic/157386/py-qt6-6-x-6-7-2-ffmpeg-freezes-qmediaplayer-when-quickly-switching-between-audio-files-during-playback>
.

вс, 23 июн. 2024 г. в 01:22, Gdaliy Garmiza <gdalik at gmail.com>:

> This bug also appeared in versions 6.6.x. It seemed to have suddenly
> disappeared on one of them (I don't remember which one), and then it came
> back again.
>
> This may be the Qt issue or the error of the FFmpeg version, used in Qt.
> In this case, I would be grateful if you help me to promote this report or
> show me the most relevant place for it.
> The behavior is similar on macOS, Windows and Linux.
> Switching to native system backends may cause other issues, but without
> freezing applications.
>
> Here is the GitHub link to my simple test app
> <https://github.com/Gdalik/QMediaPlayerTest/tree/master> (I have updated
> the code a little).
> And here are the screen recordings
> <https://youtu.be/3cF96n2p_Bk?si=mjQwSnqBrtjFt1Dd> of my tests on macOS,
> Windows and Linux, switching from FFmpeg to native system multimedia
> backends.
>
> The bug is better reproducible right after the app/script (re)start.
> Thanks!
>
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