https://bugs.kde.org/show_bug.cgi?id=462464

            Bug ID: 462464
           Summary: Cannot play video files: "An error has occurred with
                    the media player..."
    Classification: Applications
           Product: digikam
           Version: 8.0.0
          Platform: Appimage
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: Albums-MainView
          Assignee: digikam-bugs-n...@kde.org
          Reporter: iwannaber...@gmail.com
  Target Milestone: ---

SUMMARY
I am not sure if it's an issue that has already been reported, but I can't seem
to play video files in the 8.0.0 preview appimage (videos that play fine in
7.9). The view area is grey and shows the message "An error has occurred with
the media player...". However, I can hear the sound of the video. I have tried
both with .mov files in the h264 codec, and .mp4 files with the hevc codec.

In the console, this is what I see:

QtAV::AVDecoder::setCodecContext: Can not copy codec properties when it's open
QtAV::AVDemuxer::setStreamIndex: invalid index 0 ( valid is 0 ~ 0 ) for stream
type 2
QtAV::audioFormatToAL: OpenAL audioFormatToAL error (null context): 0xa004
QtAV::audioFormatToAL: AudioOutputOpenAL Error: No OpenAL format available for
audio data format flt stereo.
QtAV::audioFormatToAL: OpenAL audioFormatToAL error (null context): 0xa004
QtAV::audioFormatToAL: AudioOutputOpenAL Error: No OpenAL format available for
audio data format s32 stereo.
QtAV::audioFormatToAL: OpenAL audioFormatToAL error (null context): 0xa004
QtAV::AudioResamplerFF::prepare: src audio parameters 'channel layout(or
channels),sample rate and sample format must be set before initialize resampler
QtAV::AVPlayerCore::Private::setupVideoThread: "Video codec not found"
QtAV::AudioDecoderFFmpeg::decode: [AudioDecoder] got_frame_ptr=false. decoded:
6, un: 0 Error number 6 occurred
QtAV::AudioDecoderFFmpeg::decode: [AudioDecoder] got_frame_ptr=false. decoded:
369, un: 0 Error number 369 occurred


STEPS TO REPRODUCE
1. In digikam 8.0.0 appimage, double click on any video file.

OBSERVED RESULT
Only audio is heard, no image.

EXPECTED RESULT
Videos plays.

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Kubuntu 22.04 LTS with
digiKam-8.0.0-git-20221124T104306-x86-64.appimage

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