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  1. Qt
  2. QTBUG-124725

[Camera] The video recorded with webcam on macOS is corrupted - it only displays green flashing noise

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    • Icon: Bug Bug
    • Resolution: Fixed
    • Icon: P1: Critical P1: Critical
    • 6.5.7, 6.7.3, 6.8
    • 6.7.0
    • Multimedia
    • None
    • macOS
    • a44410fa8 (dev), b2dbd40fd (6.8), bed30bdc5 (6.7), e6e1993df (tqtc/lts-6.5)
    • Multimedia wk 19-20, Multimedia wk 21-22, Multimedia wk 23-24

      MacOS 14.4

      Qt Creator 13.0.0

      Qt 6.7.0

       

      Steps to reproduce:

      1. Open any camera example (widgets or QML camera)
      2. Record a video with connected FHD webcam (USB).
      3. Play the video.

      Expected: The video shows what has been recorded.

      Actual: The video shows a green flashing nose - it looks like corrupted (See attached) and the following logs start to continuously appear in the console:

      qt.multimedia.ffmpeg.videoencoder: Scaled height -22 != 1080
      [swscaler @ 0x7fb330048000] bad src image pointers
      qt.multimedia.ffmpeg.videoencoder: Scaled height -22 != 1080
      [swscaler @ 0x7fb330048000] bad src image pointers
      qt.multimedia.ffmpeg.videoencoder: Scaled height -22 != 1080
      [swscaler @ 0x7fb330048000] bad src image pointers
      qt.multimedia.ffmpeg.videoencoder: Scaled height -22 != 1080
      [swscaler @ 0x7fb330048000] bad src image pointers
      qt.multimedia.ffmpeg.videoencoder: Scaled height -22 != 1080
      [swscaler @ 0x7fb330048000] bad src image pointers
      qt.multimedia.ffmpeg.videoencoder: Scaled height -22 != 1080
      [swscaler @ 0x7fb330048000] bad src image pointers
      qt.multimedia.ffmpeg.videoencoder: Scaled height -22 != 1080
      [swscaler @ 0x7fb330048000] bad src image pointers
      qt.multimedia.ffmpeg.videoencoder: Scaled height -22 != 1080
      [swscaler @ 0x7fb330048000] bad src image pointers
      qt.multimedia.ffmpeg.videoencoder: Scaled height -22 != 1080
      [swscaler @ 0x7fb330048000] bad src image pointers
      qt.multimedia.ffmpeg.videoencoder: Scaled height -22 != 1080
      [swscaler @ 0x7fb330048000] bad src image pointers
      qt.multimedia.ffmpeg.videoencoder: Scaled height -22 != 1080
      [swscaler @ 0x7fb330048000] bad src image pointers
      qt.multimedia.ffmpeg.videoencoder: Scaled height -22 != 1080
      [swscaler @ 0x7fb330048000] bad src image pointers
      qt.multimedia.ffmpeg.videoencoder: Scaled height -22 != 1080
      [swscaler @ 0x7fb330048000] bad src image pointers
      qt.multimedia.ffmpeg.videoencoder: Scaled height -22 != 1080
      [swscaler @ 0x7fb330048000] bad src image pointers
      qt.multimedia.ffmpeg.videoencoder: Scaled height -22 != 1080
      [swscaler @ 0x7fb330048000] bad src image pointers
      qt.multimedia.ffmpeg.videoencoder: Scaled height -22 != 1080
      [swscaler @ 0x7fb330048000] bad src image pointers
      qt.multimedia.ffmpeg.videoencoder: Scaled height -22 != 1080
      [swscaler @ 0x7fb330048000] bad src image pointers
      qt.multimedia.ffmpeg.videoencoder: Scaled height -22 != 1080
      [swscaler @ 0x7fb330048000] bad src image pointers
      qt.multimedia.ffmpeg.videoencoder: Scaled height -22 != 1080
      [swscaler @ 0x7fb330048000] bad src image pointers
      qt.multimedia.ffmpeg.videoencoder: Scaled height -22 != 1080
      [swscaler @ 0x7fb330048000] bad src image pointers
      qt.multimedia.ffmpeg.videoencoder: Scaled height -22 != 1080
      [swscaler @ 0x7fb330048000] bad src image pointers
      qt.multimedia.ffmpeg.videoencoder: Scaled height -22 != 1080
      [swscaler @ 0x7fb330048000] bad src image pointers
      qt.multimedia.ffmpeg.videoencoder: Scaled height -22 != 1080 

      Reproducibility:  100% 
       

        For Gerrit Dashboard: QTBUG-124725
        # Subject Branch Project Status CR V

            tpochep Timur Pocheptsov
            lkos Łukasz Kosiorowski
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              Created:
              Updated:
              Resolved:

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