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  1. Qt
  2. QTBUG-137876

[Boot2Qt] Not possible to record a video with camera app on i.MX 8M Mini EVK

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    • Linux/Yocto

    Description

      MacOS 15.4.1

      Qt Creator 17.0.0

      Qt 6.9.1

       

      Device: i.MX 8M Mini EVK

       

      Steps to reproduce:

      1. Run QML camera example.
      2. Switch to video mode and start recording.
      3. Stop the recording and view the recorded video.

      Expected: The recorded video is played.

      Actual: The video shows just first frame and cannot be played. Logs from the console: 

      "QT_QPA_EGLFS_KMS_ATOMIC" "1" "QT_QPA_EGLFS_KMS_CONFIG" "/etc/kms.conf" "QT_QPA_PLATFORM" "eglfs" "/usr/examples/multimedia/declarative-camera/declarative-camera" QList("-platform", "wayland-egl") qt.qpa.wayland: qtvirtualkeyboard currently is not supported at client-side, use QT_IM_MODULES=qtvirtualkeyboard at compositor-side. qt.multimedia.gstreamer: Using Qt multimedia with GStreamer version: "GStreamer 1.24.7" QGstElement::getPipeline failed for element: videoConvert {name: videoConvert, parent: camerabin, qos: 1, method: (not implemented: GstVideoScaleMethod), add-borders: 1, sharpness: 1, sharpen: 0, dither: (not implemented: GstVideoDitherMethod), envelope: 2, n-threads: 1, dither-quantization: 1, chroma-resampler: (not implemented: GstVideoResamplerMethod), alpha-mode: (not implemented: GstVideoAlphaMode), alpha-value: 1, chroma-mode: (not implemented: GstVideoChromaMode), matrix-mode: (not implemented: GstVideoMatrixMode), gamma-mode: (not implemented: GstVideoGammaMode), primaries-mode: (not implemented: GstVideoPrimariesMode), converter-config: null} qml: State: Other(declarative-camera:2526): GStreamer-CRITICAL **: 14:55:49.066: gst_object_ref_sink: assertion 'object != NULL' failed(declarative-camera:2526): GStreamer-CRITICAL **: 14:55:49.091: gst_object_ref_sink: assertion 'object != NULL' failed(declarative-camera:2526): GStreamer-CRITICAL **: 14:55:49.091: gst_object_ref_sink: assertion 'object != NULL' failed(declarative-camera:2526): GStreamer-CRITICAL **: 14:55:49.225: gst_object_ref_sink: assertion 'object != NULL' failed 

      Reproducibility:  100%

       

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              lars.sutterud Lars Sutterud
              lkos Łukasz Kosiorowski
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