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  1. Qt
  2. QTBUG-127784

Inaccurate color handling when no RHI backend is available

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • Icon: P3: Somewhat important P3: Somewhat important
    • None
    • 6.5, 6.7, 6.8
    • Multimedia
    • None
    • All
    • f4ae42d8d (dev), fcce6da7c (6.8), 465aa31c2 (6.7), 108455f29 (tqtc/lts-6.5)

      If RHI based rendering is disabled, QVideoFrame converts video frames from YUV to RGB using a CPU implementation instead of the primary shader-based GPU implementation. The output from the CPU implementation of QVideoFrame::toImage() is in some cases failing to apply the correct color transformations, leading to inaccurate output. This is primarily an issue with the offscren QPA plugin, but is causing unit tests to fail if GPU rendering is unavailable or set to offscreen.

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            qtmultimediateam Qt Multimedia Team
            johanseg Jøger Hansegård
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              Created:
              Updated:

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