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  1. Qt
  2. QTBUG-136802

Linking against static FFmpeg that has VAAPI support enabled causes build to fail

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    • Linux/Wayland

    Description

      Multimedia build doesn't add -lva-drm -lva-x11 libraries when linking and that causes:

      [14/2218] Linking CXX shared module qtbase/plugins/multimedia/libffmpegmediaplugin.so
      FAILED: qtbase/plugins/multimedia/libffmpegmediaplugin.so
      ..
      /usr/bin/ld: /usr/local/ffmpeg/7.1/lib/libavutil.a(hwcontext_vaapi.o): in function `vaapi_device_derive':
      /home/user/ffmpeg-7.1/libavutil/hwcontext_vaapi.c:2044: undefined reference to `vaGetDisplayDRM'
      /usr/bin/ld: /usr/local/ffmpeg/7.1/lib/libavutil.a(hwcontext_vaapi.o): in function `vaapi_device_create':
      /home/user/projects/ffmpeg-7.1/libavutil/hwcontext_vaapi.c:1846: undefined reference to `vaGetDisplayDRM'
      /usr/bin/ld: /home/user/ffmpeg-7.1/libavutil/hwcontext_vaapi.c:1864: undefined reference to `vaGetDisplay'
      collect2: error: ld returned 1 exit status
      

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          For Gerrit Dashboard: QTBUG-136802
          # Subject Branch Project Status CR V

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              timblechmann tim blechmann
              poikelin Joni Poikelin
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                Updated:

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