Hi. I'm trying to detect the VAAPI JPEG decoder capabilities using vaQueryConfigAttributes(). I'm getting VA_RT_FORMAT_YUV420 as the only value for VAConfigAttribRTFormat when the profile is VAProfileJPEGBaseline and the entrypoint is VAEntrypointVLD. However, based on , it seems that the JPEG decoder would be happy to decode YUV422 images (in fact, YUV422 decoding works when I call vaCreateSurfaces() with VA_RT_FORMAT_YUV422).
Note that when I use vaQuerySurfaceAttributes(), I only get NV12 for VASurfaceAttribPixelFormat, so YUV422 is also not advertised there.
Is this intended behavior?
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