gdkpixbufoverlay breaks vaapi pipeline

[Nicolas Dufresne]

Le mar. 30 avr. 2019 16 h 25, Wolfgang Grandegger <wg at grandegger.com> a
écrit :

> Hello,
>
> I have a wired problem with the following pipeline:
>
>   $ gst-launch-1.0 udpsrc port=5678 buffer-size=180000000 \
>       ! image/jpeg,format=Y42B,width=1920,height=1080,framerate=50/1 \
>       ! jpegparse disable-passthrough=true
>       ! vaapijpegdec \
>

I'm not fully certain, but I believe you might need to add vaapipostproc
here for this use case. VA element don't produce normal memory, the
postproc can fix that


      ! gdkpixbufoverlay location=logo.png \
>       ! vaapisink
>
> It works fine with the following camera stream:
>
>   Video: mjpeg (jpeg / 0x6765706A), yuvj420p(pc, bt470bg/unknown/unknown,
> progressive), 1920x1080
>
> but the element "gdkpixbufoverlay" breaks it with the stream:
>
>   Video: mjpeg (jpeg / 0x6765706A), yuvj422p(pc, bt470bg/unknown/unknown,
> progressive), 1920x1080
>
> It's 420 vs 422? Then I get the error message:
>
>   WARN        vaapisink
> gstvaapisink.c:1483:gst_vaapisink_show_frame_unlocked:<vaapisink0> could
> not get surface
>   WARN        basesrc gstbasesrc.c:3055:gst_base_src_loop:<udpsrc0> error:
> Internal data stream error.
>   WARN        basesrc gstbasesrc.c:3055:gst_base_src_loop:<udpsrc0> error:
> streaming stopped, reason error (-5)
>   WARN        queue gstqueue.c:988:gst_queue_handle_sink_event:<queue0>
> error: Internal data stream error.
>   WARN        queue gstqueue.c:988:gst_queue_handle_sink_event:<queue0>
> error: streaming stopped, reason error (-5)
>   ERROR: from element /GstPipeline:pipeline0/GstUDPSrc:udpsrc0: Internal
> data stream error.
>   Additional debug info:
>   gstbasesrc.c(3055): gst_base_src_loop ():
> /GstPipeline:pipeline0/GstUDPSrc:udpsrc0:
>   streaming stopped, reason error (-5)
>
> In the log with GST_DEBUG=5 I find in that case:
>
>   DEBUG         vaapi gstvaapiimage.c:293:gst_vaapi_image_new_with_image:
> VA image 0x0a000000, format 422H, size 1920x1080
>   ...
>   DEBUG         vaapidisplay gstvaapidisplay.c:205:append_formats:
> unsupported format 422H
>
> In the good case, I do not find the last line but
>
>   DEBUG         vaapi gstvaapiimage.c:293:gst_vaapi_image_new_with_image:
> VA image 0x0a000000, format IMC3, size 1920x1080
>
> Not sure it it's related, though. It's working fine for both streams
> *without*
> "gdkpixbufoverlay" or *with* "clockoverlay".
>
> Any idea what could go wrong? Anything else I could debug?
>
> TIA,
>
> Wolfgang
>
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