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  • #1540
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Issue created Mar 04, 2021 by Fredrik Pålsson@f_palsson

d3d11 itterating GPUs incorrectly?

I think there is something wrong with the way d3d11 decoders select GPUs. Consider the output from gst-inspect and gst-launch below.

gst-inspect says device1 is Nvidia. When running gst-launch with d3dh264device1dec decoder the .dot produced indicates an Intel card.

gst-inspect-1.0.exe d3d11

...

Version 1.19.0.1

...

d3d11h264dec: Direct3D11 H.264 Intel(R) HD Graphics 530 Decoder

d3d11h264device1dec: Direct3D11 H.264 NVIDIA Quadro M2000M Decoder

...

gst-launch-1.0.exe udpsrc auto-multicast=true uri=udp://239.12.182.1:10200 caps="application/x-rtp,clock-rate=90000" ! rtpjitterbuffer latency=50 ! rtph264depay ! h264parse ! d3d11h264device1dec ! queue ! d3d11videosink

gst-launch.PAUSED_PLAYING.dot:

.....

queue0_038C9D58_src_0386BDB8 -> d3d11videosinkbin0_03870048_sink_03900038 [label="video/x-raw(memory:D3D11Memory)\l format: NV12\l width: 1280\l height: 720\l interlace-mode: progressive\l multiview-mode: mono\l multiview-flags: 0:ffffffff:/right-view...\l pixel-aspect-ratio: 1/1\l framerate: 0/1\l"] subgraph cluster_d3d11h264device1dec0_00BE4768 { fontname="Bitstream Vera Sans"; fontsize="8"; style="filled,rounded"; color=black; label="GstD3D11H264Device1Dec\nd3d11h264device1dec0\n[>]\ndevice-id=6427\nvendor-id=32902"; subgraph cluster_d3d11h264device1dec0_00BE4768_sink { label=""; style="invis"; d3d11h264device1dec0_00BE4768_sink_0386B9B0 [color=black, fillcolor="#aaaaff", label="sink\n[>][bfb]", height="0.2", style="filled,solid"]; }

....

Vendor 32902 = Intel

Edited Mar 04, 2021 by Fredrik Pålsson
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