<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style></style></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1>Hi,<o:p></o:p><o:p> </o:p>Is there a way to force libva to use a specific driver? <o:p></o:p><o:p> </o:p>I am looking at the difference between the success case and the failure case.<o:p></o:p><o:p> </o:p>What I notice is that in the success case that libva is loading iHD driver.<o:p></o:p><o:p> </o:p>libva info: VA-API version 1.1.0<o:p></o:p>libva info: va_getDriverName() returns 0<o:p></o:p>libva info: User requested driver 'iHD'<o:p></o:p>libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.s<o:p></o:p><o:p> </o:p>In the failure case libva is loading i965<o:p></o:p><o:p> </o:p>libva info: VA-API version 1.1.0<o:p></o:p>libva info: va_getDriverName() returns 0<o:p></o:p>libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so<o:p></o:p>libva error: /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so has no function __vaDriverInit_1_<o:p></o:p><o:p> </o:p>Why is libva choosing i965 driver in one case and iHD in the other?<o:p></o:p><o:p> </o:p>I do have an environment variable set in both environments as follows.<o:p></o:p><o:p> </o:p>LIBVA_DRIVER_NAME=iHD<o:p></o:p><o:p> </o:p>In order to verify libva, I tried to check the output of vainfo in the failing environment but vainfo won’t run.<o:p></o:p><o:p> </o:p>error: can't connect to X server!<o:p></o:p>error: failed to initialize display<o:p></o:p><o:p> </o:p>Thanks,<o:p></o:p>Rand<o:p></o:p><o:p> </o:p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'>From: gstreamer-devel [mailto:gstreamer-devel-bounces@lists.freedesktop.org] On Behalf Of Rand Graham Sent: Thursday, October 25, 2018 4:54 PM To: Discussion of the development of and with GStreamer <gstreamer-devel@lists.freedesktop.org> Subject: RE: gstvideoencoder error<o:p></o:p></div></div><o:p> </o:p>Hi,<o:p></o:p><o:p> </o:p>I am still having problems with this.<o:p></o:p><o:p> </o:p>Going on the theory that an environment variable was not set, I went ahead and set the GST_PLUGIN_PATH as follows<o:p></o:p><o:p> </o:p>export GST_PLUGIN_PATH=/usr/lib/x86_64-linux-gnu/gstreamer-1.0/<o:p></o:p><o:p> </o:p>Now I am seeing strange errors as shown below. Some of the errors seem odd because they seem related to plugins not used by the pipeline.<o:p></o:p><o:p> </o:p>From my interactive shell where I can launch the pipeline I don’t have GST_PLUGIN_PATH set and it somehow just works.<o:p></o:p><o:p> </o:p>I don’t have any of these variables set in my shell environment:<o:p></o:p><o:p> </o:p><a href="https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gst-running.html">https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gst-running.html</a><o:p></o:p><o:p> </o:p>Are there any other environment variables that are important to gstreamer?<o:p></o:p><o:p> </o:p>Errors that gstreamer is reporting when I set GST_PLUGIN_PATH:<o:p></o:p><o:p> </o:p>(gst-plugin-scanner:6229): GStreamer-WARNING **: Failed to load plugin '/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstgtksink.so': /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstgtksink.so: undefined symbol: gst_gl_display_wayland_new_with_display<o:p></o:p>Failed to connect to Mir: Failed to connect to server socket: No such file or directory<o:p></o:p>Unable to init server: Could not connect: Connection refused<o:p></o:p><o:p> </o:p>(gst-plugin-scanner:6229): Clutter-CRITICAL **: Unable to initialize Clutter: Could not initialize Gdk<o:p></o:p><o:p> </o:p>(gst-plugin-scanner:6229): Clutter-Gst-CRITICAL **: Unable to initialize Clutter<o:p></o:p><o:p> </o:p>(gst-plugin-scanner:6229): GStreamer-WARNING **: Failed to load plugin '/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcompositor.so': /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcompositor.so: undefined symbol: gst_videoaggregator_pad_get_type<o:p></o:p><o:p> </o:p>(gst-plugin-scanner:6229): GLib-GObject-WARNING **: specified class size for type 'GstMssDemux' is smaller than the parent type's 'GstAdaptiveDemux' class size<o:p></o:p><o:p> </o:p>(gst-plugin-scanner:6229): GLib-CRITICAL **: g_once_init_leave: assertion 'result != 0' failed<o:p></o:p><o:p> </o:p>(gst-plugin-scanner:6229): GStreamer-CRITICAL **: gst_element_register: assertion 'g_type_is_a (type, GST_TYPE_ELEMENT)' failed<o:p></o:p><o:p> </o:p>(gst-plugin-scanner:6229): GLib-GObject-WARNING **: specified class size for type 'GstHLSDemux' is smaller than the parent type's 'GstAdaptiveDemux' class size<o:p></o:p><o:p> </o:p>(gst-plugin-scanner:6229): GLib-CRITICAL **: g_once_init_leave: assertion 'result != 0' failed<o:p></o:p><o:p> </o:p>(gst-plugin-scanner:6229): GStreamer-CRITICAL **: gst_element_register: assertion 'g_type_is_a (type, GST_TYPE_ELEMENT)' failed<o:p></o:p><o:p> </o:p>(gst-plugin-scanner:6229): GStreamer-WARNING **: Failed to load plugin '/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstopengl.so': /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstopengl.so: undefined symbol: gst_gl_filter_draw_textur<o:p></o:p><o:p> </o:p>Thanks,<o:p></o:p>Rand<o:p></o:p><o:p> </o:p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'>From: gstreamer-devel [<a href="mailto:gstreamer-devel-bounces@lists.freedesktop.org">mailto:gstreamer-devel-bounces@lists.freedesktop.org</a>] On Behalf Of Rand Graham Sent: Friday, October 19, 2018 3:36 PM To: Discussion of the development of and with GStreamer <<a href="mailto:gstreamer-devel@lists.freedesktop.org">gstreamer-devel@lists.freedesktop.org</a>> Subject: RE: gstvideoencoder error<o:p></o:p></div></div><o:p> </o:p>Hi all,<o:p></o:p><o:p> </o:p>I just received this error again on my machine this time.<o:p></o:p><o:p> </o:p>The case where I receive this error on my machine is when running in a non-interactive environment. That is I am trying to call the gst-launch-1.0 pipeline from a php script using shell_exec. <o:p></o:p><o:p> </o:p>Can someone tell me what environment variable needs to be set so that mfx264enc will work?<o:p></o:p><o:p> </o:p>Thanks,<o:p></o:p>Rand<o:p></o:p><o:p> </o:p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'>From: Rand Graham/LGEUS Zenith R&D CSD(<a href="mailto:rand.graham@lge.com">rand.graham@lge.com</a>) Sent: Thursday, September 06, 2018 4:23 PM To: 'Discussion of the development of and with GStreamer' <<a href="mailto:gstreamer-devel@lists.freedesktop.org">gstreamer-devel@lists.freedesktop.org</a>> Subject: gstvideoencoder error<o:p></o:p></div></div><o:p> </o:p>Hello,<o:p></o:p><o:p> </o:p>I am trying to run a pipe line that works on my machine on a colleague’s machine with the same hardware and software set up, using Ubuntu 16.04 and compiling gstreamer from source.<o:p></o:p><o:p> </o:p>The pipeline works on my machine but not on their machine.<o:p></o:p><o:p> </o:p>There seems to be a problem with the mfxh264enc plugin.<o:p></o:p><o:p> </o:p>I am getting the following error<o:p></o:p><o:p> </o:p>gst-launch-1.0 -v -e mpegtsmux name=m ! hlssink target-duration=5 souphttpsrc location="<a href="http://127.0.0.1:8000/routestream/4">http://127.0.0.1:8000/routestream/4</a>" ! qtdemux ! h265parse ! mfxhevcdec ! videoconvert ! mfxvpp width=1280 height=720 ! mfxh264enc ! "video/x-h264, stream-format=byte-stream, profile=high" ! m.<o:p></o:p>Setting pipeline to PAUSED ...<o:p></o:p>ERROR: Pipeline doesn't want to pause.<o:p></o:p>ERROR: from element /GstPipeline:pipeline0/GstMfxEncH264:mfxench264-0: Could not initialize supporting library.<o:p></o:p>Additional debug info:<o:p></o:p>gstvideoencoder.c(1627): gst_video_encoder_change_state (): /GstPipeline:pipeline0/GstMfxEncH264:mfxench264-0:<o:p></o:p>Failed to open encoder<o:p></o:p>Setting pipeline to NULL ...<o:p></o:p>Freeing pipeline ..<o:p></o:p><o:p> </o:p>I googled the error message. I found something about not having enough gpu memory. I used lspci to check the gpu information on both machines and lspci reports identical information for the intel GPU that is being used on both machines.<o:p></o:p><o:p> </o:p>lspci -v -s 0:02.0<o:p></o:p>00:02.0 VGA compatible controller: Intel Corporation Sky Lake Integrated Graphics (rev 07) (prog-if 00 [VGA controller])<o:p></o:p> Subsystem: Intel Corporation Skylake Integrated Graphics<o:p></o:p> Flags: bus master, fast devsel, latency 0, IRQ 127<o:p></o:p> Memory at d0000000 (64-bit, non-prefetchable) [size=16M]<o:p></o:p> Memory at c0000000 (64-bit, prefetchable) [size=256M]<o:p></o:p> I/O ports at 1c00 [size=64]<o:p></o:p> [virtual] Expansion ROM at 000c0000 [disabled] [size=128K]<o:p></o:p> Capabilities: <access denied><o:p></o:p> Kernel driver in use: i915<o:p></o:p> Kernel modules: i915<o:p></o:p><o:p> </o:p>I suspect something is misconfigured but I am not sure what. <o:p></o:p><o:p> </o:p>I run gnome on my machine but I am trying to run my colleague’s system in a headless mode by using ssh to access the command line. I am not sure if that has anything to do with it but that is the main difference between how I am trying to run the pipeline.<o:p></o:p><o:p> </o:p>Has anybody seen something like this before?<o:p></o:p><o:p> </o:p>What support library does the x264 encoder need?<o:p></o:p><o:p> </o:p>Any trouble shooting tips?<o:p></o:p><o:p> </o:p>Thanks,<o:p></o:p>Rand<o:p></o:p><o:p> </o:p></div></body></html>