0:00:00.250856482 [336m 4859[00m       0x94c610 [36mINFO   [00m [00m               vaapi gstvaapidisplay.c:119:libgstvaapi_init_once:[00m gstreamer-vaapi version 1.7.90-2-g1eabfad
0:00:00.253050649 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:800:gst_vaapi_display_calculate_pixel_aspect_ratio:[00m calculated pixel aspect ratio: 1.001577
libva info: VA-API version 0.38.1
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib64/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_0_38
libva info: va_openDriver() returns 0
0:00:00.256816432 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:940:gst_vaapi_display_create_unlocked:[00m VA-API version 0.38
0:00:00.256925598 [336m 4859[00m       0x94c610 [36mINFO   [00m [00m           vaapisink gstvaapipluginbase.c:52:plugin_set_display:<vaapisink0>[00m set display 0x711380
0:00:00.256963275 [336m 4859[00m       0x94c610 [36mINFO   [00m [00m           vaapisink gstvaapisink.c:1174:gst_vaapisink_display_changed:[00m created VA/X11 display 0x711380
0:00:00.256986734 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m           vaapisink gstvaapisink.c:1182:gst_vaapisink_display_changed:[00m use texture rendering mode
0:00:00.257007610 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:626:ensure_properties:[00m 5 display attributes
0:00:00.257024738 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:632:ensure_properties:[00m   VADisplayAttribBrightness
0:00:00.257042541 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:632:ensure_properties:[00m   VADisplayAttribContrast
0:00:00.257060062 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:632:ensure_properties:[00m   VADisplayAttribHue
0:00:00.257077087 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:632:ensure_properties:[00m   VADisplayAttribSaturation
0:00:00.257094911 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:632:ensure_properties:[00m   VADisplayAttribRotation
0:00:00.257400454 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:713:ensure_image_formats:[00m 9 image formats
0:00:00.257423752 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:715:ensure_image_formats:[00m   YV12
0:00:00.257444157 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:715:ensure_image_formats:[00m   I420
0:00:00.257463026 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:715:ensure_image_formats:[00m   NV12
0:00:00.257481106 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:715:ensure_image_formats:[00m   YUY2
0:00:00.257499343 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:715:ensure_image_formats:[00m   UYVY
0:00:00.257517470 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:715:ensure_image_formats:[00m   422H
0:00:00.257535397 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:715:ensure_image_formats:[00m   RGBX
0:00:00.257612260 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:715:ensure_image_formats:[00m   BGRX
0:00:00.257631865 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:715:ensure_image_formats:[00m   P010
0:00:00.257702569 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:246:append_formats:[00m unsupported format 422H
0:00:00.257723129 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:246:append_formats:[00m unsupported format P010
0:00:00.257796326 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapisurface.c:334:gst_vaapi_surface_new:[00m size 64x64, chroma type 0x1
0:00:00.257827129 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapisurface.c:121:gst_vaapi_surface_create:[00m surface 0x4000000
0:00:00.257846578 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapiimage.c:248:gst_vaapi_image_new:[00m format NV12, size 64x64
0:00:00.257937974 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapiimage.c:201:gst_vaapi_image_create:[00m image 0xa000000
0:00:00.263625123 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapiimage.c:115:gst_vaapi_image_destroy:[00m image 0xa000000
0:00:00.263758505 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapiimage.c:248:gst_vaapi_image_new:[00m format YV12, size 64x64
0:00:00.263834283 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapiimage.c:201:gst_vaapi_image_create:[00m image 0xa000000
0:00:00.266167710 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapiimage.c:115:gst_vaapi_image_destroy:[00m image 0xa000000
0:00:00.266195902 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapiimage.c:248:gst_vaapi_image_new:[00m format I420, size 64x64
0:00:00.266243058 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapiimage.c:201:gst_vaapi_image_create:[00m image 0xa000000
0:00:00.268456808 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapiimage.c:115:gst_vaapi_image_destroy:[00m image 0xa000000
0:00:00.268480328 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapiimage.c:248:gst_vaapi_image_new:[00m format YUY2, size 64x64
0:00:00.268506020 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapiimage.c:201:gst_vaapi_image_create:[00m image 0xa000000
0:00:00.270715546 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapiimage.c:115:gst_vaapi_image_destroy:[00m image 0xa000000
0:00:00.270740010 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapiimage.c:248:gst_vaapi_image_new:[00m format UYVY, size 64x64
0:00:00.270787199 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapiimage.c:201:gst_vaapi_image_create:[00m image 0xa000000
0:00:00.273034287 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapiimage.c:115:gst_vaapi_image_destroy:[00m image 0xa000000
0:00:00.273058792 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapiimage.c:248:gst_vaapi_image_new:[00m format BGRx, size 64x64
0:00:00.273105000 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapiimage.c:201:gst_vaapi_image_create:[00m image 0xa000000
0:00:00.275369333 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapiimage.c:115:gst_vaapi_image_destroy:[00m image 0xa000000
0:00:00.275393578 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapiimage.c:248:gst_vaapi_image_new:[00m format RGBx, size 64x64
0:00:00.275438259 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapiimage.c:201:gst_vaapi_image_create:[00m image 0xa000000
0:00:00.277703360 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapiimage.c:115:gst_vaapi_image_destroy:[00m image 0xa000000
0:00:00.277803681 [336m 4859[00m       0x94c610 [37mDEBUG  [00m [00m               vaapi gstvaapisurface.c:78:gst_vaapi_surface_destroy:[00m surface 0x4000000
Setting pipeline to PAUSED ...
0:00:00.279056280 [336m 4859[00m       0x94c610 [36mINFO   [00m [00m         vaapidecode gstvaapipluginbase.c:52:plugin_set_display:<vaapidecode0>[00m set display 0x711380
0:00:00.279424496 [336m 4859[00m       0x94c610 [33;01mWARN   [00m [00m             basesrc gstbasesrc.c:3486:gst_base_src_start_complete:<filesrc0>[00m pad not activated yet
Pipeline is PREROLLING ...
0:00:00.280161744 [336m 4859[00m       0x94c610 [33;01mWARN   [00m [00m           structure gststructure.c:1935:priv_gst_structure_append_to_gstring:[00m No value transform to serialize field 'gst.vaapi.Display' of type 'GstVaapiDisplay'
Got context from element 'pipeline0': gst.vaapi.Display=context, gst.vaapi.Display=(GstVaapiDisplay)NULL;
0:00:00.280994736 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:537:ensure_profiles:[00m 18 profiles
0:00:00.281077501 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:544:ensure_profiles:[00m   VAProfileMPEG2Simple
0:00:00.281097661 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:544:ensure_profiles:[00m   VAProfileMPEG2Main
0:00:00.281114986 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:544:ensure_profiles:[00m   VAProfileH264ConstrainedBaseline
0:00:00.281132963 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:544:ensure_profiles:[00m   VAProfileH264Main
0:00:00.281149746 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:544:ensure_profiles:[00m   VAProfileH264High
0:00:00.281166628 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:544:ensure_profiles:[00m   VAProfileH264MultiviewHigh
0:00:00.281184171 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:544:ensure_profiles:[00m   VAProfileH264StereoHigh
0:00:00.281201251 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:544:ensure_profiles:[00m   VAProfileVC1Simple
0:00:00.281217995 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:544:ensure_profiles:[00m   VAProfileVC1Main
0:00:00.281234591 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:544:ensure_profiles:[00m   VAProfileVC1Advanced
0:00:00.281251307 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:544:ensure_profiles:[00m   VAProfileJPEGBaseline
0:00:00.281268119 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:544:ensure_profiles:[00m   VAProfileVP8Version0_3
0:00:00.281285473 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:544:ensure_profiles:[00m   VAProfileH264MultiviewHigh
0:00:00.281302496 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:544:ensure_profiles:[00m   VAProfileH264StereoHigh
0:00:00.281321708 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:544:ensure_profiles:[00m   <unknown>
0:00:00.281338516 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:544:ensure_profiles:[00m   <unknown>
0:00:00.281355072 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidisplay.c:544:ensure_profiles:[00m   <unknown>
0:00:00.281863973 [336m 4859[00m       0x9b7de0 [36mINFO   [00m [00m         vaapidecode gstvaapidecode.c:203:gst_vaapidecode_update_sink_caps:<vaapidecode0>[00m new sink caps = video/x-h265, level=(string)3, tier=(string)main, profile=(string)main, codec_data=(buffer) , stream-format=(string)hvc1, alignment=(string)au, width=(int)640, height=(int)320, framerate=(fraction)60/1
0:00:00.282381276 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m         vaapidecode gstvaapipluginbase.c:453:ensure_sinkpad_buffer_pool:[00m assume video buffer pool format is NV12
0:00:00.282487829 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapiimage.c:248:gst_vaapi_image_new:[00m format I420, size 640x320
0:00:00.282645430 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapiimage.c:201:gst_vaapi_image_create:[00m image 0xa000000
0:00:00.282707059 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapiimage.c:115:gst_vaapi_image_destroy:[00m image 0xa000000
/GstPipeline:pipeline0/GstVaapiDecode:vaapidecode0.GstPad:sink: caps = "video/x-h265\,\ level\=\(string\)3\,\ tier\=\(string\)main\,\ profile\=\(string\)main\,\ codec_data\=\(buffer\) \,\ stream-format\=\(string\)hvc1\,\ alignment\=\(string\)au\,\ width\=\(int\)640\,\ height\=\(int\)320\,\ framerate\=\(fraction\)60/1"
0:00:00.283417674 [336m 4859[00m       0x9b7de0 [33;01mWARN   [00m [00m  matroskareadcommon matroska-read-common.c:502:gst_matroska_read_common_parse_skip:<matroskademux0:sink>[00m Unknown CueTrackPositions subelement 0xf0 - ignoring
0:00:00.283447988 [336m 4859[00m       0x9b7de0 [33;01mWARN   [00m [00m  matroskareadcommon matroska-read-common.c:502:gst_matroska_read_common_parse_skip:<matroskademux0:sink>[00m Unknown CueTrackPositions subelement 0xf0 - ignoring
0:00:00.283469870 [336m 4859[00m       0x9b7de0 [33;01mWARN   [00m [00m  matroskareadcommon matroska-read-common.c:502:gst_matroska_read_common_parse_skip:<matroskademux0:sink>[00m Unknown CueTrackPositions subelement 0xf0 - ignoring
0:00:00.283490359 [336m 4859[00m       0x9b7de0 [33;01mWARN   [00m [00m  matroskareadcommon matroska-read-common.c:502:gst_matroska_read_common_parse_skip:<matroskademux0:sink>[00m Unknown CueTrackPositions subelement 0xf0 - ignoring
0:00:00.283510614 [336m 4859[00m       0x9b7de0 [33;01mWARN   [00m [00m  matroskareadcommon matroska-read-common.c:502:gst_matroska_read_common_parse_skip:<matroskademux0:sink>[00m Unknown CueTrackPositions subelement 0xf0 - ignoring
0:00:00.283530702 [336m 4859[00m       0x9b7de0 [33;01mWARN   [00m [00m  matroskareadcommon matroska-read-common.c:502:gst_matroska_read_common_parse_skip:<matroskademux0:sink>[00m Unknown CueTrackPositions subelement 0xf0 - ignoring
0:00:00.283619430 [336m 4859[00m       0x9b7de0 [33;01mWARN   [00m [00m  matroskareadcommon matroska-read-common.c:502:gst_matroska_read_common_parse_skip:<matroskademux0:sink>[00m Unknown CueTrackPositions subelement 0xf0 - ignoring
0:00:00.283642664 [336m 4859[00m       0x9b7de0 [33;01mWARN   [00m [00m  matroskareadcommon matroska-read-common.c:502:gst_matroska_read_common_parse_skip:<matroskademux0:sink>[00m Unknown CueTrackPositions subelement 0xf0 - ignoring
0:00:00.283665105 [336m 4859[00m       0x9b7de0 [33;01mWARN   [00m [00m  matroskareadcommon matroska-read-common.c:502:gst_matroska_read_common_parse_skip:<matroskademux0:sink>[00m Unknown CueTrackPositions subelement 0xf0 - ignoring
0:00:00.283687301 [336m 4859[00m       0x9b7de0 [33;01mWARN   [00m [00m  matroskareadcommon matroska-read-common.c:502:gst_matroska_read_common_parse_skip:<matroskademux0:sink>[00m Unknown CueTrackPositions subelement 0xf0 - ignoring
0:00:00.283709054 [336m 4859[00m       0x9b7de0 [33;01mWARN   [00m [00m  matroskareadcommon matroska-read-common.c:502:gst_matroska_read_common_parse_skip:<matroskademux0:sink>[00m Unknown CueTrackPositions subelement 0xf0 - ignoring
0:00:00.283730228 [336m 4859[00m       0x9b7de0 [33;01mWARN   [00m [00m  matroskareadcommon matroska-read-common.c:502:gst_matroska_read_common_parse_skip:<matroskademux0:sink>[00m Unknown CueTrackPositions subelement 0xf0 - ignoring
0:00:00.283775878 [336m 4859[00m       0x9b7de0 [33;01mWARN   [00m [00m  matroskareadcommon matroska-read-common.c:502:gst_matroska_read_common_parse_skip:<matroskademux0:sink>[00m Unknown CueTrackPositions subelement 0xf0 - ignoring
0:00:00.283796102 [336m 4859[00m       0x9b7de0 [33;01mWARN   [00m [00m  matroskareadcommon matroska-read-common.c:502:gst_matroska_read_common_parse_skip:<matroskademux0:sink>[00m Unknown CueTrackPositions subelement 0xf0 - ignoring
0:00:00.283816177 [336m 4859[00m       0x9b7de0 [33;01mWARN   [00m [00m  matroskareadcommon matroska-read-common.c:502:gst_matroska_read_common_parse_skip:<matroskademux0:sink>[00m Unknown CueTrackPositions subelement 0xf0 - ignoring
0:00:00.284409321 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidecoder_h265.c:2648:gst_vaapi_decoder_h265_decode_codec_data:[00m nal length size 4
0:00:00.284494460 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidecoder_h265.c:1322:parse_vps:[00m parse VPS
0:00:00.284526811 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidecoder_h265.c:1430:decode_vps:[00m decode VPS
0:00:00.284613497 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidecoder_h265.c:1322:parse_vps:[00m parse VPS
0:00:00.284639413 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidecoder_h265.c:1430:decode_vps:[00m decode VPS
0:00:00.284658664 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidecoder_h265.c:1322:parse_vps:[00m parse VPS
0:00:00.284702046 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidecoder_h265.c:1430:decode_vps:[00m decode VPS
0:00:00.284718959 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidecoder_h265.c:1322:parse_vps:[00m parse VPS
0:00:00.284736125 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidecoder_h265.c:1430:decode_vps:[00m decode VPS
0:00:00.284763185 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidecoder_h265.c:1389:parse_sei:[00m parse SEI
0:00:00.284805776 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidecoder_h265.c:1407:parse_slice:[00m parse slice
0:00:00.284825715 [336m 4859[00m       0x9b7de0 [33;01mWARN   [00m [00m   codecparsers_h265 gsth265parser.c:1942:gst_h265_parser_parse_slice_hdr:[00m couldn't find associated picture parameter set with id: 0
0:00:00.284845083 [336m 4859[00m       0x9b7de0 [31;01mERROR  [00m [00m         vaapidecode gstvaapidecode.c:925:gst_vaapidecode_parse_frame:[00m parse error -1
0:00:00.284900038 [336m 4859[00m       0x9b7de0 [37mDEBUG  [00m [00m               vaapi gstvaapidecoder_h265.c:1407:parse_slice:[00m parse slice
0:00:00.284918501 [336m 4859[00m       0x9b7de0 [33;01mWARN   [00m [00m   codecparsers_h265 gsth265parser.c:1942:gst_h265_parser_parse_slice_hdr:[00m couldn't find associated picture parameter set with id: 0
0:00:00.284935727 [336m 4859[00m       0x9b7de0 [31;01mERROR  [00m [00m         vaapidecode gstvaapidecode.c:925:gst_vaapidecode_parse_frame:[00m parse error -1
0:00:00.284964852 [336m 4859[00m       0x9b7de0 [33;01mWARN   [00m [00m        videodecoder gstvideodecoder.c:1265:gst_video_decoder_sink_event_default:<vaapidecode0>[00m error: No valid frames decoded before end of stream
0:00:00.284984502 [336m 4859[00m       0x9b7de0 [33;01mWARN   [00m [00m        videodecoder gstvideodecoder.c:1265:gst_video_decoder_sink_event_default:<vaapidecode0>[00m error: no valid frames found
ERROR: from element /GstPipeline:pipeline0/GstVaapiDecode:vaapidecode0: No valid frames decoded before end of stream
Additional debug info:
gstvideodecoder.c(1265): gst_video_decoder_sink_event_default (): /GstPipeline:pipeline0/GstVaapiDecode:vaapidecode0:
no valid frames found
ERROR: pipeline doesn't want to preroll.nnn
Setting pipeline to NULL ...
/GstPipeline:pipeline0/GstVaapiDecode:vaapidecode0.GstPad:sink: caps = "NULL"
/GstPipeline:pipeline0/GstMatroskaDemux:matroskademux0.GstPad:video_0: caps = "NULL"
Freeing pipeline ...
