not work on intel HD5500
Not use hardware video acceleration
libva info: VA-API version 1.7.0 libva info: Trying to open /usr/lib64/dri/iHD_drv_video.so libva info: Found init function __vaDriverInit_1_7 libva info: va_openDriver() returns 0 vainfo: VA-API version: 1.7 (libva 2.7.0.pre1) vainfo: Driver version: Intel iHD driver for Intel(R) Gen Graphics - 20.1.1 () vainfo: Supported profile and entrypoints VAProfileNone : VAEntrypointVideoProc VAProfileNone : VAEntrypointStats VAProfileMPEG2Simple : VAEntrypointVLD VAProfileMPEG2Simple : VAEntrypointEncSlice VAProfileMPEG2Main : VAEntrypointVLD VAProfileMPEG2Main : VAEntrypointEncSlice VAProfileH264Main : VAEntrypointVLD VAProfileH264Main : VAEntrypointEncSlice VAProfileH264Main : VAEntrypointFEI VAProfileH264High : VAEntrypointVLD VAProfileH264High : VAEntrypointEncSlice VAProfileH264High : VAEntrypointFEI VAProfileVC1Simple : VAEntrypointVLD VAProfileVC1Main : VAEntrypointVLD VAProfileVC1Advanced : VAEntrypointVLD VAProfileJPEGBaseline : VAEntrypointVLD VAProfileH264ConstrainedBaseline: VAEntrypointVLD VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice VAProfileH264ConstrainedBaseline: VAEntrypointFEI VAProfileVP8Version0_3 : VAEntrypointVLD
`export GST_DEBUG="2,vaapi*:7"
0:00:01.141263319 8970 0x7f4a08002930 WARN basesrc gstbasesrc.c:3600:gst_base_src_start_complete: pad not activated yet 0:00:01.141582842 8970 0x7f4a08002930 WARN basesrc gstbasesrc.c:3600:gst_base_src_start_complete: pad not activated yet 0:00:01.180722936 8970 0x56167f333460 WARN qtdemux qtdemux_types.c:239:qtdemux_type_get: unknown QuickTime node type pasp 0:00:01.180832382 8970 0x56167f333460 WARN qtdemux qtdemux.c:3237:qtdemux_parse_trex: failed to find fragment defaults for stream 1 0:00:01.185055428 8970 0x56167f333460 WARN qtdemux qtdemux.c:3237:qtdemux_parse_trex: failed to find fragment defaults for stream 2
`