root@sr-imx6:~# gst-launch-1.0 playbin uri=file:///jellyfish-3-mbps-hd-h264.mkv video-sink=imxipuvideosink
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
[INFO]  bitstreamMode 1, chromaInterleave 0, mapType 0, tiled2LinearEnable 0
[WARN]  VPU iram is less than needed, some parts don't use iram
[ERR]   mem allocation failed!
ERROR: from element /GstPlayBin:playbin0/GstURIDecodeBin:uridecodebin0/GstDecodeBin:decodebin0/GstMatroskaDemux:matroskademux0: Internal data stream error.
Additional debug info:
matroska-demux.c(4768): gst_matroska_demux_loop (): /GstPlayBin:playbin0/GstURIDecodeBin:uridecodebin0/GstDecodeBin:decodebin0/GstMatroskaDemux:matroskademux0:
streaming stopped, reason error (-5)
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
Freeing pipeline ...