[adam@blaze Carbon]$ gst-launch-0.10 playbin2 uri=file:///run/media/adam/Carbon/dd.mp4 -v > /run/media/adam/Carbon/mp4.log
libva info: VA-API version 0.34.0
libva info: va_getDriverName() returns 0
libva info: User requested driver 'xvba'
libva info: Trying to open /usr/lib/dri/xvba_drv_video.so
libva info: Found init function __vaDriverInit_0_32
libva info: va_openDriver() returns 0
ERROR: from element /GstPlayBin2:playbin20/GstURIDecodeBin:uridecodebin0/GstDecodeBin2:decodebin20/GstQTDemux:qtdemux0: GStreamer encountered a general stream error.
Additional debug info:
qtdemux.c(3891): gst_qtdemux_loop (): /GstPlayBin2:playbin20/GstURIDecodeBin:uridecodebin0/GstDecodeBin2:decodebin20/GstQTDemux:qtdemux0:
streaming stopped, reason not-supported
ERROR: pipeline doesn't want to preroll.