Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...

** (gst-launch-1.0:2743): WARNING **: flac already initialized -- fixme allow this

** (gst-launch-1.0:2743): WARNING **: flac already initialized -- fixme allow this

** (gst-launch-1.0:2743): WARNING **: flac already initialized -- fixme allow this

** (gst-launch-1.0:2743): WARNING **: flac already initialized -- fixme allow this

** (gst-launch-1.0:2743): WARNING **: flac already initialized -- fixme allow this

** (gst-launch-1.0:2743): WARNING **: flac already initialized -- fixme allow this

** (gst-launch-1.0:2743): WARNING **: flac already initialized -- fixme allow this

** (gst-launch-1.0:2743): WARNING **: flac already initialized -- fixme allow this
ERROR: from element /GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstFlacParse:flacparse0: GStreamer encountered a general stream error.
Additional debug info:
gstbaseparse.c(2939): gst_base_parse_loop (): /GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstFlacParse:flacparse0:
streaming stopped, reason not-negotiated
ERROR: pipeline doesn't want to preroll.
