[gst-devel] caps negotiation problem with audioconvert
sphink at gmail.com
Tue Sep 4 23:15:17 CEST 2007
I ran into this error message with the element I am (slowly, badly)
attempting to write, and I was able to reproduce it with a builtin
% gst-launch-0.10 -v filesrc location=ping.wav ! volume ! audioconvert
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
/pipeline0/fakesink0: last-message = "event ******* E (type: 102,
GstEventNewsegment, update=(boolean)false, rate=(double)1,
start=(gint64)0, stop=(gint64)39212, position=(gint64)0) 0x9489608"
ERROR: from element /pipeline0/volume0: not negotiated
Additional debug info:
gstbasetransform.c(1498): gst_base_transform_handle_buffer ():
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
FREEING pipeline ...
I'm assuming the problem is between volume and audioconvert -- they
haven't agreed on a set of caps. But they're both based on
gst_base_transform, which looks like it at least intends to do the
Description: plugin for controlling audio volume
Description: Convert audio to different formats
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