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Hi,
I have been trying to make a video transcoder from any
format (using
decodebin) to matroska (ogg theora + ogg vorbis) using this
elements:
theoraenc, vorbisenc and matroskamux.
It does not return any errors or crash, it simply stands
there doing
nothing forever (not even wasting significant cpu as if in a
loop).
The full pipeline, including dinamic pads, seems to be
created ok and
a few KB result.mkv file (obviously incomplete) is created
where the
result of the full encoding should be.
The code runs just fine if I replace those elements for:
xvidenc, lame
and avimux.
If run with --gst-debug=2, it returns only warnings for
things inside
the decodebin, and sometimes, but not always:
0:00:00.729124000 15420 0x83f78c0 WARN
vorbisenc
vorbisenc.c:1120:gst_vorbis_enc_chain:<audioenc>
Buffer is older than
previous timestamp + duration, cannot handle. Dropping
buffer.
0:00:00.731486000 15420 0x83f78c0 WARN
vorbisenc
vorbisenc.c:1129:gst_vorbis_enc_chain:<audioenc>
Buffer is
discontinuous, flushing encoder and restarting (Discont
from
0:00:00.438041666 to 0:00:00.536041666)
I attach a simplified version of the code in python
(requires a
test.avi video, if an ogg is used even the second
(avi+xvid+mp3)
pipeline hangs). Not sure how to put it in a gst-launch
pipeline.
I am using:
Gstreamer 0.10.10
Python 2.4.4c1
Ubuntu 6.10 Edgy Eft (Linux 2.6.17-11-generic )
Note: Newby to gstreamer and beginner programmer here, so
very likely
this is just something stupid I'm doing.
Thanks in advance,
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