Public bug reported:
It effects soundconverter 2.1.6 and I believe it also effects all
versions <= 2.1.6. I am running soundconverter 2.1.6 on linux mint 17.3.
Converting the test file using VBR in opusenc took 34.44 seconds.
Soundconverter converting the same file to opus at the same bitrate
takes 214.036 seconds.
I believe this is due to it being encoded in hard CBR. On an individual
file basis I know I can run opusenc --vbr --bitrate x inputfile
outputfile to obtain high speeds and VBR encoding with a better sound
quality.
soundconverter --debug output on soundconverter 2.1.6:
SoundConverter 2.1.6
using Gstreamer version: 0.10.36
using 4 thread(s)
using gio
/usr/local/lib/soundconverter/python/soundconverter/ui.py:1506: Warning:
Attempt to add property GnomeProgram::sm-connect after class was initialised
gnome.init(name, version)
/usr/local/lib/soundconverter/python/soundconverter/ui.py:1506: Warning:
Attempt to add property GnomeProgram::show-crash-dialog after class was
initialised
gnome.init(name, version)
/usr/local/lib/soundconverter/python/soundconverter/ui.py:1506: Warning:
Attempt to add property GnomeProgram::display after class was initialised
gnome.init(name, version)
/usr/local/lib/soundconverter/python/soundconverter/ui.py:1506: Warning:
Attempt to add property GnomeProgram::default-icon after class was initialised
gnome.init(name, version)
Queue start: 1 tasks, 4 thread(s).
launching: 'giosrc
location="file:///home/joshua/Downloads/2012_1118Gratitude.mp3" ! typefind
name=typefinder ! fakesink'
have_type: application/x-id3 2012_1118Gratitude.mp3
Queue done in 0.009s (1 tasks)
found_type 2012_1118Gratitude.mp3
Queue start: 1 tasks, 4 thread(s).
launching: 'giosrc
location="file:///home/joshua/Downloads/2012_1118Gratitude.mp3" name=src !
decodebin name=decoder ! audiorate tolerance=10000000 ! audioconvert !
audioresample ! opusenc bitrate=48000 ! oggmux ! giosink
location="file:///home/joshua/Downloads/2012_1118Gratitude.mp3~713186~SC~"'
found_tags: 2012_1118Gratitude.mp3
date=<GstDate: 1/1/2012> (<type 'gst.Date'>)
genre=Vocal (<type 'unicode'>)
artist=Wayne Mudge (<type 'unicode'>)
title=An Attitude of Gratitude (<type 'unicode'>)
found_tags: 2012_1118Gratitude.mp3
got file duration: 2105
found_tags: 2012_1118Gratitude.mp3
found_tags: 2012_1118Gratitude.mp3
found_tags: 2012_1118Gratitude.mp3
found_tags: 2012_1118Gratitude.mp3
found_tags: 2012_1118Gratitude.mp3
/home/joshua/Downloads/2012_1118Gratitude.mp3~713186~SC~ ->
/home/joshua/Downloads/2012_1118Gratitude.opus
Queue done in 214.036s (1 tasks)
closing...
** Affects: soundconverter
Importance: Undecided
Status: New
** Affects: soundconverter (Ubuntu)
Importance: Undecided
Status: New
** Tags: opus slow
** Also affects: soundconverter (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1529704
Title:
Opus encoding takes a long time.
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