[gstreamer-bugs] [Bug 584813] New: audiorate introduces noise into an audio stream

GStreamer (bugzilla.gnome.org) bugzilla-daemon at bugzilla.gnome.org
Thu Jun 4 04:49:27 PDT 2009


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  GStreamer | gst-plugins-base | Ver: 0.10.23
           Summary: audiorate introduces noise into an audio stream
           Product: GStreamer
           Version: 0.10.23
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: henrique.ferreiro at gmail.com
         QAContact: gstreamer-bugs at lists.sourceforge.net
     GNOME version: 2.25/2.26
   GNOME milestone: Unspecified


I am using a script to transcode videos to the PS3 like this:

gst-launch-0.10 -v \
    filesrc location="$1".avi ! decodebin2 name=dec \
    filesrc location="$1".srt ! subparse ! txt. \
    mpegtsmux name=mux ! filesink location="$1".mpg \
    dec. ! queue ! audioconvert ! audiorate ! audioresample ! \
           audio/x-raw-int, channels=\(int\)2 ! \
           faac bitrate=128000 profile=LC ! mux. \
    de. ! queue ! \
           textoverlay name=txt font-desc="Droid Sans 30" ! \
           x264enc pass=cbr bitrate=1024 me=umh subme=6 ref=2 threads=0 ! \
           queue ! progressreport ! mux.

Using this with some files which have ac3 audio makes them sound with "clicks".
The problem is solved if I remove the audiorate element.


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