[gstreamer-bugs] [Bug 533617] New: [audioconvert] Produces silence when converting 1/2 channel audio with non-standard channel position
GStreamer (bugzilla.gnome.org)
bugzilla-daemon at bugzilla.gnome.org
Sat May 17 12:37:00 PDT 2008
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GStreamer | gst-plugins-base | Ver: HEAD CVS
Summary: [audioconvert] Produces silence when converting 1/2
channel audio with non-standard channel position
Product: GStreamer
Version: HEAD CVS
Platform: Other
OS/Version: Linux
Status: UNCONFIRMED
Severity: major
Priority: Normal
Component: gst-plugins-base
AssignedTo: gstreamer-bugs at lists.sourceforge.net
ReportedBy: slomo at circular-chaos.org
QAContact: gstreamer-bugs at lists.sourceforge.net
GNOME version: Unspecified
GNOME milestone: Unspecified
Hi,
the following pipeline currently produces plain silence:
gst-launch-0.10 -v audiotestsrc num-buffers=1000 ! audioconvert !
"audio/x-raw-float,channels=2" ! deinterleave name=d d.src0 ! queue !
audioconvert ! wavenc ! filesink location=channel1.wav d.src1 ! queue !
audioconvert ! wavenc ! filesink location=channel2.wav
The caps used on the audioconverts are:
/pipeline0/audioconvert2.src: caps = audio/x-raw-int, rate=(int)44100,
channels=(int)1, endianness=(int)1234, width=(int)32, depth=(int)32,
signed=(boolean)true
/pipeline0/audioconvert2.sink: caps = audio/x-raw-float, rate=(int)44100,
channels=(int)1, endianness=(int)1234, width=(int)64,
channel-positions=(GstAudioChannelPosition)<
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT >
/pipeline0/wavenc1.sink: caps = audio/x-raw-int, rate=(int)44100,
channels=(int)1, endianness=(int)1234, width=(int)32, depth=(int)32,
signed=(boolean)true
So it drops the channel position and seems to do something wrong while
converting.
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