[gstreamer-bugs] [Bug 346326] New: alsasrc doesn't support many high end sound cards due to channel and caps restrictions

[GStreamer (bugzilla.gnome.org)]

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 GStreamer | gst-plugins-base | Ver: HEAD CVS

           Summary: alsasrc doesn't support many high end sound cards due to
                    channel and caps restrictions
           Product: GStreamer
           Version: HEAD CVS
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: webmaster at mikeasoft.com
         QAContact: gstreamer-bugs at lists.sourceforge.net
     GNOME version: Unspecified
   GNOME milestone: Unspecified


As far as I can tell the problems arise in the following functions (testing
with a Delta 44 sound card):

gst_alsa_detect_formats:
 Returns EMPTY Caps. This is due to the template caps only supporting widths of
8 or 16. The Delta 44 requires 32 bit.

gst_alsa_detect_channels:
 GST_ALSA_MAX_CHANNELS is limited to 8. The minimum (and maximum) required by
the Delta 44 is 12 channels. There's also no check to see if the minimum is
greater than GST_ALSA_MAX_CHANNELS when setting the maximum to
GST_ALSA_MAX_CHANNELS.


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