[Bug 655866] New: jackaudiosink: Don't call g_alloca in jack_process_cb

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=655866
  GStreamer | gst-plugins-good | git

           Summary: jackaudiosink: Don't call g_alloca in jack_process_cb
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: le.businessman at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


g_alloca is not an RT-safe function, therefore it should not be called inside
the jack_process_cb function. It is used to allocate pointers for samples.
These pointers can be allocated in advance as is already the case in the
jackaudiosrc plugin, in the gst_jack_audio_sink_allocate_channels function.

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