[Bug 673977] New: Use pulseaudio stream time for the pulsesrc clock

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=673977
  GStreamer | gst-plugins-good | 0.10.x

           Summary: Use pulseaudio stream time for the pulsesrc clock
    Classification: Platform
           Product: GStreamer
           Version: 0.10.x
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: msameer at foolab.org
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=211913)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=211913)
proposed patch.

This patch makes pulsesrc provide a clock that uses the pulseaudio stream time.

This allows getting more accurate timestamps which helps to synchronize AV
while recording.

The main issue is that we need to use the audio source clock as the clock for
the recording pipeline and the pulse source clock is a bit course because it
depends on the samples read.

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