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pulsesrc: Implement changing the device while playing

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=590768
This commit is contained in:
Olivier Crête 2013-08-18 22:27:37 -04:00
parent e98767e864
commit c3642e3ecf
1 changed files with 51 additions and 0 deletions
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51
ext/pulse/pulsesrc.c
View file

@ -680,6 +680,56 @@ mute_failed:
}
}
static void
gst_pulsesrc_set_stream_device (GstPulseSrc * pulsesrc, const gchar * device)
{
pa_operation *o = NULL;
if (!pulsesrc->mainloop)
goto no_mainloop;
if (!pulsesrc->source_output_idx)
goto no_index;
pa_threaded_mainloop_lock (pulsesrc->mainloop);
GST_DEBUG_OBJECT (pulsesrc, "setting stream device to %s", device);
if (!(o = pa_context_move_source_output_by_name (pulsesrc->context,
pulsesrc->source_output_idx, device, NULL, NULL)))
goto move_failed;
unlock:
if (o)
pa_operation_unref (o);
pa_threaded_mainloop_unlock (pulsesrc->mainloop);
return;
/* ERRORS */
no_mainloop:
{
GST_DEBUG_OBJECT (pulsesrc, "we have no mainloop");
return;
}
no_index:
{
GST_DEBUG_OBJECT (pulsesrc, "we don't have a stream index");
return;
}
move_failed:
{
GST_ELEMENT_ERROR (pulsesrc, RESOURCE, FAILED,
("pa_context_move_source_output_by_name(%s) failed: %s",
device, pa_strerror (pa_context_errno (pulsesrc->context))),
(NULL));
goto unlock;
}
}
static void
gst_pulsesrc_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec)
@ -695,6 +745,7 @@ gst_pulsesrc_set_property (GObject * object,
case PROP_DEVICE:
g_free (pulsesrc->device);
pulsesrc->device = g_value_dup_string (value);
gst_pulsesrc_set_stream_device (pulsesrc, pulsesrc->device);
break;
case PROP_CLIENT_NAME:
g_free (pulsesrc->client_name);