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pulsesrc: De-duplicate code to get the current source output info

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=590768
This commit is contained in:
Olivier Crête 2013-08-18 23:31:15 -04:00
parent c3642e3ecf
commit d56f4718c2
1 changed files with 35 additions and 75 deletions
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110
ext/pulse/pulsesrc.c
View file

@ -445,17 +445,23 @@ gst_pulsesrc_source_output_info_cb (pa_context * c,
if (i->index == psrc->source_output_idx) {
psrc->volume = pa_sw_volume_to_linear (pa_cvolume_max (&i->volume));
psrc->mute = i->mute;
if (G_UNLIKELY (psrc->volume > MAX_VOLUME)) {
GST_WARNING_OBJECT (psrc, "Clipped volume from %f to %f",
psrc->volume, MAX_VOLUME);
psrc->volume = MAX_VOLUME;
}
}
done:
pa_threaded_mainloop_signal (psrc->mainloop, 0);
}
static gdouble
gst_pulsesrc_get_stream_volume (GstPulseSrc * pulsesrc)
static void
gst_pulsesrc_get_source_output_info (GstPulseSrc * pulsesrc, gdouble * volume,
gboolean * mute)
{
pa_operation *o = NULL;
gdouble v;
if (!pulsesrc->mainloop)
goto no_mainloop;
@ -477,90 +483,37 @@ gst_pulsesrc_get_stream_volume (GstPulseSrc * pulsesrc)
}
unlock:
v = pulsesrc->volume;
if (volume)
*volume = pulsesrc->volume;
if (mute)
*mute = pulsesrc->mute;
if (o)
pa_operation_unref (o);
pa_threaded_mainloop_unlock (pulsesrc->mainloop);
if (v > MAX_VOLUME) {
GST_WARNING_OBJECT (pulsesrc, "Clipped volume from %f to %f", v,
MAX_VOLUME);
v = MAX_VOLUME;
}
return v;
return;
/* ERRORS */
no_mainloop:
{
v = pulsesrc->volume;
GST_DEBUG_OBJECT (pulsesrc, "we have no mainloop");
return v;
if (volume)
*volume = pulsesrc->volume;
if (mute)
*mute = pulsesrc->mute;
return;
}
no_index:
{
v = pulsesrc->volume;
GST_DEBUG_OBJECT (pulsesrc, "we don't have a stream index");
return v;
}
info_failed:
{
GST_ELEMENT_ERROR (pulsesrc, RESOURCE, FAILED,
("pa_context_get_source_output_info() failed: %s",
pa_strerror (pa_context_errno (pulsesrc->context))), (NULL));
goto unlock;
}
}
static gboolean
gst_pulsesrc_get_stream_mute (GstPulseSrc * pulsesrc)
{
pa_operation *o = NULL;
gboolean mute;
if (!pulsesrc->mainloop)
goto no_mainloop;
if (pulsesrc->source_output_idx == PA_INVALID_INDEX)
goto no_index;
pa_threaded_mainloop_lock (pulsesrc->mainloop);
if (!(o = pa_context_get_source_output_info (pulsesrc->context,
pulsesrc->source_output_idx, gst_pulsesrc_source_output_info_cb,
pulsesrc)))
goto info_failed;
while (pa_operation_get_state (o) == PA_OPERATION_RUNNING) {
pa_threaded_mainloop_wait (pulsesrc->mainloop);
if (gst_pulsesrc_is_dead (pulsesrc, TRUE))
goto unlock;
}
unlock:
mute = pulsesrc->mute;
if (o)
pa_operation_unref (o);
pa_threaded_mainloop_unlock (pulsesrc->mainloop);
return mute;
/* ERRORS */
no_mainloop:
{
mute = pulsesrc->mute;
GST_DEBUG_OBJECT (pulsesrc, "we have no mainloop");
return mute;
}
no_index:
{
mute = pulsesrc->mute;
GST_DEBUG_OBJECT (pulsesrc, "we don't have a stream index");
return mute;
if (volume)
*volume = pulsesrc->volume;
if (mute)
*mute = pulsesrc->mute;
return;
}
info_failed:
{
@ -680,7 +633,6 @@ mute_failed:
}
}
static void
gst_pulsesrc_set_stream_device (GstPulseSrc * pulsesrc, const gchar * device)
{
@ -804,11 +756,19 @@ gst_pulsesrc_get_property (GObject * object,
g_value_set_uint (value, pulsesrc->source_output_idx);
break;
case PROP_VOLUME:
g_value_set_double (value, gst_pulsesrc_get_stream_volume (pulsesrc));
{
gdouble volume;
gst_pulsesrc_get_source_output_info (pulsesrc, &volume, NULL);
g_value_set_double (value, volume);
break;
}
case PROP_MUTE:
g_value_set_boolean (value, gst_pulsesrc_get_stream_mute (pulsesrc));
{
gboolean mute;
gst_pulsesrc_get_source_output_info (pulsesrc, NULL, &mute);
g_value_set_boolean (value, mute);
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;