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playbin(2): Document that the volume property uses a linear scale

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Fixes bug #571610.
This commit is contained in:
Sebastian Dröge 2009-09-10 16:55:31 +02:00
parent ca3b91b2d0
commit 662a31983f
2 changed files with 18 additions and 4 deletions
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15
gst/playback/gstplaybin.c
View file

@ -394,6 +394,13 @@ gst_play_bin_class_init (GstPlayBinClass * klass)
g_param_spec_object ("vis-plugin", "Vis plugin",
"the visualization element to use (NULL = none)",
GST_TYPE_ELEMENT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstPlayBin:volume:
*
* Get or set the current audio stream volume. 1.0 means 100%,
* 0.0 means mute. This uses a linear volume scale.
*
*/
g_object_class_install_property (gobject_klass, ARG_VOLUME,
g_param_spec_double ("volume", "volume", "volume",
0.0, VOLUME_MAX_DOUBLE, 1.0,
@ -522,8 +529,8 @@ gst_play_bin_vis_blocked (GstPad * tee_pad, gboolean blocked,
}
vis_bin =
GST_BIN_CAST (gst_object_get_parent (GST_OBJECT_CAST (play_bin->
visualisation)));
GST_BIN_CAST (gst_object_get_parent (GST_OBJECT_CAST
(play_bin->visualisation)));
if (!GST_IS_BIN (vis_bin) || !GST_IS_PAD (tee_pad)) {
goto beach;
@ -665,8 +672,8 @@ gst_play_bin_set_property (GObject * object, guint prop_id,
GstBin *vis_bin = NULL;
vis_bin =
GST_BIN_CAST (gst_object_get_parent (GST_OBJECT_CAST (play_bin->
visualisation)));
GST_BIN_CAST (gst_object_get_parent (GST_OBJECT_CAST
(play_bin->visualisation)));
/* Check if the visualisation is already in a bin */
if (GST_IS_BIN (vis_bin)) {

7
gst/playback/gstplaybin2.c
View file

@ -728,6 +728,13 @@ gst_play_bin_class_init (GstPlayBinClass * klass)
"the subpicture output element to use (NULL = default dvdspu)",
GST_TYPE_ELEMENT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstPlayBin2:volume:
*
* Get or set the current audio stream volume. 1.0 means 100%,
* 0.0 means mute. This uses a linear volume scale.
*
*/
g_object_class_install_property (gobject_klass, PROP_VOLUME,
g_param_spec_double ("volume", "Volume", "The audio volume, 1.0=100%",
0.0, VOLUME_MAX_DOUBLE, 1.0,