mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-20 15:27:07 +00:00
Added gst_gconf function to render visualisation plugin from GConf key "default/visualisation"
Original commit message from CVS: Added gst_gconf function to render visualisation plugin from GConf key "default/visualisation" Enjoyed that commit to document those functions and remove commented functions
This commit is contained in:
Julien Moutte
parent
c7850cd0ae
commit
620e0f274d
3 changed files with 106 additions and 15 deletions
|
|
@ -44,5 +44,16 @@
|
|||
<long>GStreamer can record video from any number of input elements. Some possible choices are v4lsrc and videotestsrc. The video source can be a partial pipeline instead of just one element.</long>
|
||||
</locale>
|
||||
</schema>
|
||||
<schema>
|
||||
<key>/schemas/system/gstreamer/default/visualisation</key>
|
||||
<applyto>/system/gstreamer/default/visualisation</applyto>
|
||||
<owner>gstreamer</owner>
|
||||
<type>string</type>
|
||||
<default>goom</default>
|
||||
<locale name="C">
|
||||
<short>default GStreamer visualisation plugin</short>
|
||||
<long>GStreamer can put visualisation plugins in a pipeline to transform audio stream in video frames. Default is goom but more visualisation plugins will be ported soon. The visualisation plugin can be a partial pipeline instead of just one element.</long>
|
||||
</locale>
|
||||
</schema>
|
||||
</schemalist>
|
||||
</gconfschemafile>
|
||||
|
|
|
|||
|
|
@ -57,6 +57,14 @@ gst_bin_find_unconnected_pad (GstBin *bin, GstPadDirection direction)
|
|||
|
||||
/* external functions */
|
||||
|
||||
/**
|
||||
* gst_gconf_get_string:
|
||||
* @key: a #gchar corresponding to the key you want to get.
|
||||
*
|
||||
* Get GConf key @key's string value.
|
||||
*
|
||||
* Returns: a #gchar string containing @key's value.
|
||||
*/
|
||||
gchar *
|
||||
gst_gconf_get_string (const gchar *key)
|
||||
{
|
||||
|
|
@ -77,6 +85,13 @@ gst_gconf_get_string (const gchar *key)
|
|||
return value;
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_gconf_set_string:
|
||||
* @key: a #gchar corresponding to the key you want to set.
|
||||
* @value: a #gchar containing key value.
|
||||
*
|
||||
* Set GConf key @key to string value @value.
|
||||
*/
|
||||
void
|
||||
gst_gconf_set_string (const gchar *key, const gchar *value)
|
||||
{
|
||||
|
|
@ -92,8 +107,14 @@ gst_gconf_set_string (const gchar *key, const gchar *value)
|
|||
g_free (full_key);
|
||||
}
|
||||
|
||||
/* this function renders the given description to a bin,
|
||||
* and ghosts at most one unconnected src pad and one unconnected sink pad */
|
||||
/**
|
||||
* gst_gconf_render_bin_from_description:
|
||||
* @description: a #gchar string describing the bin.
|
||||
*
|
||||
* Render bin from description @description.
|
||||
*
|
||||
* Returns: a #GstElement containing the rendered bin.
|
||||
*/
|
||||
GstElement *
|
||||
gst_gconf_render_bin_from_description (const gchar *description)
|
||||
{
|
||||
|
|
@ -124,8 +145,14 @@ gst_gconf_render_bin_from_description (const gchar *description)
|
|||
return bin;
|
||||
}
|
||||
|
||||
/* this function reads the gconf key, parses the pipeline bit to a bin,
|
||||
* and ghosts at most one unconnected src pad and one unconnected sink pad */
|
||||
/**
|
||||
* gst_gconf_render_bin_from_key:
|
||||
* @key: a #gchar string corresponding to a GConf key.
|
||||
*
|
||||
* Render bin from GConf key @key.
|
||||
*
|
||||
* Returns: a #GstElement containing the rendered bin.
|
||||
*/
|
||||
GstElement *
|
||||
gst_gconf_render_bin_from_key (const gchar *key)
|
||||
{
|
||||
|
|
@ -138,12 +165,15 @@ gst_gconf_render_bin_from_key (const gchar *key)
|
|||
return bin;
|
||||
}
|
||||
|
||||
/*
|
||||
guint gst_gconf_notify_add (const gchar *key,
|
||||
GConfClientNotifyFunc func,
|
||||
gpointer user_data);
|
||||
*/
|
||||
|
||||
/**
|
||||
* gst_gconf_get_default_audio_sink:
|
||||
*
|
||||
* Render audio output bin from GStreamer GConf key : "default/audiosink".
|
||||
* If key is invalid osssink is used as default output plugin.
|
||||
*
|
||||
* Returns: a #GstElement containing the audio output bin, or NULL if
|
||||
* everything failed.
|
||||
*/
|
||||
GstElement *
|
||||
gst_gconf_get_default_audio_sink (void)
|
||||
{
|
||||
|
|
@ -161,6 +191,15 @@ gst_gconf_get_default_audio_sink (void)
|
|||
return ret;
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_gconf_get_default_video_sink:
|
||||
*
|
||||
* Render video output bin from GStreamer GConf key : "default/videosink".
|
||||
* If key is invalid xvideosink is used as default output plugin.
|
||||
*
|
||||
* Returns: a #GstElement containing the video output bin, or NULL if
|
||||
* everything failed.
|
||||
*/
|
||||
GstElement *
|
||||
gst_gconf_get_default_video_sink (void)
|
||||
{
|
||||
|
|
@ -178,6 +217,15 @@ gst_gconf_get_default_video_sink (void)
|
|||
return ret;
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_gconf_get_default_audio_src:
|
||||
*
|
||||
* Render audio acquisition bin from GStreamer GConf key : "default/audiosrc".
|
||||
* If key is invalid osssrc is used as default source.
|
||||
*
|
||||
* Returns: a #GstElement containing the audio source bin, or NULL if
|
||||
* everything failed.
|
||||
*/
|
||||
GstElement *
|
||||
gst_gconf_get_default_audio_src (void)
|
||||
{
|
||||
|
|
@ -195,6 +243,16 @@ gst_gconf_get_default_audio_src (void)
|
|||
return ret;
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_gconf_get_default_video_src:
|
||||
*
|
||||
* Render video acquisition bin from GStreamer GConf key :
|
||||
* "default/videosrc". If key is invalid videotestsrc
|
||||
* is used as default source.
|
||||
*
|
||||
* Returns: a #GstElement containing the video source bin, or NULL if
|
||||
* everything failed.
|
||||
*/
|
||||
GstElement *
|
||||
gst_gconf_get_default_video_src (void)
|
||||
{
|
||||
|
|
@ -212,6 +270,32 @@ gst_gconf_get_default_video_src (void)
|
|||
return ret;
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_gconf_get_default_visualisation_element:
|
||||
*
|
||||
* Render visualisation bin from GStreamer GConf key : "default/visualisation".
|
||||
* If key is invalid goom is used as default visualisation element.
|
||||
*
|
||||
* Returns: a #GstElement containing the visualisation bin, or NULL if
|
||||
* everything failed.
|
||||
*/
|
||||
GstElement *
|
||||
gst_gconf_get_default_visualisation_element (void)
|
||||
{
|
||||
GstElement *ret = gst_gconf_render_bin_from_key ("default/visualisation");
|
||||
|
||||
if (!ret) {
|
||||
ret = gst_element_factory_make ("goom", NULL);
|
||||
|
||||
if (!ret)
|
||||
g_warning ("No GConf default visualisation plugin key and goom doesn't work");
|
||||
else
|
||||
g_warning ("GConf visualisation plugin not found, using goom");
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
plugin_init (GModule *module, GstPlugin *plugin)
|
||||
{
|
||||
|
|
|
|||
|
|
@ -19,10 +19,6 @@ GstElement * gst_gconf_get_default_video_sink (void);
|
|||
GstElement * gst_gconf_get_default_audio_sink (void);
|
||||
GstElement * gst_gconf_get_default_video_src (void);
|
||||
GstElement * gst_gconf_get_default_audio_src (void);
|
||||
GstElement * gst_gconf_get_default_visualisation_element (void);
|
||||
|
||||
/*
|
||||
guint gst_gconf_notify_add (const gchar *key,
|
||||
GConfClientNotifyFunc func,
|
||||
gpointer user_data);
|
||||
*/
|
||||
#endif /* GST_GCONF_H */
|
||||
|
|
|
|||
Loading…
Reference in a new issue