static gboolean
gst_play_sink_audio_convert_add_conversion_elements (GstPlaySinkAudioConvert *
self)
{
GstPlaySinkConvertBin *cbin = GST_PLAY_SINK_CONVERT_BIN (self);
GstElement *el, *prev = NULL;
g_assert (cbin->conversion_elements == NULL);
GST_DEBUG_OBJECT (self,
"Building audio conversion with use-converters %d, use-volume %d",
self->use_converters, self->use_volume);
if (self->use_converters) {
el = gst_play_sink_convert_bin_add_conversion_element_factory (cbin,
"audioconvert", "conv");
if (el) {
prev = el;
}
el = gst_play_sink_convert_bin_add_conversion_element_factory (cbin,
"audioresample", "resample");
if (el) {
if (prev) {
if (!gst_element_link_pads_full (prev, "src", el, "sink",
GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
goto link_failed;
}
prev = el;
}
}
if (self->use_volume && self->volume) {
el = self->volume;
gst_play_sink_convert_bin_add_conversion_element (cbin, el);
if (prev) {
if (!gst_element_link_pads_full (prev, "src", el, "sink",
GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
goto link_failed;
}
prev = el;
}
return TRUE;
link_failed:
return FALSE;
}
GstElement *
gst_play_sink_convert_bin_add_conversion_element_factory (GstPlaySinkConvertBin
* self, const char *factory, const char *name)
{
GstElement *el;
el = gst_element_factory_make (factory, name);
if (el == NULL) {
gst_play_sink_convert_bin_post_missing_element_message (self, factory);
GST_ELEMENT_WARNING (self, CORE, MISSING_PLUGIN,
(_("Missing element '%s' - check your GStreamer installation."),
factory),
(self->audio ? "audio rendering might fail" :
"video rendering might fail"));
} else {
gst_play_sink_convert_bin_add_conversion_element (self, el);
}
return el;
}
