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dvbbasebin: better error handling in case tsparse is missing

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=730641
This commit is contained in:
Tim-Philipp Müller 2014-05-25 13:05:49 +01:00
parent d564b62ee8
commit ef143252d0
1 changed files with 28 additions and 6 deletions
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28
sys/dvb/dvbbasebin.c
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@ -434,8 +434,12 @@ dvb_base_bin_init (DvbBaseBin * dvbbasebin)
G_CALLBACK (tuning_fail_signal_cb), dvbbasebin);
/* Expose tsparse source pad */
if (dvbbasebin->tsparse != NULL) {
pad = gst_element_get_static_pad (dvbbasebin->tsparse, "src");
ghost = gst_ghost_pad_new ("src", pad);
} else {
ghost = gst_ghost_pad_new_no_target ("src", GST_PAD_SRC);
}
gst_element_add_pad (GST_ELEMENT (dvbbasebin), ghost);
dvbbasebin->programs = g_hash_table_new_full (g_direct_hash, g_direct_equal,
@ -474,6 +478,7 @@ dvb_base_bin_dispose (GObject * object)
/* remove mpegtsparse BEFORE dvbsrc, since the mpegtsparse::pad-removed
* signal handler uses dvbsrc */
dvb_base_bin_reset (dvbbasebin);
if (dvbbasebin->tsparse != NULL)
gst_bin_remove (GST_BIN (dvbbasebin), dvbbasebin->tsparse);
gst_bin_remove (GST_BIN (dvbbasebin), dvbbasebin->dvbsrc);
gst_bin_remove (GST_BIN (dvbbasebin), dvbbasebin->buffer_queue);
@ -609,16 +614,20 @@ static GstPad *
dvb_base_bin_request_new_pad (GstElement * element,
GstPadTemplate * templ, const gchar * name, const GstCaps * caps)
{
DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (element);
GstPad *pad;
GstPad *ghost;
gchar *pad_name;
GST_DEBUG ("New pad requested %s", name);
GST_DEBUG_OBJECT (dvbbasebin, "New pad requested %s", GST_STR_NULL (name));
if (dvbbasebin->tsparse == NULL)
return NULL;
if (name == NULL)
name = GST_PAD_TEMPLATE_NAME_TEMPLATE (templ);
pad = gst_element_get_request_pad (GST_DVB_BASE_BIN (element)->tsparse, name);
pad = gst_element_get_request_pad (dvbbasebin->tsparse, name);
if (pad == NULL)
return NULL;
@ -708,6 +717,19 @@ dvb_base_bin_change_state (GstElement * element, GstStateChange transition)
GstStateChangeReturn ret;
dvbbasebin = GST_DVB_BASE_BIN (element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
if (dvbbasebin->tsparse == NULL) {
GST_ELEMENT_ERROR (dvbbasebin, CORE, MISSING_PLUGIN, (NULL),
("No 'tsparse' element, check your GStreamer installation."));
return GST_STATE_CHANGE_FAILURE;
}
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
@ -891,7 +913,7 @@ dvb_base_bin_handle_message (GstBin * bin, GstMessage * message)
dvbbasebin = GST_DVB_BASE_BIN (bin);
/* note: message->src might be a GstPad, so use element cast w/o typecheck */
if (GST_ELEMENT_CAST (message->src) == GST_ELEMENT (dvbbasebin->tsparse)) {
if (GST_ELEMENT_CAST (message->src) == dvbbasebin->tsparse) {
GstMpegTsSection *section = gst_message_parse_mpegts_section (message);
if (section) {