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dashdemux: Fix event leak when parsing manifest fails

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Always remember to unref the event before proceeding, in both success
and failure cases
This commit is contained in:
Thiago Santos 2013-07-03 19:11:11 -03:00
parent 788757dc1f
commit 3030c25aed
1 changed files with 29 additions and 19 deletions
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48
ext/dash/gstdashdemux.c
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@ -738,7 +738,8 @@ gst_dash_demux_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
case GST_EVENT_EOS:{
gchar *manifest;
GstQuery *query;
gboolean res;
gboolean query_res;
gboolean ret = TRUE;
GstMapInfo mapinfo;
if (demux->manifest == NULL) {
@ -753,8 +754,8 @@ gst_dash_demux_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
demux->client = gst_mpd_client_new ();
query = gst_query_new_uri ();
res = gst_pad_peer_query (pad, query);
if (res) {
query_res = gst_pad_peer_query (pad, query);
if (query_res) {
gst_query_parse_uri (query, &demux->client->mpd_uri);
GST_DEBUG_OBJECT (demux, "Fetched MPD file at URI: %s",
demux->client->mpd_uri);
@ -763,33 +764,40 @@ gst_dash_demux_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
}
gst_query_unref (query);
gst_buffer_map (demux->manifest, &mapinfo, GST_MAP_READ);
manifest = (gchar *) mapinfo.data;
if (manifest == NULL) {
if (gst_buffer_map (demux->manifest, &mapinfo, GST_MAP_READ)) {
manifest = (gchar *) mapinfo.data;
if (!gst_mpd_parse (demux->client, manifest, mapinfo.size)) {
/* In most cases, this will happen if we set a wrong url in the
* source element and we have received the 404 HTML response instead of
* the manifest */
GST_ELEMENT_ERROR (demux, STREAM, DECODE, ("Invalid manifest."),
(NULL));
ret = FALSE;
}
gst_buffer_unmap (demux->manifest, &mapinfo);
} else {
GST_WARNING_OBJECT (demux, "Error validating the manifest.");
} else if (!gst_mpd_parse (demux->client, manifest, mapinfo.size)) {
/* In most cases, this will happen if we set a wrong url in the
* source element and we have received the 404 HTML response instead of
* the manifest */
GST_ELEMENT_ERROR (demux, STREAM, DECODE, ("Invalid manifest."),
(NULL));
return FALSE;
ret = FALSE;
}
gst_buffer_unmap (demux->manifest, &mapinfo);
gst_buffer_unref (demux->manifest);
demux->manifest = NULL;
if (!ret)
goto seek_quit;
if (!gst_mpd_client_setup_media_presentation (demux->client)) {
GST_ELEMENT_ERROR (demux, STREAM, DECODE,
("Incompatible manifest file."), (NULL));
return FALSE;
ret = FALSE;
goto seek_quit;
}
/* setup video, audio and subtitle streams, starting from first Period */
if (!gst_mpd_client_set_period_index (demux->client, 0) ||
!gst_dash_demux_setup_all_streams (demux))
return FALSE;
!gst_dash_demux_setup_all_streams (demux)) {
ret = FALSE;
goto seek_quit;
}
gst_dash_demux_advance_period (demux);
@ -860,8 +868,10 @@ gst_dash_demux_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
demux->need_segment = TRUE;
gst_dash_demux_resume_download_task (demux);
gst_dash_demux_resume_stream_task (demux);
seek_quit:
gst_event_unref (event);
return TRUE;
return ret;
}
case GST_EVENT_SEGMENT:
/* Swallow newsegments, we'll push our own */