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Fixed compatibility with GStreamer 1.x.

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This commit is contained in:
Alexander Smorkalov 2014-09-23 14:00:53 +04:00
parent a419b64347
commit aa57634213
1 changed files with 11 additions and 13 deletions
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24
modules/videoio/src/cap_gstreamer.cpp
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@ -1220,12 +1220,12 @@ bool CvVideoWriter_GStreamer::open( const char * filename, int fourcc,
GstEncodingVideoProfile* videoprofile = NULL;
#endif
bool done = false;
GstElement* item = NULL;
GstIterator* it = NULL;
char* name = NULL;
GstElement* splitter;
GstElement* combiner;
gboolean done = FALSE;
GstElement *element = NULL;
gchar* name = NULL;
GstElement* splitter = NULL;
GstElement* combiner = NULL;
// we first try to construct a pipeline from the given string.
// if that fails, we assume it is an ordinary filename
@ -1245,10 +1245,6 @@ bool CvVideoWriter_GStreamer::open( const char * filename, int fourcc,
}
#else
it = gst_bin_iterate_sources (GST_BIN(encodebin));
gboolean done = FALSE;
GstElement *element = NULL;
gchar* name = NULL;
GValue value = G_VALUE_INIT;
while (!done) {
@ -1399,19 +1395,20 @@ bool CvVideoWriter_GStreamer::open( const char * filename, int fourcc,
}
}
#if GST_VERSION_MAJOR == 0
// HACK: remove streamsplitter and streamcombiner from
// encodebin pipeline to prevent early EOF event handling
// We always fetch BGR or gray-scale frames, so combiner->spliter
// endge in graph is useless.
it = gst_bin_iterate_recurse (GST_BIN(encodebin));
while (!done) {
switch (gst_iterator_next (it, (void**)&item)) {
switch (gst_iterator_next (it, (void**)&element)) {
case GST_ITERATOR_OK:
name = gst_element_get_name(item);
name = gst_element_get_name(element);
if (strstr(name, "streamsplitter"))
splitter = item;
splitter = element;
else if (strstr(name, "streamcombiner"))
combiner = item;
combiner = element;
break;
case GST_ITERATOR_RESYNC:
gst_iterator_resync (it);
@ -1453,6 +1450,7 @@ bool CvVideoWriter_GStreamer::open( const char * filename, int fourcc,
gst_pad_link(sinkPeer, srcPeer);
}
#endif
stateret = gst_element_set_state(GST_ELEMENT(pipeline), GST_STATE_PLAYING);
if(stateret == GST_STATE_CHANGE_FAILURE) {