generic-library/opencv
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change state of pipeline to NULL before freeing.

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This commit is contained in:
Nils Hasler 2011-05-06 19:06:33 +00:00
parent 43f12fa96b
commit 39b79b1261
1 changed files with 15 additions and 14 deletions
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29
modules/highgui/src/cap_gstreamer.cpp
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@ -278,17 +278,17 @@ void CvCapture_GStreamer::newPad(GstElement *uridecodebin,
GstPad *pad,
gpointer data)
{
GstPad *sinkpad;
GstElement *color = (GstElement *) data;
GstPad *sinkpad;
GstElement *color = (GstElement *) data;
sinkpad = gst_element_get_static_pad (color, "sink");
sinkpad = gst_element_get_static_pad (color, "sink");
// printf("linking dynamic pad to colourconverter %p %p\n", uridecodebin, pad);
gst_pad_link (pad, sinkpad);
gst_pad_link (pad, sinkpad);
gst_object_unref (sinkpad);
gst_object_unref (sinkpad);
}
bool CvCapture_GStreamer::open( int type, const char* filename )
@ -347,11 +347,11 @@ bool CvCapture_GStreamer::open( int type, const char* filename )
if(!uridecodebin) {
uridecodebin = gst_element_factory_make ("uridecodebin", NULL);
g_object_set(G_OBJECT(uridecodebin),"uri",uri, NULL);
}
if(!uridecodebin) {
CV_WARN("GStreamer: Failed to create uridecodebin\n");
close();
return false;
if(!uridecodebin) {
CV_WARN("GStreamer: Failed to create uridecodebin\n");
close();
return false;
}
}
if(manualpipeline) {
@ -384,10 +384,10 @@ bool CvCapture_GStreamer::open( int type, const char* filename )
{
GstCaps* caps;
caps = gst_caps_new_simple("video/x-raw-rgb",
"red_mask", G_TYPE_INT, 0x0000FF,
"green_mask", G_TYPE_INT, 0x00FF00,
"blue_mask", G_TYPE_INT, 0xFF0000,
NULL);
"red_mask", G_TYPE_INT, 0x0000FF,
"green_mask", G_TYPE_INT, 0x00FF00,
"blue_mask", G_TYPE_INT, 0xFF0000,
NULL);
gst_app_sink_set_caps(GST_APP_SINK(sink), caps);
gst_caps_unref(caps);
}
@ -401,6 +401,7 @@ bool CvCapture_GStreamer::open( int type, const char* filename )
if(gst_element_set_state(GST_ELEMENT(pipeline), GST_STATE_PLAYING) ==
GST_STATE_CHANGE_FAILURE) {
gst_element_set_state(GST_ELEMENT(pipeline), GST_STATE_NULL);
CV_WARN("GStreamer: unable to set pipeline to playing\n");
gst_object_unref(pipeline);
return false;