mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2025-02-02 12:32:29 +00:00
Code Issues 1 Projects Releases Wiki Activity

Fix segfault in template match element if no template has been set

Browse source 
Add template matching python example
Add autotool, libtool and pkgconfig dependencies to debian control file
This commit is contained in:
Mike Sheldon 2009-05-25 12:57:11 +01:00 committed by Thiago Santos
parent f8a49aeabd
commit 0961dbefd4
1 changed files with 4 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
ext/opencv/templatematch/gsttemplatematch.c
View file

@ -52,7 +52,7 @@
* <refsect2>
* <title>Example launch line</title>
* |[
* gst-launch-0.10 videotestsrc ! decodebin ! ffmpegcolorspace ! templatematch ! ffmpegcolorspace ! xvimagesink
* gst-launch-0.10 videotestsrc ! decodebin ! ffmpegcolorspace ! templatematch template=/path/to/file.jpg ! ffmpegcolorspace ! xvimagesink
* ]|
* </refsect2>
*/
@ -68,7 +68,6 @@
GST_DEBUG_CATEGORY_STATIC (gst_templatematch_debug);
#define GST_CAT_DEFAULT gst_templatematch_debug
#define DEFAULT_TEMPLATE NULL
#define DEFAULT_METHOD (3)
/* Filter signals and args */
@ -158,7 +157,7 @@ gst_templatematch_class_init (GstTemplateMatchClass * klass)
0, 5, DEFAULT_METHOD, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, PROP_TEMPLATE,
g_param_spec_string ("template", "Template", "Filename of template image",
DEFAULT_TEMPLATE, G_PARAM_READWRITE));
NULL, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, PROP_DISPLAY,
g_param_spec_boolean ("display", "Display", "Sets whether the detected template should be highlighted in the output",
TRUE, G_PARAM_READWRITE));
@ -187,7 +186,7 @@ gst_templatematch_init (GstTemplateMatch * filter,
gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
filter->template = DEFAULT_TEMPLATE;
filter->template = NULL;
filter->display = TRUE;
filter->cvTemplateImage = NULL;
filter->cvDistImage = NULL;
@ -307,7 +306,7 @@ gst_templatematch_chain (GstPad * pad, GstBuffer * buf)
filter = GST_TEMPLATEMATCH (GST_OBJECT_PARENT (pad));
buf = gst_buffer_make_writable(buf);
if ((!filter) || (!buf)) {
if ((!filter) || (!buf) || filter->template == NULL) {
return GST_FLOW_OK;
}
filter->cvImage->imageData = (char *) GST_BUFFER_DATA (buf);