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repaired GStreamer 0.10 version

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This commit is contained in:
Ilya Lavrenov 2015-08-16 21:01:22 +03:00
parent dbd7912b88
commit c19ed39a78
2 changed files with 20 additions and 16 deletions
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6
cmake/OpenCVFindLibsVideo.cmake
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@ -12,8 +12,8 @@ endif(WITH_VFW)
# --- GStreamer ---
ocv_clear_vars(HAVE_GSTREAMER)
# try to find gstreamer 1.x first
if(WITH_GSTREAMER)
# try to find gstreamer 1.x first if 0.10 was not requested
if(WITH_GSTREAMER AND NOT WITH_GSTREAMER_0_10)
CHECK_MODULE(gstreamer-base-1.0 HAVE_GSTREAMER_BASE)
CHECK_MODULE(gstreamer-video-1.0 HAVE_GSTREAMER_VIDEO)
CHECK_MODULE(gstreamer-app-1.0 HAVE_GSTREAMER_APP)
@ -29,7 +29,7 @@ if(WITH_GSTREAMER)
set(GSTREAMER_PBUTILS_VERSION ${ALIASOF_gstreamer-pbutils-1.0_VERSION})
endif()
endif(WITH_GSTREAMER)
endif()
# gstreamer support was requested but could not find gstreamer 1.x,
# so fallback/try to find gstreamer 0.10

30
modules/highgui/src/cap_gstreamer.cpp
View File

@ -75,10 +75,13 @@
#if GST_VERSION_MAJOR == 0
#define COLOR_ELEM "ffmpegcolorspace"
#define COLOR_ELEM_NAME "ffmpegcsp"
#elif FULL_GST_VERSION < VERSION_NUM(1,5,0)
#define COLOR_ELEM "videoconvert"
#define COLOR_ELEM_NAME COLOR_ELEM
#else
#define COLOR_ELEM "autovideoconvert"
#define COLOR_ELEM_NAME COLOR_ELEM
#endif
void toFraction(double decimal, double &numerator, double &denominator);
@ -677,28 +680,27 @@ bool CvCapture_GStreamer::open( int type, const char* filename )
if (manualpipeline)
{
GstIterator *it = NULL;
#if GST_VERSION_MAJOR == 0
it = gst_bin_iterate_sinks(GST_BIN(uridecodebin));
if (gst_iterator_next(it, (gpointer *)&sink) != GST_ITERATOR_OK)
{
CV_ERROR(CV_StsError, "GStreamer: cannot find appsink in manual pipeline\n");
return false;
}
#else
it = gst_bin_iterate_elements(GST_BIN(uridecodebin));
GstIterator *it = gst_bin_iterate_elements(GST_BIN(uridecodebin));
gboolean done = false;
GstElement *element = NULL;
gboolean done = false;
gchar* name = NULL;
#if GST_VERSION_MAJOR > 0
GValue value = G_VALUE_INIT;
#endif
while (!done)
{
#if GST_VERSION_MAJOR > 0
switch (gst_iterator_next (it, &value))
{
case GST_ITERATOR_OK:
element = GST_ELEMENT (g_value_get_object (&value));
#else
switch (gst_iterator_next (it, (gpointer *)&element))
{
case GST_ITERATOR_OK:
#endif
name = gst_element_get_name(element);
if (name)
{
@ -707,14 +709,16 @@ bool CvCapture_GStreamer::open( int type, const char* filename )
sink = GST_ELEMENT ( gst_object_ref (element) );
done = sink && color;
}
else if (strstr(name, COLOR_ELEM) != NULL)
else if (strstr(name, COLOR_ELEM_NAME) != NULL)
{
color = GST_ELEMENT ( gst_object_ref (element) );
done = sink && color;
}
g_free(name);
}
#if GST_VERSION_MAJOR > 0
g_value_unset (&value);
#endif
break;
case GST_ITERATOR_RESYNC:
@ -733,7 +737,7 @@ bool CvCapture_GStreamer::open( int type, const char* filename )
CV_ERROR(CV_StsError, "GStreamer: cannot find appsink in manual pipeline\n");
return false;
}
#endif
pipeline = uridecodebin;
}
else