Update cap_gstreamer.cpp

fixed call open(int id) failed

Update cap_gstreamer.cpp
fixed call open(int id) failed
715f2312 · zarelaky · 4fe900c3 · 715f2312
Commit 715f2312 authored Aug 06, 2018 by zarelaky
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cap_gstreamer.cpp modules/videoio/src/cap_gstreamer.cpp +3 -1

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--- a/modules/videoio/src/cap_gstreamer.cpp
+++ b/modules/videoio/src/cap_gstreamer.cpp
@@ -613,10 +613,12 @@ int GStreamerCapture::getCaptureDomain() { return CAP_GSTREAMER; }
 */
 bool GStreamerCapture::open(int id)
 {
+    gst_initializer::init();
+
    if (!is_gst_element_exists("v4l2src"))
        return false;
    std::ostringstream desc;
-    desc << "v4l2src device-name=/dev/video" << id
+    desc << "v4l2src device=/dev/video" << id
             << " ! " << COLOR_ELEM
             << " ! appsink";
    return open(desc.str());