Update cap_gstreamer.cpp

fixed call open(int id) failed
7 years ago · 715f23127c
parent 4fe900c399
commit 715f23127c
1 changed files with 3 additions and 1 deletions
--- 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());