I'm trying to run test pipeline:
cv::VideoCapture cap(" videotestsrc ! videoconvert ! appsink0", cv::CAP_GSTREAMER);
But it doesn't start and return next debug info (see below). I compiled opencv using mingw32 7.3.0. Version of Gstreamer is also 32bit. What can be wrong? win7, opencv 4.1.0.
0:00:00.040498363 6904 1F44A7C0 WARN GST_PLUGIN_LOADING gstplugin.c:793:_priv_gst_plugin_load_file_for_registry: module_open failed: 'E:\gstreamer\1.0\x86\lib\gstreamer-1.0\libgstdecklink.dll': Не найдена указанная процедура.
(untitled2.exe:6904): GStreamer-WARNING **: 02:29:33.412: Failed to load plugin 'E:\gstreamer\1.0\x86\lib\gstreamer-1.0\libgstdecklink.dll': 'E:\gstreamer\1.0\x86\lib\gstreamer-1.0\libgstdecklink.dll': Не найдена указанная процедура.
0:00:00.061620856 6904 1F44A7C0 WARN GST_PLUGIN_LOADING gstplugin.c:793:_priv_gst_plugin_load_file_for_registry: module_open failed: 'E:\gstreamer\1.0\x86\lib\gstreamer-1.0\libgstopenh264.dll': Не найдена указанная процедура.
(untitled2.exe:6904): GStreamer-WARNING **: 02:29:33.432: Failed to load plugin 'E:\gstreamer\1.0\x86\lib\gstreamer-1.0\libgstopenh264.dll': 'E:\gstreamer\1.0\x86\lib\gstreamer-1.0\libgstopenh264.dll': Не найдена указанная процедура.
0:00:00.072668621 6904 1F44A7C0 WARN GST_PLUGIN_LOADING gstplugin.c:793:_priv_gst_plugin_load_file_for_registry: module_open failed: 'E:\gstreamer\1.0\x86\lib\gstreamer-1.0\libgstsoundtouch.dll': Не найдена указанная процедура.
(untitled2.exe:6904): GStreamer-WARNING **: 02:29:33.442: Failed to load plugin 'E:\gstreamer\1.0\x86\lib\gstreamer-1.0\libgstsoundtouch.dll': 'E:\gstreamer\1.0\x86\lib\gstreamer-1.0\libgstsoundtouch.dll': Не найдена указанная процедура.
0:00:00.088487674 6904 1F44A7C0 WARN GST_PLUGIN_LOADING gstplugin.c:793:_priv_gst_plugin_load_file_for_registry: module_open failed: 'E:\gstreamer\1.0\x86\lib\gstreamer-1.0\libgstsrt.dll': Не найдена указанная процедура.
(untitled2.exe:6904): GStreamer-WARNING **: 02:29:33.465: Failed to load plugin 'E:\gstreamer\1.0\x86\lib\gstreamer-1.0\libgstsrt.dll': 'E:\gstreamer\1.0\x86\lib\gstreamer-1.0\libgstsrt.dll': Не найдена указанная процедура.
0:00:00.089972159 6904 1F44A7C0 WARN GST_PLUGIN_LOADING gstplugin.c:793:_priv_gst_plugin_load_file_for_registry: module_open failed: 'E:\gstreamer\1.0\x86\lib\gstreamer-1.0\libgsttaglib.dll': Не найдена указанная процедура.
(untitled2.exe:6904): GStreamer-WARNING **: 02:29:33.465: Failed to load plugin 'E:\gstreamer\1.0\x86\lib\gstreamer-1.0\libgsttaglib.dll': 'E:\gstreamer\1.0\x86\lib\gstreamer-1.0\libgsttaglib.dll': Не найдена указанная процедура.
0:00:00.097988553 6904 1F44A7C0 WARN GST_PLUGIN_LOADING gstplugin.c:793:_priv_gst_plugin_load_file_for_registry: module_open failed: 'E:\gstreamer\1.0\x86\lib\gstreamer-1.0\libgstwebrtcdsp.dll': Не найдена указанная процедура.
(untitled2.exe:6904): GStreamer-WARNING **: 02:29:33.475: Failed to load plugin 'E:\gstreamer\1.0\x86\lib\gstreamer-1.0\libgstwebrtcdsp.dll': 'E:\gstreamer\1.0\x86\lib\gstreamer-1.0\libgstwebrtcdsp.dll': Не найдена указанная процедура.
0:00:00.107822720 6904 1F44A7C0 WARN filesrc gstfilesrc.c:533:gst_file_src_start:<source> error: No such file "C:\Users\Shmeisser\Documents\build-untitled2-Desktop_Qt_5_9_4_MinGW_32bit-Debug\ autovideosrc ! videoconvert ! appsink0"
0:00:00.107911655 6904 1F44A7C0 WARN basesrc gstbasesrc.c:3469:gst_base_src_start:<source> error: Failed to start
0:00:00.108341459 6904 1F44A7C0 WARN filesrc gstfilesrc.c:533:gst_file_src_start:<source> error: No such file "C:\Users\Shmeisser\Documents\build-untitled2-Desktop_Qt_5_9_4_MinGW_32bit-Debug\ autovideosrc ! videoconvert ! appsink0"
0:00:00.108391029 6904 1F44A7C0 WARN basesrc gstbasesrc.c:3469:gst_base_src_start:<source> error: Failed to start
0:00:00.108489004 6904 1F44A7C0 WARN filesrc gstfilesrc.c:533:gst_file_src_start:<source> error: No such file "C:\Users\Shmeisser\Documents\build-untitled2-Desktop_Qt_5_9_4_MinGW_32bit-Debug\ autovideosrc ! videoconvert ! appsink0"
0:00:00.108535367 6904 1F44A7C0 WARN basesrc gstbasesrc.c:3469:gst_base_src_start:<source> error: Failed to start
0:00:00.108575898 6904 1F44A7C0 WARN basesrc gstbasesrc.c:3824:gst_base_src_activate_push:<source> Failed to start in push mode
0:00:00.108603015 6904 1F44A7C0 WARN GST_PADS gstpad.c:1142:gst_pad_set_active:<source:src> Failed to activate pad