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videoio(gstreamer): support dumping of VideoWriter pipeline

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This commit is contained in:
Alexander Alekhin 2018-06-04 18:38:24 +00:00
parent b2cff44084
commit 277e9279cc
1 changed files with 2 additions and 0 deletions
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2
modules/videoio/src/cap_gstreamer.cpp
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@ -1657,6 +1657,8 @@ bool CvVideoWriter_GStreamer::open( const char * filename, int fourcc,
}
#endif
GST_DEBUG_BIN_TO_DOT_FILE(GST_BIN(pipeline), GST_DEBUG_GRAPH_SHOW_ALL, "write-pipeline");
stateret = gst_element_set_state(GST_ELEMENT(pipeline), GST_STATE_PLAYING);
if(stateret == GST_STATE_CHANGE_FAILURE) {
handleMessage(pipeline);