<div dir="ltr">What about these pipelines:<div><br></div><div>gst-launch-1.0.exe gltestsrc ! glimagesink<br>gst-launch-1.0.exe gltestsrc ! gldownload ! queue ! videoconvert ! d3dvideosink<br>gst-launch-1.0.exe gltestsrc ! gleffects_identity ! gldownload ! queue ! videoconvert ! d3dvideosink  <br></div><div><br></div><div>all they work without errors.</div><div><br></div><div>what about my pipeline, i changed it as you said:</div><div><pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(0,128,0)">filesrc</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(0,128,0)">location=D:/test_nvdec/jumanji.mp4</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(0,128,0)">!</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(0,128,0)">qtdemux</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(0,128,0)">!</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(0,128,0)">h264parse</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(0,128,0)">!</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(0,128,0)">nvdec</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(0,128,0)">!</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(0,128,0)">glcolorconvert</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(0,128,0)">!</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(0,128,0)">gldownload</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(0,128,0)">!</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(0,128,0)">appsink</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(0,128,0)">sync=false</span></pre><pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(0,128,0)"><br></span></pre><pre style="margin-top:0px;margin-bottom:0px"><font color="#000000">but i'm still getting errors:</font></pre><pre style="margin-top:0px;margin-bottom:0px"><p style="margin:0px;white-space:pre-wrap"><span style="color:rgb(170,0,0)">0:00:00.159820000 24808 0000021A68D53480 WARN                 basesrc gstbasesrc.c:3600:gst_base_src_start_complete:<filesrc0> pad not activated yet</span></p>
<p style="margin:0px;white-space:pre-wrap"><span style="color:rgb(170,0,0)">0:00:00.160601000 24808 0000021A68D0B940 WARN                 qtdemux qtdemux_types.c:240:qtdemux_type_get: unknown QuickTime node type gsst</span></p>
<p style="margin:0px;white-space:pre-wrap"><span style="color:rgb(170,0,0)">0:00:00.160791000 24808 0000021A68D0B940 WARN                 qtdemux qtdemux_types.c:240:qtdemux_type_get: unknown QuickTime node type gstd</span></p>
<p style="margin:0px;white-space:pre-wrap"><span style="color:rgb(170,0,0)">0:00:00.160977000 24808 0000021A68D0B940 WARN                 qtdemux qtdemux.c:3238:qtdemux_parse_trex:<qtdemux0> failed to find fragment defaults for stream 1</span></p>
<p style="margin:0px;white-space:pre-wrap"><span style="color:rgb(170,0,0)">0:00:00.161218000 24808 0000021A68D0B940 WARN                 qtdemux qtdemux.c:3238:qtdemux_parse_trex:<qtdemux0> failed to find fragment defaults for stream 2</span></p>
<p style="margin:0px;white-space:pre-wrap"><span style="color:rgb(170,0,0)">0:00:00.212364000 24808 0000021A68D0B940 WARN            glbasefilter gstglbasefilter.c:491:gst_gl_base_filter_find_gl_context:<glcolorconvertelement0> error: glGetString not defined or returned invalid value</span></p>
<p style="margin:0px;color:rgb(170,0,0);white-space:pre-wrap"><br></p>
<p style="margin:0px;white-space:pre-wrap"><span style="color:rgb(170,0,0)">(gametrack_modules.exe:24808): GStreamer-CRITICAL **: 12:42:42.107: gst_mini_object_unref: assertion 'mini_object != NULL' failed</span></p>
<p style="margin:0px;color:rgb(170,0,0);white-space:pre-wrap"><br></p>
<p style="margin:0px;white-space:pre-wrap"><span style="color:rgb(170,0,0)">(gametrack_modules.exe:24808): GStreamer-CRITICAL **: 12:42:42.107: gst_mini_object_ref: assertion 'mini_object != NULL' failed</span></p>
<p style="margin:0px;color:rgb(170,0,0);white-space:pre-wrap"><br></p>
<p style="margin:0px;white-space:pre-wrap"><span style="color:rgb(170,0,0)">(gametrack_modules.exe:24808): GStreamer-CRITICAL **: 12:42:42.107: gst_caps_intersect_full: assertion 'GST_IS_CAPS (caps1)' failed</span></p>
<p style="margin:0px;color:rgb(170,0,0);white-space:pre-wrap"><br></p>
<p style="margin:0px;white-space:pre-wrap"><span style="color:rgb(170,0,0)">(gametrack_modules.exe:24808): GStreamer-CRITICAL **: 12:42:42.107: gst_mini_object_unref: assertion 'mini_object != NULL' failed</span></p><p style="margin:0px;white-space:pre-wrap"><span style="color:rgb(170,0,0)"><br></span></p><p style="margin:0px;white-space:pre-wrap"><span style="color:rgb(170,0,0)"><br></span></p><p style="margin:0px;white-space:pre-wrap"><font color="#000000">so, that means that i need to build GStreamer master and try with it?</font></p></pre></div></div>