<div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div>I'd like to provide more details:</div><div><br></div><div>My test pipeline:</div><div><br></div><div>gst-launch-1.0 ksvideosrc ! video/x-raw,format=NV12,width=640,height=480,framerate=15/1 ! videoconvert ! autovideosink</div><div><br></div>gst-device-monitor-1.0 output about laptop’s front camera:</div><div dir="ltr"><br><div>Device found:</div><div> name : Intel(R) AVStream Camera 2500<br> class : Video/Source<br> caps : video/x-raw, format=(string)NV12, width=(int)1920, height=(int)1080, framerate=(fraction)[ 15/1, 30/1 ], pixel-aspect-ratio=(fraction)1/1;<br> video/x-raw, format=(string)IANV, width=(int)1920, height=(int)1080, framerate=(fraction)[ 15/1, 30/1 ], pixel-aspect-ratio=(fraction)1/1;<br> video/x-raw, format=(string)NV12, width=(int)640, height=(int)360, framerate=(fraction)[ 15/1, 30/1 ], pixel-aspect-ratio=(fraction)1/1;<br> video/x-raw, format=(string)IANV, width=(int)640, height=(int)360, framerate=(fraction)[ 15/1, 30/1 ], pixel-aspect-ratio=(fraction)1/1;<br> video/x-raw, format=(string)NV12, width=(int)640, height=(int)480, framerate=(fraction)[ 15/1, 30/1 ], pixel-aspect-ratio=(fraction)1/1;<br> video/x-raw, format=(string)IANV, width=(int)640, height=(int)480, framerate=(fraction)[ 15/1, 30/1 ], pixel-aspect-ratio=(fraction)1/1;<br> video/x-raw, format=(string)NV12, width=(int)640, height=(int)640, framerate=(fraction)[ 15/1, 30/1 ], pixel-aspect-ratio=(fraction)12/11;<br> video/x-raw, format=(string)IANV, width=(int)640, height=(int)640, framerate=(fraction)[ 15/1, 30/1 ], pixel-aspect-ratio=(fraction)12/11;<br> video/x-raw, format=(string)NV12, width=(int)1280, height=(int)720, framerate=(fraction)[ 15/1, 30/1 ], pixel-aspect-ratio=(fraction)1/1;<br> video/x-raw, format=(string)IANV, width=(int)1280, height=(int)720, framerate=(fraction)[ 15/1, 30/1 ], pixel-aspect-ratio=(fraction)1/1;<br> video/x-raw, format=(string)NV12, width=(int)640, height=(int)360, framerate=(fraction)15/1, pixel-aspect-ratio=(fraction)1/1;<br> video/x-raw, format=(string)IANV, width=(int)640, height=(int)360, framerate=(fraction)15/1, pixel-aspect-ratio=(fraction)1/1;<br> video/x-raw, format=(string)NV12, width=(int)640, height=(int)480, framerate=(fraction)15/1, pixel-aspect-ratio=(fraction)1/1;<br> video/x-raw, format=(string)IANV, width=(int)640, height=(int)480, framerate=(fraction)15/1, pixel-aspect-ratio=(fraction)1/1;<br> video/x-raw, format=(string)NV12, width=(int)640, height=(int)640, framerate=(fraction)15/1, pixel-aspect-ratio=(fraction)12/11;<br> video/x-raw, format=(string)IANV, width=(int)640, height=(int)640, framerate=(fraction)15/1, pixel-aspect-ratio=(fraction)12/11;<br> video/x-raw, format=(string)NV12, width=(int)1280, height=(int)720, framerate=(fraction)15/1, pixel-aspect-ratio=(fraction)1/1;<br> video/x-raw, format=(string)IANV, width=(int)1280, height=(int)720, framerate=(fraction)15/1, pixel-aspect-ratio=(fraction)1/1;<br> video/x-raw, format=(string)NV12, width=(int)1920, height=(int)1080, framerate=(fraction)15/1, pixel-aspect-ratio=(fraction)1/1;<br> video/x-raw, format=(string)IANV, width=(int)1920, height=(int)1080, framerate=(fraction)15/1, pixel-aspect-ratio=(fraction)1/1;<br> gst-launch-1.0 ksvideosrc device-path="\\\\\?\\display\#int3470\#4\&5b5cba1\&0\&uid13424\#\{6994ad05-93ef-11d0-a3cc-00a0c9223196\}\\\{bf89b5a5-61f7-4127-a279-e187013d7caf\}" ! …</div><div><br></div><div>Thanks,</div><div>Ilya</div><div><br></div></div></div></div><br><div class="gmail_quote"><div dir="ltr">On Mon, Jan 7, 2019 at 2:23 PM Ilya Aleshkov <<a href="mailto:ilya.aleshkov@gmail.com">ilya.aleshkov@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid"><div dir="ltr"><div dir="ltr"><div>Hi,</div><div><br></div><div dir="ltr">ksvideosrc generates extremally slow (1 fps!) and dark input for <span style="font:400 13.33px/19.99px Arial,Helvetica,sans-serif;text-align:left;color:rgb(34,34,34);text-transform:none;text-indent:0px;letter-spacing:normal;text-decoration:none;word-spacing:0px;display:inline;white-space:normal;font-size-adjust:none;font-stretch:100%;float:none;background-color:transparent">laptop’s integrated</span> cameras (Microsoft Surface Pro 6). But for external webcams everything works great.</div><div>Any suggestions?</div><div dir="ltr"><br></div><div>Thanks,</div><div>Ilya</div></div></div>
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