<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <meta name="Generator" content="Microsoft Word 14 (filtered medium)"> <style></style> </head> <body lang="ZH-CN" link="blue" vlink="purple" style="text-justify-trim:punctuation"> <div class="WordSection1"> <o:p> </o:p> Dear Sir:<o:p></o:p>          I use a YUV camera to show streaming by RTSP protocol. The command like this: <o:p></o:p> <o:p> </o:p> gst-launch -v gstrtpbin name=rtpbin v4l2src device=/dev/video0 queue-size=16 !<o:p></o:p> video/x-raw-yuv,width=352,height=288 ! queue ! rtpvrawpay ! rtpbin.send_rtp_sink<o:p></o:p> _0 rtpbin.send_rtp_src_0 ! queue ! udpsink host=10.130.11.4 port=5000 ts-offset=<o:p></o:p> 0 rtpbin.send_rtcp_src_0 ! udpsink host=10.130.11.4 port=5001 sync=false async=f<o:p></o:p> alse udpsrc port=5005 ! rtpbin.recv_rtcp_sink_0<o:p></o:p> <o:p> </o:p> <o:p> </o:p> but it show <o:p> </o:p> <o:p> </o:p> ERROR: Pipeline doesn't want to pause.<o:p></o:p> ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Could not negotiate format<o:p></o:p> Additional debug info:<o:p></o:p> gstbasesrc.c(2790): gst_base_src_start (): /GstPipeline:pipeline0/GstV4l2Src:v4l2src0:<o:p></o:p> Check your filtered caps, if any<o:p></o:p> Setting pipeline to NULL ...<o:p></o:p> Freeing pipeline ...<o:p></o:p> <o:p> </o:p> <o:p> </o:p> The following is the information when install uvc module<o:p></o:p> <o:p> </o:p> uvc_parse_standard_control - 0<o:p></o:p> uvc_parse_format - 0x4<o:p></o:p> - 640x480 (30.0 fps)<o:p></o:p> - 160x120 (30.0 fps)<o:p></o:p> - 176x144 (30.0 fps)<o:p></o:p> - 320x176 (30.0 fps)<o:p></o:p> - 320x240 (30.0 fps)<o:p></o:p> - 352x288 (30.0 fps)<o:p></o:p> - 432x240 (30.0 fps)<o:p></o:p> - 544x288 (30.0 fps)<o:p></o:p> - 640x360 (30.0 fps)<o:p></o:p> - 752x416 (25.0 fps)<o:p></o:p> - 800x448 (25.0 fps)<o:p></o:p> - 800x600 (20.0 fps)<o:p></o:p> - 864x480 (20.0 fps)<o:p></o:p> - 960x544 (15.0 fps)<o:p></o:p> - 960x720 (10.0 fps)<o:p></o:p> - 1024x576 (10.0 fps)<o:p></o:p> - 1184x656 (10.0 fps)<o:p></o:p> - 1280x720 (10.0 fps)<o:p></o:p> - 1280x960 (5.0 fps)<o:p></o:p> uvc_parse_format - 0x6<o:p></o:p> - 640x480 (30.0 fps)<o:p></o:p> - 160x120 (30.0 fps)<o:p></o:p> - 176x144 (30.0 fps)<o:p></o:p> - 320x176 (30.0 fps)<o:p></o:p> - 320x240 (30.0 fps)<o:p></o:p> - 352x288 (30.0 fps)<o:p></o:p> - 432x240 (30.0 fps)<o:p></o:p> - 544x288 (30.0 fps)<o:p></o:p> - 640x360 (30.0 fps)<o:p></o:p> - 752x416 (30.0 fps)<o:p></o:p> - 800x448 (30.0 fps)<o:p></o:p> - 800x600 (30.0 fps)<o:p></o:p> - 864x480 (30.0 fps)<o:p></o:p> - 960x544 (30.0 fps)<o:p></o:p> - 960x720 (30.0 fps)<o:p></o:p> - 1024x576 (30.0 fps)<o:p></o:p> - 1184x656 (30.0 fps)<o:p></o:p> - 1280x720 (30.0 fps)<o:p></o:p> - 1280x960 (30.0 fps)<o:p></o:p> uvcvideo: Found UVC 1.00 device <unnamed> (046d:0825)<o:p></o:p> video init<o:p></o:p> ctrl->wKeyFrameRate=61356,ctrl->wPFrameRate=34256<o:p></o:p> ctrl->bFrameIndex =19,ctrl->wDelay=0<o:p></o:p> ctrl->bFormatIndex=1, ctrl->dwMaxVideoFrameSize=2457600<o:p></o:p> ctrl->wKeyFrameRate=61356,ctrl->wPFrameRate=34256<o:p></o:p> ctrl->bFrameIndex =19,ctrl->wDelay=0<o:p></o:p> ctrl->bFormatIndex=1, ctrl->dwMaxVideoFrameSize=2457600<o:p></o:p> input: UVC Camera (046d:0825) as /class/input/input2<o:p></o:p> usbcore: registered new interface driver uvcvideo<o:p></o:p> USB Video Class driver (v0.1.0_SONiX_v2.6.32.02)<o:p></o:p> <o:p> </o:p> <o:p> </o:p> What’s the reason “Could not negotiate format” ?<o:p></o:p> <o:p> </o:p> thanks!<o:p></o:p> <o:p> </o:p> <o:p> </o:p> Best Regards<o:p></o:p> 于春玲<o:p></o:p> Shirley<o:p></o:p> Phone 62365999 - 1773<o:p></o:p> <o:p> </o:p> =========================================================================================== The privileged confidential information contained in this email is intended for use only by the addressees as indicated by the original sender of this email. If you are not the addressee indicated in this email or are not responsible for delivery of the email to such a person, please kindly reply to the sender indicating this fact and delete all copies of it from your computer and network server immediately. Your cooperation is highly appreciated. It is advised that any unauthorized use of confidential information of Nuvoton is strictly prohibited; and any information in this email irrelevant to the official business of Nuvoton shall be deemed as neither given nor endorsed by Nuvoton.<o:p></o:p> </div> =========================================================================================== The privileged confidential information contained in this email is intended for use only by the addressees as indicated by the original sender of this email. If you are not the addressee indicated in this email or are not responsible for delivery of the email to such a person, please kindly reply to the sender indicating this fact and delete all copies of it from your computer and network server immediately. Your cooperation is highly appreciated. It is advised that any unauthorized use of confidential information of Nuvoton is strictly prohibited; and any information in this email irrelevant to the official business of Nuvoton shall be deemed as neither given nor endorsed by Nuvoton. </body> </html>