<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=us-ascii"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-IN link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have pipeline as mentioned below<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal> /*Local video stream chaine*/<o:p></o:p></p><p class=MsoNormal> gst_bin_add_many( GST_BIN( video_pipeline_tx ), source, capsfilter, ffmpegcsd, ffcapsfiler, videoflip, videosink, NULL);<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal> /*Link the differents elements*/<o:p></o:p></p><p class=MsoNormal> ret = gst_element_link_many( source, capsfilter, ffmpegcsd, ffcapsfiler, videoflip, videosink, NULL);<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal> GstPad* data_pad = gst_element_get_static_pad (videoflip, "src");<o:p></o:p></p><p class=MsoNormal> gst_pad_add_buffer_probe (data_pad, G_CALLBACK (gst_frame_data), this);<o:p></o:p></p><p class=MsoNormal> gst_object_unref (data_pad);<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>where source is <b>“v4l2src” /dev/video0<o:p></o:p></b></p><p class=MsoNormal><b><o:p> </o:p></b></p><p class=MsoNormal>in normal pipeline PLAY state my application is opening two fd instants of /dev/video0 (checked by ls -l /proc/pid/fd)<o:p></o:p></p><p class=MsoNormal>and after pipeline PAUSE state it close these two fds.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I want these two fds from code.<o:p></o:p></p><p class=MsoNormal>I have successfully get first fd by using <o:p></o:p></p><p class=MsoNormal><b>g_object_get(source, "device-fd", &my_fd, NULL);<o:p></o:p></b></p><p class=MsoNormal><b><o:p> </o:p></b></p><p class=MsoNormal>now i am unable to get 2<sup>nd</sup> fd, Can you please tell me why this 2<sup>nd</sup> FD is open? Also i need its File descriptor.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks in advance, Please help<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Regards,<o:p></o:p></p><p class=MsoNormal>Keyur Patel<o:p></o:p></p></div>
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