<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; ">if it is only 1 ntsc pixels line at the top that appears with black and white noise, it might be the overscanning features...<DIV><BR class="khtml-block-placeholder"></DIV><DIV>catv channels have a standard "crop" feature that is called overscan... but since it's officially the tv (or settop)'s job</DIV><DIV>to perform the overscan, commercial encoders encode the full image.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>if this is the case, </DIV><DIV>either :</DIV><DIV>on the optibase config where you might be able to enable an overscan option which will crop the image at encoding time</DIV><DIV>or </DIV><DIV>in vlc, set a crop filter in the output chain and cut off couple of pixels on each side and you should be fine.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>-martin<DIV><BR class="khtml-block-placeholder"></DIV><DIV><BR><DIV><DIV>On 23-Jan-07, at 1:36 PM, Daniel Wells wrote:</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite"><SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><DIV class="Section1"><P class="MsoNormal"><SPAN class="Apple-style-span" style="font-family: Calibri; font-size: 14.6667px; ">We are in the process of replacing our cable TV infrastructure here on campus to an IP TV infrastructure. We have implemented hardware from optibase to convert our TV feeds to h.264 transport streams. We plan on using VLC and an option for viewing the feeds.</SPAN><O:P style="font-family: Calibri; font-size: 14.6667px; "></O:P></P><P class="MsoNormal"><O:P style="font-family: Calibri; font-size: 14.6667px; "><SPAN class="Apple-style-span" style="font-family: Calibri; font-size: 14.6667px; "> </SPAN></O:P></P><P class="MsoNormal"><SPAN class="Apple-style-span" style="font-family: Calibri; font-size: 14.6667px; ">However when using VLC we get a bit of garbage at the top of the video feed. It would seem that this garbage is caused by the closed captioning data that is embedded into the feed. It seems that VLC does not yet handle these CC streams (based on what I have read). Is there any way, using vlc, to at least filter that out so we can present a clean video using vlc?</SPAN><O:P style="font-family: Calibri; font-size: 14.6667px; "></O:P></P><P class="MsoNormal"><O:P style="font-family: Calibri; font-size: 14.6667px; "><SPAN class="Apple-style-span" style="font-family: Calibri; font-size: 14.6667px; "> </SPAN></O:P></P><P class="MsoNormal"><SPAN style="font-size:10.0pt;font-family:" arial","sans-serif";="" font-family:="" arial;="" font-size:="" 13.3333px;=""><SPAN class="Apple-style-span" style="font-family: Arial; font-size: 13.3333px; ">Sincerely,</SPAN><O:P style="font-family: Arial; font-size: 13.3333px; "></O:P></SPAN></P><P class="MsoNormal"><SPAN style="font-size:10.0pt;font-family:" arial","sans-serif";="" font-family:="" arial;="" font-size:="" 13.3333px;=""><O:P style="font-family: Arial; font-size: 13.3333px; "><SPAN class="Apple-style-span" style="font-family: Arial; font-size: 13.3333px; "> </SPAN></O:P></SPAN></P><P class="MsoNormal"><SPAN style="font-size:10.0pt;font-family:" arial","sans-serif";="" font-family:="" arial;="" font-size:="" 13.3333px;=""><O:P style="font-family: Arial; font-size: 13.3333px; "><SPAN class="Apple-style-span" style="font-family: Arial; font-size: 13.3333px; "> </SPAN></O:P></SPAN></P><P class="MsoNormal"><B style="font-family: Calibri; font-size: 14.6667px; font-weight: bold; "><SPAN style="font-size:10.0pt;font-family:" arial","sans-serif";="" color:blue;="" color:="" rgb(0,="" 0,="" 255);="" font-family:="" arial;="" font-size:="" 13.3333px;="" font-weight:="" bold;=""><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-family: Arial; font-size: 13.3333px; font-weight: bold; ">Daniel Wells</SPAN></SPAN></B><SPAN style="font-size:10.0pt;font-family: " arial","sans-serif";color:blue;="" color:="" rgb(0,="" 0,="" 255);="" font-family:="" arial;="" font-size:="" 13.3333px;=""><O:P style="color: rgb(0, 0, 255); font-family: Arial; font-size: 13.3333px; "></O:P></SPAN></P></DIV><BR class="Apple-interchange-newline"></SPAN></BLOCKQUOTE></DIV><BR></DIV></DIV></BODY></HTML>