<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Oct 15, 2020, at 2:15 AM, Training Final Cut Pro X via Matroska-users <<a href="mailto:matroska-users@lists.matroska.org" class="">matroska-users@lists.matroska.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta http-equiv="Content-Type" content="text/html; charset=us-ascii" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hello,<div class=""><br class=""></div><div class="">Is there any chance you know of an app for Mac that will extract separate streams from an Mkv file and allow them to be saved individually.</div><div class=""><br class=""></div><div class=""><span style="caret-color: rgb(5, 5, 5); color: rgb(5, 5, 5); font-family: system-ui, -apple-system, BlinkMacSystemFont, ".SFNSText-Regular", sans-serif; font-size: 15px; white-space: pre-wrap; background-color: rgb(255, 255, 255);" class="">I am trying to convert an mkv file that has 2 x video (A&B) and 2 x audio streams (C&D). I am trying to convert to 2 x streams (A&C) and (B&D)</span></div></div></div></blockquote><div><br class=""></div><div>ffmpeg does this well.</div><div>ffmpeg -i FILE.mkv -map 0:v:0 -map 0:a:0 OUTPUT_ac.mkv</div><div>ffmpeg -i FILE.mkv -map 0:v:1 -map 0:a:1 OUTPUT_bd.mkv</div><div>Dave</div><br class=""><blockquote type="cite" class=""><div class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class=""><span style="background-color: rgb(255, 255, 255);" class=""><font color="#050505" face="system-ui, -apple-system, BlinkMacSystemFont, .SFNSText-Regular, sans-serif" class=""><span style="caret-color: rgb(5, 5, 5); font-size: 15px; white-space: pre-wrap;" class="">Thanks for your help in advance.</span></font></span></div><div class=""><span style="background-color: rgb(255, 255, 255);" class=""><font color="#050505" face="system-ui, -apple-system, BlinkMacSystemFont, .SFNSText-Regular, sans-serif" class=""><span style="caret-color: rgb(5, 5, 5); font-size: 15px; white-space: pre-wrap;" class=""><br class=""></span></font></span></div><div class=""><span style="background-color: rgb(255, 255, 255);" class=""><font color="#050505" face="system-ui, -apple-system, BlinkMacSystemFont, .SFNSText-Regular, sans-serif" class=""><span style="caret-color: rgb(5, 5, 5); font-size: 15px; white-space: pre-wrap;" class=""><br class=""></span></font></span></div><br class=""><br class=""><div class="">
<div apple-content-edited="true" style="font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; caret-color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; line-height: normal;" class=""><span class="Apple-style-span" style="border-spacing: 0px; border-collapse: separate;"><span class="Apple-style-span" style="border-collapse: separate; text-align: -webkit-auto; border-spacing: 0px;"><span class="Apple-style-span" style="border-collapse: separate; text-align: -webkit-auto; border-spacing: 0px;"><div apple-content-edited="true" class=""><div class=""><br class="Apple-interchange-newline">Best regards</div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">Bruce</div><div class=""><br class=""></div><span class="Apple-style-span" style="font-family: Helvetica;"><span class="Apple-style-span" style="border-collapse: separate; text-align: -webkit-auto; border-spacing: 0px;"><span class="Apple-style-span" style="border-collapse: separate; text-align: -webkit-auto; border-spacing: 0px;"><span class="Apple-style-span" style="border-collapse: separate; text-align: -webkit-auto; border-spacing: 0px;"><span class="Apple-style-span" style="border-collapse: separate; text-align: -webkit-auto; border-spacing: 0px;"><span class="Apple-style-span" style="font-size: 14px;"><b class=""><font size="6" class=""><font face="Baskerville Old Face" class=""><span style="font-size: 16pt;" class=""><b class=""><i class=""><br class="Apple-interchange-newline">Bruce Macbryde </i></b></span></font></font></b></span></span></span></span></span></span><font face="Baskerville Old Face" class=""><span style="font-size: 8px;" class="">MMA AAMI</span></font></div></span><font face="Calibri,Verdana,Helvetica,Arial" class=""><div apple-content-edited="true" class=""><span class="Apple-style-span" style="text-align: -webkit-auto; border-spacing: 0px; border-collapse: separate;"><span class="Apple-style-span" style="border-collapse: separate; text-align: -webkit-auto; border-spacing: 0px;"><b style="font-family: Helvetica; font-size: 14px;" class=""><b class=""><i class=""><font size="4" class=""><font face="Calibri,Verdana,Helvetica,Arial" class=""><span style="font-size: 11pt;" class="">Tutor</span></font></font></i></b></b></span></span></div><div apple-content-edited="true" class=""><span class="Apple-style-span" style="text-align: -webkit-auto; border-spacing: 0px; border-collapse: separate;"><span class="Apple-style-span" style="border-collapse: separate; text-align: -webkit-auto; border-spacing: 0px;"><b style="font-family: Helvetica; font-size: 14px;" class=""><b class=""><i class=""><font size="4" class=""><font face="Calibri,Verdana,Helvetica,Arial" class=""><span style="font-size: 11pt;" class=""><br class=""></span></font></font></i></b></b></span></span></div></font><div apple-content-edited="true" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; line-height: normal;" class=""><span class="Apple-style-span" style="border-spacing: 0px; border-collapse: separate;"><span class="Apple-style-span" style="border-collapse: separate; text-align: -webkit-auto; border-spacing: 0px;"><div apple-content-edited="true" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; line-height: normal;" class=""><span class="Apple-style-span" style="border-spacing: 0px; border-collapse: separate;"><span class="Apple-style-span" style="border-collapse: separate; text-align: -webkit-auto; border-spacing: 0px;"><b class=""><font face="Calibri,Verdana,Helvetica,Arial" class="">Mobile: +61 414 734 388<br class="">Email:</font></b></span></span><font face="Calibri, Verdana, Helvetica, Arial" class=""><b class=""><span style="text-align: -webkit-auto;" class=""> </span><span style="text-align: -webkit-auto;" class="">t</span><span style="text-align: -webkit-auto;" class=""><a href="mailto:rainingfinalcut@gmail.com" class="">rainingfinalcut@gmail.com</a></span></b></font></div><div apple-content-edited="true" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; line-height: normal;" class=""><span class="Apple-style-span" style="border-spacing: 0px; border-collapse: separate;"><span class="Apple-style-span" style="border-collapse: separate; text-align: -webkit-auto; border-spacing: 0px;"><b style="font-family: Helvetica;" class=""><font face="Calibri,Verdana,Helvetica,Arial" class="">SKYPE: <font color="#0d6ddb" class="">brucemacbryde</font></font></b></span></span></div><div apple-content-edited="true" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; line-height: normal;" class=""><span class="Apple-style-span" style="border-spacing: 0px; border-collapse: separate;"><span class="Apple-style-span" style="border-collapse: separate; text-align: -webkit-auto; border-spacing: 0px;"><b class=""><font face="Calibri-Bold" class="">Instagram:</font><span style="font-weight: normal;" class=""> </span></b><b class=""><font color="#0d6ddb" class=""><font face="Calibri-Bold" class="">brucemacbryde</font></font></b><b class=""><font color="#0d6ddb" class=""><br class=""></font></b><font face="Calibri-Bold" class=""><b class="">Web:</b></font> <font color="#0d6ddb" face="Calibri-Bold" class=""><u class=""><b class=""><a href="http://videoeditoz.wordpress.com/" class="">www.</a><a href="http://trainingfinalcut.com/" class="">trainingfinalcut.com</a></b></u></font><br class=""></span></span><span class="Apple-style-span" style="border-spacing: 0px; border-collapse: separate;"><span class="Apple-style-span" style="border-collapse: separate; text-align: -webkit-auto; border-spacing: 0px;"><div apple-content-edited="true" style="border-collapse: separate; border-spacing: 0px;" class=""><font face="Calibri-Bold" class=""><b class="">Facebook:</b></font><font style="font-family: Helvetica;" class=""> </font><font color="#0068da" face="Calibri-Bold" class=""><u class=""><b class=""><a href="http://www.facebook.com/trainingfinalcut/" class=""><span style="text-align: -webkit-auto;" class="">http://www.facebook.com/trainingfi</span><span style="text-align: -webkit-auto;" class="">n</span><span style="text-align: -webkit-auto;" class="">alcut/</span></a></b></u></font></div><div apple-content-edited="true" style="border-collapse: separate; border-spacing: 0px;" class=""><b class="" style="font-family: Helvetica; orphans: 2; widows: 2;">YouTube: </b><span class="" style="orphans: 2; text-align: -webkit-auto; widows: 2; font-family: "Helvetica Neue"; font-size: 12px;"><a href="http://www.youtube.com/VideoEditOz" class="">www.youtube.com/VideoEditOz</a></span></div><div apple-content-edited="true" style="border-collapse: separate; border-spacing: 0px;" class=""><font color="#0068da" face="Calibri-Bold" class=""><u class=""><b class=""><span style="text-align: -webkit-auto;" class=""><br class=""></span></b></u></font></div></span></span></div></span></span><span class="Apple-style-span" style="border-spacing: 0px; border-collapse: separate;"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; orphans: 2; text-align: -webkit-auto; widows: 2; border-spacing: 0px;"><div apple-content-edited="true" style="border-collapse: separate; border-spacing: 0px;" class=""><b style="font-family: Calibri; font-size: 15px;" class=""><i class="">ABN 45 792 880 899</i></b></div></span></span></div></span></span></div><br class="Apple-interchange-newline" style="font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; caret-color: rgb(0, 0, 0);"><span style="font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; caret-color: rgb(0, 0, 0);" class=""></span><span style="font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; caret-color: rgb(0, 0, 0);" class=""></span><span style="font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; caret-color: rgb(0, 0, 0);" class=""></span><span style="font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; caret-color: rgb(0, 0, 0);" class=""></span><span style="font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; caret-color: rgb(0, 0, 0);" class=""></span><span style="font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; caret-color: rgb(0, 0, 0);" class=""></span><span style="font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; caret-color: rgb(0, 0, 0);" class=""></span><span style="caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""></span><span class=""><span id="cid:5EA1F3DB-4956-45F0-A564-81F4D8E77596@modem"><PastedGraphic-8.tiff></span></span><div style="font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; caret-color: rgb(0, 0, 0);" class=""><b style="font-family: Helvetica; orphans: 2; widows: 2;" class=""><font face="Calibri,Verdana,Helvetica,Arial" class=""><br class="Apple-interchange-newline"><br class="Apple-interchange-newline">Tutor: Final Cut Pro X, iMovie, Apple Motion, Apple Compressor </font></b></div><div style="font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; caret-color: rgb(0, 0, 0);" class=""><b style="font-family: Helvetica; orphans: 2; widows: 2;" class=""><font face="Calibri,Verdana,Helvetica,Arial" class="">Video Production </font></b><b style="font-family: Helvetica; orphans: 2; widows: 2;" class=""><font face="Calibri,Verdana,Helvetica,Arial" class=""> </font></b><b style="font-family: Helvetica; orphans: 2; widows: 2;" class=""><font face="Calibri,Verdana,Helvetica,Arial" class="">Corporate, Events, </font></b><b style="font-family: Helvetica;" class=""><font face="Calibri,Verdana,Helvetica,Arial" class="">Web site videos. Blogs, Family events</font></b></div><div style="font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; caret-color: rgb(0, 0, 0);" class=""><b style="font-family: Helvetica;" class=""><font face="Calibri,Verdana,Helvetica,Arial" class=""><br class=""></font></b></div><div style="font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; caret-color: rgb(0, 0, 0);" class=""><br class=""></div><div style="caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br class=""></div><span class="Apple-style-span" style="caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; border-collapse: separate; border-spacing: 0px;"><div apple-content-edited="true" class=""><span class="Apple-style-span" style="text-align: -webkit-auto; border-spacing: 0px; border-collapse: separate;"><span class="Apple-style-span" style="border-collapse: separate; text-align: -webkit-auto; border-spacing: 0px;"><span class="Apple-style-span" style="font-family: Helvetica; font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; 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