https://itoschum.me/tags/multimedia/ Recent content in Multimedia on Ito Archives Hugo en-us Sat, 16 Oct 2021 15:32:00 -0400 https://itoschum.me/steamingtime/essay_02/ Sat, 16 Oct 2021 15:32:00 -0400 https://itoschum.me/steamingtime/essay_02/ <p><img src="https://itoschum.me/images/STEAMingTime/STEAMingTime_logo2.jpg" alt=""></p> <p>Since last essay, we have known the basic concepts of media files. Then we need to solve some real-world problems by using the command-line tool <code>ffmpeg</code>.</p> <h2 id="overview">Overview</h2> <p>Before we gets our hands on the actual commands, let us review the procedure of FFmpeg processing media files:</p> <pre tabindex="0"><code> _______ ______________ | | | | | input | demuxer | encoded data | decoder | file | ---------&gt; | packets | -----+ |_______| |______________| | v _________ | | | decoded | | frames | |_________| ________ ______________ | | | | | | | output | &lt;-------- | encoded data | &lt;----+ | file | muxer | packets | encoder |________| |______________| </code></pre><blockquote> <p>Refer to <a href="https://ffmpeg.org/ffmpeg.html">FFmpeg - Documentation</a></p> https://itoschum.me/steamingtime/essay_01/ Sat, 02 Oct 2021 02:00:00 -0400 https://itoschum.me/steamingtime/essay_01/ <p><img src="https://itoschum.me/images/STEAMingTime/STEAMingTime_logo2.jpg" alt=""></p> <p>Did you once meet the situation that you wanted to upload some videos you just edited to some website, but told the format is not supported? Or you once wanted to play some video you just downloaded, but told the format is not supported by the video player? Then we may need the help of FFmpeg to solve that issue.</p>