Add frame rate to FFmpeg command

diff --git a/index.html b/index.html
index f68fa47121b034849a63632e24e86ccf4ce6514d..f96180fe6fa2ea43da1ab4046ec931f354361040 100644 (file)
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@@ -58,6 +58,10 @@
                                list-style-position: inside;
                        }
 
                                list-style-position: inside;
                        }
 

+                       time {
+                               font-style: italic;
+                       }
+

                        a {
                                color: inherit;
                        }
                        a {
                                color: inherit;
                        }


@@ -87,14 +91,15 @@
                <section id="log">
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                <section id="log">
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-                                       <time>17 September 2025</time>
+                                       <p><time datetime="2025-09-17">17 September 2025</time> (updated <time datetime="2025-09-18">18 September 2025</time>)</p>

                                        <h3>Speed up video in FFmpeg</h3>
                                </header>
 
                                        <h3>Speed up video in FFmpeg</h3>
                                </header>
 

-                               <pre><code>ffmpeg -i input.mkv -vf "setpts=PTS/60" -an output.mp4</code></pre>
+                               <pre><code>ffmpeg -i input.mkv -r 60 -vf "setpts=PTS/60" -an output.mp4</code></pre>

 
                                <ul>
                                        <li><code>-i input.mkv</code> input file</li>
 
                                <ul>
                                        <li><code>-i input.mkv</code> input file</li>

+                                       <li><code>-r 60</code> frame rate</li>

                                        <li><code>-vf "setpts=PTS/60"</code> video filter, set <a href="https://en.wikipedia.org/wiki/Presentation_timestamp" target="_blank">presentation timespamp</a></li>
                                        <li><code>-an</code> no audio (unless you speed up audio too, the output's length will stay the same)</li>
                                        <li><code>output.mp4</code> output file and format</li>
                                        <li><code>-vf "setpts=PTS/60"</code> video filter, set <a href="https://en.wikipedia.org/wiki/Presentation_timestamp" target="_blank">presentation timespamp</a></li>
                                        <li><code>-an</code> no audio (unless you speed up audio too, the output's length will stay the same)</li>
                                        <li><code>output.mp4</code> output file and format</li>