https://knowledgebase.pirho.net/index.php?action=history&feed=atom&title=FFmpeg_-_Scale_and_Letterbox 2026-07-11T14:11:30Z Revision history for this page on the wiki MediaWiki 1.43.0 https://knowledgebase.pirho.net/index.php?title=FFmpeg_-_Scale_and_Letterbox&diff=111&oldid=prev 2025-03-06T12:41:17Z

<p>Knowledgebaseadmin moved page <a href="/wiki/FFmpeg_-_Scale_and_Latterbox" class="mw-redirect" title="FFmpeg - Scale and Latterbox">FFmpeg - Scale and Latterbox</a> to <a href="/wiki/FFmpeg_-_Scale_and_Letterbox" title="FFmpeg - Scale and Letterbox">FFmpeg - Scale and Letterbox</a></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en-GB"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 12:41, 6 March 2025</td> </tr><tr><td colspan="4" class="diff-notice" lang="en-GB"><div class="mw-diff-empty">(No difference)</div> </td></tr> <!-- diff cache key mediawiki:diff:1.41:old-110:rev-111 --> </table>

Knowledgebaseadmin https://knowledgebase.pirho.net/index.php?title=FFmpeg_-_Scale_and_Letterbox&diff=110&oldid=prev 2025-03-06T12:40:54Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en-GB"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 12:40, 6 March 2025</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:FFmpeg]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:FFmpeg]]</div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Category:Video Scaling]]</ins></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;pre&gt;</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;pre&gt;</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>ffmpeg -i &lt;input.file&gt; -c:v libx264 -filter:v &quot;scale=(iw*sar)*min(640/(iw*sar)\,480/ih):ih*min(640/(iw*sar)\,480/ih), pad=640:480:(640-iw*min(640/iw\,480/ih))/2:(480-ih*min(640/iw\,480/ih))/2&quot; -f mp4 &lt;output.file&gt;</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>ffmpeg -i &lt;input.file&gt; -c:v libx264 -filter:v &quot;scale=(iw*sar)*min(640/(iw*sar)\,480/ih):ih*min(640/(iw*sar)\,480/ih), pad=640:480:(640-iw*min(640/iw\,480/ih))/2:(480-ih*min(640/iw\,480/ih))/2&quot; -f mp4 &lt;output.file&gt;</div></td></tr> <!-- diff cache key mediawiki:diff:1.41:old-89:rev-110:php=table --> </table>

Knowledgebaseadmin https://knowledgebase.pirho.net/index.php?title=FFmpeg_-_Scale_and_Letterbox&diff=89&oldid=prev 2025-03-06T11:48:05Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en-GB"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:48, 6 March 2025</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Category:FFmpeg]]</ins></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;pre&gt;</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;pre&gt;</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>ffmpeg -i &lt;input.file&gt; -c:v libx264 -filter:v &quot;scale=(iw*sar)*min(640/(iw*sar)\,480/ih):ih*min(640/(iw*sar)\,480/ih), pad=640:480:(640-iw*min(640/iw\,480/ih))/2:(480-ih*min(640/iw\,480/ih))/2&quot; -f mp4 &lt;output.file&gt;</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>ffmpeg -i &lt;input.file&gt; -c:v libx264 -filter:v &quot;scale=(iw*sar)*min(640/(iw*sar)\,480/ih):ih*min(640/(iw*sar)\,480/ih), pad=640:480:(640-iw*min(640/iw\,480/ih))/2:(480-ih*min(640/iw\,480/ih))/2&quot; -f mp4 &lt;output.file&gt;</div></td></tr> <!-- diff cache key mediawiki:diff:1.41:old-69:rev-89:php=table --> </table>

Knowledgebaseadmin https://knowledgebase.pirho.net/index.php?title=FFmpeg_-_Scale_and_Letterbox&diff=69&oldid=prev 2025-03-06T11:31:48Z

<p>Knowledgebaseadmin moved page <a href="/wiki/FFMpeg_-_Scale_and_Latterbox" class="mw-redirect" title="FFMpeg - Scale and Latterbox">FFMpeg - Scale and Latterbox</a> to <a href="/wiki/FFmpeg_-_Scale_and_Latterbox" class="mw-redirect" title="FFmpeg - Scale and Latterbox">FFmpeg - Scale and Latterbox</a></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en-GB"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:31, 6 March 2025</td> </tr><tr><td colspan="4" class="diff-notice" lang="en-GB"><div class="mw-diff-empty">(No difference)</div> </td></tr> <!-- diff cache key mediawiki:diff:1.41:old-49:rev-69 --> </table>

Knowledgebaseadmin https://knowledgebase.pirho.net/index.php?title=FFmpeg_-_Scale_and_Letterbox&diff=49&oldid=prev 2025-03-06T10:51:22Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en-GB"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 10:51, 6 March 2025</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l2">Line 2:</td> <td colspan="2" class="diff-lineno">Line 2:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>ffmpeg -i &lt;input.file&gt; -c:v libx264 -filter:v &quot;scale=(iw*sar)*min(640/(iw*sar)\,480/ih):ih*min(640/(iw*sar)\,480/ih), pad=640:480:(640-iw*min(640/iw\,480/ih))/2:(480-ih*min(640/iw\,480/ih))/2&quot; -f mp4 &lt;output.file&gt;</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>ffmpeg -i &lt;input.file&gt; -c:v libx264 -filter:v &quot;scale=(iw*sar)*min(640/(iw*sar)\,480/ih):ih*min(640/(iw*sar)\,480/ih), pad=640:480:(640-iw*min(640/iw\,480/ih))/2:(480-ih*min(640/iw\,480/ih))/2&quot; -f mp4 &lt;output.file&gt;</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;/pre&gt;</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;/pre&gt;</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Reference: [[FFMPEG - Encoding Optimal Videos for Streaming#Change_Resolution_and_add_Letterbox]]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Reference: [[FFMPEG - Encoding Optimal Videos for Streaming#Change_Resolution_and_add_Letterbox<ins style="font-weight: bold; text-decoration: none;">]]&lt;br/&gt;</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">Reference: [[https://stackoverflow.com/questions/61703587/proper-way-to-letterbox-with-ffmpeg stackoverflow: Proper way to letterbox with ffmpeg</ins>]]</div></td></tr> <!-- diff cache key mediawiki:diff:1.41:old-48:rev-49:php=table --> </table>

Knowledgebaseadmin https://knowledgebase.pirho.net/index.php?title=FFmpeg_-_Scale_and_Letterbox&diff=48&oldid=prev 2025-03-06T10:48:59Z

<p>Created page with &quot;&lt;pre&gt; ffmpeg -i &lt;input.file&gt; -c:v libx264 -filter:v &quot;scale=(iw*sar)*min(640/(iw*sar)\,480/ih):ih*min(640/(iw*sar)\,480/ih), pad=640:480:(640-iw*min(640/iw\,480/ih))/2:(480-ih*min(640/iw\,480/ih))/2&quot; -f mp4 &lt;output.file&gt; &lt;/pre&gt; Reference: <a href="/wiki/FFMPEG_-_Encoding_Optimal_Videos_for_Streaming#Change_Resolution_and_add_Letterbox" class="mw-redirect" title="FFMPEG - Encoding Optimal Videos for Streaming">FFMPEG - Encoding Optimal Videos for Streaming#Change_Resolution_and_add_Letterbox</a>&quot;</p> <p><b>New page</b></p><div>&lt;pre&gt;<br /> ffmpeg -i &lt;input.file&gt; -c:v libx264 -filter:v &quot;scale=(iw*sar)*min(640/(iw*sar)\,480/ih):ih*min(640/(iw*sar)\,480/ih), pad=640:480:(640-iw*min(640/iw\,480/ih))/2:(480-ih*min(640/iw\,480/ih))/2&quot; -f mp4 &lt;output.file&gt;<br /> &lt;/pre&gt;<br /> Reference: [[FFMPEG - Encoding Optimal Videos for Streaming#Change_Resolution_and_add_Letterbox]]</div>

Knowledgebaseadmin