This commit is contained in:
Reto Kromer 2020-07-22 07:08:34 +02:00 committed by GitHub
parent 87581c717c
commit 638bb951dd
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23

View File

@ -628,10 +628,10 @@
<dt>-c:a copy</dt><dd>re-encodes using the same audio codec<br> <dt>-c:a copy</dt><dd>re-encodes using the same audio codec<br>
For silent videos you can replace <code>-c:a copy</code> with <code>-an</code>.</dd> For silent videos you can replace <code>-c:a copy</code> with <code>-an</code>.</dd>
<dt><em>output_file</em></dt><dd>path, name and extension of the output file</dd> <dt><em>output_file</em></dt><dd>path, name and extension of the output file</dd>
</dl>
<p>If your source is interlaced, you will want to deinterlace prior to scaling. In that case, your command would look like this:</p> <p>If your source is interlaced, you will want to deinterlace prior to scaling. In that case, your command would look like this:</p>
<p><code>ffmpeg -i <em>input_file</em> -c:v libx264 -filter:v "yadif, colormatrix=bt601:bt709, scale=1440:1080:flags=lanczos, pad=1920:1080:240:0" -c:a copy <em>output_file</em></code></p> <p><code>ffmpeg -i <em>input_file</em> -c:v libx264 -filter:v "yadif, colormatrix=bt601:bt709, scale=1440:1080:flags=lanczos, pad=1920:1080:240:0" -c:a copy <em>output_file</em></code></p>
<p>See the <a href="#ntsc_to_h264">Interlaced NTSC to MP4 recipe</a> for a fuller explanation of the deinterlacing step.</p> <p>See the <a href="#ntsc_to_h264">Interlaced NTSC to MP4 recipe</a> for a fuller explanation of the deinterlacing step.</p>
</dl>
<p class="link"></p> <p class="link"></p>
</div> </div>
<!-- ends SD to HD --> <!-- ends SD to HD -->