user25093: I have two separate video fields (top.avi and bottom.avi) and I would like to merge them to create an interlaced video.
Is it possible to do this with ffmpeg? (or any other tool for Windows or Linux)
ffmpeg log:
Input #0, avi, from 'top.avi':
  Metadata:
    encoder         : Lavf58.20.100
  Duration: 00:03:16.03, start: 0.000000, bitrate: 13509 kb/s
    Stream #0:0: Video: ffv1 (FFV1 / 0x31564646), yuv420p, 640x224, 13506 kb/s, SAR 1:1 DAR 20:7, 29.97 fps, 29.97 tbr, 29.97 tbn, 29.97 tbc

Input #1, avi, from 'bottom.avi':
  Metadata:
    encoder         : Lavf58.20.100
  Duration: 00:03:16.03, start: 0.000000, bitrate: 13507 kb/s
    Stream #0:0: Video: ffv1 (FFV1 / 0x31564646), yuv420p, 640x224, 13503 kb/s, SAR 1:1 DAR 20:7, 29.97 fps, 29.97 tbr, 29.97 tbn, 29.97 tbc


user1871: Use
ffmpeg -i top.avi -i bottom.avi -filter_complex vstack,il=l=i:c=i -c:v ffv1 il.avi
See docs for http://www.ffmpeg.org/ffmpeg-filters.html#vstack and http://www.ffmpeg.org/ffmpeg-filters.html#il

25093: <p>I have two separate video fields (<em>top.avi</em> and <em>bottom.avi</em>) and I would like to merge them to create an interlaced video.</p>

<p>Is it possible to do this with ffmpeg? (or any other tool for Windows or Linux)</p>

<p><strong>ffmpeg log:</strong></p>

<pre><code>Input #0, avi, from 'top.avi':
  Metadata:
    encoder         : Lavf58.20.100
  Duration: 00:03:16.03, start: 0.000000, bitrate: 13509 kb/s
    Stream #0:0: Video: ffv1 (FFV1 / 0x31564646), yuv420p, 640x224, 13506 kb/s, SAR 1:1 DAR 20:7, 29.97 fps, 29.97 tbr, 29.97 tbn, 29.97 tbc

Input #1, avi, from 'bottom.avi':
  Metadata:
    encoder         : Lavf58.20.100
  Duration: 00:03:16.03, start: 0.000000, bitrate: 13507 kb/s
    Stream #0:0: Video: ffv1 (FFV1 / 0x31564646), yuv420p, 640x224, 13503 kb/s, SAR 1:1 DAR 20:7, 29.97 fps, 29.97 tbr, 29.97 tbn, 29.97 tbc
</code></pre>
 1871: <p>Use</p>

<p><code>ffmpeg -i top.avi -i bottom.avi -filter_complex vstack,il=l=i:c=i -c:v ffv1 il.avi</code></p>

<p>See docs for <a href="http://www.ffmpeg.org/ffmpeg-filters.html#vstack" rel="nofollow noreferrer">http://www.ffmpeg.org/ffmpeg-filters.html#vstack</a> and <a href="http://www.ffmpeg.org/ffmpeg-filters.html#il" rel="nofollow noreferrer">http://www.ffmpeg.org/ffmpeg-filters.html#il</a></p>
