<p>Problem was in the source file (second input) that did not respect the correct scales and pads. I solved thanks to this answer <a href="https://superuser.com/a/991412">https://superuser.com/a/991412</a>. Credits to @LordNeckbeard</p>

CC BY-SA 4.0
2018-12-03T09:52:47.580Z
2018-12-03T09:52:47.580Z
Sauron
<p>I have two video that I'm working through filter_complex.</p>

<p>First video is 1280x720 [SAR 1:1 DAR 16:9] and the second video is 1280x720 [SAR 203:640 DAR 203:360]</p>

<p>I would like to merge the files with filter_complex keeping original sar and dar both each on final output. Please notice I'm using inputs dynamically, so I need a command that keeps sar and dar regardless of the source files.</p>

<p>I tried using the command</p>

<blockquote>
  <p>setsar=1,setdar=1</p>
</blockquote>

<p>But nothing, second video not preserve original aspect (1280x720 [SAR 203:640 DAR 203:360]) and the output is like first video (1280x720 [SAR 1:1 DAR 16:9]). I would like to keep the original parameters also on second video that seems to become SAR 1:1 DAR 16:9.</p>

CC BY-SA 4.0
2018-11-29T06:06:48.300Z
What's the codec?
Gyan
CC BY-SA 4.0
2018-11-29T09:26:42.537Z
@Gyan both h264 (High) yuv420p at 25 fps
Sauron
<ffmpeg><aspect>
FFmpeg keep different sar and dar in multiple videos
Sauron
# FFmpeg keep different sar and dar in multiple videos

(Asked by: username_0 on 2018-11-28)

I have two video that I'm working through filter\_complex.

First video is 1280x720 [SAR 1:1 DAR 16:9] and the second video is 1280x720 [SAR 203:640 DAR 203:360]

I would like to merge the files with filter\_complex keeping original sar and dar both each on final output. Please notice I'm using inputs dynamically, so I need a command that keeps sar and dar regardless of the source files.

I tried using the command

> setsar=1,setdar=1

But nothing, second video not preserve original aspect (1280x720 [SAR 203:640 DAR 203:360]) and the output is like first video (1280x720 [SAR 1:1 DAR 16:9]). I would like to keep the original parameters also on second video that seems to become SAR 1:1 DAR 16:9.

**Tags:** ffmpeg, aspect

> **Comments:**
> **username_1**: What's the codec?  
> **username_0**: @username_1 both h264 (High) yuv420p at 25 fps  

---

## 1 answers

### Answer by username_0 on 2018-12-03. Score: 0

Problem was in the source file (second input) that did not respect the correct scales and pads. I solved thanks to this answer <https://superuser.com/a/991412>. Credits to @LordNeckbeard


---

