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Update demo video guide

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Deniz Şafak
2025-08-25 02:04:55 +03:00
parent 3171066f0c
commit 7fa8b23c4e
6 changed files with 133 additions and 131 deletions
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demo/README.md
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@@ -23,20 +23,22 @@ brew install ffmpeg
sudo apt install ffmpeg
```
## Create the Video (.webm)
## Create the Video (.mp4) (Recommended)
Run this FFmpeg command to create the tiny video:
Run this FFmpeg command to create the video:
```
ffmpeg -loop 1 -framerate 24 -i bg.jpg -i audio.wav -vf "ass=subtitle.ass" -c:v libvpx-vp9 -b:v 0 -crf 30 -c:a libopus -shortest demo.webm
ffmpeg -loop 1 -framerate 24 -i bg.jpg -i demo.wav -vf "ass=demo.ass" -c:v libx264 -pix_fmt yuv420p -preset slow -crf 18 -c:a aac -b:a 192k -movflags +faststart -shortest demo.mp4
```
## For Higher Quality (But Larger) Video (.mp4)
## For Smaller Filesize (.webm)
If you need better quality for distribution, use this command instead:
If you need a smaller video file, use this command:
```
ffmpeg -loop 1 -framerate 24 -i bg.jpg -i audio.wav -vf "ass=subtitle.ass" -c:v libx264 -preset slow -crf 18 -movflags +faststart -c:a copy -shortest demo.mp4
ffmpeg -loop 1 -framerate 24 -i bg.jpg -i demo.wav -vf "ass=demo.ass" -c:v libvpx-vp9 -b:v 0 -crf 30 -c:a libopus -shortest demo.webm
```
This creates an MP4 file that's compatible with more devices but larger in size.