movmaker/README.md

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# movmaker
Simple Python + ffmpeg movie maker.
Drop pictures, videos, music, and optionally one simple `data.txt` file into a single flat input directory. Then run one command to create an MP4 video.
No YAML. No required subdirectories.
## Requirements
- Python 3
- `ffmpeg`
- `ffprobe` usually included with ffmpeg
Install on Debian/Ubuntu/Raspberry Pi OS:
```bash
sudo apt install ffmpeg
```
## Fonts
The default title/stamp styling uses these fonts:
- Bebas Neue for the opening title, date, and location
- Montserrat for the bottom-left and bottom-right stamps
Install them locally for the current user:
```bash
mkdir -p ~/.local/share/fonts/google
curl -L -o ~/.local/share/fonts/google/BebasNeue-Regular.ttf \
'https://github.com/google/fonts/raw/main/ofl/bebasneue/BebasNeue-Regular.ttf'
curl -L -o ~/.local/share/fonts/google/Montserrat%5Bwght%5D.ttf \
'https://github.com/google/fonts/raw/main/ofl/montserrat/Montserrat%5Bwght%5D.ttf'
fc-cache -f ~/.local/share/fonts/google
```
Optional font also used during experimentation:
```bash
curl -L -o ~/.local/share/fonts/google/Cinzel%5Bwght%5D.ttf \
'https://github.com/google/fonts/raw/main/ofl/cinzel/Cinzel%5Bwght%5D.ttf'
fc-cache -f ~/.local/share/fonts/google
```
Check that fonts are available:
```bash
fc-match 'Bebas Neue'
fc-match 'Montserrat'
fc-match 'Cinzel'
```
## Input folder
Example:
```text
input/
IMG_001.jpg
IMG_002.png
holiday_clip.mp4
music.mp3
data.txt
```
Supported file types:
- Images: `.jpg`, `.jpeg`, `.png`, `.webp`, `.bmp`, `.tif`, `.tiff`
- Videos: `.mp4`, `.mov`, `.mkv`, `.avi`, `.webm`, `.m4v`
- Audio: `.mp3`, `.wav`, `.m4a`, `.aac`, `.flac`, `.ogg`
- Data: `data.txt`, `info.txt`, or `title.txt`
Files are ordered by filename, so names like this work well:
```text
001.jpg
002.jpg
003.mp4
004.jpg
```
## data.txt
`data.txt` is optional.
Simplest format:
```text
Paris Trip
May 2024
Paris, France
```
Those three lines mean:
1. title
2. date
3. place
Key/value format also works:
```text
title: Paris Trip
date: May 2024
place: Paris, France
```
Optional per-file captions may be supported, but they are not required:
```text
IMG_001.jpg: Eiffel Tower
IMG_002.jpg: Louvre
```
## Usage
Basic:
```bash
python3 movmaker.py input
```
With options:
```bash
python3 movmaker.py input \
--out-dir out \
--image-duration 6 \
--fade 3 \
--audio-fade 10 \
--first-transition-at 12 \
--resolution 1920x1080 \
--fps 30
```
## Current behavior
- scans one flat input directory
- auto-detects media/audio/data files by extension
- shows each image fully visible for 6 seconds by default, not counting crossfades
- keeps the first image longer so the first transition starts at 12 seconds by default
- includes video clips inline
- crossfades between media items over 3 seconds by default
- loops/trims music to match the video
- fades music in at the beginning and out at the end over 10 seconds by default
- overlays the opening title for the first 6 seconds: large bold title, then smaller non-bold date/location on one line
- adds persistent bottom-left title/date/place and bottom-right `marijo@novosel.dk` stamps
- writes an MP4 file named like `YYYYMMDD_title.mp4` by default
- takes `YYYYMMDD` from the first picture/video metadata, falling back to file modification date
- uses local `ffmpeg/ffmpeg` and `ffmpeg/ffprobe` when present, otherwise system tools
## Notes
This is an early version. The intended workflow is deliberately simple: dump files into one folder and run the script.