Expand installation instructions
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{
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"name": "blog",
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"version": "1.3.0",
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"version": "1.3.1",
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"description": "Florine's personal blog.",
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"author": "Florine W. Dekker",
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"browser": "dist/bundle.js",
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"deploy": "grunt deploy"
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},
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"devDependencies": {
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"@11ty/eleventy": "^1.0.0",
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"grunt": "^1.5.2",
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"@11ty/eleventy": "^1.0.1",
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"grunt": "^1.5.3",
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"grunt-cli": "^1.4.3",
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"grunt-contrib-clean": "^2.0.1",
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"grunt-contrib-copy": "^1.0.0",
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@ -41,16 +41,26 @@ I've seen some people who wrote that they used
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I don't have any experience with RimworldRender, but I suppose the advantage of FFmpeg is that you can easily combine it
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in a whole pipeline of tools and libraries to add music, scaling, zooming, panning, and much more.
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You can download [⎋ FFmpeg for Windows from gyan.dev](https://www.gyan.dev/ffmpeg/builds/ffmpeg-git-full.7z),
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or you can check the [⎋ FFmpeg download page](https://ffmpeg.org/download.html) for more download options.
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Simply extract the downloaded archive anywhere you want;
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let's say you extracted it to `C:\Users\FWDekker\Downloads\ffmpeg\` so you have the executable
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`C:\Users\FWDekker\Downloads\ffmpeg\ffmpeg.exe`.
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### 2.1 Installing FFmpeg
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* **Windows:**
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You can download
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[⎋ FFmpeg for Windows from gyan.dev](https://www.gyan.dev/ffmpeg/builds/ffmpeg-git-full.7z),
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or you can check the [⎋ FFmpeg download page](https://ffmpeg.org/download.html) for more download options.
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Simply extract the downloaded archive anywhere you want;
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let's say you extracted it to `C:\Users\FWDekker\Downloads\ffmpeg\` so you have the executable
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`C:\Users\FWDekker\Downloads\ffmpeg\ffmpeg.exe`.
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* **Linux/macOS:**
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Follow the download instructions on the [⎋ FFmpeg download page](https://ffmpeg.org/download.html).
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If you're running a Debian-based distro (including Ubuntu) you can just run `sudo apt install ffmpeg`.
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In the instruction below you should replace `C:\Users\FWDekker\Downloads\ffmpeg\ffmpeg.exe` with a simple `ffmpeg`.
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### 2.1 Renaming the files
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### 2.2 Renaming the files
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Before you can use FFmpeg to create a video from your screenshots, you have to (temporarily) rename the images.
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FFmpeg expects the images to have names like `001.png`, `002.png`, etc.
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You can easily do that using [⎋ Ant Renamer](http://www.antp.be/software/renamer).
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FFmpeg expects the images to have names like `1.png`, `2.png`, etc.
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The best way to rename your files depends on your operating system.
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#### 2.2.1 Windows
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The easiest option on Windows is probably to use [⎋ Ant Renamer](http://www.antp.be/software/renamer).
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Let's say that your screenshots from Progress Renderer are stored in `C:\Users\FWDekker\Rimworld\`.
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1. [⎋ Download](http://www.antp.be/software/renamer/download) and run Ant Renamer.
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2. Click the `Add folders...` button, and select the screenshot folder.
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@ -64,13 +74,22 @@ Let's say that your screenshots from Progress Renderer are stored in `C:\Users\F
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These settings are fine even if you have more than 1000 screenshots.
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6. Press `Go` at the top.
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The files have been renamed, but do not close Ant Renamer yet!
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The files have been renamed.
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Once you've completed this whole guide, you can press the arrow to the right of `Go` to undo the renaming if you
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want.
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If you close Ant Renamer, you will not be able to undo the renaming.
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Now you're ready to run FFmpeg.
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After you're done with FFmpeg, you can press the arrow to the right of `Go` to undo the renaming.
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If you close Ant Renamer, you will not be able to undo the renaming.
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#### 2.2.2 Linux/macOS
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1. Open up a terminal and navigate to the directory containing the images.
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2. Check you're in the right directory using `lv -a`.
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Make sure you see _no_ files other than the images you want to rename.
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3. Double check you're in the right directory.
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4. Run the following command to rename all files in the current directory:
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```shell
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ls -v | cat -n | while read n f; do mv -n "$f" "$n.png"; done
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```
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### 2.2 Creating the video
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### 2.3 Creating the video
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With the files properly renamed, you can run FFmpeg to create the video for you.
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1. Open the Windows command prompt.
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2. Navigate to the directory of screenshots using `cd /d "C:\Users\FWDekker\Rimworld"`.
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@ -86,18 +105,18 @@ With the files properly renamed, you can run FFmpeg to create the video for you.
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* `-crf 24` is the quality of the video. A lower value means higher quality. Typical values are between 18 and 28.
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* `-pix_fmt yuv420p` is the way pixels are encoded.
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* `-vf [...]` applies filters to the images, like cropping and scaling.
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* `crop=5120:3680:2384:3296` extracts a rectangle from the images, basically zooming in on your images.
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The format is `width:height:x:y`, creating a rectangle of size `width` by `height`, with the top-left corner at
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`x, y` measured from the top-left corner.
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For some reason, you have to make sure all values are multiples of 8, or else you will get a bunch of warnings.
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* `scale=1280:920` resizes the video to the given dimensions.
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* `tpad=stop_mode=clone:stop_duration=3` freezes the last frame for 3 seconds, to allow people to enjoy the end of
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the video.
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* `out.mp4` is the file to store the output in.
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* `crop=5120:3680:2384:3296` extracts a rectangle from the images, basically zooming in on your images.
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The format is `width:height:x:y`, creating a rectangle of size `width` by `height`, with the top-left corner at
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`x, y` measured from the top-left corner.
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For some reason, you have to make sure all values are multiples of 8, or else you will get a bunch of warnings.
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* `scale=1280:920` resizes the video to the given dimensions.
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* `tpad=stop_mode=clone:stop_duration=3` freezes the last frame for 3 seconds, to allow people to enjoy the end of
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the video.
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* `out.mp4` is the file to store the output in, relative to the `"C:\Users\FWDekker\Rimworld"` directory.
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FFmpeg will show you a nice process indicator with some additional stats, and should be done within a few minutes.
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### 2.3 Lowering the quality
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### 2.4 Lowering the quality
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If you find that the video is too large, you can repeat the previous step with a higher value for `-crf` or with a
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different output size.
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However, this means that FFmpeg will have to process all your screenshots again, which takes a while.
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@ -112,19 +131,19 @@ seconds.
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"C:\Users\FWDekker\Downloads\ffmpeg\ffmpeg.exe" -i out.mp4 -vf "scale=640:460" out2.mp4
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```
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### 2.4 Adding sound
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### 2.5 Adding sound
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To spice up your video, you can add music.
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Store the music file, say `audio.mp3`, in the same folder as `out.mp4`, and then you can use FFmpeg for this step as
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Store the music file, say in `audio.mp3`, in the same folder as `out.mp4`, and then you can use FFmpeg for this step as
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well:
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```shell
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"C:\Users\FWDekker\Downloads\ffmpeg\ffmpeg.exe" -i out.mp4 -i audio.mp3 -af "afade=t=out:st=50:d=3" -c:v copy -shortest out-with-audio.mp4
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```
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* `-i out.mp4` and `-i audio.mp3` show which files you want to process.
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* `-af [...]` applies filters to the audio.
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* `t=out:st=50:d=3` means that you're applying the _fade out_ filter, with start time at 50 seconds (`st=50`), and a
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duration of 3 seconds (`d=3`).
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I chose these values because my video `out.mp4` is 53 seconds long, of which the last 3 seconds are a frozen frame.
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If you don't want a fade out, then replace the `-af [...]` with `-a:v copy`.
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* `t=out:st=50:d=3` means that you're applying the _fade out_ filter, with start time at 50 seconds (`st=50`), and a
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duration of 3 seconds (`d=3`).
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I chose these values because my video `out.mp4` is 53 seconds long, of which the last 3 seconds are a frozen frame.
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If you don't want a fade out, then replace the `-af [...]` with `-a:v copy`.
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* `-c:v copy` means that you just want to copy the video without any adjustments.
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* `-shortest` takes the shortest of all your input files, and makes the output as long as that file.
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So if `audio.mp3` is longer than `out.mp4`, then `audio.mp3` is cut off.
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