osb2mp4

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An osu! storyboard to video converter

osb2mp4 최신버젼 다운로드

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# osb2mp4

An [osu!](https://osu.ppy.sh) storyboard to video converter. ~~Will be maintained until an alternative exists in lazer.~~ Very much unmaintained, pending rewrite.

This project has been in progress on and off since the middle of September 2020. Actual time spent working so far has probably been about 6 weeks.

I'll expand this readme eventually. Here are some benchmarks on my computer:

```
CPU: AMD Ryzen 5 2400G @ 3.70 GHz
Render: 1920x1080 @ 30fps
CPU usage: ~90-95%
```

| Storyboard             | time (mm:ss) |
|------------------------|-------------:|
| [Alexithymia](https://osu.ppy.sh/beatmapsets/1054045)            |        40:00 |
| [Double Pendulum](https://osu.ppy.sh/beatmapsets/695053)        |        17:00 |
| [world.execute(me)](https://osu.ppy.sh/beatmapsets/470977)      |        11:00 |
| [Asymmetry](https://osu.ppy.sh/beatmapsets/310499)              |         5:12 |
| [new beginnings](https://osu.ppy.sh/beatmapsets/1011011)         |         2:36 |

## TODO

- handle errors
- fix all edge-cases
- clean up dumb code
- optimise for performance a bit
- rewrite whole thing in opengl or something

## Running

```
Usage: osb2mp4.exe song_folder [options]

options:
 -s, --start-time time          start time in ms (default: automatic)
 -e, --end-time time            end time in ms (default: automatic)
 -d, --duration time            duration in ms (default: automatic)
 -o, --output time              output video name (default: video.mp4)
 -diff, --difficulty filename   difficulty file name (default: first found)
 -w, --width pixels             video width (default: 1920)
 -h, --height pixels            video height (default: 1080)
 -f, --frame-rate fps           video frame rate (default: 30)
 -v, --volume volume            overall volume from 0 to 100 (default: 100)
 -mv, --music-volume volume     music volume from 0 to 100 (default: 100)
 -ev, --effect-volume volume    effect volume from 0 to 100, i.e. samples (default:
                                100)
 -dim, --background-dim dim     background dim value from 0 to 100 (default: 0)
 -ar, --respect-aspect-ratio    change to 4:3 aspect ratio if WidescreenStoryboard
                                is disabled in the difficulty file
 -fail, --show-fail-layer       show the fail layer instead of the pass layer
 -keep, --keep-temp-files       don't delete temporary files (temp.mp3 & temp.avi)
 -z, --zoom factor              zoom factor to use when rendering, useful for checking
                                out-of-bounds sprites (default: 1)
```

## Dependencies

- [OpenCV](https://www.opencv.org/releases) - download and extract somewhere accessible
- A global [FFmpeg](https://ffmpeg.org/download.html) installation

## Compilation

On Windows, you can compile with clang (you can get it by installing [LLVM](https://releases.llvm.org/download.html)) by running the included `make.ps1` script. Be sure to fill in the templated variables at the top of the file.

When running, make sure to have `opencv_videoio_ffmpeg451_64.dll` and `opencv_world451.dll` in the same folder as `osb2mp4.exe`.

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