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https://github.com/homuler/MediaPipeUnityPlugin
Unity plugin to run MediaPipe
https://github.com/homuler/MediaPipeUnityPlugin
mediapipe unity
Last synced: about 1 month ago
JSON representation
Unity plugin to run MediaPipe
- Host: GitHub
- URL: https://github.com/homuler/MediaPipeUnityPlugin
- Owner: homuler
- License: mit
- Created: 2020-07-08T14:40:12.000Z (over 4 years ago)
- Default Branch: master
- Last Pushed: 2024-10-20T07:32:20.000Z (about 2 months ago)
- Last Synced: 2024-10-29T17:42:24.021Z (about 1 month ago)
- Topics: mediapipe, unity
- Language: C#
- Homepage:
- Size: 4.29 MB
- Stars: 1,798
- Watchers: 32
- Forks: 467
- Open Issues: 47
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Funding: .github/FUNDING.yml
- License: LICENSE
Awesome Lists containing this project
- awesome-unity3d - MediaPipeUnityPlugin - Unity plugin to run MediaPipe (Open Source Repositories / Machine Learning)
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README
# MediaPipe Unity Plugin
This is a Unity (>= 2021.3) [Native Plugin](https://docs.unity3d.com/Manual/NativePlugins.html) to use [MediaPipe](https://github.com/google/mediapipe) (0.10.14).
The goal of this project is to port the MediaPipe API (C++) _one by one_ to C# so that it can be called from Unity.\
This approach may sacrifice performance when you need to call multiple APIs in a loop, but it gives you the flexibility to use MediaPipe instead.
With this plugin, you can
- Write MediaPipe code in C#.
- Run MediaPipe's official solution on Unity.
- Run your custom `Calculator` and `CalculatorGraph` on Unity.
- :warning: Depending on the type of input/output, you may need to write C++ code.
## :smile_cat: Hello World!
Here is a Hello World! example.\
Compare it with [the official code](https://github.com/google/mediapipe/blob/cf101e62a9d49a51be76836b2b8e5ba5c06b5da0/mediapipe/examples/desktop/hello_world/hello_world.cc)!
```cs
using Mediapipe;
using UnityEngine;
public sealed class HelloWorld : MonoBehaviour
{
private const string _ConfigText = @"
input_stream: ""in""
output_stream: ""out""
node {
calculator: ""PassThroughCalculator""
input_stream: ""in""
output_stream: ""out1""
}
node {
calculator: ""PassThroughCalculator""
input_stream: ""out1""
output_stream: ""out""
}
";
private void Start()
{
using var graph = new CalculatorGraph(_ConfigText);
using var poller = graph.AddOutputStreamPoller("out");
graph.StartRun();
for (var i = 0; i < 10; i++)
{
graph.AddPacketToInputStream("in", Packet.CreateStringAt("Hello World!", i));
}
graph.CloseInputStream("in");
var packet = new Packet();
while (poller.Next(packet))
{
Debug.Log(packet.Get());
}
graph.WaitUntilDone();
}
}
```
For more detailed usage, see [the API Overview](https://github.com/homuler/MediaPipeUnityPlugin/wiki/API-Overview) page or the tutorial on [the Getting Started page](https://github.com/homuler/MediaPipeUnityPlugin/wiki/Getting-Started).
## :hammer_and_wrench: Installation
This repository **does not contain required libraries** (e.g. `libmediapipe_c.so`, `Google.Protobuf.dll`, etc).\
You can download them from [the release page](https://github.com/homuler/MediaPipeUnityPlugin/releases) instead.
| file | contents |
| :-----------------------------------: | :----------------------------------------------------------------------------------------------------------------: |
| `MediaPipeUnityPlugin-all.zip` | All the source code with required libraries. If you need to run sample scenes on your mobile devices, prefer this. |
| `com.github.homuler.mediapipe-*.tgz` | [A tarball package](https://docs.unity3d.com/Manual/upm-ui-tarball.html) |
| `MediaPipeUnityPlugin.*.unitypackage` | A `.unitypackage` file |
If you want to customize the package or minify the package size, you need to build them by yourself.\
For a step-by-step guide, please refer to the [Installation Guide](https://github.com/homuler/MediaPipeUnityPlugin/wiki/Installation-Guide) on Wiki.\
You can also make use of [the Package Workflow](https://github.com/homuler/MediaPipeUnityPlugin/blob/master/.github/workflows/package.yml) on Github Actions after forking this repository.
> :warning: libraries that can be built differ depending on your environment.
### Supported Platforms
> :warning: GPU mode is not supported on macOS and Windows.
| | Editor | Linux (x86_64) | macOS (x86_64) | macOS (ARM64) | Windows (x86_64) | Android | iOS | WebGL |
| :------------------------: | :----------------: | :----------------: | :----------------: | :----------------: | :----------------: | :----------------: | :----------------: | :---: |
| Linux (AMD64) [^1] | :heavy_check_mark: | :heavy_check_mark: | | | | :heavy_check_mark: | | |
| Intel Mac | :heavy_check_mark: | | :heavy_check_mark: | | | :heavy_check_mark: | :heavy_check_mark: | |
| M1 Mac | :heavy_check_mark: | | | :heavy_check_mark: | | :heavy_check_mark: | :heavy_check_mark: | |
| Windows 10/11 (AMD64) [^2] | :heavy_check_mark: | | | | :heavy_check_mark: | :heavy_check_mark: | | |
[^1]: Tested on Arch Linux.
[^2]: Running MediaPipe on Windows is [experimental](https://ai.google.dev/edge/mediapipe/framework/getting_started/install#installing_on_windows).
### Supported Solutions
This plugin implements the following [MediaPipe Tasks](https://ai.google.dev/edge/mediapipe/solutions/tasks) C# APIs.
cf. [The official available solutions](https://ai.google.dev/edge/mediapipe/solutions/guide#available_solutions)
| Solution | Android | iOS | Linux | macOS | Windows |
| :----------------------: | :----------------: | :----------------: | :----------------: | :----------------: | :----------------: |
| LLM Inference API | | | | |
| Object detection | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
| Image classification | | | | | |
| Image segmentation | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
| Interactive segmentation | | | | | |
| Hand landmark detection | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
| Gesture recognition | | | | | |
| Image embedding | | | | | |
| Face detection | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
| Face landmark detection | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
| Face stylization | | | | | |
| Pose landmark detection | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
| Image generation | | | | | |
| Text classification | | | | | |
| Text embedding | | | | | |
| Language detector | | | | | |
| Audio classification | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
### Legacy Solutions
You can also use [MediaPipe Framework](https://ai.google.dev/edge/mediapipe/framework), which allows you to run [Legacy Solutions](https://ai.google.dev/edge/mediapipe/solutions/guide#legacy). However, please note that support for these solutions has ended.
## :plate_with_cutlery: Try the sample app
### Example Solutions
Some solutions (including Legacy solutions) can be tested using the sample app.
Please check [`Assets/MediaPipeUnity/Samples/Scenes`](https://github.com/homuler/MediaPipeUnityPlugin/tree/master/Assets/MediaPipeUnity/Samples/Scenes) to see which solutions have samples.
### UnityEditor
Select any scenes under `Assets/MediaPipeUnity/Samples/Scenes` and play.
### Desktop, Android, iOS
Select proper Inference Mode and Asset Loader Type from the Inspector Window.
#### Preferable Inference Mode
If the native libraries are built for CPU (i.e. `--desktop cpu`), select `CPU` for inference mode.\
For the libraries distributed on the release page, only the CPU is available for use on Windows and macOS.
#### Asset Loader Type
The default Asset Loader Type is set to `Local`, which only works on UnityEditor.\
To run it on your devices, switch it to `StreamingAssets` and copy the required resources under [`StreamingAssets`](https://docs.unity3d.com/2022.3/Documentation/Manual/StreamingAssets.html) (if you're using `MediaPipeUnityPlugin-all.zip`, the `StreamingAssets` directory already contains them).
See [the tutorial](https://github.com/homuler/MediaPipeUnityPlugin/wiki/Getting-Started#load-model-files) for more details.
## :book: Wiki
https://github.com/homuler/MediaPipeUnityPlugin/wiki
## :scroll: LICENSE
[MIT](https://github.com/homuler/MediaPipeUnityPlugin/blob/master/LICENSE)
Note that some files are distributed under other licenses.
- MediaPipe ([Apache Licence 2.0](https://github.com/google/mediapipe/blob/e6c19885c6d3c6f410c730952aeed2852790d306/LICENSE))
- emscripten ([MIT](https://github.com/emscripten-core/emscripten/blob/7c873832e933e86855f5ef5f7c6438f0e457c94e/LICENSE))
- `third_party/mediapipe_emscripten_patch.diff` contains code copied from emscripten
- FontAwesome ([LICENSE](https://github.com/FortAwesome/Font-Awesome/blob/7cbd7f9951be31f9d06b6ac97739a700320b9130/LICENSE.txt))
- Sample scenes use Font Awesome fonts
See also [Third Party Notices.md](https://github.com/homuler/MediaPipeUnityPlugin/blob/master/Third%20Party%20Notices.md).