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https://github.com/larryaasen/dive

Dive is a Flutter toolkit for video recording and streaming. A complete set of packages to build the next generation of Flutter media apps.
https://github.com/larryaasen/dive

audio dart flutter livestreaming media recording streaming toolkit video

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Dive is a Flutter toolkit for video recording and streaming. A complete set of packages to build the next generation of Flutter media apps.

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README 

        
# Dive



Introducing Dive! A new Flutter toolkit for video recording and streaming.

A complete set of packages to build the next generation of Flutter media apps.



## Introduction



Dive is a video recording and streaming toolkit built on top of Dart and

Flutter with native extensions on macOS. It is a group of Flutter packages for

building media apps. In the future, support for multiple

platforms will be added.



**dive** - A Flutter package that provides video capabilities.



**dive_ui** - A Flutter package for Dive containing Widgets for building Flutter

apps for video recording and streaming.



**dive_obslib** - A Flutter plugin package for Dive that provides low level access

to obslib using FFI.



## dive



The dive package is a Flutter package that provides basic services for

video playback, camera devices, audio, and streaming. This package relies

heavily on the dive_obslib package but remains platform indepenent.



## dive_ui



The dive_ui package is a Flutter package containing Widgets to build video based

Flutter apps. This package relies heavily on the dive package but remains

platform indepenent.



This package contains many examples on using dive_ui widgets and dive

classes. The examples use the macOS platform folder that contains a Podfile

that references the obslib CocoaPods library.



## dive_obslib



The dive_obslib package is a Flutter plugin that provides low level access

to obslib. This package 

contains platform-specific implementations with native extensions for Android,

iOS, and macOS.



dive_obslib is powered by obslib, a CocoaPods library built from the core of OBS Studio.

It utilizes all of the underlying features of OBS Studio excluding the UI code.

It includes inputs, sources, outputs, encoders, services, and more.



dive_obslib contains the DiveObsLibPlugin and the dive_obslib CocoaPods library. The

dive_obslib pod has a dependency on the obslib CocoaPods library.



## obslib CocoaPods library



The obslib CocoaPods library is a wrapper around the obslib Framework that can

be consumed by the DiveApp macOS platform Podfile.



## obslib Framework



The obslib framework (obslib-framework) is the core of OBS Studio,

and is the non-UI code and resources compiled into a reusable framework. The framework

is built by an Xcode project.



The framework folder contains an example macOS application that consumes the

obslib framework without using CocoaPods and is used to test the framework.



### Components of the obslib framework



* header files

* data files

* libraries

* plugins



Libraries:

* libobs-opengl.so

* libobsglad.0.dylib

* libobs-frontend-api.dylib

* libobs-scripting.dylib

* libobs.0.dylib

* libavformat.58.dylib

* libpostproc.55.dylib

* libavfilter.7.dylib

* libjansson.4.dylib

* libavcodec.58.dylib

* libavutil.56.dylib

* libswscale.5.dylib

* libavdevice.58.dylib

* libx264.160.dylib

* libswresample.3.dylib

* libmbedx509.2.16.5.dylib

* libfreetype.6.dylib

* libmbedx509.2.16.5.dylib

* librnnoise.0.dylib

* liblaujit-5.1.2.1.0.dylib

* libmbedcrypto.2.16.5.dylib



Plugins:

* mac-capture.so

* obs-ffmpeg.so

* linux-jack.so

* obs-libfdk.so

* obs-x264.so

* obs-transitions.so

* obs-filters.so

* vlc-video.so

* obs-browser.so

* obs-outputs.so

* mac-syphon.so

* text-freetype2.so

* mac-vth264.so

* image-source.so

* coreaudio-encoder.so

* obs-vst.so

* rtmp-services.so

* mac-avcapture.so

* mac-decklink.so



## Dive Folder Structure



```

dive

 |-- apps

   |-- dive_app

 |-- packages

   |-- dive

   |-- dive_obslib

   |-- dive_ui

```



## Concepts



### Input Source



An input source is a camera, microphone, virtual camera, screen capture,

or NDI source.



### Sources



### channel



### output



### Encoders



### Services



## VS Code Editor

The Dart line length has been changed from 80 (default) to 110, a

much wider and more readable width. Most developers are using displays

that can easily display wider rows of text, making code easier to

read when a simple method is so long.