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shaka-player/docs/tutorials/welcome.md
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Joey Parrish 4d88905463 Build docs as part of build/all.py
Originally, docs were slow to build, and many people did not need a
local copy.  Now, building the docs is fast, and doing everything as
part of "all" is less surprising.

Closes #1421

Change-Id: I5ac254df9d2beca8c1c5898614782a81e662a0e9
2018-05-11 21:55:32 +00:00

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Markdown

# Welcome to Shaka Player
Shaka Player is a JavaScript library for adaptive video streaming.
It plays [DASH][] content without browser plugins using
[MediaSource Extensions][] and [Encrypted Media Extensions][].
Shaka Player is meant to be deployed after being compiled. The tools you need
to compile the sources and documentation are included in the sources:
[Closure Compiler][], [Closure Linter][], and [JSDoc][].
If you are integrating Shaka Player into another Closure-based project, our
build process will generate externs for Shaka Player itself.
If you installed Shaka Player via npm, the source has been compiled and the
externs have been generated.
[DASH]: http://dashif.org/
[MediaSource Extensions]: http://w3c.github.io/media-source/
[Encrypted Media Extensions]: https://w3c.github.io/encrypted-media/
[Closure Compiler]: https://developers.google.com/closure/compiler/
[Closure Linter]: https://developers.google.com/closure/utilities/docs/linter_howto
[JSDoc]: http://usejsdoc.org/
#### Prerequisites
You can build Shaka on Linux, Windows, or Mac.
To get the sources and compile the library, you will need:
* Git v1.9+ {@link https://git-scm.com/downloads}
* Python v2.7 {@link https://www.python.org/downloads/}
* Java Runtime Environment v8+ {@link https://java.com/en/download/}
* NodeJS v6+ {@link https://nodejs.org/en/download/}
* A local web server, such as Apache {@link https://httpd.apache.org/}
* _NOTE: A local web server is required because browsers place restrictions
on applications from file:/// URLs._
To quickly install these prerequisites on Ubuntu or Debian, you can run this
script:
```sh
curl https://raw.githubusercontent.com/google/shaka-player/master/build/install-linux-prereqs.sh | bash
```
We do not provide detailed instructions or scripts for installing these
prerequisites on other operating systems or on non-Debian-based Linux
distributions. (We couldn't possibly document them all.) You can follow the
links above to download and install the prerequisites manually on any OS.
#### Get the source
```sh
git clone https://github.com/google/shaka-player.git
cd shaka-player
```
#### Compile the library and generate the docs
```sh
python build/all.py
```
The output is:
* dist/shaka-player.compiled.js (compiled bundle)
* dist/shaka-player.compiled.debug.js (debug bundle)
* dist/shaka-player.compiled.externs.js
(generated externs, for Closure-based projects)
* docs/api/index.html (generated documentation)
#### Run the tests
The tests depend on a few third-party tools, which are installed automatically
via `npm` when you run the tests. Nothing will be installed globally.
Run the tests in your platform's browsers using `./build/test.py`. You can
specify particular browsers with the `--browsers` argument. For example:
```sh
./build/test.py --browsers Opera
# or:
./build/test.py --browsers Chrome,Firefox,Edge
```
You can find a full list of available browsers with `--browsers help`, and you
can find a complete list of testing options with `--help`.
#### Join the announcement list
If you want to receive release or survey announcements, you should join our
[mailing list](https://groups.google.com/forum/#!forum/shaka-player-users).
The list is very low volume.
#### Continue the Tutorials
Next, check out {@tutorial basic-usage}.