Merge pull request #14 from vishen/factor_playlist_and_load

all: various code clean-up.

Author: vishen

README.md

@@ -1,18 +1,33 @@
 # Chromecast
 
-This implements a basic number of the google chromecast commands. Other than the basic commands, it also allows you to play media files from your computer either individually or in a playlist; the `playlist` command will look at all the files in a folder and play them sorted by numerically.
+Implements a basic number of the google chromecast commands. Other than the basic commands, it also allows you to play media files from your computer either individually or in a playlist; the `playlist` command will look at all the files in a folder and play them sorted by numerically.
 
-Can play / load a local media file on your chromecast. Currently the chromecast default media receiver only supports the following formats:
+## Media Content Playable
+
+Can play / load a local media file on your chromecast.
 
 ```
 Supported Media formats:
+    - MP3
+    - AVI
     - MKV
     - MP4
     - WebM
 ```
 
 If an unknown file is found, it will use `ffmpeg` to transcode it to MP4, and stream it to the chromecast.
 
+## Cast DNS Lookup
+
+A DNS multicast is used to determine the Chromecast and Google Home devices.
+
+The cast DNS entry is also cached, this means that if you pass through the device name, `-n <name>`, or the
+device uuid, `-u <uuid>`, the results will be cached and it will connect to the chromecast device instanly.
+
+## Playlist
+
+There is support for playing media items as a playlist.
+
 If playing from a playlist, you are able to pass though the `--select` flag, and this will allow you to select
 the media to start playing from. This is useful if you have already played some of the media and want to start
 from one you haven't played yet.
@@ -21,9 +36,21 @@ A cache is kept of played media, so if you are playing media from a playlist, it
 media files you have recently played and play the next one from the playlist. `--continue=false` can be passed
 through and this will start the playlist from the start.
 
-The cast DNS entry is also cached, this means that if you pass through the device name, `-n <name>`, or the
-device uuid, `-u <uuid>`, the results will be cached and it will connect to the chromecast device instanly.
-Otherwise a DNS multicast is performed to find the chromecast devices.
+## Watching a Device
+
+If you would like to see what a device is sending, you are able to `watch` the protobuf messages being sent from your device:
+
+```
+$ go-chromecast watch
+```
+
+## Installing
+
+Install the usual Go way:
+
+```
+$ go get -u github.com/vishen/go-chromecast
+```
 
 ## Commands