Added comments to sample config

config-sample.toml

@@ -1,15 +1,40 @@
+# Specifies the temporary, or work directory. Intermediate files will be put here
+# and moved/deleted later when no longer needed.
 TempDir = "/tmp/"
 
+#####################################################################################
+# This will download the 5 most recently uploaded videos, shorts and livestreams.   #
+# Since YouTube serves using separate video and audio streams, specifying both      #
+# VideoFormat and AudioFormat will invoke FFmpeg at the end of the download process #
+# to merge the two together. In this example, they are merged into mkv.             #
+#####################################################################################
 [Group.LinuxYouTubers]
-URL = [ "https://www.youtube.com/@DistroTube", "https://www.youtube.com/@MentalOutlaw" ]
+URL = [
+    "https://www.youtube.com/@DistroTube",
+    "https://www.youtube.com/@MentalOutlaw"
+]
+
+# See https://pkg.go.dev/github.com/wader/goutubedl#Info for a list of possible placeholders.
+# Not all of them will be valid for a particular platform though.
 OutputDir = "videos/Linux/%Channel%/%Playlist%/"
 FileName = "%Timestamp% - %Title%.mkv"
-CFormat = "matroska"
-VideoFormat = "bestvideo[height<=720]"
-AudioFormat = "bestaudio"
-NumVideos = 5
-SizeLimit = 200000000
 
+# FFmpeg container format
+# See https://ffmpeg.org/ffmpeg-formats.html#Muxers for a full list
+# "matroska" is a very safe option for videos as it can accept basically
+# any combination of codecs. This is only needed if both VideoFormat and AudioFormat
+# are specified, or if extracting audio.
+CFormat = "matroska"
+
+VideoFormat = "bestvideo[height<=720]" # Standard youtube-dl format filter
+AudioFormat = "bestaudio" # Same here
+NumVideos = 5
+SizeLimit = 200000000 # In bytes
+
+######################################################################################
+# YTVA also supports other platforms like Odysee. Most of these platforms only serve #
+# a single file though, so only "VideoFormat" needs to be specified.                 #
+######################################################################################
 [Group.Odysee]
 URL = [ "https://odysee.com/@DistroTube:2", "https://odysee.com/@AlphaNerd:8" ]
 OutputDir = "videos/Odysee/%Channel%/"
@@ -27,6 +52,13 @@ CFormat = "webm"
 AudioFormat = "bestaudio"
 NumVideos = 5
 SizeLimit = 10000000
+
+# Filters use the same placeholder system as filenames and directories, combined with
+# regular expression.
+# Name: Filter name, mostly for debugging if unexpected filtering happens
+# Input: String input. Placeholder values will be replaced with the relevant video information
+# Pattern: Regex Pattern to match
+# AllowDeny: true for allowlisting, false for denylisting
 Filters = [
     {Name = "No Shorts", Input = "%Playlist%", Pattern = ".*- Shorts$", AllowDeny = false}
 ]