mdhelp: add another appendix with export URLs description

docs/markdown/toc.md

@@ -105,10 +105,11 @@ Web Status Tab
 
 Appendices
 
-  - [Appendix 1 - FAQ](faqs)
-  - [Appendix 2 - Command-line Options](cmdline_options)
-  - [Appendix 3 - Debugging Options](debugging)
-  - [Appendix 4 - Updating this documentation](doc_update)
-  - [Appendix 5 - Markdown Cribsheet](markdown_cribsheet)
+  - [Appendix 1 - URL syntax (Exports)](url)
+  - [Appendix 2 - FAQ](faqs)
+  - [Appendix 3 - Command-line Options](cmdline_options)
+  - [Appendix 4 - Debugging Options](debugging)
+  - [Appendix 5 - Updating this documentation](doc_update)
+  - [Appendix 6 - Markdown Cribsheet](markdown_cribsheet)
 
 [About](about)

docs/markdown/url.md

@@ -0,0 +1,84 @@
+## URL syntax
+
+Please, add `http://IP:Port` to complete the URL.
+
+### /play/REMAIN
+
+Return the playlist in *xspf* or *m3u* format. If the agent is in the list
+of direct agents (like wget/curl/vlc), the stream is returned instead.
+
+The remain part can be any URL starting with /stream .
+
+Option   | Explanation
+---------|------------------------------------------
+playlist | Playlist type, can be *xspf* or *m3u*
+
+**Example:** `http://127.0.0.1:9981/play/stream/channelname/Life?playlist=xspf`
+
+### /playlist[/TYPE][/WHAT][/IDENTIFIER]
+
+Return the m3u playlist in Enigma2 format. By default (if the rest of path
+is ommitted), an redirection answer will be sent where /channels remainder
+is used.
+
+TYPE          | Playlist type
+--------------|----------------------------------------
+*empty*       | M3U
+e2            | Enigma2
+satip         | M3U using SAT>IP extensions
+
+WHAT          | Playlist contents
+--------------|------------------------------------------------------------
+channels      | All channels
+tags          | All tags, for Enigma2 - tags are converted to labels
+recordings    | All recordings
+channelnumber | One channel specified by channel number
+channelname   | One channel specified by channel name
+channelid     | One channel specified by short channel ID
+tag           | Tagged channels specified by UUID or tag name
+tagname       | Tagged channels specified by tag name
+tagid         | Tagged channels specified by short tag ID
+dvrid         | One DVR record specified by short DVR ID
+
+Option   | Explanation
+---------|------------------------------------------------------------------------------
+profile  | Override streaming profile, otherwise the default profile for the user is used.
+
+### /stream/WHAT/IDENTIFIER
+
+This URL scheme is used for streaming. The stream contents depends on the
+streaming profile. It might be MPEG-TS, Matroska or MP4.
+
+WHAT          | Stream for
+--------------|------------------------------------------------------------
+channelnumber | Channel specified by channel number
+channelname   | Channel specified by channel name
+channel       | Channel specified by channel UUID
+channelid     | Channel specified by short channel ID
+service       | Service specified by service UUID
+mux           | Mux specified by mux UUID
+
+Option     | Explanation
+-----------|------------------------------------------------------------------------------
+profile    | (except /mux) Override streaming profile
+weight     | Override subscription weight
+qsize      | Override queue size in bytes (default value is 1500000 for channel/service, 10000000 for mux)
+descramble | (/service only) do not descramble (if set to 0)
+emm        | (/service only) pass EMM to the stream (if set to 1)
+pids       | (/mux only) list of subscribed PIDs (comma separated)
+
+### /xmltv[/WHAT][/IDENTIFIER]
+
+Return the XMLTV EPG export. By default (if the rest of path
+is ommitted), an redirection answer will be sent where /channels remainder
+is used.
+
+WHAT          | Playlist contents
+--------------|------------------------------------------------------------
+channels      | All channels
+channelnumber | One channel specified by channel number
+channelname   | One channel specified by channel name
+channelid     | One channel specified by short channel ID
+tag           | Tagged channels specified by UUID or tag name
+tagname       | Tagged channels specified by tag name
+tagid         | Tagged channels specified by short tag ID