From 74a04b531f157562c7a0f74c3b53d83da751bb71 Mon Sep 17 00:00:00 2001 From: Not Zed Date: Fri, 26 May 2023 09:10:49 +0930 Subject: [PATCH] Improve the README. --- README | 200 +++++++++++++++++++++++++++++++++++++++++++++++++-------- TODO | 40 ++++++++++++ 2 files changed, 213 insertions(+), 27 deletions(-) diff --git a/README b/README index b68d051..23dced7 100644 --- a/README +++ b/README @@ -1,42 +1,188 @@ -Design Thoughts --------------- +Introduction +------------ -Overall playlist behaviour? +PlayerZ is a minimal jukebox application for playing local music +files. It is very much a work in progress personal project. - - Need a "current playlist" - - When a playlist finishes, go back to the all playlist. - - Also need a "scratch playlist" +It consists of a small suite of separate programmes which communicate +via posix message queues for security and robustness. -System playlists +Some of it's features or planned features: -* default / all:shuffle - All tracks, shuffled. The default playlist. + * Support hundreds of thousands of media files + * Support for removable media + * [planned, half implemented] support for auto-scanning removeable media + * Simple web-based interface using embedded web server + * Keyboard/remote control support for navigation + * [work in progress] vocal menu system using espeak + * Audio output is via ALSA. -* queue - User selected tracks, in order. +Compile +------- -* junk - The junk list, for later operations +Requirements are libeze (see links), lmdb, libasound, and ffmpeg +libraries. Plus some system libraries like libblkid. -* user list - A user playlist +Edit the last line of dbindex.h to set the lmdb location, it should +point to a directory on a local filesystem that already exists. -Operations on Search +Edit the Makefile to set the location of the libraries and build with: -* Play Now - Adds to the play queue and switches to it it isn't started. +$ make -* Add to List - Add to specified playlist. +Running +------- -Operations on Coming Up +Music must be imported before it can be played. -* Play Now - Jumps to track +Start the indexer service: -* Junk - Add to junk list (or should it be explicit?) + $ ./disk-indexer start -* Remove (user playlist, queue) - Remove from playlist +Scan a directory (recursively): + + $ ./disk-indexer add -r all-music /data/music + +Or to update later: + + $ ./disk-indexer update all-music + +Wait for it to complete. + +List the disks to find the disk id: + + $ ./disk-util --disks + id: 1 + flags: 00000001 + uuid: all-music + label: system + mount: /data/music + $ + +Create the shuffle queue: + + $ ./disk-util --lists-reset + $ ./disk-util --shuffle 1 + +Start the player: + + $ ./music-player + +Start the web interface service: + + $ ./http-monitor + +And then navigate to: + + http://localhost:8000/x/ + +Or use audio-cmd to navigate: + + $ ./audio-cmd pause + $ ./audio-cmd play + $ ./audio-cmd next + $ ./audio-cmd prev + $ ./audio-cmd seek + $ ./audio-cmd skip + +The remote/keyboard monitor is somewhat hardcoded to a mele airmouse, +but if you want to try it you can start the input monitor. It needs +to run as a user with access to the input device, I just use root for +development. + + $ sudo ./input-monitor + +There is also a service designed to monitor removable media and +auto-index media files which directly monitors kernel UDEV events. +I'm not sure of the status of this though as it didn't turn out to be +as useful as I thought it would. It needs to run as a disks user so +it can mount and unmount media, or root: + + $ sudo ./disk-monitor + +Services +-------- + +disk-indexer + + Performs indexing and updating of indexes for media content. + +disk-util + + Tool for interacting with the database tables. + +music-player + + The music player, obviously. + +audio-cmd + + Tool for sending commands to the music player. + +http-monitor + + Simple web server which includes the player interface. + +input-monitor + + Monitor keyboard/remote inputs. Hardcoded to mele airmouse + but could be modified to handle other devices such as PS4 + controllers. + +disk-monitor + + Monitors KOBJECT_UVENT events from the Linux kernel for + removable media changes, mounts/unmounts devices, and requests + disks be indexed. + +Status +------ + +Code level is alpha - the music indexing and playing is very robust +but requires much more work on the playlist designs. + +The playerz-1 branch is the one i'm using but master has an improved +web interface. + +It needs more work on the playlist design. Currently it plays from a +single (shuffled) playlist and you can jump to a single track from a +search. The TODO file has some ideas on how to implement better +jukebox facilities. + +It should probably use ffmpeg for audio output rather than directly +using ALSA. + +A lot of things are hardcoded like the keyboard to monitor, the +database location. + +The lmdb file fills up it's transaction space and needs manual +resetting from time to time, use: + + $ mdb_stat -rr + +Links +----- + +* playerz +* libeze +* FFmpeg + +LICENSE +------- + + Copyright (C) 2019-2023 Michael Zucchi + + This program is free software: you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation, either version 3 of the + License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see + . diff --git a/TODO b/TODO index 79abcf7..f81d036 100644 --- a/TODO +++ b/TODO @@ -1,4 +1,44 @@ +Overall playlist behaviour? + + - Need a "current playlist" + - When a playlist finishes, go back to the all playlist. + - Also need a "scratch playlist" + +System playlists + +* default / all:shuffle + All tracks, shuffled. The default playlist. + +* queue + User selected tracks, in order. + +* junk + The junk list, for later operations + +* user list + A user playlist + +Operations on Search + +* Play Now + Adds to the play queue and switches to it it isn't started. + +* Add to List + Add to specified playlist. + +Operations on Coming Up + +* Play Now + Jumps to track + +* Junk + Add to junk list (or should it be explicit?) + +* Remove (user playlist, queue) + Remove from playlist + + o bugs - something wrong with playlist and direct-play state/reverse lookup? -- 2.39.5