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Christian Soffke 7592d2ca5e playlist: deprecate PLAYLIST_COMMAND_CLEAR
In the following scenario, a garbage file name would
be written to the control file for the playing track
(resulting in a failure to resume correctly):

- "Keep Current Track When Replacing Playlist" option is set
- A track is playing that was not inserted but instead comes
  from a playlist file on disk
- User performs "Playing Next..." -> "Play" on some tracks, so
  that the current playlist is replaced (but leaving the playing
  track queued)
- User saves the playlist while queued track is still playing
  (the offer to remove queued tracks is declined)

The failure occurs because the pl_save_update_control function
assumes that the seek offset for queued files always points into
the control file. Meanwhile, the remove_all_tracks_unlocked
function adds the PLAYLIST_QUEUED flag indiscriminately, even if
a track comes from a playlist file instead of having been inserted.

Theoretically, this could be addressed by adding the playing
track's file name as a parameter to PLAYLIST_COMMAND_CLEAR,
which the track is then updated to point to, unless it
was already inserted (alternatively, we could seek within
the playlist file for such tracks).

Unless I'm missing something, it may be preferable, though, to
get rid of PLAYLIST_COMMAND_CLEAR completely, and instead have the
remove_all_tracks_unlocked function start over with a fresh
control file, into which we insert a single ('P' and) 'Q' command.

This seems to have several advantages:

- When resuming, we eliminate the need to parse and handle all of
  the outdated entries again that end up being cleared anyway
- It is ensured that the control file doesn't rely on the existence
  of a playlist file anymore after the playlist has been cleared
- We can reset the playlist's file name, which should make it less
  likely for the user to overwrite their previous (now unconnected)
  playlist that was still displayed in the Save dialog
- Unrelated bookmarks for the previous playlist aren't displayed
  anymore
- Improved consistency with existing behavior when the "Keep
  Current Track When Replacing Playlist" was disabled.

Change-Id: I41a89295bbac878807d65db9cf67b8a485daf0e5
2024-10-26 11:28:01 -04:00
android android: Fix configure script for "newer" versions of the NDK 2020-04-13 16:51:58 +02:00
apps playlist: deprecate PLAYLIST_COMMAND_CLEAR 2024-10-26 11:28:01 -04:00
backdrops New port: Shanling Q1 native 2021-07-13 22:01:33 +01:00
bootloader ErosQNative: Re-enable OF recovery 2024-08-27 09:23:53 -04:00
debian Prepare new maemo release 2013-03-10 12:12:38 +01:00
docs imageviewer: Initial support for JPEG progressive images. Add lib sources 2024-10-14 09:19:34 -04:00
firmware ipod6g: Reworking the bespoke ATA driver 2024-10-17 20:30:37 -04:00
fonts fonts: Major update for 12-Fixed-SemiCond (1767 -> 4531 codepoints) 2024-09-24 17:45:27 -04:00
gdb Nuke the never-functional iriver ifp-7xx port 2021-04-26 07:42:58 -04:00
icons Revert Non-Alpha Updated 8x8 tango icons 2020-10-25 16:21:58 +00:00
lib Codecs: wma: fix parsing album art 2024-10-23 09:10:18 +03:00
manual manual: Correct typo in ipod6g-specific doumentation 2024-10-22 21:11:08 -04:00
packaging Prepare unofficial pandora release 2013-03-10 14:09:30 +01:00
tools updatelang: Normalize all strings in our lang files to NFC form. 2024-10-22 07:25:41 -04:00
uisimulator SDL: Migrate to SDL2 2024-10-06 12:05:53 -04:00
utils rbutil: Add erosqnative 2024-09-24 10:48:58 -04:00
wps Add more space for Time Elapsed/Remaining on Rocker WPS 2022-11-15 09:23:37 -05:00
.gitattributes Add a gitattributes file for the migration. 2011-12-01 14:14:59 +00:00
.gitignore Update .gitignore 2024-05-05 14:19:22 -04:00
.gitreview misc: Add a .gitreview file for better gerrit integration 2021-06-24 07:22:19 -04:00

               __________               __   ___.
     Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
     Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
     Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
     Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
                       \/            \/     \/    \/            \/

Build Your Own Rockbox

1. Clone 'rockbox' from git (or extract a downloaded archive).

   $ git clone git://git.rockbox.org/rockbox

     or

   $ tar xJf rockbox.tar.xz

2. Create a build directory, preferably in the same directory as the firmware/
   and apps/ directories. This is where all generated files will be written.

   $ cd rockbox
   $ mkdir build
   $ cd build

3. Make sure you have mips/m68k/arm-elf-gcc and siblings in the PATH. Make sure
   that you have 'perl' in your PATH too. Your gcc cross compiler needs to be
   a particular version depending on what player you are compiling for. These
   can be generated using the rockboxdev.sh script in the /tools/ folder of the
   source.

   $ which arm-elf-eabi-gcc
   $ which perl

4. In your build directory, run the 'tools/configure' script and enter what
   target you want to build for and if you want a debug version or not (and a
   few more questions). It'll prompt you. The debug version is for making a
   gdb version out of it. It is only useful if you run gdb towards your target
   Archos.

   $ ../tools/configure

5. *ploink*. Now you have got a Makefile generated for you.

6. Run 'make' and soon the necessary pieces from the firmware and the apps
   directories have been compiled, linked and scrambled for you.

   $ make
   $ make zip

7. unzip the rockbox.zip on your music player, reboot it and
   *smile*.

If you want to build for more than one target, just create several build
directories and create a setup for each target:

   $ mkdir build-fuzeplus
   $ cd build-fuzeplus
   $ ../tools/configure

   $ mkdir build-xduoox3
   $ cd build-xduoox3
   $ ../tools/configure

Questions anyone? Ask on the mailing list or on IRC. We'll be happy to help you!