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fix[player]: Don't latch tag if no playlist exists

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When the device is in 'tagstartstop' tag mode, and the user presents a
new tag to get the serial number and create a playlist using the web UI,
the playerapp still remembered the tag as the currently playing tag even
though no playlist was found and no playback is running. After the user
saves the playlist in the UI and puts the tag on the device again, they
expect the playback to start with the new playlist. Instead, nothing
happens, because this is counted as the 'stop' event of the tagstartstop
mode. The user would have to remove the tag and present it again (after
waiting for the tagtimeout) to play the new playlist.

Fix this unexpected behaviour by not storing the current tag into the
playing_tag field if no playlist existed for the tag.

Signed-off-by: Matthias Blankertz <matthias@blankertz.org>
This commit is contained in:
Matthias Blankertz
2026-01-06 12:41:37 +01:00
parent 763305c659
commit 6976aa6963
1 changed files with 1 additions and 1 deletions
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software/src/app.py
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@@ -82,7 +82,7 @@ class PlayerApp:
uid_str = b''.join('{:02x}'.format(x).encode() for x in new_tag) uid_str = b''.join('{:02x}'.format(x).encode() for x in new_tag)
if self.tag_mode == 'tagremains' or (self.tag_mode == 'tagstartstop' and new_tag != self.playing_tag): if self.tag_mode == 'tagremains' or (self.tag_mode == 'tagstartstop' and new_tag != self.playing_tag):
self._set_playlist(uid_str) self._set_playlist(uid_str)
self.playing_tag = new_tag self.playing_tag = new_tag if self.playlist is not None else None
elif self.tag_mode == 'tagstartstop': elif self.tag_mode == 'tagstartstop':
print('Tag presented again, stopping playback') print('Tag presented again, stopping playback')
self._unset_playlist() self._unset_playlist()