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This is for situations when repeated attempts at playing a playlist
entry failed, and playlist navigation becomes impossible due to that.
For example, it wasn't possible to skip backwards past an unplayable
playlist entry:
mpv file1.mkv doesntexist.mkv file3.mkv
You couldn't skip back to file1.mkv from file3.mkv. When running a
single "playlist_prev" command, doesntexist.mkv would be played, which
would fail to load. As reaction to the failure to load it, the next file
would be played, which is file3.mkv.
To make this even worse, the file could successfully load, but run only
for a split second. So just loading successfully isn't good enough.
Attempt to solve this by marking problematic playlist entries as failed,
and by having playlist_prev skip past such playlist entries. We define
failure as not being able to play more than 3 seconds (or failing to
initialize to begin with). (The 3 seconds are in real time, not file
duration.)
"playlist_prev force" still exhibits the old behavior.
Additionally, use the same mechanism to prevent pointless infinite
reloading if none of the files on the playlist exist. (See github issue
All in all, this is a heuristic, and later adjustments might be
necessary.
Note: forward skips (playlist_next) are not affected at all. (Except for
the interaction with --loop.)
81 lines
2.8 KiB
C
81 lines
2.8 KiB
C
/*
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* This file is part of mplayer.
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*
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* mplayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* mplayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with mplayer. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MPLAYER_PLAYLIST_H
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#define MPLAYER_PLAYLIST_H
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#include <stdbool.h>
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#include "mpvcore/bstr.h"
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struct playlist_param {
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bstr name, value;
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};
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struct playlist_entry {
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struct playlist_entry *prev, *next;
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struct playlist *pl;
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char *filename;
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struct playlist_param *params;
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int num_params;
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// Set to true if playback didn't seem to work, or if the file could be
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// played only for a very short time. This is used to make playlist
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// navigation just work in case the user has unplayable files in the
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// playlist.
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bool playback_failed;
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};
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struct playlist {
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struct playlist_entry *first, *last;
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// This provides some sort of stable iterator. If this entry is removed from
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// the playlist, current is set to the next element (or NULL), and
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// current_was_replaced is set to true.
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struct playlist_entry *current;
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bool current_was_replaced;
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};
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void playlist_entry_add_param(struct playlist_entry *e, bstr name, bstr value);
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void playlist_entry_add_params(struct playlist_entry *e,
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struct playlist_param *params,
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int params_count);
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struct playlist_entry *playlist_entry_new(const char *filename);
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void playlist_insert(struct playlist *pl, struct playlist_entry *after,
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struct playlist_entry *add);
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void playlist_add(struct playlist *pl, struct playlist_entry *add);
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void playlist_remove(struct playlist *pl, struct playlist_entry *entry);
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void playlist_clear(struct playlist *pl);
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void playlist_move(struct playlist *pl, struct playlist_entry *entry,
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struct playlist_entry *at);
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void playlist_add_file(struct playlist *pl, const char *filename);
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void playlist_shuffle(struct playlist *pl);
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struct playlist_entry *playlist_get_next(struct playlist *pl, int direction);
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void playlist_add_base_path(struct playlist *pl, bstr base_path);
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void playlist_transfer_entries(struct playlist *pl, struct playlist *source_pl);
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int playlist_entry_to_index(struct playlist *pl, struct playlist_entry *e);
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int playlist_entry_count(struct playlist *pl);
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struct playlist_entry *playlist_entry_from_index(struct playlist *pl, int index);
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#endif
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