player: remove unused mutate argument in mp_next_file

e277fadd60350caad1fc31e92a5076692e61dcc9 originally added this but it
never actually did anything in the function... wm4 probably changed his
mind but forget to delete it so just remove it here.

3 files changed, 6 insertions, 7 deletions

diff --git a/player/command.c b/player/command.c
index ef4dbd42c0..efb2436194 100644
--- a/player/command.c
+++ b/player/command.c
@@ -5310,7 +5310,7 @@ static void cmd_playlist_next_prev(void *p)
     int dir = *(int *)cmd->priv;
     int force = cmd->args[0].v.i;
 
-    struct playlist_entry *e = mp_next_file(mpctx, dir, force, true);
+    struct playlist_entry *e = mp_next_file(mpctx, dir, force);
     if (!e && !force) {
         cmd->success = false;
         return;
diff --git a/player/core.h b/player/core.h
index be06e4dc98..556620cf8a 100644
--- a/player/core.h
+++ b/player/core.h
@@ -523,7 +523,7 @@ struct track *mp_track_by_tid(struct MPContext *mpctx, enum stream_type type,
 void add_demuxer_tracks(struct MPContext *mpctx, struct demuxer *demuxer);
 bool mp_remove_track(struct MPContext *mpctx, struct track *track);
 struct playlist_entry *mp_next_file(struct MPContext *mpctx, int direction,
-                                    bool force, bool mutate);
+                                    bool force);
 void mp_set_playlist_entry(struct MPContext *mpctx, struct playlist_entry *e);
 void mp_play_files(struct MPContext *mpctx);
 void update_demuxer_properties(struct MPContext *mpctx);
diff --git a/player/loadfile.c b/player/loadfile.c
index 3fcc7b633d..2efdf81e43 100644
--- a/player/loadfile.c
+++ b/player/loadfile.c
@@ -1298,7 +1298,7 @@ void prefetch_next(struct MPContext *mpctx)
     if (!mpctx->opts->prefetch_open)
         return;
 
-    struct playlist_entry *new_entry = mp_next_file(mpctx, +1, false, false);
+    struct playlist_entry *new_entry = mp_next_file(mpctx, +1, false);
     if (new_entry && !mpctx->open_active && new_entry->filename) {
         MP_VERBOSE(mpctx, "Prefetching: %s\n", new_entry->filename);
         start_open(mpctx, new_entry->filename, new_entry->stream_flags, true);
@@ -1941,7 +1941,7 @@ terminate_playback:
     process_hooks(mpctx, "on_after_end_file");
 
     if (playlist_prev_continue) {
-        struct playlist_entry *e = mp_next_file(mpctx, -1, false, true);
+        struct playlist_entry *e = mp_next_file(mpctx, -1, false);
         if (e) {
             mp_set_playlist_entry(mpctx, e);
             play_current_file(mpctx);
@@ -1953,9 +1953,8 @@ terminate_playback:
 // it can have side-effects and mutate mpctx.
 //  direction: -1 (previous) or +1 (next)
 //  force: if true, don't skip playlist entries marked as failed
-//  mutate: if true, change loop counters
 struct playlist_entry *mp_next_file(struct MPContext *mpctx, int direction,
-                                    bool force, bool mutate)
+                                    bool force)
 {
     struct playlist_entry *next = playlist_get_next(mpctx->playlist, direction);
     if (next && direction < 0 && !force) {
@@ -2027,7 +2026,7 @@ void mp_play_files(struct MPContext *mpctx)
         if (mpctx->stop_play == PT_NEXT_ENTRY || mpctx->stop_play == PT_ERROR ||
             mpctx->stop_play == AT_END_OF_FILE)
         {
-            new_entry = mp_next_file(mpctx, +1, false, true);
+            new_entry = mp_next_file(mpctx, +1, false);
         } else if (mpctx->stop_play == PT_CURRENT_ENTRY) {
             new_entry = mpctx->playlist->current;
         }