osd: add --osd-status-msg option for custom OSD status

DOCS/man/en/options.rst

@@ -1404,6 +1404,12 @@
 
     Default: 0.
 
+--osd-status-msg=<string>
+    Show a custom string during playback instead of the standard status text.
+    This overrides the status text used for ``--osd-level=3``, when using the
+    ``show_progress`` command (by default mapped to ``P``), or in some
+    non-default cases when seeking. Expands properties. See ``--playing-msg``.
+
 --overlapsub
     Allows the next subtitle to be displayed while the current one is still
     visible (default is to enable the support only for specific formats). This

core/cfg-mplayer.h

@@ -678,6 +678,7 @@ const m_option_t mplayer_opts[]={
     OPT_STRING("term-osd-esc", term_osd_esc, 0, OPTDEF_STR("\x1b[A\r\x1b[K")),
     OPT_STRING("playing-msg", playing_msg, 0),
     OPT_STRING("status-msg", status_msg, 0),
+    OPT_STRING("osd-status-msg", osd_status_msg, 0),
 
     {"slave-broken", &slave_mode, CONF_TYPE_FLAG,CONF_GLOBAL , 0, 1, NULL},
     OPT_FLAG("idle", player_idle_mode, CONF_GLOBAL),

core/mplayer.c

@@ -1437,6 +1437,12 @@ static void sadd_osd_status(char **buffer, struct MPContext *mpctx, bool full)
         }
     }
     saddf_osd_function_sym(buffer, sym);
+    char *custom_msg = mpctx->opts.osd_status_msg;
+    if (custom_msg && full) {
+        char *text = mp_property_expand_string(mpctx, custom_msg);
+        *buffer = talloc_strdup_append(*buffer, text);
+        talloc_free(text);
+    } else {
         sadd_hhmmssff(buffer, get_current_time(mpctx), fractions);
         if (full) {
             saddf(buffer, " / ");
@@ -1444,6 +1450,7 @@ static void sadd_osd_status(char **buffer, struct MPContext *mpctx, bool full)
             sadd_percentage(buffer, get_percent_pos(mpctx));
         }
     }
+}
 
 // OSD messages initated by seeking commands are added lazily with this
 // function, because multiple successive seek commands can be coalesced.

core/options.h

@@ -77,6 +77,7 @@ typedef struct MPOpts {
     char *term_osd_esc;
     char *playing_msg;
     char *status_msg;
+    char *osd_status_msg;
     int player_idle_mode;
     int consolecontrols;
     int doubleclick_time;