sub: remove unused function, move another one

mp_ass_default_track() was not used by anything anymore (commit 5a89150a
got rid of it). mp_ass_add_default_styles() is used by sd_ass.c only.

3 files changed, 24 insertions, 40 deletions

diff --git a/sub/ass_mp.c b/sub/ass_mp.c
index df32d17ce6..b30b9964de 100644
--- a/sub/ass_mp.c
+++ b/sub/ass_mp.c
@@ -78,42 +78,6 @@ void mp_ass_set_style(ASS_Style *style, double res_y,
     style->Bold = opts->bold;
 }
 
-// Add default styles, if the track does not have any styles yet.
-// Apply style overrides if the user provides any.
-void mp_ass_add_default_styles(ASS_Track *track, struct MPOpts *opts)
-{
-    if (opts->ass_styles_file && opts->ass_style_override)
-        ass_read_styles(track, opts->ass_styles_file, NULL);
-
-    if (track->n_styles == 0) {
-        if (!track->PlayResY) {
-            track->PlayResY = MP_ASS_FONT_PLAYRESY;
-            track->PlayResX = track->PlayResY * 4 / 3;
-        }
-        track->Kerning = true;
-        int sid = ass_alloc_style(track);
-        track->default_style = sid;
-        ASS_Style *style = track->styles + sid;
-        style->Name = strdup("Default");
-        mp_ass_set_style(style, track->PlayResY, opts->sub_text_style);
-    }
-
-    if (opts->ass_style_override)
-        ass_process_force_style(track);
-}
-
-ASS_Track *mp_ass_default_track(ASS_Library *library, struct MPOpts *opts)
-{
-    ASS_Track *track = ass_new_track(library);
-
-    track->track_type = TRACK_TYPE_ASS;
-    track->Timer = 100.;
-
-    mp_ass_add_default_styles(track, opts);
-
-    return track;
-}
-
 void mp_ass_configure_fonts(ASS_Renderer *priv, struct osd_style_opts *opts,
                             struct mpv_global *global, struct mp_log *log)
 {
diff --git a/sub/ass_mp.h b/sub/ass_mp.h
index 176ad50c82..98311824ab 100644
--- a/sub/ass_mp.h
+++ b/sub/ass_mp.h
@@ -47,10 +47,6 @@ struct osd_style_opts;
 void mp_ass_set_style(ASS_Style *style, double res_y,
                       const struct osd_style_opts *opts);
 
-void mp_ass_add_default_styles(ASS_Track *track, struct MPOpts *opts);
-
-ASS_Track *mp_ass_default_track(ASS_Library *library, struct MPOpts *opts);
-
 void mp_ass_configure_fonts(ASS_Renderer *priv, struct osd_style_opts *opts,
                             struct mpv_global *global, struct mp_log *log);
 ASS_Library *mp_ass_init(struct mpv_global *global, struct mp_log *log);
diff --git a/sub/sd_ass.c b/sub/sd_ass.c
index 97ca3fad6d..55c8d760e8 100644
--- a/sub/sd_ass.c
+++ b/sub/sd_ass.c
@@ -51,6 +51,30 @@ struct sd_ass_priv {
 static void mangle_colors(struct sd *sd, struct sub_bitmaps *parts);
 static void fill_plaintext(struct sd *sd, double pts);
 
+// Add default styles, if the track does not have any styles yet.
+// Apply style overrides if the user provides any.
+static void mp_ass_add_default_styles(ASS_Track *track, struct MPOpts *opts)
+{
+    if (opts->ass_styles_file && opts->ass_style_override)
+        ass_read_styles(track, opts->ass_styles_file, NULL);
+
+    if (track->n_styles == 0) {
+        if (!track->PlayResY) {
+            track->PlayResY = MP_ASS_FONT_PLAYRESY;
+            track->PlayResX = track->PlayResY * 4 / 3;
+        }
+        track->Kerning = true;
+        int sid = ass_alloc_style(track);
+        track->default_style = sid;
+        ASS_Style *style = track->styles + sid;
+        style->Name = strdup("Default");
+        mp_ass_set_style(style, track->PlayResY, opts->sub_text_style);
+    }
+
+    if (opts->ass_style_override)
+        ass_process_force_style(track);
+}
+
 static bool supports_format(const char *format)
 {
     // ass-text is produced by converters and the subreader.c ssa parser; this