From bcceeec737844a4184c1256f6490acbd8a8d1611 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Sat, 1 Mar 2014 02:17:58 +0100
Subject: sd_ass: add a very simple and evil way to override ASS subtitle
 styles

--ass-style-override=force now attempts to override the 'Default' style.
May or may not work. In some situations it will work, but also mess up
seemingly unrelated things like signs typeset with ASS.
---
 sub/sd_ass.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'sub/sd_ass.c')

diff --git a/sub/sd_ass.c b/sub/sd_ass.c
index 8b6f1f1554..e4428516b9 100644
--- a/sub/sd_ass.c
+++ b/sub/sd_ass.c
@@ -128,6 +128,16 @@ static void decode(struct sd *sd, struct demux_packet *packet)
     event->Text = strdup(text);
 }
 
+static ASS_Style *find_style(ASS_Track *track, const char *name)
+{
+    for (int n = track->n_styles - 1; n >= 0; n--) {
+        const char *style_name = track->styles[n].Name;
+        if (style_name && strcasecmp(style_name, name) == 0)
+            return &track->styles[n];
+    }
+    return NULL;
+}
+
 static void get_bitmaps(struct sd *sd, struct mp_osd_res dim, double pts,
                         struct sub_bitmaps *res)
 {
@@ -137,6 +147,18 @@ static void get_bitmaps(struct sd *sd, struct mp_osd_res dim, double pts,
     if (pts == MP_NOPTS_VALUE || !sd->ass_renderer)
         return;
 
+    ASS_Style prev_default_style;
+    ASS_Style *default_style = NULL;
+    if (opts->ass_style_override == 2) {
+        default_style = find_style(ctx->ass_track, "Default");
+        if (default_style) {
+            prev_default_style = *default_style;
+            default_style->FontName = NULL; // don't free this
+            mp_ass_set_style(default_style, ctx->ass_track->PlayResY,
+                             opts->sub_text_style);
+        }
+    }
+
     ASS_Renderer *renderer = sd->ass_renderer;
     double scale = dim.display_par;
     if (!ctx->is_converted && (!opts->ass_style_override ||
@@ -166,6 +188,11 @@ static void get_bitmaps(struct sd *sd, struct mp_osd_res dim, double pts,
 
     if (!ctx->is_converted)
         mangle_colors(sd, res);
+
+    if (default_style) {
+        free(default_style->FontName);
+        *default_style = prev_default_style;
+    }
 }
 
 struct buf {
-- 
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