From 0a6f00a07f131a695f675c2a8f4e4635e50b2efd Mon Sep 17 00:00:00 2001
From: greg <greg@blackbox>
Date: Fri, 19 Jun 2009 05:16:30 +0200
Subject: Warn on \pos, \move redefinitions

Optionally output a warning when a \pos or \move is redefined in a
single subtitle line.
---
 libass/ass_render.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'libass')

diff --git a/libass/ass_render.c b/libass/ass_render.c
index 829716ce..f4f4396c 100644
--- a/libass/ass_render.c
+++ b/libass/ass_render.c
@@ -1018,7 +1018,10 @@ static char* parse_tag(char* p, double pwr) {
 		mystrtod(&p, &v2);
 		skip(')');
 		mp_msg(MSGT_ASS, MSGL_DBG2, "pos(%f, %f)\n", v1, v2);
-		if (render_context.evt_type != EVENT_POSITIONED) {
+		if (render_context.evt_type == EVENT_POSITIONED) {
+			mp_msg(MSGT_ASS, MSGL_V, "Subtitle has a new \\pos "
+			       "after \\move or \\pos, ignoring\n");
+		} else {
 			render_context.evt_type = EVENT_POSITIONED;
 			render_context.detect_collisions = 0;
 			render_context.pos_x = v1;
-- 
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