Fix \t(\frz) handling.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@22226 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 2 insertions, 4 deletions

diff --git a/libass/ass_render.c b/libass/ass_render.c
index 1bd7feb981..1f7cd11615 100644
--- a/libass/ass_render.c
+++ b/libass/ass_render.c
@@ -773,12 +773,10 @@ static char* parse_tag(char* p, double pwr) {
 		mystrtod(&p, &val);
 		mp_msg(MSGT_ASS, MSGL_V, "frx/fry unimplemented \n");
 	} else if (mystrcmp(&p, "frz") || mystrcmp(&p, "fr")) {
-		double angle;
 		double val;
 		mystrtod(&p, &val);
-		mp_msg(MSGT_ASS, MSGL_DBG2, "setting rotation to %.2f\n", val * pwr);
-		angle = M_PI * val / 180;
-		render_context.rotation = angle * pwr;
+		val *= M_PI / 180;
+		render_context.rotation = val * pwr + render_context.rotation * (1-pwr);
 	} else if (mystrcmp(&p, "fn")) {
 		char* start = p;
 		char* family;