[FFmpeg-cvslog] lavc/libaribb24: use integer math to calculate font scaling

[Jan Ekström]

ffmpeg | branch: master | Jan Ekström <jeebjp at gmail.com> | Mon Feb 11 03:01:51 2019 +0200| [466cb4ed56a12d0081ed7005a8e8663d1b8806ca] | committer: Jan Ekström

lavc/libaribb24: use integer math to calculate font scaling

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=466cb4ed56a12d0081ed7005a8e8663d1b8806ca
---

 libavcodec/libaribb24.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/libavcodec/libaribb24.c b/libavcodec/libaribb24.c
index 28f20ca767..3a59938451 100644
--- a/libavcodec/libaribb24.c
+++ b/libavcodec/libaribb24.c
@@ -249,11 +249,11 @@ static int libaribb24_handle_regions(AVCodecContext *avctx, AVSubtitle *sub)
         // font size
         if (region->i_fontwidth  != profile_font_size ||
             region->i_fontheight != profile_font_size) {
-            av_bprintf(&buf, "{\\fscx%d\\fscy%d}",
-                       (int)round(((double)region->i_fontwidth /
-                                   (double)profile_font_size) * 100),
-                       (int)round(((double)region->i_fontheight /
-                                   (double)profile_font_size) * 100));
+            av_bprintf(&buf, "{\\fscx%"PRId64"\\fscy%"PRId64"}",
+                       av_rescale(region->i_fontwidth, 100,
+                                  profile_font_size),
+                       av_rescale(region->i_fontheight, 100,
+                                  profile_font_size));
         }
 
         // TODO: positioning