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authorOneric <oneric@oneric.de>2022-03-23 20:43:54 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2022-04-06 20:38:06 +0200
commitf160c24f77353f8049b66ce76f235afc08922f3a (patch)
tree738d90afeeafa62368f916284efd59bae5194601
parente1a5738b73b7136fcc118c4528409d34c54e7e4f (diff)
downloadffmpeg-f160c24f77353f8049b66ce76f235afc08922f3a.tar.gz
avfilter/vf_subtitles: pass storage size to libass
Due to a quirk of the ASS format some tags depend on the exact storage resolution of the video, so tell libass via ass_set_storage_size.
-rw-r--r--libavfilter/vf_subtitles.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/libavfilter/vf_subtitles.c b/libavfilter/vf_subtitles.c
index 61f8d90990..64ddc5fa9c 100644
--- a/libavfilter/vf_subtitles.c
+++ b/libavfilter/vf_subtitles.c
@@ -145,9 +145,16 @@ static int config_input(AVFilterLink *inlink)
ff_draw_init(&ass->draw, inlink->format, ass->alpha ? FF_DRAW_PROCESS_ALPHA : 0);
ass_set_frame_size (ass->renderer, inlink->w, inlink->h);
- if (ass->original_w && ass->original_h)
+ if (ass->original_w && ass->original_h) {
ass_set_aspect_ratio(ass->renderer, (double)inlink->w / inlink->h,
(double)ass->original_w / ass->original_h);
+#if LIBASS_VERSION > 0x01010000
+ ass_set_storage_size(ass->renderer, ass->original_w, ass->original_h);
+ } else {
+ ass_set_storage_size(ass->renderer, inlink->w, inlink->h);
+#endif
+ }
+
if (ass->shaping != -1)
ass_set_shaper(ass->renderer, ass->shaping);