diff options
Diffstat (limited to 'libass')
| -rw-r--r-- | libass/ass_render.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libass/ass_render.c b/libass/ass_render.c index 0130076..64fdf58 100644 --- a/libass/ass_render.c +++ b/libass/ass_render.c @@ -3005,7 +3005,9 @@ fix_collisions(ASS_Renderer *render_priv, EventImages *imgs, int cnt) // fill used[] with fixed events for (i = 0; i < cnt; ++i) { ASS_RenderPriv *priv; - if (!imgs[i].detect_collisions) + // VSFilter considers events colliding if their intersections area is non-zero, + // zero-area events are therefore effectively fixed as well + if (!imgs[i].detect_collisions || !imgs[i].height || !imgs[i].width) continue; priv = get_render_priv(render_priv, imgs[i].event); if (priv && priv->height > 0) { // it's a fixed event @@ -3044,7 +3046,7 @@ fix_collisions(ASS_Renderer *render_priv, EventImages *imgs, int cnt) // try to fit other events in free spaces for (i = 0; i < cnt; ++i) { ASS_RenderPriv *priv; - if (!imgs[i].detect_collisions) + if (!imgs[i].detect_collisions || !imgs[i].height || !imgs[i].width) continue; priv = get_render_priv(render_priv, imgs[i].event); if (priv && priv->height == 0) { // not a fixed event |