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| author | Oleg Oshmyan <chortos@inbox.lv> | 2015-05-23 02:35:21 +0300 |
|---|---|---|
| committer | Oleg Oshmyan <chortos@inbox.lv> | 2015-05-25 00:16:57 +0300 |
| commit | 3bbd058c6d5c8b953fd80658ae696a16ff928896 (patch) | |
| tree | b0d482e13b09f3e7274b2a51a43a24cb8eb1ff8f /libass/ass_render.c | |
| parent | 546f5004a4d7e4c8688ffce591763b53afc792cf (diff) | |
| download | libass-3bbd058c6d5c8b953fd80658ae696a16ff928896.tar.bz2 libass-3bbd058c6d5c8b953fd80658ae696a16ff928896.tar.xz | |
Apply fade only when the fade alpha is positive (like VSFilter)
Diffstat (limited to 'libass/ass_render.c')
| -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 18ddea4..f471c81 100644 --- a/libass/ass_render.c +++ b/libass/ass_render.c @@ -1950,8 +1950,10 @@ static int parse_events(ASS_Renderer *render_priv, ASS_Event *event) info->font = render_priv->state.font; for (i = 0; i < 4; ++i) { uint32_t clr = render_priv->state.c[i]; - change_alpha(&clr, - mult_alpha(_a(clr), render_priv->state.fade), 1.); + // VSFilter compatibility: apply fade only when it's positive + if (render_priv->state.fade > 0) + change_alpha(&clr, + mult_alpha(_a(clr), render_priv->state.fade), 1.); info->c[i] = clr; } |