diff options
| -rw-r--r-- | libass/ass_render_api.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libass/ass_render_api.c b/libass/ass_render_api.c index 70cf174..4790565 100644 --- a/libass/ass_render_api.c +++ b/libass/ass_render_api.c @@ -51,6 +51,8 @@ static void ass_reconfigure(ASS_Renderer *priv) void ass_set_frame_size(ASS_Renderer *priv, int w, int h) { + if (w < 0 || h < 0) + w = h = 0; if (priv->settings.frame_width != w || priv->settings.frame_height != h) { priv->settings.frame_width = w; priv->settings.frame_height = h; @@ -60,6 +62,8 @@ void ass_set_frame_size(ASS_Renderer *priv, int w, int h) void ass_set_storage_size(ASS_Renderer *priv, int w, int h) { + if (w < 0 || h < 0) + w = h = 0; if (priv->settings.storage_width != w || priv->settings.storage_height != h) { priv->settings.storage_width = w; @@ -101,6 +105,7 @@ void ass_set_aspect_ratio(ASS_Renderer *priv, double dar, double sar) void ass_set_pixel_aspect(ASS_Renderer *priv, double par) { + if (par < 0) par = 0; if (priv->settings.par != par) { priv->settings.par = par; ass_reconfigure(priv); |