From 2eb1d721838a83eca9e81473468637f63481a97f Mon Sep 17 00:00:00 2001 From: Grigori Goronzy Date: Sat, 6 Feb 2010 04:02:16 +0100 Subject: [PATCH] Do not try to render if fonts have not been configured --- libass/ass.h | 2 ++ libass/ass_render.c | 3 +++ 2 files changed, 5 insertions(+) diff --git a/libass/ass.h b/libass/ass.h index c3a91e0..d03753b 100644 --- a/libass/ass.h +++ b/libass/ass.h @@ -205,6 +205,8 @@ void ass_set_line_spacing(ASS_Renderer *priv, double line_spacing); * if fontconfig is used. * \param update whether fontconfig cache should be built/updated now. Only * relevant if fontconfig is used. + * + * NOTE: font lookup must be configured before an ASS_Renderer can be used. */ void ass_set_fonts(ASS_Renderer *priv, const char *default_font, const char *default_family, int fc, const char *config, diff --git a/libass/ass_render.c b/libass/ass_render.c index dda0184..9b1ff6a 100644 --- a/libass/ass_render.c +++ b/libass/ass_render.c @@ -2324,6 +2324,9 @@ ass_start_frame(ASS_Renderer *render_priv, ASS_Track *track, if (render_priv->library != track->library) return 1; + if (!render_priv->fontconfig_priv) + return 1; + free_list_clear(render_priv); if (track->n_events == 0) -- 2.49.0