diff options
Diffstat (limited to 'libass/ass_render.c')
| -rw-r--r-- | libass/ass_render.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/libass/ass_render.c b/libass/ass_render.c index de276412..67ecb9cb 100644 --- a/libass/ass_render.c +++ b/libass/ass_render.c @@ -2264,8 +2264,19 @@ ass_start_frame(ASS_Renderer *render_priv, ASS_Track *track, ass_shaper_set_level(render_priv->shaper, render_priv->settings.shaper); // PAR correction - render_priv->font_scale_x = render_priv->settings.aspect / - render_priv->settings.storage_aspect; + double par = render_priv->settings.par; + if (par == 0.) { + if (settings_priv->frame_width && settings_priv->frame_height && + settings_priv->storage_width && settings_priv->storage_height) { + double dar = ((double) settings_priv->frame_width) / + settings_priv->frame_height; + double sar = ((double) settings_priv->storage_width) / + settings_priv->storage_height; + par = sar / dar; + } else + par = 1.0; + } + render_priv->font_scale_x = par; render_priv->prev_images_root = render_priv->images_root; render_priv->images_root = 0; |