diff options
Diffstat (limited to 'libass/ass.h')
| -rw-r--r-- | libass/ass.h | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/libass/ass.h b/libass/ass.h index 78951a9..35aeeb7 100644 --- a/libass/ass.h +++ b/libass/ass.h @@ -24,7 +24,7 @@ #include <stdarg.h> #include "ass_types.h" -#define LIBASS_VERSION 0x01400000 +#define LIBASS_VERSION 0x01400001 #ifdef __cplusplus extern "C" { @@ -199,6 +199,19 @@ typedef enum { ASS_FONTPROVIDER_DIRECTWRITE, } ASS_DefaultFontProvider; +typedef enum { + /** + * Enable libass extensions that would display ASS subtitles incorrectly. + * These may be useful for applications, which use libass as renderer for + * subtitles converted from another format, or which use libass for other + * purposes that do not involve actual ASS subtitles authored for + * distribution. + */ + ASS_FEATURE_INCOMPATIBLE_EXTENSIONS, + + // New enum values can be added here in new ABI-compatible library releases. +} ASS_Feature; + /** * \brief Initialize the library. * \return library handle or NULL if failed @@ -513,6 +526,23 @@ ASS_Image *ass_render_frame(ASS_Renderer *priv, ASS_Track *track, ASS_Track *ass_new_track(ASS_Library *); /** + * \brief Enable or disable certain features + * This manages flags that control the behavior of the renderer and how certain + * tags etc. within the track are interpreted. The defaults on a newly created + * ASS_Track are such that rendering is compatible with traditional renderers + * like VSFilter, and/or old versions of libass. Calling ass_process_data() or + * ass_process_codec_private() may change some of these flags according to file + * headers. (ass_process_chunk() will not change any of the flags.) + * Additions to ASS_Feature are backward compatible to old libass releases (ABI + * compatibility). + * \param track track + * \param feature the specific feature to enable or disable + * \param enable 0 for disable, any non-0 value for enable + * \return 0 if feature set, -1 if feature is unknown + */ +int ass_track_set_feature(ASS_Track *track, ASS_Feature feature, int enable); + +/** * \brief Deallocate track and all its child objects (styles and events). * \param track track to deallocate */ |