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| author | wm4 <wm4@nowhere> | 2020-03-19 12:58:23 +0100 |
|---|---|---|
| committer | Oleg Oshmyan <chortos@inbox.lv> | 2020-03-29 23:49:38 +0300 |
| commit | 3e088dc4e59714a7d150043e58de627d015b8051 (patch) | |
| tree | 9b7df0dce3e087977c3d5a9c65b975771a971327 /libass | |
| parent | f353ccf1f3efa6c4ccddee1713b62f1c49627619 (diff) | |
| download | libass-3e088dc4e59714a7d150043e58de627d015b8051.tar.bz2 libass-3e088dc4e59714a7d150043e58de627d015b8051.tar.xz | |
API: clarify how new fields can be added to public types
This just gives a minor hint that all fields are frozen, but that the
size of the structs are not part of the ABI.
Most importantly, ASS_Style and ASS_Event are completely ABI-frozen,
because ASS_Track has the "styles" and "events" arrays.
Diffstat (limited to 'libass')
| -rw-r--r-- | libass/ass.h | 2 | ||||
| -rw-r--r-- | libass/ass_types.h | 3 |
2 files changed, 5 insertions, 0 deletions
diff --git a/libass/ass.h b/libass/ass.h index cad25ae..78951a9 100644 --- a/libass/ass.h +++ b/libass/ass.h @@ -56,6 +56,7 @@ typedef struct ass_image { IMAGE_TYPE_SHADOW } type; + // New fields can be added here in new ABI-compatible library releases. } ASS_Image; /* @@ -170,6 +171,7 @@ typedef enum { * On dialogue events override: Justify */ ASS_OVERRIDE_BIT_JUSTIFY = 1 << 10, + // New enum values can be added here in new ABI-compatible library releases. } ASS_OverrideBits; /** diff --git a/libass/ass_types.h b/libass/ass_types.h index 88951a7..caa90aa 100644 --- a/libass/ass_types.h +++ b/libass/ass_types.h @@ -166,6 +166,7 @@ typedef enum ASS_YCbCrMatrix { YCBCR_SMPTE240M_PC, YCBCR_FCC_TV, YCBCR_FCC_PC + // New enum values can be added here in new ABI-compatible library releases. } ASS_YCbCrMatrix; /* @@ -205,6 +206,8 @@ typedef struct ass_track { ASS_Library *library; ASS_ParserPriv *parser_priv; + + // New fields can be added here in new ABI-compatible library releases. } ASS_Track; #endif /* LIBASS_TYPES_H */ |