-#define AV_TIMECODE_OPTION(ctx, string_field, flags) \
- "timecode", "set timecode value following hh:mm:ss[:;.]ff format, " \
- "use ';' or '.' before frame number for drop frame", \
- offsetof(ctx, string_field), \
- AV_OPT_TYPE_STRING, {.str=NULL}, CHAR_MIN, CHAR_MAX, flags
-