/**
* \brief Convert subdata to ASS_Track
* \param subdata subtitles struct from subreader
* \param fps video framerate
* \return newly allocated ASS_Track, filled with subtitles from subdata
*/
ASS_Track *mp_ass_read_subdata(ASS_Library *library, sub_data *subdata,
double fps)
{
ASS_Track *track;
int i;
track = mp_ass_default_track(library);
track->name = subdata->filename ? strdup(subdata->filename) : 0;
for (i = 0; i < subdata->sub_num; ++i) {
int eid = ass_process_subtitle(track, subdata->subtitles + i);
if (eid < 0)
continue;
if (!subdata->sub_uses_time) {
track->events[eid].Start *= 100. / fps;
track->events[eid].Duration *= 100. / fps;
}
}
return track;
}
static void init(struct sh_sub *sh, struct osd_state *osd)
{
struct sd_ass_priv *ctx;
if (sh->initialized) {
ctx = sh->context;
} else {
ctx = talloc_zero(NULL, struct sd_ass_priv);
sh->context = ctx;
if (sh->type == 'a') {
ctx->ass_track = ass_new_track(osd->ass_library);
if (sh->extradata)
ass_process_codec_private(ctx->ass_track, sh->extradata,
sh->extradata_len);
} else
ctx->ass_track = mp_ass_default_track(osd->ass_library, sh->opts);
}
assert(osd->ass_track == NULL);
osd->ass_track = ctx->ass_track;
osd->vsfilter_aspect = sh->type == 'a';
osd->ass_track_changed = true;
}
