int ff_ass_add_rect(AVSubtitle *sub, const char *dialog,
int ts_start, int duration, int raw)
{
AVBPrint buf;
int ret, dlen;
AVSubtitleRect **rects;
av_bprint_init(&buf, 0, AV_BPRINT_SIZE_UNLIMITED);
if (!raw) {
av_bprintf(&buf, "Dialogue: 0,");
insert_ts(&buf, ts_start);
insert_ts(&buf, duration == -1 ? -1 : ts_start + duration);
av_bprintf(&buf, "Default,");
}
dlen = strcspn(dialog, "\n");
dlen += dialog[dlen] == '\n';
av_bprintf(&buf, "%.*s", dlen, dialog);
if (!av_bprint_is_complete(&buf))
return AVERROR(ENOMEM);
rects = av_realloc(sub->rects, (sub->num_rects+1) * sizeof(*sub->rects));
if (!rects)
return AVERROR(ENOMEM);
sub->rects = rects;
sub->end_display_time = FFMAX(sub->end_display_time, 10 * duration);
rects[sub->num_rects] = av_mallocz(sizeof(*rects[0]));
rects[sub->num_rects]->type = SUBTITLE_ASS;
ret = av_bprint_finalize(&buf, &rects[sub->num_rects]->ass);
if (ret < 0)
return ret;
sub->num_rects++;
return dlen;
}
int ff_ass_bprint_dialog(AVBPrint *buf, const char *dialog,
int ts_start, int duration, int raw)
{
int dlen;
if (!raw || raw == 2) {
long int layer = 0;
if (raw == 2) {
/* skip ReadOrder */
dialog = strchr(dialog, ',');
if (!dialog)
return AVERROR_INVALIDDATA;
dialog++;
/* extract Layer or Marked */
layer = strtol(dialog, (char**)&dialog, 10);
if (*dialog != ',')
return AVERROR_INVALIDDATA;
dialog++;
}
av_bprintf(buf, "Dialogue: %ld,", layer);
insert_ts(buf, ts_start);
insert_ts(buf, duration == -1 ? -1 : ts_start + duration);
if (raw != 2)
av_bprintf(buf, "Default,,0,0,0,,");
}
dlen = strcspn(dialog, "\n");
dlen += dialog[dlen] == '\n';
av_bprintf(buf, "%.*s", dlen, dialog);
if (raw == 2)
av_bprintf(buf, "\r\n");
return dlen;
}
