-#if FF_API_ASS_TIMING
-static void insert_ts(AVBPrint *buf, int ts)
-{
- if (ts == -1) {
- av_bprintf(buf, "9:59:59.99,");
- } else {
- int h, m, s;
-
- h = ts/360000; ts -= 360000*h;
- m = ts/ 6000; ts -= 6000*m;
- s = ts/ 100; ts -= 100*s;
- av_bprintf(buf, "%d:%02d:%02d.%02d,", h, m, s, ts);
- }
-}
-
-static int convert_sub_to_old_ass_form(AVSubtitle *sub, const AVPacket *pkt, AVRational tb)
-{
- int i;
- AVBPrint buf;
-
- av_bprint_init(&buf, 0, AV_BPRINT_SIZE_UNLIMITED);
-
- for (i = 0; i < sub->num_rects; i++) {
- char *final_dialog;
- const char *dialog;
- AVSubtitleRect *rect = sub->rects[i];
- int ts_start, ts_duration = -1;
- long int layer;
-
- if (rect->type != SUBTITLE_ASS || !strncmp(rect->ass, "Dialogue: ", 10))
- continue;
-
- av_bprint_clear(&buf);
-
- /* skip ReadOrder */
- dialog = strchr(rect->ass, ',');
- if (!dialog)
- continue;
- dialog++;
-
- /* extract Layer or Marked */
- layer = strtol(dialog, (char**)&dialog, 10);
- if (*dialog != ',')
- continue;
- dialog++;
-
- /* rescale timing to ASS time base (ms) */
- ts_start = av_rescale_q(pkt->pts, tb, av_make_q(1, 100));
- if (pkt->duration != -1)
- ts_duration = av_rescale_q(pkt->duration, tb, av_make_q(1, 100));
- sub->end_display_time = FFMAX(sub->end_display_time, 10 * ts_duration);
-
- /* construct ASS (standalone file form with timestamps) string */
- av_bprintf(&buf, "Dialogue: %ld,", layer);
- insert_ts(&buf, ts_start);
- insert_ts(&buf, ts_duration == -1 ? -1 : ts_start + ts_duration);
- av_bprintf(&buf, "%s\r\n", dialog);
-
- final_dialog = av_strdup(buf.str);
- if (!av_bprint_is_complete(&buf) || !final_dialog) {
- av_freep(&final_dialog);
- av_bprint_finalize(&buf, NULL);
- return AVERROR(ENOMEM);
- }
- av_freep(&rect->ass);
- rect->ass = final_dialog;
- }
-
- av_bprint_finalize(&buf, NULL);
- return 0;
-}
-#endif
-