-static int srt_get_duration(uint8_t **buf)
-{
- int i, duration = 0;
-
- for (i = 0; i < 2 && !duration; i++) {
- int s_hour, s_min, s_sec, s_hsec, e_hour, e_min, e_sec, e_hsec;
- if (sscanf(*buf, "%d:%2d:%2d%*1[,.]%3d --> %d:%2d:%2d%*1[,.]%3d",
- &s_hour, &s_min, &s_sec, &s_hsec,
- &e_hour, &e_min, &e_sec, &e_hsec) == 8) {
- s_min += 60 * s_hour;
- e_min += 60 * e_hour;
- s_sec += 60 * s_min;
-
- e_sec += 60 * e_min;
- s_hsec += 1000 * s_sec;
- e_hsec += 1000 * e_sec;
-
- duration = e_hsec - s_hsec;
- }
- *buf += ff_subtitles_next_line(*buf);
- }
- return duration;
-}
-
-static int mkv_write_srt_blocks(AVFormatContext *s, AVIOContext *pb,
- AVPacket *pkt)
-{
- ebml_master blockgroup;
- AVPacket pkt2 = *pkt;
- int64_t duration = srt_get_duration(&pkt2.data);
- pkt2.size -= pkt2.data - pkt->data;
-
- blockgroup = start_ebml_master(pb, MATROSKA_ID_BLOCKGROUP,
- mkv_blockgroup_size(pkt2.size));
- mkv_write_block(s, pb, MATROSKA_ID_BLOCK, &pkt2, 0);
- put_ebml_uint(pb, MATROSKA_ID_BLOCKDURATION, duration);
- end_ebml_master(pb, blockgroup);
-
- return duration;
-}
-