fixes issue 2052
patch by David Conrad
Originally committed as revision 24004 to svn://svn.ffmpeg.org/ffmpeg/trunk
if (matroska->prev_pkt &&
timecode != AV_NOPTS_VALUE &&
matroska->prev_pkt->pts == timecode &&
- matroska->prev_pkt->stream_index == st->index)
+ matroska->prev_pkt->stream_index == st->index &&
+ st->codec->codec_id == CODEC_ID_SSA)
matroska_merge_packets(matroska->prev_pkt, pkt);
else {
dynarray_add(&matroska->packets,&matroska->num_packets,pkt);