*/
static void mxf_packet_timestamps(MXFContext *mxf, AVPacket *pkt)
{
- int64_t next_ofs;
+ int64_t last_ofs = -1, next_ofs;
MXFIndexTable *t = &mxf->index_tables[0];
/* this is called from the OP1a demuxing logic, which means there
if (mxf_edit_unit_absolute_offset(mxf, t, mxf->current_edit_unit + 1, NULL, &next_ofs, 0) < 0)
break;
+ if (next_ofs <= last_ofs) {
+ /* large next_ofs didn't change or current_edit_unit wrapped
+ * around this fixes the infinite loop on zzuf3.mxf */
+ av_log(mxf->fc, AV_LOG_ERROR,
+ "next_ofs didn't change. not deriving packet timestamps\n");
+ return;
+ }
+
if (next_ofs > pkt->pos)
break;
+ last_ofs = next_ofs;
mxf->current_edit_unit++;
}