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demux_mkv: avoid hang with some broken files

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Return failure to open file in one case that could lead to an infinite
loop with broken Matroska files before.
This commit is contained in:
Uoti Urpala 2011-09-25 18:35:09 +03:00
parent eb66a3fe07
commit c9e681fca3
1 changed files with 4 additions and 0 deletions
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4
libmpdemux/demux_mkv.c
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@ -1676,6 +1676,10 @@ static int demux_mkv_open(demuxer_t *demuxer)
while (1) {
uint32_t id = ebml_read_id(s, NULL);
if (s->eof) {
mp_tmsg(MSGT_DEMUX, MSGL_ERR, "[mkv] Unexpected end of file\n");
return 0;
}
if (id == MATROSKA_ID_CLUSTER) {
mp_msg(MSGT_DEMUX, MSGL_V, "[mkv] |+ found cluster, headers are "
"parsed completely :)\n");