diff options
author | Tomas Härdin <tomas.hardin@codemill.se> | 2012-01-26 16:21:41 +0400 |
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committer | Diego Biurrun <diego@biurrun.de> | 2012-02-09 15:54:14 +0400 |
commit | 9123950be0dbbfceacb38c0a9b09fdb01ae5b111 (patch) | |
tree | dea25b72073eacdd0107fcd3a5958307a37da42f /libavformat | |
parent | d00257e96a777587085edc411a45fd3e6ca27939 (diff) |
mxfdec: Don't crash in mxf_packet_timestamps() if current_edit_unit overflows
Signed-off-by: Diego Biurrun <diego@biurrun.de>
Diffstat (limited to 'libavformat')
-rw-r--r-- | libavformat/mxfdec.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c index 25d8c2b4c6..5043d4eee3 100644 --- a/libavformat/mxfdec.c +++ b/libavformat/mxfdec.c @@ -1798,7 +1798,7 @@ static void mxf_packet_timestamps(MXFContext *mxf, AVPacket *pkt) return; /* find mxf->current_edit_unit so that the next edit unit starts ahead of pkt->pos */ - for (;;) { + while (mxf->current_edit_unit >= 0) { if (mxf_edit_unit_absolute_offset(mxf, t, mxf->current_edit_unit + 1, NULL, &next_ofs, 0) < 0) break; @@ -1817,7 +1817,7 @@ static void mxf_packet_timestamps(MXFContext *mxf, AVPacket *pkt) mxf->current_edit_unit++; } - if (mxf->current_edit_unit >= t->nb_ptses) + if (mxf->current_edit_unit < 0 || mxf->current_edit_unit >= t->nb_ptses) return; pkt->dts = mxf->current_edit_unit + t->first_dts; |