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Add missing range/length check for video trak desc (fixes bug #335).

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@15950 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2005-07-10 09:05:14 +00:00
parent e795c4b11b
commit 628236e0c0
1 changed files with 8 additions and 1 deletions
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9
libmpdemux/demux_mov.c
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@ -801,9 +801,16 @@ static void lschunks(demuxer_t* demuxer,int level,off_t endpos,mov_track_t* trak
int hdr_ptr = 76; // the byte just after depth
unsigned char *palette_map;
sh_video_t* sh=new_sh_video(demuxer,priv->track_db);
int depth = trak->stdata[75]|(trak->stdata[74]<<8);
int depth;
sh->format=trak->fourcc;
if (trak->stdata_len < 78) {
mp_msg(MSGT_DEMUXER, MSGL_WARN,
"MOV: Invalid (%d bytes instead of >= 78) video trak desc\n",
trak->stdata_len);
break;
}
depth = trak->stdata[75] | (trak->stdata[74] << 8);
// stdata[]:
// 8 short version
// 10 short revision