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ape: Fix null ptr dereference with files missing a seekatable.

Such files are currently not supported as the table is used at several points

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit e7cb161515)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
tags/n0.7.13
Michael Niedermayer 13 years ago
parent
commit
b3e5c8de6a
1 changed files with 3 additions and 0 deletions
  1. +3
    -0
      libavformat/ape.c

+ 3
- 0
libavformat/ape.c View File

@@ -274,6 +274,9 @@ static int ape_read_header(AVFormatContext * s, AVFormatParameters * ap)
return AVERROR(ENOMEM);
for (i = 0; i < ape->seektablelength / sizeof(uint32_t); i++)
ape->seektable[i] = avio_rl32(pb);
}else{
av_log(s, AV_LOG_ERROR, "Missing seektable\n");
return -1;
}

ape->frames[0].pos = ape->firstframe;


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