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Merge commit '640a2427aafa774b83316b7a8c5c2bdc28bfd269'

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* commit '640a2427aafa774b83316b7a8c5c2bdc28bfd269':
  bfi: Add some very basic sanity checks for input packet sizes

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-09-30 00:13:03 +02:00
commit ccb6b056df
1 changed files with 4 additions and 0 deletions
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libavformat/bfi.c
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@ -136,6 +136,10 @@ static int bfi_read_packet(AVFormatContext * s, AVPacket * pkt)
video_offset = avio_rl32(pb);
audio_size = video_offset - audio_offset;
bfi->video_size = chunk_size - video_offset;
if (audio_size < 0 || bfi->video_size < 0) {
av_log(s, AV_LOG_ERROR, "Invalid audio/video offsets or chunk size\n");
return AVERROR_INVALIDDATA;
}
//Tossing an audio packet at the audio decoder.
ret = av_get_packet(pb, pkt, audio_size);