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Fix use of uninitialized memory in 4X Technologies demuxer.

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit a1876e0072)
This commit is contained in:
Laurent Aimar 2011-10-02 00:38:26 +02:00 committed by Michael Niedermayer
parent 86491c5dbc
commit 2e342df4a2
1 changed files with 4 additions and 2 deletions
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6
libavformat/4xm.c
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@ -172,14 +172,16 @@ static int fourxm_read_header(AVFormatContext *s,
goto fail;
}
if (current_track + 1 > fourxm->track_count) {
fourxm->track_count = current_track + 1;
fourxm->tracks = av_realloc_f(fourxm->tracks,
sizeof(AudioTrack),
fourxm->track_count);
current_track + 1);
if (!fourxm->tracks) {
ret= AVERROR(ENOMEM);
goto fail;
}
memset(&fourxm->tracks[fourxm->track_count], 0,
sizeof(AudioTrack) * (current_track + 1 - fourxm->track_count));
fourxm->track_count = current_track + 1;
}
fourxm->tracks[current_track].adpcm = AV_RL32(&header[i + 12]);
fourxm->tracks[current_track].channels = AV_RL32(&header[i + 36]);