diff options
| -rw-r--r-- | libavformat/4xm.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/libavformat/4xm.c b/libavformat/4xm.c index 6224134948..1557c5b5a4 100644 --- a/libavformat/4xm.c +++ b/libavformat/4xm.c @@ -173,13 +173,15 @@ 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(fourxm->tracks, - fourxm->track_count * sizeof(AudioTrack)); + (current_track + 1) * sizeof(AudioTrack)); if (!fourxm->tracks) { - ret= AVERROR(ENOMEM); + 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]); |