diff options
| -rw-r--r-- | libavformat/wtvdec.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavformat/wtvdec.c b/libavformat/wtvdec.c index 48f51ad913..ce767549a4 100644 --- a/libavformat/wtvdec.c +++ b/libavformat/wtvdec.c @@ -153,6 +153,7 @@ static AVIOContext * wtvfile_open_sector(int first_sector, uint64_t length, int AVIOContext *pb; WtvFile *wf; uint8_t *buffer; + int64_t size; if (seek_by_sector(s->pb, first_sector, 0) < 0) return NULL; @@ -205,7 +206,8 @@ static AVIOContext * wtvfile_open_sector(int first_sector, uint64_t length, int return NULL; } - if ((int64_t)wf->sectors[wf->nb_sectors - 1] << WTV_SECTOR_BITS > avio_size(s->pb)) + size = avio_size(s->pb); + if (size >= 0 && (int64_t)wf->sectors[wf->nb_sectors - 1] << WTV_SECTOR_BITS > size) av_log(s, AV_LOG_WARNING, "truncated file\n"); /* check length */ |