avformat/wavdec: make fact chunk parsing for w64 more robust

Signed-off-by: Paul B Mahol <onemda@gmail.com>
7 years ago · 16ba6a8ad1
parent 32f85056b3
commit 16ba6a8ad1
1 changed files with 1 additions and 0 deletions
--- a/libavformat/wavdec.c
+++ b/libavformat/wavdec.c
@ -822,6 +822,7 @@ static int w64_read_header(AVFormatContext *s)
            samples = avio_rl64(pb);
            if (samples > 0)
                st->duration = samples;
+            avio_skip(pb, FFALIGN(size, INT64_C(8)) - 32);
        } else if (!memcmp(guid, ff_w64_guid_data, 16)) {
            wav->data_end = avio_tell(pb) + size - 24;