X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fau.c;h=b78d1ac18ef8a8421841518dd0576df4ec54b63f;hb=31dfe20dd2fe16c2a3a6816d140b8a32dbdc06ba;hp=67e6cab1815165a4b20befde7f473a26d6b456f4;hpb=6101e5322f083a806fd92a6261ff3197fdd0f5e7;p=ffmpeg

diff --git a/libavformat/au.c b/libavformat/au.c
index 67e6cab1815..b78d1ac18ef 100644
--- a/libavformat/au.c
+++ b/libavformat/au.c
@@ -150,6 +150,11 @@ static int au_read_header(AVFormatContext *s)
         return AVERROR_INVALIDDATA;
     }
 
+    if (channels == 0 || channels > 64) {
+        av_log(s, AV_LOG_ERROR, "Invalid number of channels %d\n", channels);
+        return AVERROR_INVALIDDATA;
+    }
+
     if (size >= 24) {
         /* skip unused data */
         avio_skip(pb, size - 24);
@@ -165,7 +170,7 @@ static int au_read_header(AVFormatContext *s)
     st->codec->channels = channels;
     st->codec->sample_rate = rate;
     if (data_size != AU_UNKNOWN_SIZE)
-    st->duration = (((int64_t)data_size)<<3) / (st->codec->channels * bps);
+    st->duration = (((int64_t)data_size)<<3) / (st->codec->channels * (int64_t)bps);
     avpriv_set_pts_info(st, 64, 1, rate);
     return 0;
 }
@@ -182,11 +187,8 @@ static int au_read_packet(AVFormatContext *s,
                        av_get_bits_per_sample(s->streams[0]->codec->codec_id) >> 3);
     if (ret < 0)
         return ret;
+    pkt->flags &= ~AV_PKT_FLAG_CORRUPT;
     pkt->stream_index = 0;
-
-    /* note: we need to modify the packet size here to handle the last
-       packet */
-    pkt->size = ret;
     return 0;
 }