basic type mechanism working

1 files changed, 5 insertions, 1 deletions

diff --git a/ffmpeg/libavformat/iff.c b/ffmpeg/libavformat/iff.c
index 1efc147..b5751c5 100644
--- a/ffmpeg/libavformat/iff.c
+++ b/ffmpeg/libavformat/iff.c
@@ -462,6 +462,10 @@ static int iff_read_packet(AVFormatContext *s,
         buf = pkt->data;
         bytestream_put_be16(&buf, 2);
         ret = avio_read(pb, buf, iff->body_size);
+        if (ret<0) {
+            av_free_packet(pkt);
+        } else if (ret < iff->body_size)
+            av_shrink_packet(pkt, ret + 2);
     } else {
         av_assert0(0);
     }
@@ -481,5 +485,5 @@ AVInputFormat ff_iff_demuxer = {
     .read_probe     = iff_probe,
     .read_header    = iff_read_header,
     .read_packet    = iff_read_packet,
-    .flags          = AVFMT_GENERIC_INDEX,
+    .flags          = AVFMT_GENERIC_INDEX | AVFMT_NO_BYTE_SEEK,
 };