X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fasfdec.c;h=1f8b25c9102a154126d08b316321d115dc22deb9;hb=587e3c3426be5f3a457c0c6542e70014e7f58402;hp=a9b032682d57d84b3b5adf607e5d332ebdde8e7c;hpb=3f5f955c5366de1f0dc643d9631b6cc19ba008cd;p=ffmpeg

diff --git a/libavformat/asfdec.c b/libavformat/asfdec.c
index a9b032682d5..1f8b25c9102 100644
--- a/libavformat/asfdec.c
+++ b/libavformat/asfdec.c
@@ -1191,6 +1191,7 @@ static int asf_parse_packet(AVFormatContext *s, AVIOContext *pb, AVPacket *pkt)
             asf_st->pkt.dts          = asf->packet_frag_timestamp - asf->hdr.preroll;
             asf_st->pkt.stream_index = asf->stream_index;
             asf_st->pkt.pos          = asf_st->packet_pos = asf->packet_pos;
+            asf_st->pkt_clean        = 0;
 
             if (asf_st->pkt.data && asf_st->palette_changed) {
                 uint8_t *pal;
@@ -1231,6 +1232,11 @@ static int asf_parse_packet(AVFormatContext *s, AVIOContext *pb, AVPacket *pkt)
             continue;
         }
 
+        if (asf->packet_frag_offset != asf_st->frag_offset && !asf_st->pkt_clean) {
+            memset(asf_st->pkt.data + asf_st->frag_offset, 0, asf_st->pkt.size - asf_st->frag_offset);
+            asf_st->pkt_clean = 1;
+        }
+
         ret = avio_read(pb, asf_st->pkt.data + asf->packet_frag_offset,
                         asf->packet_frag_size);
         if (ret != asf->packet_frag_size) {