diff --git a/libavformat/apetag.c b/libavformat/apetag.c
index 23ee6b516d..6f82fbe202 100644
--- a/libavformat/apetag.c
+++ b/libavformat/apetag.c
@@ -79,20 +79,12 @@ static int ape_tag_read_field(AVFormatContext *s)
         av_dict_set(&st->metadata, key, filename, 0);
 
         if ((id = ff_guess_image2_codec(filename)) != AV_CODEC_ID_NONE) {
-            int ret;
-
-            ret = av_get_packet(s->pb, &st->attached_pic, size);
+            int ret = ff_add_attached_pic(s, st, s->pb, NULL, size);
             if (ret < 0) {
                 av_log(s, AV_LOG_ERROR, "Error reading cover art.\n");
                 return ret;
             }
-
-            st->disposition      |= AV_DISPOSITION_ATTACHED_PIC;
-            st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
             st->codecpar->codec_id   = id;
-
-            st->attached_pic.stream_index = st->index;
-            st->attached_pic.flags       |= AV_PKT_FLAG_KEY;
         } else {
             if ((ret = ff_get_extradata(s, st->codecpar, s->pb, size)) < 0)
                 return ret;
diff --git a/libavformat/flac_picture.c b/libavformat/flac_picture.c
index f15cfa877a..96e14f76c9 100644
--- a/libavformat/flac_picture.c
+++ b/libavformat/flac_picture.c
@@ -160,20 +160,11 @@ int ff_flac_parse_picture(AVFormatContext *s, uint8_t *buf, int buf_size, int tr
     if (AV_RB64(data->data) == PNGSIG)
         id = AV_CODEC_ID_PNG;
 
-    st = avformat_new_stream(s, NULL);
-    if (!st) {
-        RETURN_ERROR(AVERROR(ENOMEM));
-    }
+    ret = ff_add_attached_pic(s, NULL, NULL, &data, 0);
+    if (ret < 0)
+        RETURN_ERROR(ret);
 
-    av_packet_unref(&st->attached_pic);
-    st->attached_pic.buf          = data;
-    st->attached_pic.data         = data->data;
-    st->attached_pic.size         = len;
-    st->attached_pic.stream_index = st->index;
-    st->attached_pic.flags       |= AV_PKT_FLAG_KEY;
-
-    st->disposition      |= AV_DISPOSITION_ATTACHED_PIC;
-    st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
+    st = s->streams[s->nb_streams - 1];
     st->codecpar->codec_id   = id;
     st->codecpar->width      = width;
     st->codecpar->height     = height;
diff --git a/libavformat/id3v2.c b/libavformat/id3v2.c
index f33b7ba93a..863709abbf 100644
--- a/libavformat/id3v2.c
+++ b/libavformat/id3v2.c
@@ -1142,34 +1142,25 @@ int ff_id3v2_parse_apic(AVFormatContext *s, ID3v2ExtraMeta *extra_meta)
     for (cur = extra_meta; cur; cur = cur->next) {
         ID3v2ExtraMetaAPIC *apic;
         AVStream *st;
+        int ret;
 
         if (strcmp(cur->tag, "APIC"))
             continue;
         apic = &cur->data.apic;
 
-        if (!(st = avformat_new_stream(s, NULL)))
-            return AVERROR(ENOMEM);
-
-        st->disposition      |= AV_DISPOSITION_ATTACHED_PIC;
-        st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
+        ret = ff_add_attached_pic(s, NULL, NULL, &apic->buf, 0);
+        if (ret < 0)
+            return ret;
+        st  = s->streams[s->nb_streams - 1];
         st->codecpar->codec_id   = apic->id;
 
-        if (AV_RB64(apic->buf->data) == PNGSIG)
+        if (AV_RB64(st->attached_pic.data) == PNGSIG)
             st->codecpar->codec_id = AV_CODEC_ID_PNG;
 
         if (apic->description[0])
             av_dict_set(&st->metadata, "title", apic->description, 0);
 
         av_dict_set(&st->metadata, "comment", apic->type, 0);
-
-        av_packet_unref(&st->attached_pic);
-        st->attached_pic.buf          = apic->buf;
-        st->attached_pic.data         = apic->buf->data;
-        st->attached_pic.size         = apic->buf->size - AV_INPUT_BUFFER_PADDING_SIZE;
-        st->attached_pic.stream_index = st->index;
-        st->attached_pic.flags       |= AV_PKT_FLAG_KEY;
-
-        apic->buf = NULL;
     }
 
     return 0;
diff --git a/libavformat/internal.h b/libavformat/internal.h
index 8631694d00..b3c5d8a1d5 100644
--- a/libavformat/internal.h
+++ b/libavformat/internal.h
@@ -669,6 +669,19 @@ int ff_framehash_write_header(AVFormatContext *s);
  */
 int ff_read_packet(AVFormatContext *s, AVPacket *pkt);
 
+/**
+ * Add an attached pic to an AVStream.
+ *
+ * @param st   if set, the stream to add the attached pic to;
+ *             if unset, a new stream will be added to s.
+ * @param pb   AVIOContext to read data from if buf is unset.
+ * @param buf  if set, it contains the data and size information to be used
+ *             for the attached pic; if unset, data is read from pb.
+ * @param size the size of the data to read if buf is unset.
+ */
+int ff_add_attached_pic(AVFormatContext *s, AVStream *st, AVIOContext *pb,
+                        AVBufferRef **buf, int size);
+
 /**
  * Interleave an AVPacket per dts so it can be muxed.
  *
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index 1dc188c946..e8c76f9cfb 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -3007,18 +3007,9 @@ static int matroska_read_header(AVFormatContext *s)
             attachments[j].stream = st;
 
             if (st->codecpar->codec_id != AV_CODEC_ID_NONE) {
-                AVPacket *pkt = &st->attached_pic;
-
-                st->disposition         |= AV_DISPOSITION_ATTACHED_PIC;
-                st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
-
-                av_packet_unref(pkt);
-                pkt->buf          = attachments[j].bin.buf;
-                attachments[j].bin.buf = NULL;
-                pkt->data         = attachments[j].bin.data;
-                pkt->size         = attachments[j].bin.size;
-                pkt->stream_index = st->index;
-                pkt->flags       |= AV_PKT_FLAG_KEY;
+                res = ff_add_attached_pic(s, st, NULL, &attachments[j].bin.buf, 0);
+                if (res < 0)
+                    goto fail;
             } else {
                 st->codecpar->codec_type = AVMEDIA_TYPE_ATTACHMENT;
                 if (ff_alloc_extradata(st->codecpar, attachments[j].bin.size))
diff --git a/libavformat/mov.c b/libavformat/mov.c
index a1411264ec..7805330bf9 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -196,17 +196,16 @@ static int mov_read_covr(MOVContext *c, AVIOContext *pb, int type, int len)
         return 0;
     }
 
-    st = avformat_new_stream(c->fc, NULL);
-    if (!st)
-        return AVERROR(ENOMEM);
     sc = av_mallocz(sizeof(*sc));
     if (!sc)
         return AVERROR(ENOMEM);
-    st->priv_data = sc;
-
-    ret = av_get_packet(pb, &st->attached_pic, len);
-    if (ret < 0)
+    ret = ff_add_attached_pic(c->fc, NULL, pb, NULL, len);
+    if (ret < 0) {
+        av_free(sc);
         return ret;
+    }
+    st = c->fc->streams[c->fc->nb_streams - 1];
+    st->priv_data = sc;
 
     if (st->attached_pic.size >= 8 && id != AV_CODEC_ID_BMP) {
         if (AV_RB64(st->attached_pic.data) == 0x89504e470d0a1a0a) {
@@ -215,13 +214,6 @@ static int mov_read_covr(MOVContext *c, AVIOContext *pb, int type, int len)
             id = AV_CODEC_ID_MJPEG;
         }
     }
-
-    st->disposition              |= AV_DISPOSITION_ATTACHED_PIC;
-
-    st->attached_pic.stream_index = st->index;
-    st->attached_pic.flags       |= AV_PKT_FLAG_KEY;
-
-    st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
     st->codecpar->codec_id   = id;
 
     return 0;
@@ -7233,11 +7225,8 @@ static void mov_read_chapters(AVFormatContext *s)
                     goto finish;
                 }
 
-                if (av_get_packet(sc->pb, &st->attached_pic, sample->size) < 0)
+                if (ff_add_attached_pic(s, st, sc->pb, NULL, sample->size) < 0)
                     goto finish;
-
-                st->attached_pic.stream_index = st->index;
-                st->attached_pic.flags       |= AV_PKT_FLAG_KEY;
             }
         } else {
             st->codecpar->codec_type = AVMEDIA_TYPE_DATA;
diff --git a/libavformat/utils.c b/libavformat/utils.c
index 92695c3f2b..c2200d0403 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -474,6 +474,36 @@ int avformat_queue_attached_pictures(AVFormatContext *s)
     return 0;
 }
 
+int ff_add_attached_pic(AVFormatContext *s, AVStream *st, AVIOContext *pb,
+                        AVBufferRef **buf, int size)
+{
+    AVPacket *pkt;
+    int ret;
+
+    if (!st && !(st = avformat_new_stream(s, NULL)))
+        return AVERROR(ENOMEM);
+    pkt = &st->attached_pic;
+    if (buf) {
+        av_assert1(*buf);
+        av_packet_unref(pkt);
+        pkt->buf  = *buf;
+        pkt->data = (*buf)->data;
+        pkt->size = (*buf)->size - AV_INPUT_BUFFER_PADDING_SIZE;
+        *buf = NULL;
+    } else {
+        ret = av_get_packet(pb, pkt, size);
+        if (ret < 0)
+            return ret;
+    }
+    st->disposition         |= AV_DISPOSITION_ATTACHED_PIC;
+    st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
+
+    pkt->stream_index = st->index;
+    pkt->flags       |= AV_PKT_FLAG_KEY;
+
+    return 0;
+}
+
 static int update_stream_avctx(AVFormatContext *s)
 {
     int i, ret;
diff --git a/libavformat/wtvdec.c b/libavformat/wtvdec.c
index 4b3b7fb407..44ca86d517 100644
--- a/libavformat/wtvdec.c
+++ b/libavformat/wtvdec.c
@@ -434,7 +434,6 @@ static void get_attachment(AVFormatContext *s, AVIOContext *pb, int length)
     char description[1024];
     unsigned int filesize;
     AVStream *st;
-    int ret;
     int64_t pos = avio_tell(pb);
 
     avio_get_str16le(pb, INT_MAX, mime, sizeof(mime));
@@ -447,19 +446,12 @@ static void get_attachment(AVFormatContext *s, AVIOContext *pb, int length)
     if (!filesize)
         goto done;
 
-    st = avformat_new_stream(s, NULL);
-    if (!st)
+    if (ff_add_attached_pic(s, NULL, pb, NULL, filesize) < 0)
         goto done;
+    st = s->streams[s->nb_streams - 1];
     av_dict_set(&st->metadata, "title", description, 0);
-    st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
     st->codecpar->codec_id   = AV_CODEC_ID_MJPEG;
     st->id = -1;
-    ret = av_get_packet(pb, &st->attached_pic, filesize);
-    if (ret < 0)
-        goto done;
-    st->attached_pic.stream_index = st->index;
-    st->attached_pic.flags       |= AV_PKT_FLAG_KEY;
-    st->disposition              |= AV_DISPOSITION_ATTACHED_PIC;
 done:
     avio_seek(pb, pos + length, SEEK_SET);
 }