diff --git a/libavdevice/iec61883.c b/libavdevice/iec61883.c
index 401c3dd563..6d5ec4adea 100644
--- a/libavdevice/iec61883.c
+++ b/libavdevice/iec61883.c
@@ -216,8 +216,8 @@ static int iec61883_parse_queue_hdv(struct iec61883_data *dv, AVPacket *pkt)
 
     while (dv->queue_first) {
         packet = dv->queue_first;
-        size = ff_mpegts_parse_packet(dv->mpeg_demux, pkt, packet->buf,
-                                      packet->len);
+        size = avpriv_mpegts_parse_packet(dv->mpeg_demux, pkt, packet->buf,
+                                          packet->len);
         dv->queue_first = packet->next;
         av_free(packet->buf);
         av_free(packet);
@@ -356,7 +356,7 @@ static int iec61883_read_header(AVFormatContext *context)
 
         avformat_new_stream(context, NULL);
 
-        dv->mpeg_demux = ff_mpegts_parse_open(context);
+        dv->mpeg_demux = avpriv_mpegts_parse_open(context);
         if (!dv->mpeg_demux)
             goto fail;
 
@@ -447,7 +447,7 @@ static int iec61883_close(AVFormatContext *context)
     if (dv->type == IEC61883_HDV) {
         iec61883_mpeg2_recv_stop(dv->iec61883_mpeg2);
         iec61883_mpeg2_close(dv->iec61883_mpeg2);
-        ff_mpegts_parse_close(dv->mpeg_demux);
+        avpriv_mpegts_parse_close(dv->mpeg_demux);
     } else {
         iec61883_dv_fb_stop(dv->iec61883_dv);
         iec61883_dv_fb_close(dv->iec61883_dv);
diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
index 405cade417..55816de6c0 100644
--- a/libavformat/mpegts.c
+++ b/libavformat/mpegts.c
@@ -2625,7 +2625,7 @@ static int64_t mpegts_get_dts(AVFormatContext *s, int stream_index,
 /**************************************************************/
 /* parsing functions - called from other demuxers such as RTP */
 
-MpegTSContext *ff_mpegts_parse_open(AVFormatContext *s)
+MpegTSContext *avpriv_mpegts_parse_open(AVFormatContext *s)
 {
     MpegTSContext *ts;
 
@@ -2644,8 +2644,8 @@ MpegTSContext *ff_mpegts_parse_open(AVFormatContext *s)
 
 /* return the consumed length if a packet was output, or -1 if no
  * packet is output */
-int ff_mpegts_parse_packet(MpegTSContext *ts, AVPacket *pkt,
-                           const uint8_t *buf, int len)
+int avpriv_mpegts_parse_packet(MpegTSContext *ts, AVPacket *pkt,
+                               const uint8_t *buf, int len)
 {
     int len1;
 
@@ -2669,12 +2669,30 @@ int ff_mpegts_parse_packet(MpegTSContext *ts, AVPacket *pkt,
     return len1 - len;
 }
 
-void ff_mpegts_parse_close(MpegTSContext *ts)
+void avpriv_mpegts_parse_close(MpegTSContext *ts)
 {
     mpegts_free(ts);
     av_free(ts);
 }
 
+#if LIBAVFORMAT_VERSION_MAJOR < 56
+MpegTSContext *ff_mpegts_parse_open(AVFormatContext *s)
+{
+    return avpriv_mpegts_parse_open(s);
+}
+
+int ff_mpegts_parse_packet(MpegTSContext *ts, AVPacket *pkt,
+                               const uint8_t *buf, int len)
+{
+    return avpriv_mpegts_parse_packet(ts, pkt, buf, len);
+}
+
+void ff_mpegts_parse_close(MpegTSContext *ts)
+{
+    return avpriv_mpegts_parse_close(ts);
+}
+#endif
+
 AVInputFormat ff_mpegts_demuxer = {
     .name           = "mpegts",
     .long_name      = NULL_IF_CONFIG_SMALL("MPEG-TS (MPEG-2 Transport Stream)"),
diff --git a/libavformat/mpegts.h b/libavformat/mpegts.h
index 50a02590fa..1cd1ba1770 100644
--- a/libavformat/mpegts.h
+++ b/libavformat/mpegts.h
@@ -63,10 +63,17 @@
 
 typedef struct MpegTSContext MpegTSContext;
 
+MpegTSContext *avpriv_mpegts_parse_open(AVFormatContext *s);
+int avpriv_mpegts_parse_packet(MpegTSContext *ts, AVPacket *pkt,
+                               const uint8_t *buf, int len);
+void avpriv_mpegts_parse_close(MpegTSContext *ts);
+
+#if LIBAVFORMAT_VERSION_MAJOR < 56
 MpegTSContext *ff_mpegts_parse_open(AVFormatContext *s);
 int ff_mpegts_parse_packet(MpegTSContext *ts, AVPacket *pkt,
                            const uint8_t *buf, int len);
 void ff_mpegts_parse_close(MpegTSContext *ts);
+#endif
 
 typedef struct SLConfigDescr {
     int use_au_start;
diff --git a/libavformat/rtpdec_mpegts.c b/libavformat/rtpdec_mpegts.c
index 5b851c4fd7..0c2b71745e 100644
--- a/libavformat/rtpdec_mpegts.c
+++ b/libavformat/rtpdec_mpegts.c
@@ -40,14 +40,14 @@ static void mpegts_free_context(PayloadContext *data)
     if (!data)
         return;
     if (data->ts)
-        ff_mpegts_parse_close(data->ts);
+        avpriv_mpegts_parse_close(data->ts);
     av_free(data);
 }
 
 static av_cold int mpegts_init(AVFormatContext *ctx, int st_index,
                                PayloadContext *data)
 {
-    data->ts = ff_mpegts_parse_open(ctx);
+    data->ts = avpriv_mpegts_parse_open(ctx);
     if (!data->ts)
         return AVERROR(ENOMEM);
     return 0;
@@ -72,8 +72,8 @@ static int mpegts_handle_packet(AVFormatContext *ctx, PayloadContext *data,
     if (!buf) {
         if (data->read_buf_index >= data->read_buf_size)
             return AVERROR(EAGAIN);
-        ret = ff_mpegts_parse_packet(data->ts, pkt, data->buf + data->read_buf_index,
-                                     data->read_buf_size - data->read_buf_index);
+        ret = avpriv_mpegts_parse_packet(data->ts, pkt, data->buf + data->read_buf_index,
+                                         data->read_buf_size - data->read_buf_index);
         if (ret < 0)
             return AVERROR(EAGAIN);
         data->read_buf_index += ret;
@@ -83,8 +83,8 @@ static int mpegts_handle_packet(AVFormatContext *ctx, PayloadContext *data,
             return 0;
     }
 
-    ret = ff_mpegts_parse_packet(data->ts, pkt, buf, len);
-    /* The only error that can be returned from ff_mpegts_parse_packet
+    ret = avpriv_mpegts_parse_packet(data->ts, pkt, buf, len);
+    /* The only error that can be returned from avpriv_mpegts_parse_packet
      * is "no more data to return from the provided buffer", so return
      * AVERROR(EAGAIN) for all errors */
     if (ret < 0)
diff --git a/libavformat/rtsp.c b/libavformat/rtsp.c
index 5212dde6bf..ce4763edee 100644
--- a/libavformat/rtsp.c
+++ b/libavformat/rtsp.c
@@ -439,7 +439,7 @@ static void sdp_parse_line(AVFormatContext *s, SDPParseState *s1,
             /* no corresponding stream */
             if (rt->transport == RTSP_TRANSPORT_RAW) {
                 if (!rt->ts && CONFIG_RTPDEC)
-                    rt->ts = ff_mpegts_parse_open(s);
+                    rt->ts = avpriv_mpegts_parse_open(s);
             } else {
                 RTPDynamicProtocolHandler *handler;
                 handler = ff_rtp_handler_find_by_id(
@@ -728,7 +728,7 @@ void ff_rtsp_close_streams(AVFormatContext *s)
         avformat_close_input(&rt->asf_ctx);
     }
     if (rt->ts && CONFIG_RTPDEC)
-        ff_mpegts_parse_close(rt->ts);
+        avpriv_mpegts_parse_close(rt->ts);
     av_free(rt->p);
     av_free(rt->recvbuf);
 }
@@ -1977,7 +1977,7 @@ int ff_rtsp_fetch_packet(AVFormatContext *s, AVPacket *pkt)
         } else if (rt->transport == RTSP_TRANSPORT_RTP) {
             ret = ff_rtp_parse_packet(rt->cur_transport_priv, pkt, NULL, 0);
         } else if (rt->ts && CONFIG_RTPDEC) {
-            ret = ff_mpegts_parse_packet(rt->ts, pkt, rt->recvbuf + rt->recvbuf_pos, rt->recvbuf_len - rt->recvbuf_pos);
+            ret = avpriv_mpegts_parse_packet(rt->ts, pkt, rt->recvbuf + rt->recvbuf_pos, rt->recvbuf_len - rt->recvbuf_pos);
             if (ret >= 0) {
                 rt->recvbuf_pos += ret;
                 ret = rt->recvbuf_pos < rt->recvbuf_len;
@@ -2116,7 +2116,7 @@ redo:
             }
         }
     } else if (rt->ts && CONFIG_RTPDEC) {
-        ret = ff_mpegts_parse_packet(rt->ts, pkt, rt->recvbuf, len);
+        ret = avpriv_mpegts_parse_packet(rt->ts, pkt, rt->recvbuf, len);
         if (ret >= 0) {
             if (ret < len) {
                 rt->recvbuf_len = len;
diff --git a/libavformat/version.h b/libavformat/version.h
index 9a1c40c1db..ffa9f8721d 100644
--- a/libavformat/version.h
+++ b/libavformat/version.h
@@ -31,8 +31,8 @@
 
 #define LIBAVFORMAT_VERSION_MAJOR 55
 
-#define LIBAVFORMAT_VERSION_MINOR 51
-#define LIBAVFORMAT_VERSION_MICRO 101
+#define LIBAVFORMAT_VERSION_MINOR 52
+#define LIBAVFORMAT_VERSION_MICRO 100
 
 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
                                                LIBAVFORMAT_VERSION_MINOR, \