diff --git a/ffserver.c b/ffserver.c
index a2956d3df7058ecdcf901dd70e6be421fbd0e265..20ba890e4dde5c695dea096b5afe157c9c8a6e46 100644
--- a/ffserver.c
+++ b/ffserver.c
@@ -2135,10 +2135,10 @@ static int open_input_stream(HTTPContext *c, const char *info)
         strcpy(input_filename, c->stream->feed->feed_filename);
         buf_size = FFM_PACKET_SIZE;
         /* compute position (absolute time) */
-        if (find_info_tag(buf, sizeof(buf), "date", info)) {
+        if (av_find_info_tag(buf, sizeof(buf), "date", info)) {
             if ((ret = av_parse_time(&stream_pos, buf, 0)) < 0)
                 return ret;
-        } else if (find_info_tag(buf, sizeof(buf), "buffer", info)) {
+        } else if (av_find_info_tag(buf, sizeof(buf), "buffer", info)) {
             int prebuffer = strtol(buf, 0, 10);
             stream_pos = av_gettime() - prebuffer * (int64_t)1000000;
         } else
@@ -2147,7 +2147,7 @@ static int open_input_stream(HTTPContext *c, const char *info)
         strcpy(input_filename, c->stream->feed_filename);
         buf_size = 0;
         /* compute position (relative time) */
-        if (find_info_tag(buf, sizeof(buf), "date", info)) {
+        if (av_find_info_tag(buf, sizeof(buf), "date", info)) {
             if ((ret = av_parse_time(&stream_pos, buf, 1)) < 0)
                 return ret;
         } else
diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index 7d69f510b00370b11333da95b8711000bc914301..8511a0366ee5d6d8c168028ae640f753b4576e2f 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -1501,13 +1501,12 @@ int64_t ffm_read_write_index(int fd);
 int ffm_write_write_index(int fd, int64_t pos);
 void ffm_set_write_index(AVFormatContext *s, int64_t pos, int64_t file_size);
 
+#if FF_API_FIND_INFO_TAG
 /**
- * Attempt to find a specific tag in a URL.
- *
- * syntax: '?tag1=val1&tag2=val2...'. Little URL decoding is done.
- * Return 1 if found.
+ * @deprecated use av_find_info_tag in libavutil instead.
  */
-int find_info_tag(char *arg, int arg_size, const char *tag1, const char *info);
+attribute_deprecated int find_info_tag(char *arg, int arg_size, const char *tag1, const char *info);
+#endif
 
 /**
  * Return in 'buf' the path with '%d' replaced by a number.
diff --git a/libavformat/rtpproto.c b/libavformat/rtpproto.c
index aa2cc37776d24034304520b0f3d5454a5b8343a4..dd5bc71c0e3cede3d08a66302bbf952b0d202630 100644
--- a/libavformat/rtpproto.c
+++ b/libavformat/rtpproto.c
@@ -24,6 +24,7 @@
  * RTP protocol
  */
 
+#include "libavutil/parseutils.h"
 #include "libavutil/avstring.h"
 #include "avformat.h"
 #include "rtpdec.h"
@@ -161,25 +162,25 @@ static int rtp_open(URLContext *h, const char *uri, int flags)
 
     p = strchr(uri, '?');
     if (p) {
-        if (find_info_tag(buf, sizeof(buf), "ttl", p)) {
+        if (av_find_info_tag(buf, sizeof(buf), "ttl", p)) {
             ttl = strtol(buf, NULL, 10);
         }
-        if (find_info_tag(buf, sizeof(buf), "rtcpport", p)) {
+        if (av_find_info_tag(buf, sizeof(buf), "rtcpport", p)) {
             rtcp_port = strtol(buf, NULL, 10);
         }
-        if (find_info_tag(buf, sizeof(buf), "localport", p)) {
+        if (av_find_info_tag(buf, sizeof(buf), "localport", p)) {
             local_rtp_port = strtol(buf, NULL, 10);
         }
-        if (find_info_tag(buf, sizeof(buf), "localrtpport", p)) {
+        if (av_find_info_tag(buf, sizeof(buf), "localrtpport", p)) {
             local_rtp_port = strtol(buf, NULL, 10);
         }
-        if (find_info_tag(buf, sizeof(buf), "localrtcpport", p)) {
+        if (av_find_info_tag(buf, sizeof(buf), "localrtcpport", p)) {
             local_rtcp_port = strtol(buf, NULL, 10);
         }
-        if (find_info_tag(buf, sizeof(buf), "pkt_size", p)) {
+        if (av_find_info_tag(buf, sizeof(buf), "pkt_size", p)) {
             max_packet_size = strtol(buf, NULL, 10);
         }
-        if (find_info_tag(buf, sizeof(buf), "connect", p)) {
+        if (av_find_info_tag(buf, sizeof(buf), "connect", p)) {
             connect = strtol(buf, NULL, 10);
         }
     }
diff --git a/libavformat/sapenc.c b/libavformat/sapenc.c
index 9bbacef6801c409a55b4076892399a9f3140f783..91c1f628c757318e5fdc597cecbbfafcf27ab355 100644
--- a/libavformat/sapenc.c
+++ b/libavformat/sapenc.c
@@ -20,6 +20,7 @@
  */
 
 #include "avformat.h"
+#include "libavutil/parseutils.h"
 #include "libavutil/random_seed.h"
 #include "libavutil/avstring.h"
 #include "libavutil/intreadwrite.h"
@@ -87,16 +88,16 @@ static int sap_write_header(AVFormatContext *s)
     option_list = strrchr(path, '?');
     if (option_list) {
         char buf[50];
-        if (find_info_tag(buf, sizeof(buf), "announce_port", option_list)) {
+        if (av_find_info_tag(buf, sizeof(buf), "announce_port", option_list)) {
             port = strtol(buf, NULL, 10);
         }
-        if (find_info_tag(buf, sizeof(buf), "same_port", option_list)) {
+        if (av_find_info_tag(buf, sizeof(buf), "same_port", option_list)) {
             same_port = strtol(buf, NULL, 10);
         }
-        if (find_info_tag(buf, sizeof(buf), "ttl", option_list)) {
+        if (av_find_info_tag(buf, sizeof(buf), "ttl", option_list)) {
             ttl = strtol(buf, NULL, 10);
         }
-        if (find_info_tag(buf, sizeof(buf), "announce_addr", option_list)) {
+        if (av_find_info_tag(buf, sizeof(buf), "announce_addr", option_list)) {
             av_strlcpy(announce_addr, buf, sizeof(announce_addr));
         }
     }
diff --git a/libavformat/sdp.c b/libavformat/sdp.c
index 872e76c5aee89ee58cbecb70b2450ac64aa1ec36..2a8821815a2d462e8ed3b157025774ea7d0c1844 100644
--- a/libavformat/sdp.c
+++ b/libavformat/sdp.c
@@ -21,6 +21,7 @@
 #include <string.h>
 #include "libavutil/avstring.h"
 #include "libavutil/base64.h"
+#include "libavutil/parseutils.h"
 #include "libavcodec/xiph.h"
 #include "avformat.h"
 #include "internal.h"
@@ -136,7 +137,7 @@ static int sdp_get_address(char *dest_addr, int size, int *ttl, const char *url)
     if (p) {
         char buff[64];
 
-        if (find_info_tag(buff, sizeof(buff), "ttl", p)) {
+        if (av_find_info_tag(buff, sizeof(buff), "ttl", p)) {
             *ttl = strtol(buff, NULL, 10);
         } else {
             *ttl = 5;
diff --git a/libavformat/udp.c b/libavformat/udp.c
index 4c4db2a5891af5cd21e9b6513b3f47a433041207..6c1b37b59d7c8dc2042371571f361a19e0716fa1 100644
--- a/libavformat/udp.c
+++ b/libavformat/udp.c
@@ -27,6 +27,7 @@
 #define _BSD_SOURCE     /* Needed for using struct ip_mreq with recent glibc */
 #define _DARWIN_C_SOURCE /* Needed for using IP_MULTICAST_TTL on OS X */
 #include "avformat.h"
+#include "libavutil/parseutils.h"
 #include <unistd.h>
 #include "internal.h"
 #include "network.h"
@@ -259,7 +260,7 @@ int udp_set_remote_url(URLContext *h, const char *uri)
     s->is_multicast = ff_is_multicast_address((struct sockaddr*) &s->dest_addr);
     p = strchr(uri, '?');
     if (p) {
-        if (find_info_tag(buf, sizeof(buf), "connect", p)) {
+        if (av_find_info_tag(buf, sizeof(buf), "connect", p)) {
             int was_connected = s->is_connected;
             s->is_connected = strtol(buf, NULL, 10);
             if (s->is_connected && !was_connected) {
@@ -330,7 +331,7 @@ static int udp_open(URLContext *h, const char *uri, int flags)
 
     p = strchr(uri, '?');
     if (p) {
-        if (find_info_tag(buf, sizeof(buf), "reuse", p)) {
+        if (av_find_info_tag(buf, sizeof(buf), "reuse", p)) {
             const char *endptr=NULL;
             s->reuse_socket = strtol(buf, &endptr, 10);
             /* assume if no digits were found it is a request to enable it */
@@ -338,19 +339,19 @@ static int udp_open(URLContext *h, const char *uri, int flags)
                 s->reuse_socket = 1;
             reuse_specified = 1;
         }
-        if (find_info_tag(buf, sizeof(buf), "ttl", p)) {
+        if (av_find_info_tag(buf, sizeof(buf), "ttl", p)) {
             s->ttl = strtol(buf, NULL, 10);
         }
-        if (find_info_tag(buf, sizeof(buf), "localport", p)) {
+        if (av_find_info_tag(buf, sizeof(buf), "localport", p)) {
             s->local_port = strtol(buf, NULL, 10);
         }
-        if (find_info_tag(buf, sizeof(buf), "pkt_size", p)) {
+        if (av_find_info_tag(buf, sizeof(buf), "pkt_size", p)) {
             h->max_packet_size = strtol(buf, NULL, 10);
         }
-        if (find_info_tag(buf, sizeof(buf), "buffer_size", p)) {
+        if (av_find_info_tag(buf, sizeof(buf), "buffer_size", p)) {
             s->buffer_size = strtol(buf, NULL, 10);
         }
-        if (find_info_tag(buf, sizeof(buf), "connect", p)) {
+        if (av_find_info_tag(buf, sizeof(buf), "connect", p)) {
             s->is_connected = strtol(buf, NULL, 10);
         }
     }
diff --git a/libavformat/utils.c b/libavformat/utils.c
index b9ec7fd0af408b13e7d82ace23ddbcfd32966221..3d58478591fa46dfe63fa29fdb496aec84f34051 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -3391,44 +3391,14 @@ int64_t parse_date(const char *timestr, int duration)
 }
 #endif
 
+#if FF_API_FIND_INFO_TAG
+#include "libavutil/parseutils.h"
+
 int find_info_tag(char *arg, int arg_size, const char *tag1, const char *info)
 {
-    const char *p;
-    char tag[128], *q;
-
-    p = info;
-    if (*p == '?')
-        p++;
-    for(;;) {
-        q = tag;
-        while (*p != '\0' && *p != '=' && *p != '&') {
-            if ((q - tag) < sizeof(tag) - 1)
-                *q++ = *p;
-            p++;
-        }
-        *q = '\0';
-        q = arg;
-        if (*p == '=') {
-            p++;
-            while (*p != '&' && *p != '\0') {
-                if ((q - arg) < arg_size - 1) {
-                    if (*p == '+')
-                        *q++ = ' ';
-                    else
-                        *q++ = *p;
-                }
-                p++;
-            }
-        }
-        *q = '\0';
-        if (!strcmp(tag, tag1))
-            return 1;
-        if (*p != '&')
-            break;
-        p++;
-    }
-    return 0;
+    return av_find_info_tag(arg, arg_size, tag1, info);
 }
+#endif
 
 int av_get_frame_filename(char *buf, int buf_size,
                           const char *path, int number)
diff --git a/libavformat/version.h b/libavformat/version.h
index 3663ec55b9046051e6db59ce7c8f16e0d559bec1..b4add73532349ad4ec77beb3218e3bf2a3938864 100644
--- a/libavformat/version.h
+++ b/libavformat/version.h
@@ -98,5 +98,8 @@
 #ifndef FF_API_PARSE_DATE
 #define FF_API_PARSE_DATE              (LIBAVFORMAT_VERSION_MAJOR < 54)
 #endif
+#ifndef FF_API_FIND_INFO_TAG
+#define FF_API_FIND_INFO_TAG           (LIBAVFORMAT_VERSION_MAJOR < 54)
+#endif
 
 #endif //AVFORMAT_VERSION_H
diff --git a/libavutil/parseutils.c b/libavutil/parseutils.c
index 8e09dade62af34e7382cc1ad1af827e07bcca35c..d67d31bffe5942b1c7caa4438eb2a115599fe0ea 100644
--- a/libavutil/parseutils.c
+++ b/libavutil/parseutils.c
@@ -608,6 +608,45 @@ int av_parse_time(int64_t *timeval, const char *datestr, int duration)
     return 0;
 }
 
+int av_find_info_tag(char *arg, int arg_size, const char *tag1, const char *info)
+{
+    const char *p;
+    char tag[128], *q;
+
+    p = info;
+    if (*p == '?')
+        p++;
+    for(;;) {
+        q = tag;
+        while (*p != '\0' && *p != '=' && *p != '&') {
+            if ((q - tag) < sizeof(tag) - 1)
+                *q++ = *p;
+            p++;
+        }
+        *q = '\0';
+        q = arg;
+        if (*p == '=') {
+            p++;
+            while (*p != '&' && *p != '\0') {
+                if ((q - arg) < arg_size - 1) {
+                    if (*p == '+')
+                        *q++ = ' ';
+                    else
+                        *q++ = *p;
+                }
+                p++;
+            }
+        }
+        *q = '\0';
+        if (!strcmp(tag, tag1))
+            return 1;
+        if (*p != '&')
+            break;
+        p++;
+    }
+    return 0;
+}
+
 #ifdef TEST
 
 #undef printf
diff --git a/libavutil/parseutils.h b/libavutil/parseutils.h
index 517f125a639d6479c6fb8e9f3b1c1c427e75a487..c3986af20c4bfede6aefcc7970e3c55bdedb73bb 100644
--- a/libavutil/parseutils.h
+++ b/libavutil/parseutils.h
@@ -106,4 +106,12 @@ int av_parse_color(uint8_t *rgba_color, const char *color_string, int slen,
  */
 int av_parse_time(int64_t *timeval, const char *timestr, int duration);
 
+/**
+ * Attempt to find a specific tag in a URL.
+ *
+ * syntax: '?tag1=val1&tag2=val2...'. Little URL decoding is done.
+ * Return 1 if found.
+ */
+int av_find_info_tag(char *arg, int arg_size, const char *tag1, const char *info);
+
 #endif /* AVUTIL_PARSEUTILS_H */