Move find_info_tag to lavu and add av_ prefix to it

Signed-off-by: Janne Grunau <janne-ffmpeg@jannau.net>
(cherry picked from commit ab0287fcbdebc8ff416214535d7ee8424406990e)

1 files changed, 5 insertions, 35 deletions

diff --git a/libavformat/utils.c b/libavformat/utils.c
index b9ec7fd0af..3d58478591 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)