1 files changed, 3 insertions, 1 deletions
diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c
index fb941c6e62..59f807cbd3 100644
--- a/libavformat/aviobuf.c
+++ b/libavformat/aviobuf.c
@@ -692,7 +692,9 @@ int ffio_fdopen(AVIOContext **s, URLContext *h)
         return AVERROR(ENOMEM);
 
     *s = avio_alloc_context(buffer, buffer_size, h->flags & AVIO_FLAG_WRITE, h,
-                            ffurl_read, ffurl_write, ffurl_seek);
+                            (int (*)(void *, uint8_t *, int)) ffurl_read,
+                            (int (*)(void *, uint8_t *, int)) ffurl_write,
+                            (int64_t (*)(void *, int64_t, int)) ffurl_seek);
     if (!*s) {
         av_free(buffer);
         return AVERROR(ENOMEM);