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-rw-r--r--libavformat/avio_internal.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/libavformat/avio_internal.h b/libavformat/avio_internal.h
index 6eee947383..c50514d833 100644
--- a/libavformat/avio_internal.h
+++ b/libavformat/avio_internal.h
@@ -74,5 +74,8 @@ int64_t ffio_read_seek (AVIOContext *h, int stream_index,
int ff_udp_set_remote_url(URLContext *h, const char *uri);
int ff_udp_get_local_port(URLContext *h);
+void ffio_init_checksum(AVIOContext *s,
+ unsigned long (*update_checksum)(unsigned long c, const uint8_t *p, unsigned int len),
+ unsigned long checksum);
#endif // AVFORMAT_AVIO_INTERNAL_H