diff --git a/libavformat/avio_internal.h b/libavformat/avio_internal.h
index 3867be6e97..fdb323c8f1 100644
--- a/libavformat/avio_internal.h
+++ b/libavformat/avio_internal.h
@@ -111,6 +111,8 @@ void ffio_init_checksum(AVIOContext *s,
 unsigned long ffio_get_checksum(AVIOContext *s);
 unsigned long ff_crc04C11DB7_update(unsigned long checksum, const uint8_t *buf,
                                     unsigned int len);
+unsigned long ff_crcEDB88320_update(unsigned long checksum, const uint8_t *buf,
+                                    unsigned int len);
 unsigned long ff_crcA001_update(unsigned long checksum, const uint8_t *buf,
                                 unsigned int len);
 
diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c
index 31e72021f1..f3acb324fa 100644
--- a/libavformat/aviobuf.c
+++ b/libavformat/aviobuf.c
@@ -560,6 +560,12 @@ unsigned long ff_crc04C11DB7_update(unsigned long checksum, const uint8_t *buf,
     return av_crc(av_crc_get_table(AV_CRC_32_IEEE), checksum, buf, len);
 }
 
+unsigned long ff_crcEDB88320_update(unsigned long checksum, const uint8_t *buf,
+                                    unsigned int len)
+{
+    return av_crc(av_crc_get_table(AV_CRC_32_IEEE_LE), checksum, buf, len);
+}
+
 unsigned long ff_crcA001_update(unsigned long checksum, const uint8_t *buf,
                                 unsigned int len)
 {