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-rw-r--r--libavutil/aes.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavutil/aes.h b/libavutil/aes.h
index 7d02aafec9..34ba0a2faa 100644
--- a/libavutil/aes.h
+++ b/libavutil/aes.h
@@ -30,7 +30,7 @@ struct AVAES;
* @param key_bits 128, 192 or 256
* @param decrypt 0 for encryption, 1 for decryption
*/
-int av_aes_init(struct AVAES *a, uint8_t *key, int key_bits, int decrypt);
+int av_aes_init(struct AVAES *a, const uint8_t *key, int key_bits, int decrypt);
/**
* encrypts / decrypts.