Merge commit 'ae365453c370c85f278bff7fbf9e20d9d335cb2a'

* commit 'ae365453c370c85f278bff7fbf9e20d9d335cb2a':
  rc4: add av_rc4_alloc()

Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>

1 files changed, 22 insertions, 2 deletions

diff --git a/libavutil/rc4.h b/libavutil/rc4.h
index 9362fd8880..52d0868f2e 100644
--- a/libavutil/rc4.h
+++ b/libavutil/rc4.h
@@ -22,11 +22,27 @@
 #define AVUTIL_RC4_H
 
 #include <stdint.h>
+#include "version.h"
 
-struct AVRC4 {
+/**
+ * @defgroup lavu_rc4 RC4
+ * @ingroup lavu_crypto
+ * @{
+ */
+
+#if FF_API_CRYPTO_CONTEXT
+typedef struct AVRC4 {
     uint8_t state[256];
     int x, y;
-};
+} AVRC4;
+#else
+typedef struct AVRC4 AVRC4;
+#endif
+
+/**
+ * Allocate an AVRC4 context.
+ */
+AVRC4 *av_rc4_alloc(void);
 
 /**
  * @brief Initializes an AVRC4 context.
@@ -47,4 +63,8 @@ int av_rc4_init(struct AVRC4 *d, const uint8_t *key, int key_bits, int decrypt);
  */
 void av_rc4_crypt(struct AVRC4 *d, uint8_t *dst, const uint8_t *src, int count, uint8_t *iv, int decrypt);
 
+/**
+ * @}
+ */
+
 #endif /* AVUTIL_RC4_H */