From 9f07cf7c00f3a87669c27aec947daf0f3d33b01f Mon Sep 17 00:00:00 2001
From: Jacob Trimble <modmaker-at-google.com@ffmpeg.org>
Date: Mon, 8 Jan 2018 14:12:43 -0800
Subject: avutil/aes_ctr: Add method to set 16-byte IV.

Signed-off-by: Jacob Trimble <modmaker@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavutil/aes_ctr.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'libavutil/aes_ctr.c')

diff --git a/libavutil/aes_ctr.c b/libavutil/aes_ctr.c
index e9c568fe0d..0c2e86785f 100644
--- a/libavutil/aes_ctr.c
+++ b/libavutil/aes_ctr.c
@@ -45,6 +45,12 @@ void av_aes_ctr_set_iv(struct AVAESCTR *a, const uint8_t* iv)
     a->block_offset = 0;
 }
 
+void av_aes_ctr_set_full_iv(struct AVAESCTR *a, const uint8_t* iv)
+{
+    memcpy(a->counter, iv, sizeof(a->counter));
+    a->block_offset = 0;
+}
+
 const uint8_t* av_aes_ctr_get_iv(struct AVAESCTR *a)
 {
     return a->counter;
-- 
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