[FFmpeg-devel] [PATCH] avformat/hlsenc: reimplement randomize of hls use av_get_random_seed

[Steven Liu]

for support use the mbedtls

Signed-off-by: Steven Liu <l...@chinaffmpeg.org>
---
 libavformat/hlsenc.c | 22 +++++++---------------
 1 file changed, 7 insertions(+), 15 deletions(-)

diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
index 9c06551ea6..17b464f540 100644
--- a/libavformat/hlsenc.c
+++ b/libavformat/hlsenc.c
@@ -569,18 +569,13 @@ fail:
     return ret;
 }
 
-static int randomize(uint8_t *buf, int len)
+
+static void randomize(uint8_t *buf, int len)
 {
-#if CONFIG_GCRYPT
-    gcry_randomize(buf, len, GCRY_VERY_STRONG_RANDOM);
-    return 0;
-#elif CONFIG_OPENSSL
-    if (RAND_bytes(buf, len))
-        return 0;
-#else
-    return AVERROR(ENOSYS);
-#endif
-    return AVERROR(EINVAL);
+    uint32_t tmp_number[2];
+    tmp_number[0] = av_get_random_seed();
+    tmp_number[1] = av_get_random_seed();
+    memcpy(buf, iv, len);
 }
 
 static int do_encrypt(AVFormatContext *s, VariantStream *vs)
@@ -633,10 +628,7 @@ static int do_encrypt(AVFormatContext *s, VariantStream 
*vs)
 
     if (!*hls->key_string) {
         if (!hls->key) {
-            if ((ret = randomize(key, sizeof(key))) < 0) {
-                av_log(s, AV_LOG_ERROR, "Cannot generate a strong random 
key\n");
-                return ret;
-            }
+            randomize(key, sizeof(key));
         } else {
             memcpy(key, hls->key, sizeof(key));
         }
-- 
2.15.1



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