ffmpeg_tls_openssl.patch

diff --git a/libavformat/tls_openssl.c b/libavformat/tls_openssl.c
index 7ae71bdaf3..8e82461f77 100644
--- a/libavformat/tls_openssl.c
+++ b/libavformat/tls_openssl.c
@@ -50,6 +50,21 @@ typedef struct TLSContext {

 #if HAVE_THREADS
 #include <openssl/crypto.h>
+
+// Patch by @gubatron - September 2019
+#define CRYPTO_LOCK             1
+#define CRYPTO_UNLOCK           2
+#define CRYPTO_READ             4
+#define CRYPTO_WRITE            8
+// No longer used by openssl, declared as no-ops
+#define CRYPTO_num_locks()            (1)
+#define CRYPTO_set_locking_callback(func)
+#define CRYPTO_get_locking_callback()         (NULL)
+#define CRYPTO_set_add_lock_callback(func)
+#define CRYPTO_get_add_lock_callback()        (NULL)
+#define SSL_load_error_strings() OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL)
+#define SSL_library_init() OPENSSL_init_ssl(0, NULL)
+
 pthread_mutex_t *openssl_mutexes;
 static void openssl_lock(int mode, int type, const char *file, int line)
 {