Merge commit '61cec5ad'

* commit '61cec5ad':
  tls: Hide backend implementation details from users

Also includes ed434be1
Changes were made to support schannel and securetransport.
Merged-by: James Almer <jamrial@gmail.com>

configure

@@ -3160,21 +3160,14 @@ rtmpte_protocol_suggest="zlib"
 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
 rtmpts_protocol_suggest="zlib"
 rtp_protocol_select="udp_protocol"
+schannel_conflict="openssl gnutls"
 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
 sctp_protocol_select="network"
+securetransport_conflict="openssl gnutls"
 srtp_protocol_select="rtp_protocol srtp"
 tcp_protocol_select="network"
-tls_gnutls_protocol_conflict="tls_schannel_protocol tls_securetransport_protocol"
-tls_gnutls_protocol_deps="gnutls"
-tls_gnutls_protocol_select="tcp_protocol"
-tls_openssl_protocol_conflict="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol"
-tls_openssl_protocol_deps="openssl"
-tls_openssl_protocol_select="tcp_protocol"
-tls_schannel_protocol_deps="schannel"
-tls_schannel_protocol_select="tcp_protocol"
-tls_securetransport_protocol_deps="securetransport"
-tls_securetransport_protocol_select="tcp_protocol"
-tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
+tls_protocol_deps_any="gnutls openssl schannel securetransport"
+tls_protocol_select="tcp_protocol"
 udp_protocol_select="network"
 udplite_protocol_select="network"
 unix_protocol_deps="sys_un_h"
@@ -3752,6 +3745,9 @@ map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
 
 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
 
+enabled_all gnutls openssl &&
+    die "GnuTLS and OpenSSL must not be enabled at the same time."
+
 # Disable all the library-specific components if the library itself
 # is disabled, see AVCODEC_LIST and following _LIST variables.
 

libavformat/Makefile

@@ -586,10 +586,11 @@ OBJS-$(CONFIG_SRTP_PROTOCOL)             += srtpproto.o srtp.o
 OBJS-$(CONFIG_SUBFILE_PROTOCOL)          += subfile.o
 OBJS-$(CONFIG_TEE_PROTOCOL)              += teeproto.o tee_common.o
 OBJS-$(CONFIG_TCP_PROTOCOL)              += tcp.o
-OBJS-$(CONFIG_TLS_GNUTLS_PROTOCOL)       += tls_gnutls.o tls.o
-OBJS-$(CONFIG_TLS_OPENSSL_PROTOCOL)      += tls_openssl.o tls.o
-OBJS-$(CONFIG_TLS_SCHANNEL_PROTOCOL)     += tls_schannel.o tls.o
-OBJS-$(CONFIG_TLS_SECURETRANSPORT_PROTOCOL) += tls_securetransport.o tls.o
+TLS-OBJS-$(CONFIG_GNUTLS)                += tls_gnutls.o
+TLS-OBJS-$(CONFIG_OPENSSL)               += tls_openssl.o
+TLS-OBJS-$(CONFIG_SECURETRANSPORT)       += tls_securetransport.o
+TLS-OBJS-$(CONFIG_SCHANNEL)              += tls_schannel.o
+OBJS-$(CONFIG_TLS_PROTOCOL)              += tls.o $(TLS-OBJS-yes)
 OBJS-$(CONFIG_UDP_PROTOCOL)              += udp.o
 OBJS-$(CONFIG_UDPLITE_PROTOCOL)          += udp.o
 OBJS-$(CONFIG_UNIX_PROTOCOL)             += unix.o

libavformat/network.c

@@ -29,25 +29,29 @@
 
 int ff_tls_init(void)
 {
-#if CONFIG_TLS_OPENSSL_PROTOCOL
+#if CONFIG_TLS_PROTOCOL
+#if CONFIG_OPENSSL
     int ret;
     if ((ret = ff_openssl_init()) < 0)
         return ret;
 #endif
-#if CONFIG_TLS_GNUTLS_PROTOCOL
+#if CONFIG_GNUTLS
     ff_gnutls_init();
+#endif
 #endif
     return 0;
 }
 
 void ff_tls_deinit(void)
 {
-#if CONFIG_TLS_OPENSSL_PROTOCOL
+#if CONFIG_TLS_PROTOCOL
+#if CONFIG_OPENSSL
     ff_openssl_deinit();
 #endif
-#if CONFIG_TLS_GNUTLS_PROTOCOL
+#if CONFIG_GNUTLS
     ff_gnutls_deinit();
 #endif
+#endif
 }
 
 int ff_network_inited_globally;

libavformat/protocols.c

@@ -56,10 +56,7 @@ extern const URLProtocol ff_srtp_protocol;
 extern const URLProtocol ff_subfile_protocol;
 extern const URLProtocol ff_tee_protocol;
 extern const URLProtocol ff_tcp_protocol;
-extern const URLProtocol ff_tls_gnutls_protocol;
-extern const URLProtocol ff_tls_schannel_protocol;
-extern const URLProtocol ff_tls_securetransport_protocol;
-extern const URLProtocol ff_tls_openssl_protocol;
+extern const URLProtocol ff_tls_protocol;
 extern const URLProtocol ff_udp_protocol;
 extern const URLProtocol ff_udplite_protocol;
 extern const URLProtocol ff_unix_protocol;

libavformat/tls.h

@@ -26,8 +26,6 @@
 #include "url.h"
 #include "libavutil/opt.h"
 
-#define CONFIG_TLS_PROTOCOL (CONFIG_TLS_GNUTLS_PROTOCOL | CONFIG_TLS_OPENSSL_PROTOCOL | CONFIG_TLS_SECURETRANSPORT_PROTOCOL | CONFIG_TLS_SCHANNEL_PROTOCOL)
-
 typedef struct TLSShared {
     char *ca_file;
     int verify;

libavformat/tls_gnutls.c

@@ -260,7 +260,7 @@ static const AVClass tls_class = {
     .version    = LIBAVUTIL_VERSION_INT,
 };
 
-const URLProtocol ff_tls_gnutls_protocol = {
+const URLProtocol ff_tls_protocol = {
     .name           = "tls",
     .url_open2      = tls_open,
     .url_read       = tls_read,

libavformat/tls_openssl.c

@@ -339,7 +339,7 @@ static const AVClass tls_class = {
     .version    = LIBAVUTIL_VERSION_INT,
 };
 
-const URLProtocol ff_tls_openssl_protocol = {
+const URLProtocol ff_tls_protocol = {
     .name           = "tls",
     .url_open2      = tls_open,
     .url_read       = tls_read,

libavformat/tls_schannel.c

@@ -595,7 +595,7 @@ static const AVClass tls_class = {
     .version    = LIBAVUTIL_VERSION_INT,
 };
 
-const URLProtocol ff_tls_schannel_protocol = {
+const URLProtocol ff_tls_protocol = {
     .name           = "tls",
     .url_open2      = tls_open,
     .url_read       = tls_read,

libavformat/tls_securetransport.c

@@ -393,7 +393,7 @@ static const AVClass tls_class = {
     .version    = LIBAVUTIL_VERSION_INT,
 };
 
-const URLProtocol ff_tls_securetransport_protocol = {
+const URLProtocol ff_tls_protocol = {
     .name           = "tls",
     .url_open2      = tls_open,
     .url_read       = tls_read,