windows: fix compilation

Fix compilation of GnuTLS and Pjproject broke by bump
Fix libvideo compilation (enforcing static, activating opus and speex)

Refs #68888

Change-Id: I29bfb30ec2c7327b022857f851f57b019f9cb6a0

contrib/src/ffmpeg/rules.mak

@@ -58,20 +58,15 @@ FFMPEGCONF += \
 		--enable-encoder=mjpeg \
 		--enable-decoder=mjpeg \
 		--enable-decoder=mjpegb \
+		--enable-libspeex \
+		--enable-libopus \
+		--enable-encoder=libspeex \
+		--enable-decoder=libspeex
 
 FFMPEGCONF += \
 	--enable-indev=dshow \
 	--enable-dxva2
 
-# There is an unresolved symbol for speex when linking statically
-ifndef HAVE_WIN32
-FFMPEGCONF += \
-          --enable-libspeex \
-          --enable-libopus \
-          --enable-encoder=libspeex \
-          --enable-decoder=libspeex
-endif
-
 DEPS_ffmpeg = iconv zlib x264 vpx opus speex $(DEPS_vpx)
 
 ifdef HAVE_CROSS_COMPILE

contrib/src/gnutls/gnutls-win32.patch

---- gnutls-2.12.20/gl/gai_strerror.c.orig	2012-03-01 16:45:12.000000000 +0100
-+++ gnutls-2.12.20/gl/gai_strerror.c	2012-09-27 14:39:30.273584236 +0200
-@@ -75,7 +75,7 @@
-     { EAI_IDN_ENCODE, N_("Parameter string not correctly encoded") }
- #endif
-   };
--
-+#ifndef _WIN32
- const char *
- gai_strerror (int code)
- {
-@@ -89,4 +89,5 @@
+--- gnutls-3.4.0/lib/includes/gnutls/gnutls.h.in.orig	2015-04-09 23:38:42.018400000 +0300
++++ gnutls-3.4.0/lib/includes/gnutls/gnutls.h.in	2015-04-09 23:39:31.860400000 +0300
+@@ -67,6 +67,8 @@
+ #define GNUTLS_CIPHER_RIJNDAEL_CBC GNUTLS_CIPHER_AES_128_CBC
+ #define GNUTLS_CIPHER_ARCFOUR GNUTLS_CIPHER_ARCFOUR_128
+
++#define GNUTLS_INTERNAL_BUILD 1
++
+ #if !defined(GNUTLS_INTERNAL_BUILD) && defined(_WIN32)
+ # define _SYM_EXPORT __declspec(dllimport)
+ #else
\ No newline at end of file
- # ifdef _LIBC
- libc_hidden_def (gai_strerror)
- # endif
-+#endif
- #endif /* !HAVE_DECL_GAI_STRERROR */
---- gnutls-3.1.14/lib/gnutls.pc.in.orig	2013-09-17 18:14:16.270374773 +0200
-+++ gnutls-3.1.14/lib/gnutls.pc.in	2013-09-17 18:16:10.232464936 +0200
-@@ -18,7 +18,7 @@
- Description: Transport Security Layer implementation for the GNU system
- URL: http://www.gnutls.org/
- Version: @VERSION@
--Libs: -L${libdir} -lgnutls
-+Libs: -L${libdir} -lgnutls -lws2_32 -lcrypt32 @LTLIBINTL@
- Libs.private: @LTLIBNETTLE@ @LTLIBZ@ @LTLIBINTL@ @LIBSOCKET@ @LTLIBPTHREAD@ @LTLIBICONV@ @P11_KIT_LIBS@ @LIB_SELECT@ @TSS_LIBS@ @LIB_CLOCK_GETTIME@ @GMP_LIBS@
- @GNUTLS_REQUIRES_PRIVATE@
- Cflags: -I${includedir}

contrib/src/gnutls/rules.mak

@@ -48,12 +48,18 @@ GNUTLS_CONF := \
 
 DEPS_gnutls = nettle $(DEPS_nettle) iconv $(DEPS_iconv)
 
+
+#Workaround for localtime_r function
+ifdef HAVE_WIN32
+CFLAGS="-D_POSIX_C_SOURCE"
+endif
+
 .gnutls: gnutls
 	$(RECONF)
 ifdef HAVE_ANDROID
 	cd $< && $(HOSTVARS) gl_cv_header_working_stdint_h=yes ./configure $(GNUTLS_CONF)
 else
-	cd $< && $(HOSTVARS) ./configure $(GNUTLS_CONF)
+	cd $< && $(HOSTVARS) CFLAGS=$(CFLAGS) ./configure $(GNUTLS_CONF)
 endif
 	cd $</gl && $(MAKE) install
 	cd $</lib && $(MAKE) install

contrib/src/pjproject/gnutls.patch

@@ -1107,7 +1107,7 @@ index 0000000..5a383d7
 +    if (circ_write(&ssock->circ_buf_output, data, len) != PJ_SUCCESS) {
 +        pj_lock_release(ssock->circ_buf_output_mutex);
 +
-+        gnutls_transport_set_errno(ssock->session, ENOMEM);
++        gnutls_transport_set_errno(ssock->session, PJ_ENOMEM);
 +        return -1;
 +    }
 +
@@ -1130,7 +1130,7 @@ index 0000000..5a383d7
 +        pj_lock_release(ssock->circ_buf_input_mutex);
 +
 +        /* Data buffers not yet filled */
-+        gnutls_transport_set_errno(ssock->session, EAGAIN);
++        gnutls_transport_set_errno(ssock->session, PJ_EAGAIN);
 +        return -1;
 +    }
 +

src/media/video/Makefile.am

@@ -35,3 +35,8 @@ libvideo_la_LIBADD = @LIBAVCODEC_LIBS@ @LIBAVFORMAT_LIBS@ @LIBAVDEVICE_LIBS@ @LI
 
 AM_CXXFLAGS=@LIBAVCODEC_CFLAGS@ @LIBAVFORMAT_CFLAGS@ @LIBAVDEVICE_CFLAGS@ @LIBSWSCALE_CFLAGS@
 AM_CFLAGS=@LIBAVCODEC_CFLAGS@ @LIBAVFORMAT_CFLAGS@ @LIBAVDEVICE_CFLAGS@ @LIBSWSCALE_CFLAGS@
+
+if HAVE_WIN32
+AM_CXXFLAGS+=-static
+AM_CFLAGS+=-static
+endif