From dae7af8444f78ad8c7116227b11fdff6395d58aa Mon Sep 17 00:00:00 2001
From: winlin <winlin@vip.126.com>
Date: Sat, 28 Mar 2020 20:52:42 +0800
Subject: [PATCH] For #307, rtc support osx

---
 trunk/3rdparty/ffmpeg-4.2-fit/libavutil/avconfig.h | 6 ------
 trunk/auto/depends.sh                              | 2 +-
 trunk/configure                                    | 5 +++++
 trunk/src/app/srs_app_rtc_conn.cpp                 | 7 +++++++
 4 files changed, 13 insertions(+), 7 deletions(-)
 delete mode 100644 trunk/3rdparty/ffmpeg-4.2-fit/libavutil/avconfig.h

diff --git a/trunk/3rdparty/ffmpeg-4.2-fit/libavutil/avconfig.h b/trunk/3rdparty/ffmpeg-4.2-fit/libavutil/avconfig.h
deleted file mode 100644
index 8558b3502..000000000
--- a/trunk/3rdparty/ffmpeg-4.2-fit/libavutil/avconfig.h
+++ /dev/null
@@ -1,6 +0,0 @@
-/* Generated by ffmpeg configure */
-#ifndef AVUTIL_AVCONFIG_H
-#define AVUTIL_AVCONFIG_H
-#define AV_HAVE_BIGENDIAN 0
-#define AV_HAVE_FAST_UNALIGNED 0
-#endif /* AVUTIL_AVCONFIG_H */
diff --git a/trunk/auto/depends.sh b/trunk/auto/depends.sh
index f9f7aa1da..0b0682237 100755
--- a/trunk/auto/depends.sh
+++ b/trunk/auto/depends.sh
@@ -365,7 +365,7 @@ if [ $SRS_EXPORT_LIBRTMP_PROJECT = NO ]; then
         echo "Building srtp2.";
         (
             rm -rf ${SRS_OBJS}/srtp2 && cd ${SRS_OBJS} &&
-            unzip -q ../3rdparty/libsrtp-2.0.0.zip && cd libsrtp-2.0.0 && 
+            rm -rf libsrtp-2.0.0 && unzip -q ../3rdparty/libsrtp-2.0.0.zip && cd libsrtp-2.0.0 &&
             ./configure --prefix=`pwd`/_release && make ${SRS_JOBS} && make install &&
             cd .. && rm -f srtp2 && ln -sf libsrtp-2.0.0/_release srtp2
         )
diff --git a/trunk/configure b/trunk/configure
index 3b07b394c..99852914d 100755
--- a/trunk/configure
+++ b/trunk/configure
@@ -684,6 +684,11 @@ if [ $SRS_EXPORT_LIBRTMP_PROJECT = NO ]; then
     else
         echo -e "${GREEN}Warning: SRT is disabled.${BLACK}"
     fi
+    if [ $SRS_RTC = YES ]; then
+        echo -e "${YELLOW}Experiment: RTC is enabled. https://github.com/ossrs/srs/issues/307${BLACK}"
+    else
+        echo -e "${GREEN}Warning: RTC is disabled.${BLACK}"
+    fi
     if [ $SRS_DVR = YES ]; then
         echo -e "${GREEN}DVR is enabled.${BLACK}"
     else
diff --git a/trunk/src/app/srs_app_rtc_conn.cpp b/trunk/src/app/srs_app_rtc_conn.cpp
index da08a5cf3..d02e1ca43 100644
--- a/trunk/src/app/srs_app_rtc_conn.cpp
+++ b/trunk/src/app/srs_app_rtc_conn.cpp
@@ -810,6 +810,13 @@ srs_error_t SrsRtcSession::check_source()
     return err;
 }
 
+#ifdef SRS_AUTO_OSX
+// These functions are similar to the older byteorder(3) family of functions.
+// For example, be32toh() is identical to ntohl().
+// @see https://linux.die.net/man/3/be32toh
+#define be32toh ntohl
+#endif
+
 srs_error_t SrsRtcSession::on_binding_request(SrsUdpMuxSocket* udp_mux_skt, SrsStunPacket* stun_req)
 {
     srs_error_t err = srs_success;