diff --git a/.gitignore b/.gitignore
index 620d3dc8a..d2533b109 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,16 @@
 *.lai
 *.la
 *.a
+
+# by winlin
+*.pyc
+*.swp
+/trunk/Makefile
+/trunk/objs
+/trunk/research/librtmp/objs
+/trunk/3rdparty/ccache/ccache-3.1.9
+/trunk/3rdparty/gprof/graphviz-2.36.0
+/trunk/research/api-server/static-dir/crossdomain.xml
+/trunk/research/api-server/static-dir/forward
+/trunk/research/api-server/static-dir/live
+/trunk/research/api-server/static-dir/players
diff --git a/trunk/auto/depends.sh b/trunk/auto/depends.sh
index d72efd3bd..0fd5997bd 100755
--- a/trunk/auto/depends.sh
+++ b/trunk/auto/depends.sh
@@ -571,6 +571,10 @@ if [ $SRS_RESEARCH = YES ]; then
 
     (cd research/ffempty && make ${SRS_JOBS} && mv ffempty ../../${SRS_OBJS}/research)
     ret=$?; if [[ $ret -ne 0 ]]; then echo "build research/ffempty failed, ret=$ret"; exit $ret; fi
+    
+    # librtmp
+    (cd research/librtmp && mkdir -p objs && ln -sf `pwd`/objs ../../${SRS_OBJS}/research/librtmp)
+    ret=$?; if [[ $ret -ne 0 ]]; then echo "link research/librtmp failed, ret=$ret"; exit $ret; fi
 fi
 
 #####################################################################################
diff --git a/trunk/configure b/trunk/configure
index e30eeede9..ed85ce46d 100755
--- a/trunk/configure
+++ b/trunk/configure
@@ -157,7 +157,7 @@ echo -e "     |     ${SrsGprofSummaryColor}rm -f gmon.out; ./objs/srs -c conf/sr
 echo -e "     |     ${SrsGprofSummaryColor}killall -2 srs # or CTRL+C to stop gprof\${BLACK}"
 echo -e "     |     ${SrsGprofSummaryColor}gprof -b ./objs/srs gmon.out > gprof.srs.log && rm -f gmon.out # gprof report to gprof.srs.log\${BLACK}"
 echo -e "     \${BLACK}+------------------------------------------------------------------------------------\${BLACK}"
-echo -e "     |${SrsResearchSummaryColor}research: ./objs/research, api server, players, ts info.\${BLACK}"
+echo -e "     |${SrsResearchSummaryColor}research: ./objs/research, api server, players, ts info, librtmp.\${BLACK}"
 echo -e "     \${BLACK}+------------------------------------------------------------------------------------\${BLACK}"
 echo -e "     |${SrsBWTCSummaryColor}bandwidth: ./objs/bandwidth, the bandwidth test client\${BLACK}"
 echo -e "     \${BLACK}+------------------------------------------------------------------------------------\${BLACK}"
@@ -176,10 +176,12 @@ echo -e "     |     ${SrsDvrSummaryColor}dvr @see: https://github.com/winlinvip/
 echo -e "     |     ${SrsDvrSummaryColor}dvr: record RTMP stream to flv files.\${BLACK}"
 echo -e "     |     ${SrsNginxSummaryColor}nginx @see: https://github.com/winlinvip/simple-rtmp-server/wiki/DeliveryHLS\${BLACK}"
 echo -e "     |     ${SrsNginxSummaryColor}nginx: delivery HLS stream by nginx\${BLACK}"
+echo -e "     |     ${SrsNginxSummaryColor}nginx: sudo ./objs/nginx/sbin/nginx\${BLACK}"
 echo -e "     |     ${SrsSslSummaryColor}ssl @see: https://github.com/winlinvip/simple-rtmp-server/wiki/RTMPHandshake\${BLACK}"
 echo -e "     |     ${SrsSslSummaryColor}ssl: support RTMP complex handshake for client required, for instance, flash\${BLACK}"
 echo -e "     |     ${SrsFfmpegSummaryColor}ffmpeg @see: https://github.com/winlinvip/simple-rtmp-server/wiki/FFMPEG\${BLACK}"
 echo -e "     |     ${SrsFfmpegSummaryColor}ffmpeg: transcode, mux, ingest tool\${BLACK}"
+echo -e "     |     ${SrsFfmpegSummaryColor}ffmpeg: ./objs/ffmpeg/bin/ffmpeg\${BLACK}"
 echo -e "     |     ${SrsTranscodeSummaryColor}transcode @see: https://github.com/winlinvip/simple-rtmp-server/wiki/FFMPEG\${BLACK}"
 echo -e "     |     ${SrsTranscodeSummaryColor}transcode: support transcoding RTMP stream\${BLACK}"
 echo -e "     |     ${SrsIngestSummaryColor}ingest @see: https://github.com/winlinvip/simple-rtmp-server/wiki/Ingest\${BLACK}"
@@ -192,6 +194,10 @@ echo -e "     |     ${SrsHttpApiSummaryColor}http-api @see: https://github.com/w
 echo -e "     |     ${SrsHttpApiSummaryColor}http-api: support http api to manage server\${BLACK}"
 echo -e "     \${BLACK}+------------------------------------------------------------------------------------\${BLACK}"
 echo -e "\${GREEN}binaries @see: https://github.com/winlinvip/simple-rtmp-server/wiki/Build\${BLACK}"
+
+echo "you can:"
+echo "      ./objs/srs -c conf/srs.conf"
+echo "                  to start the srs server, with config file."
 END
 
 #####################################################################################
@@ -651,12 +657,9 @@ fi
 #####################################################################################
 ip=`ifconfig|grep "inet addr"| grep -v "127.0.0.1"|awk '{print $2}'|awk -F ':' 'NR==1 {print $2}'`
 echo ""
-echo "you can:"
-echo "\" make \" to build the srs(simple rtmp server)."
-echo "\" make help \" to get the usage of make"
+echo "to run 3rdparty application:"
 if [ $SRS_NGINX = YES ]; then
     echo "\" sudo ./objs/nginx/sbin/nginx  \" to start the nginx http server for hls"
-    echo "\" http://$ip \" rtmp players(OSMF/JWPlayer)"
 fi
 if [ $SRS_FFMPEG_TOOL = YES ]; then
     echo -e "\" ./objs/ffmpeg/bin/ffmpeg  \" is used for live stream transcoding"
@@ -664,5 +667,7 @@ fi
 if [ $SRS_HTTP_CALLBACK = YES ]; then
     echo -e "\" python ./research/api-server/server.py 8085  \" to start the api-server"
 fi
-echo "\" ./objs/srs -c conf/srs.conf \" to start the srs live server"
-echo "\" ./objs/srs.test \" to test srs"
+echo ""
+echo "to build:"
+echo "\" make \" to build the srs(simple rtmp server)."
+echo "\" make help \" to get the usage of make"
diff --git a/trunk/research/librtmp/Makefile b/trunk/research/librtmp/Makefile
index 54d0a6737..6002b139f 100644
--- a/trunk/research/librtmp/Makefile
+++ b/trunk/research/librtmp/Makefile
@@ -3,7 +3,7 @@ GCC = gcc
 ifeq ($(HANDSHAKE),)
     ST_ALL      = help
 else
-    ST_ALL      = srs_flv_parser srs_flv_injecter srs_publish srs_play srs_ingest_flv srs_ingest_rtmp srs_detect_rtmp
+    ST_ALL      = objs/srs_flv_parser objs/srs_flv_injecter objs/srs_publish objs/srs_play objs/srs_ingest_flv objs/srs_ingest_rtmp objs/srs_detect_rtmp
 endif
 
 .PHONY: default clean help ssl nossl
@@ -32,7 +32,7 @@ help:
 	@echo "Remark: before make this sample, user must make the srs, with/without ssl"
     
 clean:
-	@rm -f srs_flv_parser srs_flv_injecter srs_publish srs_play srs_ingest_flv srs_ingest_rtmp srs_detect_rtmp
+	@rm -rf objs
 
 # srs library root
 SRS_OBJS = ../../objs
@@ -62,27 +62,29 @@ ifeq ($(HANDSHAKE), SSL)
 endif
 
 ssl:
+	@mkdir -p objs
 	$(MAKE) HANDSHAKE="SSL"
 nossl:
+	@mkdir -p objs
 	$(MAKE) HANDSHAKE="NOSSL"
 
-srs_flv_parser: srs_flv_parser.c $(SRS_RESEARCH_DEPS) $(SRS_LIBRTMP_I) $(SRS_LIBRTMP_L)
-	$(GCC) srs_flv_parser.c $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L) $(EXTRA_CXX_FLAG) -o srs_flv_parser
+objs/srs_flv_parser: srs_flv_parser.c $(SRS_RESEARCH_DEPS) $(SRS_LIBRTMP_I) $(SRS_LIBRTMP_L)
+	$(GCC) srs_flv_parser.c $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L) $(EXTRA_CXX_FLAG) -o objs/srs_flv_parser
 
-srs_flv_injecter: srs_flv_injecter.c $(SRS_RESEARCH_DEPS) $(SRS_LIBRTMP_I) $(SRS_LIBRTMP_L)
-	$(GCC) srs_flv_injecter.c $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L) $(EXTRA_CXX_FLAG) -o srs_flv_injecter
+objs/srs_flv_injecter: srs_flv_injecter.c $(SRS_RESEARCH_DEPS) $(SRS_LIBRTMP_I) $(SRS_LIBRTMP_L)
+	$(GCC) srs_flv_injecter.c $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L) $(EXTRA_CXX_FLAG) -o objs/srs_flv_injecter
 
-srs_publish: srs_publish.c $(SRS_RESEARCH_DEPS) $(SRS_LIBRTMP_I) $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L)
-	$(GCC) srs_publish.c $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L) $(EXTRA_CXX_FLAG) -o srs_publish
+objs/srs_publish: srs_publish.c $(SRS_RESEARCH_DEPS) $(SRS_LIBRTMP_I) $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L)
+	$(GCC) srs_publish.c $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L) $(EXTRA_CXX_FLAG) -o objs/srs_publish
 
-srs_play: srs_play.c $(SRS_RESEARCH_DEPS) $(SRS_LIBRTMP_I) $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L)
-	$(GCC) srs_play.c $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L) $(EXTRA_CXX_FLAG) -o srs_play
+objs/srs_play: srs_play.c $(SRS_RESEARCH_DEPS) $(SRS_LIBRTMP_I) $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L)
+	$(GCC) srs_play.c $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L) $(EXTRA_CXX_FLAG) -o objs/srs_play
 
-srs_ingest_flv: srs_ingest_flv.c $(SRS_RESEARCH_DEPS) $(SRS_LIBRTMP_I) $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L)
-	$(GCC) srs_ingest_flv.c $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L) $(EXTRA_CXX_FLAG) -o srs_ingest_flv
+objs/srs_ingest_flv: srs_ingest_flv.c $(SRS_RESEARCH_DEPS) $(SRS_LIBRTMP_I) $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L)
+	$(GCC) srs_ingest_flv.c $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L) $(EXTRA_CXX_FLAG) -o objs/srs_ingest_flv
 
-srs_ingest_rtmp: srs_ingest_rtmp.c $(SRS_RESEARCH_DEPS) $(SRS_LIBRTMP_I) $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L)
-	$(GCC) srs_ingest_rtmp.c $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L) $(EXTRA_CXX_FLAG) -o srs_ingest_rtmp
+objs/srs_ingest_rtmp: srs_ingest_rtmp.c $(SRS_RESEARCH_DEPS) $(SRS_LIBRTMP_I) $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L)
+	$(GCC) srs_ingest_rtmp.c $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L) $(EXTRA_CXX_FLAG) -o objs/srs_ingest_rtmp
 
-srs_detect_rtmp: srs_detect_rtmp.c $(SRS_RESEARCH_DEPS) $(SRS_LIBRTMP_I) $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L)
-	$(GCC) srs_detect_rtmp.c $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L) $(EXTRA_CXX_FLAG) -o srs_detect_rtmp
+objs/srs_detect_rtmp: srs_detect_rtmp.c $(SRS_RESEARCH_DEPS) $(SRS_LIBRTMP_I) $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L)
+	$(GCC) srs_detect_rtmp.c $(SRS_LIBRTMP_L) $(SRS_LIBSSL_L) $(EXTRA_CXX_FLAG) -o objs/srs_detect_rtmp
diff --git a/trunk/src/libs/srs_librtmp.hpp b/trunk/src/libs/srs_librtmp.hpp
index d5b0f9c7f..b3c02c90f 100644
--- a/trunk/src/libs/srs_librtmp.hpp
+++ b/trunk/src/libs/srs_librtmp.hpp
@@ -42,7 +42,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 extern "C"{
 #endif
 
-// the output handler.
+// the RTMP handler.
 typedef void* srs_rtmp_t;
 
 /**