fix bug of core

@@ -20,7 +20,7 @@ vhost __defaultVhost__ {
     transcode {
         enabled     on;
         ffmpeg      ./objs/ffmpeg/bin/ffmpeg;
-        engine ld{
+        engine ld {
             enabled         on;
             vfilter {
                 vf                  'drawtext=text=SimpleRtmpServer(SRS):x=10:y=10:fontcolor=#cccccc:fontfile=./doc/FreeSerifBold.ttf';
@@ -43,7 +43,7 @@ vhost __defaultVhost__ {
             }
             output          rtmp://127.0.0.1:[port]/[app]?vhost=[vhost]/[stream]_[engine];
         }
-        engine sd{
+        engine sd {
             enabled         on;
             vfilter {
                 vf                  'split [main][tmp]; [tmp] crop=iw:ih/2:0:0, vflip [flip]; [main][flip] overlay=0:H/2';
@@ -76,11 +76,11 @@ vhost dev {
     hls_path        ./objs/nginx/html;
     hls_fragment    5;
     hls_window      30;
-    forward         127.0.0.1:19350?vhost=dev;
+    forward         127.0.0.1:19350;
     transcode {
         enabled     on;
         ffmpeg      ./objs/ffmpeg/bin/ffmpeg;
-        engine dev{
+        engine dev {
             enabled         on;
             vfilter {
             }
@@ -109,7 +109,7 @@ vhost mirror.transcode.vhost.com {
     transcode {
         enabled     on;
         ffmpeg      ./objs/ffmpeg/bin/ffmpeg;
-        engine mirror{
+        engine mirror {
             enabled         on;
             vfilter {
                 vf                  'split [main][tmp]; [tmp] crop=iw:ih/2:0:0, vflip [flip]; [main][flip] overlay=0:H/2';
@@ -139,7 +139,7 @@ vhost drawtext.transcode.vhost.com {
     transcode {
         enabled     on;
         ffmpeg      ./objs/ffmpeg/bin/ffmpeg;
-        engine drawtext{
+        engine drawtext {
             enabled         on;
             vfilter {
                 vf                  'drawtext=text=SimpleRtmpServer(SRS):x=10:y=10:fontcolor=#cccccc:fontfile=./doc/FreeSerifBold.ttf';
@@ -169,7 +169,7 @@ vhost crop.transcode.vhost.com {
     transcode {
         enabled     on;
         ffmpeg      ./objs/ffmpeg/bin/ffmpeg;
-        engine crop{
+        engine crop {
             enabled         on;
             vfilter {
                 vf                  'crop=in_w-20:in_h-160:10:80';
@@ -199,7 +199,7 @@ vhost logo.transcode.vhost.com {
     transcode {
         enabled     on;
         ffmpeg      ./objs/ffmpeg/bin/ffmpeg;
-        engine logo{
+        engine logo {
             enabled         on;
             vfilter {
                 vf                  'crop=200:100:10:10';
@@ -237,7 +237,7 @@ vhost all.transcode.vhost.com {
         # the transcode engine for matched stream.
         # all matched stream will transcoded to the following stream.
         # the transcode set name(ie. hd) is optional and not used.
-        engine ffsuper{
+        engine ffsuper {
             # whether the engine is enabled
             # default: off.
             enabled         on;
@@ -300,7 +300,7 @@ vhost all.transcode.vhost.com {
             # [engine] the tanscode engine name.
             output          rtmp://127.0.0.1:[port]/[app]?vhost=[vhost]/[stream]_[engine];
         }
-        engine ffhd{
+        engine ffhd {
             enabled         on;
             vcodec          libx264;
             vbitrate        1200;
@@ -318,9 +318,9 @@ vhost all.transcode.vhost.com {
             achannels       2;
             aparams {
             }
-            output          rtmp://[vhost]:[port]/[app]/[stream]_ffhd;
+            output          rtmp://127.0.0.1:[port]/[app]?vhost=[vhost]/[stream]_[engine];
         }
-        engine ffsd{
+        engine ffsd {
             enabled         on;
             vcodec          libx264;
             vbitrate        800;
@@ -338,9 +338,9 @@ vhost all.transcode.vhost.com {
             achannels       2;
             aparams {
             }
-            output          rtmp://[vhost]:[port]/[app]/[stream]_ffsd;
+            output          rtmp://127.0.0.1:[port]/[app]?vhost=[vhost]/[stream]_[engine];
         }
-        engine fffast{
+        engine fffast {
             enabled     on;
             vcodec          libx264;
             vbitrate        300;
@@ -358,7 +358,7 @@ vhost all.transcode.vhost.com {
             achannels       2;
             aparams {
             }
-            output          rtmp://[vhost]:[port]/[app]/[stream]_fffast;
+            output          rtmp://127.0.0.1:[port]/[app]?vhost=[vhost]/[stream]_[engine];
         }
     }
 }
@@ -367,7 +367,7 @@ vhost ffempty.transcode.vhost.com {
     transcode {
         enabled     on;
         ffmpeg ./research/ffempty/ffempty;
-        engine empty{
+        engine empty {
             enabled         on;
             vcodec          libx264;
             vbitrate        300;
@@ -385,7 +385,7 @@ vhost ffempty.transcode.vhost.com {
             achannels       2;
             aparams {
             }
-            output          rtmp://[vhost]:[port]/[app]/[stream]_empty;
+            output          rtmp://127.0.0.1:[port]/[app]?vhost=[vhost]/[stream]_[engine];
         }
     }
 }
@@ -396,7 +396,7 @@ vhost app.transcode.vhost.com {
     transcode live {
         enabled     on;
         ffmpeg      ./objs/ffmpeg/bin/ffmpeg;
-        engine fd{
+        engine {
             enabled     off;
         }
     }
@@ -408,13 +408,13 @@ vhost stream.transcode.vhost.com {
     transcode live/livestream {
         enabled     on;
         ffmpeg      ./objs/ffmpeg/bin/ffmpeg;
-        engine fd{
+        engine {
             enabled     off;
         }
     }
 }
 # the vhost which forward publish streams.
-vhost forward.vhost.com {
+vhost same.vhost.forward.vhost.com {
     # forward all publish stream to the specified server.
     # this used to split/forward the current stream for cluster active-standby,
     # active-active for cdn to build high available fault tolerance system.
@@ -425,7 +425,7 @@ vhost forward.vhost.com {
     forward         127.0.0.1:1936 127.0.0.1:1937;
 }
 # the vhost which forward publish streams to other vhosts.
-vhost forward1.vhost.com {
+vhost change.vhost.forward.vhost.com {
     forward         127.0.0.1:1936?vhost=forward2.vhost.com 127.0.0.1:1937?vhost=forward3.vhost.com;
 }
 # the vhost disabled.

@@ -92,6 +92,7 @@ void srs_vhost_resolve(std::string& vhost, std::string& app)
 {
 	app = srs_replace(app, "...", "?");
 	
+	size_t pos = 0;
 	if ((pos = app.find("?")) == std::string::npos) {
 		return;
 	}