add forward sample

@@ -22,11 +22,15 @@ step 2: start srs <br/>
 <pre>
 ./objs/simple_rtmp_server -c conf/srs.conf
 </pre>
-step 3(optional): start nginx for HLS <br/>
+step 3(optinal): start srs listen at 19350 for forward<br/>
+<pre>
+./objs/simple_rtmp_server -c conf/srs.19350.conf
+</pre>
+step 4(optional): start nginx for HLS <br/>
 <pre>
 sudo ./objs/nginx/sbin/nginx
 </pre>
-step 4: publish live stream <br/>
+step 5: publish live stream <br/>
 <pre>
 FMS URL: rtmp://127.0.0.1:1935/live
 Stream:  livestream
@@ -37,18 +41,25 @@ For example, use ffmpeg to publish:
         sleep 1; \
     done
 </pre>
-step 5: play live stream <br/>
+step 6: play live stream <br/>
 <pre>
 rtmp url: rtmp://127.0.0.1:1935/live/livestream
 m3u8 url: http://127.0.0.1:80/live/livestream.m3u8
 </pre>
-step 6: play live stream auto transcoded<br/>
+step 7: play live stream auto transcoded<br/>
 <pre>
 rtmp url: rtmp://127.0.0.1:1935/live/livestream_ld
 m3u8 url: http://127.0.0.1:80/live/livestream_ld.m3u8
 rtmp url: rtmp://127.0.0.1:1935/live/livestream_sd
 m3u8 url: http://127.0.0.1:80/live/livestream_sd.m3u8
 </pre>
+step 8: play live stream auto forwarded, the hls dir change to /forward<br/>
+<pre>
+rtmp url: rtmp://127.0.0.1:19350/live/livestream_ld
+m3u8 url: http://127.0.0.1:80/forward/live/livestream_ld.m3u8
+rtmp url: rtmp://127.0.0.1:19350/live/livestream_sd
+m3u8 url: http://127.0.0.1:80/forward/live/livestream_sd.m3u8
+</pre>
 
 ### System Requirements
 Supported operating systems and hardware:

@@ -67,6 +67,9 @@ if [ $SRS_HLS = YES ]; then
     # nginx default use nobody, so cannot read the ts/m3u8 created by srs.
     cp ${SRS_OBJS}/nginx/conf/nginx.conf ${SRS_OBJS}/nginx/conf/nginx.conf.bk
     sed -i "s/^.user  nobody;/user `whoami`;/g" ${SRS_OBJS}/nginx/conf/nginx.conf
+    
+    # create forward dir
+    mkdir -p ${SRS_OBJS}/nginx/html/forward
 fi
 
 if [ $SRS_HLS = YES ]; then

+listen              19350;
+chunk_size          65000;
+vhost __defaultVhost__ {
+    enabled         on;
+    gop_cache       on;
+    hls             on;
+    hls_path        ./objs/nginx/html/forward;
+    hls_fragment    5;
+    hls_window      30;
+}
+

@@ -15,7 +15,7 @@ vhost __defaultVhost__ {
     hls_path        ./objs/nginx/html;
     hls_fragment    5;
     hls_window      30;
-    #forward         127.0.0.1:1936;
+    forward         127.0.0.1:19350;
     transcode {
         enabled     on;
         ffmpeg      ./objs/ffmpeg/bin/ffmpeg;
@@ -28,8 +28,8 @@ vhost __defaultVhost__ {
             vcodec          libx264;
             vbitrate        300;
             vfps            20;
-            vwidth          768;
-            vheight         320;
+            vwidth          1152;
+            vheight         480;
             vthreads        1;
             vprofile        baseline;
             vpreset         superfast;
@@ -51,8 +51,8 @@ vhost __defaultVhost__ {
             vcodec          libx264;
             vbitrate        500;
             vfps            20;
-            vwidth          768;
-            vheight         320;
+            vwidth          1152;
+            vheight         480;
             vthreads        1;
             vprofile        main;
             vpreset         fast;
@@ -81,8 +81,8 @@ vhost mirror.transcode.vhost.com {
             vcodec          libx264;
             vbitrate        300;
             vfps            20;
-            vwidth          480;
-            vheight         320;
+            vwidth          1152;
+            vheight         480;
             vthreads        2;
             vprofile        baseline;
             vpreset         superfast;
@@ -111,8 +111,8 @@ vhost drawtext.transcode.vhost.com {
             vcodec          libx264;
             vbitrate        300;
             vfps            20;
-            vwidth          480;
-            vheight         320;
+            vwidth          1152;
+            vheight         480;
             vthreads        2;
             vprofile        baseline;
             vpreset         superfast;
@@ -141,8 +141,8 @@ vhost crop.transcode.vhost.com {
             vcodec          libx264;
             vbitrate        300;
             vfps            20;
-            vwidth          480;
-            vheight         320;
+            vwidth          1152;
+            vheight         480;
             vthreads        2;
             vprofile        baseline;
             vpreset         superfast;
@@ -171,8 +171,8 @@ vhost logo.transcode.vhost.com {
             vcodec          libx264;
             vbitrate        300;
             vfps            20;
-            vwidth          480;
-            vheight         320;
+            vwidth          1152;
+            vheight         480;
             vthreads        2;
             vprofile        baseline;
             vpreset         superfast;
@@ -220,7 +220,7 @@ vhost all.transcode.vhost.com {
             # video framerate.
             vfps            25;
             # video width, must be even numbers.
-            vwidth          1280;
+            vwidth          1728;
             # video height, must be even numbers.
             vheight         720;
             # the max threads for ffmpeg to used.
@@ -268,7 +268,7 @@ vhost all.transcode.vhost.com {
             vcodec          libx264;
             vbitrate        1200;
             vfps            25;
-            vwidth          1024;
+            vwidth          1382;
             vheight         576;
             vthreads        6;
             vprofile        main;
@@ -288,7 +288,7 @@ vhost all.transcode.vhost.com {
             vcodec          libx264;
             vbitrate        800;
             vfps            25;
-            vwidth          720;
+            vwidth          1152;
             vheight         480;
             vthreads        4;
             vprofile        main;
@@ -308,7 +308,7 @@ vhost all.transcode.vhost.com {
             vcodec          libx264;
             vbitrate        300;
             vfps            20;
-            vwidth          480;
+            vwidth          768;
             vheight         320;
             vthreads        2;
             vprofile        baseline;
@@ -335,7 +335,7 @@ vhost ffempty.transcode.vhost.com {
             vcodec          libx264;
             vbitrate        300;
             vfps            20;
-            vwidth          480;
+            vwidth          768;
             vheight         320;
             vthreads        2;
             vprofile        baseline;