for #711, support prefile for transcode. 3.0.12

@@ -174,6 +174,7 @@ Please select your language:
 - [x] [experiment] Support push POST FLV over HTTP, please read [wiki]([CN][v2_CN_Streamer2], [EN][v2_EN_Streamer2]).
 - [x] [experiment] Support multiple processes by [dolphin][srs-dolphin] or [oryx][oryx].
 - [x] [experiment] Support [mgmt console][console], please read [srs-ngb][srs-ngb].
+- [ ] Enhanced HLS audio-only use aac instead of ts.
 - [ ] Enhanced forward with vhost and url variables.
 - [ ] Support source or idle stream cleanup.
 - [ ] Support origin cluster, please read [#464][bug #464], [RTMP 302][bug #92].
@@ -183,6 +184,7 @@ Please select your language:
 
 ### V3 changes
 
+* v3.0, 2017-01-06, for [#711][bug #711] support perfile for transcode. 3.0.12
 * v3.0, 2017-01-05, patch ST for valgrind and ARM. 3.0.11
 * v3.0, 2017-01-05, for [#324][bug #324], always enable hstrs. 3.0.10
 * v3.0, 2016-12-15, fix [#717][bug #717], [#691][bug #691], http api/static/stream support cors. 3.0.9
@@ -1304,6 +1306,7 @@ Winlin
 [bug #511]: https://github.com/ossrs/srs/issues/511
 [bug #717]: https://github.com/ossrs/srs/issues/717
 [bug #691]: https://github.com/ossrs/srs/issues/691
+[bug #711]: https://github.com/ossrs/srs/issues/711
 [bug #xxxxxxxxxx]: https://github.com/ossrs/srs/issues/xxxxxxxxxx
 
 [exo #828]: https://github.com/google/ExoPlayer/pull/828

-console*.conf
-doc/frozen.2Mbps.1644x1028.flv
-doc/frozen.500Kbps.766x480.flv
-doc/kungfupanda3-tlr1_h1080p.200kbps.flv
-doc/kungfupanda3-tlr1_h1080p.300kbps.flv
-doc/kungfupanda3-tlr1_h1080p.400kbps.flv
-doc/kungfupanda3-tlr1_h1080p.500kbps.flv
-doc/kungfupanda3-tlr1_h1080p.600kbps.flv
-doc/kungfupanda3-tlr1_h1080p.700kbps.flv
-doc/kungfupanda3-tlr1_h1080p.800kbps.flv
-doc/kungfupanda3-tlr1_h1080p.8mbps.flv
-doc/kungfupanda3-tlr1_h1080p.900kbps.flv
-doc/time.300kbps.flv
-edge.conf
+*.conf
+doc/frozen*.flv
+doc/kungfupanda*.flv
+doc/time*.flv
 html
 ide/srs_xcode/srs_xcode.xcodeproj/project.xcworkspace/xcshareddata/
 ide/srs_xcode/srs_xcode.xcodeproj/project.xcworkspace/xcuserdata/
 ide/srs_xcode/srs_xcode.xcodeproj/xcuserdata/
-ingest.conf
-origin.conf
 research/aac/
-research/api-server/.idea/
+.idea/
 research/api-server/static-dir/mse
 research/bat/
 research/big/
@@ -33,10 +21,8 @@ research/golang/temp.flv
 research/librtmp/720p.h264.raw
 research/librtmp/test.h264
 research/licenser/
-research/players/.idea/
 research/players/fls_player/
 research/players/mic/
-research/players/srs_player/.idea/
 research/proxy/
 research/redis-ocluster/
 research/rtmfp/

@@ -1277,14 +1277,29 @@ vhost example.transcode.srs.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.
+        # we will build the parameters to fork ffmpeg:
+        #       ffmpeg <perfile>
+        #               -i <iformat> 
+        #               <vfilter> 
+        #               -vcodec <vcodec> -b:v <vbitrate> -r <vfps> -s <vwidth>x<vheight> -profile:v <vprofile> -preset <vpreset>
+        #               <vparams>
+        #               -acodec <acodec> -b:a <abitrate> -ar <asample_rate> -ac <achannels>
+        #               <aparams>
+        #               -f <oformat>
+        #               -y <output>
         engine example {
             # whether the engine is enabled
             # default: off.
             enabled         on;
-            # input format, "ffmpeg -i", can be:
-            # off, do not specifies the format, ffmpeg will guess it.
-            # flv, for flv or RTMP stream.
-            # other format, for example, mp4/aac whatever.
+            # pre-file options, before "-i"
+            perfile {
+                re;
+                rtsp_transport tcp;
+            }
+            # input format "-i", can be:
+            #       off, do not specifies the format, ffmpeg will guess it.
+            #       flv, for flv or RTMP stream.
+            #       other format, for example, mp4/aac whatever.
             # default: flv
             iformat         flv;
             # ffmpeg filters, between "-i" and "-vcodec"

@@ -3982,7 +3982,7 @@ int SrsConfig::check_config()
                                 && e != "vbitrate" && e != "vfps" && e != "vwidth" && e != "vheight"
                                 && e != "vthreads" && e != "vprofile" && e != "vpreset" && e != "vparams"
                                 && e != "acodec" && e != "abitrate" && e != "asample_rate" && e != "achannels"
-                                && e != "aparams" && e != "output"
+                                && e != "aparams" && e != "output" && e != "perfile"
                                 && e != "iformat" && e != "oformat"
                                 ) {
                                 ret = ERROR_SYSTEM_CONFIG_INVALID;
@@ -5377,6 +5377,41 @@ bool SrsConfig::get_engine_enabled(SrsConfDirective* conf)
     return SRS_CONF_PERFER_FALSE(conf->arg0());
 }
 
+string srs_prefix_underscores_ifno(string name)
+{
+    if (srs_string_starts_with(name, "-")) {
+        return name;
+    } else {
+        return "-" + name;
+    }
+}
+
+vector<string> SrsConfig::get_engine_perfile(SrsConfDirective* conf)
+{
+    vector<string> perfile;
+    
+    if (!conf) {
+        return perfile;
+    }
+    
+    conf = conf->get("perfile");
+    if (!conf) {
+        return perfile;
+    }
+    
+    for (int i = 0; i < (int)conf->directives.size(); i++) {
+        SrsConfDirective* option = conf->directives[i];
+        if (!option) {
+            continue;
+        }
+        
+        perfile.push_back(srs_prefix_underscores_ifno(option->name));
+        perfile.push_back(option->arg0());
+    }
+    
+    return perfile;
+}
+
 string SrsConfig::get_engine_iformat(SrsConfDirective* conf)
 {
     static string DEFAULT = "flv";
@@ -5412,7 +5447,7 @@ vector<string> SrsConfig::get_engine_vfilter(SrsConfDirective* conf)
             continue;
         }
         
-        vfilter.push_back("-" + filter->name);
+        vfilter.push_back(srs_prefix_underscores_ifno(filter->name));
         vfilter.push_back(filter->arg0());
     }
     
@@ -5566,7 +5601,7 @@ vector<string> SrsConfig::get_engine_vparams(SrsConfDirective* conf)
             continue;
         }
         
-        vparams.push_back("-" + filter->name);
+        vparams.push_back(srs_prefix_underscores_ifno(filter->name));
         vparams.push_back(filter->arg0());
     }
     
@@ -5656,7 +5691,7 @@ vector<string> SrsConfig::get_engine_aparams(SrsConfDirective* conf)
             continue;
         }
         
-        aparams.push_back("-" + filter->name);
+        aparams.push_back(srs_prefix_underscores_ifno(filter->name));
         aparams.push_back(filter->arg0());
     }
     

@@ -977,6 +977,10 @@ public:
     */
     virtual bool                get_engine_enabled(SrsConfDirective* conf);
     /**
+     * get the perfile of engine
+     */
+    virtual std::vector<std::string> get_engine_perfile(SrsConfDirective* conf);
+    /**
     * get the iformat of engine
     */
     virtual std::string         get_engine_iformat(SrsConfDirective* conf);

@@ -112,6 +112,7 @@ int SrsFFMPEG::initialize_transcode(SrsConfDirective* engine)
 {
     int ret = ERROR_SUCCESS;
     
+    perfile             = _srs_config->get_engine_perfile(engine);
     iformat             = _srs_config->get_engine_iformat(engine);
     vfilter             = _srs_config->get_engine_vfilter(engine);
     vcodec              = _srs_config->get_engine_vcodec(engine);
@@ -264,6 +265,17 @@ int SrsFFMPEG::start()
         params.push_back(_iparams);
     }
     
+    // build the perfile
+    if (!perfile.empty()) {
+        std::vector<std::string>::iterator it;
+        for (it = perfile.begin(); it != perfile.end(); ++it) {
+            std::string p = *it;
+            if (!p.empty()) {
+                params.push_back(p);
+            }
+        }
+    }
+    
     // input.
     if (iformat != "off" && !iformat.empty()) {
         params.push_back("-f");

@@ -51,6 +51,7 @@ private:
 private:
     std::string                 ffmpeg;
     std::string                 _iparams;
+    std::vector<std::string>    perfile;
     std::string                 iformat;
     std::string                 input;
     std::vector<std::string>    vfilter;

@@ -31,7 +31,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 // current release version
 #define VERSION_MAJOR       3
 #define VERSION_MINOR       0
-#define VERSION_REVISION    11
+#define VERSION_REVISION    12
 
 // generated by configure, only macros.
 #include <srs_auto_headers.hpp>