merge srs2 for #536

@@ -1363,6 +1363,7 @@ Winlin
 [bug #588]: https://github.com/ossrs/srs/issues/588
 [bug #740]: https://github.com/ossrs/srs/issues/740
 [bug #xxxxxxxxxx]: https://github.com/ossrs/srs/issues/xxxxxxxxxx
+
 [bug #735]: https://github.com/ossrs/srs/issues/735
 [bug #xxxxxxxxxx]: https://github.com/ossrs/srs/issues/xxxxxxxxxx
 

@@ -333,7 +333,6 @@
 		3C1EE6D01AB1080900576EE9 /* srs.conf */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; name = srs.conf; path = ../../../conf/srs.conf; sourceTree = "<group>"; };
 		3C1EE6D11AB1080900576EE9 /* transcode2hls.audio.only.conf */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; name = transcode2hls.audio.only.conf; path = ../../../conf/transcode2hls.audio.only.conf; sourceTree = "<group>"; };
 		3C1EE6D31AB1367D00576EE9 /* AUTHORS.txt */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; name = AUTHORS.txt; path = ../../../AUTHORS.txt; sourceTree = "<group>"; };
-		3C1EE6D41AB1367D00576EE9 /* DONATIONS.txt */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; name = DONATIONS.txt; path = ../../../DONATIONS.txt; sourceTree = "<group>"; };
 		3C1EE6D51AB1367D00576EE9 /* LICENSE */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; name = LICENSE; path = ../../../LICENSE; sourceTree = "<group>"; };
 		3C1EE6D61AB1367D00576EE9 /* README.md */ = {isa = PBXFileReference; explicitFileType = net.daringfireball.markdown; fileEncoding = 4; name = README.md; path = ../../../README.md; sourceTree = "<group>"; wrapsLines = 0; };
 		3C24ECCB1C3B824800460622 /* memory.error.notcmalloc.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = memory.error.notcmalloc.cpp; path = ../../../research/gperftools/memory.error.notcmalloc.cpp; sourceTree = "<group>"; };
@@ -788,7 +787,6 @@
 			isa = PBXGroup;
 			children = (
 				3C1EE6D31AB1367D00576EE9 /* AUTHORS.txt */,
-				3C1EE6D41AB1367D00576EE9 /* DONATIONS.txt */,
 				3C1EE6D51AB1367D00576EE9 /* LICENSE */,
 				3C1EE6D61AB1367D00576EE9 /* README.md */,
 			);

@@ -298,6 +298,10 @@ int SrsEncoder::initialize_ffmpeg(SrsFFMPEG* ffmpeg, SrsRequest* req, SrsConfDir
         log_file += req->app;
         log_file += "-";
         log_file += req->stream;
+        if (!engine->args.empty()) {
+            log_file += "-";
+            log_file += engine->arg0();
+        }
         log_file += ".log";
     }
 

@@ -47,6 +47,7 @@ class SrsFFMPEG
 private:
     SrsProcess* process;
     std::vector<std::string> params;
+private:
     std::string log_file;
 private:
     std::string                 ffmpeg;