refine macro, use ffmpeg_stub and ffmpeg_tool, 0.9.224

@@ -658,12 +658,19 @@ if [ $SRS_FFMPEG_TOOL = YES ]; then
     if [ ! -f ${SRS_OBJS}/ffmpeg/bin/ffmpeg ]; then echo "build ffmpeg-2.1 failed."; exit -1; fi
 fi
 
+# whether compile ffmpeg tool
+if [ $SRS_FFMPEG_TOOL = YES ]; then
+    echo "#define SRS_AUTO_FFMPEG_TOOL" >> $SRS_AUTO_HEADERS_H
+else
+    echo "#undef SRS_AUTO_FFMPEG_TOOL" >> $SRS_AUTO_HEADERS_H
+fi
+
 # whatever the FFMPEG tools, if transcode and ingest specified,
 # srs always compile the FFMPEG tool stub which used to start the FFMPEG process.
 if [ $SRS_FFMPEG_STUB = YES ]; then
-    echo "#define SRS_AUTO_FFMPEG" >> $SRS_AUTO_HEADERS_H
+    echo "#define SRS_AUTO_FFMPEG_STUB" >> $SRS_AUTO_HEADERS_H
 else
-    echo "#undef SRS_AUTO_FFMPEG" >> $SRS_AUTO_HEADERS_H
+    echo "#undef SRS_AUTO_FFMPEG_STUB" >> $SRS_AUTO_HEADERS_H
 fi
 
 if [ $SRS_TRANSCODE = YES ]; then

@@ -36,7 +36,7 @@ using namespace std;
 #include <srs_kernel_log.hpp>
 #include <srs_app_config.hpp>
 
-#ifdef SRS_AUTO_FFMPEG
+#ifdef SRS_AUTO_FFMPEG_STUB
 
 #define SRS_RTMP_ENCODER_COPY           "copy"
 #define SRS_RTMP_ENCODER_NO_VIDEO       "vn"

@@ -29,7 +29,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 #include <srs_core.hpp>
 
-#ifdef SRS_AUTO_FFMPEG
+#ifdef SRS_AUTO_FFMPEG_STUB
 
 #include <string>
 #include <vector>

@@ -31,7 +31,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 // current release version
 #define VERSION_MAJOR "0"
 #define VERSION_MINOR "9"
-#define VERSION_REVISION "223"
+#define VERSION_REVISION "224"
 #define RTMP_SIG_SRS_VERSION VERSION_MAJOR"."VERSION_MINOR"."VERSION_REVISION
 // server info.
 #define RTMP_SIG_SRS_KEY "SRS"

@@ -125,7 +125,7 @@ void show_macro_features()
     srs_warn("compile nginx: off");
 #endif
 
-#ifdef SRS_AUTO_FFMPEG
+#ifdef SRS_AUTO_FFMPEG_TOOL
     srs_trace("compile ffmpeg: on");
 #else
     srs_warn("compile ffmpeg: off");