diff --git a/README.md b/README.md
index f245e047c..5eaa821f0 100755
--- a/README.md
+++ b/README.md
@@ -222,6 +222,7 @@ usr sys idl wai hiq siq| read  writ| recv  send|  in   out | int   csw
 * nginx v1.5.0: 139524 lines <br/>
 
 ## History
+* v1.0, 2014-04-11, add speex1.2 to transcode flash encoder stream. change to 0.9.58
 * v1.0, 2014-04-10, support reload ingesters(add/remov/update). change to 0.9.57.
 * v1.0, 2014-04-07, [1.0 mainline(0.9.55)](https://github.com/winlinvip/simple-rtmp-server/releases/tag/1.0.mainline) released. 30000 lines.
 * v1.0, 2014-04-07, support [ingest](https://github.com/winlinvip/simple-rtmp-server/wiki/SampleIngest) file/stream/device.
diff --git a/trunk/3rdparty/readme.txt b/trunk/3rdparty/readme.txt
old mode 100755
new mode 100644
index 7ec760977..315a7576d
--- a/trunk/3rdparty/readme.txt
+++ b/trunk/3rdparty/readme.txt
@@ -18,6 +18,7 @@ yasm-1.2.0.tar.gz
 lame-3.99.5.tar.gz
 libaacplus-2.0.2.tar.gz
 libaacplus-patch-26410-800.zip (26410-800.zip)
+speex-1.2rc1.zip
 x264-snapshot-20131129-2245-stable.tar.bz2 (core.138)
     for srs to support live stream transcoding.
     remark: we use *.zip for all linux plantform.
@@ -72,4 +73,7 @@ links:
     gperftools:
         https://code.google.com/p/gperftools/
         https://code.google.com/p/gperftools/downloads/list
+    speex:
+        http://www.speex.org/downloads/
+        http://downloads.xiph.org/releases/speex/speex-1.2rc1.tar.gz
 
diff --git a/trunk/3rdparty/speex-1.2rc1.zip b/trunk/3rdparty/speex-1.2rc1.zip
new file mode 100644
index 000000000..4743180cc
Binary files /dev/null and b/trunk/3rdparty/speex-1.2rc1.zip differ
diff --git a/trunk/auto/build_ffmpeg.sh b/trunk/auto/build_ffmpeg.sh
index 23949abad..1eeb0d575 100755
--- a/trunk/auto/build_ffmpeg.sh
+++ b/trunk/auto/build_ffmpeg.sh
@@ -58,6 +58,17 @@ else
     ret=$?; if [[ 0 -ne ${ret} ]]; then echo "build lame-3.99.5 failed"; exit 1; fi
 fi
 
+# speex-1.2rc1
+if [[ -f ${ff_release_dir}/lib/libspeex.a ]]; then
+    echo "libspeex is ok"
+else
+    echo "build speex-1.2rc1"
+    cd $ff_current_dir &&
+    rm -rf speex-1.2rc1 && unzip -q ${ff_src_dir}/speex-1.2rc1.zip &&
+    cd speex-1.2rc1 && ./configure --prefix=${ff_release_dir} --enable-static && make ${SRS_JOBS} && make install
+    ret=$?; if [[ 0 -ne ${ret} ]]; then echo "build speex-1.2rc1 failed"; exit 1; fi
+fi
+
 # x264 core.138
 if [[ -f ${ff_release_dir}/lib/libx264.a ]]; then
     echo "x264 is ok"
@@ -93,7 +104,7 @@ else
         --disable-ffplay --disable-ffprobe --disable-ffserver --disable-doc \
         --enable-postproc --enable-bzlib --enable-zlib --enable-parsers \
         --enable-libfreetype \
-        --enable-libx264 --enable-libmp3lame --enable-libaacplus \
+        --enable-libx264 --enable-libmp3lame --enable-libaacplus --enable-libspeex \
         --enable-pthreads --extra-libs=-lpthread \
         --enable-encoders --enable-decoders --enable-avfilter --enable-muxers --enable-demuxers && 
     make ${SRS_JOBS} && make install
diff --git a/trunk/src/core/srs_core.hpp b/trunk/src/core/srs_core.hpp
index ffc8c6b0f..d20834649 100644
--- a/trunk/src/core/srs_core.hpp
+++ b/trunk/src/core/srs_core.hpp
@@ -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 "57"
+#define VERSION_REVISION "58"
 #define RTMP_SIG_SRS_VERSION VERSION_MAJOR"."VERSION_MINOR"."VERSION_REVISION
 // server info.
 #define RTMP_SIG_SRS_KEY "srs"