fix #150, forward should forward the sequence header when retry. 0.9.208.

@@ -208,6 +208,7 @@ Supported operating systems and hardware:
 * 2013-10-17, Created.<br/>
 
 ## History
+* v1.0, 2014-08-24, fix [#150](https://github.com/winlinvip/simple-rtmp-server/issues/150), forward should forward the sequence header when retry. 0.9.208.
 * v1.0, 2014-08-22, for [#165](https://github.com/winlinvip/simple-rtmp-server/issues/165), refine dh wrapper, ensure public key is 128bytes. 0.9.206.
 * v1.0, 2014-08-19, for [#160](https://github.com/winlinvip/simple-rtmp-server/issues/160), support forward/edge to flussonic, disable debug_srs_upnode to make flussonic happy. 0.9.201.
 * v1.0, 2014-08-17, for [#155](https://github.com/winlinvip/simple-rtmp-server/issues/155), refine for osx, with ssl/http, disable statistics. 0.9.198.

@@ -46,6 +46,7 @@ using namespace std;
 #include <srs_protocol_msg_array.hpp>
 #include <srs_app_utility.hpp>
 #include <srs_protocol_amf0.hpp>
+#include <srs_kernel_codec.hpp>
 
 // when error, forwarder sleep for a while and retry.
 #define SRS_FORWARDER_SLEEP_US (int64_t)(3*1000*1000LL)
@@ -64,6 +65,8 @@ SrsForwarder::SrsForwarder(SrsSource* _source)
     pthread = new SrsThread(this, SRS_FORWARDER_SLEEP_US, true);
     queue = new SrsMessageQueue();
     jitter = new SrsRtmpJitter();
+    
+    sh_video = sh_audio = NULL;
 }
 
 SrsForwarder::~SrsForwarder()
@@ -74,6 +77,9 @@ SrsForwarder::~SrsForwarder()
     srs_freep(queue);
     srs_freep(jitter);
     srs_freep(kbps);
+    
+    srs_freep(sh_video);
+    srs_freep(sh_audio);
 }
 
 int SrsForwarder::initialize(SrsRequest* req, string ep_forward)
@@ -179,6 +185,11 @@ int SrsForwarder::on_audio(SrsSharedPtrMessage* msg)
         return ret;
     }
     
+    if (SrsFlvCodec::audio_is_sequence_header(msg->payload, msg->size)) {
+        srs_freep(sh_audio);
+        sh_audio = msg->copy();
+    }
+    
     if ((ret = queue->enqueue(msg)) != ERROR_SUCCESS) {
         return ret;
     }
@@ -195,6 +206,11 @@ int SrsForwarder::on_video(SrsSharedPtrMessage* msg)
         return ret;
     }
     
+    if (SrsFlvCodec::video_is_sequence_header(msg->payload, msg->size)) {
+        srs_freep(sh_video);
+        sh_video = msg->copy();
+    }
+    
     if ((ret = queue->enqueue(msg)) != ERROR_SUCCESS) {
         return ret;
     }
@@ -371,6 +387,21 @@ int SrsForwarder::forward()
 
     SrsSharedPtrMessageArray msgs(SYS_MAX_FORWARD_SEND_MSGS);
     
+    // update sequence header
+    // TODO: FIXME: maybe need to zero the sequence header timestamp.
+    if (sh_video) {
+        if ((ret = client->send_and_free_message(sh_video->copy(), stream_id)) != ERROR_SUCCESS) {
+            srs_error("forwarder send sh_video to server failed. ret=%d", ret);
+            return ret;
+        }
+    }
+    if (sh_audio) {
+        if ((ret = client->send_and_free_message(sh_audio->copy(), stream_id)) != ERROR_SUCCESS) {
+            srs_error("forwarder send sh_audio to server failed. ret=%d", ret);
+            return ret;
+        }
+    }
+    
     while (pthread->can_loop()) {
         // switch to other st-threads.
         st_usleep(0);

@@ -65,6 +65,12 @@ private:
     SrsRtmpClient* client;
     SrsRtmpJitter* jitter;
     SrsMessageQueue* queue;
+    /**
+    * cache the sequence header for retry when slave is failed.
+    * @see https://github.com/winlinvip/simple-rtmp-server/issues/150
+    */
+    SrsSharedPtrMessage* sh_audio;
+    SrsSharedPtrMessage* sh_video;
 public:
     SrsForwarder(SrsSource* _source);
     virtual ~SrsForwarder();

@@ -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 "207"
+#define VERSION_REVISION "208"
 #define RTMP_SIG_SRS_VERSION VERSION_MAJOR"."VERSION_MINOR"."VERSION_REVISION
 // server info.
 #define RTMP_SIG_SRS_KEY "SRS"