support reload dvr

@@ -851,6 +851,17 @@ int SrsConfig::reload_vhost(SrsConfDirective* old_root)
                 }
                 srs_trace("vhost %s reload hls success.", vhost.c_str());
             }
+            // dvr, only one per vhost
+            if (!srs_directive_equals(new_vhost->get("dvr"), old_vhost->get("dvr"))) {
+                for (it = subscribes.begin(); it != subscribes.end(); ++it) {
+                    ISrsReloadHandler* subscribe = *it;
+                    if ((ret = subscribe->on_reload_vhost_dvr(vhost)) != ERROR_SUCCESS) {
+                        srs_error("vhost %s notify subscribes dvr failed. ret=%d", vhost.c_str(), ret);
+                        return ret;
+                    }
+                }
+                srs_trace("vhost %s reload hls success.", vhost.c_str());
+            }
             // http, only one per vhost.
             if (!srs_directive_equals(new_vhost->get("http"), old_vhost->get("http"))) {
                 for (it = subscribes.begin(); it != subscribes.end(); ++it) {

@@ -364,6 +364,10 @@ int SrsDvr::on_meta_data(SrsOnMetaDataPacket* metadata)
 {
     int ret = ERROR_SUCCESS;
     
+    if (!dvr_enabled) {
+        return ret;
+    }
+    
     int size = 0;
     char* payload = NULL;
     if ((ret = metadata->encode(size, payload)) != ERROR_SUCCESS) {
@@ -382,6 +386,12 @@ int SrsDvr::on_audio(SrsSharedPtrMessage* audio)
 {
     int ret = ERROR_SUCCESS;
     
+    SrsAutoFree(SrsSharedPtrMessage, audio, false);
+    
+    if (!dvr_enabled) {
+        return ret;
+    }
+    
     int32_t timestamp = audio->header.timestamp;
     char* payload = (char*)audio->payload;
     int size = (int)audio->size;
@@ -396,6 +406,12 @@ int SrsDvr::on_video(SrsSharedPtrMessage* video)
 {
     int ret = ERROR_SUCCESS;
     
+    SrsAutoFree(SrsSharedPtrMessage, video, false);
+    
+    if (!dvr_enabled) {
+        return ret;
+    }
+    
     int32_t timestamp = video->header.timestamp;
     char* payload = (char*)video->payload;
     int size = (int)video->size;

@@ -130,6 +130,11 @@ int ISrsReloadHandler::on_reload_vhost_hls(string /*vhost*/)
     return ERROR_SUCCESS;
 }
 
+int ISrsReloadHandler::on_reload_vhost_dvr(string /*vhost*/)
+{
+    return ERROR_SUCCESS;
+}
+
 int ISrsReloadHandler::on_reload_vhost_transcode(string /*vhost*/)
 {
     return ERROR_SUCCESS;

@@ -60,6 +60,7 @@ public:
     virtual int on_reload_vhost_queue_length(std::string vhost);
     virtual int on_reload_vhost_forward(std::string vhost);
     virtual int on_reload_vhost_hls(std::string vhost);
+    virtual int on_reload_vhost_dvr(std::string vhost);
     virtual int on_reload_vhost_transcode(std::string vhost);
     virtual int on_reload_ingest_removed(std::string vhost, std::string ingest_id);
     virtual int on_reload_ingest_added(std::string vhost, std::string ingest_id);

@@ -605,6 +605,26 @@ int SrsSource::on_reload_vhost_hls(string vhost)
     return ret;
 }
 
+int SrsSource::on_reload_vhost_dvr(string vhost)
+{
+    int ret = ERROR_SUCCESS;
+    
+    if (req->vhost != vhost) {
+        return ret;
+    }
+    
+#ifdef SRS_AUTO_DVR
+    dvr->on_unpublish();
+    if ((ret = dvr->on_publish(req)) != ERROR_SUCCESS) {
+        srs_error("dvr publish failed. ret=%d", ret);
+        return ret;
+    }
+    srs_trace("vhost %s dvr reload success", vhost.c_str());
+#endif
+    
+    return ret;
+}
+
 int SrsSource::on_reload_vhost_transcode(string vhost)
 {
     int ret = ERROR_SUCCESS;

@@ -278,6 +278,7 @@ public:
     virtual int on_reload_vhost_queue_length(std::string vhost);
     virtual int on_reload_vhost_forward(std::string vhost);
     virtual int on_reload_vhost_hls(std::string vhost);
+    virtual int on_reload_vhost_dvr(std::string vhost);
     virtual int on_reload_vhost_transcode(std::string vhost);
 public:
     // for the SrsForwarder to callback to request the sequence headers.