diff --git a/trunk/research/librtmp/srs_ingest_rtmp.c b/trunk/research/librtmp/srs_ingest_rtmp.c
index 07ac4b2e0..427b86a10 100644
--- a/trunk/research/librtmp/srs_ingest_rtmp.c
+++ b/trunk/research/librtmp/srs_ingest_rtmp.c
@@ -34,6 +34,11 @@ int connect_ic(srs_rtmp_t irtmp);
 int connect_oc(srs_rtmp_t ortmp);
 int proxy(srs_rtmp_t irtmp, srs_rtmp_t ortmp);
 
+// whether use verbose log.
+int verbose = 0;
+// 2000 is about 30s.
+#define PITHY_PRINT_EVERY_MSGS 2000
+
 int main(int argc, char** argv)
 {
     int ret = 0;
@@ -46,18 +51,19 @@ int main(int argc, char** argv)
     // rtmp handler
     srs_rtmp_t irtmp, ortmp;
     
-    printf("ingest RTMP and publish to RTMP server like edge.\n");
-    printf("srs(ossrs) client librtmp library.\n");
-    printf("version: %d.%d.%d\n", srs_version_major(), srs_version_minor(), srs_version_revision());
+    printf("Ingest RTMP to server like FFMPEG over srs-librtmp %d.%d.%d\n",
+        srs_version_major(), srs_version_minor(), srs_version_revision());
     
     if (argc <= 2) {
         printf("ingest RTMP and publish to RTMP server\n"
-            "Usage: %s <-i in_rtmp_url> <-y out_rtmp_url>\n"
+            "Usage: %s <-i in_rtmp_url> <-y out_rtmp_url> [-v verbose]\n"
             "   in_rtmp_url     input rtmp url, ingest from this url.\n"
             "   out_rtmp_url    output rtmp url, publish to this url.\n"
-            "For example:\n"
-            "   %s -i rtmp://127.0.0.1/live/livestream -y rtmp://127.0.0.1/live/demo\n",
-            argv[0], argv[0]);
+            "   verbose         output verbose log.\n"
+           "For example:\n"
+           "   %s -i rtmp://127.0.0.1/live/livestream -y rtmp://127.0.0.1/live/demo\n"
+           "   %s -i rtmp://127.0.0.1/live/livestream -y rtmp://127.0.0.1/live/demo -v verbose\n",
+            argv[0], argv[0], argv[0]);
         exit(-1);
     }
     
@@ -73,8 +79,9 @@ int main(int argc, char** argv)
         
         // parse according the option name.
         switch (p[1]) {
-            case 'i': in_rtmp_url = argv[opt + 1]; break;
-            case 'y': out_rtmp_url = argv[opt + 1]; break;
+            case 'i': in_rtmp_url = argv[++opt]; break;
+            case 'y': out_rtmp_url = argv[++opt]; break;
+            case 'v': verbose=1; opt++; break;
             default: break;
         }
     }
@@ -88,8 +95,7 @@ int main(int argc, char** argv)
         return -1;
     }
     
-    srs_human_trace("input:  %s", in_rtmp_url);
-    srs_human_trace("output: %s", out_rtmp_url);
+    srs_human_trace("ingest %s to %s, verbose=%d", in_rtmp_url, out_rtmp_url, verbose);
     
     irtmp = srs_rtmp_create(in_rtmp_url);
     ortmp = srs_rtmp_create(out_rtmp_url);
@@ -112,6 +118,7 @@ int proxy(srs_rtmp_t irtmp, srs_rtmp_t ortmp)
     char type;
     char* data;
     u_int32_t timestamp;
+    u_int64_t nb_msgs = 0;
 
     if ((ret = connect_ic(irtmp)) != 0) {
         return ret;
@@ -120,7 +127,11 @@ int proxy(srs_rtmp_t irtmp, srs_rtmp_t ortmp)
         return ret;
     }
     
-    srs_human_trace("start proxy RTMP stream");
+    if (verbose) {
+        srs_human_trace("start proxy RTMP stream");
+    } else {
+        srs_human_verbose("start proxy RTMP stream");
+    }
     for (;;) {
         if ((ret = srs_rtmp_read_packet(irtmp, &type, &timestamp, &data, &size)) != 0) {
             srs_human_trace("irtmp get packet failed. ret=%d", ret);
@@ -128,22 +139,34 @@ int proxy(srs_rtmp_t irtmp, srs_rtmp_t ortmp)
         }
         
         if (!srs_utils_flv_tag_is_ok(type)) {
-            srs_human_trace("ignore invalid flv tag=%d, dts=%d, %d bytes", type, timestamp, size);
+            if (verbose) {
+                srs_human_trace("ignore invalid flv tag=%d, dts=%d, %d bytes", type, timestamp, size);
+            } else {
+                srs_human_verbose("ignore invalid flv tag=%d, dts=%d, %d bytes", type, timestamp, size);
+            }
             free(data);
             continue;
         }
         
-        if ((ret = srs_human_print_rtmp_packet(type, timestamp, data, size)) != 0) {
-            srs_human_trace("print packet failed. ret=%d", ret);
-            return ret;
+        if (verbose || ((nb_msgs++ % PITHY_PRINT_EVERY_MSGS) == 0 && nb_msgs > 10)) {
+            if ((ret = srs_human_print_rtmp_packet(type, timestamp, data, size)) != 0) {
+                srs_human_trace("print packet failed. ret=%d", ret);
+                return ret;
+            }
         }
         
         if ((ret = srs_rtmp_write_packet(ortmp, type, timestamp, data, size)) != 0) {
             srs_human_trace("irtmp get packet failed. ret=%d", ret);
             return ret;
         }
-        srs_human_verbose("ortmp sent packet: type=%s, time=%d, size=%d", 
-            srs_human_flv_tag_type2string(type), timestamp, size);
+        
+        if (verbose) {
+            srs_human_trace("ortmp sent packet: type=%s, time=%d, size=%d",
+                srs_human_flv_tag_type2string(type), timestamp, size);
+        } else {
+            srs_human_verbose("ortmp sent packet: type=%s, time=%d, size=%d",
+                srs_human_flv_tag_type2string(type), timestamp, size);
+        }
     }
     
     return ret;
@@ -153,23 +176,49 @@ int connect_ic(srs_rtmp_t irtmp)
 {
     int ret = 0;
     
+    // srs debug info.
+    char srs_server_ip[128];
+    char srs_server[128];
+    char srs_primary[128];
+    char srs_authors[128];
+    char srs_version[32];
+    int srs_id = 0;
+    int srs_pid = 0;
+    
+    // set to zero.
+    srs_server_ip[0] = 0;
+    srs_server[0] = 0;
+    srs_primary[0] = 0;
+    srs_authors[0] = 0;
+    srs_version[0] = 0;
+    
     if ((ret = srs_rtmp_handshake(irtmp)) != 0) {
         srs_human_trace("irtmp simple handshake failed. ret=%d", ret);
         return ret;
     }
-    srs_human_trace("irtmp simple handshake success");
+    if (verbose) {
+        srs_human_trace("irtmp simple handshake success");
+    } else {
+        srs_human_verbose("irtmp simple handshake success");
+    }
     
-    if ((ret = srs_rtmp_connect_app(irtmp)) != 0) {
+    if (srs_rtmp_connect_app2(irtmp,
+        srs_server_ip, srs_server, srs_primary, srs_authors, srs_version,
+        &srs_id, &srs_pid) != 0) {
         srs_human_trace("irtmp connect vhost/app failed. ret=%d", ret);
         return ret;
     }
-    srs_human_trace("irtmp connect vhost/app success");
+    srs_human_trace("irtmp connect ok, ip=%s, server=%s/%s, pid=%d, cid=%d", srs_server_ip, srs_server, srs_version, srs_pid, srs_id);
     
     if ((ret = srs_rtmp_play_stream(irtmp)) != 0) {
         srs_human_trace("irtmp play stream failed. ret=%d", ret);
         return ret;
     }
-    srs_human_trace("irtmp play stream success");
+    if (verbose) {
+        srs_human_trace("irtmp play stream success");
+    } else {
+        srs_human_verbose("irtmp play stream success");
+    }
     
     return ret;
 }
@@ -178,23 +227,49 @@ int connect_oc(srs_rtmp_t ortmp)
 {
     int ret = 0;
     
+    // srs debug info.
+    char srs_server_ip[128];
+    char srs_server[128];
+    char srs_primary[128];
+    char srs_authors[128];
+    char srs_version[32];
+    int srs_id = 0;
+    int srs_pid = 0;
+    
+    // set to zero.
+    srs_server_ip[0] = 0;
+    srs_server[0] = 0;
+    srs_primary[0] = 0;
+    srs_authors[0] = 0;
+    srs_version[0] = 0;
+    
     if ((ret = srs_rtmp_handshake(ortmp)) != 0) {
         srs_human_trace("ortmp simple handshake failed. ret=%d", ret);
         return ret;
     }
-    srs_human_trace("ortmp simple handshake success");
+    if (verbose) {
+        srs_human_trace("ortmp simple handshake success");
+    } else {
+        srs_human_verbose("ortmp simple handshake success");
+    }
     
-    if ((ret = srs_rtmp_connect_app(ortmp)) != 0) {
+    if (srs_rtmp_connect_app2(ortmp,
+        srs_server_ip, srs_server, srs_primary, srs_authors, srs_version,
+        &srs_id, &srs_pid) != 0) {
         srs_human_trace("ortmp connect vhost/app failed. ret=%d", ret);
         return ret;
     }
-    srs_human_trace("ortmp connect vhost/app success");
+    srs_human_trace("ortmp connect ok, ip=%s, server=%s/%s, pid=%d, cid=%d", srs_server_ip, srs_server, srs_version, srs_pid, srs_id);
     
     if ((ret = srs_rtmp_publish_stream(ortmp)) != 0) {
         srs_human_trace("ortmp publish stream failed. ret=%d", ret);
         return ret;
     }
-    srs_human_trace("ortmp publish stream success");
+    if (verbose) {
+        srs_human_trace("ortmp publish stream success");
+    } else {
+        srs_human_verbose("ortmp publish stream success");
+    }
     
     return ret;
 }
diff --git a/trunk/src/libs/srs_librtmp.cpp b/trunk/src/libs/srs_librtmp.cpp
index 928dd2c69..aed56ca27 100644
--- a/trunk/src/libs/srs_librtmp.cpp
+++ b/trunk/src/libs/srs_librtmp.cpp
@@ -2410,7 +2410,7 @@ int srs_human_print_rtmp_packet4(char type, u_int32_t timestamp, char* data, int
             srs_human_flv_audio_aac_packet_type2string(srs_utils_flv_audio_aac_packet_type(data, size))
         );
     } else if (type == SRS_RTMP_TYPE_SCRIPT) {
-        srs_human_verbose("Data packet id=%"PRId64"/%.1f/%.1f, type=%s, time=%d, ndiff=%d, diff=%d, size=%d",
+        srs_human_trace("Data packet id=%"PRId64"/%.1f/%.1f, type=%s, time=%d, ndiff=%d, diff=%d, size=%d",
             nb_packets, pi, gfps, srs_human_flv_tag_type2string(type), timestamp, ndiff, diff, size);
         int nparsed = 0;
         while (nparsed < size) {
diff --git a/trunk/src/libs/srs_librtmp.hpp b/trunk/src/libs/srs_librtmp.hpp
index 39d339032..c4680792c 100644
--- a/trunk/src/libs/srs_librtmp.hpp
+++ b/trunk/src/libs/srs_librtmp.hpp
@@ -956,7 +956,7 @@ extern const char* srs_human_format_time();
     #define srs_human_raw(msg, ...) (void)0
 #else
     #define srs_human_trace(msg, ...) printf("[%s][%d] ", srs_human_format_time(), getpid());printf(msg, ##__VA_ARGS__);printf("\n")
-    #define srs_human_verbose(msg, ...) printf("[%s][%d] ", srs_human_format_time(), getpid());printf(msg, ##__VA_ARGS__);printf("\n")
+    #define srs_human_verbose(msg, ...) (void)0
     #define srs_human_raw(msg, ...) printf(msg, ##__VA_ARGS__)
 #endif