add gfps and nb_packets

@@ -759,18 +759,6 @@ About the HLS overhead of SRS, we compare the overhead to FLV by remux the HLS t
 
 The HLS overhead is calc by: (HLS - FLV) / FLV * 100%
 
-### Bytes Api
-
-The api provides bytes of vhost, stream and srs.
-
-| Connections | tcpdump     | srs         |  deviation |
-| ----------- |  ---------- | ----------  |  --------- |
-|      1      | 201687968   | 201687968   |   0%       |
-|     100     | 12456042662 | 12458284053 |   0.018%   |
-|     500     | 11623083989 | 11633158616 |   0.087%   |
-
-The tcpdump command is `tcpdump src 192.168.1.151 and port 1935 -i eth0 and tcp -ql`.
-
 ## Architecture
 
 SRS always use the most simple architecture to support complex transaction.

@@ -258,8 +258,8 @@ int main(int argc, char** argv)
     
     int64_t nb_packets = 0;
     u_int32_t pre_timestamp = 0;
-    int64_t pre_now = srs_utils_time_ms();
-    int64_t start_time = pre_now;
+    int64_t pre_now = -1;
+    int64_t start_time = -1;
     for (;;) {
         int size;
         char type;
@@ -271,6 +271,13 @@ int main(int argc, char** argv)
             goto rtmp_destroy;
         }
         
+        if (pre_now == -1) {
+            pre_now = srs_utils_time_ms();
+        }
+        if (start_time == -1) {
+            start_time = srs_utils_time_ms();
+        }
+        
         if (srs_human_print_rtmp_packet4(type, timestamp, data, size, pre_timestamp, pre_now, start_time, nb_packets++) != 0) {
             srs_human_trace("print rtmp packet failed.");
             goto rtmp_destroy;

@@ -2338,6 +2338,12 @@ int srs_human_print_rtmp_packet4(char type, u_int32_t timestamp, char* data, int
         pi = (pre_now - starttime) / (double)nb_packets;
     }
     
+    // global fps(video and audio mixed fps).
+    double gfps = 0;
+    if (pi > 0) {
+        gfps = 1000 / pi;
+    }
+    
     int diff = 0;
     if (pre_timestamp > 0) {
         diff = (int)timestamp - (int)pre_timestamp;
@@ -2350,22 +2356,22 @@ int srs_human_print_rtmp_packet4(char type, u_int32_t timestamp, char* data, int
     
     u_int32_t pts;
     if (srs_utils_parse_timestamp(timestamp, type, data, size, &pts) != 0) {
-        srs_human_trace("Rtmp packet id=%"PRId64"/%.1f, type=%s, dts=%d, diff=%d, ndiff=%d, size=%d, DecodeError",
-            nb_packets, pi, srs_human_flv_tag_type2string(type), timestamp, diff, ndiff, size
+        srs_human_trace("Rtmp packet id=%"PRId64"/%.1f/%.1f, type=%s, dts=%d, diff=%d, ndiff=%d, size=%d, DecodeError",
+            nb_packets, pi, gfps, srs_human_flv_tag_type2string(type), timestamp, diff, ndiff, size
         );
         return ret;
     }
     
     if (type == SRS_RTMP_TYPE_VIDEO) {
-        srs_human_trace("Video packet id=%"PRId64"/%.1f, type=%s, dts=%d, pts=%d, diff=%d, ndiff=%d, size=%d, %s(%s,%s)",
-            nb_packets, pi, srs_human_flv_tag_type2string(type), timestamp, pts, diff, ndiff, size,
+        srs_human_trace("Video packet id=%"PRId64"/%.1f/%.1f, type=%s, dts=%d, pts=%d, diff=%d, ndiff=%d, size=%d, %s(%s,%s)",
+            nb_packets, pi, gfps, srs_human_flv_tag_type2string(type), timestamp, pts, diff, ndiff, size,
             srs_human_flv_video_codec_id2string(srs_utils_flv_video_codec_id(data, size)),
             srs_human_flv_video_avc_packet_type2string(srs_utils_flv_video_avc_packet_type(data, size)),
             srs_human_flv_video_frame_type2string(srs_utils_flv_video_frame_type(data, size))
         );
     } else if (type == SRS_RTMP_TYPE_AUDIO) {
-        srs_human_trace("Audio packet id=%"PRId64"/%.1f, type=%s, dts=%d, pts=%d, diff=%d, ndiff=%d, size=%d, %s(%s,%s,%s,%s)",
-            nb_packets, pi, srs_human_flv_tag_type2string(type), timestamp, pts, diff, ndiff, size,
+        srs_human_trace("Audio packet id=%"PRId64"/%.1f/%.1f, type=%s, dts=%d, pts=%d, diff=%d, ndiff=%d, size=%d, %s(%s,%s,%s,%s)",
+            nb_packets, pi, gfps, srs_human_flv_tag_type2string(type), timestamp, pts, diff, ndiff, size,
             srs_human_flv_audio_sound_format2string(srs_utils_flv_audio_sound_format(data, size)),
             srs_human_flv_audio_sound_rate2string(srs_utils_flv_audio_sound_rate(data, size)),
             srs_human_flv_audio_sound_size2string(srs_utils_flv_audio_sound_size(data, size)),
@@ -2373,8 +2379,8 @@ 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, type=%s, time=%d, diff=%d, ndiff=%d, size=%d",
-            nb_packets, pi, srs_human_flv_tag_type2string(type), timestamp, diff, ndiff, size);
+        srs_human_verbose("Data packet id=%"PRId64"/%.1f/%.1f, type=%s, time=%d, diff=%d, ndiff=%d, size=%d",
+            nb_packets, pi, gfps, srs_human_flv_tag_type2string(type), timestamp, diff, ndiff, size);
         int nparsed = 0;
         while (nparsed < size) {
             int nb_parsed_this = 0;
@@ -2390,8 +2396,8 @@ int srs_human_print_rtmp_packet4(char type, u_int32_t timestamp, char* data, int
             srs_freep(amf0_str);
         }
     } else {
-        srs_human_trace("Rtmp packet id=%"PRId64"/%.1f, type=%#x, dts=%d, pts=%d, diff=%d, ndiff=%d, size=%d",
-            nb_packets, pi, type, timestamp, pts, diff, ndiff, size);
+        srs_human_trace("Rtmp packet id=%"PRId64"/%.1f/%.1f, type=%#x, dts=%d, pts=%d, diff=%d, ndiff=%d, size=%d",
+            nb_packets, pi, gfps, type, timestamp, pts, diff, ndiff, size);
     }
     
     return ret;