diff --git a/trunk/research/librtmp/srs_ingest_flv.c b/trunk/research/librtmp/srs_ingest_flv.c
index ef3a01950..88a8b981b 100644
--- a/trunk/research/librtmp/srs_ingest_flv.c
+++ b/trunk/research/librtmp/srs_ingest_flv.c
@@ -105,7 +105,7 @@ int main(int argc, char** argv)
         return -1;
     }
     
-    srs_human_trace("input:  %s", in_flv_file);
+    srs_human_trace("input: %s", in_flv_file);
     srs_human_trace("output: %s", out_rtmp_url);
 
     if ((flv = srs_flv_open_read(in_flv_file)) == NULL) {
diff --git a/trunk/research/librtmp/srs_ingest_mp4.c b/trunk/research/librtmp/srs_ingest_mp4.c
index d75a9b755..06532d054 100644
--- a/trunk/research/librtmp/srs_ingest_mp4.c
+++ b/trunk/research/librtmp/srs_ingest_mp4.c
@@ -26,10 +26,9 @@
 
 #include "../../objs/include/srs_librtmp.h"
 
+int proxy(srs_mp4_t mp4, srs_rtmp_t ortmp);
 int main(int argc, char** argv)
 {
-    int ret, opt;
-    
     printf("Ingest mp4 file and publish to RTMP server like FFMPEG.\n");
     printf("SRS(OSSRS) client librtmp library.\n");
     printf("Version: %d.%d.%d\n", srs_version_major(), srs_version_minor(), srs_version_revision());
@@ -46,10 +45,211 @@ int main(int argc, char** argv)
         exit(-1);
     }
     
-    for (opt = 0; opt < argc; opt++) {
-        srs_human_trace("argv[%d]=%s", opt, argv[opt]);
+    for (int opt = 0; opt < argc; opt++) {
+        srs_human_trace("The argv[%d]=%s", opt, argv[opt]);
+    }
+    
+    // fill the options for mac
+    char* in_file = NULL;
+    char* out_rtmp_url = NULL;
+    for (int opt = 0; opt < argc - 1; opt++) {
+        // ignore all options except -i and -y.
+        char* p = argv[opt];
+        
+        // only accept -x
+        if (p[0] != '-' || p[1] == 0 || p[2] != 0) {
+            continue;
+        }
+        
+        // parse according the option name.
+        switch (p[1]) {
+            case 'i': in_file = argv[opt + 1]; break;
+            case 'y': out_rtmp_url = argv[opt + 1]; break;
+            default: break;
+        }
+    }
+    
+    if (!in_file) {
+        srs_human_trace("Invalid input file, use -i <input>");
+        return -1;
+    }
+    if (!out_rtmp_url) {
+        srs_human_trace("Invalid output url, use -y <output>");
+        return -1;
+    }
+    
+    srs_human_trace("Input file: %s", in_file);
+    srs_human_trace("Output url: %s", out_rtmp_url);
+    
+    int ret = 0;
+    
+    srs_mp4_t mp4 = NULL;
+    if ((mp4 = srs_mp4_open_read(in_file)) == NULL) {
+        ret = 2;
+        srs_human_trace("open mp4 file failed. ret=%d", ret);
+        return ret;
+    }
+    
+    srs_rtmp_t ortmp = srs_rtmp_create(out_rtmp_url);
+    
+    ret = proxy(mp4, ortmp);
+    srs_human_trace("Ingest mp4 to RTMP ok.");
+    
+    srs_rtmp_destroy(ortmp);
+    srs_mp4_close(mp4);
+    
+    return ret;
+}
+
+int connect_oc(srs_rtmp_t ortmp)
+{
+    int ret = 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 ((ret = srs_rtmp_connect_app(ortmp)) != 0) {
+        srs_human_trace("ortmp connect vhost/app failed. ret=%d", ret);
+        return ret;
+    }
+    srs_human_trace("ortmp connect vhost/app success");
+    
+    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");
+    
+    return ret;
+}
+
+#define RE_PULSE_MS 300
+#define RE_PULSE_JITTER_MS 3000
+int64_t tools_main_entrance_startup_time;
+
+int64_t re_create()
+{
+    // if not very precise, we can directly use this as re.
+    int64_t re = srs_utils_time_ms();
+    
+    // use the starttime to get the deviation
+    int64_t deviation = re - tools_main_entrance_startup_time;
+    srs_human_trace("deviation is %d ms, pulse is %d ms", (int)(deviation), (int)(RE_PULSE_MS));
+    
+    // so, we adjust time to max(0, deviation)
+    // because the last pulse, we already sleeped
+    int adjust = (int)(deviation);
+    if (adjust > 0) {
+        srs_human_trace("adjust re time for %d ms", adjust);
+        re -= adjust;
+    } else {
+        srs_human_trace("no need to adjust re time");
+    }
+    
+    return re;
+}
+
+void re_update(int64_t re, int32_t starttime, uint32_t time)
+{
+    // send by pulse algorithm.
+    int64_t now = srs_utils_time_ms();
+    int64_t diff = time - starttime - (now -re);
+    if (diff > RE_PULSE_MS && diff < RE_PULSE_JITTER_MS) {
+        usleep((useconds_t)(diff * 1000));
+    }
+}
+
+void re_cleanup(int64_t re, int32_t starttime, uint32_t time)
+{
+    // for the last pulse, always sleep.
+    // for the virtual live encoder long time publishing.
+    int64_t now = srs_utils_time_ms();
+    int64_t diff = time - starttime - (now -re);
+    if (diff > 0) {
+        srs_human_trace("re_cleanup, diff=%d, start=%d, last=%d ms",
+                        (int)diff, starttime, time);
+        usleep((useconds_t)(diff * 1000));
+    }
+}
+
+int do_proxy(srs_mp4_t mp4, srs_rtmp_t ortmp, int64_t re, int32_t* pstarttime, uint32_t* ptimestamp)
+{
+    int ret = 0;
+    
+    // packet data
+    char type;
+    int size;
+    char* data = NULL;
+    
+    srs_human_trace("start ingest mp4 to RTMP stream");
+    for (;;) {
+#if 0
+        // tag header
+        if ((ret = srs_flv_read_tag_header(flv, &type, &size, ptimestamp)) != 0) {
+            if (srs_flv_is_eof(ret)) {
+                srs_human_trace("parse completed.");
+                return 0;
+            }
+            srs_human_trace("flv get packet failed. ret=%d", ret);
+            return ret;
+        }
+        
+        if (size <= 0) {
+            srs_human_trace("invalid size=%d", size);
+            break;
+        }
+        
+        // TODO: FIXME: mem leak when error.
+        data = (char*)malloc(size);
+        if ((ret = srs_flv_read_tag_data(flv, data, size)) != 0) {
+            return ret;
+        }
+#endif
+        uint32_t timestamp = *ptimestamp;
+        
+        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, *ptimestamp, data, size)) != 0) {
+            srs_human_trace("irtmp get packet failed. ret=%d", ret);
+            return ret;
+        }
+        
+        if (*pstarttime < 0 && srs_utils_flv_tag_is_av(type)) {
+            *pstarttime = *ptimestamp;
+        }
+        
+        re_update(re, *pstarttime, *ptimestamp);
     }
     
     return ret;
 }
 
+int proxy(srs_mp4_t mp4, srs_rtmp_t ortmp)
+{
+    int ret = 0;
+    
+    if ((ret = srs_mp4_init_demuxer(mp4)) != 0) {
+        return ret;
+    }
+    if ((ret = connect_oc(ortmp)) != 0) {
+        return ret;
+    }
+    
+    int64_t re = re_create();
+    
+    uint32_t timestamp = 0;
+    int32_t starttime = -1;
+    ret = do_proxy(mp4, ortmp, re, &starttime, &timestamp);
+    
+    // for the last pulse, always sleep.
+    re_cleanup(re, starttime, timestamp);
+    
+    return ret;
+}
+
diff --git a/trunk/src/kernel/srs_kernel_mp4.cpp b/trunk/src/kernel/srs_kernel_mp4.cpp
index cd8bea126..1d38ffec4 100644
--- a/trunk/src/kernel/srs_kernel_mp4.cpp
+++ b/trunk/src/kernel/srs_kernel_mp4.cpp
@@ -25,6 +25,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include <string.h>
 
+#include <srs_kernel_log.hpp>
 #include <srs_kernel_error.hpp>
 
 SrsMp4Box::SrsMp4Box()
@@ -434,9 +435,11 @@ SrsMp4Decoder::~SrsMp4Decoder()
 
 int SrsMp4Decoder::initialize(ISrsReader* r)
 {
+    int ret = ERROR_SUCCESS;
+    
     srs_assert(r);
     reader = r;
     
-    return ERROR_SUCCESS;
+    return ret;
 }