support hls ingest, fix the bugs.

@@ -169,6 +169,23 @@ int SrsTsMessage::stream_number()
     return -1;
     return -1;
 }
 }
 
 
+SrsTsMessage* SrsTsMessage::detach()
+{
+    // @remark the packet cannot be used, but channel is ok.
+    SrsTsMessage* cp = new SrsTsMessage(channel, NULL);
+    cp->start_pts = start_pts;
+    cp->write_pcr = write_pcr;
+    cp->is_discontinuity = is_discontinuity;
+    cp->dts = dts;
+    cp->pts = pts;
+    cp->sid = sid;
+    cp->PES_packet_length = PES_packet_length;
+    cp->continuity_counter = continuity_counter;
+    cp->payload = payload;
+    payload = NULL;
+    return cp;
+}
+
 ISrsTsHandler::ISrsTsHandler()
 ISrsTsHandler::ISrsTsHandler()
 {
 {
 }
 }

@@ -309,6 +309,13 @@ public:
     * @return the stream number for audio/video; otherwise, -1.
     * @return the stream number for audio/video; otherwise, -1.
     */
     */
     virtual int stream_number();
     virtual int stream_number();
+public:
+    /**
+     * detach the ts message,
+     * for user maybe need to parse the message by queue.
+     * @remark we always use the payload of original message.
+     */
+    virtual SrsTsMessage* detach();
 };
 };
 
 
 /**
 /**

@@ -23,8 +23,10 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 
 #include <srs_core.hpp>
 #include <srs_core.hpp>
 
 
+#include <stdlib.h>
 #include <string>
 #include <string>
 #include <vector>
 #include <vector>
+#include <map>
 using namespace std;
 using namespace std;
 
 
 #include <srs_kernel_error.hpp>
 #include <srs_kernel_error.hpp>
@@ -148,7 +150,7 @@ private:
             dirty = false;
             dirty = false;
         }
         }
         
         
-        int fetch(std::string m3u8, SrsHttpClient* client);
+        int fetch(std::string m3u8);
     };
     };
 private:
 private:
     SrsHttpUri* in_hls;
     SrsHttpUri* in_hls;
@@ -196,7 +198,7 @@ private:
     /**
     /**
      * fetch all ts body.
      * fetch all ts body.
      */
      */
-    virtual void fetch_all_ts(bool fresh_m3u8, SrsHttpClient* client);
+    virtual void fetch_all_ts(bool fresh_m3u8);
     /**
     /**
      * remove all ts which is dirty.
      * remove all ts which is dirty.
      */
      */
@@ -209,6 +211,7 @@ int SrsIngestSrsInput::connect()
     
     
     int64_t now = srs_update_system_time_ms();
     int64_t now = srs_update_system_time_ms();
     if (now < next_connect_time) {
     if (now < next_connect_time) {
+        srs_trace("input hls wait for %dms", next_connect_time - now);
         st_usleep((next_connect_time - now) * 1000);
         st_usleep((next_connect_time - now) * 1000);
     }
     }
     
     
@@ -328,7 +331,7 @@ int SrsIngestSrsInput::connect()
     }
     }
     
     
     // fetch all ts.
     // fetch all ts.
-    fetch_all_ts(fresh_m3u8, &client);
+    fetch_all_ts(fresh_m3u8);
     
     
     // remove all dirty ts.
     // remove all dirty ts.
     remove_dirty();
     remove_dirty();
@@ -344,12 +347,19 @@ int SrsIngestSrsInput::parse(ISrsTsHandler* handler)
     
     
     for (int i = 0; i < (int)pieces.size(); i++) {
     for (int i = 0; i < (int)pieces.size(); i++) {
         SrsTsPiece* tp = pieces.at(i);
         SrsTsPiece* tp = pieces.at(i);
+        
+        // sent only once.
+        if (tp->sent) {
+            continue;
+        }
         tp->sent = true;
         tp->sent = true;
         
         
         if (tp->body.empty()) {
         if (tp->body.empty()) {
             continue;
             continue;
         }
         }
         
         
+        srs_trace("proxy the ts to rtmp, ts=%s, duration=%.2f", tp->url.c_str(), tp->duration);
+        
         // use stream to parse ts packet.
         // use stream to parse ts packet.
         int nb_packet =  (int)tp->body.length() / SRS_TS_PACKET_SIZE;
         int nb_packet =  (int)tp->body.length() / SRS_TS_PACKET_SIZE;
         for (int i = 0; i < nb_packet; i++) {
         for (int i = 0; i < nb_packet; i++) {
@@ -360,6 +370,12 @@ int SrsIngestSrsInput::parse(ISrsTsHandler* handler)
             
             
             // process each ts packet
             // process each ts packet
             if ((ret = context->decode(stream, handler)) != ERROR_SUCCESS) {
             if ((ret = context->decode(stream, handler)) != ERROR_SUCCESS) {
+                // when peer closed, must interrupt parse and reconnect.
+                if (srs_is_client_gracefully_close(ret)) {
+                    srs_warn("interrupt parse for peer closed. ret=%d", ret);
+                    return ret;
+                }
+                
                 srs_warn("mpegts: ignore parse ts packet failed. ret=%d", ret);
                 srs_warn("mpegts: ignore parse ts packet failed. ret=%d", ret);
                 continue;
                 continue;
             }
             }
@@ -392,7 +408,7 @@ void SrsIngestSrsInput::dirty_all_ts()
     }
     }
 }
 }
 
 
-void SrsIngestSrsInput::fetch_all_ts(bool fresh_m3u8, SrsHttpClient* client)
+void SrsIngestSrsInput::fetch_all_ts(bool fresh_m3u8)
 {
 {
     int ret = ERROR_SUCCESS;
     int ret = ERROR_SUCCESS;
     
     
@@ -410,17 +426,16 @@ void SrsIngestSrsInput::fetch_all_ts(bool fresh_m3u8, SrsHttpClient* client)
             continue;
             continue;
         }
         }
         
         
-        if ((ret = tp->fetch(in_hls->get_url(), client)) != ERROR_SUCCESS) {
+        if ((ret = tp->fetch(in_hls->get_url())) != ERROR_SUCCESS) {
             srs_warn("ignore ts %s for error. ret=%d", tp->url.c_str(), ret);
             srs_warn("ignore ts %s for error. ret=%d", tp->url.c_str(), ret);
             tp->skip = true;
             tp->skip = true;
             continue;
             continue;
         }
         }
         
         
-        // set the next connect time.
-        if (next_connect_time <= 0) {
-            next_connect_time = srs_update_system_time_ms();
+        // only wait for a duration of last piece.
+        if (i == pieces.size() - 1) {
+            next_connect_time = srs_update_system_time_ms() + (int)tp->duration * 1000;
         }
         }
-        next_connect_time += (int)tp->duration * 1000;
     }
     }
 }
 }
 
 
@@ -432,6 +447,7 @@ void SrsIngestSrsInput::remove_dirty()
         SrsTsPiece* tp = *it;
         SrsTsPiece* tp = *it;
         
         
         if (tp->dirty) {
         if (tp->dirty) {
+            srs_trace("erase dirty ts, url=%s, duration=%.2f", tp->url.c_str(), tp->duration);
             srs_freep(tp);
             srs_freep(tp);
             it = pieces.erase(it);
             it = pieces.erase(it);
         } else {
         } else {
@@ -440,7 +456,7 @@ void SrsIngestSrsInput::remove_dirty()
     }
     }
 }
 }
 
 
-int SrsIngestSrsInput::SrsTsPiece::fetch(string m3u8, SrsHttpClient* client)
+int SrsIngestSrsInput::SrsTsPiece::fetch(string m3u8)
 {
 {
     int ret = ERROR_SUCCESS;
     int ret = ERROR_SUCCESS;
     
     
@@ -450,8 +466,7 @@ int SrsIngestSrsInput::SrsTsPiece::fetch(string m3u8, SrsHttpClient* client)
     
     
     size_t pos = string::npos;
     size_t pos = string::npos;
     
     
-    bool use_abs_client = false;
-    SrsHttpClient abs_client;
+    SrsHttpClient client;
     
     
     std::string ts_url = url;
     std::string ts_url = url;
     if (!srs_string_starts_with(ts_url, "http://")) {
     if (!srs_string_starts_with(ts_url, "http://")) {
@@ -460,10 +475,6 @@ int SrsIngestSrsInput::SrsTsPiece::fetch(string m3u8, SrsHttpClient* client)
             baseurl = m3u8.substr(0, pos);
             baseurl = m3u8.substr(0, pos);
         }
         }
         ts_url = baseurl + "/" + url;
         ts_url = baseurl + "/" + url;
-        
-        // use fresh client for absolute url.
-        client = &abs_client;
-        use_abs_client = true;
     }
     }
     
     
     SrsHttpUri uri;
     SrsHttpUri uri;
@@ -472,12 +483,12 @@ int SrsIngestSrsInput::SrsTsPiece::fetch(string m3u8, SrsHttpClient* client)
     }
     }
     
     
     // initialize the fresh http client.
     // initialize the fresh http client.
-    if (use_abs_client && (ret = client->initialize(uri.get_host(), uri.get_port()) != ERROR_SUCCESS)) {
+    if ((ret = client.initialize(uri.get_host(), uri.get_port()) != ERROR_SUCCESS)) {
         return ret;
         return ret;
     }
     }
     
     
     SrsHttpMessage* msg = NULL;
     SrsHttpMessage* msg = NULL;
-    if ((ret = client->get(uri.get_path(), "", &msg)) != ERROR_SUCCESS) {
+    if ((ret = client.get(uri.get_path(), "", &msg)) != ERROR_SUCCESS) {
         srs_error("HTTP GET %s failed. ret=%d", uri.get_url(), ret);
         srs_error("HTTP GET %s failed. ret=%d", uri.get_url(), ret);
         return ret;
         return ret;
     }
     }
@@ -501,6 +512,9 @@ class SrsIngestSrsOutput : public ISrsTsHandler
 private:
 private:
     SrsHttpUri* out_rtmp;
     SrsHttpUri* out_rtmp;
 private:
 private:
+    bool disconnected;
+    std::multimap<int64_t, SrsTsMessage*> queue;
+private:
     SrsRequest* req;
     SrsRequest* req;
     st_netfd_t stfd;
     st_netfd_t stfd;
     SrsStSocket* io;
     SrsStSocket* io;
@@ -519,6 +533,7 @@ private:
 public:
 public:
     SrsIngestSrsOutput(SrsHttpUri* rtmp) {
     SrsIngestSrsOutput(SrsHttpUri* rtmp) {
         out_rtmp = rtmp;
         out_rtmp = rtmp;
+        disconnected = false;
         
         
         req = NULL;
         req = NULL;
         io = NULL;
         io = NULL;
@@ -537,14 +552,22 @@ public:
         
         
         srs_freep(avc);
         srs_freep(avc);
         srs_freep(aac);
         srs_freep(aac);
+        
+        std::multimap<int64_t, SrsTsMessage*>::iterator it;
+        for (it = queue.begin(); it != queue.end(); ++it) {
+            SrsTsMessage* msg = it->second;
+            srs_freep(msg);
+        }
+        queue.clear();
     }
     }
 // interface ISrsTsHandler
 // interface ISrsTsHandler
 public:
 public:
     virtual int on_ts_message(SrsTsMessage* msg);
     virtual int on_ts_message(SrsTsMessage* msg);
 private:
 private:
+    virtual int parse_message_queue();
     virtual int on_ts_video(SrsTsMessage* msg, SrsStream* avs);
     virtual int on_ts_video(SrsTsMessage* msg, SrsStream* avs);
     virtual int write_h264_sps_pps(u_int32_t dts, u_int32_t pts);
     virtual int write_h264_sps_pps(u_int32_t dts, u_int32_t pts);
-    virtual int write_h264_ipb_frame(char* frame, int frame_size, u_int32_t dts, u_int32_t pts);
+    virtual int write_h264_ipb_frame(std::string ibps, SrsCodecVideoAVCFrame frame_type, u_int32_t dts, u_int32_t pts);
     virtual int on_ts_audio(SrsTsMessage* msg, SrsStream* avs);
     virtual int on_ts_audio(SrsTsMessage* msg, SrsStream* avs);
     virtual int write_audio_raw_frame(char* frame, int frame_size, SrsRawAacStreamCodec* codec, u_int32_t dts);
     virtual int write_audio_raw_frame(char* frame, int frame_size, SrsRawAacStreamCodec* codec, u_int32_t dts);
 private:
 private:
@@ -554,6 +577,10 @@ public:
      * connect to output rtmp server.
      * connect to output rtmp server.
      */
      */
     virtual int connect();
     virtual int connect();
+    /**
+     * flush the message queue when all ts parsed.
+     */
+    virtual int flush_message_queue();
 private:
 private:
     virtual int connect_app(std::string ep_server, std::string ep_port);
     virtual int connect_app(std::string ep_server, std::string ep_port);
     // close the connected io and rtmp to ready to be re-connect.
     // close the connected io and rtmp to ready to be re-connect.
@@ -601,7 +628,7 @@ int SrsIngestSrsOutput::on_ts_message(SrsTsMessage* msg)
     // 14496-2 video stream number xxxx
     // 14496-2 video stream number xxxx
     // ((stream_id >> 4) & 0x0f) == SrsTsPESStreamIdVideo
     // ((stream_id >> 4) & 0x0f) == SrsTsPESStreamIdVideo
     
     
-    srs_trace("<- "SRS_CONSTS_LOG_STREAM_CASTER" mpegts: got %s stream=%s, dts=%"PRId64", pts=%"PRId64", size=%d, us=%d, cc=%d, sid=%#x(%s-%d)",
+    srs_info("<- "SRS_CONSTS_LOG_STREAM_CASTER" mpegts: got %s stream=%s, dts=%"PRId64", pts=%"PRId64", size=%d, us=%d, cc=%d, sid=%#x(%s-%d)",
               (msg->channel->apply == SrsTsPidApplyVideo)? "Video":"Audio", srs_ts_stream2string(msg->channel->stream).c_str(),
               (msg->channel->apply == SrsTsPidApplyVideo)? "Video":"Audio", srs_ts_stream2string(msg->channel->stream).c_str(),
               msg->dts, msg->pts, msg->payload->length(), msg->packet->payload_unit_start_indicator, msg->continuity_counter, msg->sid,
               msg->dts, msg->pts, msg->payload->length(), msg->packet->payload_unit_start_indicator, msg->continuity_counter, msg->sid,
               msg->is_audio()? "A":msg->is_video()? "V":"N", msg->stream_number());
               msg->is_audio()? "A":msg->is_video()? "V":"N", msg->stream_number());
@@ -621,41 +648,120 @@ int SrsIngestSrsOutput::on_ts_message(SrsTsMessage* msg)
         return ret;
         return ret;
     }
     }
     
     
-    // parse the stream.
-    SrsStream avs;
-    if ((ret = avs.initialize(msg->payload->bytes(), msg->payload->length())) != ERROR_SUCCESS) {
-        srs_error("mpegts: initialize av stream failed. ret=%d", ret);
+    // we must use queue to cache the msg, then parse it if possible.
+    queue.insert(std::make_pair(msg->dts, msg->detach()));
+    if ((ret = parse_message_queue()) != ERROR_SUCCESS) {
+        // when peer closed, close the output and reconnect.
+        if (srs_is_client_gracefully_close(ret)) {
+            close();
+        }
         return ret;
         return ret;
     }
     }
     
     
-    // publish audio or video.
-    if (msg->channel->stream == SrsTsStreamVideoH264) {
-        return on_ts_video(msg, &avs);
+    return ret;
+}
+
+int SrsIngestSrsOutput::parse_message_queue()
+{
+    int ret = ERROR_SUCCESS;
+    
+    int nb_videos = 0;
+    int nb_audios = 0;
+    std::multimap<int64_t, SrsTsMessage*>::iterator it;
+    for (it = queue.begin(); it != queue.end(); ++it) {
+        SrsTsMessage* msg = it->second;
+        
+        // publish audio or video.
+        if (msg->channel->stream == SrsTsStreamVideoH264) {
+            nb_videos++;
+        } else {
+            nb_audios++;
+        }
+    }
+    
+    // always wait 2+ videos, to left one video in the queue.
+    // TODO: FIXME: support pure audio hls.
+    if (nb_videos <= 1) {
+        return ret;
     }
     }
-    if (msg->channel->stream == SrsTsStreamAudioAAC) {
-        return on_ts_audio(msg, &avs);
+    
+    // parse messages util the last video.
+    while (nb_videos > 1 && queue.size() > 0) {
+        std::multimap<int64_t, SrsTsMessage*>::iterator it = queue.begin();
+        
+        SrsTsMessage* msg = it->second;
+        if (msg->channel->stream == SrsTsStreamVideoH264) {
+            nb_videos--;
+        }
+        queue.erase(it);
+        
+        // parse the stream.
+        SrsStream avs;
+        if ((ret = avs.initialize(msg->payload->bytes(), msg->payload->length())) != ERROR_SUCCESS) {
+            srs_error("mpegts: initialize av stream failed. ret=%d", ret);
+            return ret;
+        }
+        
+        // publish audio or video.
+        if (msg->channel->stream == SrsTsStreamVideoH264) {
+            if ((ret = on_ts_video(msg, &avs)) != ERROR_SUCCESS) {
+                return ret;
+            }
+        }
+        if (msg->channel->stream == SrsTsStreamAudioAAC) {
+            if ((ret = on_ts_audio(msg, &avs)) != ERROR_SUCCESS) {
+                return ret;
+            }
+        }
     }
     }
     
     
-    // TODO: FIXME: implements it.
     return ret;
     return ret;
 }
 }
 
 
-int SrsIngestSrsOutput::on_ts_video(SrsTsMessage* msg, SrsStream* avs)
+int SrsIngestSrsOutput::flush_message_queue()
 {
 {
     int ret = ERROR_SUCCESS;
     int ret = ERROR_SUCCESS;
     
     
-    // ensure rtmp connected.
-    if ((ret = connect()) != ERROR_SUCCESS) {
-        return ret;
+    // parse messages util the last video.
+    while (!queue.empty()) {
+        std::multimap<int64_t, SrsTsMessage*>::iterator it = queue.begin();
+        
+        SrsTsMessage* msg = it->second;
+        queue.erase(it);
+        
+        // parse the stream.
+        SrsStream avs;
+        if ((ret = avs.initialize(msg->payload->bytes(), msg->payload->length())) != ERROR_SUCCESS) {
+            srs_error("mpegts: initialize av stream failed. ret=%d", ret);
+            return ret;
+        }
+        
+        // publish audio or video.
+        if (msg->channel->stream == SrsTsStreamVideoH264) {
+            if ((ret = on_ts_video(msg, &avs)) != ERROR_SUCCESS) {
+                return ret;
+            }
+        }
+        if (msg->channel->stream == SrsTsStreamAudioAAC) {
+            if ((ret = on_ts_audio(msg, &avs)) != ERROR_SUCCESS) {
+                return ret;
+            }
+        }
     }
     }
     
     
+    return ret;
+}
+
+int SrsIngestSrsOutput::on_ts_video(SrsTsMessage* msg, SrsStream* avs)
+{
+    int ret = ERROR_SUCCESS;
+    
     // ts tbn to flv tbn.
     // ts tbn to flv tbn.
     u_int32_t dts = (u_int32_t)(msg->dts / 90);
     u_int32_t dts = (u_int32_t)(msg->dts / 90);
     u_int32_t pts = (u_int32_t)(msg->dts / 90);
     u_int32_t pts = (u_int32_t)(msg->dts / 90);
     
     
-    // the whole ts pes video packet must be a flv frame packet.
-    char* ibpframe = avs->data() + avs->pos();
-    int ibpframe_size = avs->size() - avs->pos();
+    std::string ibps;
+    SrsCodecVideoAVCFrame frame_type = SrsCodecVideoAVCFrameInterFrame;
     
     
     // send each frame.
     // send each frame.
     while (!avs->empty()) {
     while (!avs->empty()) {
@@ -665,10 +771,18 @@ int SrsIngestSrsOutput::on_ts_video(SrsTsMessage* msg, SrsStream* avs)
             return ret;
             return ret;
         }
         }
         
         
-        // ignore invalid frame,
-        //  * atleast 1bytes for SPS to decode the type
-        //  * ignore the auth bytes '09f0'
-        if (frame_size <= 2) {
+        // 5bits, 7.3.1 NAL unit syntax,
+        // H.264-AVC-ISO_IEC_14496-10.pdf, page 44.
+        //  7: SPS, 8: PPS, 5: I Frame, 1: P Frame
+        SrsAvcNaluType nal_unit_type = (SrsAvcNaluType)(frame[0] & 0x1f);
+        
+        // for IDR frame, the frame is keyframe.
+        if (nal_unit_type == SrsAvcNaluTypeIDR) {
+            frame_type = SrsCodecVideoAVCFrameKeyFrame;
+        }
+        
+        // ignore the nalu type aud(9)
+        if (nal_unit_type == SrsAvcNaluTypeAccessUnitDelimiter) {
             continue;
             continue;
         }
         }
         
         
@@ -684,10 +798,6 @@ int SrsIngestSrsOutput::on_ts_video(SrsTsMessage* msg, SrsStream* avs)
             }
             }
             h264_sps_changed = true;
             h264_sps_changed = true;
             h264_sps = sps;
             h264_sps = sps;
-            
-            if ((ret = write_h264_sps_pps(dts, pts)) != ERROR_SUCCESS) {
-                return ret;
-            }
             continue;
             continue;
         }
         }
         
         
@@ -703,27 +813,45 @@ int SrsIngestSrsOutput::on_ts_video(SrsTsMessage* msg, SrsStream* avs)
             }
             }
             h264_pps_changed = true;
             h264_pps_changed = true;
             h264_pps = pps;
             h264_pps = pps;
-            
-            if ((ret = write_h264_sps_pps(dts, pts)) != ERROR_SUCCESS) {
-                return ret;
-            }
             continue;
             continue;
         }
         }
         
         
-        break;
+        // ibp frame.
+        std::string ibp;
+        if ((ret = avc->mux_ipb_frame(frame, frame_size, ibp)) != ERROR_SUCCESS) {
+            return ret;
+        }
+        ibps.append(ibp);
+    }
+    
+    if ((ret = write_h264_sps_pps(dts, pts)) != ERROR_SUCCESS) {
+        return ret;
     }
     }
     
     
-    // ibp frame.
-    srs_info("mpegts: demux avc ibp frame size=%d, dts=%d", ibpframe_size, dts);
-    return write_h264_ipb_frame(ibpframe, ibpframe_size, dts, pts);
+    if ((ret = write_h264_ipb_frame(ibps, frame_type, dts, pts)) != ERROR_SUCCESS) {
+        // drop the ts message.
+        if (ret == ERROR_H264_DROP_BEFORE_SPS_PPS) {
+            return ERROR_SUCCESS;
+        }
+        return ret;
+    }
+    
+    return ret;
 }
 }
 
 
 int SrsIngestSrsOutput::write_h264_sps_pps(u_int32_t dts, u_int32_t pts)
 int SrsIngestSrsOutput::write_h264_sps_pps(u_int32_t dts, u_int32_t pts)
 {
 {
     int ret = ERROR_SUCCESS;
     int ret = ERROR_SUCCESS;
     
     
-    // only send when both sps and pps changed.
-    if (!h264_sps_changed || !h264_pps_changed) {
+    // when sps or pps changed, update the sequence header,
+    // for the pps maybe not changed while sps changed.
+    // so, we must check when each video ts message frame parsed.
+    if (h264_sps_pps_sent && !h264_sps_changed && !h264_pps_changed) {
+        return ret;
+    }
+    
+    // when not got sps/pps, wait.
+    if (h264_pps.empty() || h264_sps.empty()) {
         return ret;
         return ret;
     }
     }
     
     
@@ -752,11 +880,12 @@ int SrsIngestSrsOutput::write_h264_sps_pps(u_int32_t dts, u_int32_t pts)
     h264_sps_changed = false;
     h264_sps_changed = false;
     h264_pps_changed = false;
     h264_pps_changed = false;
     h264_sps_pps_sent = true;
     h264_sps_pps_sent = true;
+    srs_trace("hls: h264 sps/pps sent, sps=%dB, pps=%dB", h264_sps.length(), h264_pps.length());
     
     
     return ret;
     return ret;
 }
 }
 
 
-int SrsIngestSrsOutput::write_h264_ipb_frame(char* frame, int frame_size, u_int32_t dts, u_int32_t pts)
+int SrsIngestSrsOutput::write_h264_ipb_frame(string ibps, SrsCodecVideoAVCFrame frame_type, u_int32_t dts, u_int32_t pts)
 {
 {
     int ret = ERROR_SUCCESS;
     int ret = ERROR_SUCCESS;
     
     
@@ -766,26 +895,10 @@ int SrsIngestSrsOutput::write_h264_ipb_frame(char* frame, int frame_size, u_int3
         return ERROR_H264_DROP_BEFORE_SPS_PPS;
         return ERROR_H264_DROP_BEFORE_SPS_PPS;
     }
     }
     
     
-    // 5bits, 7.3.1 NAL unit syntax,
-    // H.264-AVC-ISO_IEC_14496-10.pdf, page 44.
-    //  7: SPS, 8: PPS, 5: I Frame, 1: P Frame
-    SrsAvcNaluType nal_unit_type = (SrsAvcNaluType)(frame[0] & 0x1f);
-    
-    // for IDR frame, the frame is keyframe.
-    SrsCodecVideoAVCFrame frame_type = SrsCodecVideoAVCFrameInterFrame;
-    if (nal_unit_type == SrsAvcNaluTypeIDR) {
-        frame_type = SrsCodecVideoAVCFrameKeyFrame;
-    }
-    
-    std::string ibp;
-    if ((ret = avc->mux_ipb_frame(frame, frame_size, ibp)) != ERROR_SUCCESS) {
-        return ret;
-    }
-    
     int8_t avc_packet_type = SrsCodecVideoAVCTypeNALU;
     int8_t avc_packet_type = SrsCodecVideoAVCTypeNALU;
     char* flv = NULL;
     char* flv = NULL;
     int nb_flv = 0;
     int nb_flv = 0;
-    if ((ret = avc->mux_avc2flv(ibp, frame_type, avc_packet_type, dts, pts, &flv, &nb_flv)) != ERROR_SUCCESS) {
+    if ((ret = avc->mux_avc2flv(ibps, frame_type, avc_packet_type, dts, pts, &flv, &nb_flv)) != ERROR_SUCCESS) {
         return ret;
         return ret;
     }
     }
     
     
@@ -798,14 +911,17 @@ int SrsIngestSrsOutput::on_ts_audio(SrsTsMessage* msg, SrsStream* avs)
 {
 {
     int ret = ERROR_SUCCESS;
     int ret = ERROR_SUCCESS;
     
     
-    // ensure rtmp connected.
-    if ((ret = connect()) != ERROR_SUCCESS) {
-        return ret;
-    }
-    
     // ts tbn to flv tbn.
     // ts tbn to flv tbn.
     u_int32_t dts = (u_int32_t)(msg->dts / 90);
     u_int32_t dts = (u_int32_t)(msg->dts / 90);
     
     
+    // got the next video to calc the delta duration for each audio.
+    u_int32_t duration = 0;
+    if (!queue.empty()) {
+        SrsTsMessage* nm = queue.begin()->second;
+        duration = (u_int32_t)(srs_max(0, nm->dts - msg->dts) / 90);
+    }
+    u_int32_t max_dts = dts + duration;
+    
     // send each frame.
     // send each frame.
     while (!avs->empty()) {
     while (!avs->empty()) {
         char* frame = NULL;
         char* frame = NULL;
@@ -842,6 +958,10 @@ int SrsIngestSrsOutput::on_ts_audio(SrsTsMessage* msg, SrsStream* avs)
         if ((ret = write_audio_raw_frame(frame, frame_size, &codec, dts)) != ERROR_SUCCESS) {
         if ((ret = write_audio_raw_frame(frame, frame_size, &codec, dts)) != ERROR_SUCCESS) {
             return ret;
             return ret;
         }
         }
+        
+        // calc the delta of dts, when previous frame output.
+        u_int32_t delta = duration / (msg->payload->length() / frame_size);
+        dts = (u_int32_t)(srs_min(max_dts, dts + delta));
     }
     }
     
     
     return ret;
     return ret;
@@ -890,6 +1010,8 @@ int SrsIngestSrsOutput::connect()
         return ret;
         return ret;
     }
     }
     
     
+    srs_trace("connect output=%s", out_rtmp->get_url());
+    
     // parse uri
     // parse uri
     if (!req) {
     if (!req) {
         req = new SrsRequest();
         req = new SrsRequest();
@@ -996,6 +1118,9 @@ int SrsIngestSrsOutput::connect_app(string ep_server, string ep_port)
 
 
 void SrsIngestSrsOutput::close()
 void SrsIngestSrsOutput::close()
 {
 {
+    srs_trace("close output=%s", out_rtmp->get_url());
+    h264_sps_pps_sent = false;
+    
     srs_freep(client);
     srs_freep(client);
     srs_freep(io);
     srs_freep(io);
     srs_freep(req);
     srs_freep(req);
@@ -1035,6 +1160,11 @@ public:
             return ret;
             return ret;
         }
         }
         
         
+        if ((ret = oc->flush_message_queue()) != ERROR_SUCCESS) {
+            srs_warn("flush oc message failed. ret=%d", ret);
+            return ret;
+        }
+        
         return ret;
         return ret;
     }
     }
 };
 };