for #742, refine source, meta and origin hub. 3.0.16

README.md

@@ -184,6 +184,7 @@ Please select your language:
 
 ### V3 changes
 
+* v3.0, 2017-01-19, for [#742][bug #742] refine source, meta and origin hub. 3.0.16
 * v3.0, 2017-01-17, for [#742][bug #742] refine source, timeout, live cycle. 3.0.15
 * v3.0, 2017-01-11, fix [#735][bug #735] config transform refer_publish invalid. 3.0.14
 * v3.0, 2017-01-06, for [#730][bug #730] support config in/out ack size. 3.0.13
@@ -872,13 +873,13 @@ Remark:
 |     Input            | SRS(Simple RTMP Server) |     Output     |
 +----------------------+-------------------------+----------------+
 |    Encoder(1)        |   +-> RTMP/HDS  --------+-> Flash player |
-|  (FMLE,FFMPEG, -rtmp-+->-+-> HLS/HTTP ---------+-> M3u8 player  |
+|  (FMLE,FFMPEG, -rtmp-+->-+-> HLS/HTTP ---------+-> M3U8 player  |
 |  Flash,XSPLIT,       |   +-> FLV/MP3/Aac/Ts ---+-> HTTP player  |
 |  ......)             |   +-> Fowarder ---------+-> RTMP server  |
 |                      |   +-> Transcoder -------+-> RTMP server  |
 |                      |   +-> EXEC(5) ----------+-> External app |
-|                      |   +-> DVR --------------+-> Flv file     |
-|                      |   +-> BandwidthTest ----+-> flash        |
+|                      |   +-> DVR --------------+-> FLV file     |
+|                      |   +-> BandwidthTest ----+-> Flash        |
 +----------------------+                         |                |
 |  MediaSource(2)      |                         |                |
 |  (RTSP,FILE,         |                         |                |

trunk/src/app/srs_app_dvr.cpp

@@ -970,7 +970,7 @@ int SrsDvrSegmentPlan::update_duration(SrsSharedPtrMessage* msg)
 
 SrsDvr::SrsDvr()
 {
-    source = NULL;
+    hub = NULL;
     plan = NULL;
     req = NULL;
     actived = false;
@@ -985,12 +985,12 @@ SrsDvr::~SrsDvr()
     srs_freep(plan);
 }
 
-int SrsDvr::initialize(SrsSource* s, SrsRequest* r)
+int SrsDvr::initialize(SrsOriginHub* h, SrsRequest* r)
 {
     int ret = ERROR_SUCCESS;
 
     req = r;
-    source = s;
+    hub = h;
     
     SrsConfDirective* conf = _srs_config->get_dvr_apply(r->vhost);
     actived = srs_config_apply_filter(conf, r);
@@ -1018,7 +1018,7 @@ int SrsDvr::on_publish(bool fetch_sequence_header)
         return ret;
     }
     
-    if (fetch_sequence_header && (ret = source->on_dvr_request_sh()) != ERROR_SUCCESS) {
+    if (fetch_sequence_header && (ret = hub->on_dvr_request_sh()) != ERROR_SUCCESS) {
         return ret;
     }
     

trunk/src/app/srs_app_dvr.hpp

@@ -35,6 +35,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #ifdef SRS_AUTO_DVR
 
 class SrsSource;
+class SrsOriginHub;
 class SrsRequest;
 class SrsBuffer;
 class SrsRtmpJitter;
@@ -300,7 +301,7 @@ private:
 class SrsDvr : public ISrsReloadHandler
 {
 private:
-    SrsSource* source;
+    SrsOriginHub* hub;
     SrsDvrPlan* plan;
     SrsRequest* req;
 private:
@@ -317,7 +318,7 @@ public:
      * when system initialize(encoder publish at first time, or reload),
      * initialize the dvr will reinitialize the plan, the whole dvr framework.
      */
-    virtual int initialize(SrsSource* s, SrsRequest* r);
+    virtual int initialize(SrsOriginHub* h, SrsRequest* r);
     /**
      * publish stream event,
      * when encoder start to publish RTMP stream.

trunk/src/app/srs_app_forward.cpp

@@ -50,9 +50,9 @@ using namespace std;
 // when error, forwarder sleep for a while and retry.
 #define SRS_FORWARDER_CIMS (3000)
 
-SrsForwarder::SrsForwarder(SrsSource* s)
+SrsForwarder::SrsForwarder(SrsOriginHub* h)
 {
-    source = s;
+    hub = h;
     
     req = NULL;
     sh_video = sh_audio = NULL;
@@ -250,7 +250,7 @@ int SrsForwarder::cycle()
         return ret;
     }
     
-    if ((ret = source->on_forwarder_start(this)) != ERROR_SUCCESS) {
+    if ((ret = hub->on_forwarder_start(this)) != ERROR_SUCCESS) {
         srs_error("callback the source to feed the sequence header failed. ret=%d", ret);
         return ret;
     }

trunk/src/app/srs_app_forward.hpp

@@ -42,6 +42,7 @@ class SrsRtmpJitter;
 class SrsRtmpClient;
 class SrsRequest;
 class SrsSource;
+class SrsOriginHub;
 class SrsKbps;
 class SrsSimpleRtmpClient;
 
@@ -58,7 +59,7 @@ private:
 private:
     SrsReusableThread2* pthread;
 private:
-    SrsSource* source;
+    SrsOriginHub* hub;
     SrsSimpleRtmpClient* sdk;
     SrsRtmpJitter* jitter;
     SrsMessageQueue* queue;
@@ -69,7 +70,7 @@ private:
     SrsSharedPtrMessage* sh_audio;
     SrsSharedPtrMessage* sh_video;
 public:
-    SrsForwarder(SrsSource* _source);
+    SrsForwarder(SrsOriginHub* h);
     virtual ~SrsForwarder();
 public:
     virtual int initialize(SrsRequest* r, std::string ep);

trunk/src/app/srs_app_hls.cpp

@@ -1125,7 +1125,7 @@ int SrsHlsCache::reap_segment(string log_desc, SrsHlsMuxer* muxer, int64_t segme
 SrsHls::SrsHls()
 {
     req = NULL;
-    source = NULL;
+    hub = NULL;
     
     hls_enabled = false;
     hls_can_dispose = false;
@@ -1197,11 +1197,11 @@ int SrsHls::cycle()
     return ret;
 }
 
-int SrsHls::initialize(SrsSource* s, SrsRequest* r)
+int SrsHls::initialize(SrsOriginHub* h, SrsRequest* r)
 {
     int ret = ERROR_SUCCESS;
 
-    source = s;
+    hub = h;
     req = r;
 
     if ((ret = muxer->initialize()) != ERROR_SUCCESS) {
@@ -1244,7 +1244,7 @@ int SrsHls::on_publish(bool fetch_sequence_header)
         // notice the source to get the cached sequence header.
         // when reload to start hls, hls will never get the sequence header in stream,
         // use the SrsSource.on_hls_start to push the sequence header to HLS.
-        if ((ret = source->on_hls_start()) != ERROR_SUCCESS) {
+        if ((ret = hub->on_hls_start()) != ERROR_SUCCESS) {
             srs_error("callback source hls start failed. ret=%d", ret);
             return ret;
         }

trunk/src/app/srs_app_hls.hpp

@@ -45,6 +45,7 @@ class SrsAvcAacCodec;
 class SrsRequest;
 class SrsPithyPrint;
 class SrsSource;
+class SrsOriginHub;
 class SrsFileWriter;
 class SrsSimpleStream;
 class SrsTsAacJitter;
@@ -362,7 +363,7 @@ private:
     bool hls_can_dispose;
     int64_t last_update_time;
 private:
-    SrsSource* source;
+    SrsOriginHub* hub;
     SrsAvcAacCodec* codec;
     SrsCodecSample* sample;
     SrsRtmpJitter* jitter;
@@ -391,7 +392,7 @@ public:
     /**
     * initialize the hls by handler and source.
     */
-    virtual int initialize(SrsSource* s, SrsRequest* r);
+    virtual int initialize(SrsOriginHub* h, SrsRequest* r);
     /**
      * publish stream event, continue to write the m3u8,
      * for the muxer object not destroyed.

trunk/src/app/srs_app_source.hpp

@@ -53,6 +53,7 @@ class SrsEdgeProxyContext;
 class SrsMessageArray;
 class SrsNgExec;
 class SrsConnection;
+class SrsMessageHeader;
 #ifdef SRS_AUTO_HLS
 class SrsHls;
 #endif
@@ -410,11 +411,129 @@ public:
     virtual SrsSharedPtrMessage* pop();
 };
 
+/**
+ * The hub for origin is a collection of utilities for origin only,
+ * for example, DVR, HLS, Forward and Transcode are only available for origin,
+ * they are meanless for edge server.
+ */
+class SrsOriginHub : public ISrsReloadHandler
+{
+private:
+    SrsSource* source;
+    SrsRequest* req;
+private:
+    // hls handler.
+#ifdef SRS_AUTO_HLS
+    SrsHls* hls;
+#endif
+    // dvr handler.
+#ifdef SRS_AUTO_DVR
+    SrsDvr* dvr;
+#endif
+    // transcoding handler.
+#ifdef SRS_AUTO_TRANSCODE
+    SrsEncoder* encoder;
+#endif
+#ifdef SRS_AUTO_HDS
+    // adobe hds(http dynamic streaming).
+    SrsHds *hds;
+#endif
+    // nginx-rtmp exec feature.
+    SrsNgExec* ng_exec;
+    // to forward stream to other servers
+    std::vector<SrsForwarder*> forwarders;
+public:
+    SrsOriginHub(SrsSource* s);
+    virtual ~SrsOriginHub();
+public:
+    // Initialize the hub with source and request.
+    // @param r The request object, managed by source.
+    virtual int initialize(SrsRequest* r);
+    // Dispose the hub, release utilities resource,
+    // for example, delete all HLS pieces.
+    virtual void dispose();
+    // Cycle the hub, process some regular events,
+    // for example, dispose hls in cycle.
+    virtual int cycle();
+public:
+    // When got a original metadata.
+    virtual int on_original_metadata(SrsOnMetaDataPacket* metadata);
+    // When got a parsed metadata.
+    virtual int on_meta_data(SrsSharedPtrMessage* shared_metadata);
+    // When got a parsed audio packet.
+    virtual int on_audio(SrsSharedPtrMessage* shared_audio);
+    // When got a parsed video packet.
+    virtual int on_video(SrsSharedPtrMessage* shared_video, bool is_sequence_header);
+public:
+    // When start publish stream.
+    virtual int on_publish();
+    // When stop publish stream.
+    virtual void on_unpublish();
+// for the tools callback
+public:
+    // for the SrsForwarder to callback to request the sequence headers.
+    virtual int on_forwarder_start(SrsForwarder* forwarder);
+    // for the SrsHls to callback to request the sequence headers.
+    virtual int on_hls_start();
+    // for the SrsDvr to callback to request the sequence headers.
+    virtual int on_dvr_request_sh();
+// interface ISrsReloadHandler
+public:
+    virtual int on_reload_vhost_forward(std::string vhost);
+    virtual int on_reload_vhost_hls(std::string vhost);
+    virtual int on_reload_vhost_hds(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_vhost_exec(std::string vhost);
+private:
+    virtual int create_forwarders();
+    virtual void destroy_forwarders();
+};
+
+/**
+ * Each stream have optional meta(sps/pps in sequence header and metadata).
+ * This class cache and update the meta.
+ */
+class SrsMetaCache
+{
+private:
+    SrsSharedPtrMessage* cache_metadata;
+    // the cached video sequence header.
+    SrsSharedPtrMessage* cache_sh_video;
+    // the cached audio sequence header.
+    SrsSharedPtrMessage* cache_sh_audio;
+public:
+    SrsMetaCache();
+    virtual ~SrsMetaCache();
+public:
+    // Dispose the metadata cache.
+    virtual void dispose();
+public:
+    // Get the cached metadata.
+    virtual SrsSharedPtrMessage* data();
+    // Get the cached vsh(video sequence header).
+    virtual SrsSharedPtrMessage* vsh();
+    // Get the cached ash(audio sequence header).
+    virtual SrsSharedPtrMessage* ash();
+    // Dumps cached metadata to consumer.
+    // @param dm Whether dumps the metadata.
+    // @param ds Whether dumps the sequence header.
+    virtual int dumps(SrsConsumer* consumer, bool atc, SrsRtmpJitterAlgorithm ag, bool dm, bool ds);
+public:
+    // Update the cached metadata by packet.
+    virtual int update_data(SrsMessageHeader* header, SrsOnMetaDataPacket* metadata, bool& updated);
+    // Update the cached audio sequence header.
+    virtual void update_ash(SrsSharedPtrMessage* msg);
+    // Update the cached video sequence header.
+    virtual void update_vsh(SrsSharedPtrMessage* msg);
+};
+
 /**
 * live streaming source.
 */
 class SrsSource : public ISrsReloadHandler
 {
+    friend class SrsOriginHub;
 private:
     static std::map<std::string, SrsSource*> pool;
 public:
@@ -475,35 +594,19 @@ private:
     bool is_monotonically_increase;
     // the time of the packet we just got.
     int64_t last_packet_time;
-    // hls handler.
-#ifdef SRS_AUTO_HLS
-    SrsHls* hls;
-#endif
-    // dvr handler.
-#ifdef SRS_AUTO_DVR
-    SrsDvr* dvr;
-#endif
-    // transcoding handler.
-#ifdef SRS_AUTO_TRANSCODE
-    SrsEncoder* encoder;
-#endif
-#ifdef SRS_AUTO_HDS
-    // adobe hds(http dynamic streaming).
-    SrsHds *hds;
-#endif
-    // nginx-rtmp exec feature.
-    SrsNgExec* ng_exec;
+    // for aggregate message
+    SrsBuffer* aggregate_stream;
+    // the event handler.
+    ISrsSourceHandler* handler;
     // edge control service
     SrsPlayEdge* play_edge;
     SrsPublishEdge* publish_edge;
     // gop cache for client fast startup.
     SrsGopCache* gop_cache;
-    // to forward stream to other servers
-    std::vector<SrsForwarder*> forwarders;
-    // for aggregate message
-    SrsBuffer* aggregate_stream;
-    // the event handler.
-    ISrsSourceHandler* handler;
+    // The hub for origin server.
+    SrsOriginHub* hub;
+    // The metadata cache.
+    SrsMetaCache* meta;
 private:
     /**
     * can publish, true when is not streaming
@@ -512,12 +615,6 @@ private:
     // last die time, when all consumers quit and no publisher,
     // we will remove the source when source die.
     int64_t die_at;
-private:
-    SrsSharedPtrMessage* cache_metadata;
-    // the cached video sequence header.
-    SrsSharedPtrMessage* cache_sh_video;
-    // the cached audio sequence header.
-    SrsSharedPtrMessage* cache_sh_audio;
 public:
     SrsSource();
     virtual ~SrsSource();
@@ -535,20 +632,8 @@ public:
 // interface ISrsReloadHandler
 public:
     virtual int on_reload_vhost_play(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_hds(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_vhost_exec(std::string vhost);
 // for the tools callback
 public:
-    // for the SrsForwarder to callback to request the sequence headers.
-    virtual int on_forwarder_start(SrsForwarder* forwarder);
-    // for the SrsHls to callback to request the sequence headers.
-    virtual int on_hls_start();
-    // for the SrsDvr to callback to request the sequence headers.
-    virtual int on_dvr_request_sh();
     // source id changed.
     virtual int on_source_id_changed(int id);
     // get current source id.
@@ -599,9 +684,6 @@ public:
     virtual int on_edge_proxy_publish(SrsCommonMessage* msg);
     // for edge, proxy stop publish
     virtual void on_edge_proxy_unpublish();
-private:
-    virtual int create_forwarders();
-    virtual void destroy_forwarders();
 public:
     virtual std::string get_curr_origin();
 };

trunk/src/core/srs_core.hpp

@@ -31,7 +31,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 // current release version
 #define VERSION_MAJOR       3
 #define VERSION_MINOR       0
-#define VERSION_REVISION    15
+#define VERSION_REVISION    16
 
 // generated by configure, only macros.
 #include <srs_auto_headers.hpp>