Fix #1630, disable cache for stream changing, and drop dup header. 3.0.128

README.md

@@ -146,6 +146,7 @@ For previous versions, please read:
 
 ## V3 changes
 
+* v3.0, 2020-03-12, For [#1630][bug #1630], disable cache for stream changing, and drop dup header. 3.0.128
 * v3.0, 2020-03-12, For [#1594][bug #1594], detect and disable daemon for docker. 3.0.127
 * v3.0, 2020-03-12, For [#1634][bug #1634], always check status in thread loop. 3.0.126
 * v3.0, 2020-03-11, For [#1634][bug #1634], refactor output with datetime for ingest/encoder/exec. 3.0.125
@@ -1666,6 +1667,7 @@ Winlin
 [bug #1598]: https://github.com/ossrs/srs/issues/1598
 [bug #1634]: https://github.com/ossrs/srs/issues/1634
 [bug #1594]: https://github.com/ossrs/srs/issues/1594
+[bug #1630]: https://github.com/ossrs/srs/issues/1630
 [bug #yyyyyyyyyyyyy]: https://github.com/ossrs/srs/issues/yyyyyyyyyyyyy
 
 [exo #828]: https://github.com/google/ExoPlayer/pull/828

trunk/src/app/srs_app_source.cpp

@@ -1506,6 +1506,7 @@ void SrsOriginHub::destroy_forwarders()
 SrsMetaCache::SrsMetaCache()
 {
     meta = video = audio = NULL;
+    previous_video = previous_audio = NULL;
     vformat = new SrsRtmpFormat();
     aformat = new SrsRtmpFormat();
 }
@@ -1516,6 +1517,13 @@ SrsMetaCache::~SrsMetaCache()
 }
 
 void SrsMetaCache::dispose()
+{
+    clear();
+    srs_freep(previous_video);
+    srs_freep(previous_audio);
+}
+
+void SrsMetaCache::clear()
 {
     srs_freep(meta);
     srs_freep(video);
@@ -1570,6 +1578,28 @@ srs_error_t SrsMetaCache::dumps(SrsConsumer* consumer, bool atc, SrsRtmpJitterAl
     return err;
 }
 
+SrsSharedPtrMessage* SrsMetaCache::previous_vsh()
+{
+    return previous_video;
+}
+
+SrsSharedPtrMessage* SrsMetaCache::previous_ash()
+{
+    return previous_audio;
+}
+
+void SrsMetaCache::update_previous_vsh()
+{
+    srs_freep(previous_video);
+    previous_video = video? video->copy() : NULL;
+}
+
+void SrsMetaCache::update_previous_ash()
+{
+    srs_freep(previous_audio);
+    previous_audio = audio? audio->copy() : NULL;
+}
+
 srs_error_t SrsMetaCache::update_data(SrsMessageHeader* header, SrsOnMetaDataPacket* metadata, bool& updated)
 {
     updated = false;
@@ -1636,6 +1666,7 @@ srs_error_t SrsMetaCache::update_ash(SrsSharedPtrMessage* msg)
 {
     srs_freep(audio);
     audio = msg->copy();
+    update_previous_ash();
     return aformat->on_audio(msg);
 }
 
@@ -1643,6 +1674,7 @@ srs_error_t SrsMetaCache::update_vsh(SrsSharedPtrMessage* msg)
 {
     srs_freep(video);
     video = msg->copy();
+    update_previous_vsh();
     return vformat->on_video(msg);
 }
 
@@ -2138,9 +2170,9 @@ srs_error_t SrsSource::on_audio_imp(SrsSharedPtrMessage* msg)
     
     // whether consumer should drop for the duplicated sequence header.
     bool drop_for_reduce = false;
-    if (is_sequence_header && meta->ash() && _srs_config->get_reduce_sequence_header(req->vhost)) {
-        if (meta->ash()->size == msg->size) {
-            drop_for_reduce = srs_bytes_equals(meta->ash()->payload, msg->payload, msg->size);
+    if (is_sequence_header && meta->previous_ash() && _srs_config->get_reduce_sequence_header(req->vhost)) {
+        if (meta->previous_ash()->size == msg->size) {
+            drop_for_reduce = srs_bytes_equals(meta->previous_ash()->payload, msg->payload, msg->size);
             srs_warn("drop for reduce sh audio, size=%d", msg->size);
         }
     }
@@ -2257,9 +2289,9 @@ srs_error_t SrsSource::on_video_imp(SrsSharedPtrMessage* msg)
     
     // whether consumer should drop for the duplicated sequence header.
     bool drop_for_reduce = false;
-    if (is_sequence_header && meta->vsh() && _srs_config->get_reduce_sequence_header(req->vhost)) {
-        if (meta->vsh()->size == msg->size) {
-            drop_for_reduce = srs_bytes_equals(meta->vsh()->payload, msg->payload, msg->size);
+    if (is_sequence_header && meta->previous_vsh() && _srs_config->get_reduce_sequence_header(req->vhost)) {
+        if (meta->previous_vsh()->size == msg->size) {
+            drop_for_reduce = srs_bytes_equals(meta->previous_vsh()->payload, msg->payload, msg->size);
             srs_warn("drop for reduce sh video, size=%d", msg->size);
         }
     }
@@ -2416,6 +2448,10 @@ srs_error_t SrsSource::on_publish()
     // reset the mix queue.
     mix_queue->clear();
 
+    // Reset the metadata cache, to make VLC happy when disable/enable stream.
+    // @see https://github.com/ossrs/srs/issues/1630#issuecomment-597979448
+    meta->clear();
+    
     // detect the monotonically again.
     is_monotonically_increase = true;
     last_packet_time = 0;
@@ -2451,6 +2487,11 @@ void SrsSource::on_unpublish()
     // when drop dup sequence header, drop the metadata also.
     gop_cache->clear();
 
+    // Reset the metadata cache, to make VLC happy when disable/enable stream.
+    // @see https://github.com/ossrs/srs/issues/1630#issuecomment-597979448
+    meta->update_previous_vsh();
+    meta->update_previous_ash();
+
     srs_trace("cleanup when unpublish");
     
     _can_publish = true;

trunk/src/app/srs_app_source.hpp

@@ -407,8 +407,10 @@ private:
     SrsSharedPtrMessage* meta;
     // The cached video sequence header, for example, sps/pps for h.264.
     SrsSharedPtrMessage* video;
+    SrsSharedPtrMessage* previous_video;
     // The cached audio sequence header, for example, asc for aac.
     SrsSharedPtrMessage* audio;
+    SrsSharedPtrMessage* previous_audio;
     // The format for sequence header.
     SrsRtmpFormat* vformat;
     SrsRtmpFormat* aformat;
@@ -418,6 +420,8 @@ public:
 public:
     // Dispose the metadata cache.
     virtual void dispose();
+    // For each publishing, clear the metadata cache.
+    virtual void clear();
 public:
     // Get the cached metadata.
     virtual SrsSharedPtrMessage* data();
@@ -431,6 +435,13 @@ public:
     // @param dm Whether dumps the metadata.
     // @param ds Whether dumps the sequence header.
     virtual srs_error_t dumps(SrsConsumer* consumer, bool atc, SrsRtmpJitterAlgorithm ag, bool dm, bool ds);
+public:
+    // Previous exists sequence header.
+    virtual SrsSharedPtrMessage* previous_vsh();
+    virtual SrsSharedPtrMessage* previous_ash();
+    // Update previous sequence header, drop old one, set to new sequence header.
+    virtual void update_previous_vsh();
+    virtual void update_previous_ash();
 public:
     // Update the cached metadata by packet.
     virtual srs_error_t update_data(SrsMessageHeader* header, SrsOnMetaDataPacket* metadata, bool& updated);

trunk/src/core/srs_core_version3.hpp

@@ -24,6 +24,6 @@
 #ifndef SRS_CORE_VERSION3_HPP
 #define SRS_CORE_VERSION3_HPP
 
-#define SRS_VERSION3_REVISION 127
+#define SRS_VERSION3_REVISION 128
 
 #endif