SRT: fix crash when srt_to_rtmp off (#3386)

* SRT: fix crash when srt_to_rtmp off
* Release v5.0.136 v6.0.17

Co-authored-by: chundonglinlin <chundonglinlin@163.com>

trunk/doc/CHANGELOG.md

@@ -8,6 +8,7 @@ The changelog for SRS.
 
 ## SRS 6.0 Changelog
 
+* v6.0, 2023-01-18, Merge [#3386](https://github.com/ossrs/srs/pull/3386): SRT: fix crash when srt_to_rtmp off. v6.0.17 (#3386)
 * v5.0, 2023-01-17, Merge [#3385](https://github.com/ossrs/srs/pull/3385): API: Support server/pid/service label for exporter and api. v6.0.16 (#3385)
 * v6.0, 2023-01-17, Merge [#3379](https://github.com/ossrs/srs/pull/3379): H265: Support demux vps/pps info. v6.0.15
 * v6.0, 2023-01-08, Merge [#3360](https://github.com/ossrs/srs/pull/3360): H265: Support DVR HEVC stream to MP4. v6.0.14
@@ -30,6 +31,7 @@ The changelog for SRS.
 
 ## SRS 5.0 Changelog
 
+* v5.0, 2023-01-18, Merge [#3386](https://github.com/ossrs/srs/pull/3386): SRT: fix crash when srt_to_rtmp off. v5.0.136 (#3386)
 * v5.0, 2023-01-17, Merge [#3385](https://github.com/ossrs/srs/pull/3385): API: Support server/pid/service label for exporter and api. v5.0.135 (#3385)
 * v5.0, 2023-01-17, Merge [#3383](https://github.com/ossrs/srs/pull/3383): GB: Fix PSM parsing indicator bug. v5.0.134 (#3383)
 * v5.0, 2023-01-08, Merge [#3308](https://github.com/ossrs/srs/pull/3308): DVR: Improve file write performance by fwrite with cache. v5.0.133

trunk/src/app/srs_app_srt_source.cpp

@@ -768,7 +768,7 @@ srs_error_t SrsSrtSource::on_publish()
         return srs_error_wrap(err, "source id change");
     }
 
-    if ((err = bridge_->on_publish()) != srs_success) {
+    if (bridge_ && (err = bridge_->on_publish()) != srs_success) {
         return srs_error_wrap(err, "bridge on publish");
     }
 
@@ -787,7 +787,9 @@ void SrsSrtSource::on_unpublish()
 
     can_publish_ = true;
 
-    bridge_->on_unpublish();
+    if (bridge_) {
+        bridge_->on_unpublish();
+    }
     srs_freep(bridge_);
 }
 
@@ -802,7 +804,7 @@ srs_error_t SrsSrtSource::on_packet(SrsSrtPacket* packet)
         }
     }
 
-    if ((err = bridge_->on_packet(packet)) != srs_success) {
+    if (bridge_ && (err = bridge_->on_packet(packet)) != srs_success) {
         return srs_error_wrap(err, "bridge consume message");
     }
 

trunk/src/core/srs_core_version5.hpp

@@ -9,6 +9,6 @@
 
 #define VERSION_MAJOR       5
 #define VERSION_MINOR       0
-#define VERSION_REVISION    135
+#define VERSION_REVISION    136
 
 #endif

trunk/src/core/srs_core_version6.hpp

@@ -9,6 +9,6 @@
 
 #define VERSION_MAJOR       6
 #define VERSION_MINOR       0
-#define VERSION_REVISION    16
+#define VERSION_REVISION    17
 
 #endif