新增支持on_publish hook返回stream_replace替换流id (#2641)

src/Common/MediaSource.h

@@ -187,6 +187,9 @@ public:
     //hls录制保存路径
     std::string hls_save_path;
 
+    // 支持通过on_publish返回值替换stream_id
+    std::string stream_replace;
+
     template <typename MAP>
     ProtocolOption(const MAP &allArgs) : ProtocolOption() {
 #define GET_OPT_VALUE(key) getArgsValue(allArgs, #key, key)
@@ -214,6 +217,7 @@ public:
         GET_OPT_VALUE(mp4_save_path);
 
         GET_OPT_VALUE(hls_save_path);
+        GET_OPT_VALUE(stream_replace);
     }
 
 private:

src/Common/MultiMediaSourceMuxer.cpp

@@ -80,6 +80,10 @@ std::string MultiMediaSourceMuxer::shortUrl() const {
 }
 
 MultiMediaSourceMuxer::MultiMediaSourceMuxer(const MediaTuple& tuple, float dur_sec, const ProtocolOption &option): _tuple(tuple) {
+    if (!option.stream_replace.empty()) {
+        // 支持在on_publish hook中替换stream_id
+        _tuple.stream = option.stream_replace;
+    }
     _poller = EventPollerPool::Instance().getPoller();
     _create_in_poller = _poller->isCurrentThread();
     _option = option;