支持http-ts/websocket-ts直播

src/TS/TSMediaSourceMuxer.h

@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
+ *
+ * This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
+ *
+ * Use of this source code is governed by MIT license that can be found in the
+ * LICENSE file in the root of the source tree. All contributing project authors
+ * may be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef ZLMEDIAKIT_TSMEDIASOURCEMUXER_H
+#define ZLMEDIAKIT_TSMEDIASOURCEMUXER_H
+
+#include "TSMediaSource.h"
+#include "Record/TsMuxer.h"
+
+namespace mediakit {
+
+class TSMediaSourceMuxer : public TsMuxer, public MediaSourceEventInterceptor,
+                           public std::enable_shared_from_this<TSMediaSourceMuxer> {
+public:
+    using Ptr = std::shared_ptr<TSMediaSourceMuxer>;
+
+    TSMediaSourceMuxer(const string &vhost,
+                       const string &app,
+                       const string &stream_id) {
+        _media_src = std::make_shared<TSMediaSource>(vhost, app, stream_id);
+        _pool.setSize(256);
+    }
+
+    ~TSMediaSourceMuxer() override = default;
+
+    void setListener(const std::weak_ptr<MediaSourceEvent> &listener){
+        _listener = listener;
+        _media_src->setListener(shared_from_this());
+    }
+
+    int readerCount() const{
+        return _media_src->readerCount();
+    }
+
+    void onReaderChanged(MediaSource &sender, int size) override {
+        _enabled = size;
+        if (!size) {
+            _clear_cache = true;
+        }
+        MediaSourceEventInterceptor::onReaderChanged(sender, size);
+    }
+
+    void inputFrame(const Frame::Ptr &frame) override {
+        if (_clear_cache) {
+            _clear_cache = false;
+            _media_src->clearCache();
+        }
+        if (_enabled) {
+            TsMuxer::inputFrame(frame);
+        }
+    }
+
+    bool isEnabled() {
+        //缓存尚未清空时，还允许触发inputFrame函数，以便及时清空缓存
+        return _clear_cache ? true : _enabled;
+    }
+
+protected:
+    void onTs(const void *data, int len,uint32_t timestamp,bool is_idr_fast_packet) override{
+        if(!data || !len){
+            return;
+        }
+        TSPacket::Ptr packet = _pool.obtain();
+        packet->assign((char *) data, len);
+        packet->time_stamp = timestamp;
+        _media_src->onWrite(packet, is_idr_fast_packet);
+    }
+
+private:
+    bool _enabled = true;
+    bool _clear_cache = false;
+    TSMediaSource::PoolType _pool;
+    TSMediaSource::Ptr _media_src;
+};
+
+}//namespace mediakit
+#endif //ZLMEDIAKIT_TSMEDIASOURCEMUXER_H