http-ts直播减少一次内存拷贝

src/Record/HlsRecorder.h

@@ -73,8 +73,12 @@ public:
     }
 
 private:
-    void onTs(const void *packet, size_t bytes, uint32_t timestamp, bool is_idr_fast_packet) override {
-        _hls->inputData((char *) packet, bytes, timestamp, is_idr_fast_packet);
+    void onTs(std::shared_ptr<Buffer> buffer, uint32_t timestamp, bool is_idr_fast_packet) override {
+        if (!buffer) {
+            _hls->inputData(nullptr, 0, timestamp, is_idr_fast_packet);
+        } else {
+            _hls->inputData(buffer->data(), buffer->size(), timestamp, is_idr_fast_packet);
+        }
     }
 
 private:

src/Record/TsMuxer.cpp

@@ -133,7 +133,7 @@ void TsMuxer::inputFrame(const Frame::Ptr &frame) {
 void TsMuxer::resetTracks() {
     _have_video = false;
     //通知片段中断
-    onTs(nullptr, 0, _timestamp, 0);
+    onTs(nullptr, _timestamp, 0);
     uninit();
     init();
 }
@@ -160,12 +160,14 @@ void TsMuxer::init() {
 }
 
 void TsMuxer::onTs_l(const void *packet, size_t bytes) {
-    _cache.append((char *) packet, bytes);
+    if (!_cache) {
+        _cache = std::make_shared<BufferLikeString>();
+    }
+    _cache->append((char *) packet, bytes);
 }
 
 void TsMuxer::flushCache() {
-    onTs(_cache.data(), _cache.size(), _timestamp, _is_idr_fast_packet);
-    _cache.clear();
+    onTs(std::move(_cache), _timestamp, _is_idr_fast_packet);
     _is_idr_fast_packet = false;
 }
 

src/Record/TsMuxer.h

@@ -45,12 +45,11 @@ public:
 protected:
     /**
      * 输出mpegts数据回调
-     * @param packet mpegts数据
-     * @param bytes mpegts数据长度
+     * @param buffer mpegts数据包
      * @param timestamp 时间戳，单位毫秒
      * @param is_idr_fast_packet 是否为关键帧的第一个TS包，用于确保ts切片第一帧为关键帧
      */
-    virtual void onTs(const void *packet, size_t bytes,uint32_t timestamp,bool is_idr_fast_packet) = 0;
+    virtual void onTs(std::shared_ptr<Buffer> buffer, uint32_t timestamp,bool is_idr_fast_packet) = 0;
 
 private:
     void init();
@@ -72,7 +71,7 @@ private:
     };
     unordered_map<int, track_info> _codec_to_trackid;
     FrameMerger _frame_merger{FrameMerger::h264_prefix};
-    BufferLikeString _cache;
+    std::shared_ptr<BufferLikeString> _cache;
 };
 
 }//namespace mediakit