HTTP-FMP4: 修复http-fmp4直播秒开问题

src/FMP4/FMP4MediaSource.h

@@ -64,9 +64,7 @@ public:
      */
     void setInitSegment(string str) {
         _init_segment = std::move(str);
-        if (_ring) {
-            regist();
-        }
+        createRing();
     }
 
     /**

src/FMP4/FMP4MediaSourceMuxer.h

@@ -72,7 +72,7 @@ public:
     }
 
 protected:
-    void onSegmentData(const string &string, uint32_t stamp, bool key_frame) override {
+    void onSegmentData(string string, uint32_t stamp, bool key_frame) override {
         if (string.empty()) {
             return;
         }

src/Record/MP4Muxer.cpp

@@ -9,9 +9,11 @@
  */
 
 #ifdef ENABLE_MP4
+
 #include "MP4Muxer.h"
 #include "Util/File.h"
 #include "Extension/H264.h"
+
 namespace mediakit {
 
 MP4Muxer::MP4Muxer() {}
@@ -84,7 +86,6 @@ bool MP4MuxerInterface::inputFrame(const Frame::Ptr &frame) {
     //mp4文件时间戳需要从0开始
     auto &track_info = it->second;
     int64_t dts_out, pts_out;
-
     switch (frame->getCodecId()) {
         case CodecH264:
         case CodecH265: {
@@ -319,22 +320,24 @@ bool MP4MuxerMemory::inputFrame(const Frame::Ptr &frame){
         return false;
     }
 
-    auto key_frame = frame->keyFrame();
-    auto data = _memory_file->getAndClearMemory();
-    if (!data.empty()) {
+    bool key_frame = frame->keyFrame();
+
     //flush切片
     saveSegment();
+
+    auto data = _memory_file->getAndClearMemory();
+    if (!data.empty()) {
         //输出切片数据
-        onSegmentData(data, frame->dts(), _key_frame);
+        onSegmentData(std::move(data), frame->dts(), _key_frame);
         _key_frame = false;
     }
 
     if (key_frame) {
         _key_frame = true;
     }
+
     return MP4MuxerInterface::inputFrame(frame);
 }
 
-
 }//namespace mediakit
 #endif//#ifdef ENABLE_MP4

src/Record/MP4Muxer.h

@@ -134,7 +134,7 @@ protected:
      * @param stamp 切片末尾时间戳
      * @param key_frame 是否有关键帧
      */
-    virtual void onSegmentData(const string &string, uint32_t stamp, bool key_frame) = 0;
+    virtual void onSegmentData(string string, uint32_t stamp, bool key_frame) = 0;
 
 protected:
     MP4FileIO::Writer createWriter() override;