mp4录制完成后是否进行二次关键帧索引写入头部

conf/config.ini

@@ -117,6 +117,8 @@ fileSecond=3600
 #mp4点播每次流化数据量，单位毫秒，
 #减少该值可以让点播数据发送量更平滑，增大该值则更节省cpu资源
 sampleMS=100
+#mp4录制完成后是否进行二次关键帧索引写入头部
+fastStart=0
 #MP4点播(rtsp/rtmp/http-flv/ws-flv)是否循环播放文件
 fileRepeat=0
 

src/Common/config.cpp

@@ -271,6 +271,9 @@ const string kFilePath = RECORD_FIELD"filePath";
 //mp4文件写缓存大小
 const string kFileBufSize = RECORD_FIELD"fileBufSize";
 
+//mp4录制完成后是否进行二次关键帧索引写入头部
+const string kFastStart = RECORD_FIELD"fastStart";
+
 //mp4文件是否重头循环读取
 const string kFileRepeat = RECORD_FIELD"fileRepeat";
 
@@ -280,6 +283,7 @@ onceToken token([](){
 	mINI::Instance()[kFileSecond] = RECORD_FILE_SECOND;
 	mINI::Instance()[kFilePath] = RECORD_FILE_PATH;
 	mINI::Instance()[kFileBufSize] = 64 * 1024;
+	mINI::Instance()[kFastStart] = false;
 	mINI::Instance()[kFileRepeat] = false;
 },nullptr);
 

src/Common/config.h

@@ -270,6 +270,8 @@ extern const string kFileSecond;
 extern const string kFilePath;
 //mp4文件写缓存大小
 extern const string kFileBufSize;
+//mp4录制完成后是否进行二次关键帧索引写入头部
+extern const string kFastStart;
 //mp4文件是否重头循环读取
 extern const string kFileRepeat;
 } //namespace Record

src/Http/HttpSession.cpp

@@ -584,6 +584,7 @@ void HttpSession::Handle_Req_GET(int64_t &content_len) {
         if (iRangeEnd == 0) {
             iRangeEnd = tFileStat.st_size - 1;
         }
+        auto httpHeader =  makeHttpHeader(bClose, iRangeEnd - iRangeStart + 1, get_mime_type(strFile.data()));
         const char *pcHttpResult = NULL;
         if (strRange.size() == 0) {
             //全部下载
@@ -592,9 +593,6 @@ void HttpSession::Handle_Req_GET(int64_t &content_len) {
             //分节下载
             pcHttpResult = "206 Partial Content";
             fseek(pFilePtr.get(), iRangeStart, SEEK_SET);
-        }
-        auto httpHeader =  makeHttpHeader(bClose, iRangeEnd - iRangeStart + 1, get_mime_type(strFile.data()));
-        if (strRange.size() != 0) {
             //分节下载返回Content-Range头
             httpHeader.emplace("Content-Range",StrPrinter<<"bytes " << iRangeStart << "-" << iRangeEnd << "/" << tFileStat.st_size<< endl);
         }

src/MediaFile/MP4Muxer.cpp

@@ -33,11 +33,11 @@
 namespace mediakit{
 
 #if defined(_WIN32) || defined(_WIN64)
-#define fseek64 _fseeki64
+    #define fseek64 _fseeki64
-#define ftell64 _ftelli64
+    #define ftell64 _ftelli64
 #else
-#define fseek64 fseek
+    #define fseek64 fseek
-#define ftell64 ftell
+    #define ftell64 ftell
 #endif
 
 void MP4MuxerBase::init(int flags) {
@@ -236,7 +236,9 @@ MP4MuxerFile::MP4MuxerFile(const char *file) {
         fclose(fp);
     });
 
-    init(MOV_FLAG_FASTSTART);
+    GET_CONFIG(bool, mp4FastStart, Record::kFastStart);
+
+    init(mp4FastStart ? MOV_FLAG_FASTSTART : 0);
 }
 
 MP4MuxerFile::~MP4MuxerFile() {
@@ -254,15 +256,6 @@ int MP4MuxerFile::onWrite(const void *data, uint64_t bytes) {
     return bytes == fwrite(data, 1, bytes, _file.get()) ? 0 : ferror(_file.get());
 }
 
-
-#if defined(_WIN32) || defined(_WIN64)
-    #define fseek64 _fseeki64
-    #define ftell64 _ftelli64
-#else
-    #define fseek64 fseek
-    #define ftell64 ftell
-#endif
-
 int MP4MuxerFile::onSeek(uint64_t offset) {
     return fseek64(_file.get(), offset, SEEK_SET);
 }