修复一些mp4点播不支持的问题

media-server @ 24519a59

-Subproject commit 97cf5e47a5af1ff3d4d187f3ebffd9254595df75
+Subproject commit 24519a594c2c634b21fbe09fad28d54c4eba0885

src/Record/MP4Demuxer.cpp

@@ -142,7 +142,9 @@ struct Context{
     BufferRaw::Ptr buffer;
 };
 
-Frame::Ptr MP4Demuxer::readFrame(bool &keyFrame) {
+Frame::Ptr MP4Demuxer::readFrame(bool &keyFrame, bool &eof) {
+    keyFrame = false;
+    eof = false;
     static mov_reader_onread mov_reader_onread = [](void *param, uint32_t track_id, const void *buffer, size_t bytes, int64_t pts, int64_t dts, int flags) {
         Context *ctx = (Context *) param;
         ctx->pts = pts;
@@ -162,17 +164,21 @@ Frame::Ptr MP4Demuxer::readFrame(bool &keyFrame) {
     Context ctx = {this, 0};
     auto ret = mov_reader_read2(_mov_reader.get(), mov_onalloc, mov_reader_onread, &ctx);
     switch (ret) {
-        case 0 :
+        case 0 : {
+            eof = true;
             return nullptr;
+        }
 
         case 1 : {
             keyFrame = ctx.flags & MOV_AV_FLAG_KEYFREAME;
             return makeFrame(ctx.track_id, ctx.buffer, ctx.pts, ctx.dts);
         }
 
-        default:
+        default : {
+            eof = true;
             WarnL << "读取mp4文件数据失败:" << ret;
             return nullptr;
+        }
     }
 }
 

src/Record/MP4Demuxer.h

@@ -22,7 +22,7 @@ public:
     MP4Demuxer(const char *file);
     ~MP4Demuxer() override;
     int64_t seekTo(int64_t stamp_ms);
-    Frame::Ptr readFrame(bool &keyFrame);
+    Frame::Ptr readFrame(bool &keyFrame, bool &eof);
     vector<Track::Ptr> getTracks(bool trackReady) const override ;
     uint64_t getDurationMS() const;
 private:

src/Record/MP4Reader.cpp

@@ -48,11 +48,10 @@ MP4Reader::MP4Reader(const string &strVhost,const string &strApp, const string &
 bool MP4Reader::readSample() {
     bool keyFrame = false;
     bool eof = false;
-    while (true) {
-        auto frame = _demuxer->readFrame(keyFrame);
+    while (!eof) {
+        auto frame = _demuxer->readFrame(keyFrame, eof);
         if (!frame) {
-            eof = true;
-            break;
+            continue;
         }
         _mediaMuxer->inputFrame(frame);
         if (frame->dts() > getCurrentStamp()) {
@@ -122,11 +121,12 @@ bool MP4Reader::seekTo(uint32_t ui32Stamp){
     }
     //搜索到下一帧关键帧
     bool keyFrame = false;
-    while (true) {
-        auto frame = _demuxer->readFrame(keyFrame);
+    bool eof = false;
+    while (!eof) {
+        auto frame = _demuxer->readFrame(keyFrame, eof);
         if(!frame){
             //文件读完了都未找到下一帧关键帧
-            return false;
+            continue;
         }
         if(keyFrame || frame->keyFrame() || frame->configFrame()){
             //定位到key帧
@@ -136,6 +136,7 @@ bool MP4Reader::seekTo(uint32_t ui32Stamp){
             return true;
         }
     }
+    return false;
 }
 
 bool MP4Reader::close(MediaSource &sender,bool force){