copy of an AVPacket structure

a copy of an AVPacket structure

参考：https://stackoverflow.com/questions/12929330/create-a-copy-of-an-avpacket-structure

ok：

  

   

    

     

    
    

     

      AVPacket newPacket(oldPacket);
     
    
   

    

     

    
    

     

      newPacket->data = reinterpret_cast<uint8_t*>(new uint64_t[(oldPacket->size + FF_INPUT_BUFFER_PADDING_SIZE)/sizeof(uint64_t) + 1]);
     
    
   

    

     

    
    

     

      memcpy(newPacket->data, oldPacket->data, oldPacket->size);
     
    
  
 

  

   

    

     

    
    

     

       AVPacket *newpacket = (AVPacket*)malloc(sizeof(struct AVPacket));
     
    
   

    

     

    
    

     

       av_init_packet(newpacket);
     
    
   

    

     

    
    

     

       av_packet_ref(newpacket, packet);
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

       av_packet_unref(packet);
     
    
   

    

     

    
    

     

       free(packet);
     
    
   

    

     

    
    

     

       packet = nil;
     
    
  
 

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原文链接：blog.csdn.net/jacke121/article/details/88397048