video analysis2.0拆分,ffmpeg封装go接口库
554325746@qq.com
2020-03-10 278634c0d2eeba9e3fcc3b4cd56ddfb3323277d7
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#include "CodedData.hpp"
 
 
namespace ffwrapper{
    CodedData::CodedData()
    :extradata_(NULL)
    ,extradata_size_(0)
    {
        init_packet();
    }
 
    CodedData::~CodedData()
    {
        free_packet();
    }
 
    AVPacket& CodedData::newAVPacket(){
        free_packet();
        init_packet();
 
        return packet_;
    }
 
 
    void CodedData::init_packet(){
        av_init_packet(&packet_);
        initialize();
    }
 
    void CodedData::free_packet(){
        if(packet_.data && packet_.size){
            av_free_packet(&packet_);
        }
 
        initialize();
    }
 
    void CodedData::initialize(){
        packet_.data = NULL;
        packet_.size = 0;
 
        extradata_ = NULL;
        extradata_size_ = 0;
    }
}