VideoPlayer/XDecodeThread.cpp at main · LGH2713/VideoPlayer · GitHub

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#include "XDecodeThread.h"
#include "XDecode.h"

XDecodeThread::XDecodeThread()
{
    // 打开解码器
    if(!decode) decode = new XDecode();
}

XDecodeThread::~XDecodeThread()
{
    // 等待线程退出
    isExit = true;
    wait();
}

void XDecodeThread::Push(AVPacket *pkt)
{
    if(!pkt)
        return;

    while(!isExit)
    {
        mux.lock();
        if(packs.size() < maxList)
        {
            packs.push_back(pkt);
            mux.unlock();
            break;
        }
        mux.unlock();
        msleep(1);
    }
}

AVPacket *XDecodeThread::Pop()
{
    mux.lock();
    if(packs.empty())
    {
        mux.unlock();
        return nullptr;
    }

    AVPacket *pkt = packs.front();
    packs.pop_front();
    mux.unlock();
    return pkt;
}

void XDecodeThread::Clear()
{
    mux.lock();
    decode->Clear();
    while(!packs.empty())
    {
        AVPacket *pkt = packs.front();
        XFreePacket(&pkt);
        packs.pop_front();
    }
    mux.unlock();
}

void XDecodeThread::Close()
{
    Clear();

    // 等待线程退出
    isExit = true;
    wait();
    decode->Close();
    mux.lock();
    delete decode;
    decode = nullptr;
    mux.unlock();
}