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

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#include "XVideoThread.h"

#include "XDecode.h"
#include <iostream>
using namespace std;

XVideoThread::XVideoThread()
{

}

XVideoThread::~XVideoThread()
{

}

bool XVideoThread::Open(AVCodecParameters *para, IVideoCall *call, int width, int height)
{
    if(!para)
        return false;

    Clear();

    vmux.lock();
    synpts = 0;

    // 初始化显示窗口
    this->call = call;
    if(call)
    {
        call->Init(width, height);
    }

    vmux.unlock();

    bool ret = true;
    if(!decode->Open(para))
    {
        cout << "audio XDecode open failed !" << endl;
        ret = false;
    }

    cout << "XAudioThread::Open = " << ret << endl;
    return ret;
}

void XVideoThread::run()
{
    while(!isExit)
    {
        vmux.lock();
        if(this->isPause)
        {
            vmux.unlock();
            msleep(5);
            continue;
        }

        // 音视频同步
        if(synpts > 0 && synpts < decode->pts)
        {
            vmux.unlock();
            msleep(1);
            continue;
        }

        //        // 没有数据
        //        if(packs.empty() || !decode)
        //        {
        //            vmux.unlock();
        //            msleep(1);
        //            continue;
        //        }

        //        AVPacket *pkt = packs.front();
        //        packs.pop_front();
        AVPacket *pkt = Pop();
        bool ret = decode->Send(pkt);
        if(!ret)
        {
            vmux.unlock();
            msleep(1);
            continue;
        }

        // 一次send 多次recv
        while(!isExit)
        {
            AVFrame *frame = decode->Recv();
            if(!frame)
                break;

            // 显示视频
            if(call)
            {
                call->Repaint(frame);
            }

        }
        vmux.unlock();
    }
}

bool XVideoThread::RepaintPts(AVPacket *pkt, long long seekpts)
{
    vmux.lock();
    bool ret = decode->Send(pkt);
    if(!ret)
    {
        vmux.unlock();
        return true;
    }
    AVFrame *frame = decode->Recv();
    if(!frame)
    {
        vmux.unlock();
        return false;
    }
    // 到达位置
    if(decode->pts >= seekpts)
    {
        if(call)
            call->Repaint(frame);
        vmux.unlock();
        return true;
    }

    XFreeFrame(&frame);

    vmux.unlock();
    return false;
}

void XVideoThread::SetPause(bool isPause)
{
    vmux.lock();
    this->isPause = isPause;
    vmux.unlock();
}