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#include "qmpvisrendercore.hpp"
#include "qmppluginapistub.hpp"
#include "qmpsettingsro.hpp"
#include "qmpmidiplay.hpp"
#include "qmpcorepublic.hpp"
#include <cassert>
#include <dlfcn.h>
#include <QProcess>
#include <QDebug>
#include <QThread>
qmpVisRenderCore *qmpVisRenderCore::inst=nullptr;
qmpVisRenderCore::qmpVisRenderCore():QObject(nullptr)
{
inst=this;
player=new CMidiPlayer();
api=new qmpPluginAPIStub(this);
msettings=new qmpSettingsRO();
msettings->registerOptionEnumInt("MIDI","Text encoding","Midi/TextEncoding",{"Unicode","Big5","Big5-HKSCS","CP949","EUC-JP","EUC-KR","GB18030","KOI8-R","KOI8-U","Macintosh","Shift-JIS"},0);
}
void qmpVisRenderCore::loadVisualizationLibrary()
{
mp=dlopen("libvisualization.so",RTLD_LAZY);
if(!mp)fprintf(stderr,"failed to load visualization module!\n");
GetInterface_func getintf=reinterpret_cast<GetInterface_func>(dlsym(mp,"qmpPluginGetInterface"));
SwitchMode_func switchmode=reinterpret_cast<SwitchMode_func>(dlsym(mp,"switchToRenderMode"));
vf=nullptr;
vp=getintf(api);
switchmode(&qmpVisRenderCore::framefunc,false);
vp->init();
msettings->load("/home/chrisoft/.config/qmprc");
}
void qmpVisRenderCore::unloadVisualizationLibrary()
{
vp->deinit();
dlclose(mp);
}
void qmpVisRenderCore::setMIDIFile(const char *url)
{
player->playerLoadFile(url);
}
void qmpVisRenderCore::startRender()
{
assert(vf);
ffmpegproc=new QProcess();
ffmpegproc->setProgram("ffmpeg");
QStringList arguments;
arguments
<<"-f"<<"rawvideo"
<<"-pixel_format"<<"rgba"
<<"-video_size"<<"1600x900"
<<"-framerate"<<"60"
<<"-i"<<"pipe:";
arguments
<<"-vf"<<"vflip"
<<"-pix_fmt"<<"yuv420p"
<<"-c:v"<<"libx264"
<<"-preset"<<"fast"
<<"-crf"<<"22";
arguments<<"output.mp4";
ffmpegproc->setArguments(arguments);
ffmpegproc->start();
connect(ffmpegproc,QOverload<int,QProcess::ExitStatus>::of(&QProcess::finished),
[this](int x,QProcess::ExitStatus){qDebug("%d",x);qDebug()<<this->ffmpegproc->readAllStandardError();});
vf->show();
startcb(nullptr,nullptr);
}
void qmpVisRenderCore::framefunc(void *px, size_t sz)
{
if(sz)
{
inst->ffmpegproc->write((const char*)px,sz);
while(inst->ffmpegproc->bytesToWrite()>1<<26)
{
inst->ffmpegproc->waitForBytesWritten();
QThread::yieldCurrentThread();
}
}
else
inst->ffmpegproc->closeWriteChannel();
}
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