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sdrangel/plugins/channelrx/demoddatv/datvvideoplayer.h

127 lines
4.0 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
// written by Christian Daniel //
// Copyright (C) 2015-2019, 2021 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
// Copyright (C) 2015 John Greb <hexameron@spam.no> //
// Copyright (C) 2018 F4HKW //
// for F4EXB / SDRAngel //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef DATVVIDEOPLAYER_H
#define DATVVIDEOPLAYER_H
#include "leansdr/framework.h"
#include "datvideostream.h"
#include "datvudpstream.h"
namespace leansdr
{
template<typename T> struct datvvideoplayer: runnable
{
datvvideoplayer(
scheduler *sch,
pipebuf<T> &_in,
DATVideostream *videoStream,
DATVUDPStream *udpStream) :
runnable(sch, _in.name),
in(_in),
m_videoStream(videoStream),
m_udpStream(udpStream),
m_atomicUDPRunning(0)
{
}
void run()
{
int size = in.readable() * sizeof(T);
if (!size) {
return;
}
int nw;
m_udpStream->pushData((const char *) in.rd(), in.readable());
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
m_atomicUDPRunning.storeRelaxed(m_udpStream->isActive() && (size > 0) ? 1 : 0);
#else
m_atomicUDPRunning.store(m_udpStream->isActive() && (size > 0) ? 1 : 0);
#endif
if (m_videoStream)
{
nw = m_videoStream->pushData((const char *) in.rd(), size);
if (!nw)
{
fatal("leansdr::datvvideoplayer::run: pipe");
return;
}
if (nw < 0)
{
fatal("leansdr::datvvideoplayer::run: write");
return;
}
if (nw % sizeof(T))
{
fatal("leansdr::datvvideoplayer::run: partial write");
return;
}
if (nw != size) {
fprintf(stderr, "leansdr::datvvideoplayer::run: nw: %d size: %d\n", nw, size);
}
}
else
{
nw = size;
}
in.read(nw / sizeof(T));
}
bool isUDPRunning() const
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
return m_atomicUDPRunning.loadRelaxed() == 1;
#else
return m_atomicUDPRunning.load() == 1;
#endif
}
void resetUDPRunning()
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
m_atomicUDPRunning.storeRelaxed(0);
#else
m_atomicUDPRunning.store(0);
#endif
}
private:
pipereader<T> in;
DATVideostream *m_videoStream;
DATVUDPStream *m_udpStream;
QAtomicInt m_atomicUDPRunning;
};
}
#endif // DATVVIDEOPLAYER_H