kopia lustrzana https://github.com/f4exb/sdrangel
104 wiersze
3.3 KiB
C++
104 wiersze
3.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2018 F4HKW //
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// for F4EXB / SDRAngel //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef DATVVIDEOPLAYER_H
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#define DATVVIDEOPLAYER_H
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#include "leansdr/framework.h"
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#include "datvideostream.h"
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#include "datvudpstream.h"
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namespace leansdr
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{
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template<typename T> struct datvvideoplayer: runnable
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{
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datvvideoplayer(
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scheduler *sch,
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pipebuf<T> &_in,
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DATVideostream *videoStream,
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DATVUDPStream *udpStream) :
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runnable(sch, _in.name),
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in(_in),
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m_videoStream(videoStream),
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m_udpStream(udpStream),
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m_atomicUDPRunning(0)
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{
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}
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void run()
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{
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int size = in.readable() * sizeof(T);
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if (!size) {
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return;
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}
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int nw;
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m_udpStream->pushData((const char *) in.rd(), in.readable());
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m_atomicUDPRunning.storeRelaxed(m_udpStream->isActive() && (size > 0) ? 1 : 0);
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if (m_videoStream)
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{
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nw = m_videoStream->pushData((const char *) in.rd(), size);
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if (!nw)
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{
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fatal("leansdr::datvvideoplayer::run: pipe");
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return;
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}
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if (nw < 0)
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{
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fatal("leansdr::datvvideoplayer::run: write");
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return;
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}
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if (nw % sizeof(T))
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{
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fatal("leansdr::datvvideoplayer::run: partial write");
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return;
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}
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if (nw != size) {
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fprintf(stderr, "leansdr::datvvideoplayer::run: nw: %d size: %d\n", nw, size);
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}
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}
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else
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{
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nw = size;
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}
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in.read(nw / sizeof(T));
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}
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bool isUDPRunning() const { return m_atomicUDPRunning.loadRelaxed() == 1; }
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void resetUDPRunning() { m_atomicUDPRunning.storeRelaxed(0); }
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private:
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pipereader<T> in;
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DATVideostream *m_videoStream;
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DATVUDPStream *m_udpStream;
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QAtomicInt m_atomicUDPRunning;
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};
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}
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#endif // DATVVIDEOPLAYER_H
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