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wang-bin
60 lines
2.1 KiB
C++
60 lines
2.1 KiB
C++
/******************************************************************************
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framereader: this file is part of QtAV examples
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Copyright (C) 2012-2016 Wang Bin <wbsecg1@gmail.com>
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* This file is part of QtAV (from 2016)
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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, either version 3 of the License, or
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(at your option) any later version.
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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 for more details.
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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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#include <cstdio>
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#include <cstdlib>
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#include <QtCore/QCoreApplication>
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#include <QtCore/QDateTime>
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#include <QtCore/QQueue>
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#include <QtCore/QStringList>
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#include <QtAV/FrameReader.h>
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using namespace QtAV;
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int main(int argc, char *argv[])
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{
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QCoreApplication a(argc, argv);
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FrameReader r;
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r.setMedia(a.arguments().last());
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QQueue<qint64> t;
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int count = 0;
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qint64 t0 = QDateTime::currentMSecsSinceEpoch();
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while (r.readMore()) {
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while (r.hasEnoughVideoFrames()) {
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const VideoFrame f = r.getVideoFrame(); //TODO: if eof
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if (!f)
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continue;
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count++;
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//r.readMore();
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const qint64 now = QDateTime::currentMSecsSinceEpoch();
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const qint64 dt = now - t0;
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t.enqueue(now);
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printf("decode @%.3f count: %d, elapsed: %lld, fps: %.1f/%.1f\r", f.timestamp(), count, dt, count*1000.0/dt, t.size()*1000.0/(now - t.first()));fflush(0);
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if (t.size() > 10)
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t.dequeue();
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}
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}
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while (r.hasVideoFrame()) {
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const VideoFrame f = r.getVideoFrame();
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qDebug("pts: %.3f", f.timestamp());
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}
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qDebug("read done");
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return 0;
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}
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