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wang-bin
92 lines
3.2 KiB
C++
92 lines
3.2 KiB
C++
/******************************************************************************
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Simple Transcode: this file is part of QtAV examples
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Copyright (C) 2012-2015 Wang Bin <wbsecg1@gmail.com>
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* This file is part of QtAV
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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 <QApplication>
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#include <QtCore/QDir>
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#include <QtAV>
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#include <QtAV/AVTranscoder.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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QApplication a(argc, argv);
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qDebug("QtAV simpletranscode");
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qDebug("./simpletranscode -i infile -o outfile [-c:v video_codec (default: libx264)] [-f format]");
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qDebug() << "examples:\n"
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<< "./simpletranscode -i test.mp4 -o /tmp/test-%05d.png -f image2 -c:v png\n"
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<< "./simpletranscode -i test.mp4 -o /tmp/bbb%04d.ts -f segment\n"
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<< "./simpletranscode -i test.mp4 -o /tmp/test.mkv\n"
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;
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if (a.arguments().contains("-h")) {
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return 0;
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}
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QString file = "test.avi";
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int idx = a.arguments().indexOf("-i");
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if (idx > 0)
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file = a.arguments().at(idx + 1);
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QString outFile("/tmp/out.mp4");
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idx = a.arguments().indexOf("-o");
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if (idx > 0)
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outFile = a.arguments().at(idx + 1);
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QDir().mkpath(outFile.left(outFile.lastIndexOf('/')+1));
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QString cv("libx264");
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idx = a.arguments().indexOf("-c:v");
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if (idx > 0)
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cv = a.arguments().at(idx + 1);
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QString fmt;
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idx = a.arguments().indexOf("-f");
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if (idx > 0)
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fmt = a.arguments().at(idx + 1);
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QVariantHash muxopt, avfopt;
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avfopt["segment_time"] = 4;
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avfopt["segment_list_size"] = 0;
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avfopt["segment_list"] = outFile.left(outFile.lastIndexOf('/')+1) + "index.m3u8";// "//Users/wangbin/Movies/m3u8/bbb.m3u8";
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avfopt["segment_format"] = "mpegts";
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muxopt["avformat"] = avfopt;
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AVPlayer player;
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player.setFile(file);
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player.setFrameRate(1000.0); // as fast as possible
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player.audio()->setMute(true);
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AVTranscoder avt;
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avt.setMediaSource(&player);
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avt.setOutputMedia(outFile);
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avt.setOutputOptions(muxopt);
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if (!fmt.isEmpty())
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avt.setOutputFormat(fmt); // segment, image2
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if (!avt.createVideoEncoder()) {
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qWarning("Failed to create video encoder");
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return 1;
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}
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VideoEncoder *venc = avt.videoEncoder();
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venc->setCodecName(cv); // "png"
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venc->setBitRate(1024*1024);
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if (fmt == "image2")
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venc->setPixelFormat(VideoFormat::Format_RGBA32);
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QObject::connect(&avt, SIGNAL(stopped()), qApp, SLOT(quit()));
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avt.start(); //start transcoder first
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player.play();
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return a.exec();
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}
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