QTfrontend/net/recorder.cpp
author nemo
Thu, 30 Aug 2012 22:13:42 -0400
changeset 7633 d4251e519062
parent 7507 3032a5739fe1
child 7794 ab7b94c03bc9
permissions -rw-r--r--
Allow adjusting bitrate so that I can get a somewhat usable webm video. The audio is still tinny and unlistenable. Configuration option for that might be helpful, or just adjusting defaults in the wrapper.
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/*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2004-2012 Andrey Korotaev <unC0Rr@gmail.com>
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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; version 2 of the License
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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 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, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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 */
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#include <QString>
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#include <QByteArray>
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//#include <QMessageBox>
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#include "recorder.h"
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#include "gameuiconfig.h"
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#include "hwconsts.h"
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#include "game.h"
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#include "libav_iteraction.h"
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// Encoding is memory expensive process, so we need to limit maximum number
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// of simultaneous encoders.
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static const int maxRecorders = 3;
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static int numRecorders = 0;
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static QList<HWRecorder*> queue;
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HWRecorder::HWRecorder(GameUIConfig * config, const QString &prefix) :
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    TCPBase(false)
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{
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    this->config = config;
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    this->prefix = prefix;
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    finished = false;
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    name = prefix + "." + LibavIteraction::instance().getExtension(config->AVFormat());
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}
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HWRecorder::~HWRecorder()
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{
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    emit encodingFinished(finished);
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    if (queue.empty())
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        numRecorders--;
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    else
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        queue.takeFirst()->Start();
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}
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void HWRecorder::onClientDisconnect()
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{
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}
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void HWRecorder::onClientRead()
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{
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    quint8 msglen;
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    quint32 bufsize;
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    while (!readbuffer.isEmpty() && ((bufsize = readbuffer.size()) > 0) &&
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            ((msglen = readbuffer.data()[0]) < bufsize))
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    {
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        QByteArray msg = readbuffer.left(msglen + 1);
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        readbuffer.remove(0, msglen + 1);
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        switch (msg.at(1))
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        {
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        case '?':
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            SendIPC("!");
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            break;
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        case 'p':
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            emit onProgress((quint8(msg.at(2))*256.0 + quint8(msg.at(3)))*0.0001);
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            break;
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        case 'v':
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            finished = true;
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            break;
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        }
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    }
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}
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void HWRecorder::EncodeVideo(const QByteArray & record)
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{
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    toSendBuf = record;
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    toSendBuf.replace(QByteArray("\x02TD"), QByteArray("\x02TV"));
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    toSendBuf.replace(QByteArray("\x02TL"), QByteArray("\x02TV"));
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    toSendBuf.replace(QByteArray("\x02TN"), QByteArray("\x02TV"));
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    toSendBuf.replace(QByteArray("\x02TS"), QByteArray("\x02TV"));
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    if (numRecorders < maxRecorders)
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    {
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        numRecorders++;
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        Start(); // run engine
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    }
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    else
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        queue.push_back(this);
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}
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QStringList HWRecorder::getArguments()
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{
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    QStringList arguments;
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    QRect resolution = config->rec_Resolution();
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    arguments << cfgdir->absolutePath();
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    arguments << QString::number(resolution.width());
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    arguments << QString::number(resolution.height());
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    arguments << "32"; // bpp
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    arguments << QString("%1").arg(ipc_port);
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    arguments << "0"; // fullscreen
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    arguments << "0"; // sound
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    arguments << "0"; // music
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    arguments << "0"; // sound volume
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    arguments << QString::number(config->timerInterval());
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    arguments << datadir->absolutePath();
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    arguments << (config->isShowFPSEnabled() ? "1" : "0");
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    arguments << (config->isAltDamageEnabled() ? "1" : "0");
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    arguments << config->netNick().toUtf8().toBase64();
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    arguments << QString::number(config->translateQuality());
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    arguments << QString::number(config->stereoMode());
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    arguments << HWGame::tr("en.txt");
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    arguments << QString::number(config->rec_Framerate()); // framerate numerator
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    arguments << "1";  // framerate denominator
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    arguments << prefix;
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    arguments << config->AVFormat();
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    arguments << config->videoCodec();
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// Could use a field to use quality instead. maybe quality could override bitrate - or just pass (and set) both. 
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// The library does support using both at once after all.
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    arguments << QString::number(config->rec_Bitrate()*1024);
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    arguments << (config->recordAudio()? config->audioCodec() : "no");
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    return arguments;
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}