QDomElement LayerCamera::createDomElement( QDomDocument& doc )
{
QDomElement layerTag = doc.createElement("layer");
layerTag.setAttribute("name", mName);
layerTag.setAttribute("visibility", visible);
layerTag.setAttribute("type", type());
layerTag.setAttribute("width", viewRect.width());
layerTag.setAttribute("height", viewRect.height());
foreachKeyFrame( [&]( KeyFrame* pKeyFrame )
{
Camera* camera = static_cast< Camera* >( pKeyFrame );
QDomElement keyTag = doc.createElement("camera");
keyTag.setAttribute( "frame", camera->pos() );
keyTag.setAttribute( "m11", camera->view.m11() );
keyTag.setAttribute( "m12", camera->view.m12() );
keyTag.setAttribute( "m21", camera->view.m21() );
keyTag.setAttribute( "m22", camera->view.m22() );
keyTag.setAttribute( "dx", camera->view.dx() );
keyTag.setAttribute( "dy", camera->view.dy() );
layerTag.appendChild( keyTag );
} );
return layerTag;
}
void LayerVector::removeColour( int colorIndex )
{
foreachKeyFrame( [=]( KeyFrame* pKeyFrame )
{
auto pVecImage = static_cast< VectorImage* >( pKeyFrame );
pVecImage->removeColour( colorIndex );
} );
}
bool LayerVector::usesColour(int colorIndex)
{
bool bUseColor = false;
foreachKeyFrame( [&] ( KeyFrame* pKeyFrame )
{
auto pVecImage = static_cast< VectorImage* >( pKeyFrame );
bUseColor = bUseColor || pVecImage->usesColour( colorIndex );
} );
return bUseColor;
}
QDomElement LayerVector::createDomElement(QDomDocument& doc)
{
QDomElement layerTag = doc.createElement("layer");
layerTag.setAttribute( "id", id() );
layerTag.setAttribute( "name", mName );
layerTag.setAttribute( "visibility", mVisible );
layerTag.setAttribute( "type", type() );
foreachKeyFrame( [&] ( KeyFrame* pKeyFrame )
{
VectorImage* pImg = static_cast< VectorImage* >( pKeyFrame );
//QDomElement imageTag = framesVector[index]->createDomElement(doc); // if we want to embed the data
QDomElement imageTag = doc.createElement( "image" );
imageTag.setAttribute( "frame", pKeyFrame->pos() );
imageTag.setAttribute( "src", fileName( pKeyFrame->pos() ) );
layerTag.appendChild( imageTag );
} );
return layerTag;
}
QDomElement LayerSound::createDomElement( QDomDocument& doc )
{
QDomElement layerTag = doc.createElement( "layer" );
layerTag.setAttribute( "id", id() );
layerTag.setAttribute( "name", name() );
layerTag.setAttribute( "visibility", visible() );
layerTag.setAttribute( "type", type() );
foreachKeyFrame( [ &doc, &layerTag ]( KeyFrame* pKeyFrame )
{
QDomElement imageTag = doc.createElement( "sound" );
imageTag.setAttribute( "frame", pKeyFrame->pos() );
QFileInfo info( pKeyFrame->fileName() );
qDebug() << "Save=" << info.fileName();
imageTag.setAttribute( "src", info.fileName() );
layerTag.appendChild( imageTag );
} );
return layerTag;
}
// added parameter exportFps -> frame rate of exported video
// added parameter exportFormat -> to set ffmpeg parameters
bool Object::exportMovie( ExportMovieParameters parameters )
{
int startFrame = parameters.startFrame;
int endFrame = parameters.endFrame;
QTransform view = parameters.view;
Layer* currentLayer = parameters.currentLayer;
QSize exportSize = parameters.exportSize;
QString filePath = parameters.filePath;
int fps = parameters.fps;
int exportFps = parameters.exportFps;
QString exportFormat = parameters.exportFormat;
if(!filePath.endsWith(".avi", Qt::CaseInsensitive))
{
filePath = filePath + ".avi";
}
// additional parameters for ffmpeg
QString ffmpegParameter = "";
if(filePath.endsWith(".avi", Qt::CaseInsensitive))
{ffmpegParameter = " -vcodec msmpeg4 ";}
if(filePath.endsWith(".mov", Qt::CaseInsensitive))
{ffmpegParameter = "";}
if(filePath.endsWith(".mp4", Qt::CaseInsensitive))
{ffmpegParameter = "";}
qDebug() << "-------VIDEO------";
// --------- Export all the temporary frames ----------
QDir::temp().mkdir("pencil");
QString tempPath = QDir::temp().absolutePath()+"/pencil/";
QProgressDialog progress("Exporting movie...", "Abort", 0, 100, NULL);
progress.setWindowModality(Qt::WindowModal);
progress.show();
QDir dir2(filePath);
if (QFile::exists(filePath) == true) { dir2.remove(filePath); }
const char* format = "png";
ExportFrames1Parameters par;
par.frameStart = startFrame;
par.frameEnd = endFrame;
par.view = view;
par.currentLayer = currentLayer;
par.exportSize = exportSize;
par.filePath = tempPath + "tmp";
par.format = format;
par.quality = 100;
par.background = true;
par.antialiasing = true;
par.progress = &progress;
par.progressMax = 50;
par.fps = fps;
par.exportFps = exportFps;
exportFrames1( par );
// --------- Quicktime assemble call ----------
QDir sampledir;
qDebug() << "testmic:" << sampledir.filePath(filePath);
QProcess ffmpeg;
qDebug() << "Trying to export VIDEO";
quint32 audioDataSize = 44100*2*2*(endFrame-1)/fps;
qint16* audioData =(qint16*) malloc(audioDataSize);
for (uint i = 0; i < audioDataSize/2; i++ ) audioData[i] = 0;
quint16 header1[22];
bool audioDataValid = false;
for(int i = 0; i < this->getLayerCount() ; i++)
{
Layer* layer = this->getLayer(i);
if(layer->type() == Layer::SOUND)
{
auto pSoundLayer = static_cast< LayerSound* >( layer );
pSoundLayer->foreachKeyFrame( [&] ( KeyFrame* key )
{
int l = 0; // FIXME: export sound
// convert audio file: 44100Hz sampling rate, stereo, signed 16 bit little endian
// supported audio file types: wav, mp3, ogg... ( all file types supported by ffmpeg )
qDebug() << "ffmpeg -i \"" + ((LayerSound*)layer)->getSoundFilepathAt(l) + "\" -ar 44100 -acodec pcm_s16le -ac 2 -y \"" + tempPath + "tmpaudio0.wav\"";
ffmpeg.start("ffmpeg -i \"" + ((LayerSound*)layer)->getSoundFilepathAt(l) + "\" -ar 44100 -acodec pcm_s16le -ac 2 -y \"" + tempPath + "tmpaudio0.wav\"");
if (ffmpeg.waitForStarted() == true)
{
if (ffmpeg.waitForFinished() == true)
{
QByteArray sErr = ffmpeg.readAllStandardError();
if (sErr == "")
{
qDebug() << "ERROR: Could not execute FFmpeg.";
}
else
{
qDebug() << "stdout: " << ffmpeg.readAllStandardOutput();
qDebug() << "stderr: " << sErr;
qDebug() << "AUDIO conversion done. ( file: " << ((LayerSound*)layer)->getSoundFilepathAt(l) << ")";
}
}
else
{
qDebug() << "ERROR: FFmpeg did not finish executing.";
}
}
else
{
qDebug() << "ERROR: Could not execute FFmpeg.";
}
int frame = key->pos() - 1;
float fframe = (float)frame/(float)fps;
QFile file(tempPath+"tmpaudio0.wav");
qDebug() << "audio file " + tempPath+"tmpaudio0.wav";
file.open(QIODevice::ReadOnly);
file.read((char*)header1,sizeof(header1));
quint32 audioSize = header1[21];
audioSize = audioSize * 65536 + header1[20];
qDebug() << "audio len " << audioSize;
// before calling malloc should check: audioSize < max credible value
qint16* data = (qint16*) malloc(audioSize);
file.read((char*)data,audioSize);
audioDataValid = true;
int delta = fframe*44100*2;
qDebug() << "audio delta " << delta;
int indexMax = MIN(audioSize/2,audioDataSize/2-delta);
// audio files 'mixing': 'higher' sound layers overwrite 'lower' sound layers
for (int index = 0; index < indexMax; index++)
{
audioData[index+delta] = safeSum(audioData[index+delta],data[index]);
}
free(data);
file.close();
} );
}
}
if ( audioDataValid )
{
// save mixed audio file ( will be used as audio stream )
QFile file(tempPath+"tmpaudio.wav");
file.open(QIODevice::WriteOnly);
header1[20] = audioDataSize % 65536;
header1[21] = audioDataSize / 65536;
file.write((char*)header1,sizeof(header1));
file.write((char*)audioData,audioDataSize);
file.close();
}
// video input: frame sequence ( -i tmp%03d.png )
// frame rate ( -r fps )
// audio input: ( -i tmpaudio.wav )
// movie output: ( filePath )
// frame rate ( -r 25 )
if ( audioDataValid )
{
qDebug() << "ffmpeg -r " + QString::number(exportFps) + " -i " + tempPath + "tmp%4d.png -i " + tempPath + "tmpaudio.wav -r " + QString::number(exportFps) + " -y " + ffmpegParameter + "\"" + filePath + "\"";
ffmpeg.start("ffmpeg -r " + QString::number(exportFps) + " -i " + tempPath + "tmp%4d.png -i " + tempPath + "tmpaudio.wav -r " + QString::number(exportFps) + " -y " + ffmpegParameter + "\"" + filePath + "\"");
}
else
{
qDebug() << "ffmpeg -r " + QString::number(exportFps) + " -i " + tempPath + "tmp%4d.png -r " + QString::number(exportFps) + " -y " + ffmpegParameter + "\"" + filePath + "\"";
ffmpeg.start("ffmpeg -r " + QString::number(exportFps) + " -i " + tempPath + "tmp%4d.png -r " + QString::number(exportFps) + " -y " + ffmpegParameter + "\"" + filePath + "\"");
}
if (ffmpeg.waitForStarted() == true)
{
if (ffmpeg.waitForFinished() == true)
{
QByteArray sErr = ffmpeg.readAllStandardError();
if (sErr == "")
{
qDebug() << "ERROR: Could not execute FFmpeg.";
}
else
{
qDebug() << "stdout: " << ffmpeg.readAllStandardOutput();
qDebug() << "stderr: " << sErr;
qDebug() << "dbg:" << QDir::current().currentPath() +"/plugins/";
qDebug() << ":" << tempPath + "tmp%03d.png";
qDebug() << ":\"" + filePath + "\"";
qDebug() << "VIDEO export done.";
}
}
else
{
qDebug() << "ERROR: FFmpeg did not finish executing.";
}
}
else
{
qDebug() << "Please install FFMPEG: sudo apt-get install ffmpeg";
}
progress.setValue(100);
free(audioData);
// --------- Clean up temp directory ---------
QDir dir(tempPath);
QStringList filtername("*.*");
QStringList entries = dir.entryList(filtername,QDir::Files,QDir::Type);
for(int i=0; i<entries.size(); i++)
dir.remove(entries[i]);
qDebug() << "-----";
return true;
}
