Media.cpp 6.76 KB
Newer Older
1
/*****************``************************************************************
2
 * Media.cpp: Represents a basic container for media informations.
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
 *****************************************************************************
 * Copyright (C) 2008-2009 the VLMC team
 *
 * Authors: Hugo Beauzee-Luyssen <hugo@vlmc.org>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/

23
/** \file
24
  * This file contains the Media class implementation.
25 26 27 28
  * It contains a VLCMedia and the meta-datas.
  * It's used by the Library
  */

29
#include <QtDebug>
30
#include <QUrl>
31
#include "Media.h"
32
#include "MetaDataManager.h"
33

34
QPixmap*        Media::defaultSnapshot = NULL;
Ludovic Fauvet's avatar
Ludovic Fauvet committed
35
const QString   Media::VideoExtensions = "*.mov *.avi *.mkv *.mpg *.mpeg *.wmv *.mp4 *.ogg *.ogv";
36
const QString   Media::ImageExtensions = "*.gif *.png *.jpg *.jpeg";
37
const QString   Media::AudioExtensions = "*.mp3 *.oga *.flac *.aac *.wav";
38
const QString   Media::streamPrefix = "stream://";
39

40
Media::Media( const QString& filePath, const QString& uuid /*= QString()*/ )
41 42 43
    : m_vlcMedia( NULL ),
    m_snapshot( NULL ),
    m_fileInfo( NULL ),
44
    m_lengthMS( 0 ),
45
    m_nbFrames( 0 ),
46
    m_width( 0 ),
47
    m_height( 0 ),
48
    m_fps( .0f ),
49
    m_baseClip( NULL )
50
{
51 52 53 54
    if ( uuid.length() == 0 )
        m_uuid = QUuid::createUuid();
    else
        m_uuid = QUuid( uuid );
55 56 57 58 59

    if ( filePath.startsWith( Media::streamPrefix ) == false )
    {
        m_inputType = Media::File;
        m_fileInfo = new QFileInfo( filePath );
60
        m_fileName = m_fileInfo->fileName();
61 62
        setFileType();
        if ( m_fileType == Media::Video || m_fileType == Media::Audio )
63 64
            m_mrl = "file:///" + QUrl::toPercentEncoding( m_fileInfo->absoluteFilePath(),
                                                          "/" );
65
        else
66 67
            m_mrl = "fake:///" + QUrl::toPercentEncoding( m_fileInfo->absoluteFilePath(),
                                                          "/" );
68
    }
69
    else
70 71 72
    {
        m_inputType = Media::Stream;
        m_mrl = filePath.right( filePath.length() - streamPrefix.length() );
73 74
        //FIXME:
        m_fileType = Media::Video;
75 76
        m_fileName = m_mrl;
        qDebug() << "Loading a stream";
77
    }
78
    m_audioValueList = new QList<int>();
79
    m_vlcMedia = new LibVLCpp::Media( m_mrl );
80 81
}

82
Media::~Media()
83 84 85
{
    if ( m_vlcMedia )
        delete m_vlcMedia;
86 87
    if ( m_snapshot )
        delete m_snapshot;
88 89
    if ( m_fileInfo )
        delete m_fileInfo;
90 91
}

92 93
void        Media::setFileType()
{
94
    QString filter = "*." + m_fileInfo->suffix().toLower();
95 96 97 98 99 100 101 102 103 104
    if ( Media::VideoExtensions.contains( filter ) )
        m_fileType = Media::Video;
    else if ( Media::AudioExtensions.contains( filter ) )
        m_fileType = Media::Audio;
    else if ( Media::ImageExtensions.contains( filter ) )
        m_fileType = Media::Image;
    else
        qDebug() << "What the hell is this extension ? And how did you loaded it ?!";
}

105
void        Media::flushVolatileParameters()
106
{
107 108 109 110 111 112 113 114 115 116 117 118
    QString     defaultValue;
    foreach ( defaultValue, m_volatileParameters )
    {
        m_vlcMedia->addOption( defaultValue.toStdString().c_str() );
    }
    m_volatileParameters.clear();
}

void        Media::addVolatileParam( const QString& param, const QString& defaultValue )
{
    m_vlcMedia->addOption( param.toStdString().c_str() );
    m_volatileParameters.append( defaultValue );
119 120
}

121
void        Media::addConstantParam( const QString& param )
122
{
123
    m_vlcMedia->addOption( param.toStdString().c_str() );
124 125
}

126
void        Media::setSnapshot( QPixmap* snapshot )
127
{
128 129
    if ( m_snapshot != NULL )
        delete m_snapshot;
130 131 132
    m_snapshot = snapshot;
}

133
const QPixmap&    Media::getSnapshot() const
134
{
135
    if ( m_snapshot != NULL )
136
        return *m_snapshot;
137 138 139
    if ( Media::defaultSnapshot == NULL )
        Media::defaultSnapshot = new QPixmap( ":/images/images/vlmc.png" );
    return *Media::defaultSnapshot;
140
}
141

142
const QUuid&        Media::getUuid() const
143 144 145
{
    return m_uuid;
}
146

147
const QFileInfo*    Media::getFileInfo() const
148 149 150 151
{
    return m_fileInfo;
}

152
void                Media::setLength( qint64 length )
153
{
154
    m_lengthMS = length;
155 156
}

157
qint64              Media::getLengthMS() const
158
{
159
    return m_lengthMS;
160 161
}

162
int                 Media::getWidth() const
163 164 165 166
{
    return m_width;
}

167
void                Media::setWidth( int width )
168 169 170 171
{
    m_width = width;
}

172
int                 Media::getHeight() const
173 174 175 176
{
    return m_height;
}

177
void                Media::setHeight( int height )
178 179 180 181
{
    m_height = height;
}

182
float               Media::getFps() const
183 184 185 186
{
    return m_fps;
}

187
void                Media::setFps( float fps )
188 189 190 191
{
    m_fps = fps;
}

192 193 194 195 196
Media::FileType     Media::getFileType() const
{
    return m_fileType;
}

197
void            Media::emitMetaDataComputed()
198
{
199 200
    Q_ASSERT( m_baseClip == NULL );
    m_baseClip = new Clip( this );
201 202
    emit metaDataComputed( this );
}
203

204 205 206 207 208
void            Media::emitSnapshotComputed()
{
    emit snapshotComputed( this );
}

209 210
void            Media::emitAudioSpectrumComuted()
{
211
    emit audioSpectrumComputed( this->getUuid() );
212 213
}

214 215 216 217
Media::InputType    Media::getInputType() const
{
    return m_inputType;
}
218 219 220 221 222

void                Media::setUuid( const QUuid& uuid )
{
    m_uuid = uuid;
}
223

224 225 226 227 228
void                Media::setNbFrames( qint64 nbFrames )
{
    m_nbFrames = nbFrames;
}

Hugo Beauzee-Luyssen's avatar
Hugo Beauzee-Luyssen committed
229
qint64              Media::getNbFrames() const
230 231 232
{
    return m_nbFrames;
}
233 234 235 236 237 238 239 240 241 242

const QString&      Media::getMrl() const
{
    return m_mrl;
}

const QString&      Media::getFileName() const
{
    return m_fileName;
}
243

244
const QStringList&  Media::getMetaTags() const
245 246 247 248
{
    return m_metaTags;
}

249
void                Media::setMetaTags( const QStringList& tags )
250 251 252 253
{
    m_metaTags = tags;
}

254
bool                Media::matchMetaTag( const QString& tag ) const
255 256 257 258 259 260 261 262 263 264 265
{
    if ( tag.length() == 0 )
        return true;
    QString metaTag;
    foreach ( metaTag, m_metaTags )
    {
        if ( metaTag.startsWith( tag, Qt::CaseInsensitive ) == true )
            return true;
    }
    return false;
}
266 267 268 269 270 271 272 273 274 275

void            Media::addClip( Clip* clip )
{
    m_clips.insert( clip->getUuid(), clip );
}

void            Media::removeClip( const QUuid& uuid )
{
    m_clips.remove( uuid );
}