1 /***************************************************************************
2 krender.cpp - description
4 begin : Fri Nov 22 2002
5 copyright : (C) 2002 by Jason Wood
6 email : jasonwood@blueyonder.co.uk
7 copyright : (C) 2005 Lcio Fl�io Corr�
8 email : lucio.correa@gmail.com
9 copyright : (C) Marco Gittler
10 email : g.marco@freenet.de
12 ***************************************************************************/
14 /***************************************************************************
16 * This program is free software; you can redistribute it and/or modify *
17 * it under the terms of the GNU General Public License as published by *
18 * the Free Software Foundation; either version 2 of the License, or *
19 * (at your option) any later version. *
21 ***************************************************************************/
25 #include <QApplication>
26 #include <QCryptographicHash>
28 #include <kio/netaccess.h>
31 #include <kdenlivesettings.h>
32 #include <kfileitem.h>
33 #include <kmessagebox.h>
34 #include <KStandardDirs>
36 #include <mlt++/Mlt.h>
38 #include "clipmanager.h"
41 #include "kdenlivesettings.h"
45 void MyThread::init(QObject *parent, KUrl url, QString target, double frame, double frameLength, int frequency, int channels, int arrayWidth) {
49 f.setFileName(target);
52 m_frameLength = frameLength;
53 m_frequency = frequency;
54 m_channels = channels;
55 m_arrayWidth = arrayWidth;
58 bool MyThread::isWorking() {
62 void MyThread::run() {
64 if (!f.open(QIODevice::WriteOnly)) {
65 kDebug() << "++++++++ ERROR WRITING TO FILE: " << f.fileName() << endl;
66 kDebug() << "++++++++ DISABLING AUDIO THUMBS" << endl;
67 KdenliveSettings::setAudiothumbnails(false);
71 Mlt::Profile prof((char*) KdenliveSettings::current_profile().toUtf8().data());
72 Mlt::Producer m_producer(prof, m_url.path().toUtf8().data());
75 if (KdenliveSettings::normaliseaudiothumbs()) {
76 Mlt::Filter m_convert(prof, "volume");
77 m_convert.set("gain", "normalise");
78 m_producer.attach(m_convert);
81 //QApplication::postEvent(m_parent, new ProgressEvent(-1, (QEvent::Type)10005));
85 kDebug() << "for " << m_frame << " " << m_frameLength << " " << m_producer.is_valid();
86 for (int z = (int) m_frame;z < (int)(m_frame + m_frameLength) && m_producer.is_valid();z++) {
88 val = (int)((z - m_frame) / (m_frame + m_frameLength) * 100.0);
89 if (last_val != val & val > 1) {
90 QApplication::postEvent(m_parent, new ProgressEvent(val, (QEvent::Type)10005));
95 Mlt::Frame *mlt_frame = m_producer.get_frame();
96 if (mlt_frame && mlt_frame->is_valid()) {
97 double m_framesPerSecond = mlt_producer_get_fps(m_producer.get_producer()); //mlt_frame->get_double( "fps" );
98 int m_samples = mlt_sample_calculator(m_framesPerSecond, m_frequency, mlt_frame_get_position(mlt_frame->get_frame()));
99 mlt_audio_format m_audioFormat = mlt_audio_pcm;
101 int16_t* m_pcm = mlt_frame->get_audio(m_audioFormat, m_frequency, m_channels, m_samples);
103 for (int c = 0;c < m_channels;c++) {
105 m_array.resize(m_arrayWidth);
106 for (uint i = 0; i < m_array.size(); i++) {
107 m_array[i] = ((*(m_pcm + c + i * m_samples / m_array.size())) >> 9) + 127 / 2 ;
113 f.write(QByteArray(m_arrayWidth, '\x00'));
124 QApplication::postEvent(m_parent, new ProgressEvent(-1, (QEvent::Type)10005));
129 KThumb::KThumb(ClipManager *clipManager, KUrl url, QObject * parent, const char *name): QObject(parent), m_clipManager(clipManager), m_url(url), m_producer(NULL), m_dar(1) {
130 QCryptographicHash context(QCryptographicHash::Sha1);
131 context.addData((KFileItem(m_url, "text/plain", S_IFREG).timeString() + m_url.fileName()).toAscii().data());
132 m_thumbFile = KGlobal::dirs()->saveLocation("tmp" , "kdenlive") + context.result().toHex() + ".thumb";
133 kDebug() << "thumbfile=" << m_thumbFile;
137 if (thumbProducer.isRunning()) thumbProducer.exit();
140 void KThumb::setProducer(Mlt::Producer *producer) {
141 m_producer = producer;
142 m_dar = producer->profile()->dar();
145 void KThumb::updateClipUrl(KUrl url) {
150 QPixmap KThumb::getImage(KUrl url, int width, int height) {
151 if (url.isEmpty()) return QPixmap();
152 return getImage(url, 0, width, height);
155 void KThumb::extractImage(int frame, int frame2) {
156 if (m_url.isEmpty() || !KdenliveSettings::videothumbnails() || m_producer == NULL) return;
158 int twidth = (int)(KdenliveSettings::trackheight() * m_dar);
159 if (m_producer->is_blank()) {
160 QPixmap pix(twidth, KdenliveSettings::trackheight());
162 emit thumbReady(frame, pix);
166 QPixmap pix = getFrame(m_producer, frame, twidth, KdenliveSettings::trackheight());
167 emit thumbReady(frame, pix);
170 QPixmap pix = getFrame(m_producer, frame2, twidth , KdenliveSettings::trackheight());
171 emit thumbReady(frame2, pix);
175 QPixmap KThumb::extractImage(int frame, int width, int height) {
176 return getFrame(m_producer, frame, width, height);
180 QPixmap KThumb::getImage(KUrl url, int frame, int width, int height) {
181 Mlt::Profile profile((char*) KdenliveSettings::current_profile().data());
182 QPixmap pix(width, height);
183 if (url.isEmpty()) return pix;
185 char *tmp = Render::decodedString(url.path());
186 //"<westley><playlist><producer resource=\"" + url.path() + "\" /></playlist></westley>");
187 //Mlt::Producer producer(profile, "westley-xml", tmp);
188 Mlt::Producer *producer = new Mlt::Producer(profile, tmp);
191 if (producer->is_blank()) {
196 pix = getFrame(producer, frame, width, height);
203 QPixmap KThumb::getImage(QDomElement xml, int frame, int width, int height) {
204 Mlt::Profile profile((char*) KdenliveSettings::current_profile().data());
205 QPixmap pix(width, height);
207 QDomElement westley = doc.createElement("westley");
208 QDomElement play = doc.createElement("playlist");
209 doc.appendChild(westley);
210 westley.appendChild(play);
211 play.appendChild(doc.importNode(xml, true));
212 char *tmp = Render::decodedString(doc.toString());
213 Mlt::Producer producer(profile, "westley-xml", tmp);
216 if (producer.is_blank()) {
220 return getFrame(producer, frame, width, height);
224 QPixmap KThumb::getFrame(Mlt::Producer *producer, int framepos, int width, int height) {
225 if (producer == NULL) {
226 QPixmap p(width, height);
231 producer->seek(framepos);
232 Mlt::Frame *frame = producer->get_frame();
234 kDebug() << "///// BROKEN FRAME";
235 QPixmap p(width, height);
239 mlt_image_format format = mlt_image_yuv422;
241 int frame_height = 0;
242 frame->set("normalised_height", height);
243 frame->set("normalised_width", width);
244 QPixmap pix(width, height);
245 uint8_t *data = frame->get_image(format, frame_width, frame_height, 0);
246 uint8_t *new_image = (uint8_t *)mlt_pool_alloc(frame_width * (frame_height + 1) * 4);
247 mlt_convert_yuv422_to_rgb24a((uint8_t *)data, new_image, frame_width * frame_height);
249 QImage image((uchar *)new_image, frame_width, frame_height, QImage::Format_ARGB32);
251 if (!image.isNull()) {
252 pix = pix.fromImage(image.rgbSwapped());
256 mlt_pool_release(new_image);
261 void KThumb::getImage(KUrl url, int frame, int width, int height)
263 if (url.isEmpty()) return;
264 QPixmap image(width, height);
265 char *tmp = KRender::decodedString(url.path());
266 Mlt::Producer m_producer(tmp);
268 image.fill(Qt::black);
270 if (m_producer.is_blank()) {
271 emit thumbReady(frame, image);
274 Mlt::Filter m_convert("avcolour_space");
275 m_convert.set("forced", mlt_image_rgb24a);
276 m_producer.attach(m_convert);
277 m_producer.seek(frame);
278 Mlt::Frame * m_frame = m_producer.get_frame();
279 mlt_image_format format = mlt_image_rgb24a;
282 if (m_frame && m_frame->is_valid()) {
283 uint8_t *thumb = m_frame->get_image(format, width, height);
284 QImage tmpimage(thumb, width, height, 32, NULL, 0, QImage::IgnoreEndian);
285 if (!tmpimage.isNull()) bitBlt(&image, 1, 1, &tmpimage, 0, 0, width + 2, height + 2);
287 if (m_frame) delete m_frame;
288 emit thumbReady(frame, image);
291 void KThumb::getThumbs(KUrl url, int startframe, int endframe, int width, int height)
293 if (url.isEmpty()) return;
294 QPixmap image(width, height);
295 char *tmp = KRender::decodedString(url.path());
296 Mlt::Producer m_producer(tmp);
298 image.fill(Qt::black);
300 if (m_producer.is_blank()) {
301 emit thumbReady(startframe, image);
302 emit thumbReady(endframe, image);
305 Mlt::Filter m_convert("avcolour_space");
306 m_convert.set("forced", mlt_image_rgb24a);
307 m_producer.attach(m_convert);
308 m_producer.seek(startframe);
309 Mlt::Frame * m_frame = m_producer.get_frame();
310 mlt_image_format format = mlt_image_rgb24a;
314 if (m_frame && m_frame->is_valid()) {
315 uint8_t *thumb = m_frame->get_image(format, width, height);
316 QImage tmpimage(thumb, width, height, 32, NULL, 0, QImage::IgnoreEndian);
317 if (!tmpimage.isNull()) bitBlt(&image, 1, 1, &tmpimage, 0, 0, width - 2, height - 2);
319 if (m_frame) delete m_frame;
320 emit thumbReady(startframe, image);
322 image.fill(Qt::black);
323 m_producer.seek(endframe);
324 m_frame = m_producer.get_frame();
326 if (m_frame && m_frame->is_valid()) {
327 uint8_t *thumb = m_frame->get_image(format, width, height);
328 QImage tmpimage(thumb, width, height, 32, NULL, 0, QImage::IgnoreEndian);
329 if (!tmpimage.isNull()) bitBlt(&image, 1, 1, &tmpimage, 0, 0, width - 2, height - 2);
331 if (m_frame) delete m_frame;
332 emit thumbReady(endframe, image);
335 void KThumb::stopAudioThumbs() {
336 if (thumbProducer.isRunning()) thumbProducer.stop_me = true;
340 void KThumb::removeAudioThumb() {
341 if (m_thumbFile.isEmpty()) return;
343 QFile f(m_thumbFile);
347 void KThumb::getAudioThumbs(int channel, double frame, double frameLength, int arrayWidth) {
349 if ((thumbProducer.isRunning() && thumbProducer.isWorking()) || channel == 0) {
353 QMap <int, QMap <int, QByteArray> > storeIn;
354 //FIXME: Hardcoded!!!
355 int m_frequency = 48000;
356 int m_channels = channel;
358 QFile f(m_thumbFile);
359 if (f.open(QIODevice::ReadOnly)) {
360 QByteArray channelarray = f.readAll();
362 if (channelarray.size() != arrayWidth*(frame + frameLength)*m_channels) {
363 kDebug() << "--- BROKEN THUMB FOR: " << m_url.fileName() << " ---------------------- " << endl;
367 kDebug() << "reading audio thumbs from file";
368 for (int z = (int) frame;z < (int)(frame + frameLength);z++) {
369 for (int c = 0;c < m_channels;c++) {
370 QByteArray m_array(arrayWidth, '\x00');
371 for (int i = 0; i < arrayWidth; i++)
372 m_array[i] = channelarray[z*arrayWidth*m_channels + c*arrayWidth + i];
373 storeIn[z][c] = m_array;
376 emit audioThumbReady(storeIn);
378 if (thumbProducer.isRunning()) return;
379 thumbProducer.init(this, m_url, m_thumbFile, frame, frameLength, m_frequency, m_channels, arrayWidth);
380 thumbProducer.start(QThread::LowestPriority);
381 kDebug() << "STARTING GENERATE THMB FOR: " << m_url << " ................................";
385 void KThumb::customEvent(QEvent * event) {
386 if (event->type() == 10005) {
387 ProgressEvent* p = (ProgressEvent*) event;
388 m_clipManager->setThumbsProgress(i18n("Creating thumbnail for %1", m_url.fileName()), p->value());
394 #include "kthumb.moc"