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 #define _S(a) (a)>255 ? 255 : (a)<0 ? 0 : (a)
130 #define _R(y,u,v) (0x2568*(y) + 0x3343*(u)) /0x2000
131 #define _G(y,u,v) (0x2568*(y) - 0x0c92*(v) - 0x1a1e*(u)) /0x2000
132 #define _B(y,u,v) (0x2568*(y) + 0x40cf*(v)) /0x2000
134 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) {
135 QCryptographicHash context(QCryptographicHash::Sha1);
136 context.addData((KFileItem(m_url, "text/plain", S_IFREG).timeString() + m_url.fileName()).toAscii().data());
137 m_thumbFile = KGlobal::dirs()->saveLocation("tmp" , "kdenlive") + context.result().toHex() + ".thumb";
138 kDebug() << "thumbfile=" << m_thumbFile;
142 if (thumbProducer.isRunning()) thumbProducer.exit();
145 void KThumb::setProducer(Mlt::Producer *producer) {
146 m_producer = producer;
147 m_dar = producer->profile()->dar();
150 void KThumb::updateClipUrl(KUrl url) {
155 QPixmap KThumb::getImage(KUrl url, int width, int height) {
156 if (url.isEmpty()) return QPixmap();
157 return getImage(url, 0, width, height);
160 void KThumb::extractImage(int frame, int frame2) {
161 if (m_url.isEmpty() || !KdenliveSettings::videothumbnails() || m_producer == NULL) return;
163 int twidth = (int)(KdenliveSettings::trackheight() * m_dar);
164 if (m_producer->is_blank()) {
165 QPixmap pix(twidth, KdenliveSettings::trackheight());
167 emit thumbReady(frame, pix);
171 QPixmap pix = getFrame(m_producer, frame, twidth, KdenliveSettings::trackheight());
172 emit thumbReady(frame, pix);
175 QPixmap pix = getFrame(m_producer, frame2, twidth , KdenliveSettings::trackheight());
176 emit thumbReady(frame2, pix);
180 QPixmap KThumb::extractImage(int frame, int width, int height) {
181 return getFrame(m_producer, frame, width, height);
185 QPixmap KThumb::getImage(KUrl url, int frame, int width, int height) {
186 Mlt::Profile profile((char*) KdenliveSettings::current_profile().data());
187 QPixmap pix(width, height);
188 if (url.isEmpty()) return pix;
190 char *tmp = Render::decodedString(url.path());
191 //"<westley><playlist><producer resource=\"" + url.path() + "\" /></playlist></westley>");
192 //Mlt::Producer producer(profile, "westley-xml", tmp);
193 Mlt::Producer *producer = new Mlt::Producer(profile, tmp);
196 if (producer->is_blank()) {
201 pix = getFrame(producer, frame, width, height);
208 QPixmap KThumb::getImage(QDomElement xml, int frame, int width, int height) {
209 Mlt::Profile profile((char*) KdenliveSettings::current_profile().data());
210 QPixmap pix(width, height);
212 QDomElement westley = doc.createElement("westley");
213 QDomElement play = doc.createElement("playlist");
214 doc.appendChild(westley);
215 westley.appendChild(play);
216 play.appendChild(doc.importNode(xml, true));
217 char *tmp = Render::decodedString(doc.toString());
218 Mlt::Producer producer(profile, "westley-xml", tmp);
221 if (producer.is_blank()) {
225 return getFrame(producer, frame, width, height);
229 QPixmap KThumb::getFrame(Mlt::Producer *producer, int framepos, int width, int height) {
230 kDebug() << "//REQUESTING FRAME: " << framepos;
231 if (producer == NULL) return QPixmap();
232 producer->seek(framepos);
233 Mlt::Frame *frame = producer->get_frame();
235 kDebug() << "///// BROKEN FRAME";
238 kDebug() << "///// FRAME exists";
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 kDebug() << "///// FRAME exists 2";
246 uint8_t *data = frame->get_image(format, frame_width, frame_height, 0);
247 kDebug() << "///// FRAME exists 2a";
248 uint8_t *new_image = (uint8_t *)mlt_pool_alloc(frame_width * (frame_height + 1) * 4);
249 kDebug() << "///// FRAME exists 2b";
250 mlt_convert_yuv422_to_rgb24a((uint8_t *)data, new_image, frame_width * frame_height);
251 kDebug() << "///// FRAME exists 2c";
252 QImage image((uchar *)new_image, frame_width, frame_height, QImage::Format_ARGB32);
253 kDebug() << "///// FRAME exists 3";
254 if (!image.isNull()) {
255 pix = pix.fromImage(image.rgbSwapped());
259 mlt_pool_release(new_image);
261 kDebug() << "//REQUESTING FRAME " << framepos << " OVER";
265 void KThumb::getImage(KUrl url, int frame, int width, int height)
267 if (url.isEmpty()) return;
268 QPixmap image(width, height);
269 char *tmp = KRender::decodedString(url.path());
270 Mlt::Producer m_producer(tmp);
272 image.fill(Qt::black);
274 if (m_producer.is_blank()) {
275 emit thumbReady(frame, image);
278 Mlt::Filter m_convert("avcolour_space");
279 m_convert.set("forced", mlt_image_rgb24a);
280 m_producer.attach(m_convert);
281 m_producer.seek(frame);
282 Mlt::Frame * m_frame = m_producer.get_frame();
283 mlt_image_format format = mlt_image_rgb24a;
286 if (m_frame && m_frame->is_valid()) {
287 uint8_t *thumb = m_frame->get_image(format, width, height);
288 QImage tmpimage(thumb, width, height, 32, NULL, 0, QImage::IgnoreEndian);
289 if (!tmpimage.isNull()) bitBlt(&image, 1, 1, &tmpimage, 0, 0, width + 2, height + 2);
291 if (m_frame) delete m_frame;
292 emit thumbReady(frame, image);
295 void KThumb::getThumbs(KUrl url, int startframe, int endframe, int width, int height)
297 if (url.isEmpty()) return;
298 QPixmap image(width, height);
299 char *tmp = KRender::decodedString(url.path());
300 Mlt::Producer m_producer(tmp);
302 image.fill(Qt::black);
304 if (m_producer.is_blank()) {
305 emit thumbReady(startframe, image);
306 emit thumbReady(endframe, image);
309 Mlt::Filter m_convert("avcolour_space");
310 m_convert.set("forced", mlt_image_rgb24a);
311 m_producer.attach(m_convert);
312 m_producer.seek(startframe);
313 Mlt::Frame * m_frame = m_producer.get_frame();
314 mlt_image_format format = mlt_image_rgb24a;
318 if (m_frame && m_frame->is_valid()) {
319 uint8_t *thumb = m_frame->get_image(format, width, height);
320 QImage tmpimage(thumb, width, height, 32, NULL, 0, QImage::IgnoreEndian);
321 if (!tmpimage.isNull()) bitBlt(&image, 1, 1, &tmpimage, 0, 0, width - 2, height - 2);
323 if (m_frame) delete m_frame;
324 emit thumbReady(startframe, image);
326 image.fill(Qt::black);
327 m_producer.seek(endframe);
328 m_frame = m_producer.get_frame();
330 if (m_frame && m_frame->is_valid()) {
331 uint8_t *thumb = m_frame->get_image(format, width, height);
332 QImage tmpimage(thumb, width, height, 32, NULL, 0, QImage::IgnoreEndian);
333 if (!tmpimage.isNull()) bitBlt(&image, 1, 1, &tmpimage, 0, 0, width - 2, height - 2);
335 if (m_frame) delete m_frame;
336 emit thumbReady(endframe, image);
339 void KThumb::stopAudioThumbs() {
340 if (thumbProducer.isRunning()) thumbProducer.stop_me = true;
344 void KThumb::removeAudioThumb() {
345 if (m_thumbFile.isEmpty()) return;
347 QFile f(m_thumbFile);
351 void KThumb::getAudioThumbs(int channel, double frame, double frameLength, int arrayWidth) {
353 if ((thumbProducer.isRunning() && thumbProducer.isWorking()) || channel == 0) {
357 QMap <int, QMap <int, QByteArray> > storeIn;
358 //FIXME: Hardcoded!!!
359 int m_frequency = 48000;
360 int m_channels = channel;
362 QFile f(m_thumbFile);
363 if (f.open(QIODevice::ReadOnly)) {
364 QByteArray channelarray = f.readAll();
366 if (channelarray.size() != arrayWidth*(frame + frameLength)*m_channels) {
367 kDebug() << "--- BROKEN THUMB FOR: " << m_url.fileName() << " ---------------------- " << endl;
371 kDebug() << "reading audio thumbs from file";
372 for (int z = (int) frame;z < (int)(frame + frameLength);z++) {
373 for (int c = 0;c < m_channels;c++) {
374 QByteArray m_array(arrayWidth, '\x00');
375 for (int i = 0; i < arrayWidth; i++)
376 m_array[i] = channelarray[z*arrayWidth*m_channels + c*arrayWidth + i];
377 storeIn[z][c] = m_array;
380 emit audioThumbReady(storeIn);
382 if (thumbProducer.isRunning()) return;
383 thumbProducer.init(this, m_url, m_thumbFile, frame, frameLength, m_frequency, m_channels, arrayWidth);
384 thumbProducer.start(QThread::LowestPriority);
385 kDebug() << "STARTING GENERATE THMB FOR: " << m_url << " ................................";
389 void KThumb::customEvent(QEvent * event) {
390 if (event->type() == 10005) {
391 ProgressEvent* p = (ProgressEvent*) event;
392 m_clipManager->setThumbsProgress(i18n("Creating thumbnail for %1", m_url.fileName()), p->value());
398 #include "kthumb.moc"