Kstars

media.cpp
1/*
2 SPDX-FileCopyrightText: 2018 Jasem Mutlaq <mutlaqja@ikarustech.com>
3
4 Media Channel
5
6 SPDX-License-Identifier: GPL-2.0-or-later
7*/
8
9#include "media.h"
10#include "commands.h"
11#include "skymapcomposite.h"
12#include "fitsviewer/fitsview.h"
13#include "fitsviewer/fitsdata.h"
14#include "indi/indilistener.h"
15#include "hips/hipsfinder.h"
16#include "kstarsdata.h"
17#include "ekos/auxiliary/darklibrary.h"
18#include "ekos/guide/guide.h"
19#include "ekos/align/align.h"
20#include "ekos/capture/capture.h"
21#include "ekos/capture/cameraprocess.h"
22#include "ekos/focus/focusmodule.h"
23#include "kspaths.h"
24#include "Options.h"
25
26#include "ekos_debug.h"
27#include "kstars.h"
28#include "version.h"
29
30#include <QtConcurrent>
31#include <KFormat>
32#include <QImageWriter>
33
34namespace EkosLive
35{
36
37///////////////////////////////////////////////////////////////////////////////////////////
38///
39///////////////////////////////////////////////////////////////////////////////////////////
40Media::Media(Ekos::Manager * manager, QVector<QSharedPointer<NodeManager>> &nodeManagers):
41 m_Manager(manager), m_NodeManagers(nodeManagers)
42{
43 for (auto &nodeManager : m_NodeManagers)
44 {
45 connect(nodeManager->media(), &Node::connected, this, &Media::onConnected);
46 connect(nodeManager->media(), &Node::disconnected, this, &Media::onDisconnected);
47 connect(nodeManager->media(), &Node::onTextReceived, this, &Media::onTextReceived);
48 connect(nodeManager->media(), &Node::onBinaryReceived, this, &Media::onBinaryReceived);
49 }
50
51 connect(this, &Media::newMetadata, this, &Media::uploadMetadata);
52 connect(this, &Media::newImage, this, [this](const QByteArray & image)
53 {
54 uploadImage(image);
55 });
56}
57
58///////////////////////////////////////////////////////////////////////////////////////////
59///
60///////////////////////////////////////////////////////////////////////////////////////////
61bool Media::isConnected() const
62{
63 return std::any_of(m_NodeManagers.begin(), m_NodeManagers.end(), [](auto & nodeManager)
64 {
65 return nodeManager->media()->isConnected();
66 });
67}
68
69///////////////////////////////////////////////////////////////////////////////////////////
70///
71///////////////////////////////////////////////////////////////////////////////////////////
72void Media::onConnected()
73{
74 auto node = qobject_cast<Node*>(sender());
75 if (!node)
76 return;
77
78 qCInfo(KSTARS_EKOS) << "Connected to Media Websocket server at" << node->url().toDisplayString();
79
80 emit connected();
81}
82
83///////////////////////////////////////////////////////////////////////////////////////////
84///
85///////////////////////////////////////////////////////////////////////////////////////////
86void Media::onDisconnected()
87{
88 auto node = qobject_cast<Node*>(sender());
89 if (!node)
90 return;
91
92 qCInfo(KSTARS_EKOS) << "Disconnected from Message Websocket server at" << node->url().toDisplayString();
93
94 if (isConnected() == false)
95 {
96 m_sendBlobs = true;
97
98 for (const QString &oneFile : temporaryFiles)
99 QFile::remove(oneFile);
100 temporaryFiles.clear();
101
102 emit disconnected();
103 }
104}
105
106///////////////////////////////////////////////////////////////////////////////////////////
107///
108///////////////////////////////////////////////////////////////////////////////////////////
109void Media::onTextReceived(const QString &message)
110{
111 qCInfo(KSTARS_EKOS) << "Media Text Websocket Message" << message;
112 QJsonParseError error;
113 auto serverMessage = QJsonDocument::fromJson(message.toLatin1(), &error);
114 if (error.error != QJsonParseError::NoError)
115 {
116 qCWarning(KSTARS_EKOS) << "Ekos Live Parsing Error" << error.errorString();
117 return;
118 }
119
120 const QJsonObject msgObj = serverMessage.object();
121 const QString command = msgObj["type"].toString();
122 const QJsonObject payload = msgObj["payload"].toObject();
123
124 if (command == commands[ALIGN_SET_FILE_EXTENSION])
125 extension = payload["ext"].toString();
126 else if (command == commands[SET_BLOBS])
127 m_sendBlobs = msgObj["payload"].toBool();
128 // Get a list of object based on criteria
129 else if (command == commands[ASTRO_GET_OBJECTS_IMAGE])
130 {
131 int level = payload["level"].toInt(5);
132 double zoom = payload["zoom"].toInt(20000);
133 bool exact = payload["exact"].toBool(false);
134
135 // Object Names
136 QVariantList objectNames = payload["names"].toArray().toVariantList();
137
138 for (auto &oneName : objectNames)
139 {
140 const QString name = oneName.toString();
141 SkyObject * class="code hl_function" href="classKStarsData.html#adc428fb987c7f6c04cfdc41050b4639a">skyComposite()->findByName(name, exact);
142 if (oneObject)
143 {
144 QImage centerImage(HIPS_TILE_WIDTH, HIPS_TILE_HEIGHT, QImage::Format_ARGB32_Premultiplied);
145 double fov_w = 0, fov_h = 0;
146
147 if (oneObject->type() == SkyObject::MOON || oneObject->type() == SkyObject::PLANET)
148 {
149 QProcess xplanetProcess;
150 const QString output = KSPaths::writableLocation(QStandardPaths::TempLocation) + QDir::separator() + "xplanet.jpg";
151 xplanetProcess.start(Options::xplanetPath(), QStringList()
152 << "--num_times" << "1"
153 << "--geometry" << QString("%1x%2").arg(HIPS_TILE_WIDTH).arg(HIPS_TILE_HEIGHT)
154 << "--body" << name.toLower()
155 << "--output" << output);
156 xplanetProcess.waitForFinished(5000);
157 centerImage.load(output);
158 }
159 else
160 HIPSFinder::Instance()->render(oneObject, level, zoom, &centerImage, fov_w, fov_h);
161
162 if (!centerImage.isNull())
163 {
164 // Use seed from name, level, and zoom so that it is unique
165 // even if regenerated again.
166 auto seed = QString("%1%2%3").arg(QString::number(level), QString::number(zoom), name);
167 QString uuid = QString("hips_") + QCryptographicHash::hash(seed.toLatin1(), QCryptographicHash::Md5).toHex();
168 // Send everything as strings
169 QJsonObject metadata =
170 {
171 {"uuid", uuid},
172 {"name", exact ? name : oneObject->name()},
173 {"zoom", zoom},
174 {"resolution", QString("%1x%2").arg(HIPS_TILE_WIDTH).arg(HIPS_TILE_HEIGHT)},
175 {"bin", "1x1"},
176 {"fov_w", QString::number(fov_w)},
177 {"fov_h", QString::number(fov_h)},
178 {"ext", "jpg"}
179 };
180
181 QByteArray jpegData;
182 QBuffer buffer(&jpegData);
183 buffer.open(QIODevice::WriteOnly);
184
185 // First METADATA_PACKET bytes of the binary data is always allocated
186 // to the metadata, the rest to the image data.
187 QByteArray meta = QJsonDocument(metadata).toJson(QJsonDocument::Compact);
188 meta = meta.leftJustified(METADATA_PACKET, 0);
189 buffer.write(meta);
190 centerImage.save(&buffer, "jpg", 90);
191 buffer.close();
192
193 emit newImage(jpegData);
194 }
195 }
196 }
197 }
198 else if (command == commands[ASTRO_GET_SKYPOINT_IMAGE])
199 {
200 int level = payload["level"].toInt(5);
201 double zoom = payload["zoom"].toInt(20000);
202 double ra = payload["ra"].toDouble(0);
203 double de = payload["de"].toDouble(0);
204 double width = payload["width"].toDouble(512);
205 double height = payload["height"].toDouble(512);
206
207 QImage centerImage(width, height, QImage::Format_ARGB32_Premultiplied);
208 SkyPoint coords(ra, de);
209 SkyPoint J2000Coord(coords.ra(), coords.dec());
210 J2000Coord.catalogueCoord(KStars::Instance()->data()->ut().djd());
211 coords.setRA0(J2000Coord.ra());
212 coords.setDec0(J2000Coord.dec());
213 coords.EquatorialToHorizontal(KStarsData::Instance()->lst(), KStarsData::Instance()->geo()->lat());
214
215 volatile auto jnowRAString = coords.ra().toHMSString();
216 volatile auto jnowDEString = coords.dec().toDMSString();
217 volatile auto j2000RAString = coords.ra0().toHMSString();
218 volatile auto j2000DEString = coords.dec0().toDMSString();
219
220
221 double fov_w = 0, fov_h = 0;
222 HIPSFinder::Instance()->render(&coords, level, zoom, &centerImage, fov_w, fov_h);
223
224 if (!centerImage.isNull())
225 {
226 // Use seed from name, level, and zoom so that it is unique
227 // even if regenerated again.
228 // Send everything as strings
229 QJsonObject metadata =
230 {
231 {"uuid", "skypoint_hips"},
232 {"name", "skypoint_hips"},
233 {"zoom", zoom},
234 {"resolution", QString("%1x%2").arg(width).arg(height)},
235 {"bin", "1x1"},
236 {"fov_w", QString::number(fov_w)},
237 {"fov_h", QString::number(fov_h)},
238 {"ext", "jpg"}
239 };
240
241 QByteArray jpegData;
242 QBuffer buffer(&jpegData);
243 buffer.open(QIODevice::WriteOnly);
244
245 // First METADATA_PACKET bytes of the binary data is always allocated
246 // to the metadata, the rest to the image data.
247 QByteArray meta = QJsonDocument(metadata).toJson(QJsonDocument::Compact);
248 meta = meta.leftJustified(METADATA_PACKET, 0);
249 buffer.write(meta);
250 centerImage.save(&buffer, "jpg", 95);
251 buffer.close();
252
253 emit newImage(jpegData);
254 }
255 }
256}
257
258///////////////////////////////////////////////////////////////////////////////////////////
259///
260///////////////////////////////////////////////////////////////////////////////////////////
261void Media::onBinaryReceived(const QByteArray &message)
262{
263 // Sometimes this is triggered even though it's a text message
264 Ekos::Align * align = m_Manager->alignModule();
265 if (align)
266 {
267 QString metadataString = message.left(METADATA_PACKET);
268 QJsonDocument metadataDocument = QJsonDocument::fromJson(metadataString.toLatin1());
269 QJsonObject metadataJSON = metadataDocument.object();
270 QString extension = metadataJSON.value("ext").toString();
271 align->loadAndSlew(message.mid(METADATA_PACKET), extension);
272 }
273}
274
275///////////////////////////////////////////////////////////////////////////////////////////
276///
277///////////////////////////////////////////////////////////////////////////////////////////
278void Media::sendDarkLibraryData(const QSharedPointer<FITSData> &data)
279{
280 sendData(data, "+D");
281};
282
283///////////////////////////////////////////////////////////////////////////////////////////
284///
285///////////////////////////////////////////////////////////////////////////////////////////
286void Media::sendData(const QSharedPointer<FITSData> &data, const QString &uuid)
287{
288 if (Options::ekosLiveImageTransfer() == false || m_sendBlobs == false || isConnected() == false)
289 return;
290
291 StretchParams params;
292 QImage image;
293 stretch(data, image, params);
294 upload(data, image, params, uuid);
295}
296
297///////////////////////////////////////////////////////////////////////////////////////////
298///
299///////////////////////////////////////////////////////////////////////////////////////////
300void Media::sendFile(const QString &filename, const QString &uuid)
301{
302 if (Options::ekosLiveImageTransfer() == false || m_sendBlobs == false || isConnected() == false)
303 return;
304
305 QSharedPointer<FITSData> data(new FITSData());
306 data->loadFromFile(filename);
307#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
308 QtConcurrent::run(&Media::dispatch, this, data, uuid);
309#else
310 QtConcurrent::run(this, &Media::dispatch, data, uuid);
311#endif
312}
313
314///////////////////////////////////////////////////////////////////////////////////////////
315///
316///////////////////////////////////////////////////////////////////////////////////////////
317void Media::sendView(const QSharedPointer<FITSView> &view, const QString &uuid)
318{
319 if (Options::ekosLiveImageTransfer() == false || m_sendBlobs == false || isConnected() == false)
320 return;
321
322 upload(view, uuid);
323}
324
325///////////////////////////////////////////////////////////////////////////////////////////
326///
327///////////////////////////////////////////////////////////////////////////////////////////
328void Media::dispatch(const QSharedPointer<FITSData> &data, const QString &uuid)
329{
330 QSharedPointer<FITSView> previewImage(new FITSView());
331 previewImage->loadData(data);
332 upload(previewImage, uuid);
333}
334
335///////////////////////////////////////////////////////////////////////////////////////////
336///
337///////////////////////////////////////////////////////////////////////////////////////////
338void Media::stretch(const QSharedPointer<FITSData> &data, QImage &image, StretchParams &params) const
339{
340 double min = 0, max = 0;
341 data->getMinMax(&min, &max);
342 auto width = data->width();
343 auto height = data->height();
344 auto channels = data->channels();
345 auto dataType = data->dataType();
346
347 if (min == max)
348 {
349 image.fill(Qt::white);
350 }
351
352 if (channels == 1)
353 {
354 image = QImage(width, height, QImage::Format_Indexed8);
355
356 image.setColorCount(256);
357 for (int i = 0; i < 256; i++)
358 image.setColor(i, qRgb(i, i, i));
359 }
360 else
361 {
362 image = QImage(width, height, QImage::Format_RGB32);
363 }
364
365 Stretch stretch(width, height, channels, dataType);
366
367 // Compute new auto-stretch params.
368 params = stretch.computeParams(data->getImageBuffer());
369 stretch.setParams(params);
370 stretch.run(data->getImageBuffer(), &image, 1);
371}
372
373///////////////////////////////////////////////////////////////////////////////////////////
374///
375///////////////////////////////////////////////////////////////////////////////////////////
376void Media::upload(const QSharedPointer<FITSView> &view, const QString &uuid)
377{
378 const QString ext = "jpg";
379 QByteArray jpegData;
380 QBuffer buffer(&jpegData);
381 buffer.open(QIODevice::WriteOnly);
382
383 const QSharedPointer<FITSData> imageData = view->imageData();
384 QString resolution = QString("%1x%2").arg(imageData->width()).arg(imageData->height());
385 QString sizeBytes = KFormat().formatByteSize(imageData->size());
386 QVariant xbin(1), ybin(1), exposure(0), focal_length(0), gain(0), pixel_size(0), aperture(0);
387 imageData->getRecordValue("XBINNING", xbin);
388 imageData->getRecordValue("YBINNING", ybin);
389 imageData->getRecordValue("EXPTIME", exposure);
390 imageData->getRecordValue("GAIN", gain);
391 imageData->getRecordValue("PIXSIZE1", pixel_size);
392 imageData->getRecordValue("FOCALLEN", focal_length);
393 imageData->getRecordValue("APTDIA", aperture);
394
395 auto stretchParameters = view->getStretchParams();
396
397 // Account for binning
398 const double binned_pixel = pixel_size.toDouble() * xbin.toInt();
399
400 // Send everything as strings
401 QJsonObject metadata =
402 {
403 {"resolution", resolution},
404 {"size", sizeBytes},
405 {"channels", imageData->channels()},
406 {"mean", imageData->getAverageMean()},
407 {"median", imageData->getAverageMedian()},
408 {"stddev", imageData->getAverageStdDev()},
409 {"min", imageData->getMin()},
410 {"max", imageData->getMax()},
411 {"bin", QString("%1x%2").arg(xbin.toString(), ybin.toString())},
412 {"bpp", QString::number(imageData->bpp())},
413 {"uuid", uuid},
414 {"exposure", exposure.toString()},
415 {"focal_length", focal_length.toString()},
416 {"aperture", aperture.toString()},
417 {"gain", gain.toString()},
418 {"pixel_size", QString::number(binned_pixel, 'f', 4)},
419 {"shadows", stretchParameters.grey_red.shadows},
420 {"midtones", stretchParameters.grey_red.midtones},
421 {"highlights", stretchParameters.grey_red.highlights},
422 {"hasWCS", imageData->hasWCS()},
423 {"hfr", imageData->getHFR()},
424 {"view", view->objectName()},
425 {"ext", ext}
426 };
427
428 // First METADATA_PACKET bytes of the binary data is always allocated
429 // to the metadata
430 // the rest to the image data.
431 QByteArray meta = QJsonDocument(metadata).toJson(QJsonDocument::Compact);
432 meta = meta.leftJustified(METADATA_PACKET, 0);
433 buffer.write(meta);
434
435 auto fastImage = (!Options::ekosLiveHighBandwidth() || uuid[0] == '+');
436 auto scaleWidth = fastImage ? HB_IMAGE_WIDTH / 2 : HB_IMAGE_WIDTH;
437
438 // For low bandwidth images
439 // Except for dark frames +D
440 QPixmap scaledImage = view->getDisplayPixmap().width() > scaleWidth ?
441 view->getDisplayPixmap().scaledToWidth(scaleWidth, fastImage ? Qt::FastTransformation : Qt::SmoothTransformation) :
442 view->getDisplayPixmap();
443 scaledImage.save(&buffer, ext.toLatin1().constData(), HB_IMAGE_QUALITY);
444
445 buffer.close();
446
447 emit newImage(jpegData);
448}
449
450///////////////////////////////////////////////////////////////////////////////////////////
451///
452///////////////////////////////////////////////////////////////////////////////////////////
453void Media::upload(const QSharedPointer<FITSData> &data, const QImage &image, const StretchParams &params,
454 const QString &uuid)
455{
456 const QString ext = "jpg";
457 QByteArray jpegData;
458 QBuffer buffer(&jpegData);
459 buffer.open(QIODevice::WriteOnly);
460
461 QString resolution = QString("%1x%2").arg(data->width()).arg(data->height());
462 QString sizeBytes = KFormat().formatByteSize(data->size());
463 QVariant xbin(1), ybin(1), exposure(0), focal_length(0), gain(0), pixel_size(0), aperture(0);
464 data->getRecordValue("XBINNING", xbin);
465 data->getRecordValue("YBINNING", ybin);
466 data->getRecordValue("EXPTIME", exposure);
467 data->getRecordValue("GAIN", gain);
468 data->getRecordValue("PIXSIZE1", pixel_size);
469 data->getRecordValue("FOCALLEN", focal_length);
470 data->getRecordValue("APTDIA", aperture);
471
472 // Account for binning
473 const double binned_pixel = pixel_size.toDouble() * xbin.toInt();
474
475 // Send everything as strings
476 QJsonObject metadata =
477 {
478 {"resolution", resolution},
479 {"size", sizeBytes},
480 {"channels", data->channels()},
481 {"mean", data->getAverageMean()},
482 {"median", data->getAverageMedian()},
483 {"stddev", data->getAverageStdDev()},
484 {"min", data->getMin()},
485 {"max", data->getMax()},
486 {"bin", QString("%1x%2").arg(xbin.toString(), ybin.toString())},
487 {"bpp", QString::number(data->bpp())},
488 {"uuid", uuid},
489 {"exposure", exposure.toString()},
490 {"focal_length", focal_length.toString()},
491 {"aperture", aperture.toString()},
492 {"gain", gain.toString()},
493 {"pixel_size", QString::number(binned_pixel, 'f', 4)},
494 {"shadows", params.grey_red.shadows},
495 {"midtones", params.grey_red.midtones},
496 {"highlights", params.grey_red.highlights},
497 {"hasWCS", data->hasWCS()},
498 {"hfr", data->getHFR()},
499 {"ext", ext}
500 };
501
502 // First METADATA_PACKET bytes of the binary data is always allocated
503 // to the metadata
504 // the rest to the image data.
505 QByteArray meta = QJsonDocument(metadata).toJson(QJsonDocument::Compact);
506 meta = meta.leftJustified(METADATA_PACKET, 0);
507 buffer.write(meta);
508
509 auto fastImage = (!Options::ekosLiveHighBandwidth() || uuid[0] == '+');
510 auto scaleWidth = fastImage ? HB_IMAGE_WIDTH / 2 : HB_IMAGE_WIDTH;
511
512 // For low bandwidth images
513 // Except for dark frames +D
514 QImage scaledImage = image.width() > scaleWidth ?
515 image.scaledToWidth(scaleWidth, fastImage ? Qt::FastTransformation : Qt::SmoothTransformation) :
516 image;
517 scaledImage.save(&buffer, ext.toLatin1().constData(), HB_IMAGE_QUALITY);
518
519 buffer.close();
520
521 emit newImage(jpegData);
522}
523
524///////////////////////////////////////////////////////////////////////////////////////////
525///
526///////////////////////////////////////////////////////////////////////////////////////////
527void Media::sendUpdatedFrame(const QSharedPointer<FITSView> &view)
528{
529 if (isConnected() == false)
530 return;
531
532 QString ext = "jpg";
533 QByteArray jpegData;
534 QBuffer buffer(&jpegData);
535 buffer.open(QIODevice::WriteOnly);
536
537 const QSharedPointer<FITSData> imageData = view->imageData();
538
539 if (!imageData)
540 return;
541
542 const int32_t width = imageData->width();
543 const int32_t height = imageData->height();
544 QString resolution = QString("%1x%2").arg(width).arg(height);
545 QString sizeBytes = KFormat().formatByteSize(imageData->size());
546 QVariant xbin(1), ybin(1), exposure(0), focal_length(0), gain(0), pixel_size(0), aperture(0);
547 imageData->getRecordValue("XBINNING", xbin);
548 imageData->getRecordValue("YBINNING", ybin);
549 imageData->getRecordValue("EXPTIME", exposure);
550 imageData->getRecordValue("GAIN", gain);
551 imageData->getRecordValue("PIXSIZE1", pixel_size);
552 imageData->getRecordValue("FOCALLEN", focal_length);
553 imageData->getRecordValue("APTDIA", aperture);
554
555 // Account for binning
556 const double binned_pixel = pixel_size.toDouble() * xbin.toInt();
557 // Send everything as strings
558 QJsonObject metadata =
559 {
560 {"resolution", resolution},
561 {"size", sizeBytes},
562 {"channels", imageData->channels()},
563 {"mean", imageData->getAverageMean()},
564 {"median", imageData->getAverageMedian()},
565 {"stddev", imageData->getAverageStdDev()},
566 {"bin", QString("%1x%2").arg(xbin.toString()).arg(ybin.toString())},
567 {"bpp", QString::number(imageData->bpp())},
568 {"uuid", "+A"},
569 {"exposure", exposure.toString()},
570 {"focal_length", focal_length.toString()},
571 {"aperture", aperture.toString()},
572 {"gain", gain.toString()},
573 {"pixel_size", QString::number(binned_pixel, 'f', 4)},
574 {"ext", ext}
575 };
576
577 // First METADATA_PACKET bytes of the binary data is always allocated
578 // to the metadata
579 // the rest to the image data.
580 QByteArray meta = QJsonDocument(metadata).toJson(QJsonDocument::Compact);
581 meta = meta.leftJustified(METADATA_PACKET, 0);
582 buffer.write(meta);
583
584 // For low bandwidth images
585 QPixmap scaledImage;
586 // Align images
587 if (correctionVector.isNull() == false)
588 {
589 scaledImage = view->getDisplayPixmap();
590 const double currentZoom = view->getCurrentZoom();
591 const double normalizedZoom = currentZoom / 100;
592 // If zoom level is not 100%, then scale.
593 if (fabs(normalizedZoom - 1) > 0.001)
594 scaledImage = view->getDisplayPixmap().scaledToWidth(view->zoomedWidth());
595 else
596 scaledImage = view->getDisplayPixmap();
597 // as we factor in the zoom level, we adjust center and length accordingly
598 QPointF center = 0.5 * correctionVector.p1() * normalizedZoom + 0.5 * correctionVector.p2() * normalizedZoom;
599 uint32_t length = qMax(correctionVector.length() / normalizedZoom, 100 / normalizedZoom);
600
601 QRect boundingRectable;
602 boundingRectable.setSize(QSize(length * 2, length * 2));
603 QPoint topLeft = (center - QPointF(length, length)).toPoint();
604 boundingRectable.moveTo(topLeft);
605 boundingRectable = boundingRectable.intersected(scaledImage.rect());
606
607 emit newBoundingRect(boundingRectable, scaledImage.size(), currentZoom);
608
609 scaledImage = scaledImage.copy(boundingRectable);
610 }
611 else
612 {
613 scaledImage = view->getDisplayPixmap().width() > HB_IMAGE_WIDTH / 2 ?
614 view->getDisplayPixmap().scaledToWidth(HB_IMAGE_WIDTH / 2, Qt::FastTransformation) :
615 view->getDisplayPixmap();
616 emit newBoundingRect(QRect(), QSize(), 100);
617 }
618
619 scaledImage.save(&buffer, ext.toLatin1().constData(), HB_IMAGE_QUALITY);
620 buffer.close();
621 emit newImage(jpegData);
622}
623
624///////////////////////////////////////////////////////////////////////////////////////////
625///
626///////////////////////////////////////////////////////////////////////////////////////////
627void Media::sendVideoFrame(const QSharedPointer<QImage> &frame)
628{
629 if (isConnected() == false ||
630 Options::ekosLiveImageTransfer() == false ||
631 m_sendBlobs == false ||
632 !frame)
633 return;
634
635 int32_t width = Options::ekosLiveHighBandwidth() ? HB_VIDEO_WIDTH : HB_VIDEO_WIDTH / 2;
636 QByteArray image;
637 QBuffer buffer(&image);
638 buffer.open(QIODevice::WriteOnly);
639
640 QImage videoImage = (frame->width() > width) ? frame->scaledToWidth(width) : *frame;
641
642 QString resolution = QString("%1x%2").arg(videoImage.width()).arg(videoImage.height());
643
644 // First METADATA_PACKET bytes of the binary data is always allocated
645 // to the metadata
646 // the rest to the image data.
647 QJsonObject metadata =
648 {
649 {"resolution", resolution},
650 {"ext", "jpg"}
651 };
652 QByteArray meta = QJsonDocument(metadata).toJson(QJsonDocument::Compact);
653 meta = meta.leftJustified(METADATA_PACKET, 0);
654 buffer.write(meta);
655
656 QImageWriter writer;
657 writer.setDevice(&buffer);
658 writer.setFormat("JPG");
659 writer.setCompression(6);
660 writer.write(videoImage);
661 buffer.close();
662
663 for (auto &nodeManager : m_NodeManagers)
664 {
665 nodeManager->media()->sendBinaryMessage(image);
666 }
667}
668
669///////////////////////////////////////////////////////////////////////////////////////////
670///
671///////////////////////////////////////////////////////////////////////////////////////////
672void Media::registerCameras()
673{
674 static const QRegularExpression re("[-{}]");
675
676 for(auto &oneDevice : INDIListener::devices())
677 {
678 auto camera = oneDevice->getCamera();
679 if (camera)
680 {
681 camera->disconnect(this);
682 connect(camera, &ISD::Camera::newVideoFrame, this, &Media::sendVideoFrame);
683 }
684 }
685
686 auto captureModule = m_Manager->captureModule();
687 if (!captureModule)
688 return;
689
690 auto process = captureModule->process().get();
691 process->disconnect(this);
692 connect(process, &Ekos::CameraProcess::newView, this, [this](const QSharedPointer<FITSView> &view)
693 {
694 QString uuid = QUuid::createUuid().toString();
695 uuid = uuid.remove(re);
696 sendView(view, uuid);
697 });
698}
699
700void Media::resetPolarView()
701{
702 this->correctionVector = QLineF();
703 m_Manager->alignModule()->zoomAlignView();
704}
705
706void Media::uploadMetadata(const QByteArray &metadata)
707{
708 for (auto &nodeManager : m_NodeManagers)
709 {
710 nodeManager->media()->sendTextMessage(metadata);
711 }
712}
713
714void Media::uploadImage(const QByteArray &image)
715{
716 for (auto &nodeManager : m_NodeManagers)
717 {
718 nodeManager->media()->sendBinaryMessage(image);
719 }
720}
721
722void Media::processNewBLOB(IBLOB * bp)
723{
724 Q_UNUSED(bp)
725}
726
727void Media::sendModuleFrame(const QSharedPointer<FITSView> &view)
728{
729 if (Options::ekosLiveImageTransfer() == false || m_sendBlobs == false)
730 return;
731
732 if (qobject_cast<Ekos::Align*>(sender()) == m_Manager->alignModule())
733 sendView(view, "+A");
734 else if (qobject_cast<Ekos::Focus*>(sender()) == m_Manager->focusModule()->mainFocuser())
735 sendView(view, "+F");
736 else if (qobject_cast<Ekos::Guide*>(sender()) == m_Manager->guideModule())
737 sendView(view, "+G");
738 else if (qobject_cast<Ekos::DarkLibrary*>(sender()) == Ekos::DarkLibrary::Instance())
739 sendView(view, "+D");
740}
741}
Ekos::Align
Align class handles plate-solving and polar alignment measurement and correction using astrometry....
Definition align.h:77
Ekos::Align::loadAndSlew
bool loadAndSlew(const QByteArray &image, const QString &extension)
DBUS interface function.
Definition align.cpp:3095
KFormat::formatByteSize
QString formatByteSize(double size, int precision=1, KFormat::BinaryUnitDialect dialect=KFormat::DefaultBinaryDialect, KFormat::BinarySizeUnits units=KFormat::DefaultBinaryUnits) const
KStarsData::skyComposite
SkyMapComposite * skyComposite()
Definition kstarsdata.h:168
KStars::Instance
static KStars * Instance()
Definition kstars.h:121
SkyMapComposite::findByName
SkyObject * findByName(const QString &name, bool exact=true) override
Search the children of this SkyMapComposite for a SkyObject whose name matches the argument.
Definition skymapcomposite.cpp:563
SkyObject
Provides all necessary information about an object in the sky: its coordinates, name(s),...
Definition skyobject.h:42
SkyObject::name
virtual QString name(void) const
Definition skyobject.h:146
SkyObject::type
int type(void) const
Definition skyobject.h:189
SkyPoint
The sky coordinates of a point in the sky.
Definition skypoint.h:45
EkosLive
Generic record interfaces and implementations.
Definition cloud.cpp:22
KItinerary::LocationUtil::geo
GeoCoordinates geo(const QVariant &location)
KMessageBox::error
void error(QWidget *parent, const QString &text, const QString &title, const KGuiItem &buttonOk, Options options=Notify)
KPublicTransport::IfoptUtil::level
QStringView level(QStringView ifopt)
KStandardAction::name
QString name(StandardAction id)
KStandardAction::zoom
QAction * zoom(const QObject *recvr, const char *slot, QObject *parent)
QByteArray::constData
const char * constData() const const
QByteArray::left
QByteArray left(qsizetype len) const const
QByteArray::leftJustified
QByteArray leftJustified(qsizetype width, char fill, bool truncate) const const
QByteArray::mid
QByteArray mid(qsizetype pos, qsizetype len) const const
QByteArray::toHex
QByteArray toHex(char separator) const const
QCryptographicHash::hash
QByteArray hash(QByteArrayView data, Algorithm method)
QDir::separator
QChar separator()
QFile::remove
bool remove()
QImage::Format_ARGB32_Premultiplied
Format_ARGB32_Premultiplied
QImage::fill
void fill(Qt::GlobalColor color)
QImage::height
int height() const const
QImage::save
bool save(QIODevice *device, const char *format, int quality) const const
QImage::scaledToWidth
QImage scaledToWidth(int width, Qt::TransformationMode mode) const const
QImage::setColor
void setColor(int index, QRgb colorValue)
QImage::setColorCount
void setColorCount(int colorCount)
QImage::width
int width() const const
QImageWriter::setCompression
void setCompression(int compression)
QImageWriter::setDevice
void setDevice(QIODevice *device)
QImageWriter::setFormat
void setFormat(const QByteArray &format)
QImageWriter::write
bool write(const QImage &image)
QJsonDocument::fromJson
QJsonDocument fromJson(const QByteArray &json, QJsonParseError *error)
QJsonDocument::object
QJsonObject object() const const
QJsonDocument::toJson
QByteArray toJson(JsonFormat format) const const
QJsonObject::value
QJsonValue value(QLatin1StringView key) const const
QJsonValue::toString
QString toString() const const
QPixmap::copy
QPixmap copy(const QRect &rectangle) const const
QPixmap::rect
QRect rect() const const
QPixmap::save
bool save(QIODevice *device, const char *format, int quality) const const
QPixmap::size
QSize size() const const
QProcess::start
void start(OpenMode mode)
QProcess::waitForFinished
bool waitForFinished(int msecs)
QRect::intersected
QRect intersected(const QRect &rectangle) const const
QRect::moveTo
void moveTo(const QPoint &position)
QRect::setSize
void setSize(const QSize &size)
QString::arg
QString arg(Args &&... args) const const
QString::number
QString number(double n, char format, int precision)
QString::remove
QString & remove(QChar ch, Qt::CaseSensitivity cs)
QString::toLatin1
QByteArray toLatin1() const const
QString::toLower
QString toLower() const const
Qt::FastTransformation
FastTransformation
Qt::center
QTextStream & center(QTextStream &stream)
QtConcurrent::run
QFuture< T > run(Function function,...)
QtFuture::connect
QFuture< ArgsType< Signal > > connect(Sender *sender, Signal signal)
QUuid::createUuid
QUuid createUuid()
QUuid::toString
QString toString(StringFormat mode) const const
This file is part of the KDE documentation.
Documentation copyright © 1996-2024 The KDE developers.
Generated on Fri Dec 13 2024 11:47:11 by doxygen 1.12.0 written by Dimitri van Heesch, © 1997-2006

KDE's Doxygen guidelines are available online.