diff --git a/libs/threadimageio/videothumbnailer.cpp b/libs/threadimageio/videothumbnailer.cpp index 38100c4024..7602554407 100644 --- a/libs/threadimageio/videothumbnailer.cpp +++ b/libs/threadimageio/videothumbnailer.cpp @@ -1,311 +1,314 @@ /* ============================================================ * * This file is a part of digiKam project * http://www.digikam.org * * Date : 2016-04-21 * Description : QtAV based video thumbnailer * * Copyright (C) 2016-2018 by Gilles Caulier * * 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, 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. * * ============================================================ */ #include "videothumbnailer.h" // Qt includes #include #include #include #include // QtAV includes #include #include #include // Local includes #include "metaengine_rotation.h" #include "thumbnailsize.h" #include "digikam_debug.h" #include "dmetadata.h" namespace Digikam { static uchar sprocket_large_png[] = { 0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a, 0x00, 0x00, 0x00, 0x0d, 0x49, 0x48, 0x44, 0x52, 0x00, 0x00, 0x00, 0x15, 0x00, 0x00, 0x00, 0x0f, 0x08, 0x06, 0x00, 0x00, 0x00, 0x0b, 0x5a, 0x84, 0x6b, 0x00, 0x00, 0x00, 0x06, 0x62, 0x4b, 0x47, 0x44, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0xa0, 0xbd, 0xa7, 0x93, 0x00, 0x00, 0x00, 0x09, 0x70, 0x48, 0x59, 0x73, 0x00, 0x00, 0x0b, 0x0e, 0x00, 0x00, 0x0b, 0x0e, 0x01, 0x40, 0xbe, 0xe1, 0x41, 0x00, 0x00, 0x00, 0x07, 0x74, 0x49, 0x4d, 0x45, 0x07, 0xd6, 0x06, 0x1d, 0x08, 0x25, 0x03, 0x5a, 0x69, 0xff, 0x95, 0x00, 0x00, 0x02, 0x4a, 0x49, 0x44, 0x41, 0x54, 0x78, 0xda, 0x45, 0x93, 0x4d, 0x2b, 0xf5, 0x41, 0x18, 0xc6, 0x7f, 0xc7, 0xb9, 0xbd, 0xbf, 0x53, 0x38, 0x84, 0x28, 0x59, 0x49, 0x3d, 0x3b, 0x65, 0xc7, 0xea, 0x2c, 0x64, 0x65, 0x23, 0xf9, 0x3a, 0x16, 0xbe, 0x80, 0x94, 0x4f, 0x20, 0x14, 0x59, 0xe8, 0xf9, 0x06, 0x3c, 0x1b, 0x2c, 0xc8, 0x42, 0x88, 0xbc, 0xe6, 0xf5, 0x78, 0xe7, 0x3c, 0xae, 0xae, 0x26, 0x53, 0xd3, 0xcc, 0xfc, 0xff, 0x33, 0xbf, 0xfb, 0xbe, 0xae, 0xb9, 0x27, 0xc3, 0xc0, 0xc0, 0x3f, 0xf2, 0xf9, 0x3f, 0xb4, 0xb5, 0xc1, 0xc2, 0x02, 0x64, 0x32, 0x90, 0xcb, 0xc1, 0xf5, 0x35, 0x94, 0x94, 0x40, 0x63, 0x23, 0x3c, 0x3f, 0xc3, 0xe3, 0x23, 0x34, 0x34, 0x40, 0xb1, 0x08, 0xb7, 0xb7, 0x50, 0x5e, 0x0e, 0xd9, 0x2c, 0xbc, 0xbc, 0xf8, 0xdb, 0xd8, 0x18, 0xd4, 0xd7, 0xc3, 0xfa, 0x3a, 0x19, 0xfa, 0xfb, 0xff, 0xfe, 0x80, 0x46, 0x48, 0x6d, 0x78, 0x18, 0x4a, 0x4b, 0xa1, 0xb9, 0x19, 0xca, 0xca, 0xe0, 0xe9, 0x09, 0x6a, 0x6a, 0xa0, 0xae, 0x0e, 0x6e, 0x6e, 0xe0, 0xeb, 0x4b, 0x6b, 0x07, 0x79, 0x78, 0x30, 0x78, 0x63, 0x03, 0x52, 0xeb, 0xe9, 0x21, 0xa8, 0xad, 0x1d, 0x21, 0x82, 0x9f, 0x11, 0x0e, 0x0f, 0xbd, 0x39, 0x9f, 0x87, 0xca, 0x4a, 0xc1, 0x3d, 0x7a, 0xee, 0x20, 0x1f, 0x1f, 0xf0, 0xf9, 0x09, 0xef, 0xef, 0xf0, 0xf6, 0x06, 0xab, 0xab, 0x5e, 0xb7, 0xb6, 0x42, 0x45, 0x05, 0x54, 0x57, 0x13, 0x34, 0x35, 0x41, 0x77, 0x37, 0x74, 0x74, 0xc0, 0xfe, 0xbe, 0x01, 0x55, 0x55, 0x3e, 0xf4, 0x7b, 0x58, 0xdf, 0x7d, 0x28, 0xc2, 0x70, 0x07, 0x91, 0x25, 0xde, 0x33, 0x38, 0x68, 0x35, 0x9b, 0x9b, 0x04, 0xca, 0x6c, 0x6d, 0x0d, 0x40, 0x1e, 0x6a, 0x93, 0x7e, 0xca, 0x2b, 0xc1, 0x0c, 0x2e, 0x14, 0x34, 0x37, 0xd4, 0xdd, 0xc0, 0x08, 0xed, 0xb5, 0x25, 0xcb, 0xcb, 0x66, 0xb4, 0xb4, 0x10, 0xf4, 0xf5, 0xd9, 0x60, 0x65, 0x2c, 0x6f, 0xe4, 0x93, 0xc0, 0x3a, 0xf4, 0xfa, 0x2a, 0xb8, 0xc0, 0xee, 0x77, 0x77, 0x52, 0xa1, 0x00, 0xba, 0x28, 0xc3, 0xcf, 0xcf, 0xbd, 0x1e, 0x1a, 0x42, 0x6a, 0x74, 0x89, 0x81, 0x3e, 0x44, 0x68, 0xb3, 0x0e, 0x2a, 0x5b, 0x07, 0x31, 0x54, 0x07, 0x75, 0xfb, 0x92, 0xe8, 0x00, 0x56, 0xa0, 0xff, 0x1e, 0x93, 0xc7, 0x89, 0x71, 0x79, 0x49, 0x70, 0x74, 0x04, 0x3b, 0x3b, 0xe0, 0x66, 0xc3, 0x2d, 0xcd, 0xa3, 0xa5, 0x1a, 0x16, 0x91, 0x40, 0x29, 0x90, 0xbc, 0xb5, 0x7c, 0x57, 0x00, 0xba, 0xf0, 0x40, 0x52, 0x47, 0x47, 0xa1, 0xab, 0x0b, 0xe6, 0xe6, 0x5c, 0x9f, 0xc5, 0xa2, 0x32, 0xd6, 0x4d, 0xa6, 0x00, 0x92, 0x2b, 0x79, 0x82, 0xb9, 0x67, 0x32, 0x82, 0xc9, 0x12, 0x07, 0x1a, 0x1f, 0xb7, 0xc2, 0xad, 0x2d, 0x02, 0x6d, 0xdc, 0xdd, 0x85, 0xd3, 0x53, 0x65, 0xa0, 0xf4, 0x55, 0x56, 0x82, 0x18, 0x98, 0xcd, 0x0a, 0xee, 0xb5, 0x65, 0x27, 0x05, 0xc9, 0x0e, 0x9f, 0xdb, 0xde, 0x46, 0xf2, 0xb5, 0x2f, 0x38, 0x39, 0x81, 0x83, 0x03, 0x70, 0x53, 0x61, 0xab, 0xc8, 0x3d, 0x2a, 0xa0, 0x60, 0xce, 0x54, 0xd9, 0x4b, 0xae, 0xe6, 0xf2, 0x5b, 0x70, 0xd9, 0x65, 0x65, 0x7b, 0x7b, 0xa8, 0xa9, 0x3c, 0x83, 0xef, 0x6f, 0x98, 0x98, 0xb0, 0xfc, 0xd9, 0x59, 0x3f, 0xc1, 0x8b, 0x0b, 0x49, 0x54, 0x86, 0xee, 0x2e, 0xa3, 0xe4, 0x73, 0xaa, 0x53, 0xaf, 0x65, 0x9f, 0xda, 0xd4, 0x94, 0xe7, 0x2b, 0x2b, 0x04, 0xed, 0xed, 0xb0, 0xb4, 0xe4, 0x37, 0xae, 0x76, 0x75, 0xa5, 0x2e, 0x59, 0x02, 0xca, 0x78, 0xc9, 0x52, 0xf7, 0x3a, 0xc2, 0x40, 0x2b, 0xb0, 0xa7, 0x6a, 0x8b, 0x8b, 0x56, 0xd6, 0xdb, 0x4b, 0x70, 0x76, 0xa6, 0x92, 0x30, 0xc8, 0x0f, 0x40, 0xd9, 0xca, 0x3f, 0x83, 0x0b, 0x05, 0x59, 0xa1, 0xae, 0xb5, 0xe1, 0xe9, 0xd9, 0xa6, 0xe7, 0x0d, 0xbf, 0xfe, 0xe6, 0x72, 0x04, 0xc7, 0xc7, 0x30, 0x39, 0x09, 0x9d, 0x9d, 0x30, 0x33, 0x03, 0xb2, 0xe3, 0xfe, 0x5e, 0x50, 0xf9, 0x26, 0x80, 0x46, 0xd9, 0x61, 0xb0, 0x2d, 0x49, 0x97, 0xa2, 0x17, 0xe5, 0x4a, 0x98, 0x9e, 0xb6, 0xda, 0xf9, 0x79, 0xfe, 0x03, 0xe1, 0xc7, 0xff, 0x96, 0xed, 0xf6, 0x1b, 0x9f, 0x00, 0x00, 0x00, 0x00, 0x49, 0x45, 0x4e, 0x44, 0xae, 0x42, 0x60, 0x82 }; static int sprocket_large_png_len = 701; class VideoThumbnailer::Private { public: Private() { createStrip = false; exifRotate = false; audioFile = false; thumbSize = ThumbnailSize::Huge; position = 0; duration = 0; extractor = 0; } bool createStrip; bool exifRotate; bool audioFile; int thumbSize; qint64 position; qint64 duration; QString file; QString name; QImage strip; VideoFrameExtractor* extractor; }; VideoThumbnailer::VideoThumbnailer(QObject* const parent) : QObject(parent), d(new Private) { d->extractor = new VideoFrameExtractor(); d->extractor->setAutoExtract(false); connect(d->extractor, SIGNAL(frameExtracted(QtAV::VideoFrame)), this, SLOT(slotFrameExtracted(QtAV::VideoFrame))); #if QTAV_VERSION > QTAV_VERSION_CHK(1, 12, 0) + connect(d->extractor, SIGNAL(aborted(QString)), + this, SLOT(slotFrameError())); + connect(d->extractor, SIGNAL(error(QString)), this, SLOT(slotFrameError())); #else connect(d->extractor, SIGNAL(error()), this, SLOT(slotFrameError())); #endif d->strip = QImage::fromData(sprocket_large_png, sprocket_large_png_len, "PNG"); } VideoThumbnailer::~VideoThumbnailer() { if (d->extractor) { d->extractor->deleteLater(); } delete d; } void VideoThumbnailer::slotGetThumbnail(const QString& file, int size, bool strip, bool rotate) { d->createStrip = strip; d->exifRotate = rotate; if (size < ThumbnailSize::Step || size > ThumbnailSize::HD) { qCDebug(DIGIKAM_GENERAL_LOG) << "Invalid video thumbnail size : " << size; d->thumbSize = ThumbnailSize::Huge; } else { d->thumbSize = size; } if (!QFile::exists(file)) { qCDebug(DIGIKAM_GENERAL_LOG) << "Video file " << file << " does not exist."; emit signalThumbnailFailed(file); return; } QMimeDatabase mimeDB; d->file = file; d->name = QUrl::fromLocalFile(d->file).fileName(); bool video = mimeDB.mimeTypeForFile(d->file).name().startsWith(QLatin1String("video/")); d->audioFile = mimeDB.mimeTypeForFile(d->file).name().startsWith(QLatin1String("audio/mpeg")); if (!video && !d->audioFile) { qCDebug(DIGIKAM_GENERAL_LOG) << "Mime type is not video or audio/mpeg from " << d->name; emit signalThumbnailFailed(d->file); return; } AVDemuxer demuxer; demuxer.setMedia(d->file); if (!demuxer.load()) { qCDebug(DIGIKAM_GENERAL_LOG) << "Video cannot loaded from " << d->name; emit signalThumbnailFailed(d->file); return; } d->duration = demuxer.duration(); demuxer.unload(); if (d->duration <= 0) { qCDebug(DIGIKAM_GENERAL_LOG) << "Video has no valid duration for " << d->name; emit signalThumbnailFailed(d->file); return; } qCDebug(DIGIKAM_GENERAL_LOG) << "Video duration for " << d->name << "is " << d->duration << " seconds"; d->position = 0; tryExtractVideoFrame(); } void VideoThumbnailer::tryExtractVideoFrame() { d->position += (qint64)(d->duration * 0.2); if (d->position >= d->duration) { qCDebug(DIGIKAM_GENERAL_LOG) << "Problem while video data extraction from " << d->name; emit signalThumbnailFailed(d->file); return; } qCDebug(DIGIKAM_GENERAL_LOG) << "Trying to get thumbnail from " << d->name << " at position " << d->position; d->extractor->setSource(d->file); d->extractor->setPosition(d->position); d->extractor->extract(); } void VideoThumbnailer::slotFrameError() { if (d->audioFile) { qCDebug(DIGIKAM_GENERAL_LOG) << "Audio file has no embedded image for " << d->name; emit signalThumbnailFailed(d->file); return; } tryExtractVideoFrame(); } void VideoThumbnailer::slotFrameExtracted(const QtAV::VideoFrame& frame) { QImage img = frame.toImage(); if (!img.isNull()) { img = img.scaled(d->thumbSize, d->thumbSize, Qt::KeepAspectRatio, Qt::SmoothTransformation); if (d->exifRotate) { DMetadata meta(d->file); int orientation = meta.getImageOrientation(); if (orientation != DMetadata::ORIENTATION_NORMAL && orientation != DMetadata::ORIENTATION_UNSPECIFIED) { QMatrix matrix = MetaEngineRotation::toMatrix((MetaEngine::ImageOrientation)orientation); img = img.transformed(matrix); } } if (d->createStrip && img.width() > d->strip.width() && img.height() > d->strip.height()) { // Add a video strip on the left side of video thumb. for (int y = 0 ; y < img.height() ; y += d->strip.height()) { for (int ys = 0 ; ys < d->strip.height() ; ys++) { int pos = y + ys; if (pos < img.height()) { memcpy((void*)img.constScanLine(pos), (void*)d->strip.constScanLine(ys), d->strip.bytesPerLine()); } } } } qCDebug(DIGIKAM_GENERAL_LOG) << "Video frame extracted with size " << img.size(); emit signalThumbnailDone(d->file, img.copy()); } else { qCDebug(DIGIKAM_GENERAL_LOG) << "Video frame is null from " << d->name; emit signalThumbnailFailed(d->file); } } } // namespace Digikam