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trying to use mpv as a thumbnailing utility

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This commit is contained in:
Chris Cochrun 2023-02-07 15:25:51 -06:00
parent fb9d551f6b
commit 1b55be29e5
5 changed files with 48 additions and 31 deletions
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12
src/cpp/mpv/mpvobject.cpp
View file

@ -533,7 +533,7 @@ void MpvObject::seek(double pos)
{
// qDebug() << "seek" << pos;
pos = qMax(0.0, qMin(pos, m_duration));
commandAsync(QVariantList() << "seek" << pos << "absolute");
command(QVariantList() << "seek" << pos << "absolute");
}
void MpvObject::loadFile(QVariant urls)
@ -542,9 +542,13 @@ void MpvObject::loadFile(QVariant urls)
command(QVariantList() << "loadfile" << urls);
}
void MpvObject::screenshotToFile(QUrl url) {
QString file = url.path() + ".jpg";
commandAsync(QVariantList() << "screenshot-to-file" << file << "video");
void MpvObject::screenshotToFile(QString file) {
command(QVariantList() << "show-progress");
command(QVariantList() << "screenshot-to-file" << file << "video");
command(QVariantList() << "show-progress");
qDebug() << "screenshot-to-file" << file << "video";
qDebug() << "screenshot made: " << file;
quit();
}
void MpvObject::subAdd(QVariant urls)

2
src/cpp/mpv/mpvobject.h
View file

@ -137,7 +137,7 @@ public slots:
void stepForward();
void seek(double pos);
void loadFile(QVariant urls);
void screenshotToFile(QUrl url);
void screenshotToFile(QString file);
void subAdd(QVariant urls);
bool enableAudio() const { return m_enableAudio; }

60
src/cpp/slidemodel.cpp
View file

@ -1,4 +1,5 @@
#include "slidemodel.h"
#include "mpv/mpvobject.h"
#include "serviceitem.h"
#include "slide.h"
#include <qabstractitemmodel.h>
@ -12,6 +13,7 @@
#include <QFile>
#include <QMap>
#include <QTemporaryFile>
#include <QTemporaryDir>
#include <QDir>
#include <QUrl>
#include <QSettings>
@ -645,31 +647,41 @@ void SlideModel::moveRowFromService(const int &fromIndex,
QString SlideModel::thumbnailVideo(QString video, int serviceItemId) {
// if (!writeDir.mkpath(".")) {
// qFatal("Failed to create writable location at %s", qPrintable(writeDir.absolutePath()));
qDebug() << "dir location " << writeDir.absolutePath();
if (!writeDir.mkpath(".")) {
qFatal("Failed to create writable location at %s", qPrintable(writeDir.absolutePath()));
}
QDir dir = writeDir.absolutePath() + "/librepresenter/thumbnails";
qDebug() << "thumbnails dir: " << dir;
QDir absDir = writeDir.absolutePath() + "/librepresenter";
if (!dir.exists()) {
qDebug() << dir.path() << "does not exist";
absDir.mkdir("thumbnails");
}
qDebug() << "@@@@@@@@@@@@@@@@@@@@@";
qDebug() << dir.path();
qDebug() << "@@@@@@@@@@@@@@@@@@@@@";
QFileInfo vid(video);
QString id;
id.setNum(serviceItemId);
QString vidName(vid.fileName() + "-" + id);
qDebug() << vidName;
QString thumbnail = dir.path() + "/" + vidName + ".webp";
QFileInfo thumbnailInfo(dir.path() + "/" + vidName + ".jpg");
qDebug() << thumbnailInfo.filePath();
// if (thumbnail.open(QIODevice::ReadOnly)) {
// qDebug() << "@@@@@@@@@@@@@@@@@@@@@";
// qDebug() << thumbnailInfo.filePath();
// qDebug() << "@@@@@@@@@@@@@@@@@@@@@";
// }
// qDebug() << "Url of screenshot to be taken: " << url;
// QDir dir = writeDir.absolutePath() + "/thumbnails";
// qDebug() << "thumbnails dir: " << dir;
// QDir absDir = writeDir.absolutePath();
// if (!dir.exists())
// absDir.mkdir("thumbnails");
MpvObject *mpv;
mpv->loadFile(video);
mpv->seek(5);
mpv->screenshotToFile(thumbnail);
// mpv.quit();
QTemporaryFile thumbnail = ;
if (thumbnail.open()) {
qDebug() << "@@@@@@@@@@@@@@@@@@@@@";
qDebug() << thumbnail.fileName();
qDebug() << "@@@@@@@@@@@@@@@@@@@@@";
// return thumbnail.fileName();
}
QTemporaryDir dir;
if (dir.isValid()) {
// dir.path() returns the unique directory path
qDebug() << "@@@@@@@@@@@@@@@@@@@@@";
qDebug() << dir.path();
qDebug() << "@@@@@@@@@@@@@@@@@@@@@";
}
return thumbnailInfo.filePath();
}

2
src/cpp/slidemodel.h
View file

@ -79,7 +79,7 @@ public:
Q_INVOKABLE QVariantMap getItem(int index) const;
Q_INVOKABLE QVariantList getItems();
Q_INVOKABLE int findSlideIdFromServItm(int index);
Q_INVOKABLE void thumbnailVideo(QString video, int serviceItemId);
Q_INVOKABLE QString thumbnailVideo(QString video, int serviceItemId);
public slots: