CuteLogger
Fast and simple logging solution for Qt based applications
findanalysisfilterparser.h
1/*
2 * Copyright (c) 2025 Meltytech, LLC
3 *
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18#ifndef FIND_ANALYSIS_FILTER_PARSER_H
19#define FIND_ANALYSIS_FILTER_PARSER_H
20
21#include "qmltypes/qmlapplication.h"
22
23#include <Mlt.h>
24#include <QFile>
25#include <QList>
26#include <QString>
27
28class FindAnalysisFilterParser : public Mlt::Parser
29{
30private:
31 QList<Mlt::Filter> m_filters;
32 bool m_skipAnalyzed;
33
34public:
35 FindAnalysisFilterParser()
36 : Mlt::Parser()
37 , m_skipAnalyzed(true)
38 {}
39
40 QList<Mlt::Filter> &filters() { return m_filters; }
41
42 void skipAnalyzed(bool skip) { m_skipAnalyzed = skip; }
43
44 int on_start_filter(Mlt::Filter *filter)
45 {
46 QString serviceName = filter->get("mlt_service");
47 if (serviceName == "loudness" || serviceName == "vidstab") {
48 // If the results property does not exist, empty, or file does not exist.
49 QString results = filter->get("results");
50 if (results.isEmpty() || !m_skipAnalyzed) {
51 if (serviceName == "vidstab") {
52 // vidstab requires a filename, which is only available when using a project folder.
53 QString filename = filter->get("filename");
54 if (filename.isEmpty() || filename.endsWith("vidstab.trf")) {
55 filename = QmlApplication::getNextProjectFile("stab");
56 }
57 if (!filename.isEmpty()) {
58 filter->set("filename", filename.toUtf8().constData());
59 m_filters << Mlt::Filter(*filter);
60
61 // Touch file to prevent overwriting the same file
62 QFile file(filename);
63 file.open(QIODevice::WriteOnly);
64 file.resize(0);
65 file.close();
66 }
67 } else {
68 m_filters << Mlt::Filter(*filter);
69 }
70 }
71 }
72 return 0;
73 }
74 int on_start_producer(Mlt::Producer *) { return 0; }
75 int on_end_producer(Mlt::Producer *) { return 0; }
76 int on_start_playlist(Mlt::Playlist *) { return 0; }
77 int on_end_playlist(Mlt::Playlist *) { return 0; }
78 int on_start_tractor(Mlt::Tractor *) { return 0; }
79 int on_end_tractor(Mlt::Tractor *) { return 0; }
80 int on_start_multitrack(Mlt::Multitrack *) { return 0; }
81 int on_end_multitrack(Mlt::Multitrack *) { return 0; }
82 int on_start_track() { return 0; }
83 int on_end_track() { return 0; }
84 int on_end_filter(Mlt::Filter *) { return 0; }
85 int on_start_transition(Mlt::Transition *) { return 0; }
86 int on_end_transition(Mlt::Transition *) { return 0; }
87 int on_start_chain(Mlt::Chain *) { return 0; }
88 int on_end_chain(Mlt::Chain *) { return 0; }
89 int on_start_link(Mlt::Link *) { return 0; }
90 int on_end_link(Mlt::Link *) { return 0; }
91};
92
93#endif // FIND_ANALYSIS_FILTER_PARSER_H