18 #ifndef MLTCONTROLLER_H
19 #define MLTCONTROLLER_H
21 #include "transportcontrol.h"
26 #include <QScopedPointer>
28 #include <QTemporaryFile>
31 #define MLT_LC_CATEGORY LC_ALL
32 #define MLT_LC_NAME "LC_ALL"
34 #if LIBMLT_VERSION_INT >= ((7 << 16) + (19 << 8))
35 #define kAudioIndexProperty "astream"
36 #define kVideoIndexProperty "vstream"
38 #define kAudioIndexProperty "audio_index"
39 #define kVideoIndexProperty "video_index"
44 const int kMaxImageDurationSecs = 3600 * 4;
45 extern const QString XmlMimeType;
47 class TransportControl :
public TransportControllable
51 void play(
double speed = 1.0)
override;
52 void pause(
int position = -1)
override;
54 void seek(
int position)
override;
55 void rewind(
bool forceChangeDirection)
override;
56 void fastForward(
bool forceChangeDirection)
override;
57 void previous(
int currentPosition)
override;
58 void next(
int currentPosition)
override;
59 void setIn(
int)
override;
60 void setOut(
int)
override;
67 virtual int reconfigure(
bool isMulti) = 0;
71 FILTER_INDEX_ALL = -1,
72 FILTER_INDEX_ENABLED = -2,
75 static Controller &singleton(QObject *parent =
nullptr);
76 virtual ~Controller();
77 static void destroy();
79 virtual QObject *videoWidget() = 0;
80 virtual int setProducer(Mlt::Producer *,
bool isMulti =
false);
81 virtual int open(
const QString &url,
const QString &urlToSave,
bool skipConvert =
false);
82 bool openXML(
const QString &filename);
84 virtual int displayWidth()
const = 0;
85 virtual int displayHeight()
const = 0;
88 virtual void play(
double speed = 1.0);
89 bool isPaused()
const;
90 virtual void pause(
int position = -1);
92 bool enableJack(
bool enable =
true);
93 void setVolume(
double volume,
bool muteOnPause =
true);
94 double volume()
const;
95 void onWindowResize();
96 virtual void seek(
int position);
97 virtual void refreshConsumer(
bool scrubAudio =
false);
98 bool saveXML(
const QString &filename,
99 Service *service =
nullptr,
100 bool withRelativePaths =
true,
101 QTemporaryFile *tempFile =
nullptr,
103 QString projectNote = QString());
104 QString XML(Service *service =
nullptr,
bool withProfile =
false,
bool withMetadata =
true);
105 int consumerChanged();
106 void setProfile(
const QString &profile_name);
107 void setAudioChannels(
int audioChannels);
108 QString resource()
const;
109 bool isSeekable(Mlt::Producer *p =
nullptr)
const;
110 bool isLiveProducer(Mlt::Producer *p =
nullptr)
const;
112 bool isClosedClip(Producer *producer =
nullptr)
const;
113 bool isSeekableClip();
114 bool isPlaylist()
const;
115 bool isMultitrack()
const;
116 bool isImageProducer(Service *service)
const;
117 bool isFileProducer(Service *service)
const;
118 void rewind(
bool forceChangeDirection);
119 void fastForward(
bool forceChangeDirection);
120 void previous(
int currentPosition);
121 void next(
int currentPosition);
124 void fixLengthProperties(Service &service);
125 void restart(
const QString &xml =
"");
127 QImage image(Frame *frame,
int width,
int height);
128 QImage image(Mlt::Producer &producer,
int frameNumber,
int width,
int height);
129 void updateAvformatCaching(
int trackCount);
130 bool isAudioFilter(
const QString &name);
131 int realTime()
const;
132 void setImageDurationFromDefault(Service *service)
const;
133 void setDurationFromDefault(Producer *service)
const;
134 void lockCreationTime(Producer *producer)
const;
135 Producer *setupNewProducer(Producer *newProducer)
const;
136 QUuid uuid(Mlt::Properties &properties)
const;
137 void setUuid(Mlt::Properties &properties, QUuid uid)
const;
138 QUuid ensureHasUuid(Mlt::Properties &properties)
const;
139 static void copyFilters(Mlt::Producer &fromProducer,
140 Mlt::Producer &toProducer,
141 bool fromClipboard =
false,
142 int filterIndex = FILTER_INDEX_ENABLED);
143 void copyFilters(Mlt::Producer *producer =
nullptr,
int filterIndex = FILTER_INDEX_ENABLED);
144 void pasteFilters(Mlt::Producer *producer =
nullptr, Mlt::Producer *fromProducer =
nullptr);
145 static void adjustFilters(Mlt::Producer &producer,
int startIndex = 0);
146 static void adjustFilter(
147 Mlt::Filter *filter,
int in,
int out,
int inDelta,
int outDelta,
int keyframeDelta);
148 static void adjustClipFilters(
149 Mlt::Producer &producer,
int in,
int out,
int inDelta,
int outDelta,
int keyframeDelta);
150 bool hasFiltersOnClipboard()
const
152 return m_filtersClipboard->is_valid() && m_filtersClipboard->filter_count() > 0;
154 QString filtersClipboardXML() {
return XML(m_filtersClipboard.get()); }
156 int audioChannels()
const {
return m_audioChannels; }
157 Mlt::Repository *repository()
const {
return m_repo; }
158 Mlt::Profile &profile() {
return m_profile; }
159 Mlt::Profile &previewProfile() {
return m_previewProfile; }
160 Mlt::Producer *producer()
const {
return m_producer.data(); }
161 Mlt::Consumer *consumer()
const {
return m_consumer.data(); }
162 const QString &URL()
const {
return m_url; }
163 const TransportControllable *transportControl()
const {
return &m_transportControl; }
164 Mlt::Producer *savedProducer()
const {
return m_savedProducer.data(); }
165 void setSavedProducer(Mlt::Producer *producer);
166 static Mlt::Filter *getFilter(
const QString &name, Mlt::Service *service);
167 QString projectFolder()
const {
return m_projectFolder; }
168 void setProjectFolder(
const QString &folderName);
169 QChar decimalPoint();
170 static void resetLocale();
171 static int filterIn(Mlt::Playlist &playlist,
int clipIndex);
172 static int filterOut(Mlt::Playlist &playlist,
int clipIndex);
173 void setPreviewScale(
int scale);
174 void updatePreviewProfile();
175 static void purgeMemoryPool();
176 static bool fullRange(Mlt::Producer &producer);
177 static bool isMltXml(
const QString &s) {
return s.contains(
"<mlt "); }
178 static bool isTrackProducer(Mlt::Producer &producer);
179 static int checkFile(
const QString &path);
180 bool blockRefresh(
bool block);
185 RefreshBlocker() { singleton().blockRefresh(
true); }
186 ~RefreshBlocker() { singleton().blockRefresh(
false); }
190 Mlt::Repository *m_repo;
191 QScopedPointer<Mlt::Producer> m_producer;
192 QScopedPointer<Mlt::FilteredConsumer> m_consumer;
195 Mlt::Profile m_profile;
196 Mlt::Profile m_previewProfile;
197 int m_audioChannels{2};
198 QScopedPointer<Mlt::Filter> m_jackFilter;
200 double m_volume{1.0};
201 TransportControl m_transportControl;
202 QScopedPointer<Mlt::Producer> m_savedProducer;
203 QScopedPointer<Mlt::Producer> m_filtersClipboard;
204 unsigned m_skipJackEvents{0};
205 QString m_projectFolder;
206 QMutex m_saveXmlMutex;
209 static void on_jack_started(mlt_properties owner,
void *
object, mlt_event_data data);
210 void onJackStarted(
int position);
211 static void on_jack_stopped(mlt_properties owner,
void *
object, mlt_event_data data);
212 void onJackStopped(
int position);
214 void initFiltersClipboard();
219 #define MLT Mlt::Controller::singleton()