31 #ifndef OPENSHOT_TIMELINE_H 32 #define OPENSHOT_TIMELINE_H 37 #include <QtGui/QImage> 38 #include <QtGui/QPainter> 152 std::list<Clip*> clips;
153 std::list<Clip*> closing_clips;
154 std::map<Clip*, Clip*> open_clips;
155 std::list<EffectBase*> effects;
157 std::set<FrameMapper*> allocated_frame_mappers;
161 void add_layer(std::shared_ptr<Frame> new_frame,
Clip* source_clip, int64_t clip_frame_number, int64_t timeline_frame_number,
bool is_top_clip,
float max_volume);
164 void apply_mapper_to_clip(
Clip* clip);
167 void apply_json_to_clips(Json::Value change);
168 void apply_json_to_effects(Json::Value change);
169 void apply_json_to_effects(Json::Value change,
EffectBase* existing_effect);
170 void apply_json_to_timeline(Json::Value change);
173 double calculate_time(int64_t number,
Fraction rate);
181 std::vector<Clip*> find_intersecting_clips(int64_t requested_frame,
int number_of_frames,
bool include);
184 std::shared_ptr<Frame> GetOrCreateFrame(
Clip* clip, int64_t number);
187 std::shared_ptr<Frame> apply_effects(std::shared_ptr<Frame> frame, int64_t timeline_frame_number,
int layer);
190 bool isEqual(
double a,
double b);
199 void update_open_clips(
Clip *clip,
bool does_clip_intersect);
216 void AddClip(
Clip* clip);
223 void ApplyMapperToClips();
232 void ClearAllCache();
235 std::list<Clip*>
Clips() {
return clips; };
241 std::list<EffectBase*>
Effects() {
return effects; };
254 std::shared_ptr<Frame> GetFrame(int64_t requested_frame);
268 std::string
Name() {
return "Timeline"; };
272 void SetJson(std::string value);
273 Json::Value JsonValue();
274 void SetJsonValue(Json::Value root);
278 void SetMaxSize(
int width,
int height);
284 void ApplyJsonDiff(std::string value);
291 void RemoveClip(
Clip* clip);
CacheBase * GetCache()
Get the cache object used by this reader.
Header file for Fraction class.
std::list< Clip * > Clips()
Return a list of clips on the timeline.
This abstract class is the base class, used by all effects in libopenshot.
Keyframe viewport_scale
Curve representing the scale of the viewport (0 to 100)
Header file for ReaderBase class.
bool AutoMapClips()
Determine if clips are automatically mapped to the timeline's framerate and samplerate.
Header file for OpenMPUtilities (set some common macros)
Header file for Point class.
This header includes all commonly used effects for libopenshot, for ease-of-use.
Keyframe viewport_y
Curve representing the y coordinate for the viewport.
This abstract class is the base class, used by all readers in libopenshot.
int Layer()
Get layer of clip on timeline (lower number is covered by higher numbers)
Header file for the Keyframe class.
Header file for CacheMemory class.
Header file for CacheBase class.
This class represents a clip (used to arrange readers on the timeline)
Header file for Frame class.
Header file for Clip class.
float Position()
Get position on timeline (in seconds)
bool operator()(Clip *lhs, Clip *rhs)
This class represents a fraction.
Header file for the FrameMapper class.
std::list< EffectBase * > Effects()
Return the list of effects on the timeline.
All cache managers in libopenshot are based on this CacheBase class.
ChannelLayout
This enumeration determines the audio channel layout (such as stereo, mono, 5 point surround...
Header file for global Settings class.
Header file for Color class.
void AutoMapClips(bool auto_map)
Automatically map all clips to the timeline's framerate and samplerate.
bool IsOpen()
Determine if reader is open or closed.
This class represents a color (used on the timeline and clips)
This namespace is the default namespace for all code in the openshot library.
Header file for EffectBase class.
std::string Name()
Return the type name of the class.
Keyframe viewport_x
Curve representing the x coordinate for the viewport.
Header file for CacheDisk class.
Header file for CrashHandler class.
Color color
Background color of timeline canvas.
Header file for the EffectInfo class.
A Keyframe is a collection of Point instances, which is used to vary a number or property over time...
int Order()
Get the order that this effect should be executed.
bool operator()(EffectBase *lhs, EffectBase *rhs)
This class represents a timeline.