doxygen/mlt__producer_8h_source.html

 #ifndef MLT_PRODUCER_H

 #define MLT_PRODUCER_H


 #include "mlt_filter.h"

 #include "mlt_profile.h"

 #include "mlt_service.h"


 struct mlt_producer_s

 {

     struct mlt_service_s parent;


     int (*get_frame)(mlt_producer, mlt_frame_ptr, int);


     int (*seek)(mlt_producer, mlt_position);


     int (*set_in_and_out)(mlt_producer, mlt_position, mlt_position);


     mlt_destructor close;

     void *close_object;

     void *local;

     void *child;

 };


 /*

  *  Public final methods

  */


 #define MLT_PRODUCER_SERVICE(producer) (&(producer)->parent)

 #define MLT_PRODUCER_PROPERTIES(producer) MLT_SERVICE_PROPERTIES(MLT_PRODUCER_SERVICE(producer))


 extern int mlt_producer_init(mlt_producer self, void *child);

 extern mlt_producer mlt_producer_new(mlt_profile);

 extern mlt_service mlt_producer_service(mlt_producer self);

 extern mlt_properties mlt_producer_properties(mlt_producer self);

 extern int mlt_producer_seek(mlt_producer self, mlt_position position);

 extern int mlt_producer_seek_time(mlt_producer self, const char *time);

 extern mlt_position mlt_producer_position(mlt_producer self);

 extern mlt_position mlt_producer_frame(mlt_producer self);

 char *mlt_producer_frame_time(mlt_producer self, mlt_time_format);

 extern int mlt_producer_set_speed(mlt_producer self, double speed);

 extern double mlt_producer_get_speed(mlt_producer self);

 extern double mlt_producer_get_fps(mlt_producer self);

 extern int mlt_producer_set_in_and_out(mlt_producer self, mlt_position in, mlt_position out);

 extern int mlt_producer_clear(mlt_producer self);

 extern mlt_position mlt_producer_get_in(mlt_producer self);

 extern mlt_position mlt_producer_get_out(mlt_producer self);

 extern mlt_position mlt_producer_get_playtime(mlt_producer self);

 extern mlt_position mlt_producer_get_length(mlt_producer self);

 extern char *mlt_producer_get_length_time(mlt_producer self, mlt_time_format);

 extern void mlt_producer_prepare_next(mlt_producer self);

 extern int mlt_producer_attach(mlt_producer self, mlt_filter filter);

 extern int mlt_producer_detach(mlt_producer self, mlt_filter filter);

 extern mlt_filter mlt_producer_filter(mlt_producer self, int index);

 extern mlt_producer mlt_producer_cut(mlt_producer self, int in, int out);

 extern int mlt_producer_is_cut(mlt_producer self);

 extern int mlt_producer_is_mix(mlt_producer self);

 extern int mlt_producer_is_blank(mlt_producer self);

 extern mlt_producer mlt_producer_cut_parent(mlt_producer self);

 extern int mlt_producer_optimise(mlt_producer self);

 extern void mlt_producer_close(mlt_producer self);

 int64_t mlt_producer_get_creation_time(mlt_producer self);

 void mlt_producer_set_creation_time(mlt_producer self, int64_t creation_time);

 extern int mlt_producer_probe(mlt_producer self);


 #endif

mlt_filter.h
abstraction for all filter services

mlt_profile.h
video output definition

mlt_service.h
interface declaration for all service classes

mlt_time_format
mlt_time_format
The time string formats.
Definition: mlt_types.h:134

mlt_position
int32_t mlt_position
Definition: mlt_types.h:217

mlt_frame_ptr
struct mlt_frame_s ** mlt_frame_ptr
pointer to Frame object
Definition: mlt_types.h:243

mlt_producer
struct mlt_producer_s * mlt_producer
pointer to Producer object
Definition: mlt_types.h:248

mlt_destructor
void(* mlt_destructor)(void *)
pointer to destructor function
Definition: mlt_types.h:269

mlt_filter_s
Filter abstract service class.
Definition: mlt_filter.h:40

mlt_producer_s
Producer abstract service class.
Definition: mlt_producer.h:70

mlt_producer_s::mlt_producer_get_speed
double mlt_producer_get_speed(mlt_producer self)
Get the playing speed.
Definition: mlt_producer.c:452

mlt_producer_s::mlt_producer_get_playtime
mlt_position mlt_producer_get_playtime(mlt_producer self)
Get the total play time.
Definition: mlt_producer.c:575

mlt_producer_s::mlt_producer_attach
int mlt_producer_attach(mlt_producer self, mlt_filter filter)
Attach a filter.
Definition: mlt_producer.c:768

mlt_producer_s::mlt_producer_get_out
mlt_position mlt_producer_get_out(mlt_producer self)
Get the out point.
Definition: mlt_producer.c:563

mlt_producer_s::mlt_producer_set_speed
int mlt_producer_set_speed(mlt_producer self, double speed)
Set the playing speed.
Definition: mlt_producer.c:440

mlt_producer_s::mlt_producer_seek
int mlt_producer_seek(mlt_producer self, mlt_position position)
Seek to a specified position.
Definition: mlt_producer.c:338

mlt_producer_s::mlt_producer_frame
mlt_position mlt_producer_frame(mlt_producer self)
Get the current position (relative to start of producer).
Definition: mlt_producer.c:414

mlt_producer_s::mlt_producer_is_cut
int mlt_producer_is_cut(mlt_producer self)
Determine if producer is a cut.
Definition: mlt_producer.c:197

mlt_producer_s::mlt_producer_detach
int mlt_producer_detach(mlt_producer self, mlt_filter filter)
Detach a filter.
Definition: mlt_producer.c:781

mlt_producer_s::mlt_producer_get_length_time
char * mlt_producer_get_length_time(mlt_producer self, mlt_time_format format)
Get the total, unedited length of the producer as a time string.
Definition: mlt_producer.c:604

mlt_producer_s::mlt_producer_frame_time
char * mlt_producer_frame_time(mlt_producer self, mlt_time_format format)
Get the current position (relative to start of producer) as a time string.
Definition: mlt_producer.c:427

mlt_producer_s::close
mlt_destructor close
the destructor virtual function
Definition: mlt_producer.h:101

mlt_producer_s::mlt_producer_get_in
mlt_position mlt_producer_get_in(mlt_producer self)
Get the in point.
Definition: mlt_producer.c:551

mlt_producer_s::local
void * local
instance object
Definition: mlt_producer.h:104

mlt_producer_s::mlt_producer_probe
int mlt_producer_probe(mlt_producer self)
Probe the producer to publish metadata properties.
Definition: mlt_producer.c:1296

mlt_producer_s::mlt_producer_cut
mlt_producer mlt_producer_cut(mlt_producer self, int in, int out)
Create a cut of this producer.
Definition: mlt_producer.c:266

mlt_producer_s::mlt_producer_clear
int mlt_producer_clear(mlt_producer self)
Physically reduce the producer (typically a cut) to a 0 length.
Definition: mlt_producer.c:532

mlt_producer_s::mlt_producer_filter
mlt_filter mlt_producer_filter(mlt_producer self, int index)
Retrieve a filter.
Definition: mlt_producer.c:794

mlt_producer_s::mlt_producer_cut_parent
mlt_producer mlt_producer_cut_parent(mlt_producer self)
Obtain the parent producer.
Definition: mlt_producer.c:245

mlt_producer_s::mlt_producer_optimise
int mlt_producer_optimise(mlt_producer self)
Optimise for overlapping cuts from the same clip.
Definition: mlt_producer.c:1009

mlt_producer_s::mlt_producer_seek_time
int mlt_producer_seek_time(mlt_producer self, const char *time)
Seek to a specified time string.
Definition: mlt_producer.c:388

mlt_producer_s::seek
int(* seek)(mlt_producer, mlt_position)
Seek to a specified position (virtual function).
Definition: mlt_producer.h:89

mlt_producer_s::get_frame
int(* get_frame)(mlt_producer, mlt_frame_ptr, int)
Get a frame of data (virtual function).
Definition: mlt_producer.h:81

mlt_producer_s::mlt_producer_is_blank
int mlt_producer_is_blank(mlt_producer self)
Determine if the producer is a blank.
Definition: mlt_producer.c:227

mlt_producer_s::mlt_producer_properties
mlt_properties mlt_producer_properties(mlt_producer self)
Get the producer properties.
Definition: mlt_producer.c:323

mlt_producer_s::parent
struct mlt_service_s parent
A producer is a service.
Definition: mlt_producer.h:72

mlt_producer_s::close_object
void * close_object
the object supplied to the close virtual function
Definition: mlt_producer.h:102

mlt_producer_s::mlt_producer_is_mix
int mlt_producer_is_mix(mlt_producer self)
Determine if producer is a mix.
Definition: mlt_producer.c:210

mlt_producer_s::mlt_producer_service
mlt_service mlt_producer_service(mlt_producer self)
Get the parent service object.
Definition: mlt_producer.c:310

mlt_producer_s::mlt_producer_close
void mlt_producer_close(mlt_producer self)
Close the producer.
Definition: mlt_producer.c:1092

mlt_producer_s::mlt_producer_get_fps
double mlt_producer_get_fps(mlt_producer self)
Get the frames per second.
Definition: mlt_producer.c:466

mlt_producer_s::mlt_producer_new
mlt_producer mlt_producer_new(mlt_profile profile)
Create and initialize a new producer.
Definition: mlt_producer.c:167

mlt_producer_s::mlt_producer_set_in_and_out
int mlt_producer_set_in_and_out(mlt_producer self, mlt_position in, mlt_position out)
Set the in and out points.
Definition: mlt_producer.c:487

mlt_producer_s::mlt_producer_get_creation_time
int64_t mlt_producer_get_creation_time(mlt_producer self)
Get the creation time for the producer.
Definition: mlt_producer.c:1199

mlt_producer_s::mlt_producer_position
mlt_position mlt_producer_position(mlt_producer self)
Get the current position (relative to in point).
Definition: mlt_producer.c:402

mlt_producer_s::mlt_producer_prepare_next
void mlt_producer_prepare_next(mlt_producer self)
Prepare for next frame.
Definition: mlt_producer.c:618

mlt_producer_s::set_in_and_out
int(* set_in_and_out)(mlt_producer, mlt_position, mlt_position)
Set the in and out points.
Definition: mlt_producer.h:98

mlt_producer_s::mlt_producer_set_creation_time
void mlt_producer_set_creation_time(mlt_producer self, int64_t creation_time)
Set the creation time for the producer.
Definition: mlt_producer.c:1277

mlt_producer_s::mlt_producer_get_length
mlt_position mlt_producer_get_length(mlt_producer self)
Get the total, unedited length of the producer.
Definition: mlt_producer.c:589

mlt_producer_s::child
void * child
the object of a subclass
Definition: mlt_producer.h:105

mlt_producer_s::mlt_producer_init
int mlt_producer_init(mlt_producer self, void *child)
Initialize a producer service.
Definition: mlt_producer.c:59

mlt_profile_s
Profile class.
Definition: mlt_profile.h:35

mlt_properties_s
Properties class.
Definition: mlt_properties.h:40

mlt_service_s
Service abstract base class.
Definition: mlt_service.h:58

mlt_service_s::child
void * child
the object of a subclass
Definition: mlt_service.h:75