doxygen/mlt__profile_8h_source.html

 #ifndef MLT_PROFILE_H

 #define MLT_PROFILE_H


 #include "mlt_types.h"


 struct mlt_profile_s

 {

     char *description;

     int frame_rate_num;

     int frame_rate_den;

     int width;

     int height;

     int progressive;

     int sample_aspect_num;

     int sample_aspect_den;

     int display_aspect_num;

     int display_aspect_den;

     int colorspace;

     int is_explicit;

 };


 extern mlt_profile mlt_profile_init(const char *name);

 extern mlt_profile mlt_profile_load_file(const char *file);

 extern mlt_profile mlt_profile_load_properties(mlt_properties properties);

 extern mlt_profile mlt_profile_load_string(const char *string);

 extern double mlt_profile_fps(mlt_profile profile);

 extern double mlt_profile_sar(mlt_profile profile);

 extern double mlt_profile_dar(mlt_profile profile);

 extern void mlt_profile_close(mlt_profile profile);

 extern mlt_profile mlt_profile_clone(mlt_profile profile);

 extern mlt_properties mlt_profile_list();

 extern void mlt_profile_from_producer(mlt_profile profile, mlt_producer producer);

 extern char *mlt_profile_lumas_dir(mlt_profile profile);

 extern double mlt_profile_scale_width(mlt_profile profile, int width);

 extern double mlt_profile_scale_height(mlt_profile profile, int height);

 #endif

mlt_types.h
Provides forward definitions of all public types.

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

mlt_profile_s
Profile class.
Definition: mlt_profile.h:35

mlt_profile_s::mlt_profile_clone
mlt_profile mlt_profile_clone(mlt_profile profile)
Make a copy of a profile.
Definition: mlt_profile.c:305

mlt_profile_s::mlt_profile_load_properties
mlt_profile mlt_profile_load_properties(mlt_properties properties)
Load a profile from a properties object.
Definition: mlt_profile.c:188

mlt_profile_s::frame_rate_num
int frame_rate_num
the numerator of the video frame rate
Definition: mlt_profile.h:37

mlt_profile_s::progressive
int progressive
a flag to indicate if the video is progressive scan, interlace if not set
Definition: mlt_profile.h:41

mlt_profile_s::frame_rate_den
int frame_rate_den
the denominator of the video frame rate
Definition: mlt_profile.h:38

mlt_profile_s::height
int height
the vertical resolution of the video
Definition: mlt_profile.h:40

mlt_profile_s::mlt_profile_dar
double mlt_profile_dar(mlt_profile profile)
Get the display aspect ratio as floating point value.
Definition: mlt_profile.c:274

mlt_profile_s::colorspace
int colorspace
the Y'CbCr colorspace standard: =601 for ITU-R 601, =709 for ITU-R 709, or =240 for SMPTE240M
Definition: mlt_profile.h:46

mlt_profile_s::width
int width
the horizontal resolution of the video
Definition: mlt_profile.h:39

mlt_profile_s::display_aspect_den
int display_aspect_den
the denominator of the image aspect ratio in case it can not be simply derived (e....
Definition: mlt_profile.h:45

mlt_profile_s::is_explicit
int is_explicit
used internally to indicate if the profile was requested explicitly or computed or defaulted
Definition: mlt_profile.h:47

mlt_profile_s::mlt_profile_lumas_dir
char * mlt_profile_lumas_dir(mlt_profile profile)
Get the lumas subdirectory to use for the aspect ratio.
Definition: mlt_profile.c:436

mlt_profile_s::mlt_profile_scale_width
double mlt_profile_scale_width(mlt_profile profile, int width)
Get the width scale factor.
Definition: mlt_profile.c:471

mlt_profile_s::sample_aspect_den
int sample_aspect_den
the denominator of the pixel aspect ratio
Definition: mlt_profile.h:43

mlt_profile_s::mlt_profile_init
mlt_profile mlt_profile_init(const char *name)
Construct a profile.
Definition: mlt_profile.c:93

mlt_profile_s::display_aspect_num
int display_aspect_num
the numerator of the image aspect ratio in case it can not be simply derived (e.g.
Definition: mlt_profile.h:44

mlt_profile_s::mlt_profile_close
void mlt_profile_close(mlt_profile profile)
Free up the global profile resources.
Definition: mlt_profile.c:288

mlt_profile_s::mlt_profile_load_string
mlt_profile mlt_profile_load_string(const char *string)
Load an anonymous profile from string.
Definition: mlt_profile.c:217

mlt_profile_s::mlt_profile_scale_height
double mlt_profile_scale_height(mlt_profile profile, int height)
Get the height scale factor.
Definition: mlt_profile.c:484

mlt_profile_s::sample_aspect_num
int sample_aspect_num
the numerator of the pixel aspect ratio
Definition: mlt_profile.h:42

mlt_profile_s::description
char * description
a brief description suitable as a label in UI menu
Definition: mlt_profile.h:36

mlt_profile_s::mlt_profile_from_producer
void mlt_profile_from_producer(mlt_profile profile, mlt_producer producer)
Update the profile using the attributes of a producer.
Definition: mlt_profile.c:386

mlt_profile_s::mlt_profile_sar
double mlt_profile_sar(mlt_profile profile)
Get the sample aspect ratio as a floating point value.
Definition: mlt_profile.c:259

mlt_profile_s::mlt_profile_load_file
mlt_profile mlt_profile_load_file(const char *file)
Load a profile from specific file.
Definition: mlt_profile.c:155

mlt_profile_s::mlt_profile_fps
double mlt_profile_fps(mlt_profile profile)
Get the video frame rate as a floating point value.
Definition: mlt_profile.c:244

mlt_profile_s::mlt_profile_list
mlt_properties mlt_profile_list()
Get the list of profiles.
Definition: mlt_profile.c:328

mlt_properties_s
Properties class.
Definition: mlt_properties.h:40