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Common utility functions

Modules

 Internal
 Not exported functions, for internal usage only.
 
 Constants
 
 Image related
 AVPicture types, pixel formats and basic image planes manipulation.
 
 Version and Build diagnostics
 Macros and function useful to check at compiletime and at runtime which version of libavutil is in use.
 
 Media Type
 Media Type.
 

Enumerations

enum  AVMediaType {
  AVMEDIA_TYPE_UNKNOWN = -1, AVMEDIA_TYPE_VIDEO, AVMEDIA_TYPE_AUDIO, AVMEDIA_TYPE_DATA,
  AVMEDIA_TYPE_SUBTITLE, AVMEDIA_TYPE_ATTACHMENT, AVMEDIA_TYPE_NB
}
 

Functions

const char * av_get_media_type_string (enum AVMediaType media_type)
 Return a string describing the media_type enum, NULL if media_type is unknown.
 
static voidav_x_if_null (const void *p, const void *x)
 Return x default pointer in case p is NULL.
 

Detailed Description

Enumeration Type Documentation

Enumerator:
AVMEDIA_TYPE_UNKNOWN 

Usually treated as AVMEDIA_TYPE_DATA.

AVMEDIA_TYPE_VIDEO 
AVMEDIA_TYPE_AUDIO 
AVMEDIA_TYPE_DATA 

Opaque data information usually continuous.

AVMEDIA_TYPE_SUBTITLE 
AVMEDIA_TYPE_ATTACHMENT 

Opaque data information usually sparse.

AVMEDIA_TYPE_NB 

Definition at line 141 of file avutil.h.

Function Documentation

const char* av_get_media_type_string ( enum AVMediaType  media_type)
static void* av_x_if_null ( const void p,
const void x 
)
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