Modules

 Internal
 

Not exported functions, for internal usage only.


 Preprocessor String Macros
 

String manipulation macros.


 Library Version Macros
 

Useful to check and match library version in order to maintain backward compatibility.


 Version and Build diagnostics
 

Macros and function useful to check at compiletime and at runtime which version of libavutil is in use.


 Deprecation guards
 

Those FF_API_* defines are not part of public API.


 Constants
 Image related
 

AVPicture types, pixel formats and basic image planes manipulation.


 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 void * av_x_if_null (const void *p, const void *x)
 Return x default pointer in case p is NULL.

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 231 of file avutil.h.


Function Documentation

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.

Definition at line 51 of file utils.c.

Referenced by avcodec_string(), movie_common_init(), opt_output_file(), show_frame(), show_packet(), and show_stream().

static void* av_x_if_null ( const void *  p,
const void *  x 
) [inline, static]

Return x default pointer in case p is NULL.

Definition at line 339 of file avutil.h.

Referenced by parse_script(), and snprint_link_prop().