Other

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

Detailed Description

Enumeration Type Documentation

enum AVMediaType

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

)

Return a string describing the media_type enum, NULL if media_type is unknown.

Examples:

doc/examples/demuxing.c.

Definition at line 57 of file utils.c.

Referenced by avcodec_string(), avfilter_link(), avi_write_header(), describe_bufref_to_str(), find_stream(), flv_write_header(), graph_check_validity(), open_codec_context(), open_output_file(), process_input(), report_new_stream(), seg_write_header(), show_frame(), show_packet(), show_stream(), and write_frame().

static void* av_x_if_null ( const void *  p, const void *  x  )

inlinestatic

Return x default pointer in case p is NULL.

Examples:

doc/examples/filtering_audio.c.

Definition at line 250 of file avutil.h.

Referenced by av_buffersrc_add_ref(), av_opt_get(), avcodec_open2(), avfilter_link(), avi_write_header(), compact_print_section_header(), data_open(), default_print_section_header(), device_try_init(), filter_frame(), init(), init_filters(), init_report(), init_video(), match_section(), parse_script(), print_link_prop(), and video_thread().