libavutil/avutil.h File Reference

external API header More...

#include "common.h"
#include "error.h"
#include "mathematics.h"
#include "rational.h"
#include "intfloat_readwrite.h"
#include "log.h"
#include "pixfmt.h"

Go to the source code of this file.

Defines
#define	AV_STRINGIFY(s)   AV_TOSTRING(s)
#define	AV_TOSTRING(s)   #s
#define	AV_GLUE(a, b)   a ## b
#define	AV_JOIN(a, b)   AV_GLUE(a, b)
#define	AV_PRAGMA(s)   _Pragma(#s)
#define	AV_VERSION_INT(a, b, c)   (a<<16 | b<<8 | c)
#define	AV_VERSION_DOT(a, b, c)   a ##.## b ##.## c
#define	AV_VERSION(a, b, c)   AV_VERSION_DOT(a, b, c)
#define	LIBAVUTIL_VERSION_MAJOR   50
#define	LIBAVUTIL_VERSION_MINOR   36
#define	LIBAVUTIL_VERSION_MICRO   0
#define	LIBAVUTIL_VERSION_INT
#define	LIBAVUTIL_VERSION
#define	LIBAVUTIL_BUILD   LIBAVUTIL_VERSION_INT
#define	LIBAVUTIL_IDENT   "Lavu" AV_STRINGIFY(LIBAVUTIL_VERSION)
#define	FF_API_OLD_EVAL_NAMES   (LIBAVUTIL_VERSION_MAJOR < 51)
	Those FF_API_* defines are not part of public API.
#define	FF_LAMBDA_SHIFT   7
#define	FF_LAMBDA_SCALE   (1<<FF_LAMBDA_SHIFT)
#define	FF_QP2LAMBDA   118
	factor to convert from H.263 QP to lambda
#define	FF_LAMBDA_MAX   (256*128-1)
#define	FF_QUALITY_SCALE   FF_LAMBDA_SCALE
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
unsigned	avutil_version (void)
	Return the LIBAVUTIL_VERSION_INT constant.
const char *	avutil_configuration (void)
	Return the libavutil build-time configuration.
const char *	avutil_license (void)
	Return the libavutil license.

---

Detailed Description

external API header

Definition in file avutil.h.

---

Define Documentation

#define AV_GLUE	(	a,
		b		)	a ## b

Definition at line 33 of file avutil.h.

#define AV_JOIN	(	a,
		b		)	AV_GLUE(a, b)

Definition at line 34 of file avutil.h.

#define AV_PRAGMA

(

s

)

_Pragma(#s)

Definition at line 36 of file avutil.h.

#define AV_STRINGIFY

(

s

)

AV_TOSTRING(s)

Definition at line 30 of file avutil.h.

Referenced by hcscale_fast_TMPL(), idct_col(), mmx_row(), mmx_row_mid(), mmx_row_tail(), mmxext_row(), mmxext_row_mid(), mmxext_row_tail(), mxf_write_identification(), read_header(), sdp_write_header(), sws_init_context(), and yuv2yuvX_TMPL().

#define AV_TOSTRING

(

s

)

#s

Definition at line 31 of file avutil.h.

#define AV_VERSION	(	a,
		b,
		c		)	AV_VERSION_DOT(a, b, c)

Definition at line 40 of file avutil.h.

#define AV_VERSION_DOT	(	a,
		b,
		c		)	a ##.## b ##.## c

Definition at line 39 of file avutil.h.

#define AV_VERSION_INT	(	a,
		b,
		c		)	(a<<16 | b<<8 | c)

Definition at line 38 of file avutil.h.

#define FF_API_OLD_EVAL_NAMES   (LIBAVUTIL_VERSION_MAJOR < 51)

Those FF_API_* defines are not part of public API.

They may change, break or disappear at any time.

Definition at line 61 of file avutil.h.

#define FF_LAMBDA_MAX   (256*128-1)

Definition at line 92 of file avutil.h.

Referenced by get_qminmax().

#define FF_LAMBDA_SCALE   (1<<FF_LAMBDA_SHIFT)

Definition at line 90 of file avutil.h.

Referenced by encode_frame(), ff_init_qscale_tab(), svq1_encode_plane(), and update_qscale().

#define FF_LAMBDA_SHIFT   7

Definition at line 89 of file avutil.h.

Referenced by dct_quantize_refine(), dct_quantize_trellis_c(), encode_frame(), encode_mb_hq(), encode_q_branch(), estimate_best_b_count(), ff_estimate_p_frame_motion(), ff_init_qscale_tab(), get_b_cbp(), get_p_cbp(), get_penalty_factor(), svq1_encode_plane(), and update_qscale().

#define FF_QP2LAMBDA   118

factor to convert from H.263 QP to lambda

Definition at line 91 of file avutil.h.

Referenced by a64multi_init_encoder(), decode_frame(), dnxhd_encode_picture(), do_video_stats(), encode_frame(), encode_init(), estimate_best_b_count(), Faac_encode_init(), ff_mjpeg_decode_frame(), ff_rate_control_init(), ff_rate_estimate_qscale(), ff_xvid_rate_control_init(), ff_xvid_rate_estimate_qscale(), get_diff_limited_q(), init_pass2(), lame_window_init(), libdirac_encode_init(), libschroedinger_encode_init(), mjpegb_decode_frame(), MP3lame_encode_init(), new_audio_stream(), new_video_stream(), oggvorbis_init_encoder(), parse_ffconfig(), print_report(), qscale2qlog(), vorbis_encode_init(), X264_frame(), and XAVS_frame().

#define FF_QUALITY_SCALE   FF_LAMBDA_SCALE

Definition at line 94 of file avutil.h.

Referenced by encode_init().

#define LIBAVUTIL_BUILD   LIBAVUTIL_VERSION_INT

Definition at line 52 of file avutil.h.

#define LIBAVUTIL_IDENT   "Lavu" AV_STRINGIFY(LIBAVUTIL_VERSION)

Definition at line 54 of file avutil.h.

#define LIBAVUTIL_VERSION

Value:

AV_VERSION(LIBAVUTIL_VERSION_MAJOR,     \
                                           LIBAVUTIL_VERSION_MINOR,     \
                                           LIBAVUTIL_VERSION_MICRO)

Definition at line 49 of file avutil.h.

#define LIBAVUTIL_VERSION_INT

Value:

AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
                                               LIBAVUTIL_VERSION_MINOR, \
                                               LIBAVUTIL_VERSION_MICRO)

Definition at line 46 of file avutil.h.

Referenced by avutil_version().

#define LIBAVUTIL_VERSION_MAJOR   50

Definition at line 42 of file avutil.h.

#define LIBAVUTIL_VERSION_MICRO   0

Definition at line 44 of file avutil.h.

#define LIBAVUTIL_VERSION_MINOR   36

Definition at line 43 of file avutil.h.

---

Enumeration Type Documentation

enum AVMediaType

Enumerator:

AVMEDIA_TYPE_UNKNOWN
AVMEDIA_TYPE_VIDEO
AVMEDIA_TYPE_AUDIO
AVMEDIA_TYPE_DATA
AVMEDIA_TYPE_SUBTITLE
AVMEDIA_TYPE_ATTACHMENT
AVMEDIA_TYPE_NB

Definition at line 79 of file avutil.h.

---

Function Documentation

const char* avutil_configuration

(

void

)

Return the libavutil build-time configuration.

Definition at line 32 of file utils.c.

const char* avutil_license

(

void

)

Return the libavutil license.

Definition at line 37 of file utils.c.

unsigned avutil_version

(

void

)

Return the LIBAVUTIL_VERSION_INT constant.

Definition at line 27 of file utils.c.