#include "avcodec.h"
#include "idctdsp.h"
#include "fdctdsp.h"
#include "pixblockdsp.h"
#include "avdct.h"

Macros
#define	OFFSET(x) offsetof(AVDCT,x)

#define	DEFAULT 0

#define	V AV_OPT_FLAG_VIDEO_PARAM

#define	A AV_OPT_FLAG_AUDIO_PARAM

#define	E AV_OPT_FLAG_ENCODING_PARAM

#define	D AV_OPT_FLAG_DECODING_PARAM

#define	COPY(src, name) memcpy(&dsp->name, &src.name, sizeof(dsp->name))

Functions
const AVClass *	avcodec_dct_get_class (void)

AVDCT *	avcodec_dct_alloc (void)
	Allocates a AVDCT context. More...

int	avcodec_dct_init (AVDCT *dsp)

Variables
static const AVOption	avdct_options []

static const AVClass	avdct_class

Macro Definition Documentation

◆ OFFSET

#define OFFSET ( x ) offsetof(AVDCT,x)

Definition at line 27 of file avdct.c.

◆ DEFAULT

#define DEFAULT 0

Definition at line 28 of file avdct.c.

◆ V

#define V AV_OPT_FLAG_VIDEO_PARAM

Definition at line 30 of file avdct.c.

◆ A

#define A AV_OPT_FLAG_AUDIO_PARAM

Definition at line 31 of file avdct.c.

◆ E

#define E AV_OPT_FLAG_ENCODING_PARAM

Definition at line 32 of file avdct.c.

◆ D

#define D AV_OPT_FLAG_DECODING_PARAM

Definition at line 33 of file avdct.c.

◆ COPY

#define COPY	(	src,
		name
	)	memcpy(&dsp->name, &src.name, sizeof(dsp->name))

Function Documentation

◆ avcodec_dct_get_class()

const AVClass* avcodec_dct_get_class ( void )

Definition at line 70 of file avdct.c.

Referenced by child_class_next().

◆ avcodec_dct_alloc()

AVDCT* avcodec_dct_alloc ( void )

Allocates a AVDCT context.

This needs to be initialized with avcodec_dct_init() after optionally configuring it with AVOptions.

To free it use av_free()

Definition at line 75 of file avdct.c.

Referenced by init_dict().

◆ avcodec_dct_init()

int avcodec_dct_init ( AVDCT * dsp )

Definition at line 88 of file avdct.c.

Referenced by config_input().

Variable Documentation

◆ avdct_options

const AVOption avdct_options[]

static

Initial value:

= {
{"dct", "DCT algorithm", OFFSET(dct_algo), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, 0, INT_MAX, V|E, "dct"},
{"auto", "autoselect a good one", 0, AV_OPT_TYPE_CONST, {.i64 = FF_DCT_AUTO }, INT_MIN, INT_MAX, V|E, "dct"},
{"fastint", "fast integer (experimental / for debugging)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_DCT_FASTINT }, INT_MIN, INT_MAX, V|E, "dct"},
{"int", "accurate integer", 0, AV_OPT_TYPE_CONST, {.i64 = FF_DCT_INT }, INT_MIN, INT_MAX, V|E, "dct"},
{"mmx", "experimental / for debugging", 0, AV_OPT_TYPE_CONST, {.i64 = FF_DCT_MMX }, INT_MIN, INT_MAX, V|E, "dct"},
{"altivec", "experimental / for debugging", 0, AV_OPT_TYPE_CONST, {.i64 = FF_DCT_ALTIVEC }, INT_MIN, INT_MAX, V|E, "dct"},
{"faan", "floating point AAN DCT (experimental / for debugging)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_DCT_FAAN }, INT_MIN, INT_MAX, V|E, "dct"},
 
{"idct", "select IDCT implementation", OFFSET(idct_algo), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, 0, INT_MAX, V|E|D, "idct"},
{"auto", "autoselect a good one", 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_AUTO }, INT_MIN, INT_MAX, V|E|D, "idct"},
{"int", "experimental / for debugging", 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_INT }, INT_MIN, INT_MAX, V|E|D, "idct"},
{"simple", "experimental / for debugging", 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_SIMPLE }, INT_MIN, INT_MAX, V|E|D, "idct"},
{"simplemmx", "experimental / for debugging", 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_SIMPLEMMX }, INT_MIN, INT_MAX, V|E|D, "idct"},
{"arm", "experimental / for debugging", 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_ARM }, INT_MIN, INT_MAX, V|E|D, "idct"},
{"altivec", "experimental / for debugging", 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_ALTIVEC }, INT_MIN, INT_MAX, V|E|D, "idct"},
{"simplearm", "experimental / for debugging", 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_SIMPLEARM }, INT_MIN, INT_MAX, V|E|D, "idct"},
{"simplearmv5te", "experimental / for debugging", 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_SIMPLEARMV5TE }, INT_MIN, INT_MAX, V|E|D, "idct"},
{"simplearmv6", "experimental / for debugging", 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_SIMPLEARMV6 }, INT_MIN, INT_MAX, V|E|D, "idct"},
{"simpleneon", "experimental / for debugging", 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_SIMPLENEON }, INT_MIN, INT_MAX, V|E|D, "idct"},
{"xvid", "experimental / for debugging", 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_XVID }, INT_MIN, INT_MAX, V|E|D, "idct"},
{"xvidmmx", "experimental / for debugging", 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_XVID }, INT_MIN, INT_MAX, V|E|D, "idct"},
{"faani", "floating point AAN IDCT (experimental / for debugging)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_FAAN }, INT_MIN, INT_MAX, V|D|E, "idct"},
{"simpleauto", "experimental / for debugging", 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_SIMPLEAUTO }, INT_MIN, INT_MAX, V|E|D, "idct"},
 
{"bits_per_sample", "", OFFSET(bits_per_sample), AV_OPT_TYPE_INT, {.i64 = 8 }, 0, 14, 0,},
{NULL},
}

Definition at line 35 of file avdct.c.

◆ avdct_class

const AVClass avdct_class